Implementation of HTTPD protocol, gwbuf properties and a dmeo web application

interface to test the new httpd.

server/core/service.c

@@ -1171,3 +1171,28 @@ serviceGetWeightingParameter(SERVICE *service)
 {
 	return service->weightby;
 }
+
+/**
+ * Iterate over the services, calling a function per call
+ *
+ * @param fcn	The function to call
+ * @param data	The data to pass to each call
+ */
+void
+serviceIterate(void (*fcn)(SERVICE *, void *), void *data)
+{
+SERVICE		*service, *next;
+
+	spinlock_acquire(&service_spin);
+	service = allServices;
+	while (service)
+	{
+		next = service->next;
+		spinlock_release(&service_spin);
+		(*fcn)(service, data);
+		spinlock_acquire(&service_spin);
+		service = next;
+	}
+	spinlock_release(&service_spin);
+
+}