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- // Copyright 2015 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 REMOTING_PROTOCOL_P2P_STREAM_SOCKET_H_
- #define REMOTING_PROTOCOL_P2P_STREAM_SOCKET_H_
- #include "net/base/completion_once_callback.h"
- #include "net/traffic_annotation/network_traffic_annotation.h"
- namespace net {
- class IOBuffer;
- } // namespace net
- namespace remoting {
- namespace protocol {
- // Peer-to-peer socket with stream semantics.
- class P2PStreamSocket {
- public:
- virtual ~P2PStreamSocket() {}
- // Reads data, up to |buf_len| bytes, from the socket. The number of bytes
- // read is returned, or an error is returned upon failure. ERR_IO_PENDING
- // is returned if the operation could not be completed synchronously, in which
- // case the result will be passed to the callback when available. If the
- // operation is not completed immediately, the socket acquires a reference to
- // the provided buffer until the callback is invoked or the socket is
- // closed. If the socket is destroyed before the read completes, the
- // callback will not be invoked.
- virtual int Read(const scoped_refptr<net::IOBuffer>& buf,
- int buf_len,
- net::CompletionOnceCallback callback) = 0;
- // Writes data, up to |buf_len| bytes, to the socket. Note: data may be
- // written partially. The number of bytes written is returned, or an error
- // is returned upon failure. ERR_IO_PENDING is returned if the operation could
- // not be completed synchronously, in which case the result will be passed to
- // the callback when available. If the operation is not completed
- // immediately, the socket acquires a reference to the provided buffer until
- // the callback is invoked or the socket is closed. Implementations of this
- // method should not modify the contents of the actual buffer that is written
- // to the socket.
- virtual int Write(
- const scoped_refptr<net::IOBuffer>& buf,
- int buf_len,
- net::CompletionOnceCallback callback,
- const net::NetworkTrafficAnnotationTag& traffic_annotation) = 0;
- };
- } // namespace protocol
- } // namespace remoting
- #endif // REMOTING_PROTOCOL_P2P_STREAM_SOCKET_H_
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