1 /* 2 * Copyright (C) 2016 The Android Open Source Project 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 #ifndef NETD_SERVER_EVENT_REPORTER_H 18 #define NETD_SERVER_EVENT_REPORTER_H 19 20 #include <map> 21 #include <mutex> 22 23 #include <android-base/thread_annotations.h> 24 #include <binder/IServiceManager.h> 25 #include "android/net/INetd.h" 26 #include "android/net/INetdUnsolicitedEventListener.h" 27 #include "android/net/metrics/INetdEventListener.h" 28 29 /* 30 * This class can be used to get the event listener service. 31 */ 32 class EventReporter { 33 public: 34 using UnsolListenerMap = 35 std::map<const android::sp<android::net::INetdUnsolicitedEventListener>, 36 const android::sp<android::IBinder::DeathRecipient>>; 37 38 // Returns the binder reference to the netd events listener service, attempting to fetch it if 39 // we do not have it already. This method is threadsafe. 40 android::sp<android::net::metrics::INetdEventListener> getNetdEventListener(); 41 42 // Returns a copy of the registered listeners. 43 UnsolListenerMap getNetdUnsolicitedEventListenerMap() const EXCLUDES(mUnsolicitedMutex); 44 45 void registerUnsolEventListener( 46 const android::sp<android::net::INetdUnsolicitedEventListener>& listener) 47 EXCLUDES(mUnsolicitedMutex); 48 void unregisterUnsolEventListener( 49 const android::sp<android::net::INetdUnsolicitedEventListener>& listener) 50 EXCLUDES(mUnsolicitedMutex); 51 52 private: 53 std::mutex mEventMutex; 54 mutable std::mutex mUnsolicitedMutex; 55 android::sp<android::net::metrics::INetdEventListener> mNetdEventListener 56 GUARDED_BY(mEventMutex); 57 UnsolListenerMap mUnsolListenerMap GUARDED_BY(mUnsolicitedMutex); 58 }; 59 60 #endif // NETD_SERVER_EVENT_REPORTER_H 61