Parcel.cpp revision 2c68d380c9ef765a7d46e5a4735f39e6c27849f2
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> 26002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <binder/TextOutput.h> 27002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian 28abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang#include <errno.h> 29002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <utils/Debug.h> 307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/misc.h> 3498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian#include <utils/Flattenable.h> 355707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <cutils/ashmem.h> 367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 37208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 39f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg#include <inttypes.h> 407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdio.h> 417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdlib.h> 427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdint.h> 435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <sys/mman.h> 447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 509f760150f6e0f39b9923cfdc875373606839ee00Steve Block//#define LOG_REFS(...) ALOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define PAD_SIZE(s) (((s)+3)&~3) 557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 56a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER 57a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick#define STRICT_MODE_PENALTY_GATHER 0x100 58a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 59d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick// Note: must be kept in sync with android/os/Parcel.java's EX_HAS_REPLY_HEADER 60d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick#define EX_HAS_REPLY_HEADER -128 61d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick 625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// Maximum size of a blob to transfer in-place. 635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatic const size_t IN_PLACE_BLOB_LIMIT = 40 * 1024; 645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 8284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->incStrong(who); 837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 8784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // intentionally blank -- nothing to do to acquire this, but we do 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // recognize it as a legitimate object type. 1057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1096f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGD("Invalid object type 0x%08x", obj.type); 1107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid release_object(const sp<ProcessState>& proc, 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 11984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->decStrong(who); 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 12484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 14084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (obj.cookie != 0) close(obj.handle); 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1456f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("Invalid object type 0x%08x", obj.type); 1467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 1496f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const sp<IBinder>& /*binder*/, const flat_binder_object& flat, Parcel* out) 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1546f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 1627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 165e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 16907fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 17184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 17484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(local->getWeakRefs()); 17584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(local); 1767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 17984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 18084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 1817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 1847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1866f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 1877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 1887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 1947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 1957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 1967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 1987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 199e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 20307fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 20584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 20884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(binder.get_refs()); 20984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(binder.unsafe_get()); 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 221e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Unable to unflatten Binder weak reference!"); 2227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 22384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 22484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 22984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 23084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2366f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross BpBinder* /*proxy*/, const flat_binder_object& /*flat*/, 2376f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const Parcel& /*in*/) 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 25084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 2547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 2567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 26984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 2707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 27284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (flat->binder != 0) { 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 27484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(flat->cookie), 27584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(flat->binder)); 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 2787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 2937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 2987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 3396807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("setDataSize Setting data size of %p to %d\n", this, mDataSize); 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 3517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 35297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 3537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 3577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 3597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 3617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 3627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 3637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 36751faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 37151faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 37284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t *objects = parcel->mObjects; 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 3897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 3907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 3917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((off >= offset) && (off < offset + len)) { 3927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 3937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 3947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 3967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 3997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 40097e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 40197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 40297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 40397e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 40497e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 40597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 4097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 4107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 4127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4138938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 4148938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 4177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 4187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int newSize = ((mObjectsSize + numObjects)*3)/2; 41984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t *objects = 42084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 42184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (objects == (binder_size_t*)0) { 4227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 4297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 4307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 4317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 4327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 4337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 4347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4358af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 4367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 4377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 4387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 4408af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 4418af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 4428af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 4438af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 44484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg flat->cookie = 1; 4457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 4468938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 4478938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 4488938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 4497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4538938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 4548938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 4558938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4567746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornbool Parcel::pushAllowFds(bool allowFds) 4578938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 4588938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 4597746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn if (!allowFds) { 4607746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = false; 4617746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn } 4628938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 4637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4657746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornvoid Parcel::restoreAllowFds(bool lastValue) 4667746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn{ 4677746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = lastValue; 4687746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn} 4697746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn 4707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 4717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 4737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 4747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 4767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 478702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 4797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 4807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 481a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 482a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 4837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 4847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 4857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 48783c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 48883c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 489702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 49083c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 49183c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 492a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 49370081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 4947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 49570081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 49670081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 49770081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 498a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 4995273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 5005273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 