Parcel.cpp revision 70f3665f8272b2f6d05e77ff0c17683b4b7f82b7
17c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project/* 27c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * Copyright (C) 2005 The Android Open Source Project 37c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * 47c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 57c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * you may not use this file except in compliance with the License. 67c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * You may obtain a copy of the License at 77c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * 87c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 97c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * 107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * See the License for the specific language governing permissions and 147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * limitations under the License. 157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project */ 167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_TAG "Parcel" 187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project//#define LOG_NDEBUG 0 197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <errno.h> 2170f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn#include <fcntl.h> 22abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <inttypes.h> 2370f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn#include <pthread.h> 24abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <stdint.h> 25abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <stdio.h> 26abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <stdlib.h> 27abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <sys/mman.h> 28eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn#include <sys/stat.h> 29eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn#include <sys/types.h> 30eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn#include <unistd.h> 317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 32c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Binder.h> 33c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/BpBinder.h> 34abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <binder/IPCThreadState.h> 35abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <binder/Parcel.h> 36c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/ProcessState.h> 3709eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley#include <binder/Status.h> 38002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <binder/TextOutput.h> 39002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian 40abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <cutils/ashmem.h> 41002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <utils/Debug.h> 42abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <utils/Flattenable.h> 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 44abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <utils/misc.h> 457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 48208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 497e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#include <private/binder/Static.h> 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 56e93390b0bd336cd1b69abebf6eeffd18881f531bMark Salyzyn//#define LOG_REFS(...) ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__) 577e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#define LOG_ALLOC(...) 58e93390b0bd336cd1b69abebf6eeffd18881f531bMark Salyzyn//#define LOG_ALLOC(...) ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__) 597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 62b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// This macro should never be used at runtime, as a too large value 63b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// of s could cause an integer overflow. Instead, you should always 64b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// use the wrapper function pad_size() 65b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich#define PAD_SIZE_UNSAFE(s) (((s)+3)&~3) 66b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 67b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevichstatic size_t pad_size(size_t s) { 68b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (s > (SIZE_T_MAX - 3)) { 69b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 70b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 71b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return PAD_SIZE_UNSAFE(s); 72b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich} 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 74a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER 750c1f5cbb8a41d19195ab49dcfeb5caaea2d3fcdaJeff Sharkey#define STRICT_MODE_PENALTY_GATHER (0x40 << 16) 76a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 87a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic pthread_mutex_t gParcelGlobalAllocSizeLock = PTHREAD_MUTEX_INITIALIZER; 88a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocSize = 0; 89a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocCount = 0; 90a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn 9113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown// Maximum size of a blob to transfer in-place. 9213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatic const size_t BLOB_INPLACE_LIMIT = 16 * 1024; 9313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 9413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownenum { 9513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_INPLACE = 0, 9613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_IMMUTABLE = 1, 9713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_MUTABLE = 2, 9813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown}; 9913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 10070f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzynstatic dev_t ashmem_rdev() 10170f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn{ 10270f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn static dev_t __ashmem_rdev; 10370f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn static pthread_mutex_t __ashmem_rdev_lock = PTHREAD_MUTEX_INITIALIZER; 10470f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn 10570f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn pthread_mutex_lock(&__ashmem_rdev_lock); 10670f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn 10770f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn dev_t rdev = __ashmem_rdev; 10870f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn if (!rdev) { 10970f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn int fd = TEMP_FAILURE_RETRY(open("/dev/ashmem", O_RDONLY)); 11070f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn if (fd >= 0) { 11170f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn struct stat st; 11270f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn 11370f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn int ret = TEMP_FAILURE_RETRY(fstat(fd, &st)); 11470f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn close(fd); 11570f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn if ((ret >= 0) && S_ISCHR(st.st_mode)) { 11670f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn rdev = __ashmem_rdev = st.st_rdev; 11770f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn } 11870f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn } 11970f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn } 12070f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn 12170f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn pthread_mutex_unlock(&__ashmem_rdev_lock); 12270f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn 12370f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn return rdev; 12470f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn} 12570f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn 1267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 127cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos const flat_binder_object& obj, const void* who, size_t* outAshmemSize) 1287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 13384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->incStrong(who); 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 13884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 1447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 1457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 154eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn if ((obj.cookie != 0) && (outAshmemSize != NULL)) { 155eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn struct stat st; 156eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn int ret = fstat(obj.handle, &st); 15770f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn if (!ret && S_ISCHR(st.st_mode) && (st.st_rdev == ashmem_rdev())) { 1586bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // If we own an ashmem fd, keep track of how much memory it refers to. 1596bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos int size = ashmem_get_size_region(obj.handle); 1606bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (size > 0) { 1616bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos *outAshmemSize += size; 1626bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 163cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 164cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1696f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGD("Invalid object type 0x%08x", obj.type); 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1726bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosvoid acquire_object(const sp<ProcessState>& proc, 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1756bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos acquire_object(proc, obj, who, NULL); 1766bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos} 1776bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos 1786bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosstatic void release_object(const sp<ProcessState>& proc, 179cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos const flat_binder_object& obj, const void* who, size_t* outAshmemSize) 1807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 18584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->decStrong(who); 1867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 19084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 2017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 2037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 206b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn if (obj.cookie != 0) { // owned 207b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn if (outAshmemSize != NULL) { 208eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn struct stat st; 209eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn int ret = fstat(obj.handle, &st); 21070f3665f8272b2f6d05e77ff0c17683b4b7f82b7Mark Salyzyn if (!ret && S_ISCHR(st.st_mode) && (st.st_rdev == ashmem_rdev())) { 211eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn int size = ashmem_get_size_region(obj.handle); 212eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn if (size > 0) { 213eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn *outAshmemSize -= size; 214eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn } 2156bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 2166bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 217b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn 218b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn close(obj.handle); 219cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 2207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2246f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("Invalid object type 0x%08x", obj.type); 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2276bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosvoid release_object(const sp<ProcessState>& proc, 2286bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos const flat_binder_object& obj, const void* who) 2296bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos{ 2306bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos release_object(proc, obj, who, NULL); 2316bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos} 2326bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 2346f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const sp<IBinder>& /*binder*/, const flat_binder_object& flat, Parcel* out) 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 2377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2396f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 243d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 2477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 250e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 25407fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 25684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 25984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(local->getWeakRefs()); 26084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(local); 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 26484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 26584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 267d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2716f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 275d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 284e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 28807fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 29084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 29384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(binder.get_refs()); 29484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(binder.unsafe_get()); 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 298d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 306e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Unable to unflatten Binder weak reference!"); 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 30884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 30984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 311d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 31484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 31584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 3216f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross BpBinder* /*proxy*/, const flat_binder_object& /*flat*/, 3226f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const Parcel& /*in*/) 3237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 326d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 331d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 33584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 341d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn } 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 350d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 3517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 3527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 3537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 35484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 3557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 35784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (flat->binder != 0) { 3587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 35984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(flat->cookie), 36084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(flat->binder)); 3617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 3627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 3637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 3677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3797e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: constructing", this); 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 3867e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: destroyed", this); 3877e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3887e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3897e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocSize() { 390a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 391a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t size = gParcelGlobalAllocSize; 392a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 393a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return size; 3947e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3957e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3967e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocCount() { 397a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 398a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t count = gParcelGlobalAllocCount; 399a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 400a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return count; 4017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 4047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 4097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 4147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 4177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 4187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 4197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 4207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 4217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 4227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 4307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 4327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 4357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 436b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 437b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 438b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 439b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 440b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 441b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 4437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 