Parcel.cpp revision 8938ed2c8e906fc332301b64787728d4d34da571
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> 257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Debug.h> 26c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/ProcessState.h> 277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/TextOutput.h> 317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/misc.h> 3298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian#include <utils/Flattenable.h> 337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 34208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdio.h> 377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdlib.h> 387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdint.h> 397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project//#define LOG_REFS(...) LOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define PAD_SIZE(s) (((s)+3)&~3) 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 51a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER 52a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick#define STRICT_MODE_PENALTY_GATHER 0x100 53a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 54d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick// Note: must be kept in sync with android/os/Parcel.java's EX_HAS_REPLY_HEADER 55d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick#define EX_HAS_REPLY_HEADER -128 56d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick 577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(obj.cookie)->incStrong(who); 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // intentionally blank -- nothing to do to acquire this, but we do 967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // recognize it as a legitimate object type. 977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGD("Invalid object type 0x%08lx", obj.type); 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid release_object(const sp<ProcessState>& proc, 1057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(obj.cookie)->decStrong(who); 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.cookie != (void*)0) close(obj.handle); 1337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("Invalid object type 0x%08lx", obj.type); 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, const flat_binder_object& flat, Parcel* out) 1427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 1447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t flatten_binder(const sp<ProcessState>& proc, 1477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 1577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("null proxy"); 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 1627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = local->getWeakRefs(); 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = local; 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 1757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t flatten_binder(const sp<ProcessState>& proc, 1787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 1797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 1857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 1867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 1877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 1907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("null proxy"); 1917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 1947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 1957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 1987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = binder.get_refs(); 1997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = binder.unsafe_get(); 2007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 2117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("Unable to unflatten Binder weak reference!"); 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 2197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 2207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder* proxy, const flat_binder_object& flat, const Parcel& in) 2277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 2397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = static_cast<IBinder*>(flat->cookie); 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = static_cast<IBinder*>(flat->cookie); 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->binder != NULL) { 2627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(flat->cookie), 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(flat->binder)); 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 2677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 2717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 2727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 2747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 2947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 3237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 3267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("setDataSize Setting data size of %p to %d\n", this, mDataSize); 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 34197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 3507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 3517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 3527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 35651faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 3577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 3597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 36051faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 36151faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const size_t *objects = parcel->mObjects; 3627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 3637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 3647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 3657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 3677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 3727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((off >= offset) && (off < offset + len)) { 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 38997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 39097e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 39197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 39297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 39397e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 39497e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 3987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 3997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 4007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 4017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4028938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 4038938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 4057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 4077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int newSize = ((mObjectsSize + numObjects)*3)/2; 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t *objects = 4097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project (size_t*)realloc(mObjects, newSize*sizeof(size_t)); 4107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == (size_t*)0) { 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 4127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 4147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 4187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 4197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 4207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 4217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 4227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4248af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 4298af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 4308af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 4318af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 4328af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 4338af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->cookie = (void*)1; 4347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 4358938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 4368938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 4378938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 4387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4428938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 4438938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 4448938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4458938ed2c8e906fc332301b64787728d4d34da571Dianne Hackbornbool Parcel::setAllowFds(bool allowFds) 4468938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 4478938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 4488938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = allowFds; 4498938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 4507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 4537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 4557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 4567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 4587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 460702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 4617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 4627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 463a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 464a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 4657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 4667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 4677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 46983c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 47083c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 471702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 47283c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 47383c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 474a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 47570081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 4767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 47770081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 47870081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 47970081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 480a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 4815273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 4825273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 4835273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 4845273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 4855273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 4865273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 4875273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 4885273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 4895273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 4905273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 49183c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 4927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 4937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 4947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 4957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGW("**** enforceInterface() expected '%s' but read '%s'\n", 4967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 4977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 4987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 499702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 5007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst size_t* Parcel::objects() const 5027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 5047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 5077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 5097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 5177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 5227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 5257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("finishWrite Setting data pos of %p to %d\n", this, mDataPos); 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("finishWrite Setting data size of %p to %d\n", this, mDataSize); 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 5317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 5357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 5377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 5387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 5397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 5407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 5437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 5457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 5467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 5497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 5517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 5547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 5567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 5577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 5587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 5647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t padded = PAD_SIZE(len); 5667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 5687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 5697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 5707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 5757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 5767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 5787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 5797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 5807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 5827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 5857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 5877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 5887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 5897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 5907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 5917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 5927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 5957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 5967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 5997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 6017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 6047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 60584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 6097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 61084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 6147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 61584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 6197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 62084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 62184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 6227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 62384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeIntPtr(intptr_t val) 62484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 62584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 6297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 6347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 636d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 637d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 638d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 639d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 6407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 6417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 6467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 6487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 6517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 6537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 6557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 6567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 6577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 6587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 6597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 6607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 6617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 6647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 6697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 6717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 6747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 6767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 678a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 6795f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 6801d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 6815f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 6825f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 6835f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 684a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 6855f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 686edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 687a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 6885f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 689edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 690a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 691a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 692edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 693edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 694edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOGD("write native handle, write dup fd failed"); 695edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 696edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 697a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 6985f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 6995f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 7005f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 7017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFileDescriptor(int fd) 7027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 7047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 