commit 334167f290cb1f9f8eb19423648075b5048fb0a3
author Andrey "Zed" Zaikin <zed.0xff@gmail.com> Mon Apr 09 16:42:42 2018 +0300
committer Marco Varlese <marco.varlese@suse.de> Wed Apr 11 14:44:53 2018 +0000
tree 439c8540a9b5ae52a8693090bc5101a72f3c683c
parent 13c08184c3fb77a54e8d7e46cb45f091cc71fcc3

fix: sample vpp-api C client hangs vpp daemon because of NULL callback

Change-Id: I686254b332a4527cb0cad3c5c0a17ea4c9f40e1d
Signed-off-by: Andrey "Zed" Zaikin <zed.0xff@gmail.com>

src/vpp-api/client/test.c

diff --git a/src/vpp-api/client/test.c b/src/vpp-api/client/test.c
index 020115d..c1b3808 100644
--- a/src/vpp-api/client/test.c
+++ b/src/vpp-api/client/test.c
@@ -62,13 +62,12 @@
 
 
 
-int
-wrap_vac_callback (char *data, int len)
+void
+wrap_vac_callback (unsigned char *data, int len)
 {
   //printf("Callback %d\n", len);
   result_ready = 1;
   result_msg_id = ntohs(*((u16 *)data));
-  return (0);
 }
 
 int main (int argc, char ** argv)
@@ -77,7 +76,7 @@
   vl_api_show_version_t message;
   vl_api_show_version_t *mp;
   int async = 1;
-  int rv = vac_connect("vac_client", NULL, NULL, 32 /* rx queue-length*/);
+  int rv = vac_connect("vac_client", NULL, wrap_vac_callback, 32 /* rx queue-length*/);
 
   if (rv != 0) {
     printf("Connect failed: %d\n", rv);