4447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 446d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataSize Setting data size of %p to %zu", this, mDataSize); 4477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 4527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 453b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (pos > INT32_MAX) { 454b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 455b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 456b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 457b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 458b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 4607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 4617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 4647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 465b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 466b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 467b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 468b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 469b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 470b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 47197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 4727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 4767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 477b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 478b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 479b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 480b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 481b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 482b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 4847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 4867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 4877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 4887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 49251faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 4937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 4957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 49651faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 49784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t *objects = parcel->mObjects; 4987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 4997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 5007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 5017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 5037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 506b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 507b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 508b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 509b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 510b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 511b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 5137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 5147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 5157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 5167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 5177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 52227182be9f20f4f5b48316666429f09b9ecc1f22eChristopher Tate if ((off >= offset) && (off + sizeof(flat_binder_object) <= offset + len)) { 5237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 5257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 53197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 53297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 53397e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 53497e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 53597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 53697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 5377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 5407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 5417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 5427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 5437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5448938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 5458938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 5467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 549ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate size_t newSize = ((mObjectsSize + numObjects)*3)/2; 550ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 55184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t *objects = 55284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 55384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (objects == (binder_size_t*)0) { 5547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 5557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 5577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 5587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 559d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 5607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 5617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 5627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 5637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 5647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 5657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 5667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5678af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 5687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 569cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(proc, *flat, this, &mOpenAshmemSize); 5707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 5728af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 5738af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 5748af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 5758af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 57684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg flat->cookie = 1; 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 5788938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 5798938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 5808938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 5817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5858938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 5868938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 5878938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 58813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownbool Parcel::allowFds() const 58913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 59013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return mAllowFds; 59113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 59213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 5937746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornbool Parcel::pushAllowFds(bool allowFds) 5948938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 5958938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 5967746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn if (!allowFds) { 5977746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = false; 5987746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn } 5998938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 6007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6027746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornvoid Parcel::restoreAllowFds(bool lastValue) 6037746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn{ 6047746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = lastValue; 6057746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn} 6067746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn 6077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 6087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 6107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 615702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 6167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 6177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 618a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 619a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 6207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 6217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 6227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 62483c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 62583c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 626702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 62783c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 62883c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 629a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 63070081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 63270081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 63370081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 63470081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 635a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 6365273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 6375273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 6385273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 6395273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 6405273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 6415273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 6425273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 6435273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 6445273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 6455273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 64683c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 6477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 6487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 6497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 650d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGW("**** enforceInterface() expected '%s' but read '%s'", 6517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 6527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 6537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 654702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 6557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 65684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågconst binder_size_t* Parcel::objects() const 6577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 6597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 6627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 6647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 6677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 6697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 6727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 6747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 6777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 678b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 679b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 680b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 681b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 682b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 683b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 6857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 686d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data pos of %p to %zu", this, mDataPos); 6877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 6887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 689d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data size of %p to %zu", this, mDataSize); 6907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 6927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 6967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 697b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 698b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 699b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 700b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 701b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 702b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 7037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 7047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 7057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 7067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 7077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 7107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 7117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 7127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 7137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 7187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 7217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 722b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 723b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 724b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 725b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 726b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 727b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 7287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 7297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 7307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 7317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 7327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 7347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 7377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 738b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 739b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 740b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 741b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 742b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 743b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 744b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich const size_t padded = pad_size(len); 7457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 7477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 7487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 7527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 7537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 7547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 7557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 7577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 7587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 7597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 7617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 7647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 7667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 7697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 7707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 7717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 7747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 7757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 7787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 7797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7829a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wileystatus_t Parcel::writeUtf8AsUtf16(const std::string& str) { 7839a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley const uint8_t* strData = (uint8_t*)str.data(); 7849a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley const size_t strLen= str.length(); 7859a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley const ssize_t utf16Len = utf8_to_utf16_length(strData, strLen); 7869a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley if (utf16Len < 0 || utf16Len> std::numeric_limits<int32_t>::max()) { 7879a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return BAD_VALUE; 7889a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley } 7899a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 7909a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley status_t err = writeInt32(utf16Len); 7919a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley if (err) { 7929a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return err; 7939a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley } 7949a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 7959a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley // Allocate enough bytes to hold our converted string and its terminating NULL. 7969a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley void* dst = writeInplace((utf16Len + 1) * sizeof(char16_t)); 7979a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley if (!dst) { 7989a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return NO_MEMORY; 7999a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley } 8009a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 8019a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley utf8_to_utf16(strData, strLen, (char16_t*)dst); 8029a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 8039a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return NO_ERROR; 8049a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley} 8059a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 8069a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wileystatus_t Parcel::writeUtf8AsUtf16(const std::unique_ptr<std::string>& str) { 8079a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley if (!str) { 8089a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return writeInt32(-1); 8099a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley } 8109a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return writeUtf8AsUtf16(*str); 8119a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley} 8129a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 813b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeByteVector(const std::unique_ptr<std::vector<int8_t>>& val) 814b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 815b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!val) { 816b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(-1); 817b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 818b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 