Parcel.cpp revision f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30d
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 38f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg#include <inttypes.h> 397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdio.h> 407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdlib.h> 417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdint.h> 425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <sys/mman.h> 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 499f760150f6e0f39b9923cfdc875373606839ee00Steve Block//#define LOG_REFS(...) ALOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define PAD_SIZE(s) (((s)+3)&~3) 547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 55a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER 56a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick#define STRICT_MODE_PENALTY_GATHER 0x100 57a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 58d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick// Note: must be kept in sync with android/os/Parcel.java's EX_HAS_REPLY_HEADER 59d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick#define EX_HAS_REPLY_HEADER -128 60d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick 615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// Maximum size of a blob to transfer in-place. 625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatic const size_t IN_PLACE_BLOB_LIMIT = 40 * 1024; 635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(obj.cookie)->incStrong(who); 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // intentionally blank -- nothing to do to acquire this, but we do 1037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // recognize it as a legitimate object type. 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1089d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("Invalid object type 0x%08lx", obj.type); 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid release_object(const sp<ProcessState>& proc, 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(obj.cookie)->decStrong(who); 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.cookie != (void*)0) close(obj.handle); 1407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 144e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Invalid object type 0x%08lx", obj.type); 1457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, const flat_binder_object& flat, Parcel* out) 1497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t flatten_binder(const sp<ProcessState>& proc, 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 164e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 1697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = local->getWeakRefs(); 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = local; 1747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 1777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 1787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 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 1847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_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; 2017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = binder.get_refs(); 2067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = binder.unsafe_get(); 2077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 218e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Unable to unflatten Binder weak reference!"); 2197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 2207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 2267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 2277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder* proxy, const flat_binder_object& flat, const Parcel& in) 2347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = static_cast<IBinder*>(flat->cookie); 2477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 2507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = static_cast<IBinder*>(flat->cookie); 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->binder != NULL) { 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 2707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(flat->cookie), 2717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(flat->binder)); 2727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 2747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 2787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 2947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 3356807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("setDataSize Setting data size of %p to %d\n", this, mDataSize); 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 34897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 3537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 3557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 3577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 3587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 3597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 36351faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 3647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 3667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 36751faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 36851faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const size_t *objects = parcel->mObjects; 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 3727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((off >= offset) && (off < offset + len)) { 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 3897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 3907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 3927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 39697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 39797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 39897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 39997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 40097e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 40197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 4027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 4057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 4077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4098938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 4108938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 4127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 4137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 4147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int newSize = ((mObjectsSize + numObjects)*3)/2; 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t *objects = 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project (size_t*)realloc(mObjects, newSize*sizeof(size_t)); 4177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == (size_t*)0) { 4187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 4197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 4217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 4227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 4287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 4297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 4307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4318af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 4327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 4337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 4347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 4368af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 4378af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 4388af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 4398af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 4408af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->cookie = (void*)1; 4417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 4428938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 4438938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 4448938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 4457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4498938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 4508938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 4518938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4527746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornbool Parcel::pushAllowFds(bool allowFds) 4538938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 4548938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 4557746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn if (!allowFds) { 4567746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = false; 4577746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn } 4588938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 4597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4617746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornvoid Parcel::restoreAllowFds(bool lastValue) 4627746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn{ 4637746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = lastValue; 4647746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn} 4657746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn 4667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 4677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 4697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 4707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 4727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 474702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 4757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 4767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 477a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 478a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 4797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 4807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 4817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 48383c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 48483c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 485702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 48683c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 48783c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 488a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 48970081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 4907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 49170081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 49270081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 49370081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 494a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 4955273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 4965273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 4975273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 4985273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 4995273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 5005273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 5015273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 5025273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 5035273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 5045273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 50583c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 5067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 5077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 5087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 50932397c1cd3327905173b36baa6fd1c579bc328ffSteve Block ALOGW("**** enforceInterface() expected '%s' but read '%s'\n", 5107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 5117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 513702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 5147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst size_t* Parcel::objects() const 5167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 5237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 5317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 5337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 5367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 5387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 5396807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("finishWrite Setting data pos of %p to %d\n", this, mDataPos); 5407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 5417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 5426807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("finishWrite Setting data size of %p to %d\n", this, mDataSize); 5437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 5457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 5497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 5517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 5527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 5537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 5547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 5577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 5597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 5607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 5637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 5657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 5687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 5707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 5717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 5727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 5787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t padded = PAD_SIZE(len); 5807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 5827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 5877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 5897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 5907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 5927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 5937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 5947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 5967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 5977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 5987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 5997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 6007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 6017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 6027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 6037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 6047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 6057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 6067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 6097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 6107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 6157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 6187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 61984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 621708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissenstatus_t Parcel::writeInt32Array(size_t len, const int32_t *val) { 622708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen if (!val) { 623708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen return writeAligned(-1); 624708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen } 625708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen status_t ret = writeAligned(len); 626708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen if (ret == NO_ERROR) { 627708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen ret = write(val, len * sizeof(*val)); 628708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen } 629708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen return ret; 630708cc794f6ccd4d31e0a00a23b289272c665adc1Marco Nelissen} 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 6337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 63484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 6387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 63984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 642cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 643cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 644cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::writeDouble(double val) 645cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 646cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 647cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 648cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 649cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 650cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.d = val; 651cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return writeAligned(u.ll); 652cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 653cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 654cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 655cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 6567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 6577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 65884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 65984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 6607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 661cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 662cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 66384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeIntPtr(intptr_t val) 66484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 66584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 6697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 6717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 6747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 676d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 677d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 678d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 679d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 6807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 6817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 6867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 6887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 6917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 6937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 6957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 6967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 6977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 6987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 6997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 7007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 7017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 7027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 7047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 7067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 7097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 7117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 718a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 7195f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 7201d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 7215f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 7225f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 7235f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 724a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 7255f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 726edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 727a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 7285f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 729edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 730a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 731a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 732edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 733edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 7349d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("write native handle, write dup fd failed"); 735edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 736edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 737a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 7385f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 7395f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 7405f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 74193ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brownstatus_t Parcel::writeFileDescriptor(int fd, bool takeOwnership) 7427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 7447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 7457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 7467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 74793ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown obj.cookie = (void*) (takeOwnership ? 1 : 0); 7487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 7497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 7527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 753d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown int dupFd = dup(fd); 754d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (dupFd < 0) { 755d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return -errno; 756d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 757d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown status_t err = writeFileDescriptor(dupFd, true /*takeOwnership*/); 758d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (err) { 759d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown close(dupFd); 760d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 761d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return err; 7627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::writeBlob(size_t len, WritableBlob* outBlob) 7655707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 7665707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status_t status; 7675707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7685707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!mAllowFds || len <= IN_PLACE_BLOB_LIMIT) { 7696807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write in place"); 7705707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = writeInt32(0); 7715707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 7725707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7735707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = writeInplace(len); 7745707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 7755707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7765707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(false /*mapped*/, ptr, len); 7775707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 7785707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 7795707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7806807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write to ashmem"); 7815707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = ashmem_create_region("Parcel Blob", len); 7825707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd < 0) return NO_MEMORY; 7835707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7845707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE); 7855707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 786ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 7875707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 7885707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); 7895707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (ptr == MAP_FAILED) { 7905707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = -errno; 7915707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 7925707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown result = ashmem_set_prot_region(fd, PROT_READ); 7935707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 794ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 7955707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 7965707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = writeInt32(1); 7975707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 79893ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status = writeFileDescriptor(fd, true /*takeOwnership*/); 7995707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 8005707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(true /*mapped*/, ptr, len); 8015707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 8025707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8035707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8045707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8055707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8065707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(ptr, len); 8075707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 8085707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::close(fd); 8095707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return status; 8105707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 8115707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 812e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::write(const FlattenableHelperInterface& val) 81398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 81498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 81598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 81698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 817e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t len = val.getFlattenedSize(); 818e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t fd_count = val.getFdCount(); 81998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 82098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 82198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 82298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 82398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 82498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 82598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 82698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 827e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian void* const buf = this->writeInplace(PAD_SIZE(len)); 82898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 82998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 83098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 83198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 83298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 83398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 83498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 83598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 83698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 83798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 83898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 83998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 84098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 84198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 84298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 84398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 84498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 84598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 84698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 84798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 8487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 8497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 8517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 8527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 8537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 8547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 8557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to write meta-data? 8577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (nullMetaData || val.binder != NULL) { 8587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[mObjectsSize] = mDataPos; 8597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(ProcessState::self(), val, this); 8607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 8617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 8647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 8658938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 8668938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 8678938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 8687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 8697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 8727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 8757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 8767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 8777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 8797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 8807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = (size_t*)realloc(mObjects, newSize*sizeof(size_t)); 8817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 8827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 8837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 8847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 8877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 889837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 890837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 891837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return writeInt32(0); 892837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 893837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 8947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::remove(size_t start, size_t amt) 8957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 8977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 9007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 9027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 9037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 9046807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("read Setting data pos of %p to %d\n", this, mDataPos); 9057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 9087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 9117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 9137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 9147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 9156807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readInplace Setting data pos of %p to %d\n", this, mDataPos); 9167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 9177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 9197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 92184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 92284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 92384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 92484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 92584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 9267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 92784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 92884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 9297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 9317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 9327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 93584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 93684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 93784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 93884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 93984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 94084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 94184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 94284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 94384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 94484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 94584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 94684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 94784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 94884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 94984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 95084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 95184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 95284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 95384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 95484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 95584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 95684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 95784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 95884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 95984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 96084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 96184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 96284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 96384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 96484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 9657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 9667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 96784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 9687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 9727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 97384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 9747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 9787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 97984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 9807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 