52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef NETD_SERVER_EVENT_REPORTER_H
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#define NETD_SERVER_EVENT_REPORTER_H
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#include <atomic>
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#include <binder/IServiceManager.h>
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#include <mutex>
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#include "android/net/metrics/INetdEventListener.h"
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/*
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* This class stores the reporting level and can be used to get the event listener service.
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*/
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class EventReporter {
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public:
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int setMetricsReportingLevel(const int level);
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int getMetricsReportingLevel() const;
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// Returns the binder reference to the netd events listener service, attempting to fetch it if
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// we do not have it already. This method is threadsafe.
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android::sp<android::net::metrics::INetdEventListener> getNetdEventListener();
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private:
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std::atomic_int mReportingLevel{
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android::net::metrics::INetdEventListener::REPORTING_LEVEL_FULL};
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// TODO: consider changing this into an atomic type such as
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// std::atomic<android::net::metrics::INetdEventListener> and deleting the mutex.
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//
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// Alternatively, if this locking causes a performance penalty, have each single-threaded
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// caller (DnsProxyListener, FwmarkServer) keep their own per-thread copy of NetdEventListener
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// and remove mNetdEventListener entirely.
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android::sp<android::net::metrics::INetdEventListener> mNetdEventListener;
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std::mutex mutex;
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};
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#endif // NETD_SERVER_EVENT_REPORTER_H
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