Parcel.cpp revision 702ea9d42f52fc145090c0f0bfbe64993e4b8b33
17c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project/* 27c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * Copyright (C) 2005 The Android Open Source Project 37c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * 47c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 57c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * you may not use this file except in compliance with the License. 67c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * You may obtain a copy of the License at 77c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * 87c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 97c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * 107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * See the License for the specific language governing permissions and 147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * limitations under the License. 157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project */ 167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_TAG "Parcel" 187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project//#define LOG_NDEBUG 0 197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Parcel.h> 217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick#include <binder/IPCThreadState.h> 23c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Binder.h> 24c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/BpBinder.h> 257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Debug.h> 26c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/ProcessState.h> 277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/TextOutput.h> 317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/misc.h> 3298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian#include <utils/Flattenable.h> 337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 34208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdio.h> 377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdlib.h> 387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdint.h> 397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project//#define LOG_REFS(...) LOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define PAD_SIZE(s) (((s)+3)&~3) 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(obj.cookie)->incStrong(who); 697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // intentionally blank -- nothing to do to acquire this, but we do 907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // recognize it as a legitimate object type. 917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGD("Invalid object type 0x%08lx", obj.type); 967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid release_object(const sp<ProcessState>& proc, 997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 1057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(obj.cookie)->decStrong(who); 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 1107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.cookie != (void*)0) close(obj.handle); 1277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("Invalid object type 0x%08lx", obj.type); 1327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, const flat_binder_object& flat, Parcel* out) 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t flatten_binder(const sp<ProcessState>& proc, 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 1427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("null proxy"); 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = local->getWeakRefs(); 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = local; 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 1697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t flatten_binder(const sp<ProcessState>& proc, 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 1797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 1807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 1817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 1837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 1847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("null proxy"); 1857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 1887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 1927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = binder.get_refs(); 1937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = binder.unsafe_get(); 1947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 1967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 1997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("Unable to unflatten Binder weak reference!"); 2067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 2077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder* proxy, const flat_binder_object& flat, const Parcel& in) 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = static_cast<IBinder*>(flat->cookie); 2347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 2377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 2397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = static_cast<IBinder*>(flat->cookie); 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->binder != NULL) { 2567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 2577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(flat->cookie), 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(flat->binder)); 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 2747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 2787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 2867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 2937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 2987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 3227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("setDataSize Setting data size of %p to %d\n", this, mDataSize); 3237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 3317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > mDataSize) return continueWrite(size); 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::appendFrom(Parcel *parcel, size_t offset, size_t len) 3517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 3537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 3547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t *data = parcel->mData; 3557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t *objects = parcel->mObjects; 3567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 3577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 3587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 3597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 3617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 3657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 3667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 3677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 3727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((off >= offset) && (off < offset + len)) { 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow data 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = growData(len); 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) { 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 3907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 3917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 3927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 3937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 3967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 3977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int newSize = ((mObjectsSize + numObjects)*3)/2; 3987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t *objects = 3997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project (size_t*)realloc(mObjects, newSize*sizeof(size_t)); 4007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == (size_t*)0) { 4017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 4027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 4047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 4057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 4097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 4107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 4127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 4137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4148af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 4177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 4198af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 4208af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 4218af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 4228af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 4238af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->cookie = (void*)1; 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 4337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 4357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 4367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 4387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 440702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 4417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 4427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 443702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy()); 4447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 4457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 4467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 44883c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 44983c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 450702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 45183c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 45283c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 4537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::enforceInterface(const String16& interface) const 4547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 455702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick int32_t strict_policy = readInt32(); 45683c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 4577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 4587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 4597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 4607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGW("**** enforceInterface() expected '%s' but read '%s'\n", 4617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 4627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 4637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 464702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 4657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst size_t* Parcel::objects() const 4677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 4697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 4727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 4747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 4777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 4797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 4827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 4847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 4877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 4897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 4907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("finishWrite Setting data pos of %p to %d\n", this, mDataPos); 4917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 4927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 4937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("finishWrite Setting data size of %p to %d\n", this, mDataSize); 4947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 4967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 5007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 5027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 5037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 5047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 5057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 5087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 5107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 5117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 5147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 5167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 5227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 5237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t padded = PAD_SIZE(len); 5317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 5337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 5357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 5387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 5407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 5417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 5437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 5447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 5457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 5497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 5507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 5527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 5537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 5547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 5557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 5567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 5577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 5607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 5617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 5647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 5667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 5697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 57084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 5717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 5747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 57584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 5767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 5797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 58084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 5817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 58584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 58684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 5877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 58884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeIntPtr(intptr_t val) 58984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 59084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 5917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 5947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 5967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 5997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 6017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 6027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 6037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 6087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 6107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 6157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 6177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 6187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 6197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 6207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 6217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 6227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 6237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 6267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 6337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 6367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 6387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 640a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 6415f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 6421d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 6435f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 6445f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 6455f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 646a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 6475f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 648edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 649a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 6505f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 651edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 652a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 653a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 654edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 655edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 656edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOGD("write native handle, write dup fd failed"); 657edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 658edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 659a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 6605f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 6615f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 