Implement parts of the Mojo TCP interfaces.

mojo/services/network/tcp_server_socket_impl.h

Index: mojo/services/network/tcp_server_socket_impl.h
diff --git a/mojo/services/network/tcp_server_socket_impl.h b/mojo/services/network/tcp_server_socket_impl.h
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+// Copyright 2014 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 MOJO_SERVICES_NETWORK_TCP_SERVER_SOCKET_H_
+#define MOJO_SERVICES_NETWORK_TCP_SERVER_SOCKET_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "mojo/public/cpp/bindings/interface_impl.h"
+#include "mojo/services/public/interfaces/network/tcp_server_socket.mojom.h"
+#include "net/base/ip_endpoint.h"
+#include "net/socket/tcp_socket.h"
+
+namespace mojo {
+
+class TCPServerSocketImpl : public InterfaceImpl<TCPServerSocket> {
+ public:
+  typedef Callback<void(NetworkErrorPtr, NetAddressPtr)> AcceptCallback;
+
+  // Passed ownership of a socket already in listening mode.
+  explicit TCPServerSocketImpl(scoped_ptr<net::TCPSocket> socket);
+  virtual ~TCPServerSocketImpl();
+
+  // TCPServerSocket.
+  virtual void Accept(
+      ScopedDataPipeConsumerHandle send_stream,
+      ScopedDataPipeProducerHandle receive_stream,
+      InterfaceRequest<TCPConnectedSocket> client_socket,
+      const AcceptCallback& callback) override;
+
+ private:
+  void OnAcceptCompleted(int result);
+
+  scoped_ptr<net::TCPSocket> socket_;
+
+  // Non-null when accept is pending.
+  AcceptCallback pending_callback_;
+
+  // The parameters associated with the pending Accept call.
+  ScopedDataPipeConsumerHandle pending_send_stream_;
+  ScopedDataPipeProducerHandle pending_receive_stream_;
+  InterfaceRequest<TCPConnectedSocket> pending_client_socket_;
+
+  // These are written to by net::TCPSocket when Accept is completed.
+  scoped_ptr<net::TCPSocket> accepted_socket_;
+  net::IPEndPoint accepted_address_;
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_NETWORK_TCP_SERVER_SOCKET_H_