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/*
* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef TEST_NETWORK_EMULATED_NETWORK_MANAGER_H_
#define TEST_NETWORK_EMULATED_NETWORK_MANAGER_H_
#include <functional>
#include <memory>
#include <vector>
#include "api/sequence_checker.h"
#include "api/test/network_emulation_manager.h"
#include "api/test/time_controller.h"
#include "rtc_base/ip_address.h"
#include "rtc_base/network.h"
#include "rtc_base/socket_server.h"
#include "rtc_base/thread.h"
#include "test/network/network_emulation.h"
namespace webrtc {
namespace test {
// Framework assumes that rtc::NetworkManager is called from network thread.
class EmulatedNetworkManager : public rtc::NetworkManagerBase,
public sigslot::has_slots<>,
public EmulatedNetworkManagerInterface {
public:
EmulatedNetworkManager(TimeController* time_controller,
TaskQueueForTest* task_queue,
EndpointsContainer* endpoints_container);
void EnableEndpoint(EmulatedEndpointImpl* endpoint);
void DisableEndpoint(EmulatedEndpointImpl* endpoint);
// NetworkManager interface. All these methods are supposed to be called from
// the same thread.
void StartUpdating() override;
void StopUpdating() override;
// We don't support any address interfaces in the network emulation framework.
std::vector<const rtc::Network*> GetAnyAddressNetworks() override {
return {};
}
// EmulatedNetworkManagerInterface API
rtc::Thread* network_thread() override { return network_thread_.get(); }
rtc::NetworkManager* network_manager() override { return this; }
rtc::PacketSocketFactory* packet_socket_factory() override {
return packet_socket_factory_.get();
}
std::vector<EmulatedEndpoint*> endpoints() const override {
return endpoints_container_->GetEndpoints();
}
void GetStats(
std::function<void(EmulatedNetworkStats)> stats_callback) const override;
private:
void UpdateNetworksOnce();
void MaybeSignalNetworksChanged();
TaskQueueForTest* const task_queue_;
const EndpointsContainer* const endpoints_container_;
// The `network_thread_` must outlive `packet_socket_factory_`, because they
// both refer to a socket server that is owned by `network_thread_`. Both
// pointers are assigned only in the constructor, but the way they are
// initialized unfortunately doesn't work with const std::unique_ptr<...>.
std::unique_ptr<rtc::Thread> network_thread_;
std::unique_ptr<rtc::PacketSocketFactory> packet_socket_factory_;
bool sent_first_update_ RTC_GUARDED_BY(network_thread_);
int start_count_ RTC_GUARDED_BY(network_thread_);
};
} // namespace test
} // namespace webrtc
#endif // TEST_NETWORK_EMULATED_NETWORK_MANAGER_H_
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