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 "rtc_base/copy_on_write_buffer.h" 18 #include "system_wrappers/include/clock.h" 19 #include "test/network/network_emulation.h" 20 21 namespace webrtc { 22 namespace test { 23 24 // Represents the endpoint for cross traffic that is going through the network. 25 // It can be used to emulate unexpected network load. 26 class TrafficRoute { 27 public: 28 TrafficRoute(Clock* clock, 29 EmulatedNetworkReceiverInterface* receiver, 30 EmulatedEndpoint* endpoint); 31 ~TrafficRoute(); 32 33 // Triggers sending of dummy packets with size |packet_size| bytes. 34 void TriggerPacketBurst(size_t num_packets, size_t packet_size); 35 // Sends a packet over the nodes and runs |action| when it has been delivered. 36 void NetworkDelayedAction(size_t packet_size, std::function<void()> action); 37 38 void SendPacket(size_t packet_size); 39 40 private: 41 void SendPacket(size_t packet_size, uint16_t dest_port); 42 43 Clock* const clock_; 44 EmulatedNetworkReceiverInterface* const receiver_; 45 EmulatedEndpoint* const endpoint_; 46 47 uint16_t null_receiver_port_; 48 std::unique_ptr<EmulatedNetworkReceiverInterface> null_receiver_; 49 std::vector<std::unique_ptr<EmulatedNetworkReceiverInterface>> actions_; 50 }; 51 52 } // namespace test 53 } // namespace webrtc 54 55 #endif // TEST_NETWORK_TRAFFIC_ROUTE_H_ 56