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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_SCENARIO_NETWORK_NETWORK_EMULATION_MANAGER_H_
#define TEST_SCENARIO_NETWORK_NETWORK_EMULATION_MANAGER_H_
#include <memory>
#include <utility>
#include <vector>
#include "api/test/simulated_network.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "rtc_base/logging.h"
#include "rtc_base/task_queue.h"
#include "rtc_base/task_utils/repeating_task.h"
#include "rtc_base/thread.h"
#include "test/scenario/network/fake_network_socket_server.h"
#include "test/scenario/network/network_emulation.h"
namespace webrtc {
namespace test {
class NetworkEmulationManager {
public:
explicit NetworkEmulationManager(Clock* clock);
~NetworkEmulationManager();
EmulatedNetworkNode* CreateEmulatedNode(
std::unique_ptr<NetworkBehaviorInterface> network_behavior);
// TODO(titovartem) add method without IP address, where manager
// will provided some unique generated address.
EndpointNode* CreateEndpoint(rtc::IPAddress ip);
void CreateRoute(EndpointNode* from,
std::vector<EmulatedNetworkNode*> via_nodes,
EndpointNode* to);
void ClearRoute(EndpointNode* from,
std::vector<EmulatedNetworkNode*> via_nodes,
EndpointNode* to);
rtc::Thread* CreateNetworkThread(std::vector<EndpointNode*> endpoints);
void Start();
void Stop();
private:
FakeNetworkSocketServer* CreateSocketServer(
std::vector<EndpointNode*> endpoints);
void ProcessNetworkPackets();
Timestamp Now() const;
Clock* const clock_;
int next_node_id_;
RepeatingTaskHandle process_task_handle_;
// All objects can be added to the manager only when it is idle.
std::vector<std::unique_ptr<EndpointNode>> endpoints_;
std::vector<std::unique_ptr<EmulatedNetworkNode>> network_nodes_;
std::vector<std::unique_ptr<FakeNetworkSocketServer>> socket_servers_;
std::vector<std::unique_ptr<rtc::Thread>> threads_;
// Must be the last field, so it will be deleted first, because tasks
// in the TaskQueue can access other fields of the instance of this class.
rtc::TaskQueue task_queue_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_SCENARIO_NETWORK_NETWORK_EMULATION_MANAGER_H_