819b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeByteVector(*val); 820b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 821b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8225f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeByteVector(const std::vector<int8_t>& val) 823451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 8245f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status_t status; 825451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (val.size() > std::numeric_limits<int32_t>::max()) { 8265f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = BAD_VALUE; 8275f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 828451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 829451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 8305f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = writeInt32(val.size()); 831451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 832451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 833451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 834451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 8355f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin void* data = writeInplace(val.size()); 8365f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin if (!data) { 8375f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = BAD_VALUE; 8385f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 839451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 840451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 8415f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin memcpy(data, val.data(), val.size()); 8425f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 843451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 844451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 8455f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeInt32Vector(const std::vector<int32_t>& val) 846451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 84703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeInt32); 8485f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 849451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 850b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeInt32Vector(const std::unique_ptr<std::vector<int32_t>>& val) 851b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 852b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeInt32); 853b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 854b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8555f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeInt64Vector(const std::vector<int64_t>& val) 8565f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 85703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeInt64); 8585f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 859451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 860b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeInt64Vector(const std::unique_ptr<std::vector<int64_t>>& val) 861b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 862b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeInt64); 863b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 864b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8655f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeFloatVector(const std::vector<float>& val) 8665f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 86703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeFloat); 8685f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 869451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 870b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeFloatVector(const std::unique_ptr<std::vector<float>>& val) 871b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 872b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeFloat); 873b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 874b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8755f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeDoubleVector(const std::vector<double>& val) 8765f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 87703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeDouble); 878451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 879451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 880b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeDoubleVector(const std::unique_ptr<std::vector<double>>& val) 881b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 882b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeDouble); 883b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 884b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 885451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeBoolVector(const std::vector<bool>& val) 886451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 88703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeBool); 888451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 889451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 890b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeBoolVector(const std::unique_ptr<std::vector<bool>>& val) 891b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 892b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeBool); 893b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 894b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 895451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeCharVector(const std::vector<char16_t>& val) 896451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 89703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeChar); 898451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 899451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 900b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeCharVector(const std::unique_ptr<std::vector<char16_t>>& val) 901b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 902b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeChar); 903b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 904b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 905451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeString16Vector(const std::vector<String16>& val) 906451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 90703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeString16); 908451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 909451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 910b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeString16Vector( 911b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const std::unique_ptr<std::vector<std::unique_ptr<String16>>>& val) 912b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 913b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeString16); 914b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 915b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 9169a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wileystatus_t Parcel::writeUtf8VectorAsUtf16Vector( 9179a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley const std::unique_ptr<std::vector<std::unique_ptr<std::string>>>& val) { 9189a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return writeNullableTypedVector(val, &Parcel::writeUtf8AsUtf16); 9199a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley} 9209a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 9219a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wileystatus_t Parcel::writeUtf8VectorAsUtf16Vector(const std::vector<std::string>& val) { 9229a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return writeTypedVector(val, &Parcel::writeUtf8AsUtf16); 9239a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley} 9249a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 9257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 9267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 92784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 9287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 92941a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 93041a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::writeUint32(uint32_t val) 93141a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 93241a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return writeAligned(val); 93341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 93441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 9355c0106e134366312206702f1b072347e20c90374Marco Nelissenstatus_t Parcel::writeInt32Array(size_t len, const int32_t *val) { 936b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 937b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 938b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 939b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 940b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 941b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 9425c0106e134366312206702f1b072347e20c90374Marco Nelissen if (!val) { 943e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 9445c0106e134366312206702f1b072347e20c90374Marco Nelissen } 945e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 9465c0106e134366312206702f1b072347e20c90374Marco Nelissen if (ret == NO_ERROR) { 9475c0106e134366312206702f1b072347e20c90374Marco Nelissen ret = write(val, len * sizeof(*val)); 9485c0106e134366312206702f1b072347e20c90374Marco Nelissen } 9495c0106e134366312206702f1b072347e20c90374Marco Nelissen return ret; 9505c0106e134366312206702f1b072347e20c90374Marco Nelissen} 951f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissenstatus_t Parcel::writeByteArray(size_t len, const uint8_t *val) { 952b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 953b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 954b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 955b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 956b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 957b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 958f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (!val) { 959e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 960f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 961e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 962f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (ret == NO_ERROR) { 963f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen ret = write(val, len * sizeof(*val)); 964f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 965f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen return ret; 966f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen} 9677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 968d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeBool(bool val) 969d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 970d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 971d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 972d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 973d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeChar(char16_t val) 974d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 975d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 976d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 977d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 978d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeByte(int8_t val) 979d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 980d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 981d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 982d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 9837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 9847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 98584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 9867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9882d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::writeUint64(uint64_t val) 9892d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 9902d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return writeAligned(val); 9912d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 9922d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 993f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::writePointer(uintptr_t val) 994f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 99584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return writeAligned<binder_uintptr_t>(val); 996f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 997f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 9987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 9997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 100084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 10017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1003cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 1004cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1005cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::writeDouble(double val) 1006cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1007cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1008cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1009cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1010cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1011cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.d = val; 1012cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return writeAligned(u.ll); 1013cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 1014cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1015cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 1016cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 10177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 10187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 101984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 102084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 10217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1022cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 1023cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 10247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 10257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 10277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 10307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 1032d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 1033d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 1034d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 1035d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 10367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 10377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 10397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1041b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeString16(const std::unique_ptr<String16>& str) 1042b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 1043b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!str) { 1044b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(-1); 1045b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1046b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1047b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeString16(*str); 1048b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1049b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 10507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 10517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 10537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 10567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 1058d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 10597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 10607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 10617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 10627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 10637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 10647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 10657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 10667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 10677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 10697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 10717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 10747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 10767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1078eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlinstatus_t Parcel::writeStrongBinderVector(const std::vector<sp<IBinder>>& val) 1079eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin{ 108003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeStrongBinder); 1081eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin} 1082eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 1083b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeStrongBinderVector(const std::unique_ptr<std::vector<sp<IBinder>>>& val) 1084b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 1085b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeStrongBinder); 1086b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1087b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1088b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readStrongBinderVector(std::unique_ptr<std::vector<sp<IBinder>>>* val) const { 1089b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readStrongBinder); 1090b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1091b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1092eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlinstatus_t Parcel::readStrongBinderVector(std::vector<sp<IBinder>>* val) const { 109303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readStrongBinder); 1094eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin} 1095eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 10967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 10977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 10997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1101b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeRawNullableParcelable(const Parcelable* parcelable) { 1102b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!parcelable) { 1103b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(0); 