fix(rpc): fix invalide fqdn

source/libs/transport/src/transSrv.c

@@ -850,7 +850,7 @@ void* transInitServer(uint32_t ip, uint32_t port, char* label, int numOfThreads,
     }
   }
   if (false == taosValidIpAndPort(srv->ip, srv->port)) {
-    tError("failed to bind, reason: %s", terrstr());
+    tError("failed to bind, reason: %s", strerror(TAOS_SYSTEM_ERROR(errno)));
     goto End;
   }
   if (false == addHandleToAcceptloop(srv)) {

source/os/src/osSocket.c

@@ -677,6 +677,11 @@ bool taosValidIpAndPort(uint32_t ip, uint16_t port) {
     taosCloseSocket(&pSocket);
     return false;
   }
+  if (listen(pSocket->fd, 1024) < 0) {
+    // printf("listen tcp server socket failed, 0x%x:%hu(%s)", ip, port, strerror(errno));
+    taosCloseSocket(&pSocket);
+    return NULL;
+  }
   taosCloseSocket(&pSocket);
   return true;
 }