Parcel.cpp revision 07fd0f195db6d341cab4e54257f508d802c98832
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 28002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <utils/Debug.h> 297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/misc.h> 3398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian#include <utils/Flattenable.h> 345707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <cutils/ashmem.h> 357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 36208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdio.h> 397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdlib.h> 407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdint.h> 415707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <sys/mman.h> 427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 489f760150f6e0f39b9923cfdc875373606839ee00Steve Block//#define LOG_REFS(...) ALOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define PAD_SIZE(s) (((s)+3)&~3) 537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 54a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER 55a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick#define STRICT_MODE_PENALTY_GATHER 0x100 56a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 57d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick// Note: must be kept in sync with android/os/Parcel.java's EX_HAS_REPLY_HEADER 58d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick#define EX_HAS_REPLY_HEADER -128 59d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick 605707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// Maximum size of a blob to transfer in-place. 615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatic const size_t IN_PLACE_BLOB_LIMIT = 40 * 1024; 625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 8084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->incStrong(who); 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 8584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // intentionally blank -- nothing to do to acquire this, but we do 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // recognize it as a legitimate object type. 1037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1076f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGD("Invalid object type 0x%08x", obj.type); 1087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid release_object(const sp<ProcessState>& proc, 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 11784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->decStrong(who); 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 12284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 13884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (obj.cookie != 0) close(obj.handle); 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1436f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("Invalid object type 0x%08x", obj.type); 1447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 1476f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const sp<IBinder>& /*binder*/, const flat_binder_object& flat, Parcel* out) 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1526f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 1627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 163e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 16707fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 16984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 17284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(local->getWeakRefs()); 17384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(local); 1747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 17784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 17884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 1797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 1827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1846f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 1857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 1867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 1927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 1937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 1947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 1967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 197e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 1987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 20107fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 20384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 20684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(binder.get_refs()); 20784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(binder.unsafe_get()); 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 219e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Unable to unflatten Binder weak reference!"); 2207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 22184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 22284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 22784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 22884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2346f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross BpBinder* /*proxy*/, const flat_binder_object& /*flat*/, 2356f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const Parcel& /*in*/) 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 24884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 2547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 26784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 27084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (flat->binder != 0) { 2717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 27284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(flat->cookie), 27384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(flat->binder)); 2747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 2937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 2987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 3357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 3376807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("setDataSize Setting data size of %p to %d\n", this, mDataSize); 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 35097e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 3517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 3557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 3577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 3597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 3607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 3617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 36551faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 3667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 36951faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 37084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t *objects = parcel->mObjects; 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 3727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 3897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((off >= offset) && (off < offset + len)) { 3907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 3917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 3927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 3947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 3977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 39897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 39997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 40097e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 40197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 40297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 40397e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 4047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 4077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 4097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 4107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4118938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 4128938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 4147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int newSize = ((mObjectsSize + numObjects)*3)/2; 41784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t *objects = 41884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 41984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (objects == (binder_size_t*)0) { 4207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 4217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 4287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 4297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 4307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 4317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 4327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4338af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 4347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 4357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 4367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 4388af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 4398af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 4408af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 4418af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 44284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg flat->cookie = 1; 4437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 4448938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 4458938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 4468938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 4477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4518938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 4528938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 4538938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4547746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornbool Parcel::pushAllowFds(bool allowFds) 4558938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 4568938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 4577746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn if (!allowFds) { 4587746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = false; 4597746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn } 4608938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 4617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4637746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornvoid Parcel::restoreAllowFds(bool lastValue) 4647746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn{ 4657746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = lastValue; 4667746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn} 4677746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn 4687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 4697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 4717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 4727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 4747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 476702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 4777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 4787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 479a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 480a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 4817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 4827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 4837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 48583c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 48683c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 487702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 48883c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 48983c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 490a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 49170081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 4927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 49370081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 49470081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 49570081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 496a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 4975273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 4985273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 4995273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 5005273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 5015273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 5025273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 5035273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 5045273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 5055273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 5065273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 50783c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 5087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 5097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 5107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 51132397c1cd3327905173b36baa6fd1c579bc328ffSteve Block ALOGW("**** enforceInterface() expected '%s' but read '%s'\n", 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 5137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 5147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 515702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 5167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 51784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågconst binder_size_t* Parcel::objects() const 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 5237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 5257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 5337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 5357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 5387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 