5015273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 5025273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 5035273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 5045273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 5055273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 5065273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 5075273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 5085273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 50983c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 5107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 5117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 51332397c1cd3327905173b36baa6fd1c579bc328ffSteve Block ALOGW("**** enforceInterface() expected '%s' but read '%s'\n", 5147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 5157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 5167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 517702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 51984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågconst binder_size_t* Parcel::objects() const 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 5227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 5257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 5357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 5377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 5407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 5427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 5436807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("finishWrite Setting data pos of %p to %d\n", this, mDataPos); 5447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 5457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 5466807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("finishWrite Setting data size of %p to %d\n", this, mDataSize); 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 5497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 5537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 5557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 5567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 5577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 5587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 5617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 5637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 5647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 5677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 5697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 5727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 5747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 5757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 5767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 5827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t padded = PAD_SIZE(len); 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 5867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 5877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 5887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 5917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 5937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 5947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 5967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 5977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 5987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 6007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 6017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 6027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 6037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 6047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 6057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 6067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 6077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 6087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 6097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 6107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 6147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 6177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 6197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 6227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 62384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6255c0106e134366312206702f1b072347e20c90374Marco Nelissenstatus_t Parcel::writeInt32Array(size_t len, const int32_t *val) { 6265c0106e134366312206702f1b072347e20c90374Marco Nelissen if (!val) { 6275c0106e134366312206702f1b072347e20c90374Marco Nelissen return writeAligned(-1); 6285c0106e134366312206702f1b072347e20c90374Marco Nelissen } 6295c0106e134366312206702f1b072347e20c90374Marco Nelissen status_t ret = writeAligned(len); 6305c0106e134366312206702f1b072347e20c90374Marco Nelissen if (ret == NO_ERROR) { 6315c0106e134366312206702f1b072347e20c90374Marco Nelissen ret = write(val, len * sizeof(*val)); 6325c0106e134366312206702f1b072347e20c90374Marco Nelissen } 6335c0106e134366312206702f1b072347e20c90374Marco Nelissen return ret; 6345c0106e134366312206702f1b072347e20c90374Marco Nelissen} 635f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissenstatus_t Parcel::writeByteArray(size_t len, const uint8_t *val) { 636f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (!val) { 637f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen return writeAligned(-1); 638f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 639f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen status_t ret = writeAligned(len); 640f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (ret == NO_ERROR) { 641f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen ret = write(val, len * sizeof(*val)); 642f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 643f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen return ret; 644f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen} 6457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 6477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 64884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 651f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::writePointer(uintptr_t val) 652f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 65384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return writeAligned<binder_uintptr_t>(val); 654f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 655f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 6567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 6577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 65884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 661cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 662cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 663cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::writeDouble(double val) 664cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 665cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 666cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 667cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 668cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 669cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.d = val; 670cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return writeAligned(u.ll); 671cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 672cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 673cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 674cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 6767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 67784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 67884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 6797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 680cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 681cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 68284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeIntPtr(intptr_t val) 68384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 68484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 6887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 6907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 6937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 695d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 696d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 697d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 698d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 6997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 7007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 7027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 7057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 7077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 7107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 7127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 7187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 7197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 7217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 7237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 7257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 7287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 7307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 7337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 7357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 737a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 7385f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 7391d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 7405f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 7415f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 7425f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 743a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 7445f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 745edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 746a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 7475f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 748edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 749a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 750a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 751edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 752edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 7539d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("write native handle, write dup fd failed"); 754edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 755edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 756a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 7575f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 7585f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 7595f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 76093ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brownstatus_t Parcel::writeFileDescriptor(int fd, bool takeOwnership) 7617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 7637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 7647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 76507fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 7667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 76784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = takeOwnership ? 