refactor(sync): add syncIsReady

include/libs/sync/sync.h

@@ -182,6 +182,7 @@ void        syncStart(int64_t rid);
 void        syncStop(int64_t rid);
 int32_t     syncSetStandby(int64_t rid);
 ESyncState  syncGetMyRole(int64_t rid);
+bool        syncIsReady(int64_t rid);
 const char* syncGetMyRoleStr(int64_t rid);
 SyncTerm    syncGetMyTerm(int64_t rid);
 void        syncGetEpSet(int64_t rid, SEpSet* pEpSet);

source/libs/sync/src/syncMain.c

@@ -381,6 +381,17 @@ ESyncState syncGetMyRole(int64_t rid) {
   return state;
 }
 
+bool syncIsReady(int64_t rid) {
+  SSyncNode* pSyncNode = (SSyncNode*)taosAcquireRef(tsNodeRefId, rid);
+  if (pSyncNode == NULL) {
+    return false;
+  }
+  assert(rid == pSyncNode->rid);
+  bool b = (pSyncNode->state == TAOS_SYNC_STATE_LEADER) && pSyncNode->restoreFinish;
+  taosReleaseRef(tsNodeRefId, pSyncNode->rid);
+  return b;
+}
+
 bool syncIsRestoreFinish(int64_t rid) {
   SSyncNode* pSyncNode = (SSyncNode*)taosAcquireRef(tsNodeRefId, rid);
   if (pSyncNode == NULL) {