dns_server: suppress tcp error logs

pymumu · Nov 15, 2023 · a482cee · a482cee
1 parent 4853a96
commit a482cee
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/dns_server.c b/src/dns_server.c
@@ -1135,8 +1135,12 @@ static int _dns_server_reply_tcp_to_buffer(struct dns_server_conn_tcp_client *tc
  memcpy(tcpclient->sndbuff.buf + tcpclient->sndbuff.size, packet, len);
  tcpclient->sndbuff.size += len;
 
+ if (tcpclient->head.fd <= 0) {
+ return -1;
+ }
+
  if (_dns_server_epoll_ctl(&tcpclient->head, EPOLL_CTL_MOD, EPOLLIN | EPOLLOUT) != 0) {
- tlog(TLOG_ERROR, "epoll ctl failed.");
+ tlog(TLOG_ERROR, "epoll ctl failed, %s", strerror(errno));
  return -1;
  }