Adds a modified copy of talk/base to webrtc/base. It is the first step in migrating talk/base to webrtc/base.

BUG=N/A
R=andrew@webrtc.org, wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/12199004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6107 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/base/socketstream.h

@@ -0,0 +1,57 @@
+/*
+ *  Copyright 2005 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_BASE_SOCKETSTREAM_H_
+#define WEBRTC_BASE_SOCKETSTREAM_H_
+
+#include "webrtc/base/asyncsocket.h"
+#include "webrtc/base/common.h"
+#include "webrtc/base/stream.h"
+
+namespace rtc {
+
+///////////////////////////////////////////////////////////////////////////////
+
+class SocketStream : public StreamInterface, public sigslot::has_slots<> {
+ public:
+  explicit SocketStream(AsyncSocket* socket);
+  virtual ~SocketStream();
+
+  void Attach(AsyncSocket* socket);
+  AsyncSocket* Detach();
+
+  AsyncSocket* GetSocket() { return socket_; }
+
+  virtual StreamState GetState() const;
+
+  virtual StreamResult Read(void* buffer, size_t buffer_len,
+                            size_t* read, int* error);
+
+  virtual StreamResult Write(const void* data, size_t data_len,
+                             size_t* written, int* error);
+
+  virtual void Close();
+
+ private:
+  void OnConnectEvent(AsyncSocket* socket);
+  void OnReadEvent(AsyncSocket* socket);
+  void OnWriteEvent(AsyncSocket* socket);
+  void OnCloseEvent(AsyncSocket* socket, int err);
+
+  AsyncSocket* socket_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(SocketStream);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+}  // namespace rtc
+
+#endif  // WEBRTC_BASE_SOCKETSTREAM_H_