Parcel.cpp revision e93390b0bd336cd1b69abebf6eeffd18881f531b
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 20c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Parcel.h> 217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick#include <binder/IPCThreadState.h> 23c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Binder.h> 24c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/BpBinder.h> 25c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/ProcessState.h> 2609eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley#include <binder/Status.h> 27002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <binder/TextOutput.h> 28002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian 29abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang#include <errno.h> 30002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <utils/Debug.h> 317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/misc.h> 3598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian#include <utils/Flattenable.h> 365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <cutils/ashmem.h> 377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 38208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 397e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#include <private/binder/Static.h> 407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 41f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg#include <inttypes.h> 427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdio.h> 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdlib.h> 447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdint.h> 455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <sys/mman.h> 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 52e93390b0bd336cd1b69abebf6eeffd18881f531bMark Salyzyn//#define LOG_REFS(...) ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__) 537e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#define LOG_ALLOC(...) 54e93390b0bd336cd1b69abebf6eeffd18881f531bMark Salyzyn//#define LOG_ALLOC(...) ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__) 557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 58b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// This macro should never be used at runtime, as a too large value 59b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// of s could cause an integer overflow. Instead, you should always 60b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// use the wrapper function pad_size() 61b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich#define PAD_SIZE_UNSAFE(s) (((s)+3)&~3) 62b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 63b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevichstatic size_t pad_size(size_t s) { 64b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (s > (SIZE_T_MAX - 3)) { 65b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 66b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 67b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return PAD_SIZE_UNSAFE(s); 68b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich} 697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 70a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER 710c1f5cbb8a41d19195ab49dcfeb5caaea2d3fcdaJeff Sharkey#define STRICT_MODE_PENALTY_GATHER (0x40 << 16) 72a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 83a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic pthread_mutex_t gParcelGlobalAllocSizeLock = PTHREAD_MUTEX_INITIALIZER; 84a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocSize = 0; 85a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocCount = 0; 86a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn 8713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown// Maximum size of a blob to transfer in-place. 8813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatic const size_t BLOB_INPLACE_LIMIT = 16 * 1024; 8913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 9013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownenum { 9113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_INPLACE = 0, 9213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_IMMUTABLE = 1, 9313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_MUTABLE = 2, 9413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown}; 9513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 97cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos const flat_binder_object& obj, const void* who, size_t* outAshmemSize) 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 10384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->incStrong(who); 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 10884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 124cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos if (obj.cookie != 0) { 1256bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (outAshmemSize != NULL) { 1266bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // If we own an ashmem fd, keep track of how much memory it refers to. 1276bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos int size = ashmem_get_size_region(obj.handle); 1286bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (size > 0) { 1296bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos *outAshmemSize += size; 1306bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 131cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 132cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 1337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1376f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGD("Invalid object type 0x%08x", obj.type); 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1406bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosvoid acquire_object(const sp<ProcessState>& proc, 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1436bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos acquire_object(proc, obj, who, NULL); 1446bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos} 1456bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos 1466bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosstatic void release_object(const sp<ProcessState>& proc, 147cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos const flat_binder_object& obj, const void* who, size_t* outAshmemSize) 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 15384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->decStrong(who); 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 15884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1746bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (outAshmemSize != NULL) { 1756bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (obj.cookie != 0) { 1766bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos int size = ashmem_get_size_region(obj.handle); 1776bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (size > 0) { 1786bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos *outAshmemSize -= size; 1796bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 180cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos 1816bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos close(obj.handle); 1826bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 183cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 1847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1886f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("Invalid object type 0x%08x", obj.type); 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1916bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosvoid release_object(const sp<ProcessState>& proc, 1926bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos const flat_binder_object& obj, const void* who) 1936bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos{ 1946bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos release_object(proc, obj, who, NULL); 1956bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos} 1966bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos 1977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 1986f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const sp<IBinder>& /*binder*/, const flat_binder_object& flat, Parcel* out) 1997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 2017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2036f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 207d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 2117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 214e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 21807fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 22084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 22384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(local->getWeakRefs()); 22484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(local); 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 22884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 22984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 231d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2356f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 2377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 239d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 2477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 248e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 25207fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 25484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 25784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(binder.get_refs()); 25884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(binder.unsafe_get()); 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 262d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 270e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Unable to unflatten Binder weak reference!"); 2717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 27284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 27384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 275d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 27884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 27984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2856f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross BpBinder* /*proxy*/, const flat_binder_object& /*flat*/, 2866f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const Parcel& /*in*/) 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 290d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 295d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 29984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 305d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn } 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 314d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 31884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 32184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (flat->binder != 0) { 3227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 32384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(flat->cookie), 32484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(flat->binder)); 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 3267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 3317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3437e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: constructing", this); 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 3507e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: destroyed", this); 3517e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3537e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocSize() { 354a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 355a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t size = gParcelGlobalAllocSize; 356a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 357a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return size; 3587e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3597e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3607e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocCount() { 361a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 362a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t count = gParcelGlobalAllocCount; 363a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 364a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return count; 3657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 3997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 400b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 401b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 402b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 403b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 404b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 405b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 4077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 410d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataSize Setting data size of %p to %zu", this, mDataSize); 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 417b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (pos > INT32_MAX) { 418b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 419b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 420b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 421b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 422b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 4287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 429b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 430b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 431b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 432b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 433b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 434b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 43597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 4367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 4407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 441b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 442b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 443b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 444b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 445b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 446b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 4487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 4507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 4517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 4527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 45651faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 4577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 4597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 46051faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 46184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t *objects = parcel->mObjects; 4627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 4637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 4647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 4657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 4677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 470b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 471b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 472b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 473b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 474b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 475b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 4777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 4787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 4797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 4807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 4817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 4847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 4857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 48627182be9f20f4f5b48316666429f09b9ecc1f22eChristopher Tate if ((off >= offset) && (off + sizeof(flat_binder_object) <= offset + len)) { 