1104b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1105b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1106b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeParcelable(*parcelable); 1107b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1108b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 110997f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wileystatus_t Parcel::writeParcelable(const Parcelable& parcelable) { 111097f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley status_t status = writeInt32(1); // parcelable is not null. 111197f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (status != OK) { 111297f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return status; 111397f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 111497f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return parcelable.writeToParcel(this); 111597f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley} 111697f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley 1117a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 11185f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 11191d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 11205f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 11215f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 11225f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 1123a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 11245f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 1125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1126a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 11275f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 1128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1129a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 1130a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 1131edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 11339d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("write native handle, write dup fd failed"); 1134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 1135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1136a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 11375f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 11385f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 11395f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 114093ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brownstatus_t Parcel::writeFileDescriptor(int fd, bool takeOwnership) 11417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 11437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 11447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 114507fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 11467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 114784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = takeOwnership ? 1 : 0; 11487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 11497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 11527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1153d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown int dupFd = dup(fd); 1154d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (dupFd < 0) { 1155d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return -errno; 1156d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 1157d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown status_t err = writeFileDescriptor(dupFd, true /*takeOwnership*/); 115806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (err != OK) { 1159d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown close(dupFd); 1160d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 1161d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return err; 11627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 116406673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptor(const ScopedFd& fd) { 116506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return writeDupFileDescriptor(fd.get()); 116606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 116706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 116806673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptorVector(const std::vector<ScopedFd>& val) { 116906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return writeTypedVector(val, &Parcel::writeUniqueFileDescriptor); 117006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 117106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 1172b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptorVector(const std::unique_ptr<std::vector<ScopedFd>>& val) { 1173b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeUniqueFileDescriptor); 1174b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1175b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 117613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeBlob(size_t len, bool mutableCopy, WritableBlob* outBlob) 11775707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 1178b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1179b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1180b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1181b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1182b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1183b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 118413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status; 118513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds || len <= BLOB_INPLACE_LIMIT) { 11866807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write in place"); 118713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(BLOB_INPLACE); 11885707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 11895707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11905707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = writeInplace(len); 11915707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 11925707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 119313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, ptr, len, false); 11945707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11955707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11965707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11976807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write to ashmem"); 11985707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = ashmem_create_region("Parcel Blob", len); 11995707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd < 0) return NO_MEMORY; 12005707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 12015707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE); 12025707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 1203ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 12045707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 12055707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); 12065707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (ptr == MAP_FAILED) { 12075707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = -errno; 12085707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 120913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mutableCopy) { 121013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown result = ashmem_set_prot_region(fd, PROT_READ); 121113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown } 12125707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 1213ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 12145707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 121513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(mutableCopy ? BLOB_ASHMEM_MUTABLE : BLOB_ASHMEM_IMMUTABLE); 12165707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 121793ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status = writeFileDescriptor(fd, true /*takeOwnership*/); 12185707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 121913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, mutableCopy); 12205707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 12215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 12225707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 12235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 12245707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 12255707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(ptr, len); 12265707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 12275707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::close(fd); 12285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return status; 12295707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 12305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 123113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeDupImmutableBlobFileDescriptor(int fd) 123213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 123313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // Must match up with what's done in writeBlob. 123413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds) return FDS_NOT_ALLOWED; 123513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = writeInt32(BLOB_ASHMEM_IMMUTABLE); 123613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (status) return status; 123713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return writeDupFileDescriptor(fd); 123813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 123913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 1240e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::write(const FlattenableHelperInterface& val) 124198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 124298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 124398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 124498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 1245e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t len = val.getFlattenedSize(); 1246e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t fd_count = val.getFdCount(); 124798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1248b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((len > INT32_MAX) || (fd_count > INT32_MAX)) { 1249b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1250b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1251b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1252b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1253b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 125498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 125598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 125698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 125798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 125898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 125998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 126098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1261b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void* const buf = this->writeInplace(pad_size(len)); 126298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 126398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 126498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 126598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 126698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 126798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 126898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 126998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 127098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 127198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 127298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 127398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 127498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 127598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 127698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 127798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 127898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 127998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 128098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 128198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 12827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 12837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 12857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 12867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 12877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 12887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 1289d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 12907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 12917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 12928938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 129398e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // fail before modifying our object index 12948938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 12958938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 12967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 12977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 129998e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // Need to write meta-data? 130098e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate if (nullMetaData || val.binder != 0) { 130198e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjects[mObjectsSize] = mDataPos; 1302cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(ProcessState::self(), val, this, &mOpenAshmemSize); 130398e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjectsSize++; 130498e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate } 130598e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 13107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 13117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 13127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 13147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 1315ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 131684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 13177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 13187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 13197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 13207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1321d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 13227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 13237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1325837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 1326837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 132709eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley binder::Status status; 132809eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley return status.writeToParcel(this); 1329837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 1330837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 13316f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::remove(size_t /*start*/, size_t /*amt*/) 13327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 13347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 13377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1338b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1339b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1340b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1341b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1342b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1343b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1344b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1345b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 13467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 1347b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1348d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("read Setting data pos of %p to %zu", this, mDataPos); 13497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 13507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 13527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 13557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1356b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1357b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1358b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1359b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 1360b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1361b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1362b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1363b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 13647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 1365b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1366d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readInplace Setting data pos of %p to %zu", this, mDataPos); 13677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 13687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 13707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 137284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 137384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 1374b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 137584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 137684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 13777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 137884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 137984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 13807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 13817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 13837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 138684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 138784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 138884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 138984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 139084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 139184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 139284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 139384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 139484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 139584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 