Proof of concept browser + embedded web server communicating via XMLHttpRequest.

Compile with "gcc -Wall `pkg-config --cflags --libs gtk+-2.0 webkit-1.0 libmicrohttpd` -o launcher main.c server.c"
Requires GTK, libwebkit and libmicrohttpd.

OpenRA.Launcher.Gtk/server.c

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made 
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see LICENSE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#define MHD_PLATFORM_H
+#include <microhttpd.h>
+
+#include <glib.h>
+
+struct MHD_Daemon * server;
+
+int http_get_args(void * cls, enum MHD_ValueKind kind, 
+		  const char * key, const char * value)
+{
+  g_message("%s: %s", key, value);
+  return MHD_YES;
+}
+
+int access_handler_callback(void * userdata, 
+			    struct MHD_Connection * connection,
+			    const char * url,
+			    const char * method,
+			    const char * version,
+			    const char * upload_data,
+			    size_t * upload_data_size,
+			    void ** userpointer)
+{
+  struct MHD_Response * response;
+  int ret;
+  char * text = "1";
+  g_message(url);
+  
+  MHD_get_connection_values(connection, MHD_GET_ARGUMENT_KIND, 
+			    &http_get_args, NULL);
+  
+  response = MHD_create_response_from_data(strlen(text), (void *)text,
+					   MHD_NO, MHD_NO);
+
+  ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
+  MHD_destroy_response(response);
+  
+  return ret;
+}
+
+int server_init(int port)
+{
+  server = MHD_start_daemon(MHD_USE_DEBUG | MHD_USE_SELECT_INTERNALLY,
+			    port, NULL, NULL, 
+			    &access_handler_callback, NULL,
+			    MHD_OPTION_END);
+
+  if (!server)
+  {
+    g_critical("Could not start web server.");
+    return 0;
+  }
+  g_message("Server initialised.");
+  return 1;
+}
+
+void * server_get_daemon(void)
+{
+  return server;
+}
+
+void server_teardown(void)
+{
+  MHD_stop_daemon(server);
+}