5407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 5416807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("finishWrite Setting data pos of %p to %d\n", this, mDataPos); 5427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 5437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 5446807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("finishWrite Setting data size of %p to %d\n", this, mDataSize); 5457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 5517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 5537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 5547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 5557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 5567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 5597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 5617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 5627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 5657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 5677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 5707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 5727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 5747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 5807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t padded = PAD_SIZE(len); 5827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 5857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 5867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 5897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 5917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 5927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 5947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 5957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 5967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 5987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 5997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 6007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 6017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 6027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 6037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 6047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 6057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 6067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 6077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 6087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 6157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 6177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 6207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 62184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 623708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissenstatus_t Parcel::writeInt32Array(size_t len, const int32_t *val) { 624708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen if (!val) { 625708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen return writeAligned(-1); 626708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen } 627708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen status_t ret = writeAligned(len); 628708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen if (ret == NO_ERROR) { 629708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen ret = write(val, len * sizeof(*val)); 630708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen } 631708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen return ret; 632708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen} 6337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 6357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 63684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 639f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::writePointer(uintptr_t val) 640f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 64184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return writeAligned<binder_uintptr_t>(val); 642f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 643f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 6447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 6457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 64684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 649cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 650cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 651cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::writeDouble(double val) 652cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 653cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 654cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 655cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 656cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 657cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.d = val; 658cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return writeAligned(u.ll); 659cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 660cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 661cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 662cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 6637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 6647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 66584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 66684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 6677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 668cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 669cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 67084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeIntPtr(intptr_t val) 67184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 67284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 6767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 6787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 6817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 683d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 684d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 685d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 686d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 6877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 6887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 6937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 6957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 6987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 7007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 7027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 7037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 7047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 7057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 7067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 7077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 7087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 7097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 7117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 7137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 7187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 7217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 7237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 725a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 7265f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 7271d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 7285f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 7295f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 7305f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 731a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 7325f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 733edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 734a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 7355f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 736edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 737a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 738a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 739edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 740edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 7419d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("write native handle, write dup fd failed"); 742edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 743edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 744a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 7455f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 7465f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 7475f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 74893ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brownstatus_t Parcel::writeFileDescriptor(int fd, bool takeOwnership) 7497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 7517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 7527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 75307fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 7547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 75584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = takeOwnership ? 1 : 0; 7567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 7577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 7607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 761d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown int dupFd = dup(fd); 762d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (dupFd < 0) { 763d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return -errno; 764d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 765d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown status_t err = writeFileDescriptor(dupFd, true /*takeOwnership*/); 766d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (err) { 767d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown close(dupFd); 768d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 769d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return err; 7707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7725707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::writeBlob(size_t len, WritableBlob* outBlob) 7735707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 7745707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status_t status; 7755707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7765707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!mAllowFds || len <= IN_PLACE_BLOB_LIMIT) { 7776807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write in place"); 7785707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = writeInt32(0); 7795707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 7805707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7815707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = writeInplace(len); 7825707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 7835707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7845707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(false /*mapped*/, ptr, len); 7855707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 7865707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 7875707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7886807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write to ashmem"); 7895707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = ashmem_create_region("Parcel Blob", len); 7905707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd < 0) return NO_MEMORY; 7915707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7925707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE); 7935707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 794ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 7955707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 7965707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); 7975707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (ptr == MAP_FAILED) { 7985707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = -errno; 7995707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 8005707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown result = ashmem_set_prot_region(fd, PROT_READ); 8015707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 802ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 8035707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 8045707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = writeInt32(1); 8055707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 80693ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status = writeFileDescriptor(fd, true /*takeOwnership*/); 8075707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 8085707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(true /*mapped*/, ptr, len); 8095707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 8105707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8115707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8125707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8145707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(ptr, len); 8155707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8165707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::close(fd); 8175707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return status; 8185707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 8195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 820e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::write(const FlattenableHelperInterface& val) 82198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 82298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 82398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 82498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 825e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t len = val.getFlattenedSize(); 826e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t fd_count = val.getFdCount(); 82798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 82898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 82998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 