7057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 7067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 7077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = (void*)0; 7087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 7097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 7127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = dup(fd); 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = (void*)1; 7187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 7197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 72198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianstatus_t Parcel::write(const Flattenable& val) 72298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 72398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 72498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 72598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 72698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t len = val.getFlattenedSize(); 72798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t fd_count = val.getFdCount(); 72898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 72998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 73098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 73198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 73298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 73398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 73498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 73598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 73698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian void* buf = this->writeInplace(PAD_SIZE(len)); 73798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 73898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 73998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 74098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 74198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 74298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 74398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 74498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 74598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 74698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 74798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 74898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 74998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 75098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 75198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 75298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 75398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 75498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 75598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 75698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 7577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 7587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 7607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 7617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 7627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 7637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 7647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to write meta-data? 7667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (nullMetaData || val.binder != NULL) { 7677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[mObjectsSize] = mDataPos; 7687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(ProcessState::self(), val, this); 7697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 7707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 7737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 7748938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 7758938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 7768938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 7777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 7787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 7817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 7847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 7857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 7867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 7887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 7897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = (size_t*)realloc(mObjects, newSize*sizeof(size_t)); 7907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 7917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 7927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 7937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 7967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 798837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 799837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 800837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return writeInt32(0); 801837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 802837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 8037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::remove(size_t start, size_t amt) 8047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 8067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 8097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 8117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 8127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 8137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("read Setting data pos of %p to %d\n", this, mDataPos); 8147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 8157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 8177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 8207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 8227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 8237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 8247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readInplace Setting data pos of %p to %d\n", this, mDataPos); 8257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 8267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 8287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 83084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 83184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 83284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 83384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 83484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 8357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 83684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 83784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 8387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 8397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 8407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 8417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 84484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 84584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 84684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 84784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 84884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 84984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 85084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 85184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 85284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 85384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 85484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 85584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 85684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 85784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 85884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 85984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 86084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 86184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 86284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 86384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 86484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 86584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 86684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 86784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 86884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 86984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 87084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 87184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 87284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 87384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 8747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 8757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 87684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 8777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 8817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 88284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 8837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 8877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 88884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 8897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 8927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 89384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 8947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 8987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 89984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 9007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 9037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 90484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 9057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 9097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 91084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 91184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 91284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 91384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 91484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 91584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 91684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 91784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 91884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 91984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 92084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 92184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 9227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 9267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 9287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 9297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 9307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 9317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 9327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 9337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 9347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len+1); 9357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readCString Setting data pos of %p to %d\n", this, mDataPos); 9367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 9377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 9407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 9437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 9457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 9467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 9477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 9487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 9497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 9517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 9547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 9567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 9577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 9587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("Reading a NULL string not supported here."); 9597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 9607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 9637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 9657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 9667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 9677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 9687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 9697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 9707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 9717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 9747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 9757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 9787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 9807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 9817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 9827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 9857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 9877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 9887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 9897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 991837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 992837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 993837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick int32_t exception_code = readAligned<int32_t>(); 994d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick if (exception_code == EX_HAS_REPLY_HEADER) { 995d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick int32_t header_size = readAligned<int32_t>(); 996d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // Skip over fat responses headers. Not used (or propagated) in 997d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // native code 998d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick setDataPosition(dataPosition() + header_size); 999d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // And fat response headers are currently only used when there are no 1000d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // exceptions, so return no error: 1001d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick return 0; 1002d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick } 1003837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return exception_code; 1004837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 10055f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1006a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 10075f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 10085f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 10095f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 10105f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 10115f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 10125f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 10135f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 10145f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1015a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 10165f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1017360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 10185f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 10195f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 10205f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 10215f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1022a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1023a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 10245f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 10255f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 10265f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 10275f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 10285f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 10295f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 10307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 10317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 10337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 10347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 10357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: 10367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Returning file descriptor %ld from parcel %p\n", flat->handle, this); 10377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flat->handle; 10387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 10417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 104398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianstatus_t Parcel::read(Flattenable& val) const 104498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 104598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 104698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 104798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 104898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 104998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 105098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian void const* buf = this->readInplace(PAD_SIZE(len)); 105198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 105298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 105398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 105498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 105598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 105698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 105798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 105898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 105998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 106098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 106198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds[i] = dup(this->readFileDescriptor()); 106298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fds[i] < 0) err = BAD_VALUE; 106398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 106498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 106598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 106698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 106798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 106898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 