4877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 4887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 4897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 4917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 4947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 49597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 49697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 49797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 49897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 49997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 50097e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 5017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 5047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 5057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 5067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 5077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5088938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 5098938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 5107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 5117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 513ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate size_t newSize = ((mObjectsSize + numObjects)*3)/2; 514ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 51584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t *objects = 51684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 51784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (objects == (binder_size_t*)0) { 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 5227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 523d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 5257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5318af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 5327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 533cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(proc, *flat, this, &mOpenAshmemSize); 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 5368af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 5378af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 5388af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 5398af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 54084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg flat->cookie = 1; 5417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 5428938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 5438938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 5448938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 5457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5498938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 5508938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 5518938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 55213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownbool Parcel::allowFds() const 55313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 55413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return mAllowFds; 55513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 55613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 5577746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornbool Parcel::pushAllowFds(bool allowFds) 5588938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 5598938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 5607746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn if (!allowFds) { 5617746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = false; 5627746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn } 5638938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 5647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5667746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornvoid Parcel::restoreAllowFds(bool lastValue) 5677746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn{ 5687746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = lastValue; 5697746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn} 5707746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn 5717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 5727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 5747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 5757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 579702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 5807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 5817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 582a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 583a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 5857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 5867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 58883c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 58983c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 590702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 59183c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 59283c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 593a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 59470081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 5957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 59670081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 59770081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 59870081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 599a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 6005273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 6015273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 6025273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 6035273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 6045273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 6055273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 6065273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 6075273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 6085273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 6095273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 61083c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 614d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGW("**** enforceInterface() expected '%s' but read '%s'", 6157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 6167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 6177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 618702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 6197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 62084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågconst binder_size_t* Parcel::objects() const 6217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 6237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 6267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 6287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 6337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 6367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 6387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 6417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 642b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 643b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 644b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 645b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 646b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 647b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 6497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 650d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data pos of %p to %zu", this, mDataPos); 6517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 6527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 653d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data size of %p to %zu", this, mDataSize); 6547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 6567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 6607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 661b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 662b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 663b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 664b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 665b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 666b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 6687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 6697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 6707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 6717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 6747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 6767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 6777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 6807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 6857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 686b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 687b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 688b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 689b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 690b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 691b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 6937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 6947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 6957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 6987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 7017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 702b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 703b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 704b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 705b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 706b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 707b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 708b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich const size_t padded = pad_size(len); 7097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 7117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 7127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 7187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 7197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 7217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 7227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 7237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 7257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 7287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 7307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 7337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 7347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 7357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 7387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 7397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 7427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 7437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 746b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeByteVector(const std::unique_ptr<std::vector<int8_t>>& val) 747b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 748b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!val) { 749b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(-1); 750b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 751b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 752b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeByteVector(*val); 753b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 754b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 7555f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeByteVector(const std::vector<int8_t>& val) 756451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 7575f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status_t status; 758451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (val.size() > std::numeric_limits<int32_t>::max()) { 7595f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = BAD_VALUE; 7605f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 761451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 762451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7635f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = writeInt32(val.size()); 764451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 765451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 766451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 767451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7685f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin void* data = writeInplace(val.size()); 7695f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin if (!data) { 7705f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = BAD_VALUE; 7715f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 772451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 773451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7745f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin memcpy(data, val.data(), val.size()); 7755f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 776451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 777451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7785f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeInt32Vector(const std::vector<int32_t>& val) 779451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 78003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeInt32); 7815f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 782451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 783b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeInt32Vector(const std::unique_ptr<std::vector<int32_t>>& val) 784b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 785b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeInt32); 786b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 787b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 7885f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeInt64Vector(const std::vector<int64_t>& val) 7895f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 79003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeInt64); 7915f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 792451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 793b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeInt64Vector(const std::unique_ptr<std::vector<int64_t>>& val) 794b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 795b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeInt64); 796b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 797b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 7985f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeFloatVector(const std::vector<float>& val) 7995f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 80003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeFloat); 8015f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 802451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 803b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeFloatVector(const std::unique_ptr<std::vector<float>>& val) 804b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 805b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeFloat); 806b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 807b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8085f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeDoubleVector(const std::vector<double>& val) 8095f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 81003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeDouble); 811451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 812451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 813b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeDoubleVector(const std::unique_ptr<std::vector<double>>& val) 814b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 815b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeDouble); 816b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 817b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 