Parcel.cpp revision 360211f7feff8472e082ed5a0675a0b37da74ce5
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 207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Parcel.h> 217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Binder.h> 237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/BpBinder.h> 247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Debug.h> 257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/ProcessState.h> 267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/TextOutput.h> 307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/misc.h> 317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <private/utils/binder_module.h> 337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdio.h> 357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdlib.h> 367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdint.h> 377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project//#define LOG_REFS(...) LOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define PAD_SIZE(s) (((s)+3)&~3) 487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(obj.cookie)->incStrong(who); 677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // intentionally blank -- nothing to do to acquire this, but we do 887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // recognize it as a legitimate object type. 897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGD("Invalid object type 0x%08lx", obj.type); 947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid release_object(const sp<ProcessState>& proc, 977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 1037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(obj.cookie)->decStrong(who); 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 1087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.cookie != (void*)0) close(obj.handle); 1257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("Invalid object type 0x%08lx", obj.type); 1307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 1337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, const flat_binder_object& flat, Parcel* out) 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t flatten_binder(const sp<ProcessState>& proc, 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 1407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 1467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 1497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("null proxy"); 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 1577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = local->getWeakRefs(); 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = local; 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 1627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t flatten_binder(const sp<ProcessState>& proc, 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 1777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 1787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 1797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 1817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 1827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("null proxy"); 1837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 1867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 1877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 1907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = binder.get_refs(); 1917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = binder.unsafe_get(); 1927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 1947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 1977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 1987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 1997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 2037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("Unable to unflatten Binder weak reference!"); 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 2067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 2117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder* proxy, const flat_binder_object& flat, const Parcel& in) 2197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 2317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = static_cast<IBinder*>(flat->cookie); 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 2377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 2507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = static_cast<IBinder*>(flat->cookie); 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->binder != NULL) { 2547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(flat->cookie), 2567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(flat->binder)); 2577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 2727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 2747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 2867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 2947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 2987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("setDataSize Setting data size of %p to %d\n", this, mDataSize); 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 3267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > mDataSize) return continueWrite(size); 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::appendFrom(Parcel *parcel, size_t offset, size_t len) 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 3517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 3527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t *data = parcel->mData; 3537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t *objects = parcel->mObjects; 3547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 3557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 3567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 3577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 3597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 3637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 3647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 3657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 3667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 3677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 3727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((off >= offset) && (off < offset + len)) { 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow data 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = growData(len); 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) { 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 3897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 3907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 3917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 3937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 3947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int newSize = ((mObjectsSize + numObjects)*3)/2; 3967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t *objects = 3977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project (size_t*)realloc(mObjects, newSize*sizeof(size_t)); 3987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == (size_t*)0) { 3997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 4007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 4027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 4037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 4077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 4097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 4107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 4137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 4147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // take note if the object is a file descriptor 4177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 4187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 4197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 4297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 4307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 4327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 4357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 4377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 4387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::enforceInterface(const String16& interface) const 4417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String16 str = readString16(); 4437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 4447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 4457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 4467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGW("**** enforceInterface() expected '%s' but read '%s'\n", 4477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 4487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 4497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst size_t* Parcel::objects() const 4537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 4557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 4587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 4607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 4637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 4657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 4687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 4707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 4737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 4757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 4767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("finishWrite Setting data pos of %p to %d\n", this, mDataPos); 4777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 4787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 4797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("finishWrite Setting data size of %p to %d\n", this, mDataSize); 4807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 4827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 4867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 4887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 4897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 4907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 4917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 4947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 4957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 4967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 4977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 5007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 5027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 5057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 5077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 5087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 5097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 5157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t padded = PAD_SIZE(len); 5177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 5317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 5337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 5357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 5367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 5387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 5397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 5407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 5417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 5427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 5437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 5467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 5507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 5527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 5557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(val)) <= mDataCapacity) { 5577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<int32_t*>(mData+mDataPos) = val; 5597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(val)); 5607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(sizeof(val)); 5637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 5657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 5687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(val)) <= mDataCapacity) { 5707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<int64_t*>(mData+mDataPos) = val; 5727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(val)); 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(sizeof(val)); 5767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 5787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 5817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(val)) <= mDataCapacity) { 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<float*>(mData+mDataPos) = val; 5857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(val)); 5867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(sizeof(val)); 5897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 5917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 5947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(val)) <= mDataCapacity) { 5967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<double*>(mData+mDataPos) = val; 5987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(val)); 5997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(sizeof(val)); 6027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 6077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 6097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 6147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 6157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 6167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 6217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 6237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 6267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 6287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 6307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 6327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 6337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 6347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 6357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 6367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 6397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 6447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 6467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 6497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 6517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6535f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Projectstatus_t Parcel::writeNativeHandle(const native_handle& handle) 6545f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 6555f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (handle.version != sizeof(native_handle)) 6565f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 6575f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 6585f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 6595f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = writeInt32(handle.numFds); 6605f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 6615f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 6625f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = writeInt32(handle.numInts); 6635f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 6645f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 6655f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<handle.numFds ; i++) 6665f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = writeDupFileDescriptor(handle.data[i]); 6675f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 6685f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = write(handle.data + handle.numFds, sizeof(int)*handle.numInts); 6695f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 6705f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 6715f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 