139684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 139784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 1398b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 139984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 140084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 140184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 140284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 140384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 140484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 140584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 140684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 140784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 140884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 140984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 141084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1411451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readByteVector(std::vector<int8_t>* val) const { 1412451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->clear(); 1413451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1414451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin int32_t size; 1415451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t status = readInt32(&size); 1416451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1417451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1418451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1419451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1420451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 14214db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley if (size < 0) { 14224db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley status = UNEXPECTED_NULL; 14234db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return status; 14244db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley } 14254db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley if (size_t(size) > dataAvail()) { 1426f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley status = BAD_VALUE; 1427f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1428451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 14294db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley 1430f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley const void* data = readInplace(size); 1431f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley if (!data) { 1432f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley status = BAD_VALUE; 1433f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1434451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1435f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley val->resize(size); 1436f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley memcpy(val->data(), data, size); 1437451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1438f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1439451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1440451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1441b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readByteVector(std::unique_ptr<std::vector<int8_t>>* val) const { 1442b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1443b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1444b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1445b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1446b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1447b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1448b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1449b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1450b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1451b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1452b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(new std::vector<int8_t>()); 1453b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1454b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readByteVector(val->get()); 1455b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1456b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1457b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1458b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1459b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1460b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1461b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1462b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1463b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readInt32Vector(std::unique_ptr<std::vector<int32_t>>* val) const { 1464b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readInt32); 1465b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1466b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1467451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readInt32Vector(std::vector<int32_t>* val) const { 146803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readInt32); 1469451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1470451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1471b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readInt64Vector(std::unique_ptr<std::vector<int64_t>>* val) const { 1472b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readInt64); 1473b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1474b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1475451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readInt64Vector(std::vector<int64_t>* val) const { 147603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readInt64); 1477451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1478451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1479b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readFloatVector(std::unique_ptr<std::vector<float>>* val) const { 1480b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readFloat); 1481b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1482b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1483451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readFloatVector(std::vector<float>* val) const { 148403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readFloat); 1485451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1486451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1487b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readDoubleVector(std::unique_ptr<std::vector<double>>* val) const { 1488b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readDouble); 1489b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1490b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1491451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readDoubleVector(std::vector<double>* val) const { 149203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readDouble); 1493451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1494451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1495b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readBoolVector(std::unique_ptr<std::vector<bool>>* val) const { 1496b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1497b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1498b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1499b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1500b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1501b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1502b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1503b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1504b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1505b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1506b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(new std::vector<bool>()); 1507b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1508b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readBoolVector(val->get()); 1509b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1510b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1511b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1512b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1513b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1514b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1515b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1516451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1517b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readBoolVector(std::vector<bool>* val) const { 1518451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin int32_t size; 1519451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t status = readInt32(&size); 1520451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1521451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1522451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1523451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1524451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1525451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (size < 0) { 15264db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return UNEXPECTED_NULL; 1527451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1528451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1529451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->resize(size); 1530451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1531451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin /* C++ bool handling means a vector of bools isn't necessarily addressable 1532451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin * (we might use individual bits) 1533451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin */ 153497887989495318803643c91b196b6bcabf2a7a03Christopher Wiley bool data; 153597887989495318803643c91b196b6bcabf2a7a03Christopher Wiley for (int32_t i = 0; i < size; ++i) { 1536451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status = readBool(&data); 1537451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin (*val)[i] = data; 1538451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1539451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1540451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1541451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1542451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1543451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1544451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return OK; 1545451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1546451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1547b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readCharVector(std::unique_ptr<std::vector<char16_t>>* val) const { 1548b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readChar); 1549b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1550b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1551451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readCharVector(std::vector<char16_t>* val) const { 155203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readChar); 1553451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1554451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1555b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readString16Vector( 1556b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin std::unique_ptr<std::vector<std::unique_ptr<String16>>>* val) const { 1557b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readString16); 1558b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1559b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1560451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readString16Vector(std::vector<String16>* val) const { 156103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readString16); 1562451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1563451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 15649a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wileystatus_t Parcel::readUtf8VectorFromUtf16Vector( 15659a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley std::unique_ptr<std::vector<std::unique_ptr<std::string>>>* val) const { 15669a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return readNullableTypedVector(val, &Parcel::readUtf8FromUtf16); 15679a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley} 15689a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 15699a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wileystatus_t Parcel::readUtf8VectorFromUtf16Vector(std::vector<std::string>* val) const { 15709a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return readTypedVector(val, &Parcel::readUtf8FromUtf16); 15719a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley} 1572451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 157384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 157484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 157584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 157684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 157784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 15787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 15797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 158084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 15817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 158341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::readUint32(uint32_t *pArg) const 158441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 158541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned(pArg); 158641a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 158741a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 158841a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozauint32_t Parcel::readUint32() const 158941a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 159041a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned<uint32_t>(); 159141a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 15927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 15947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 159584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 15967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 16007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 160184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 16027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16042d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::readUint64(uint64_t *pArg) const 16052d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 16062d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned(pArg); 16072d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 16082d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 16092d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wuuint64_t Parcel::readUint64() const 16102d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 16112d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned<uint64_t>(); 16122d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 16132d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 1614f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::readPointer(uintptr_t *pArg) const 1615f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 161684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg status_t ret; 161784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_uintptr_t ptr; 161884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg ret = readAligned(&ptr); 161984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!ret) 162084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *pArg = ptr; 162184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return ret; 1622f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1623f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1624f683e0163a84d93448b9388126902242367cd961Serban Constantinescuuintptr_t Parcel::readPointer() const 1625f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 162684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return readAligned<binder_uintptr_t>(); 1627f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1628f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1629f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 16307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 16317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 163284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 16337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 16377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 163884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 16397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1641cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 1642cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 16437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 16447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1645cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1646cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1647cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1648cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 16492c68d380c9ef765a7d46e5a4735f39e6c27849f2Narayan Kamath u.d = 0; 1650cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status_t status; 1651cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status = readAligned(&u.ll); 1652cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung *pArg = u.d; 1653cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return status; 16547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1656cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungdouble Parcel::readDouble() const 1657cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1658cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1659cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1660cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1661cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1662cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.ll = readAligned<unsigned long long>(); 1663cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return u.d; 1664cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 1665cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1666cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 