server/server: Add ability to remove services

Add the ability to remove services while OpenOCD is running.

Change-Id: I4067916fda6d03485463fa40901b40484d94e24e
Signed-off-by: Marc Schink <openocd-dev@marcschink.de>
Reviewed-on: http://openocd.zylin.com/4054
Tested-by: jenkins
Reviewed-by: Fredrik Hederstierna <fredrik@hederstierna.com>
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>

src/server/server.c

@@ -364,6 +364,35 @@ static void remove_connections(struct service *service)
 	}
 }
 
+int remove_service(const char *name, const char *port)
+{
+	struct service *tmp;
+	struct service *prev;
+
+	prev = services;
+
+	for (tmp = services; tmp; prev = tmp, tmp = tmp->next) {
+		if (!strcmp(tmp->name, name) && !strcmp(tmp->port, port)) {
+			remove_connections(tmp);
+
+			if (tmp == services)
+				services = tmp->next;
+			else
+				prev->next = tmp->next;
+
+			if (tmp->type != CONNECTION_STDINOUT)
+				close_socket(tmp->fd);
+
+			free(tmp->priv);
+			free_service(tmp);
+
+			return ERROR_OK;
+		}
+	}
+
+	return ERROR_OK;
+}
+
 static int remove_services(void)
 {
 	struct service *c = services;

src/server/server.h

@@ -78,6 +78,7 @@ int add_service(char *name, const char *port,
 		int max_connections, new_connection_handler_t new_connection_handler,
 		input_handler_t in_handler, connection_closed_handler_t close_handler,
 		void *priv);
+int remove_service(const char *name, const char *port);
 
 int server_preinit(void);
 int server_init(struct command_context *cmd_ctx);