1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Copyright (C) 2005 The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Binder.h> 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 196913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest#include <atomic> 20555f89d8df316cdc5a25dbedb8614c2ac7a5e0a9Dianne Hackborn#include <utils/misc.h> 21c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/BpBinder.h> 22c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/IInterface.h> 2323eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn#include <binder/IResultReceiver.h> 241941a404d642b3dfaac365ba494f1e9912876f00Dianne Hackborn#include <binder/IShellCallback.h> 25c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Parcel.h> 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdio.h> 28edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 29edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 30edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 31edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3383c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias AgopianIBinder::IBinder() 3483c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian : RefBase() 3583c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 3683c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 3783c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 3883c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias AgopianIBinder::~IBinder() 3983c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 4083c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 4183c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 4283c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian// --------------------------------------------------------------------------- 4383c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 446f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crosssp<IInterface> IBinder::queryLocalInterface(const String16& /*descriptor*/) 45edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 46edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NULL; 47edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectBBinder* IBinder::localBinder() 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NULL; 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectBpBinder* IBinder::remoteBinder() 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NULL; 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectbool IBinder::checkSubclass(const void* /*subclassID*/) const 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return false; 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 6423eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn 65f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackbornstatus_t IBinder::shellCommand(const sp<IBinder>& target, int in, int out, int err, 661941a404d642b3dfaac365ba494f1e9912876f00Dianne Hackborn Vector<String16>& args, const sp<IShellCallback>& callback, 671941a404d642b3dfaac365ba494f1e9912876f00Dianne Hackborn const sp<IResultReceiver>& resultReceiver) 6823eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn{ 69f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn Parcel send; 70f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn Parcel reply; 71f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn send.writeFileDescriptor(in); 72f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn send.writeFileDescriptor(out); 73f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn send.writeFileDescriptor(err); 74f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn const size_t numArgs = args.size(); 75f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn send.writeInt32(numArgs); 76f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn for (size_t i = 0; i < numArgs; i++) { 77f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn send.writeString16(args[i]); 7823eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn } 791941a404d642b3dfaac365ba494f1e9912876f00Dianne Hackborn send.writeStrongBinder(callback != NULL ? IInterface::asBinder(callback) : NULL); 80f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn send.writeStrongBinder(resultReceiver != NULL ? IInterface::asBinder(resultReceiver) : NULL); 81f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn return target->transact(SHELL_COMMAND_TRANSACTION, send, &reply); 8223eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn} 8323eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectclass BBinder::Extras 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectpublic: 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Mutex mLock; 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder::ObjectManager mObjects; 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 956913c46492f1153cecc647a87217fbb0b0d19689Bailey ForrestBBinder::BBinder() : mExtras(nullptr) 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectbool BBinder::isBinderAlive() const 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return true; 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t BBinder::pingBinder() 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 10983c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianconst String16& BBinder::getInterfaceDescriptor() const 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 111386a332b4f70718cccb08d5511d66e9f4f5bd409Dan Egnor // This is a local static rather than a global static, 112386a332b4f70718cccb08d5511d66e9f4f5bd409Dan Egnor // to avoid static initializer ordering issues. 113386a332b4f70718cccb08d5511d66e9f4f5bd409Dan Egnor static String16 sEmptyDescriptor; 11432397c1cd3327905173b36baa6fd1c579bc328ffSteve Block ALOGW("reached BBinder::getInterfaceDescriptor (this=%p)", this); 11583c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian return sEmptyDescriptor; 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t BBinder::transact( 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project data.setDataPosition(0); 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err = NO_ERROR; 124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case PING_TRANSACTION: 126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reply->writeInt32(pingBinder()); 127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 129edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = onTransact(code, data, reply, flags); 130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 131edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 133edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply != NULL) { 134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reply->setDataPosition(0); 135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 136edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 140edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t BBinder::linkToDeath( 1416f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const sp<DeathRecipient>& /*recipient*/, void* /*cookie*/, 1426f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross uint32_t /*flags*/) 143edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 144edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return INVALID_OPERATION; 145edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 146edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t BBinder::unlinkToDeath( 1486f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const wp<DeathRecipient>& /*recipient*/, void* /*cookie*/, 1496f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross uint32_t /*flags*/, wp<DeathRecipient>* /*outRecipient*/) 150edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 151edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return INVALID_OPERATION; 152edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 153edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 15423eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackbornstatus_t BBinder::dump(int /*fd*/, const Vector<String16>& /*args*/) 155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 158edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 159edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid BBinder::attachObject( 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* objectID, void* object, void* cleanupCookie, 161edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project object_cleanup_func func) 162edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1636913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest Extras* e = mExtras.load(std::memory_order_acquire); 164edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 165edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!e) { 166edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project e = new Extras; 1676913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest Extras* expected = nullptr; 1686913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest if (!mExtras.compare_exchange_strong(expected, e, 1696913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest std::memory_order_release, 1706913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest std::memory_order_acquire)) { 171edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete e; 1726913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest e = expected; // Filled in by CAS 173edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 174edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (e == 0) return; // out of memory 175edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project AutoMutex _l(e->mLock); 178edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project e->mObjects.attach(objectID, object, cleanupCookie, func); 179edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 180edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid* BBinder::findObject(const void* objectID) const 182edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1836913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest Extras* e = mExtras.load(std::memory_order_acquire); 184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!e) return NULL; 185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 186edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project AutoMutex _l(e->mLock); 187edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return e->mObjects.find(objectID); 188edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 189edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 190edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid BBinder::detachObject(const void* objectID) 191edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1926913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest Extras* e = mExtras.load(std::memory_order_acquire); 193edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!e) return; 194edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 195edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project AutoMutex _l(e->mLock); 196edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project e->mObjects.detach(objectID); 197edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 198edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 199edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectBBinder* BBinder::localBinder() 200edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 201edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return this; 202edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 203edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 204edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectBBinder::~BBinder() 205edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 2066913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest Extras* e = mExtras.load(std::memory_order_relaxed); 2073effababf2980d029339522fdc914bdeb913d99bHans Boehm if (e) delete e; 208edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 209edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 210edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 211edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t BBinder::onTransact( 2126f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross uint32_t code, const Parcel& data, Parcel* reply, uint32_t /*flags*/) 213edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 214edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 215edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case INTERFACE_TRANSACTION: 216edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reply->writeString16(getInterfaceDescriptor()); 217edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 218edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 219edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case DUMP_TRANSACTION: { 220edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int fd = data.readFileDescriptor(); 221edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int argc = data.readInt32(); 222edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Vector<String16> args; 223edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project for (int i = 0; i < argc && data.dataAvail() > 0; i++) { 224edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project args.add(data.readString16()); 225edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 226edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return dump(fd, args); 227edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 228555f89d8df316cdc5a25dbedb8614c2ac7a5e0a9Dianne Hackborn 22923eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn case SHELL_COMMAND_TRANSACTION: { 23023eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn int in = data.readFileDescriptor(); 23123eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn int out = data.readFileDescriptor(); 23223eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn int err = data.readFileDescriptor(); 23323eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn int argc = data.readInt32(); 23423eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn Vector<String16> args; 23523eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn for (int i = 0; i < argc && data.dataAvail() > 0; i++) { 23623eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn args.add(data.readString16()); 23723eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn } 2381941a404d642b3dfaac365ba494f1e9912876f00Dianne Hackborn sp<IShellCallback> shellCallback = IShellCallback::asInterface( 2391941a404d642b3dfaac365ba494f1e9912876f00Dianne Hackborn data.readStrongBinder()); 24023eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn sp<IResultReceiver> resultReceiver = IResultReceiver::asInterface( 24123eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn data.readStrongBinder()); 24223eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn 243f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn // XXX can't add virtuals until binaries are updated. 244f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn //return shellCommand(in, out, err, args, resultReceiver); 2450a9a1c1ba5e5b14b583cf8ca5527ce4ac8618c8dChristopher Wiley (void)in; 2460a9a1c1ba5e5b14b583cf8ca5527ce4ac8618c8dChristopher Wiley (void)out; 2470a9a1c1ba5e5b14b583cf8ca5527ce4ac8618c8dChristopher Wiley (void)err; 2480a9a1c1ba5e5b14b583cf8ca5527ce4ac8618c8dChristopher Wiley 249f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn if (resultReceiver != NULL) { 250f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn resultReceiver->send(INVALID_OPERATION); 251f2bf93bb080b07159ec1395c1ea8edcf5e00e829Dianne Hackborn } 25223eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn } 25323eb1e20cf59e1238b65cc108f31dfbfd85b2337Dianne Hackborn 254555f89d8df316cdc5a25dbedb8614c2ac7a5e0a9Dianne Hackborn case SYSPROPS_TRANSACTION: { 255555f89d8df316cdc5a25dbedb8614c2ac7a5e0a9Dianne Hackborn report_sysprop_change(); 256555f89d8df316cdc5a25dbedb8614c2ac7a5e0a9Dianne Hackborn return NO_ERROR; 257555f89d8df316cdc5a25dbedb8614c2ac7a5e0a9Dianne Hackborn } 258555f89d8df316cdc5a25dbedb8614c2ac7a5e0a9Dianne Hackborn 259edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 260edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return UNKNOWN_TRANSACTION; 261edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 262edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 263edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 264edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 265edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 266edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectenum { 267edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // This is used to transfer ownership of the remote binder from 268edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // the BpRefBase object holding it (when it is constructed), to the 269edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // owner of the BpRefBase object when it first acquires that BpRefBase. 270edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project kRemoteAcquired = 0x00000001 271edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 272edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 273edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectBpRefBase::BpRefBase(const sp<IBinder>& o) 274edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : mRemote(o.get()), mRefs(NULL), mState(0) 275edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 276edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project extendObjectLifetime(OBJECT_LIFETIME_WEAK); 277edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 278edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mRemote) { 279edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mRemote->incStrong(this); // Removed on first IncStrong(). 280edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mRefs = mRemote->createWeak(this); // Held for our entire lifetime. 281edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 282edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 283edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 284edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectBpRefBase::~BpRefBase() 285edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 286edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mRemote) { 2876913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest if (!(mState.load(std::memory_order_relaxed)&kRemoteAcquired)) { 288edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mRemote->decStrong(this); 289edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 290edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mRefs->decWeak(this); 291edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 292edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 293edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 294edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid BpRefBase::onFirstRef() 295edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 2966913c46492f1153cecc647a87217fbb0b0d19689Bailey Forrest mState.fetch_or(kRemoteAcquired, std::memory_order_relaxed); 297edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 298edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 2996f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid BpRefBase::onLastStrongRef(const void* /*id*/) 300edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 301edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mRemote) { 302edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mRemote->decStrong(this); 303edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 304edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 305edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3066f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossbool BpRefBase::onIncStrongAttempted(uint32_t /*flags*/, const void* /*id*/) 307edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 308edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mRemote ? mRefs->attemptIncStrong(this) : false; 309edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 310edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 311edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 312edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 313edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 314