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/*
* 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_TRAFFIC_ROUTE_H_
#define TEST_NETWORK_TRAFFIC_ROUTE_H_
#include <memory>
#include <vector>
#include "api/test/network_emulation_manager.h"
#include "rtc_base/copy_on_write_buffer.h"
#include "system_wrappers/include/clock.h"
#include "test/network/network_emulation.h"
namespace webrtc {
namespace test {
// Represents the endpoint for cross traffic that is going through the network.
// It can be used to emulate unexpected network load.
class CrossTrafficRouteImpl final : public CrossTrafficRoute {
public:
CrossTrafficRouteImpl(Clock* clock,
EmulatedNetworkReceiverInterface* receiver,
EmulatedEndpointImpl* endpoint);
~CrossTrafficRouteImpl();
// Triggers sending of dummy packets with size `packet_size` bytes.
void TriggerPacketBurst(size_t num_packets, size_t packet_size) override;
// Sends a packet over the nodes and runs `action` when it has been delivered.
void NetworkDelayedAction(size_t packet_size,
std::function<void()> action) override;
void SendPacket(size_t packet_size) override;
private:
void SendPacket(size_t packet_size, uint16_t dest_port);
Clock* const clock_;
EmulatedNetworkReceiverInterface* const receiver_;
EmulatedEndpointImpl* const endpoint_;
uint16_t null_receiver_port_;
std::unique_ptr<EmulatedNetworkReceiverInterface> null_receiver_;
std::vector<std::unique_ptr<EmulatedNetworkReceiverInterface>> actions_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_NETWORK_TRAFFIC_ROUTE_H_
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