VCL event handling changes

- added vce_get_event_handler()
- added check for event before blocking on mutex in vppcom_session_accept()

Change-Id: I8e19ea5fcbaa40279cb28152b9923ca8f1328670
Signed-off-by: Keith Burns (alagalah) <alagalah@gmail.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/vcl/vcl_event.c b/src/vcl/vcl_event.c
index 65d28707607..64f55b9fb0b 100644
--- a/src/vcl/vcl_event.c
+++ b/src/vcl/vcl_event.c
@@ -80,6 +80,21 @@ vce_get_event_from_index(vce_event_thread_t *evt, u32 ev_idx)
 }
 
 vce_event_handler_reg_t *
+vce_get_event_handler (vce_event_thread_t *evt, vce_event_key_t *evk)
+{
+  vce_event_handler_reg_t *handler = 0;
+  uword *p;
+
+  clib_spinlock_lock (&evt->handlers_lockp);
+  p = hash_get (evt->handlers_index_by_event_key, evk->as_u64);
+  if (p)
+    handler = pool_elt_at_index (evt->vce_event_handlers, p[0]);
+  clib_spinlock_unlock (&evt->handlers_lockp);
+
+  return handler;
+}
+
+vce_event_handler_reg_t *
 vce_register_handler (vce_event_thread_t *evt, vce_event_key_t *evk,
 		      vce_event_callback_t cb)
 {