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52 lines
1.9 KiB
52 lines
1.9 KiB
/* |
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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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