Implement PseudoTCP adapter.

The new PseudoTcpAdapter will replace PseudoTcpChannel in remoting/protocol
and will also be used for Pepper P2P APIs.

BUG=None
TEST=Unittests

Review URL: http://codereview.chromium.org/6879119

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@82606 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 95 insertions, 0 deletions

diff --git a/jingle/glue/pseudotcp_adapter.h b/jingle/glue/pseudotcp_adapter.h
new file mode 100644
index 0000000..0001991
--- /dev/null
+++ b/jingle/glue/pseudotcp_adapter.h
@@ -0,0 +1,95 @@
+// Copyright (c) 2011 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 JINGLE_GLUE_PSEUDOTCP_ADAPTER_H_
+#define JINGLE_GLUE_PSEUDOTCP_ADAPTER_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/timer.h"
+#include "base/threading/non_thread_safe.h"
+#include "net/base/net_log.h"
+#include "net/socket/client_socket.h"
+#include "third_party/libjingle/source/talk/p2p/base/pseudotcp.h"
+
+namespace jingle_glue {
+
+class PseudoTcpAdapter : public net::ClientSocket,
+                         public cricket::IPseudoTcpNotify,
+                         public base::NonThreadSafe {
+ public:
+  // Creates adapter for the specified |socket|. |socket| is assumed
+  // to be already connected. Takes ownership of |socket|.
+  PseudoTcpAdapter(net::Socket* socket);
+  virtual ~PseudoTcpAdapter();
+
+  // net::Socket implementation.
+  virtual int Read(net::IOBuffer* buffer, int buffer_size,
+                   net::CompletionCallback* callback) OVERRIDE;
+  virtual int Write(net::IOBuffer* buffer, int buffer_size,
+                    net::CompletionCallback* callback) OVERRIDE;
+  virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
+  virtual bool SetSendBufferSize(int32 size) OVERRIDE;
+
+  // net::ClientSocket implementation.
+  virtual int Connect(net::CompletionCallback* callback) OVERRIDE;
+  virtual void Disconnect() OVERRIDE;
+  virtual bool IsConnected() const OVERRIDE;
+  virtual bool IsConnectedAndIdle() const OVERRIDE;
+  virtual int GetPeerAddress(net::AddressList* address) const OVERRIDE;
+  virtual int GetLocalAddress(net::IPEndPoint* address) const OVERRIDE;
+  virtual const net::BoundNetLog& NetLog() const OVERRIDE;
+  virtual void SetSubresourceSpeculation() OVERRIDE;
+  virtual void SetOmniboxSpeculation() OVERRIDE;
+  virtual bool WasEverUsed() const OVERRIDE;
+  virtual bool UsingTCPFastOpen() const OVERRIDE;
+
+  // cricket::IPseudoTcpNotify implementation.
+  virtual void OnTcpOpen(cricket::PseudoTcp* tcp) OVERRIDE;
+  virtual void OnTcpReadable(cricket::PseudoTcp* tcp) OVERRIDE;
+  virtual void OnTcpWriteable(cricket::PseudoTcp* tcp) OVERRIDE;
+  virtual void OnTcpClosed(cricket::PseudoTcp* tcp, uint32 error) OVERRIDE;
+  virtual WriteResult TcpWritePacket(cricket::PseudoTcp* tcp,
+                                     const char* buffer, size_t len) OVERRIDE;
+
+ private:
+  void DoReadFromSocket();
+  void HandleReadResults(int result);
+
+  // Callback functions for Read() and Write() in |socket_|
+  void OnRead(int result);
+  void OnWritten(int result);
+
+  void AdjustClock();
+  void HandleTcpClock();
+
+  scoped_ptr<net::Socket> socket_;
+  cricket::PseudoTcp pseudotcp_;
+
+  net::CompletionCallback* connect_callback_;
+  scoped_refptr<net::IOBuffer> read_buffer_;
+  int read_buffer_size_;
+  net::CompletionCallback* read_callback_;
+  scoped_refptr<net::IOBuffer> write_buffer_;
+  int write_buffer_size_;
+  net::CompletionCallback* write_callback_;
+
+  bool socket_write_pending_;
+  scoped_refptr<net::IOBuffer> socket_read_buffer_;
+
+  net::CompletionCallbackImpl<PseudoTcpAdapter> socket_read_callback_;
+  net::CompletionCallbackImpl<PseudoTcpAdapter> socket_write_callback_;
+
+  base::OneShotTimer<PseudoTcpAdapter> timer_;
+
+  net::BoundNetLog net_log_;
+
+  DISALLOW_COPY_AND_ASSIGN(PseudoTcpAdapter);
+};
+
+}  // namespace jingle_glue
+
+#endif  // JINGLE_GLUE_STREAM_SOCKET_ADAPTER_H_