1667cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1668cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::readDouble(double *pArg) const 1669cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1670cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return readAligned(pArg); 1671cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 16727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 16747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 167584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 167684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 167784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1678cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 1679cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 168084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 168184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 168284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 168384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 168484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 168584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 168684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 168784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 168884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 16897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1691d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readBool(bool *pArg) const 1692d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1693d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1694d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1695d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = (tmp != 0); 1696d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1697d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1698d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1699d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinbool Parcel::readBool() const 1700d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1701d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return readInt32() != 0; 1702d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1703d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1704d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readChar(char16_t *pArg) const 1705d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1706d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1707d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1708d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = char16_t(tmp); 1709d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1710d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1711d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1712d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinchar16_t Parcel::readChar() const 1713d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1714d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return char16_t(readInt32()); 1715d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1716d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1717d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readByte(int8_t *pArg) const 1718d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1719d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1720d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1721d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = int8_t(tmp); 1722d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1723d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1724d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1725d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinint8_t Parcel::readByte() const 1726d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1727d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return int8_t(readInt32()); 1728d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 17297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17309a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wileystatus_t Parcel::readUtf8FromUtf16(std::string* str) const { 17319a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley size_t utf16Size = 0; 17329a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley const char16_t* src = readString16Inplace(&utf16Size); 17339a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley if (!src) { 17349a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return UNEXPECTED_NULL; 17359a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley } 17369a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 17379a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley // Save ourselves the trouble, we're done. 17389a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley if (utf16Size == 0u) { 17399a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley str->clear(); 17409a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return NO_ERROR; 17419a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley } 17429a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 17439a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley ssize_t utf8Size = utf16_to_utf8_length(src, utf16Size); 17449a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley if (utf8Size < 0) { 17459a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return BAD_VALUE; 17469a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley } 17479a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley // Note that while it is probably safe to assume string::resize keeps a 17489a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley // spare byte around for the trailing null, we're going to be explicit. 17499a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley str->resize(utf8Size + 1); 17509a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley utf16_to_utf8(src, utf16Size, &((*str)[0])); 17519a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley str->resize(utf8Size); 17529a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return NO_ERROR; 17539a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley} 17549a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 17559a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wileystatus_t Parcel::readUtf8FromUtf16(std::unique_ptr<std::string>* str) const { 17569a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley const int32_t start = dataPosition(); 17579a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley int32_t size; 17589a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley status_t status = readInt32(&size); 17599a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley str->reset(); 17609a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 17619a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley if (status != OK || size < 0) { 17629a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return status; 17639a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley } 17649a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 17659a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley setDataPosition(start); 17669a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley str->reset(new std::string()); 17679a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley return readUtf8FromUtf16(str->get()); 17689a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley} 17699a5e32f141fdb43edc1bb31ceacec781b35281b3Christopher Wiley 17707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 17717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 17737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 17747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 17757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 17767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 17777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 17787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 1779b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len+1); 1780d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readCString Setting data pos of %p to %zu", this, mDataPos); 17817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 17827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 17857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 17887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 17907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 17917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 17927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 17937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 17947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 17967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 17997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 18017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 18027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 1803e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Reading a NULL string not supported here."); 18047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 18057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1807b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readString16(std::unique_ptr<String16>* pArg) const 1808b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 1809b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1810b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1811b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1812b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(); 1813b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1814b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1815b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1816b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1817b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1818b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1819b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(new String16()); 1820b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1821b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readString16(pArg->get()); 1822b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1823b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1824b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(); 1825b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1826b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1827b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1828b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1829b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1830451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readString16(String16* pArg) const 1831451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 1832451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin size_t len; 1833451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin const char16_t* str = readString16Inplace(&len); 1834451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (str) { 18351515ea103e00f6672afad4d27f2e0dec5648d7b6Casey Dahlin pArg->setTo(str, len); 1836451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return 0; 1837451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } else { 1838451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin *pArg = String16(); 18394db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return UNEXPECTED_NULL; 1840451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1841451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1842451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 18437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 18447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 18467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 18477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 18487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 18497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 18507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 18517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 18527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 18557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 18567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1858f0c13772d95486d98f034361883b2415bb26a614Casey Dahlinstatus_t Parcel::readStrongBinder(sp<IBinder>* val) const 1859f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin{ 1860f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin return unflatten_binder(ProcessState::self(), *this, val); 1861f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin} 1862f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 18637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 18647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 1866f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin readStrongBinder(&val); 18677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 18687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 18717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 18737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 18747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 18757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 187797f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wileystatus_t Parcel::readParcelable(Parcelable* parcelable) const { 187897f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley int32_t have_parcelable = 0; 187997f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley status_t status = readInt32(&have_parcelable); 188097f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (status != OK) { 188197f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return status; 188297f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 188397f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (!have_parcelable) { 188497f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return UNEXPECTED_NULL; 188597f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 188697f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return parcelable->readFromParcel(this); 188797f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley} 188897f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley 1889837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 1890837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 189109eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley binder::Status status; 189209eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley status.readFromParcel(*this); 189309eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley return status.exceptionCode(); 1894837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 18955f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1896a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 18975f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 18985f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 18995f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 19005f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 19015f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 19025f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 19035f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 19045f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1905a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 1906eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski if (!h) { 1907eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski return 0; 1908eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski } 1909eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski 19105f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1911360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 19125f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 19135f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 19145f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 19155f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1916a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1917a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 19185f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 19195f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 19205f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 19215f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 19225f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 19235f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 19247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 19257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 192706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 192806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (flat && flat->type == BINDER_TYPE_FD) { 192906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return flat->handle; 19307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 193106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 19327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 19337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 193506673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::readUniqueFileDescriptor(ScopedFd* val) const 193606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin{ 193706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin int got = readFileDescriptor(); 193806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 193906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (got == BAD_TYPE) { 194006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return BAD_TYPE; 194106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin } 194206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 194306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin val->reset(dup(got)); 194406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 194506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (val->get() < 0) { 194606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return BAD_VALUE; 194706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin } 194806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 194906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return OK; 195006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 195106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 