83098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 83198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 83298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 83398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 83498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 835e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian void* const buf = this->writeInplace(PAD_SIZE(len)); 83698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 83798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 83898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 83998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 84098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 84198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 84298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 84398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 84498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 84598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 84698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 84798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 84898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 84998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 85098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 85198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 85298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 85398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 85498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 85598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 8567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 8577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 8597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 8607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 8617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 8627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 8637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to write meta-data? 86584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (nullMetaData || val.binder != 0) { 8667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[mObjectsSize] = mDataPos; 8677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(ProcessState::self(), val, this); 8687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 8697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 8727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 8738938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 8748938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 8758938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 8767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 8777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 8807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 8837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 8847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 8857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 8877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 88884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 8897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 8907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 8917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 8927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 8957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 897837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 898837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 899837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return writeInt32(0); 900837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 901837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 9026f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::remove(size_t /*start*/, size_t /*amt*/) 9037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 9057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 9087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 9107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 9117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 9126807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("read Setting data pos of %p to %d\n", this, mDataPos); 9137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 9167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 9197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 9217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 9227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 9236807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readInplace Setting data pos of %p to %d\n", this, mDataPos); 9247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 9257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 9277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 92984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 93084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 93184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 93284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 93384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 9347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 93584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 93684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 9377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 9397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 9407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 94384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 94484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 94584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 94684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 94784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 94884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 94984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 95084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 95184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 95284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 95384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 95484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 95584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 95684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 95784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 95884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 95984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 96084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 96184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 96284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 96384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 96484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 96584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 96684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 96784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 96884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 96984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 97084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 97184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 97284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 9737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 9747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 97584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 9767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 9807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 98184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 9827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 9867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 98784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 9887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 990f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::readPointer(uintptr_t *pArg) const 991f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 99284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg status_t ret; 99384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_uintptr_t ptr; 99484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg ret = readAligned(&ptr); 99584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!ret) 99684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *pArg = ptr; 99784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return ret; 998f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 999f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1000f683e0163a84d93448b9388126902242367cd961Serban Constantinescuuintptr_t Parcel::readPointer() const 1001f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 100284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return readAligned<binder_uintptr_t>(); 1003f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1004f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1005f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 10067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 10077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 100884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 10097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 10137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 101484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 10157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1017cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 1018cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 10197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 10207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1021cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1022cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1023cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1024cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1025cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status_t status; 1026cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status = readAligned(&u.ll); 1027cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung *pArg = u.d; 1028cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return status; 10297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1031cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungdouble Parcel::readDouble() const 1032cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1033cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1034cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1035cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1036cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1037cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.ll = readAligned<unsigned long long>(); 1038cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return u.d; 1039cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 1040cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1041cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 1042cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1043cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::readDouble(double *pArg) const 1044cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1045cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return readAligned(pArg); 1046cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 10477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 10497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 105084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 105184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 105284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1053cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 1054cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 105584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 105684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 105784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 105884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 105984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 106084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 106184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 106284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 106384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 10647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 10687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 10707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 10717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 10727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 10737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 10747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 10757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 10767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len+1); 10776807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readCString Setting data pos of %p to %d\n", this, mDataPos); 10787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 10797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 10827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 10857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 10877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 10887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 10897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 10907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 10917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 10937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 10967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 10987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 10997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 1100e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Reading a NULL string not supported here."); 11017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 11027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 11057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 11077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 