818451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeBoolVector(const std::vector<bool>& val) 819451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 82003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeBool); 821451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 822451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 823b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeBoolVector(const std::unique_ptr<std::vector<bool>>& val) 824b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 825b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeBool); 826b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 827b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 828451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeCharVector(const std::vector<char16_t>& val) 829451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 83003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeChar); 831451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 832451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 833b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeCharVector(const std::unique_ptr<std::vector<char16_t>>& val) 834b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 835b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeChar); 836b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 837b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 838451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeString16Vector(const std::vector<String16>& val) 839451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 84003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeString16); 841451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 842451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 843b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeString16Vector( 844b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const std::unique_ptr<std::vector<std::unique_ptr<String16>>>& val) 845b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 846b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeString16); 847b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 848b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 8507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 85184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 8527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 85341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 85441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::writeUint32(uint32_t val) 85541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 85641a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return writeAligned(val); 85741a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 85841a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 8595c0106e134366312206702f1b072347e20c90374Marco Nelissenstatus_t Parcel::writeInt32Array(size_t len, const int32_t *val) { 860b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 861b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 862b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 863b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 864b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 865b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 8665c0106e134366312206702f1b072347e20c90374Marco Nelissen if (!val) { 867e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 8685c0106e134366312206702f1b072347e20c90374Marco Nelissen } 869e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 8705c0106e134366312206702f1b072347e20c90374Marco Nelissen if (ret == NO_ERROR) { 8715c0106e134366312206702f1b072347e20c90374Marco Nelissen ret = write(val, len * sizeof(*val)); 8725c0106e134366312206702f1b072347e20c90374Marco Nelissen } 8735c0106e134366312206702f1b072347e20c90374Marco Nelissen return ret; 8745c0106e134366312206702f1b072347e20c90374Marco Nelissen} 875f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissenstatus_t Parcel::writeByteArray(size_t len, const uint8_t *val) { 876b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 877b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 878b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 879b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 880b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 881b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 882f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (!val) { 883e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 884f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 885e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 886f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (ret == NO_ERROR) { 887f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen ret = write(val, len * sizeof(*val)); 888f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 889f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen return ret; 890f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen} 8917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 892d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeBool(bool val) 893d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 894d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 895d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 896d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 897d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeChar(char16_t val) 898d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 899d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 900d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 901d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 902d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeByte(int8_t val) 903d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 904d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 905d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 906d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 9077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 9087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 90984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 9107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9122d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::writeUint64(uint64_t val) 9132d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 9142d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return writeAligned(val); 9152d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 9162d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 917f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::writePointer(uintptr_t val) 918f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 91984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return writeAligned<binder_uintptr_t>(val); 920f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 921f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 9227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 9237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 92484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 9257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 927cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 928cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 929cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::writeDouble(double val) 930cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 931cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 932cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 933cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 934cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 935cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.d = val; 936cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return writeAligned(u.ll); 937cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 938cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 939cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 940cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 9417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 9427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 94384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 94484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 9457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 946cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 947cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 9487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 9497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 9517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 9547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 956d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 957d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 958d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 959d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 9607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 9617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 9637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 965b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeString16(const std::unique_ptr<String16>& str) 966b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 967b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!str) { 968b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(-1); 969b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 970b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 971b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeString16(*str); 972b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 973b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 9747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 9757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 9777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 9807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 982d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 9837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 9847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 9857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 9867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 9877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 9887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 9897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 9907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 9937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 9957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 9987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 10007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1002eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlinstatus_t Parcel::writeStrongBinderVector(const std::vector<sp<IBinder>>& val) 1003eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin{ 100403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeStrongBinder); 1005eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin} 1006eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 1007b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeStrongBinderVector(const std::unique_ptr<std::vector<sp<IBinder>>>& val) 1008b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 1009b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeStrongBinder); 1010b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1011b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1012b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readStrongBinderVector(std::unique_ptr<std::vector<sp<IBinder>>>* val) const { 1013b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readStrongBinder); 1014b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1015b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1016eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlinstatus_t Parcel::readStrongBinderVector(std::vector<sp<IBinder>>* val) const { 101703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readStrongBinder); 1018eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin} 1019eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 10207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 10217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 10237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1025b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeRawNullableParcelable(const Parcelable* parcelable) { 1026b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!parcelable) { 1027b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(0); 1028b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1029b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1030b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeParcelable(*parcelable); 1031b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1032b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 103397f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wileystatus_t Parcel::writeParcelable(const Parcelable& parcelable) { 103497f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley status_t status = writeInt32(1); // parcelable is not null. 103597f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (status != OK) { 103697f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return status; 103797f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 103897f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return parcelable.writeToParcel(this); 103997f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley} 104097f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley 1041a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 10425f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 10431d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 10445f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 10455f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 10465f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 1047a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 10485f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 1049edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1050a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 10515f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 1052edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1053a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 1054a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 1055edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1056edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 10579d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("write native handle, write dup fd failed"); 1058edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 1059edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1060a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 10615f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 10625f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 10635f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 106493ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brownstatus_t Parcel::writeFileDescriptor(int fd, bool takeOwnership) 10657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 10677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 10687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 106907fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 10707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 107184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = takeOwnership ? 