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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef NETWORK_NETWORK_COLLECTOR_H_
#define NETWORK_NETWORK_COLLECTOR_H_
#include "network/network_sampler.h"
#include "network/network_files.h"
#include "profiler_server/profiler_data_service.h"
#include <atomic>
#include <memory>
#include <thread>
#include <vector>
namespace profiler {
// Class that runs in the background, continuously collecting network data
class NetworkCollector final {
public:
NetworkCollector(int pid, profiler_server::ProfilerDataService *service)
: pid_(pid), service_(service) {}
~NetworkCollector();
// Creates a thread that collects and saves network data continually.
void StartProfile();
// Stops collecting data and wait for thread exit.
void StopProfile();
private:
// First reads app uid from file, then creates app network data samplers;
// collectors are saved into a vector member variable.
void CreateSamplers();
// Continually collects data on a background thread until stopped.
void Collect();
static const int kSleepMicroseconds = 300 * 1000;
// App pid.
int pid_;
// Service to pass data to.
profiler_server::ProfilerDataService *service_;
// Thread that network profile operations run on.
std::thread profiler_thread_;
// True if profile operations is running, false otherwise.
std::atomic_bool is_running_;
// Vector to hold data collectors which may need some steps to create.
std::vector<std::unique_ptr<NetworkSampler>> samplers_;
};
} // namespace profiler
#endif // NETWORK_NETWORK_COLLECTOR_H_
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