| /* |
| * Copyright (c) 2018 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 CALL_SIMULATED_PACKET_RECEIVER_H_ |
| #define CALL_SIMULATED_PACKET_RECEIVER_H_ |
| |
| #include <cstdint> |
| #include <optional> |
| |
| #include "call/packet_receiver.h" |
| |
| namespace webrtc { |
| |
| // Private API that is fixing surface between DirectTransport and underlying |
| // network conditions simulation implementation. |
| class SimulatedPacketReceiverInterface : public PacketReceiver { |
| public: |
| // Must not be called in parallel with DeliverPacket or Process. |
| // Destination receiver will be injected with this method |
| virtual void SetReceiver(PacketReceiver* receiver) = 0; |
| |
| // Reports average packet delay. |
| virtual int AverageDelay() = 0; |
| |
| // Process any pending tasks such as timeouts. |
| // Called on a worker thread. |
| virtual void Process() = 0; |
| |
| // Returns the time until next process or nullopt to indicate that the next |
| // process time is unknown. If the next process time is unknown, this should |
| // be checked again any time a packet is enqueued. |
| virtual std::optional<int64_t> TimeUntilNextProcess() = 0; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // CALL_SIMULATED_PACKET_RECEIVER_H_ |