Add forwarder2

tools/android/forwarder2/command.h

Index: tools/android/forwarder2/command.h
diff --git a/tools/android/forwarder2/command.h b/tools/android/forwarder2/command.h
new file mode 100644
index 0000000000000000000000000000000000000000..a17827846b93edb394597906db7863900c89a1cd
--- /dev/null
+++ b/tools/android/forwarder2/command.h
@@ -0,0 +1,43 @@
+// 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 TOOLS_ANDROID_FORWARDER2_COMMAND_H_
+#define TOOLS_ANDROID_FORWARDER2_COMMAND_H_
+
+#include "base/basictypes.h"
+
+namespace forwarder {
+
+class Socket;
+
+namespace command {
+
+enum Type {
+  ACCEPT_ERROR = 0,
+  ACCEPT_SUCCESS,
+  ACK,
+  ADB_DATA_SOCKET_ERROR,
+  ADB_DATA_SOCKET_SUCCESS,
+  BIND_ERROR,
+  BIND_SUCCESS,
+  DATA_CONNECTION,
+  HOST_SERVER_ERROR,
+  HOST_SERVER_SUCCESS,
+  KILL_ALL_LISTENERS,
+  LISTEN
+};
+
+}  // namespace command
+
+bool ReadCommand(Socket* socket, int* port, command::Type* command_type);
+
+// Helper function to read the command from the |socket| and return true if the
+// |command| is equal to the given command parameter.
+bool ReceivedCommand(command::Type command, Socket* socket);
+
+bool SendCommand(command::Type command, int port, Socket* socket);
+
+}  // namespace forwarder
+
+#endif  // TOOLS_ANDROID_FORWARDER2_COMMAND_H_