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_ |