9837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 98484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 9857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 9897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 99084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 9917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 993cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 994cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 9957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 9967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 997cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 998cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 999cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1000cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1001cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status_t status; 1002cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status = readAligned(&u.ll); 1003cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung *pArg = u.d; 1004cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return status; 10057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1007cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungdouble Parcel::readDouble() const 1008cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1009cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1010cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1011cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1012cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1013cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.ll = readAligned<unsigned long long>(); 1014cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return u.d; 1015cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 1016cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1017cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 1018cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1019cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::readDouble(double *pArg) const 1020cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1021cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return readAligned(pArg); 1022cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 10237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 10257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 102684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 102784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 102884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1029cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 1030cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 103184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 103284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 103384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 103484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 103584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 103684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 103784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 103884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 103984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 10407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 10447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 10467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 10477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 10487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 10497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 10507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 10517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 10527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len+1); 10536807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readCString Setting data pos of %p to %d\n", this, mDataPos); 10547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 10557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 10587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 10617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 10637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 10647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 10657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 10667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 10677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 10697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 10727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 10747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 10757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 1076e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Reading a NULL string not supported here."); 10777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 10787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 10817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 10837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 10847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 10857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 10867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 10877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 10887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 10897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 10927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 10937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 10967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 10987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 10997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 11007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 11037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 11057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 11067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 11077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1109837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 1110837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 1111837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick int32_t exception_code = readAligned<int32_t>(); 1112d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick if (exception_code == EX_HAS_REPLY_HEADER) { 11131ba24574b2debd3ca012adbbd77f12bed4f2d266Magnus Strandberg int32_t header_start = dataPosition(); 1114d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick int32_t header_size = readAligned<int32_t>(); 1115d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // Skip over fat responses headers. Not used (or propagated) in 1116d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // native code 11171ba24574b2debd3ca012adbbd77f12bed4f2d266Magnus Strandberg setDataPosition(header_start + header_size); 1118d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // And fat response headers are currently only used when there are no 1119d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // exceptions, so return no error: 1120d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick return 0; 1121d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick } 1122837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return exception_code; 1123837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 11245f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1125a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 11265f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 11275f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 11285f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 11295f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 11305f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 11315f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 11325f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 11335f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1134a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 11355f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1136360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 11375f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 11385f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 11395f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 11405f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1141a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1142a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 11435f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 11445f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 11455f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 11465f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 11475f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 11485f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 11497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 11507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 11527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 11537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 11547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: 1155a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Returning file descriptor %ld from parcel %p\n", flat->handle, this); 11567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flat->handle; 11577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 11607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const 11635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 11645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int32_t useAshmem; 11655707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status_t status = readInt32(&useAshmem); 11665707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 11675707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11685707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!useAshmem) { 11696807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read in place"); 11705707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown const void* ptr = readInplace(len); 11715707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return BAD_VALUE; 11725707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11735707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(false /*mapped*/, const_cast<void*>(ptr), len); 11745707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11755707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11765707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11776807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read from ashmem"); 11785707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = readFileDescriptor(); 11795707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd == int(BAD_TYPE)) return BAD_VALUE; 11805707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11815707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0); 11825707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 11835707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11845707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(true /*mapped*/, ptr, len); 11855707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11865707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 11875707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1188e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::read(FlattenableHelperInterface& val) const 118998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 119098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 119198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 119298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 119398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 119498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1195e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian void const* const buf = this->readInplace(PAD_SIZE(len)); 119698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 119798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 119898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 119998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 120098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 120198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 120298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 120398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 120498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 120598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 120698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds[i] = dup(this->readFileDescriptor()); 120798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fds[i] < 0) err = BAD_VALUE; 120898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 120998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 121098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 121198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 121298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 121398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 121498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 121598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 121698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 121798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 121898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 121998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 12207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 12217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 12237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 12247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 12257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 12267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 12277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!nullMetaData && (obj->cookie == NULL && obj->binder == NULL)) { 12285f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 12297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 12307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 12316807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 12327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 12337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 12367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const OBJS = mObjects; 12377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 12387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 12397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 12416807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel %p looking for obj at %d, hint=%d\n", 12427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 12437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 12457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 12467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 12477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 12487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 12497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 12517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 12527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 12547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 12556807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel found obj %d at index %d with forward search", 12567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 12577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 12586807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 12597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 12607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 12637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 12647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 12657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 12677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 12686807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel found obj %d at index %d with backward search", 12697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 12707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 12716807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 12727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 12737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 127532397c1cd3327905173b36baa6fd1c579bc328ffSteve Block ALOGW("Attempt to read object from Parcel %p at offset %d that is not in the object list", 12767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 12777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 12797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 12827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 12847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 1285a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Closing file descriptors for %d objects...", mObjectsSize); 12867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 12887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 12897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 