1 : 0; 10727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 10737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 10767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1077d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown int dupFd = dup(fd); 1078d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (dupFd < 0) { 1079d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return -errno; 1080d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 1081d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown status_t err = writeFileDescriptor(dupFd, true /*takeOwnership*/); 108206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (err != OK) { 1083d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown close(dupFd); 1084d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 1085d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return err; 10867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 108806673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptor(const ScopedFd& fd) { 108906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return writeDupFileDescriptor(fd.get()); 109006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 109106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 109206673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptorVector(const std::vector<ScopedFd>& val) { 109306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return writeTypedVector(val, &Parcel::writeUniqueFileDescriptor); 109406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 109506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 1096b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptorVector(const std::unique_ptr<std::vector<ScopedFd>>& val) { 1097b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeUniqueFileDescriptor); 1098b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1099b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 110013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeBlob(size_t len, bool mutableCopy, WritableBlob* outBlob) 11015707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 1102b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1103b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1104b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1105b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1106b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1107b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 110813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status; 110913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds || len <= BLOB_INPLACE_LIMIT) { 11106807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write in place"); 111113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(BLOB_INPLACE); 11125707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 11135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11145707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = writeInplace(len); 11155707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 11165707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 111713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, ptr, len, false); 11185707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11205707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11216807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write to ashmem"); 11225707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = ashmem_create_region("Parcel Blob", len); 11235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd < 0) return NO_MEMORY; 11245707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11255707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE); 11265707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 1127ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 11285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 11295707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); 11305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (ptr == MAP_FAILED) { 11315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = -errno; 11325707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 113313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mutableCopy) { 113413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown result = ashmem_set_prot_region(fd, PROT_READ); 113513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown } 11365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 1137ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 11385707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 113913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(mutableCopy ? BLOB_ASHMEM_MUTABLE : BLOB_ASHMEM_IMMUTABLE); 11405707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 114193ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status = writeFileDescriptor(fd, true /*takeOwnership*/); 11425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 114313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, mutableCopy); 11445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(ptr, len); 11505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::close(fd); 11525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return status; 11535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 11545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 115513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeDupImmutableBlobFileDescriptor(int fd) 115613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 115713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // Must match up with what's done in writeBlob. 115813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds) return FDS_NOT_ALLOWED; 115913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = writeInt32(BLOB_ASHMEM_IMMUTABLE); 116013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (status) return status; 116113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return writeDupFileDescriptor(fd); 116213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 116313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 1164e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::write(const FlattenableHelperInterface& val) 116598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 116698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 116798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 116898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 1169e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t len = val.getFlattenedSize(); 1170e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t fd_count = val.getFdCount(); 117198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1172b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((len > INT32_MAX) || (fd_count > INT32_MAX)) { 1173b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1174b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1175b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1176b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1177b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 117898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 117998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 118098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 118198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 118298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 118398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 118498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1185b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void* const buf = this->writeInplace(pad_size(len)); 118698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 118798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 118898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 118998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 119098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 119198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 119298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 119398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 119498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 119598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 119698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 119798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 119898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 119998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 120098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 120198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 120298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 120398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 120498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 120598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 12067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 12077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 12097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 12107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 12117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 12127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 1213d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 12147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 12157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 12168938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 121798e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // fail before modifying our object index 12188938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 12198938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 12207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 12217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 122398e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // Need to write meta-data? 122498e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate if (nullMetaData || val.binder != 0) { 122598e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjects[mObjectsSize] = mDataPos; 1226cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(ProcessState::self(), val, this, &mOpenAshmemSize); 122798e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjectsSize++; 122898e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate } 122998e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate 12307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 12317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 12347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 12357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 12367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 12387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 1239ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 124084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 12417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 12427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 12437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 12447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1245d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 12467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 12477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1249837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 1250837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 125109eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley binder::Status status; 125209eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley return status.writeToParcel(this); 1253837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 1254837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 12556f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::remove(size_t /*start*/, size_t /*amt*/) 12567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 12587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 12617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1262b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1263b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1264b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1265b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1266b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1267b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1268b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1269b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 12707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 1271b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1272d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("read Setting data pos of %p to %zu", this, mDataPos); 12737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 12747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 12767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 12797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1280b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1281b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1282b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1283b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 1284b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1285b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1286b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1287b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 12887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 1289b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1290d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readInplace Setting data pos of %p to %zu", this, mDataPos); 12917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 12927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 12947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 129684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 129784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 1298b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 129984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 130084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 13017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 130284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 130384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 13047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 13057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 131084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 131184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 131284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 131384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 131484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 131584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 131684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 131784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 131884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 131984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 132084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 132184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 1322b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 132384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 132484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 132584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 132684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 132784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 132884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 132984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 133084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 133184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 133284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 133384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 133484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1335451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readByteVector(std::vector<int8_t>* val) const { 1336451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->clear(); 1337451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1338451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin int32_t size; 1339451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t status = readInt32(&size); 1340451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1341451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1342451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1343451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1344451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 13454db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley if (size < 0) { 13464db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley status = UNEXPECTED_NULL; 13474db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return status; 13484db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley } 