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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/network_emulation_manager.h"
#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/network.h"
#include "rtc_base/task_queue_for_test.h"
#include "rtc_base/task_utils/repeating_task.h"
#include "rtc_base/thread.h"
#include "system_wrappers/include/clock.h"
#include "test/scenario/network/cross_traffic.h"
#include "test/scenario/network/emulated_network_manager.h"
#include "test/scenario/network/fake_network_socket_server.h"
#include "test/scenario/network/network_emulation.h"
#include "test/scenario/network/traffic_route.h"
#include "test/time_controller/time_controller.h"
namespace webrtc {
namespace test {
class NetworkEmulationManagerImpl : public NetworkEmulationManager {
public:
NetworkEmulationManagerImpl();
explicit NetworkEmulationManagerImpl(TimeController* time_controller);
~NetworkEmulationManagerImpl();
EmulatedNetworkNode* CreateEmulatedNode(
std::unique_ptr<NetworkBehaviorInterface> network_behavior) override;
EmulatedEndpoint* CreateEndpoint(EmulatedEndpointConfig config) override;
void EnableEndpoint(EmulatedEndpoint* endpoint) override;
void DisableEndpoint(EmulatedEndpoint* endpoint) override;
EmulatedRoute* CreateRoute(EmulatedEndpoint* from,
const std::vector<EmulatedNetworkNode*>& via_nodes,
EmulatedEndpoint* to) override;
EmulatedRoute* CreateRoute(
const std::vector<EmulatedNetworkNode*>& via_nodes);
void ClearRoute(EmulatedRoute* route) override;
TrafficRoute* CreateTrafficRoute(
const std::vector<EmulatedNetworkNode*>& via_nodes);
RandomWalkCrossTraffic* CreateRandomWalkCrossTraffic(
TrafficRoute* traffic_route,
RandomWalkConfig config);
PulsedPeaksCrossTraffic* CreatePulsedPeaksCrossTraffic(
TrafficRoute* traffic_route,
PulsedPeaksConfig config);
void StartFakeTcpCrossTraffic(EmulatedRoute* send_route,
EmulatedRoute* ret_route,
FakeTcpConfig config);
EmulatedNetworkManagerInterface* CreateEmulatedNetworkManagerInterface(
const std::vector<EmulatedEndpoint*>& endpoints) override;
private:
absl::optional<rtc::IPAddress> GetNextIPv4Address();
Timestamp Now() const;
Clock* const clock_;
int next_node_id_;
RepeatingTaskHandle process_task_handle_;
uint32_t next_ip4_address_;
std::set<rtc::IPAddress> used_ip_addresses_;
// All objects can be added to the manager only when it is idle.
std::vector<std::unique_ptr<EmulatedEndpoint>> endpoints_;
std::vector<std::unique_ptr<EmulatedNetworkNode>> network_nodes_;
std::vector<std::unique_ptr<EmulatedRoute>> routes_;
std::vector<std::unique_ptr<TrafficRoute>> traffic_routes_;
std::vector<std::unique_ptr<RandomWalkCrossTraffic>> random_cross_traffics_;
std::vector<std::unique_ptr<PulsedPeaksCrossTraffic>> pulsed_cross_traffics_;
std::vector<std::unique_ptr<FakeTcpCrossTraffic>> tcp_cross_traffics_;
std::vector<std::unique_ptr<EndpointsContainer>> endpoints_containers_;
std::vector<std::unique_ptr<EmulatedNetworkManager>> network_managers_;
std::map<EmulatedEndpoint*, EmulatedNetworkManager*>
endpoint_to_network_manager_;
// 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.
TaskQueueForTest task_queue_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_SCENARIO_NETWORK_NETWORK_EMULATION_MANAGER_H_