1 : 0; 7687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 7697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 7727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 773d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown int dupFd = dup(fd); 774d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (dupFd < 0) { 775d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return -errno; 776d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 777d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown status_t err = writeFileDescriptor(dupFd, true /*takeOwnership*/); 778d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (err) { 779d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown close(dupFd); 780d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 781d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return err; 7827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 784cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood// WARNING: This method must stay in sync with 785cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood// Parcelable.Creator<ParcelFileDescriptor> CREATOR 786cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood// in frameworks/base/core/java/android/os/ParcelFileDescriptor.java 787cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwoodstatus_t Parcel::writeParcelFileDescriptor(int fd, int commChannel) { 788cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood status_t status; 789cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood 790cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood if (fd < 0) { 791cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood status = writeInt32(0); // ParcelFileDescriptor is null 792cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood if (status) return status; 793cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood } else { 794cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood status = writeInt32(1); // ParcelFileDescriptor is not null 795cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood if (status) return status; 796cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood status = writeDupFileDescriptor(fd); 797cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood if (status) return status; 798cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood if (commChannel < 0) { 799cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood status = writeInt32(0); // commChannel is null 800cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood if (status) return status; 801cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood } else { 802cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood status = writeInt32(1); // commChannel is not null 803cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood if (status) return status; 804cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood status = writeDupFileDescriptor(commChannel); 805cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood } 806cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood } 807cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood return status; 808cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood} 809cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood 8105707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::writeBlob(size_t len, WritableBlob* outBlob) 8115707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 8125707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status_t status; 8135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 8145707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!mAllowFds || len <= IN_PLACE_BLOB_LIMIT) { 8156807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write in place"); 8165707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = writeInt32(0); 8175707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 8185707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 8195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = writeInplace(len); 8205707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 8215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 8225707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(false /*mapped*/, ptr, len); 8235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 8245707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8255707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 8266807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write to ashmem"); 8275707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = ashmem_create_region("Parcel Blob", len); 8285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd < 0) return NO_MEMORY; 8295707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 8305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE); 8315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 832ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 8335707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 8345707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); 8355707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (ptr == MAP_FAILED) { 8365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = -errno; 8375707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 8385707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown result = ashmem_set_prot_region(fd, PROT_READ); 8395707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 840ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 8415707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 8425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = writeInt32(1); 8435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 84493ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status = writeFileDescriptor(fd, true /*takeOwnership*/); 8455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 8465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(true /*mapped*/, ptr, len); 8475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 8485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(ptr, len); 8535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::close(fd); 8555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return status; 8565707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 8575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 858e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::write(const FlattenableHelperInterface& val) 85998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 86098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 86198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 86298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 863e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t len = val.getFlattenedSize(); 864e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t fd_count = val.getFdCount(); 86598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 86698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 86798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 86898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 86998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 87098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 87198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 87298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 873e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian void* const buf = this->writeInplace(PAD_SIZE(len)); 87498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 87598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 87698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 87798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 87898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 87998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 88098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 88198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 88298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 88398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 88498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 88598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 88698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 88798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 88898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 88998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 89098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 89198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 89298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 89398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 8947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 8957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 8977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 8987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 8997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 9007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 9017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to write meta-data? 90384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (nullMetaData || val.binder != 0) { 9047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[mObjectsSize] = mDataPos; 9057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(ProcessState::self(), val, this); 9067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 9077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 9107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 9118938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 9128938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 9138938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 9147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 9157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 9187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 9217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 9227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 9237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 9257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 92684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 9277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 9287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 9297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 9307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 9337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 935837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 936837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 937837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return writeInt32(0); 938837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 939837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 9406f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::remove(size_t /*start*/, size_t /*amt*/) 9417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 9437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 9467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9475b61ad2cda8ec8ab634ce02f388bb2d3c5ab048dKenny Root if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize 9485b61ad2cda8ec8ab634ce02f388bb2d3c5ab048dKenny Root && len <= PAD_SIZE(len)) { 9497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 9507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 9516807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("read Setting data pos of %p to %d\n", this, mDataPos); 9527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 9557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 9587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9595b61ad2cda8ec8ab634ce02f388bb2d3c5ab048dKenny Root if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize 9605b61ad2cda8ec8ab634ce02f388bb2d3c5ab048dKenny Root && len <= PAD_SIZE(len)) { 9617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 9627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 9636807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readInplace Setting data pos of %p to %d\n", this, mDataPos); 9647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 9657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 9677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 96984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 97084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 97184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 97284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 97384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 9747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 97584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 97684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 9777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 9797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 9807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 98384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 98484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 98584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 98684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 98784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 98884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 98984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 99084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 99184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 99284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 99384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 99484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 99584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 99684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 99784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 99884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 99984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 100084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 100184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 100284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 100384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 100484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 100584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 100684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 100784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 100884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 