539     HChannel hChannel = sfc->AdminChannel(OP_QUERY_REF, channelId, nullptr);  in FetchCommand()  local
540     if (!hChannel) {  in FetchCommand()
553     if (hChannel->isDead) {  in FetchCommand()
554         --hChannel->ref;  in FetchCommand()
559             sfc->EchoClientRaw(hChannel, payload, payloadSize);  in FetchCommand()
565             sfc->EchoClient(hChannel, level, s.c_str());  in FetchCommand()
591             Base::TryCloseHandle((uv_handle_t *)&hChannel->hChildWorkTCP);  // detch client channel  in FetchCommand()
606             if (hChannel->fromClient) {  in FetchCommand()
612                 sfc->SendCommandToClient(hChannel, command, payload, payloadSize);  in FetchCommand()
616             HSession hSessionByQuery = AdminSession(OP_QUERY, hChannel->targetSessionId, nullptr);  in FetchCommand()
625     --hChannel->ref;  in FetchCommand()
866     HChannel hChannel = hSfc->AdminChannel(OP_QUERY_REF, channelId, nullptr);  in AttachChannel()  local
867     if (!hChannel) {  in AttachChannel()
870     uv_tcp_init(&hSession->childLoop, &hChannel->hChildWorkTCP);  in AttachChannel()
871     hChannel->hChildWorkTCP.data = hChannel;  in AttachChannel()
872     hChannel->targetSessionId = hSession->sessionId;  in AttachChannel()
873     if ((ret = uv_tcp_open((uv_tcp_t *)&hChannel->hChildWorkTCP, hChannel->fdChildWorkTCP)) < 0) {  in AttachChannel()
878                   buf, hChannel->channelId, hChannel->fdChildWorkTCP);  in AttachChannel()
879         Base::TryCloseHandle((uv_handle_t *)&hChannel->hChildWorkTCP);  in AttachChannel()
880         --hChannel->ref;  in AttachChannel()
883     Base::SetTcpOptions((uv_tcp_t *)&hChannel->hChildWorkTCP);  in AttachChannel()
884     uv_read_start((uv_stream_t *)&hChannel->hChildWorkTCP, hSfc->AllocCallback, hSfc->ReadStream);  in AttachChannel()
885     --hChannel->ref;  in AttachChannel()
892     HChannel hChannel = hSfc->AdminChannel(OP_QUERY, channelId, nullptr);  in DeatchChannel()  local
893     if (!hChannel) {  in DeatchChannel()
896     if (hChannel->childCleared) {  in DeatchChannel()
903     Send(hSession->sessionId, hChannel->channelId, CMD_KERNEL_CHANNEL_CLOSE, &count, 1);  in DeatchChannel()
904     if (uv_is_closing((const uv_handle_t *)&hChannel->hChildWorkTCP)) {  in DeatchChannel()
905 …Base::DoNextLoop(&hSession->childLoop, hChannel, [](const uint8_t flag, string &msg, const void *d…  in DeatchChannel()
906             HChannel hChannel = (HChannel)data;  in DeatchChannel()  local
907             hChannel->childCleared = true;  in DeatchChannel()
908             WRITE_LOG(LOG_DEBUG, "Childchannel free direct, cid:%u", hChannel->channelId);  in DeatchChannel()
911 …    Base::TryCloseHandle((uv_handle_t *)&hChannel->hChildWorkTCP, [](uv_handle_t *handle) -> void {  in DeatchChannel()
912             HChannel hChannel = (HChannel)handle->data;  in DeatchChannel()  local
913             hChannel->childCleared = true;  in DeatchChannel()
914             WRITE_LOG(LOG_DEBUG, "Childchannel free callback, cid:%u", hChannel->channelId);  in DeatchChannel()
923     HChannel hChannel = hSfc->AdminChannel(OP_QUERY, channelId, nullptr);  in ServerCommand()  local
925     if (!hChannel || !hSession) {  in ServerCommand()