1 files changed, 102 insertions, 0 deletions
diff --git a/include/freerdp/server/echo.h b/include/freerdp/server/echo.h
new file mode 100644
index 0000000..609d8c3
--- /dev/null
+++ b/include/freerdp/server/echo.h
@@ -0,0 +1,102 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Echo Virtual Channel Extension
+ *
+ * Copyright 2014 Vic Lee
+ * Copyright 2015 Thincast Technologies GmbH
+ * Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *	 http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FREERDP_CHANNEL_ECHO_SERVER_H
+#define FREERDP_CHANNEL_ECHO_SERVER_H
+
+#include <freerdp/channels/wtsvc.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+	typedef enum ECHO_SERVER_OPEN_RESULT
+	{
+		ECHO_SERVER_OPEN_RESULT_OK = 0,
+		ECHO_SERVER_OPEN_RESULT_CLOSED = 1,
+		ECHO_SERVER_OPEN_RESULT_NOTSUPPORTED = 2,
+		ECHO_SERVER_OPEN_RESULT_ERROR = 3
+	} ECHO_SERVER_OPEN_RESULT;
+
+	typedef struct s_echo_server_context echo_server_context;
+
+	typedef BOOL (*psEchoServerChannelIdAssigned)(echo_server_context* context, UINT32 channelId);
+
+	typedef UINT (*psEchoServerOpen)(echo_server_context* context);
+	typedef UINT (*psEchoServerClose)(echo_server_context* context);
+	typedef BOOL (*psEchoServerRequest)(echo_server_context* context, const BYTE* buffer,
+	                                    UINT32 length);
+
+	typedef UINT (*psEchoServerOpenResult)(echo_server_context* context,
+	                                       ECHO_SERVER_OPEN_RESULT result);
+	typedef UINT (*psEchoServerResponse)(echo_server_context* context, const BYTE* buffer,
+	                                     UINT32 length);
+
+	struct s_echo_server_context
+	{
+		HANDLE vcm;
+
+		/* Server self-defined pointer. */
+		void* data;
+
+		/*** APIs called by the server. ***/
+		/**
+		 * Open the echo channel.
+		 */
+		psEchoServerOpen Open;
+		/**
+		 * Close the echo channel.
+		 */
+		psEchoServerClose Close;
+		/**
+		 * Send echo request PDU.
+		 */
+		psEchoServerRequest Request;
+
+		/*** Callbacks registered by the server. ***/
+		/**
+		 * Indicate whether the channel is opened successfully.
+		 */
+		psEchoServerOpenResult OpenResult;
+		/**
+		 * Receive echo response PDU.
+		 */
+		psEchoServerResponse Response;
+
+		rdpContext* rdpcontext;
+
+		/**
+		 * Callback, when the channel got its id assigned.
+		 */
+		psEchoServerChannelIdAssigned ChannelIdAssigned;
+	};
+
+	FREERDP_API void echo_server_context_free(echo_server_context* context);
+
+	WINPR_ATTR_MALLOC(echo_server_context_free, 1)
+	FREERDP_API echo_server_context* echo_server_context_new(HANDLE vcm);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FREERDP_CHANNEL_ECHO_SERVER_H */