1 /* 2 * Copyright (c) 2018 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 CALL_SIMULATED_PACKET_RECEIVER_H_ 12 #define CALL_SIMULATED_PACKET_RECEIVER_H_ 13 14 #include "api/test/simulated_network.h" 15 #include "call/packet_receiver.h" 16 17 namespace webrtc { 18 19 // Private API that is fixing surface between DirectTransport and underlying 20 // network conditions simulation implementation. 21 class SimulatedPacketReceiverInterface : public PacketReceiver { 22 public: 23 // Must not be called in parallel with DeliverPacket or Process. 24 // Destination receiver will be injected with this method 25 virtual void SetReceiver(PacketReceiver* receiver) = 0; 26 27 // Reports average packet delay. 28 virtual int AverageDelay() = 0; 29 30 // Process any pending tasks such as timeouts. 31 // Called on a worker thread. 32 virtual void Process() = 0; 33 34 // Returns the time until next process or nullopt to indicate that the next 35 // process time is unknown. If the next process time is unknown, this should 36 // be checked again any time a packet is enqueued. 37 virtual absl::optional<int64_t> TimeUntilNextProcess() = 0; 38 }; 39 40 } // namespace webrtc 41 42 #endif // CALL_SIMULATED_PACKET_RECEIVER_H_ 43