106998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 107098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 107198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 107298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 107398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 107498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 10757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 10767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 10787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 10797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 10807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 10817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 10827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!nullMetaData && (obj->cookie == NULL && obj->binder == NULL)) { 10835f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 10847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 10857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 10867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 10877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 10887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 10917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const OBJS = mObjects; 10927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 10937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 10947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 10967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("Parcel %p looking for obj at %d, hint=%d\n", 10977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 10987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 11007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 11017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 11027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 11037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 11047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 11067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 11077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 11097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 11107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("Parcel found obj %d at index %d with forward search", 11117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 11127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 11137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 11147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 11157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 11187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 11197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 11207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 11227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 11237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("Parcel found obj %d at index %d with backward search", 11247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 11257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 11267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 11277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 11287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGW("Attempt to read object from Parcel %p at offset %d that is not in the object list", 11317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 11327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 11347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 11377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 11397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 11407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Closing file descriptors for %d objects...", mObjectsSize); 11417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 11437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 11447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 11457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 11467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 11477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Closing fd: %ld\n", flat->handle); 11487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 11497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::ipcData() const 11547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 11567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 11597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 11617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst size_t* Parcel::ipcObjects() const 11647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 11667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 11697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 11717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 11747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 11757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 11777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 11787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 11797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 11807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("setDataReference Setting data size of %p to %lu (pid=%d)\n", this, mDataSize, getpid()); 11817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 11827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("setDataReference Setting data pos of %p to %d\n", this, mDataPos); 11837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = const_cast<size_t*>(objects); 11847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 11857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 11867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 11877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 11887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 11897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::print(TextOutput& to, uint32_t flags) const 11927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 11947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 11967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 11977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Error: " << (void*)err << " \"" << strerror(-err) << "\""; 11987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 11997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 12007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 12017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t* OBJS = objects(); 12027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 12037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 12047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 12057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 12067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 12077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 12087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 12097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 12117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 12127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 12157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 12187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 12207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 12217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 12227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const objects = mObjects; 12237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 12247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 12257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 12267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 12277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 12287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 12327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 12347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 12357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 12367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const objects = mObjects; 12377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 12387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 12397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 12407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 12417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 12427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 12467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 12487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 12497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 12527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 12547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 12557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 12567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 12577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 12587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) free(mData); 12597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 12607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 12647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 12667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 12677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 12687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 12697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 12727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 12747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 12757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 12767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 12797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 12807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 12817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 12827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 12857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 12877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 12887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 12897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 12927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("restartWrite Setting data size of %p to %d\n", this, mDataSize); 12937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("restartWrite Setting data pos of %p to %d\n", this, mDataPos); 12947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 12967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 12977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 12987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 12997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 13007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 13018938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 13027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 13047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 13097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 13107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 13117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 13127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 13137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 13147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 13167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 13177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 13187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 13197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 13247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 13257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 13267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 13277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 13287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 13317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 13327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 13337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 13347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 13357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 13367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = NULL; 13387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 13407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objects = (size_t*)malloc(objectsSize*sizeof(size_t)); 13417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 13427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 13437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 13447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 13477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 13487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 13497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 13507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 13517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 13527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 13557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 13567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 13587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(objects, mObjects, objectsSize*sizeof(size_t)); 13597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 13617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 13627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 13637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 13657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 13667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 13677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 13687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 13697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 13707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 13717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 13737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 13747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 13757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 13767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 13777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 13797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 13807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 13817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 13827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 13847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = 13867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project (size_t*)realloc(mObjects, objectsSize*sizeof(size_t)); 13877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 13887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 13897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 13917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 13927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 13957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 13967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 13977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 13987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 13997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 14007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 14017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 14027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 14037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 140597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 140697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 140797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn LOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 140897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 14097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 14107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 14117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 14127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 14167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 14177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 14187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 14197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 14207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 14217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 14247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 14257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("continueWrite: %d/%p/%d/%d", mDataCapacity, mObjects, mObjectsCapacity, desired); 14267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 14297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 14307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 14317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 14327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 14337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 14367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 14397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 14417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 14427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 14437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 14447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 14457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("initState Setting data size of %p to %d\n", this, mDataSize); 14467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("initState Setting data pos of %p to %d\n", this, mDataPos); 14477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 14487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 14497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 14507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 14517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 14527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 14538938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 14547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 14557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 14587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 14607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 14617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 14627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 14637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 14647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 14657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 14667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 14697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 14707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 1473