13494db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley if (size_t(size) > dataAvail()) { 1350f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley status = BAD_VALUE; 1351f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1352451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 13534db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley 1354f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley const void* data = readInplace(size); 1355f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley if (!data) { 1356f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley status = BAD_VALUE; 1357f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1358451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1359f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley val->resize(size); 1360f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley memcpy(val->data(), data, size); 1361451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1362f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1363451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1364451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1365b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readByteVector(std::unique_ptr<std::vector<int8_t>>* val) const { 1366b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1367b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1368b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1369b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1370b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1371b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1372b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1373b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1374b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1375b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1376b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(new std::vector<int8_t>()); 1377b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1378b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readByteVector(val->get()); 1379b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1380b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1381b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1382b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1383b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1384b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1385b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1386b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1387b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readInt32Vector(std::unique_ptr<std::vector<int32_t>>* val) const { 1388b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readInt32); 1389b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1390b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1391451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readInt32Vector(std::vector<int32_t>* val) const { 139203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readInt32); 1393451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1394451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1395b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readInt64Vector(std::unique_ptr<std::vector<int64_t>>* val) const { 1396b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readInt64); 1397b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1398b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1399451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readInt64Vector(std::vector<int64_t>* val) const { 140003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readInt64); 1401451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1402451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1403b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readFloatVector(std::unique_ptr<std::vector<float>>* val) const { 1404b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readFloat); 1405b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1406b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1407451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readFloatVector(std::vector<float>* val) const { 140803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readFloat); 1409451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1410451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1411b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readDoubleVector(std::unique_ptr<std::vector<double>>* val) const { 1412b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readDouble); 1413b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1414b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1415451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readDoubleVector(std::vector<double>* val) const { 141603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readDouble); 1417451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1418451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1419b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readBoolVector(std::unique_ptr<std::vector<bool>>* val) const { 1420b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1421b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1422b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1423b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1424b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1425b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1426b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1427b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1428b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1429b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1430b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(new std::vector<bool>()); 1431b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1432b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readBoolVector(val->get()); 1433b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1434b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1435b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1436b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1437b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1438b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1439b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1440451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1441b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readBoolVector(std::vector<bool>* val) const { 1442451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin int32_t size; 1443451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t status = readInt32(&size); 1444451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1445451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1446451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1447451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1448451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1449451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (size < 0) { 14504db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return UNEXPECTED_NULL; 1451451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1452451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1453451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->resize(size); 1454451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1455451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin /* C++ bool handling means a vector of bools isn't necessarily addressable 1456451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin * (we might use individual bits) 1457451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin */ 145897887989495318803643c91b196b6bcabf2a7a03Christopher Wiley bool data; 145997887989495318803643c91b196b6bcabf2a7a03Christopher Wiley for (int32_t i = 0; i < size; ++i) { 1460451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status = readBool(&data); 1461451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin (*val)[i] = data; 1462451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1463451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1464451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1465451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1466451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1467451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1468451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return OK; 1469451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1470451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1471b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readCharVector(std::unique_ptr<std::vector<char16_t>>* val) const { 1472b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readChar); 1473b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1474b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1475451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readCharVector(std::vector<char16_t>* val) const { 147603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readChar); 1477451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1478451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1479b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readString16Vector( 1480b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin std::unique_ptr<std::vector<std::unique_ptr<String16>>>* val) const { 1481b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readString16); 1482b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1483b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1484451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readString16Vector(std::vector<String16>* val) const { 148503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readString16); 1486451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1487451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1488451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 148984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 149084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 149184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 149284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 149384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 14947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 14957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 149684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 14977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 149941a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::readUint32(uint32_t *pArg) const 150041a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 150141a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned(pArg); 150241a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 150341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 150441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozauint32_t Parcel::readUint32() const 150541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 150641a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned<uint32_t>(); 150741a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 15087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 15107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 151184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 15127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 15167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 151784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 15187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15202d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::readUint64(uint64_t *pArg) const 15212d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 15222d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned(pArg); 15232d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 15242d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 15252d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wuuint64_t Parcel::readUint64() const 15262d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 15272d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned<uint64_t>(); 15282d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 15292d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 1530f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::readPointer(uintptr_t *pArg) const 1531f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 153284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg status_t ret; 153384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_uintptr_t ptr; 153484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg ret = readAligned(&ptr); 153584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!ret) 153684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *pArg = ptr; 153784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return ret; 1538f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1539f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1540f683e0163a84d93448b9388126902242367cd961Serban Constantinescuuintptr_t Parcel::readPointer() const 1541f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 154284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return readAligned<binder_uintptr_t>(); 1543f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1544f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1545f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 15467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 15477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 154884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 15497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 15537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 155484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 15557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1557cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 1558cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 15597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 15607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1561cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1562cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1563cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1564cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 15652c68d380c9ef765a7d46e5a4735f39e6c27849f2Narayan Kamath u.d = 0; 1566cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status_t status; 1567cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status = readAligned(&u.ll); 1568cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung *pArg = u.d; 1569cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return status; 15707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1572cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungdouble Parcel::readDouble() const 1573cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1574cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1575cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1576cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1577cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1578cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.ll = readAligned<unsigned long long>(); 1579cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return u.d; 1580cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 1581cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1582cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 1583cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1584cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::readDouble(double *pArg) const 1585cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1586cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return readAligned(pArg); 1587cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 15887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 15907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 159184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 159284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 159384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1594cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 