6625f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 6637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFileDescriptor(int fd) 6647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 6667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 6677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 6687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 6697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = (void*)0; 6707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 6717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(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 = dup(fd); 6797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = (void*)1; 6807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 6817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 68398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianstatus_t Parcel::write(const Flattenable& val) 68498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 68598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 68698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 68798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 68898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t len = val.getFlattenedSize(); 68998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t fd_count = val.getFdCount(); 69098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 69198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 69298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 69398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 69498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 69598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 69698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 69798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 69898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian void* buf = this->writeInplace(PAD_SIZE(len)); 69998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 70098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 70198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 70298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 70398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 70498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 70598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 70698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 70798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 70898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 70998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 71098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 71198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 71298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 71398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 71498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 71598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 71698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 71798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 71898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 7197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 7227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 7237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 7247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 7257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 7267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to write meta-data? 7287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (nullMetaData || val.binder != NULL) { 7297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[mObjectsSize] = mDataPos; 7307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(ProcessState::self(), val, this); 7317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 7327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 7357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 7367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 7377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 7407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 7437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 7447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 7457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 7477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 7487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = (size_t*)realloc(mObjects, newSize*sizeof(size_t)); 7497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 7507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 7517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 7527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 7557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::remove(size_t start, size_t amt) 7587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 7607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 7637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 7657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 7667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 7677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("read Setting data pos of %p to %d\n", this, mDataPos); 7687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 7697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 7717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 7747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 7767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 7777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 7787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readInplace Setting data pos of %p to %d\n", this, mDataPos); 7797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 7807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 78484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 78584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 78684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 78784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 78884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 7897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 79084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 79184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 7927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 7937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 7947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 7957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 79884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 79984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 80084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 80184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 80284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 80384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 80484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 80584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 80684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 80784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 80884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 80984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 81084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 81184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 81284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 81384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 81484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 81584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 81684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 81784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 81884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 81984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 82084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 82184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 82284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 82384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 82484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 82584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 82684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 82784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 8287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 8297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 83084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 8317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 8357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 83684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 8377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 8417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 84284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 8437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 8467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 84784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 8487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 8527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 85384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 8547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 8577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 85884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 8597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 8637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 86484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 86584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 86684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 86784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 86884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 86984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 87084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 87184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 87284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 87384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 87484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 87584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 8767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 8807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 8827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 8837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 8847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 8857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 8867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 8877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 8887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len+1); 8897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readCString Setting data pos of %p to %d\n", this, mDataPos); 8907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 8917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 8947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() 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 adding 1 for trailing NUL 9007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 9017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 9027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 9037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 9057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 9087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 9107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 9117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 9127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("Reading a NULL string not supported here."); 9137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 9147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 9177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 9197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 9207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 9217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 9227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 9237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 9247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 9257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 9287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 9297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 9327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 9347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 9357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 9367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 9397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 9417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 9427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 9437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9455f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 946a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 9475f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 9485f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 9495f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 9505f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 9515f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 9525f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 9535f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 9545f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 955a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 9565f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 957360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 9585f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 9595f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 9605f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 9615f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 962a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 963a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 9645f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 9655f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 9665f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 9675f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 9685f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 9695f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 9707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 9717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 9737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 9747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 9757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: 9767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Returning file descriptor %ld from parcel %p\n", flat->handle, this); 9777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flat->handle; 9787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 9817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 98398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianstatus_t Parcel::read(Flattenable& val) const 98498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 98598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 98698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 98798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 98898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 98998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 99098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian void const* buf = this->readInplace(PAD_SIZE(len)); 99198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 99298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 99398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 99498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 99598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 99698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 99798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 99898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 99998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 100098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 100198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds[i] = dup(this->readFileDescriptor()); 100298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fds[i] < 0) err = BAD_VALUE; 100398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 100498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 100598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 100698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 100798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 100898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 100998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 101098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 101198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 101298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 101398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 101498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 10157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 10167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 10187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 10197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 10207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 