MINOR: connection: add new function conn_get_proxy()

This function returns the proxy associated to a connection. For front
connections it returns the frontend, and for back connections it
returns the backend. This will be used to retrieve some configuration
parameters from within a mux.

diff --git a/include/proto/connection.h b/include/proto/connection.h
index a683926566a1d63f3959bf008a9db192db9d6529..e5b1542d07041aa47d79f681cb21b7ccedc8567a 100644 (file)
--- a/include/proto/connection.h
+++ b/include/proto/connection.h
@@ -988,6 +988,28 @@ static inline const struct mux_ops *conn_get_best_mux(struct connection *conn,
 
 }
 
+/* returns a pointer to the proxy associated with this connection. For a front
+ * connection it returns a pointer to the frontend ; for a back connection, it
+ * returns a pointer to the backend.
+ */
+static inline struct proxy *conn_get_proxy(const struct connection *conn)
+{
+       struct listener *l;
+       struct server *s;
+
+       /* check if it's a frontend connection */
+       l = objt_listener(conn->target);
+       if (l)
+               return l->bind_conf->frontend;
+
+       /* check if it's a backend connection */
+       s = objt_server(conn->target);
+       if (s)
+               return s->proxy;
+
+       return objt_proxy(conn->target);
+}
+
 /* installs the best mux for incoming connection <conn> using the upper context
  * <ctx>. If the mux protocol is forced, we use it to find the best
  * mux. Otherwise we use the ALPN name, if any. Returns < 0 on error.