refactor(sync): delete standby

source/libs/sync/src/syncAppendEntries.c

@@ -309,8 +309,8 @@ int32_t syncNodeFollowerCommit(SSyncNode* ths, SyncIndex newCommitIndex) {
 
 int32_t syncNodeOnAppendEntries(SSyncNode* ths, SyncAppendEntries* pMsg) {
   // if already drop replica, do not process
-  if (!syncNodeInRaftGroup(ths, &(pMsg->srcId)) && !ths->pRaftCfg->isStandBy) {
-    syncLogRecvAppendEntries(ths, pMsg, "ignore, maybe replica already dropped");
+  if (!syncNodeInRaftGroup(ths, &(pMsg->srcId))) {
+    syncLogRecvAppendEntries(ths, pMsg, "not in my config");
     goto _IGNORE;
   }
 

source/libs/sync/src/syncAppendEntriesReply.c

@@ -88,9 +88,9 @@ int32_t syncNodeOnAppendEntriesReply(SSyncNode* ths, SyncAppendEntriesReply* pMs
   int32_t ret = 0;
 
   // if already drop replica, do not process
-  if (!syncNodeInRaftGroup(ths, &(pMsg->srcId)) && !ths->pRaftCfg->isStandBy) {
-    syncLogRecvAppendEntriesReply(ths, pMsg, "maybe replica already dropped");
-    return -1;
+  if (!syncNodeInRaftGroup(ths, &(pMsg->srcId))) {
+    syncLogRecvAppendEntriesReply(ths, pMsg, "not in my config");
+    return 0;
   }
 
   // drop stale response

source/libs/sync/src/syncRequestVote.c

@@ -102,8 +102,8 @@ int32_t syncNodeOnRequestVote(SSyncNode* ths, SyncRequestVote* pMsg) {
   int32_t ret = 0;
 
   // if already drop replica, do not process
-  if (!syncNodeInRaftGroup(ths, &(pMsg->srcId)) && !ths->pRaftCfg->isStandBy) {
-    syncLogRecvRequestVote(ths, pMsg, "maybe replica already dropped");
+  if (!syncNodeInRaftGroup(ths, &(pMsg->srcId))) {
+    syncLogRecvRequestVote(ths, pMsg, "not in my config");
     return -1;
   }
 

source/libs/sync/src/syncRequestVoteReply.c

@@ -41,8 +41,8 @@ int32_t syncNodeOnRequestVoteReply(SSyncNode* ths, SyncRequestVoteReply* pMsg) {
   int32_t ret = 0;
 
   // if already drop replica, do not process
-  if (!syncNodeInRaftGroup(ths, &(pMsg->srcId)) && !ths->pRaftCfg->isStandBy) {
-    syncLogRecvRequestVoteReply(ths, pMsg, "maybe replica already dropped");
+  if (!syncNodeInRaftGroup(ths, &(pMsg->srcId))) {
+    syncLogRecvRequestVoteReply(ths, pMsg, "not in my config");
     return -1;
   }