1 // 2 // Copyright (C) 2015 Google, Inc. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at: 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #include "service/ipc/binder/ipc_handler_binder.h" 18 19 #include <base/bind.h> 20 #include <base/logging.h> 21 #include <base/message_loop/message_loop.h> 22 #include <binder/IPCThreadState.h> 23 #include <binder/IServiceManager.h> 24 #include <binder/ProcessState.h> 25 26 #include "service/ipc/binder/bluetooth_binder_server.h" 27 28 using android::defaultServiceManager; 29 using android::sp; 30 using android::status_t; 31 using android::String16; 32 33 namespace ipc { 34 35 IPCHandlerBinder::IPCHandlerBinder( 36 bluetooth::Adapter* adapter, 37 IPCManager::Delegate* delegate) 38 : IPCHandler(adapter, delegate) { 39 } 40 41 IPCHandlerBinder::~IPCHandlerBinder() { 42 } 43 44 bool IPCHandlerBinder::Run() { 45 CHECK(adapter()); 46 47 // Register the IBluetooth service with the Android ServiceManager. 48 android::sp<binder::BluetoothBinderServer> bt_server = 49 new binder::BluetoothBinderServer(adapter()); 50 status_t status = defaultServiceManager()->addService( 51 String16(binder::IBluetooth::kServiceName), 52 bt_server); 53 if (status != android::NO_ERROR) { 54 LOG(ERROR) << "Failed to register Bluetooth service with ServiceManager"; 55 return false; 56 } 57 58 // Notify the delegate. We do this in the message loop to avoid reentrancy. 59 if (delegate()) { 60 base::MessageLoop::current()->task_runner()->PostTask( 61 FROM_HERE, 62 base::Bind(&IPCHandlerBinder::NotifyStarted, this)); 63 } 64 65 android::ProcessState::self()->startThreadPool(); 66 67 return true; 68 } 69 70 void IPCHandlerBinder::Stop() { 71 // TODO(armansito): There are several methods in android::IPCThreadState that 72 // are related to shutting down the threadpool, however I haven't been able to 73 // make them shut things down cleanly. Figure out the right way to stop the 74 // Binder IPC here. 75 } 76 77 void IPCHandlerBinder::NotifyStarted() { 78 if (delegate()) 79 delegate()->OnIPCHandlerStarted(IPCManager::TYPE_BINDER); 80 } 81 82 } // namespace ipc 83