common: added some trans options used in fast path

common/trans.c

@@ -282,7 +282,10 @@ trans_check_wait_objs(struct trans *self)
                 if (self->trans_data_in != 0)
                 {
                     rv = self->trans_data_in(self);
-                    init_stream(self->in_s, 0);
+                    if (self->no_stream_init_on_data_in == 0)
+                    {
+                        init_stream(self->in_s, 0);
+                    }
                 }
             }
         }

common/trans.h

@@ -57,6 +57,8 @@ struct trans
   struct stream* wait_s;
   char addr[256];
   char port[256];
+  int no_stream_init_on_data_in;
+  int extra_flags; /* user defined */
 };
 
 struct trans* APP_CC