100984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 101084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 101184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 101284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 10137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 10147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 101584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 10167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 10207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 102184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 10227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 10267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 102784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 10287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1030f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::readPointer(uintptr_t *pArg) const 1031f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 103284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg status_t ret; 103384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_uintptr_t ptr; 103484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg ret = readAligned(&ptr); 103584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!ret) 103684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *pArg = ptr; 103784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return ret; 1038f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1039f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1040f683e0163a84d93448b9388126902242367cd961Serban Constantinescuuintptr_t Parcel::readPointer() const 1041f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 104284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return readAligned<binder_uintptr_t>(); 1043f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1044f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1045f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 10467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 10477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 104884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 10497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 10537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 105484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 10557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1057cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 1058cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 10597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 10607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1061cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1062cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1063cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1064cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 10652c68d380c9ef765a7d46e5a4735f39e6c27849f2Narayan Kamath u.d = 0; 1066cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status_t status; 1067cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status = readAligned(&u.ll); 1068cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung *pArg = u.d; 1069cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return status; 10707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1072cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungdouble Parcel::readDouble() const 1073cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1074cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1075cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1076cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1077cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1078cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.ll = readAligned<unsigned long long>(); 1079cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return u.d; 1080cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 1081cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1082cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 1083cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1084cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::readDouble(double *pArg) const 1085cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1086cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return readAligned(pArg); 1087cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 10887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 10907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 109184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 109284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 109384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1094cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 1095cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 109684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 109784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 109884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 109984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 110084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 110184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 110284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 110384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 110484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 11057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 11097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 11117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 11127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 11137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 11147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 11157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 11167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 11177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len+1); 11186807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readCString Setting data pos of %p to %d\n", this, mDataPos); 11197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 11207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 11237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 11267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 11287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 11297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 11307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 11317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 11327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 11347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 11377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 11397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 11407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 1141e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Reading a NULL string not supported here."); 11427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 11437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 11467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 11487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 11497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 11507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 11517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 11527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 11537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 11547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 11577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 11587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 11617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 11637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 11647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 11657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 11687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 11707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 11717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 11727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1174837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 1175837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 1176837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick int32_t exception_code = readAligned<int32_t>(); 1177d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick if (exception_code == EX_HAS_REPLY_HEADER) { 11781ba24574b2debd3ca012adbbd77f12bed4f2d266Magnus Strandberg int32_t header_start = dataPosition(); 1179d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick int32_t header_size = readAligned<int32_t>(); 1180d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // Skip over fat responses headers. Not used (or propagated) in 1181d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // native code 11821ba24574b2debd3ca012adbbd77f12bed4f2d266Magnus Strandberg setDataPosition(header_start + header_size); 1183d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // And fat response headers are currently only used when there are no 1184d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // exceptions, so return no error: 1185d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick return 0; 1186d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick } 1187837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return exception_code; 1188837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 11895f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1190a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 11915f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 11925f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 11935f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 11945f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 11955f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 11965f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 11975f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 11985f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1199a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 12005f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1201360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 12025f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 12035f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 12045f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 12055f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1206a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1207a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 12085f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 12095f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 12105f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 12115f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 12125f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 12135f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 12147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 12157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 12177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 12187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 12197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: 1220a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Returning file descriptor %ld from parcel %p\n", flat->handle, this); 12217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flat->handle; 12227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 12257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1227cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood// WARNING: This method must stay in sync with writeToParcel() 1228cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood// in frameworks/base/core/java/android/os/ParcelFileDescriptor.java 1229cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwoodint Parcel::readParcelFileDescriptor(int& outCommChannel) const { 1230cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood int fd; 1231cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood outCommChannel = -1; 1232cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood 1233cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood if (readInt32() == 0) { 1234cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood fd = -1; 1235cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood } else { 1236cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood fd = readFileDescriptor(); 1237cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood if (fd >= 0 && readInt32() != 0) { 1238cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood outCommChannel = readFileDescriptor(); 1239cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood } 1240cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood } 1241cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood return fd; 1242cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood} 