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-rw-r--r-- | third_party/libwebrtc/test/network/network_emulation_manager.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/network/network_emulation_manager.h b/third_party/libwebrtc/test/network/network_emulation_manager.h new file mode 100644 index 0000000000..29debca693 --- /dev/null +++ b/third_party/libwebrtc/test/network/network_emulation_manager.h @@ -0,0 +1,138 @@ +/* + * 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_NETWORK_EMULATION_MANAGER_H_ +#define TEST_NETWORK_NETWORK_EMULATION_MANAGER_H_ + +#include <map> +#include <memory> +#include <set> +#include <utility> +#include <vector> + +#include "api/array_view.h" +#include "api/test/network_emulation_manager.h" +#include "api/test/simulated_network.h" +#include "api/test/time_controller.h" +#include "api/units/time_delta.h" +#include "api/units/timestamp.h" +#include "rtc_base/task_queue_for_test.h" +#include "rtc_base/task_utils/repeating_task.h" +#include "system_wrappers/include/clock.h" +#include "test/network/cross_traffic.h" +#include "test/network/emulated_network_manager.h" +#include "test/network/emulated_turn_server.h" +#include "test/network/network_emulation.h" + +namespace webrtc { +namespace test { + +class NetworkEmulationManagerImpl : public NetworkEmulationManager { + public: + NetworkEmulationManagerImpl( + TimeMode mode, + EmulatedNetworkStatsGatheringMode stats_gathering_mode); + ~NetworkEmulationManagerImpl(); + + EmulatedNetworkNode* CreateEmulatedNode(BuiltInNetworkBehaviorConfig config, + uint64_t random_seed = 1) override; + EmulatedNetworkNode* CreateEmulatedNode( + std::unique_ptr<NetworkBehaviorInterface> network_behavior) override; + + SimulatedNetworkNode::Builder NodeBuilder() override; + + EmulatedEndpointImpl* 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) override; + + EmulatedRoute* CreateDefaultRoute( + EmulatedEndpoint* from, + const std::vector<EmulatedNetworkNode*>& via_nodes, + EmulatedEndpoint* to) override; + + void ClearRoute(EmulatedRoute* route) override; + + TcpMessageRoute* CreateTcpRoute(EmulatedRoute* send_route, + EmulatedRoute* ret_route) override; + + CrossTrafficRoute* CreateCrossTrafficRoute( + const std::vector<EmulatedNetworkNode*>& via_nodes) override; + + CrossTrafficGenerator* StartCrossTraffic( + std::unique_ptr<CrossTrafficGenerator> generator) override; + void StopCrossTraffic(CrossTrafficGenerator* generator) override; + + EmulatedNetworkManagerInterface* CreateEmulatedNetworkManagerInterface( + const std::vector<EmulatedEndpoint*>& endpoints) override; + + void GetStats( + rtc::ArrayView<EmulatedEndpoint* const> endpoints, + std::function<void(EmulatedNetworkStats)> stats_callback) override; + + void GetStats( + rtc::ArrayView<EmulatedNetworkNode* const> nodes, + std::function<void(EmulatedNetworkNodeStats)> stats_callback) override; + + TimeController* time_controller() override { return time_controller_.get(); } + + TimeMode time_mode() const override { return time_mode_; } + + Timestamp Now() const; + + EmulatedTURNServerInterface* CreateTURNServer( + EmulatedTURNServerConfig config) override; + + private: + using CrossTrafficSource = + std::pair<std::unique_ptr<CrossTrafficGenerator>, RepeatingTaskHandle>; + + absl::optional<rtc::IPAddress> GetNextIPv4Address(); + + const TimeMode time_mode_; + const EmulatedNetworkStatsGatheringMode stats_gathering_mode_; + const std::unique_ptr<TimeController> time_controller_; + 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<CrossTrafficRoute>> traffic_routes_; + std::vector<CrossTrafficSource> cross_traffics_; + std::list<std::unique_ptr<TcpMessageRouteImpl>> tcp_message_routes_; + std::vector<std::unique_ptr<EndpointsContainer>> endpoints_containers_; + std::vector<std::unique_ptr<EmulatedNetworkManager>> network_managers_; + std::vector<std::unique_ptr<EmulatedTURNServer>> turn_servers_; + + 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_NETWORK_NETWORK_EMULATION_MANAGER_H_ |