add api trace print

/vpp/src/vlibapi/api_shared.c
after "set api-trace debug on",api trace will be print ontime when clients send msg to vpp.

Change-Id: Ib2e504afb9e674c5cdfa6dc5c522c7af0396d687
Signed-off-by: ezkexma <maqi.z.ke@ericsson.com>

diff --git a/src/vlibapi/api_shared.c b/src/vlibapi/api_shared.c
index 07abe3e..cee9cd5 100644 (file)
--- a/src/vlibapi/api_shared.c
+++ b/src/vlibapi/api_shared.c
@@ -466,6 +466,7 @@ vl_msg_api_handler_with_vm_node (api_main_t * am,
 {
   u16 id = ntohs (*((u16 *) the_msg));
   u8 *(*handler) (void *, void *, void *);
+  u8 *(*print_fp) (void *, void *);
 
   if (PREDICT_FALSE (vm->elog_trace_api_messages))
     {
@@ -491,9 +492,23 @@ vl_msg_api_handler_with_vm_node (api_main_t * am,
     {
       handler = (void *) am->msg_handlers[id];
 
-      if (am->rx_trace && am->rx_trace->enabled)
+      if (PREDICT_FALSE (am->rx_trace && am->rx_trace->enabled))
        vl_msg_api_trace (am, am->rx_trace, the_msg);
 
+      if (PREDICT_FALSE (am->msg_print_flag))
+       {
+         fformat (stdout, "[%d]: %s\n", id, am->msg_names[id]);
+         print_fp = (void *) am->msg_print_handlers[id];
+         if (print_fp == 0)
+           {
+             fformat (stdout, "  [no registered print fn for msg %d]\n", id);
+           }
+         else
+           {
+             (*print_fp) (the_msg, vm);
+           }
+       }
+
       if (!am->is_mp_safe[id])
        {
          vl_msg_api_barrier_trace_context (am->msg_names[id]);