session: add support for proxying apps

[vpp.git] / src / vnet / session / application_interface.c

diff --git a/src/vnet/session/application_interface.c b/src/vnet/session/application_interface.c
index 8599c74..a9dda02 100644 (file)
--- a/src/vnet/session/application_interface.c
+++ b/src/vnet/session/application_interface.c
@@ -206,7 +206,7 @@ vnet_connect_i (u32 app_index, u32 api_context, session_endpoint_t * sep,
                void *mp)
 {
   application_t *server, *app;
-  u32 table_index;
+  u32 table_index, server_index;
   stream_session_t *listener;
 
   if (session_endpoint_is_zero (sep))
@@ -223,14 +223,23 @@ vnet_connect_i (u32 app_index, u32 api_context, session_endpoint_t * sep,
   if (application_has_local_scope (app))
     {
       table_index = application_local_session_table (app);
-      app_index = session_lookup_local_session_endpoint (table_index, sep);
-      server = application_get (app_index);
+      server_index = session_lookup_local_session_endpoint (table_index, sep);
+
       /*
-       * Server is willing to have a direct fifo connection created
-       * instead of going through the state machine, etc.
+       * Break loop if rule in local table points to connecting app. This
+       * can happen if client is a generic proxy. Route connect through
+       * global table instead.
        */
-      if (server && (server->flags & APP_OPTIONS_FLAGS_ACCEPT_REDIRECT))
-       return app_connect_redirect (server, mp);
+      if (server_index != app_index)
+       {
+         server = application_get (server_index);
+         /*
+          * Server is willing to have a direct fifo connection created
+          * instead of going through the state machine, etc.
+          */
+         if (server && (server->flags & APP_OPTIONS_FLAGS_ACCEPT_REDIRECT))
+           return app_connect_redirect (server, mp);
+       }
     }
 
   /*
@@ -414,6 +423,9 @@ vnet_application_attach (vnet_app_attach_args_t * a)
   segment_manager_get_segment_info (sm->segment_indices[0],
                                    &seg_name, &a->segment_size);
 
+  if (application_is_proxy (app))
+    application_setup_proxy (app);
+
   a->segment_name_length = vec_len (seg_name);
   a->segment_name = seg_name;
   ASSERT (vec_len (a->segment_name) <= 128);