1243cbe36fe1ec21e22e6649d47144c91260ba51d753Mike Lockwood 12445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const 12455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 12465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int32_t useAshmem; 12475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status_t status = readInt32(&useAshmem); 12485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 12495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 12505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!useAshmem) { 12516807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read in place"); 12525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown const void* ptr = readInplace(len); 12535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return BAD_VALUE; 12545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 12555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(false /*mapped*/, const_cast<void*>(ptr), len); 12565707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 12575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 12585707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 12596807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read from ashmem"); 12605707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = readFileDescriptor(); 12615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd == int(BAD_TYPE)) return BAD_VALUE; 12625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 12635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0); 12645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 12655707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 12665707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(true /*mapped*/, ptr, len); 12675707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 12685707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 12695707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1270e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::read(FlattenableHelperInterface& val) const 127198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 127298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 127398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 127498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 127598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 127698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1277e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian void const* const buf = this->readInplace(PAD_SIZE(len)); 127898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 127998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 128098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 128198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 128298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 128398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 128498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 128598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 128698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 128798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 128898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds[i] = dup(this->readFileDescriptor()); 1289abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang if (fds[i] < 0) { 1290abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang err = BAD_VALUE; 1291abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang ALOGE("dup() failed in Parcel::read, i is %d, fds[i] is %d, fd_count is %d, error: %s", 1292abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang i, fds[i], fd_count, strerror(errno)); 1293abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang } 129498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 129598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 129698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 129798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 129898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 129998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 130098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 130198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 130298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 130398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 130498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 130598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 13097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 13107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 13117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 13127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 131384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!nullMetaData && (obj->cookie == 0 && obj->binder == 0)) { 13145f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 13157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 13167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 13176807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 13187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 13197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 132284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const OBJS = mObjects; 13237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 13247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 13257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 13276807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel %p looking for obj at %d, hint=%d\n", 13287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 13297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 13317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 13327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 13337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 13347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 13357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 13387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 13407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 13416807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel found obj %d at index %d with forward search", 13427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 13437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 13446807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 13457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 13467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 13497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 13507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 13517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 13537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 13546807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel found obj %d at index %d with backward search", 13557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 13567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 13576807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 13587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 13597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13616f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGW("Attempt to read object from Parcel %p at offset %zu that is not in the object list", 13627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 13637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 13657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 13687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 13707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 1371a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Closing file descriptors for %d objects...", mObjectsSize); 13727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 13747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 13757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 13777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 1378a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Closing fd: %ld\n", flat->handle); 13797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 13807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 138484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcData() const 13857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 138684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mData); 13877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 13907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 13927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 139484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcObjects() const 13957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 139684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mObjects); 13977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 14007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 14027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 140584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 14067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14076f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t minOffset = 0; 14087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 14097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 14107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 14117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 1412a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("setDataReference Setting data size of %p to %lu (pid=%d)\n", this, mDataSize, getpid()); 14137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 14146807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("setDataReference Setting data pos of %p to %d\n", this, mDataPos); 141584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg mObjects = const_cast<binder_size_t*>(objects); 14167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 14177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 14187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 14197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 1420f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg for (size_t i = 0; i < mObjectsSize; i++) { 14216f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t offset = mObjects[i]; 1422f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg if (offset < minOffset) { 14236f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg ALOGE("%s: bad object offset %"PRIu64" < %"PRIu64"\n", 14246f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg __func__, (uint64_t)offset, (uint64_t)minOffset); 1425f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg mObjectsSize = 0; 1426f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg break; 1427f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 1428f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg minOffset = offset + sizeof(flat_binder_object); 1429f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 14307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 14317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14336f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::print(TextOutput& to, uint32_t /*flags*/) const 14347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 14367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 14387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 14396f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross to << "Error: " << (void*)(intptr_t)err << " \"" << strerror(-err) << "\""; 14407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 14417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 14427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 144384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* OBJS = objects(); 14447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 14457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 14467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 14477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 14487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 14497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 14507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 14517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 14537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 14547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 14577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 14607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 14627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 14637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 146484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 14657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 14667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 14677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 14687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 14697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 14707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 14747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 