195206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 1953b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readUniqueFileDescriptorVector(std::unique_ptr<std::vector<ScopedFd>>* val) const { 1954b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readUniqueFileDescriptor); 1955b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1956b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 195706673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::readUniqueFileDescriptorVector(std::vector<ScopedFd>* val) const { 195806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return readTypedVector(val, &Parcel::readUniqueFileDescriptor); 195906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 196006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 19615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const 19625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 196313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown int32_t blobType; 196413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = readInt32(&blobType); 19655707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 19665707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 196713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (blobType == BLOB_INPLACE) { 19686807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read in place"); 19695707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown const void* ptr = readInplace(len); 19705707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return BAD_VALUE; 19715707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 197213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, const_cast<void*>(ptr), len, false); 19735707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 19745707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 19755707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 19766807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read from ashmem"); 197713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown bool isMutable = (blobType == BLOB_ASHMEM_MUTABLE); 19785707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = readFileDescriptor(); 19795707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd == int(BAD_TYPE)) return BAD_VALUE; 19805707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 198113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown void* ptr = ::mmap(NULL, len, isMutable ? PROT_READ | PROT_WRITE : PROT_READ, 198213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown MAP_SHARED, fd, 0); 19839ea09757fa63ad2a9bea9c846b51c1210d69c79fNarayan Kamath if (ptr == MAP_FAILED) return NO_MEMORY; 19845707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 198513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, isMutable); 19865707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 19875707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 19885707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1989e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::read(FlattenableHelperInterface& val) const 199098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 199198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 199298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 199398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 199498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1995b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1996b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1997b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1998b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1999b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2000b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 200198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 2002b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void const* const buf = this->readInplace(pad_size(len)); 200398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 200498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 200598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 200698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 200798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 200898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 200998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 201098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 201198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 201298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 2013fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall fds[i] = dup(this->readFileDescriptor()); 2014abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang if (fds[i] < 0) { 2015abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang err = BAD_VALUE; 2016fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall ALOGE("dup() failed in Parcel::read, i is %zu, fds[i] is %d, fd_count is %zu, error: %s", 2017fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall i, fds[i], fd_count, strerror(errno)); 2018abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang } 201998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 202098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 202198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 202298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 202398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 202498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 202598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 202698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 202798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 202898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 202998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 203098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 20317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 20327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 20347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 20357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 20367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 20377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 203884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!nullMetaData && (obj->cookie == 0 && obj->binder == 0)) { 20395f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 20407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 20417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 2042d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 20437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 20447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2045d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 204784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const OBJS = mObjects; 20487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 20497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 2050d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 2052d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p looking for obj at %zu, hint=%zu", 20537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 2054d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 20567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 20577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 20587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 20597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 20607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 20627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 20637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 20657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 2066d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with forward search", 20677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 20687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 2069d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 20707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 20717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2072d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 20747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 20757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 20767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 20787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 2079d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with backward search", 20807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 20817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 2082d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 20837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 20847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20866f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGW("Attempt to read object from Parcel %p at offset %zu that is not in the object list", 20877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 20887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 20907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 20937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 20957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 2096d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing file descriptors for %zu objects...", i); 20977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 20997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 21007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 21017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 21027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 2103d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing fd: %ld", flat->handle); 21047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 21057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 21067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 21077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 210984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcData() const 21107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 211184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mData); 21127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 21157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 21167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 21177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 211984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcObjects() const 21207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 212184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mObjects); 21227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 21257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 21267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 21277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 213084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 21317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 21326f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t minOffset = 0; 21337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 21347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 21357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 21367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 2137d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("setDataReference Setting data size of %p to %lu (pid=%d)", this, mDataSize, getpid()); 21387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 2139d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataReference Setting data pos of %p to %zu", this, mDataPos); 214084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg mObjects = const_cast<binder_size_t*>(objects); 21417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 21427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 21437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 21447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 2145f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg for (size_t i = 0; i < mObjectsSize; i++) { 21466f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t offset = mObjects[i]; 2147f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg if (offset < minOffset) { 21483bdc5b826803dca10d3625c56de38d6c55d869c8Dan Albert ALOGE("%s: bad object offset %" PRIu64 " < %" PRIu64 "\n", 21496f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg __func__, (uint64_t)offset, (uint64_t)minOffset); 2150f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg mObjectsSize = 0; 2151f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg break; 2152f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 2153f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg minOffset = offset + sizeof(flat_binder_object); 2154f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 21557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 21567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21586f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::print(TextOutput& to, uint32_t /*flags*/) const 21597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 21607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 2161d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 21637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 21646f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross to << "Error: " << (void*)(intptr_t)err << " \"" << strerror(-err) << "\""; 21657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 21667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 21677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 216884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* OBJS = objects(); 21697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 21707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 21717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 21727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 21737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 21747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 21757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 21767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 21777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 21787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 21797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2180d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 21827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 21857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 21867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 21877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 21887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 218984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 21907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 21917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 21927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 21937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 2194cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos release_object(proc, *flat, this, &mOpenAshmemSize); 21957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 21967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 21997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 22007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 22017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 22027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 220384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 22047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 22057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 22067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 22077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 2208cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(proc, *flat, this, &mOpenAshmemSize); 22097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 22117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 22137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 22147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 22157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 22167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 22177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 22197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 22207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 22217e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing other owner data", this); 2222d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 22237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 22247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 22257e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing allocated data", this); 22267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 22277e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn if (mData) { 22287e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing with %zu capacity", this, mDataCapacity); 2229a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 223048fd7b457bb0657253d6012e787f50498b32ae42Dan Austin if (mDataCapacity <= gParcelGlobalAllocSize) { 223148fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocSize = gParcelGlobalAllocSize - mDataCapacity; 223248fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } else { 223348fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocSize = 0; 223448fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } 223548fd7b457bb0657253d6012e787f50498b32ae42Dan Austin if (gParcelGlobalAllocCount > 0) { 223648fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocCount--; 223748fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } 2238a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 22397e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn free(mData); 22407e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn } 22417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 22427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 22447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 22467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2247b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 2248b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2249b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2250b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2251b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2252b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 