1595cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 159684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 159784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 159884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 159984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 160084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 160184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 160284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 160384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 160484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 16057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1607d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readBool(bool *pArg) const 1608d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1609d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1610d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1611d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = (tmp != 0); 1612d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1613d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1614d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1615d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinbool Parcel::readBool() const 1616d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1617d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return readInt32() != 0; 1618d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1619d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1620d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readChar(char16_t *pArg) const 1621d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1622d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1623d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1624d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = char16_t(tmp); 1625d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1626d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1627d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1628d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinchar16_t Parcel::readChar() const 1629d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1630d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return char16_t(readInt32()); 1631d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1632d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1633d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readByte(int8_t *pArg) const 1634d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1635d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1636d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1637d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = int8_t(tmp); 1638d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1639d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1640d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1641d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinint8_t Parcel::readByte() const 1642d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1643d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return int8_t(readInt32()); 1644d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 16457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 16477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 16497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 16507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 16517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 16527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 16537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 16547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 1655b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len+1); 1656d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readCString Setting data pos of %p to %zu", this, mDataPos); 16577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 16587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 16617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 16647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 16667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 16677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 16687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 16697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 16707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 16727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 16757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 16777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 16787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 1679e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Reading a NULL string not supported here."); 16807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 16817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1683b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readString16(std::unique_ptr<String16>* pArg) const 1684b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 1685b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1686b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1687b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1688b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(); 1689b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1690b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1691b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1692b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1693b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1694b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1695b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(new String16()); 1696b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1697b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readString16(pArg->get()); 1698b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1699b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1700b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(); 1701b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1702b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1703b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1704b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1705b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1706451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readString16(String16* pArg) const 1707451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 1708451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin size_t len; 1709451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin const char16_t* str = readString16Inplace(&len); 1710451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (str) { 17111515ea103e00f6672afad4d27f2e0dec5648d7b6Casey Dahlin pArg->setTo(str, len); 1712451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return 0; 1713451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } else { 1714451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin *pArg = String16(); 17154db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return UNEXPECTED_NULL; 1716451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1717451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1718451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 17197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 17207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 17227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 17237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 17247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 17257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 17267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 17277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 17287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 17317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 17327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1734f0c13772d95486d98f034361883b2415bb26a614Casey Dahlinstatus_t Parcel::readStrongBinder(sp<IBinder>* val) const 1735f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin{ 1736f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin return unflatten_binder(ProcessState::self(), *this, val); 1737f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin} 1738f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 17397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 17407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 1742f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin readStrongBinder(&val); 17437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 17447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 17477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 17497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 17507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 17517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 175397f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wileystatus_t Parcel::readParcelable(Parcelable* parcelable) const { 175497f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley int32_t have_parcelable = 0; 175597f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley status_t status = readInt32(&have_parcelable); 175697f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (status != OK) { 175797f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return status; 175897f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 175997f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (!have_parcelable) { 176097f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return UNEXPECTED_NULL; 176197f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 176297f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return parcelable->readFromParcel(this); 176397f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley} 176497f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley 1765837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 1766837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 176709eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley binder::Status status; 176809eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley status.readFromParcel(*this); 176909eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley return status.exceptionCode(); 1770837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 17715f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1772a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 17735f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 17745f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 17755f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 17765f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 17775f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 17785f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 17795f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 17805f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1781a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 1782eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski if (!h) { 1783eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski return 0; 1784eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski } 1785eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski 17865f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1787360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 17885f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 17895f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 17905f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 17915f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1792a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1793a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 17945f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 17955f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 17965f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 17975f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 17985f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 17995f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 18007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 18017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 180306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 180406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (flat && flat->type == BINDER_TYPE_FD) { 180506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return flat->handle; 18067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 180706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 18087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 18097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 181106673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::readUniqueFileDescriptor(ScopedFd* val) const 181206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin{ 181306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin int got = readFileDescriptor(); 181406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 181506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (got == BAD_TYPE) { 181606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return BAD_TYPE; 181706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin } 181806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 181906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin val->reset(dup(got)); 182006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 182106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (val->get() < 0) { 182206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return BAD_VALUE; 182306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin } 182406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 182506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return OK; 182606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 182706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 182806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 1829b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readUniqueFileDescriptorVector(std::unique_ptr<std::vector<ScopedFd>>* val) const { 1830b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readUniqueFileDescriptor); 1831b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1832b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 183306673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::readUniqueFileDescriptorVector(std::vector<ScopedFd>* val) const { 183406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return readTypedVector(val, &Parcel::readUniqueFileDescriptor); 183506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 183606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 18375707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const 18385707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 183913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown int32_t blobType; 184013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = readInt32(&blobType); 18415707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 18425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 184313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (blobType == BLOB_INPLACE) { 18446807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read in place"); 18455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown const void* ptr = readInplace(len); 18465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return BAD_VALUE; 18475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 184813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, const_cast<void*>(ptr), len, false); 18495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 18505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 18515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 18526807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read from ashmem"); 185313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown bool isMutable = (blobType == BLOB_ASHMEM_MUTABLE); 18545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = readFileDescriptor(); 18555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd == int(BAD_TYPE)) return BAD_VALUE; 18565707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 185713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown void* ptr = ::mmap(NULL, len, isMutable ? PROT_READ | PROT_WRITE : PROT_READ, 185813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown MAP_SHARED, fd, 0); 18599ea09757fa63ad2a9bea9c846b51c1210d69c79fNarayan Kamath if (ptr == MAP_FAILED) return NO_MEMORY; 18605707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 186113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, isMutable); 18625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 18635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 18645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1865e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::read(FlattenableHelperInterface& val) const 186698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 186798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 186898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 186998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 187098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1871b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1872b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1873b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1874b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1875b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1876b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 187798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1878b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void const* const buf = this->readInplace(pad_size(len)); 187998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 188098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 188198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 188298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 188398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 188498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 188598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 188698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 188798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 188898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 1889fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall fds[i] = dup(this->readFileDescriptor()); 1890abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang if (fds[i] < 0) { 1891abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang err = BAD_VALUE; 1892fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall ALOGE("dup() failed in Parcel::read, i is %zu, fds[i] is %d, fd_count is %zu, error: %s", 1893fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall i, fds[i], fd_count, strerror(errno)); 1894abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang } 189598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 189698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 189798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 189898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 189998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 190098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 190198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 190298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 190398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 190498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 190598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 190698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 19077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 19087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 19107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 19117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 19127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 19137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 191484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!nullMetaData && (obj->cookie == 0 && obj->binder == 0)) { 19155f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 19167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 19177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 1918d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 19197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 19207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1921d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 192384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const OBJS = mObjects; 19247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 19257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 1926d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 1928d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p looking for obj at %zu, hint=%zu", 19297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 1930d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 19327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 19337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 19347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 19357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 19367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 19387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 19397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 19417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 1942d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with forward search", 19437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 19447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 1945d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 19467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 19477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1948d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 19507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 19517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 19527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 19547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 1955d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with backward search", 19567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 19577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 1958d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 19597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 19607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19626f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGW("Attempt to read object from Parcel %p at offset %zu that is not in the object list", 19637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 19647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 19667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 19697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 19717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 1972d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing file descriptors for %zu objects...", i); 19737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 19757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 19767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 19777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 19787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 1979d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing fd: %ld", flat->handle); 19807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 19817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 198584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcData() const 19867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 198784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mData); 19887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 19917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 19937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 199584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcObjects() const 19967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 199784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mObjects); 19987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 20017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 20037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 200684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 20077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20086f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t minOffset = 0; 20097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 20107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 20117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 20127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 2013d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("setDataReference Setting data size of %p to %lu (pid=%d)", this, mDataSize, getpid()); 20147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 2015d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataReference Setting data pos of %p to %zu", this, mDataPos); 201684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg mObjects = const_cast<binder_size_t*>(objects); 20177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 20187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 20197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 20207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 2021f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg for (size_t i = 0; i < mObjectsSize; i++) { 20226f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t offset = mObjects[i]; 2023f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg if (offset < minOffset) { 20243bdc5b826803dca10d3625c56de38d6c55d869c8Dan Albert ALOGE("%s: bad object offset %" PRIu64 " < %" PRIu64 "\n", 20256f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg __func__, (uint64_t)offset, (uint64_t)minOffset); 2026f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg mObjectsSize = 0; 2027f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg break; 2028f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 2029f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg minOffset = offset + sizeof(flat_binder_object); 2030f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 20317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 20327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20346f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::print(TextOutput& to, uint32_t /*flags*/) const 20357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 2037d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 20397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 20406f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross to << "Error: " << (void*)(intptr_t)err << " \"" << strerror(-err) << "\""; 20417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 20427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 20437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 204484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* OBJS = objects(); 20457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 20467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 20477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 20487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 20497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 20507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 20517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 20527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 20547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 20557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2056d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 20587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 20617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 20637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 20647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 206584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 20667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 20677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 20687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 20697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 2070cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos release_object(proc, *flat, this, &mOpenAshmemSize); 20717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 20757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 20777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 20787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 207984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 20807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 20817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 20827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 20837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 2084cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(proc, *flat, this, &mOpenAshmemSize); 20857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 20897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 20917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 20927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 20957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 20977e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing other owner data", this); 2098d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 20997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 21007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 21017e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing allocated data", this); 21027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 21037e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn if (mData) { 21047e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing with %zu capacity", this, mDataCapacity); 2105a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 210648fd7b457bb0657253d6012e787f50498b32ae42Dan Austin if (mDataCapacity <= gParcelGlobalAllocSize) { 210748fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocSize = gParcelGlobalAllocSize - mDataCapacity; 210848fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } else { 210948fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocSize = 0; 211048fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } 211148fd7b457bb0657253d6012e787f50498b32ae42Dan Austin if (gParcelGlobalAllocCount > 0) { 211248fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocCount--; 211348fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } 2114a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 21157e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn free(mData); 21167e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn } 21177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 21187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 21197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 21227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2123b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 2124b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2125b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2126b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2127b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2128b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 21297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 21307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 21317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 21327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 21337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 21367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2137b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 2138b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2139b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2140b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2141b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2142b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 21437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 21447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 