RSP proxy that can record session (for playback testing)....

build_tools/debug_server/debug_server/common/debug_socket.h

Index: build_tools/debug_server/debug_server/common/debug_socket.h
===================================================================
--- build_tools/debug_server/debug_server/common/debug_socket.h	(revision 0)
+++ build_tools/debug_server/debug_server/common/debug_socket.h	(revision 0)
@@ -0,0 +1,60 @@
+#ifndef NACL_SDK_BUILD_TOOLS_DEBUG_SERVER_COMMON_DEBUG_SOCKET_H_
+#define NACL_SDK_BUILD_TOOLS_DEBUG_SERVER_COMMON_DEBUG_SOCKET_H_
+
+#include <winsock.h>
+#include <string>
+#include "debug_blob.h"
+
+namespace debug {
+
+// Implements a listening socket.
+// Example:
+// ListeningSocket lsn;
+// lsn.Setup(4014);
+// Socket conn;
+// if (lsn.Accept(&conn, 200))
+//   DoSomethingWithNewConnection(conn);
+
+class Socket;
+class ListeningSocket {
+ public:
+  ListeningSocket();
+  ~ListeningSocket();
+  
+  bool Setup(int port);  // Listens on port.
+  bool Accept(Socket* new_connection, long wait_ms);
+  void Close();
+
+ protected:
+  SOCKET sock_;
+  bool init_success_;
+};
+
+// Implements a raw socket interface.
+// Example:
+// Socket conn;
+// if (conn.ConnectTo("172.29.20.175", 4016))
+//   DoSomethingWithNewConnection(conn);
+
+class Socket {
+ public:
+  Socket();
+  ~Socket();
+
+  bool ConnectTo(const std::string& host, int port);
+  bool IsConnected() const;
+  void Close();
+  size_t Read(void* buff, size_t sz, int wait_ms);
+  size_t Write(const void* buff, size_t sz, int wait_ms);
+  void WriteAll(const void* buff, size_t sz);
+  void WriteAll(const Blob& blob);
+  
+ protected:
+  void AttachTo(SOCKET sock);
+
+  SOCKET sock_;
+  bool init_success_;
+  friend class ListeningSocket;
+};
+}  // namespace debug
+#endif  // NACL_SDK_BUILD_TOOLS_DEBUG_SERVER_COMMON_DEBUG_SOCKET_H_