10217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 10227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!nullMetaData && (obj->cookie == NULL && obj->binder == NULL)) { 10235f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 10247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 10257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 10267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 10277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 10287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 10317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const OBJS = mObjects; 10327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 10337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 10347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 10367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("Parcel %p looking for obj at %d, hint=%d\n", 10377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 10387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 10407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 10417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 10427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 10437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 10447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 10467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 10477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 10497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 10507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("Parcel found obj %d at index %d with forward search", 10517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 10527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 10537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 10547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 10557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 10587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 10597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 10607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 10627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 10637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("Parcel found obj %d at index %d with backward search", 10647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 10657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 10667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 10677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 10687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGW("Attempt to read object from Parcel %p at offset %d that is not in the object list", 10717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 10727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 10747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 10777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 10797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 10807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Closing file descriptors for %d objects...", mObjectsSize); 10817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 10837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 10847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 10857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 10867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 10877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Closing fd: %ld\n", flat->handle); 10887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 10897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::ipcData() const 10947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 10967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 10997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 11017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst size_t* Parcel::ipcObjects() const 11047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 11067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 11097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 11117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 11147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 11157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 11177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 11187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 11197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 11207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("setDataReference Setting data size of %p to %lu (pid=%d)\n", this, mDataSize, getpid()); 11217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 11227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("setDataReference Setting data pos of %p to %d\n", this, mDataPos); 11237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = const_cast<size_t*>(objects); 11247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 11257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 11267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 11277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 11287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 11297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::print(TextOutput& to, uint32_t flags) const 11327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 11347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 11367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 11377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Error: " << (void*)err << " \"" << strerror(-err) << "\""; 11387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 11397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 11407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 11417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t* OBJS = objects(); 11427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 11437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 11447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 11457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 11467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 11477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 11487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 11497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 11517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 11527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 11557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 11587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 11607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 11617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 11627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const objects = mObjects; 11637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 11647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 11657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 11667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 11677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 11687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 11727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 11747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 11757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 11767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const objects = mObjects; 11777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 11787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 11797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 11807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 11817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 11827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 11867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 11887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 11897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 11927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 11947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 11957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 11967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 11977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 11987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) free(mData); 11997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 12007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 12047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 12067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 12077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 12087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 12097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 12127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 12147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 12157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 12167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 12197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 12207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 12217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 12227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 12257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 12277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 12287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 12297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 12327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("restartWrite Setting data size of %p to %d\n", this, mDataSize); 12337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("restartWrite Setting data pos of %p to %d\n", this, mDataPos); 12347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 12367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 12377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 12387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 12397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 12407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 12417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 12437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 12467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 12487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 12497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 12507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 12517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 12527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 12537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 12547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 12557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 12567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 12577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 12587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 12637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 12647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 12657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 12667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 12677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 12707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 12717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 12727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 12737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 12747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 12757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = NULL; 12777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 12797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objects = (size_t*)malloc(objectsSize*sizeof(size_t)); 12807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 12817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 12827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 12837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 12867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 12877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 12887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 12897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 12907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 12917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 12947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 12957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 12977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(objects, mObjects, objectsSize*sizeof(size_t)); 12987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //LOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 13007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 13017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 13027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 13047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 13057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 13097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 13107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 13127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 13137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 13147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 13157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 13167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 13187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 13197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 13207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 13217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 13237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = 13257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project (size_t*)realloc(mObjects, objectsSize*sizeof(size_t)); 13267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 13277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 13287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 13307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 13317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 13347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 13357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 13367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 13377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 13387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 13397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 13407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 13417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 13427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = desired; 13457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 13467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 13477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 13487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 13497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 13547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 13557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 13567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 13577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 13587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 13617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 13627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGE("continueWrite: %d/%p/%d/%d", mDataCapacity, mObjects, mObjectsCapacity, desired); 13637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 13667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 13677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 13687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 13697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 13707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 13737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 13767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 13787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 13797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 13807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 13817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 13827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("initState Setting data size of %p to %d\n", this, mDataSize); 13837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOGV("initState Setting data pos of %p to %d\n", this, mDataPos); 13847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 13857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 13867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 13877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 13887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 13897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 13907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 13917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 13947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 13967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 13977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 13997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 14007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 14017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 14027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 14057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 14067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 1409