21457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 21467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2147d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 21497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 21507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 21517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 21527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2153d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 2155d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 21577e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: restart from %zu to %zu capacity", this, mDataCapacity, desired); 2158a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 21597e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 21607e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 216183ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross if (!mData) { 216283ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross gParcelGlobalAllocCount++; 216383ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross } 2164a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 21657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 21667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 21677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2168d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 2170d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data size of %p to %zu", this, mDataSize); 2171d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data pos of %p to %zu", this, mDataPos); 2172d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 21747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 21757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 21767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 21777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 21787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 21798938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 2180d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 21827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 21857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2186b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 2187b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2188b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2189b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2190b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2191b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 21927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 21937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 21947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 21957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 21967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 21977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 21987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 21997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 22007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 22017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 22027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 22037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2206d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 22087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 22097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 22107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 22117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 22127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 22157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 22167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 22177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 22187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 22197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 22207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 222184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = NULL; 2222d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 2224e9881a3961888c4264034473021f42f9f0305026Nick Kralevich objects = (binder_size_t*)calloc(objectsSize, sizeof(binder_size_t)); 22257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 22263f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim free(data); 22273f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 22287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 22297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 22307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 22337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 22347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 22357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 22367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 22377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 22387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2239d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 22417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 22427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 224484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg memcpy(objects, mObjects, objectsSize*sizeof(binder_size_t)); 22457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2246d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 22477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 22487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 22497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22507e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: taking ownership of %zu capacity", this, desired); 2251a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 22527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 22537e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 2254a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 22557e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 22567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 22577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 22587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 2259d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 22607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 22617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 22627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 22637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 22657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 22667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 22677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 22687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 22697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 22707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 22717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 22727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 22737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 22747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2275cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos release_object(proc, *flat, this, &mOpenAshmemSize); 22767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 227784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = 227884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, objectsSize*sizeof(binder_size_t)); 22797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 22807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 22817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 22837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 22847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 22877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 22887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 22897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 22907e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: continue from %zu to %zu capacity", this, mDataCapacity, 22917e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn desired); 2292a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 22937e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 22947e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 2295a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 22967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 22977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 22987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 22997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 23007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 23017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 230397e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 230497e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 2305d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 230697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 23077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 23087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 2309d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 23107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2312d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 23137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 23147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 23157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 23167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 23177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 23187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 23197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23203f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 23217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 23227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 23236f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("continueWrite: %zu/%p/%zu/%zu", mDataCapacity, mObjects, mObjectsCapacity, desired); 23247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2325d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 23267e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: allocating with %zu capacity", this, desired); 2327a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 23287e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 23297e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 2330a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 23317e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 23327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 23337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 2334d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 2335d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 23367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 23377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 23407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 23417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 23437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 23447e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: initState", this); 23457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 23467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 23477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 23487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 23497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 2350d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data size of %p to %zu", this, mDataSize); 2351d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data pos of %p to %zu", this, mDataPos); 23527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 23537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 23547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 23557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 23567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 23577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 23588938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 23597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 2360cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos mOpenAshmemSize = 0; 23617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 23627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 23647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 23657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 23667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 23677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 23687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 23697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 23707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 23717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 23727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 23757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 23767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 23777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2378aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandlersize_t Parcel::getBlobAshmemSize() const 2379aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler{ 23806bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // This used to return the size of all blobs that were written to ashmem, now we're returning 23816bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // the ashmem currently referenced by this Parcel, which should be equivalent. 23826bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // TODO: Remove method once ABI can be changed. 23836bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos return mOpenAshmemSize; 2384aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler} 2385aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 2386cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roossize_t Parcel::getOpenAshmemSize() const 2387cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos{ 2388cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos return mOpenAshmemSize; 2389aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler} 2390aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 23915707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// --- Parcel::Blob --- 23925707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 23935707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::Blob() : 239413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd(-1), mData(NULL), mSize(0), mMutable(false) { 23955707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 23965707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 23975707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::~Blob() { 23985707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown release(); 23995707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24005707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24015707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::release() { 240213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (mFd != -1 && mData) { 24035707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(mData, mSize); 24045707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 24055707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown clear(); 24065707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24075707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 240813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownvoid Parcel::Blob::init(int fd, void* data, size_t size, bool isMutable) { 240913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = fd; 24105707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = data; 24115707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = size; 241213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = isMutable; 24135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24145707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24155707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::clear() { 241613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = -1; 24175707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = NULL; 24185707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = 0; 241913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = false; 24205707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 2423