6725f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFileDescriptor(int fd) 6747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 6767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 6777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 6787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 6797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = (void*)0; 6807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 6817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 6847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 6867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 6877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 6887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = dup(fd); 6897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = (void*)1; 6907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 6917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 6947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 6967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 6977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 6987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 6997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 7007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to write meta-data? 7027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (nullMetaData || val.binder != NULL) { 7037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[mObjectsSize] = mDataPos; 7047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(ProcessState::self(), val, this); 7057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 7067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 7097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 7107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 7117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 7187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 7197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 7217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 7227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = (size_t*)realloc(mObjects, newSize*sizeof(size_t)); 7237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 7247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 7257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 7267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 7297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::remove(size_t start, size_t amt) 7337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 7357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 7387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 7407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 7417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 7427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("read Setting data pos of %p to %d\n", this, mDataPos); 7437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 7447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 7467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 7497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 7517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 7527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 7537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readInplace Setting data pos of %p to %d\n", this, mDataPos); 7547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 7557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt32(int32_t *pArg) const 7607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(int32_t)) <= mDataSize) { 7627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 7637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += sizeof(int32_t); 7647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *pArg = *reinterpret_cast<const int32_t*>(data); 7657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 7667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 7677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 7687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 7727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(int32_t)) <= mDataSize) { 7747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 7757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += sizeof(int32_t); 7767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readInt32 Setting data pos of %p to %d\n", this, mDataPos); 7777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return *reinterpret_cast<const int32_t*>(data); 7787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return 0; 7807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 7847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(int64_t)) <= mDataSize) { 7867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 7877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += sizeof(int64_t); 7887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *pArg = *reinterpret_cast<const int64_t*>(data); 7897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readInt64 Setting data pos of %p to %d\n", this, mDataPos); 7907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 7917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 7927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 7937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 7987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(int64_t)) <= mDataSize) { 8007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 8017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += sizeof(int64_t); 8027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readInt64 Setting data pos of %p to %d\n", this, mDataPos); 8037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return *reinterpret_cast<const int64_t*>(data); 8047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return 0; 8067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 8097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(float)) <= mDataSize) { 8117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 8127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += sizeof(float); 8137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readFloat Setting data pos of %p to %d\n", this, mDataPos); 8147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *pArg = *reinterpret_cast<const float*>(data); 8157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 8167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 8177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 8187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 8237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(float)) <= mDataSize) { 8257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 8267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += sizeof(float); 8277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readFloat Setting data pos of %p to %d\n", this, mDataPos); 8287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return *reinterpret_cast<const float*>(data); 8297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return 0; 8317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 8347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(double)) <= mDataSize) { 8367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 8377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += sizeof(double); 8387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readDouble Setting data pos of %p to %d\n", this, mDataPos); 8397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *pArg = *reinterpret_cast<const double*>(data); 8407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 8417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 8427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 8437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 8487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+sizeof(double)) <= mDataSize) { 8507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 8517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += sizeof(double); 8527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readDouble Setting data pos of %p to %d\n", this, mDataPos); 8537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return *reinterpret_cast<const double*>(data); 8547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return 0; 8567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 8607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 8627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 8637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 8647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 8657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 8667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 8677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 8687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len+1); 8697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readCString Setting data pos of %p to %d\n", this, mDataPos); 8707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 8717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 8747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 8777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 8797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 8807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 8817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 8827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 8837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 8857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 8887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 8907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 8917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 8927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("Reading a NULL string not supported here."); 8937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 8947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 8977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 8997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 9007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 9017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 9027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 9037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 9047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 9057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 9087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 9097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 9127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 9147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 9157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 9167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 9197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 9217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 9227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 9237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9255f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 9265f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Projectnative_handle* Parcel::readNativeHandle(native_handle* (*alloc)(void*, int, int), void* cookie) const 9275f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 9285f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 9295f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 9305f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 9315f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 9325f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 9335f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 9345f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 9355f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project native_handle* h; 9365f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (alloc == 0) { 9375f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project size_t size = sizeof(native_handle) + sizeof(int)*(numFds + numInts); 9385f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = (native_handle*)malloc(size); 9395f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h->version = sizeof(native_handle); 9405f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h->numFds = numFds; 9415f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h->numInts = numInts; 9425f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } else { 9435f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = alloc(cookie, numFds, numInts); 9445f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->version != sizeof(native_handle)) { 9455f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return 0; 9465f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 9475f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 9485f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 949360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 9505f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 9515f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 952360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin 9535f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 954360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin 9555f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 9565f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (alloc == 0) { 9575f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project free(h); 9585f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 9595f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 9605f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 9615f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 9625f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 9635f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 9645f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 9657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 9667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 9687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 9697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 9707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: 9717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Returning file descriptor %ld from parcel %p\n", flat->handle, this); 9727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flat->handle; 9737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 9767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 9797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 9817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 9827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 9837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 9847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 9857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!nullMetaData && (obj->cookie == NULL && obj->binder == NULL)) { 9865f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 9877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 9887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 9897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 9907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 9917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 9947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const OBJS = mObjects; 9957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 9967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 9977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 9997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("Parcel %p looking for obj at %d, hint=%d\n", 10007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 10017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 10037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 10047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 10057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 10067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 10077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 10097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 10107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 