In amfnd, there is a flag represent for the amfd service state (up/down).
That flag was set by amfnd main thread and amfnd mds thread. If two amfd
NEW_ACTIVE events come at almost the same time, the up flag value will be
inccorect due to the setting conflict between two threads. Solution is to
set that flag in main thread only and check the amfd NO_ACTIVE event.
---
src/amf/amfnd/di.cc | 7 +++++++
src/amf/amfnd/mds.cc | 15 +++++++--------
2 files changed, 14 insertions(+), 8 deletions(-)
diff --git a/src/amf/amfnd/di.cc b/src/amf/amfnd/di.cc
index d1d83bab6..7f12c13f0 100644
--- a/src/amf/amfnd/di.cc
+++ b/src/amf/amfnd/di.cc
@@ -703,6 +703,13 @@ uint32_t avnd_evt_mds_avd_dn_evh(AVND_CB *cb, AVND_EVT
*evt) {
TRACE_ENTER();
+ if (evt->info.mds.i_change == NCSMDS_NO_ACTIVE) {
+ m_AVND_CB_AVD_UP_RESET(cb);
+ cb->active_avd_adest = 0;
+ TRACE_LEAVE();
+ return rc;
+ }
+
if (m_MDS_DEST_IS_AN_ADEST(evt->info.mds.mds_dest)) {
if (evt->info.mds.node_id != ncs_get_node_id()) {
/* Ignore the other AVD Adest Down.*/
diff --git a/src/amf/amfnd/mds.cc b/src/amf/amfnd/mds.cc
index 43d1dbedc..c02461d9b 100644
--- a/src/amf/amfnd/mds.cc
+++ b/src/amf/amfnd/mds.cc
@@ -523,13 +523,6 @@ uint32_t avnd_mds_svc_evt(AVND_CB *cb,
MDS_CALLBACK_SVC_EVENT_INFO *evt_info) {
case NCSMDS_NEW_ACTIVE:
if (evt_info->i_svc_id == NCSMDS_SVC_ID_AVD) {
LOG_NO("AVD NEW_ACTIVE, adest:%" PRIu64, evt_info->i_dest);
-
- // sometimes NEW_ACTIVE director is received before
- // DOWN is received for the old director ..
- if (m_AVND_CB_IS_AVD_UP(cb)) {
- m_AVND_CB_AVD_UP_RESET(cb);
- }
-
evt = avnd_evt_create(cb, AVND_EVT_MDS_AVD_UP, 0, &evt_info->i_dest, 0,
0, 0);
evt->info.mds.i_change = evt_info->i_change;
@@ -584,7 +577,13 @@ uint32_t avnd_mds_svc_evt(AVND_CB *cb,
MDS_CALLBACK_SVC_EVENT_INFO *evt_info) {
osafassert(0);
}
break;
-
+ case NCSMDS_NO_ACTIVE:
+ if (evt_info->i_svc_id == NCSMDS_SVC_ID_AVD) {
+ evt = avnd_evt_create(cb, AVND_EVT_MDS_AVD_DN, 0, &evt_info->i_dest,
+ &evt_info->i_node_id, 0, 0);
+ evt->info.mds.i_change = evt_info->i_change;
+ }
+ break;
case NCSMDS_DOWN:
switch (evt_info->i_svc_id) {
case NCSMDS_SVC_ID_AVD:
--
2.25.1
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