1 /* 2 * Copyright (c) 2019 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef TEST_NETWORK_TRAFFIC_ROUTE_H_ 12 #define TEST_NETWORK_TRAFFIC_ROUTE_H_ 13 14 #include <memory> 15 #include <vector> 16 17 #include "api/test/network_emulation_manager.h" 18 #include "rtc_base/copy_on_write_buffer.h" 19 #include "system_wrappers/include/clock.h" 20 #include "test/network/network_emulation.h" 21 22 namespace webrtc { 23 namespace test { 24 25 // Represents the endpoint for cross traffic that is going through the network. 26 // It can be used to emulate unexpected network load. 27 class CrossTrafficRouteImpl final : public CrossTrafficRoute { 28 public: 29 CrossTrafficRouteImpl(Clock* clock, 30 EmulatedNetworkReceiverInterface* receiver, 31 EmulatedEndpointImpl* endpoint); 32 ~CrossTrafficRouteImpl(); 33 34 // Triggers sending of dummy packets with size `packet_size` bytes. 35 void TriggerPacketBurst(size_t num_packets, size_t packet_size) override; 36 // Sends a packet over the nodes and runs `action` when it has been delivered. 37 void NetworkDelayedAction(size_t packet_size, 38 std::function<void()> action) override; 39 40 void SendPacket(size_t packet_size) override; 41 42 private: 43 void SendPacket(size_t packet_size, uint16_t dest_port); 44 45 Clock* const clock_; 46 EmulatedNetworkReceiverInterface* const receiver_; 47 EmulatedEndpointImpl* const endpoint_; 48 49 uint16_t null_receiver_port_; 50 std::unique_ptr<EmulatedNetworkReceiverInterface> null_receiver_; 51 std::vector<std::unique_ptr<EmulatedNetworkReceiverInterface>> actions_; 52 }; 53 54 } // namespace test 55 } // namespace webrtc 56 57 #endif // TEST_NETWORK_TRAFFIC_ROUTE_H_ 58