14767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 14777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 147884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 14797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 14807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 14817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 14827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 14837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 14847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 14887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 14907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 14917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 14947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 1496a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 14977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 14987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 14997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 15007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) free(mData); 15017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 15027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 15067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 15087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 15097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 15107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 15117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 15147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 15167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 15177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 15187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 15217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 15227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 15277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 15297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 15307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 15317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 15346807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("restartWrite Setting data size of %p to %d\n", this, mDataSize); 15356807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("restartWrite Setting data pos of %p to %d\n", this, mDataPos); 15367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 15387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 15397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 15407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 15417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 15427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 15438938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 15447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 15467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 15497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 15517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 15527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 15537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 15547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 15557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 15567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 15577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 15587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 15597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 15607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 15617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 15667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 15677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 15687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 15697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 15707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 15737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 15747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 15757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 15767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 157984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = NULL; 15807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 158284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg objects = (binder_size_t*)malloc(objectsSize*sizeof(binder_size_t)); 15837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 15843f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim free(data); 15853f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 15867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 15917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 15927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 15937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 15947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 15957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 15967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 15997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 16007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 160284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg memcpy(objects, mObjects, objectsSize*sizeof(binder_size_t)); 16037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1604a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 16057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 16067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 16077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 16097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 16107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 16116807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 16127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 16137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 16147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 16157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 16177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 16187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 16197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 16207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 16217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 16227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 16237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 16247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 16257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 16267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 16287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 162984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = 163084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, objectsSize*sizeof(binder_size_t)); 16317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 16327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 16337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 16357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 16367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 16397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 16407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 16417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 16427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 16437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 16447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 16457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 16467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 16477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 164997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 165097e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 16516807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 165297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 16537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 16547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 16556807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 16567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 16607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 16617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 16627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 16637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 16647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 16657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16663f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 16677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 16687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 16696f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("continueWrite: %zu/%p/%zu/%zu", mDataCapacity, mObjects, mObjectsCapacity, desired); 16707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 16737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 16746807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 16756807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 16767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 16777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 16807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 16837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 16857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 16867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 16877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 16887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 16896807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("initState Setting data size of %p to %d\n", this, mDataSize); 16906807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("initState Setting data pos of %p to %d\n", this, mDataPos); 16917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 16927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 16937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 16947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 16957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 16967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 16978938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 16987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 16997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 17027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 17047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 17057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 17067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 17077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 17087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 17097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 17107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 17137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 17147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17165707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// --- Parcel::Blob --- 17175707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 17185707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::Blob() : 17195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped(false), mData(NULL), mSize(0) { 17205707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 17215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 17225707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::~Blob() { 17235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown release(); 17245707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 17255707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 17265707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::release() { 17275707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (mMapped && mData) { 17285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(mData, mSize); 17295707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 17305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown clear(); 17315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 17325707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 17335707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::init(bool mapped, void* data, size_t size) { 17345707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped = mapped; 17355707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = data; 17365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = size; 17375707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 17385707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 17395707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::clear() { 17405707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped = false; 17415707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = NULL; 17425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = 0; 17435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 17445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 17457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 1746