extract socket_connection_create_launchd from unix part

TODO.txt

@@ -7,6 +7,7 @@ NEXT:
 - BUG: bt_close crashes when used in CocoaTouch app
 - BUG: BTdaemon crashes on iPhone when CocoaTouch app is closed (sometimes)
 - BUG: malloc warning when BTdaemon is started by launchd
+- Support TCP socket server on 13333 via launchd in addition to the unix socket
 - Provide BTstackManager Objective-C class
   - implement l2cap code
   - implement rfcomm code

src/daemon.c

@@ -343,14 +343,17 @@ int main (int argc,  char * const * argv){
     l2cap_init();
     l2cap_register_event_packet_handler(daemon_event_handler);
     timeout.process = daemon_no_connections_timeout;
-    
+
+#ifdef USE_LAUNCHD
+    socket_connection_create_launchd();
+#else
     // create server
     if (tcp_flag) {
         socket_connection_create_tcp(BTSTACK_PORT);
     } else {
         socket_connection_create_unix(BTSTACK_UNIX);
     }
-
+#endif
     socket_connection_register_packet_callback(daemon_client_handler);
 
     // handle CTRL-c

src/socket_connection.c

@@ -270,11 +270,10 @@ int socket_connection_create_tcp(int port){
 }
 
 /** 
- * create socket data_source for unix domain socket
- * */
-int socket_connection_create_unix(char *path){
-    
+ * create socket data_source for socket specified by launchd configuration
+ */
 #ifdef USE_LAUNCHD
+int socket_connection_create_launchd(){
     
     launch_data_t sockets_dict, checkin_response;
 	launch_data_t checkin_request;
@@ -348,9 +347,14 @@ int socket_connection_create_unix(char *path){
 	}
     
 	launch_data_free(checkin_response);
+}
+#endif
 
-#else
-    
+/** 
+ * create socket data_source for unix domain socket
+ */
+int socket_connection_create_unix(char *path){
+        
     // create data_source_t
     data_source_t *ds = malloc( sizeof(data_source_t));
     if (ds == NULL) return -1;
@@ -389,8 +393,6 @@ int socket_connection_create_unix(char *path){
     
     run_loop_add_data_source(ds);
 
-#endif
-    
 	printf ("Server up and running ...\n");
     return 0;
 }

src/socket_connection.h

@@ -45,6 +45,11 @@
 /** opaque connection type */
 typedef struct connection connection_t;
 
+/** 
+ * create socket data_source for socket specified by launchd configuration
+ */
+int socket_connection_create_launchd();
+
 /** 
  * create socket for incoming tcp connections
  */