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// Copyright (c) 2006-2008 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 NET_BASE_SOCKET_H_
#define NET_BASE_SOCKET_H_
#include "net/base/completion_callback.h"
namespace net {
// Represents a read/write socket.
class Socket {
public:
virtual ~Socket() {}
// Reads data, up to buf_len bytes, from the socket. The number of bytes
// read is returned, or an error is returned upon failure. Zero is returned
// to indicate end-of-file. 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.
virtual int Read(char* buf, int buf_len,
CompletionCallback* callback) = 0;
// Writes data, up to buf_len bytes, to the socket. Note: only part of the
// data may be written! 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.
virtual int Write(const char* buf, int buf_len,
CompletionCallback* callback) = 0;
};
} // namespace net
#endif // NET_BASE_SOCKET_H_
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