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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_CAST_NET_UDP_TRANSPORT_INTERFACE_H_
#define MEDIA_CAST_NET_UDP_TRANSPORT_INTERFACE_H_
#include "mojo/public/cpp/system/data_pipe.h"
namespace media {
namespace cast {
// TODO(xjz): Define these interfaces in the mojom file.
// This class receives packets from the UdpTransportHost.
class UdpTransportReceiver {
public:
virtual ~UdpTransportReceiver() {}
// Called when a UDP packet is received.
virtual void OnPacketReceived(const std::vector<uint8_t>& packet) = 0;
};
// When requested to start receiving packets, this class receives UDP packets
// and passes them to the UdpTransportReceiver.
// When requested to start sending packets, this class reads UDP packets from
// the mojo data pipe and sends them over network.
class UdpTransport {
public:
virtual ~UdpTransport() {}
// Called to start/stop receiving UDP packets. The received UDP packets will
// be passed to the |receiver|.
// TODO(xjz): Use a data pipe for received packets if this interface starts
// being used by cast receiver in future. For now, this is only used by cast
// sender, which only receives small-sized RTCP packets.
virtual void StartReceiving(UdpTransportReceiver* receiver) = 0;
virtual void StopReceiving() = 0;
// Called to start sending the UDP packets that received through the mojo data
// pipe.
virtual void StartSending(mojo::ScopedDataPipeConsumerHandle packet_pipe) = 0;
};
} // namespace cast
} // namespace media
#endif // MEDIA_CAST_NET_UDP_TRANSPORT_INTERFACE_H_
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