11087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 11097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 11107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 11117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 11127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 11137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 11167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 11177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 11207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 11227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 11237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 11247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 11277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 11297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 11307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 11317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1133837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 1134837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 1135837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick int32_t exception_code = readAligned<int32_t>(); 1136d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick if (exception_code == EX_HAS_REPLY_HEADER) { 11371ba24574b2debd3ca012adbbd77f12bed4f2d266Magnus Strandberg int32_t header_start = dataPosition(); 1138d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick int32_t header_size = readAligned<int32_t>(); 1139d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // Skip over fat responses headers. Not used (or propagated) in 1140d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // native code 11411ba24574b2debd3ca012adbbd77f12bed4f2d266Magnus Strandberg setDataPosition(header_start + header_size); 1142d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // And fat response headers are currently only used when there are no 1143d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // exceptions, so return no error: 1144d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick return 0; 1145d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick } 1146837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return exception_code; 1147837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 11485f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1149a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 11505f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 11515f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 11525f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 11535f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 11545f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 11555f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 11565f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 11575f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1158a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 11595f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1160360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 11615f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 11625f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 11635f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 11645f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1165a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1166a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 11675f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 11685f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 11695f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 11705f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 11715f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 11725f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 11737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 11747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 11767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 11777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 11787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: 1179a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Returning file descriptor %ld from parcel %p\n", flat->handle, this); 11807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flat->handle; 11817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 11847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11865707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const 11875707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 11885707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int32_t useAshmem; 11895707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status_t status = readInt32(&useAshmem); 11905707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 11915707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11925707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!useAshmem) { 11936807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read in place"); 11945707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown const void* ptr = readInplace(len); 11955707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return BAD_VALUE; 11965707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11975707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(false /*mapped*/, const_cast<void*>(ptr), len); 11985707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11995707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 12005707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 12016807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read from ashmem"); 12025707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = readFileDescriptor(); 12035707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd == int(BAD_TYPE)) return BAD_VALUE; 12045707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 12055707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0); 12065707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 12075707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 12085707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(true /*mapped*/, ptr, len); 12095707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 12105707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 12115707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1212e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::read(FlattenableHelperInterface& val) const 121398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 121498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 121598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 121698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 121798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 121898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1219e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian void const* const buf = this->readInplace(PAD_SIZE(len)); 122098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 122198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 122298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 122398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 122498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 122598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 122698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 122798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 122898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 122998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 123098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds[i] = dup(this->readFileDescriptor()); 123198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fds[i] < 0) err = BAD_VALUE; 123298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 123398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 123498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 123598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 123698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 123798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 123898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 123998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 124098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 124198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 124298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 124398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 12447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 12457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 12477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 12487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 12497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 12507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 125184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!nullMetaData && (obj->cookie == 0 && obj->binder == 0)) { 12525f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 12537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 12547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 12556807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 12567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 12577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 126084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const OBJS = mObjects; 12617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 12627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 12637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 12656807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel %p looking for obj at %d, hint=%d\n", 12667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 12677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 12697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 12707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 12717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 12727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 12737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 12757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 12767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 12787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 12796807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel found obj %d at index %d with forward search", 12807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 12817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 12826807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 12837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 12847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 12877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 12887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 12897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 12917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 12926807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel found obj %d at index %d with backward search", 12937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 12947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 12956807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 12967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 12977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12996f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGW("Attempt to read object from Parcel %p at offset %zu that is not in the object list", 13007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 13017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 13037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 1309a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Closing file descriptors for %d objects...", mObjectsSize); 13107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 13127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 13137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 13157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 1316a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Closing fd: %ld\n", flat->handle); 13177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 13187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 132284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcData() const 13237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 132484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mData); 13257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 13287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 13307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 133284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcObjects() const 13337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 133484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mObjects); 13357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 13387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 13407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 134384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 13447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 13467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 13477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 13487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 1349a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("setDataReference Setting data size of %p to %lu (pid=%d)\n", this, mDataSize, getpid()); 13507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 13516807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("setDataReference Setting data pos of %p to %d\n", this, mDataPos); 135284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg mObjects = const_cast<binder_size_t*>(objects); 13537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 13547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 13557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 13567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 13577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 13587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13606f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::print(TextOutput& to, uint32_t /*flags*/) const 13617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 13637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 13657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 13666f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross to << "Error: " << (void*)(intptr_t)err << " \"" << strerror(-err) << "\""; 13677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 13687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 13697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 137084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* OBJS = objects(); 13717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 13727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 13737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 13757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 13767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 13777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 13787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 13817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 13847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 13877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 13897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 13907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 139184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 13927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 13937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 13947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 13967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 13977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 14017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 14037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 14047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 140584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 14067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 14077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 14087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 14097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 14107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 14117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 14157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 14177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 14187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 14217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 1423a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 14247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 14257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 14267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 14277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) free(mData); 14287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 14297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 14337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 14357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 14367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 14377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 14387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 14417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 14437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 14447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 14457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 14487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 14497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 14507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 14517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 14547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 14567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 14577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 14587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 14616807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("restartWrite Setting data size of %p to %d\n", this, mDataSize); 14626807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("restartWrite Setting data pos of %p to %d\n", this, mDataPos); 14637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 14657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 14667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 14677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 14687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 14697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 14708938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 14717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 14737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 14767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 14787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 14797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 14807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 14817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 14827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 14837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 14847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 14857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 14867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 14877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 14887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 14937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 14947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 14957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 14967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 14977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 15007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 15017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 15027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 15037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 150684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = NULL; 15077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 150984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg objects = (binder_size_t*)malloc(objectsSize*sizeof(binder_size_t)); 15107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 15113f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim free(data); 15123f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 15137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 15187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 15197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 15207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 15217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 15227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 15237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 15267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 15277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 152984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg memcpy(objects, mObjects, objectsSize*sizeof(binder_size_t)); 15307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1531a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 15327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 15337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 15347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 15367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 15377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 15386807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 15397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 15407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 15417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 15427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 15447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 15457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 15467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 15477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 15487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 15497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 15507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 15517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 15527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 15537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 15557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 155684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = 155784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, objectsSize*sizeof(binder_size_t)); 15587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 15597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 15607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 15627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 15637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 15667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 15677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 15687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 15697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 15707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 15717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 15727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 157697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 157797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 15786807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 157997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 15807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 15817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 15826807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 15837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 15877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 15887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 15897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 15907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15933f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 15947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 15957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 15966f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("continueWrite: %zu/%p/%zu/%zu", mDataCapacity, mObjects, mObjectsCapacity, desired); 15977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 16007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 16016807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 16026807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 16037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 16047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 16077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 16107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 16127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 16137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 16147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 16157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 16166807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("initState Setting data size of %p to %d\n", this, mDataSize); 16176807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("initState Setting data pos of %p to %d\n", this, mDataPos); 16187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 16197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 16207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 16217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 16227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 16237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 16248938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 16257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 16267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 16297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 16317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 16327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 16337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 16347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 16357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 16367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 16377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 16407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 16417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// --- Parcel::Blob --- 16445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::Blob() : 16465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped(false), mData(NULL), mSize(0) { 16475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::~Blob() { 16505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown release(); 16515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::release() { 16545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (mMapped && mData) { 16555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(mData, mSize); 16565707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 16575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown clear(); 16585707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16595707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16605707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::init(bool mapped, void* data, size_t size) { 16615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped = mapped; 16625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = data; 16635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = size; 16645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16655707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16665707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::clear() { 16675707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped = false; 16685707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = NULL; 16695707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = 0; 16705707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16715707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 1673