22537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 22547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 22557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 22567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 22577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 22587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 22607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2261b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 2262b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2263b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2264b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2265b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2266b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 22677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 22687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 22697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 22707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2271d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 22737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 22747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 22757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 22767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2277d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 2279d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 22817e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: restart from %zu to %zu capacity", this, mDataCapacity, desired); 2282a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 22837e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 22847e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 228583ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross if (!mData) { 228683ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross gParcelGlobalAllocCount++; 228783ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross } 2288a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 22897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 22907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 22917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2292d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 2294d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data size of %p to %zu", this, mDataSize); 2295d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data pos of %p to %zu", this, mDataPos); 2296d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 22987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 22997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 23007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 23017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 23027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 23038938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 2304d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 23057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 23067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 23077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 23097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2310b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 2311b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2312b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2313b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2314b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2315b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 23167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 23177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 23187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 23197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 23207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 23217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 23227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 23237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 23247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 23257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 23267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 23277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2330d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 23317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 23327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 23337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 23347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 23357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 23367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 23397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 23407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 23417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 23427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 23437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 23447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 234584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = NULL; 2346d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 23477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 2348e9881a3961888c4264034473021f42f9f0305026Nick Kralevich objects = (binder_size_t*)calloc(objectsSize, sizeof(binder_size_t)); 23497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 23503f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim free(data); 23513f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 23527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 23537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 23547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 23577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 23587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 23597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 23607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 23617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 23627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2363d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 23647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 23657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 23667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 236884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg memcpy(objects, mObjects, objectsSize*sizeof(binder_size_t)); 23697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2370d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 23717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 23727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 23737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23747e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: taking ownership of %zu capacity", this, desired); 2375a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 23767e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 23777e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 2378a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 23797e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 23807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 23817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 23827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 2383d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 23847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 23857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 23867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 23877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 23897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 23907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 23917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 23927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 23937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 23947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 23957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 23967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 23977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 23987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2399cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos release_object(proc, *flat, this, &mOpenAshmemSize); 24007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 240184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = 240284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, objectsSize*sizeof(binder_size_t)); 24037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 24047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 24057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 24067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 24077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 24087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 24097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 24107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 24117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 24127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 24137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 24147e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: continue from %zu to %zu capacity", this, mDataCapacity, 24157e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn desired); 2416a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 24177e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 24187e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 2419a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 24207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 24217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 24227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 24237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 24247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 24257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 24267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 242797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 242897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 2429d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 243097e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 24317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 24327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 2433d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 24347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 24357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2436d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 24377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 24387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 24397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 24407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 24417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 24427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 24437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 24443f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 24457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 24467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 24476f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("continueWrite: %zu/%p/%zu/%zu", mDataCapacity, mObjects, mObjectsCapacity, desired); 24487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2449d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 24507e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: allocating with %zu capacity", this, desired); 2451a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 24527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 24537e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 2454a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 24557e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 24567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 24577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 2458d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 2459d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 24607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 24617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 24627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 24637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 24647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 24657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 24667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 24677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 24687e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: initState", this); 24697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 24707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 24717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 24727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 24737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 2474d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data size of %p to %zu", this, mDataSize); 2475d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data pos of %p to %zu", this, mDataPos); 24767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 24777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 24787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 24797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 24807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 24817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 24828938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 24837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 2484cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos mOpenAshmemSize = 0; 24857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 24867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 24877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 24887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 24897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 24907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 24917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 24927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 24937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 24947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 24957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 24967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 24977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 24987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 24997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 25007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 25017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2502aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandlersize_t Parcel::getBlobAshmemSize() const 2503aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler{ 25046bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // This used to return the size of all blobs that were written to ashmem, now we're returning 25056bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // the ashmem currently referenced by this Parcel, which should be equivalent. 25066bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // TODO: Remove method once ABI can be changed. 25076bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos return mOpenAshmemSize; 2508aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler} 2509aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 2510cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roossize_t Parcel::getOpenAshmemSize() const 2511cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos{ 2512cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos return mOpenAshmemSize; 2513aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler} 2514aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 25155707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// --- Parcel::Blob --- 25165707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 25175707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::Blob() : 251813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd(-1), mData(NULL), mSize(0), mMutable(false) { 25195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 25205707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 25215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::~Blob() { 25225707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown release(); 25235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 25245707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 25255707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::release() { 252613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (mFd != -1 && mData) { 25275707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(mData, mSize); 25285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 25295707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown clear(); 25305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 25315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 253213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownvoid Parcel::Blob::init(int fd, void* data, size_t size, bool isMutable) { 253313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = fd; 25345707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = data; 25355707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = size; 253613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = isMutable; 25375707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 25385707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 25395707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::clear() { 254013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = -1; 25415707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = NULL; 25425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = 0; 254313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = false; 25445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 25455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 25467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 2547