12907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 12917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 1292a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Closing fd: %ld\n", flat->handle); 12937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 12947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::ipcData() const 12997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 13017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 13047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst size_t* Parcel::ipcObjects() const 13097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 13117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 13147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 13167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 13197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 13207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1321f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg binder_size_t minOffset = 0; 13227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 13237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 13247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 13257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 1326a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("setDataReference Setting data size of %p to %lu (pid=%d)\n", this, mDataSize, getpid()); 13277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 13286807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("setDataReference Setting data pos of %p to %d\n", this, mDataPos); 13297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = const_cast<size_t*>(objects); 13307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 13317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 13327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 13337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 1334f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg for (size_t i = 0; i < mObjectsSize; i++) { 1335f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg binder_size_t offset = mObjects[i]; 1336f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg if (offset < minOffset) { 1337f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg ALOGE("%s: bad object offset %"PRIu64" < %"PRIu64"\n", 1338f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg __func__, (uint64_t)offset, (uint64_t)minOffset); 1339f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg mObjectsSize = 0; 1340f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg break; 1341f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 1342f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg minOffset = offset + sizeof(flat_binder_object); 1343f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 13447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 13457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::print(TextOutput& to, uint32_t flags) const 13487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 13507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 13527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 13537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Error: " << (void*)err << " \"" << strerror(-err) << "\""; 13547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 13557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 13567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 13577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t* OBJS = objects(); 13587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 13597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 13607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 13627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 13637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 13647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 13657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 13687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 13717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 13747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 13767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 13777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 13787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const objects = mObjects; 13797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 13807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 13817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 13837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 13847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 13887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 13907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 13917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 13927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const objects = mObjects; 13937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 13947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 13957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 13977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 13987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 14027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 14047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 14057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 14087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 1410a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 14117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 14127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 14137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 14147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) free(mData); 14157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 14167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 14207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 14227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 14237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 14247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 14257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 14287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 14307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 14317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 14327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 14357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 14367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 14377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 14387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 14417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 14437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 14447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 14457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 14486807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("restartWrite Setting data size of %p to %d\n", this, mDataSize); 14496807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("restartWrite Setting data pos of %p to %d\n", this, mDataPos); 14507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 14527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 14537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 14547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 14557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 14567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 14578938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 14587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 14607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 14637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 14657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 14667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 14677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 14687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 14697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 14707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 14717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 14727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 14737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 14747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 14757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 14807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 14817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 14827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 14837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 14847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 14877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 14887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 14897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 14907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 14917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 14927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = NULL; 14947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 14967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objects = (size_t*)malloc(objectsSize*sizeof(size_t)); 14977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 14983f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim free(data); 14993f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 15007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 15057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 15067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 15077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 15087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 15097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 15107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 15137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 15147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 15167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(objects, mObjects, objectsSize*sizeof(size_t)); 15177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1518a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 15197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 15207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 15217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 15237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 15247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 15256807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 15267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 15277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 15287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 15297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 15317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 15327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 15337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 15347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 15357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 15367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 15377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 15387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 15397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 15407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 15427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = 15447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project (size_t*)realloc(mObjects, objectsSize*sizeof(size_t)); 15457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 15467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 15477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 15497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 15507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 15537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 15547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 15557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 15567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 15577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 15587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 15597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 156397e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 156497e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 15656807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 156697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 15677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 15687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 15696807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 15707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 15747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 15757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 15767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 15777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15803f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 15817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 15827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 1583e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("continueWrite: %d/%p/%d/%d", mDataCapacity, mObjects, mObjectsCapacity, desired); 15847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 15877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 15886807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 15896807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 15907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 15917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 15947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 15977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 15997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 16007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 16017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 16027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 16036807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("initState Setting data size of %p to %d\n", this, mDataSize); 16046807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("initState Setting data pos of %p to %d\n", this, mDataPos); 16057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 16067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 16077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 16087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 16097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 16107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 16118938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 16127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 16137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 16167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 16187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 16197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 16207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 16217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 16227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 16237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 16247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 16277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 16287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// --- Parcel::Blob --- 16315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16325707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::Blob() : 16335707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped(false), mData(NULL), mSize(0) { 16345707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16355707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::~Blob() { 16375707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown release(); 16385707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16395707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16405707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::release() { 16415707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (mMapped && mData) { 16425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(mData, mSize); 16435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 16445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown clear(); 16455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::init(bool mapped, void* data, size_t size) { 16485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped = mapped; 16495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = data; 16505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = size; 16515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::clear() { 16545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped = false; 16555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = NULL; 16565707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = 0; 16575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16585707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 1660