10127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 10137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("Parcel found obj %d at index %d with forward search", 10147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 10157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 10167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 10177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 10187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 10217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 10227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 10237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 10257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 10267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("Parcel found obj %d at index %d with backward search", 10277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 10287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 10297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 10307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 10317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGW("Attempt to read object from Parcel %p at offset %d that is not in the object list", 10347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 10357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 10377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 10407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 10427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 10437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Closing file descriptors for %d objects...", mObjectsSize); 10447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 10467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 10477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 10487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 10497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 10507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Closing fd: %ld\n", flat->handle); 10517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 10527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::ipcData() const 10577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 10597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 10627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 10647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst size_t* Parcel::ipcObjects() const 10677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 10697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 10727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 10747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 10777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 10787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 10807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 10817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 10827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 10837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("setDataReference Setting data size of %p to %lu (pid=%d)\n", this, mDataSize, getpid()); 10847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 10857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("setDataReference Setting data pos of %p to %d\n", this, mDataPos); 10867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = const_cast<size_t*>(objects); 10877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 10887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 10897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 10907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 10917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 10927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::print(TextOutput& to, uint32_t flags) const 10957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 10977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 10997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 11007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Error: " << (void*)err << " \"" << strerror(-err) << "\""; 11017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 11027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 11037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 11047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t* OBJS = objects(); 11057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 11067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 11077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 11087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 11097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 11107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 11117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 11127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 11147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 11157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 11187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 11217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 11237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 11247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 11257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const objects = mObjects; 11267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 11277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 11287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 11297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 11307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 11317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 11357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 11377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 11387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 11397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const objects = mObjects; 11407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 11417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 11427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 11437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 11447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 11457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 11497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 11517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 11527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 11557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 11577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 11587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 11597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 11607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 11617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) free(mData); 11627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 11637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 11677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 11697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 11707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 11717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 11727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 11757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 11777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 11787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 11797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 11827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 11837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 11847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 11857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 11887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 11907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 11917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 11927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 11957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("restartWrite Setting data size of %p to %d\n", this, mDataSize); 11967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("restartWrite Setting data pos of %p to %d\n", this, mDataPos); 11977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 11997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 12007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 12017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 12027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 12037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 12047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 12067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 12097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 12117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 12127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 12137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 12147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 12157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 12167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 12177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 12187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 12197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 12207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 12217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 12267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 12277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 12287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 12297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 12307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 12337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 12347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 12357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 12367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 12377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 12387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = NULL; 12407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 12427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objects = (size_t*)malloc(objectsSize*sizeof(size_t)); 12437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 12447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 12457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 12467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 12497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 12507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 12517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 12527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 12537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 12547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 12577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 12587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 12607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(objects, mObjects, objectsSize*sizeof(size_t)); 12617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 12637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 12647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 12657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 12677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 12687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 12697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 12707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 12717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 12727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 12737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 12757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 12767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 12777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 12787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 12797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 12807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 12817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 12827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 12837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 12847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 12867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = 12887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project (size_t*)realloc(mObjects, objectsSize*sizeof(size_t)); 12897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 12907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 12917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 12937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 12947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 12977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 12987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 12997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 13007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 13017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 13027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 13037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 13047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 13057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = desired; 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 13097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 13107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 13117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 13127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 13177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 13187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 13197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 13207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 13217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 13247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 13257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("continueWrite: %d/%p/%d/%d", mDataCapacity, mObjects, mObjectsCapacity, desired); 13267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 13297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 13307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 13317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 13327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 13337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 13367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 13397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 13417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 13427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 13437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 13447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 13457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("initState Setting data size of %p to %d\n", this, mDataSize); 13467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("initState Setting data pos of %p to %d\n", this, mDataPos); 13477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 13487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 13497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 13507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 13517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 13527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 13537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 13547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 13577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 13597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 13607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 13627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 13637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 13647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 13657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 13687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 13697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 1372