Chromium Code Reviews| Index: remoting/base/socket_reader.h |
| diff --git a/remoting/base/socket_reader.h b/remoting/base/socket_reader.h |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..fb1f06a25f6e3106116f18231f07c96a02590c88 |
| --- /dev/null |
| +++ b/remoting/base/socket_reader.h |
| @@ -0,0 +1,55 @@ |
| +// Copyright (c) 2012 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_BASE_SOCKET_READER_H_ |
| +#define REMOTING_BASE_SOCKET_READER_H_ |
| + |
| +#include "base/memory/ref_counted.h" |
| +#include "net/base/completion_callback.h" |
| +#include "base/memory/weak_ptr.h" |
| + |
| +namespace net { |
| +class IOBuffer; |
| +class Socket; |
| +} // namespace net |
| + |
| +namespace remoting { |
| + |
| +// SocketReader reads data from a socket and then calls a callback for each |
| +// completed read. Note that if this object is destroyed without destroying the |
| +// socket, it will leave a pending read request for the socket, so the calling |
| +// code should never be creating more than one reader for the same socket. |
|
Sergey Ulanov
2012/11/10 01:18:44
Updated this comment to make it clearer.
|
| +class SocketReader { |
| + public: |
| + // Callback that is called for each finished read. |data| may be set to NULL |
| + // in case of an error (result < 0). |
| + typedef base::Callback<void(scoped_refptr<net::IOBuffer> data, |
| + int result)> ReadResultCallback; |
| + |
| + SocketReader(); |
| + ~SocketReader(); |
| + |
| + // Starts reading from |socket|. |read_result_callback| is called for each |
| + // completed read. Reading stops on the first error. Must not be called more |
| + // than once. |
| + void Init(net::Socket* socket, ReadResultCallback read_result_callback); |
| + |
| + private: |
| + void DoRead(); |
| + void OnRead(int result); |
| + void HandleReadResult(int result); |
| + void CallCallback(scoped_refptr<net::IOBuffer> data, int result); |
| + |
| + net::Socket* socket_; |
| + ReadResultCallback read_result_callback_; |
| + scoped_refptr<net::IOBuffer> read_buffer_; |
| + |
| + base::WeakPtrFactory<SocketReader> weak_factory_; |
| + |
| + DISALLOW_COPY_AND_ASSIGN(SocketReader); |
| +}; |
| + |
| +} // namespace remoting |
| + |
| +#endif // REMOTING_BASE_SOCKET_READER_H_ |