Example #1
0
func handleConnection(conn net.Conn, jobd *jobserver.JobServer, cbor *codec.CborHandle, reqLogger *logrus.Logger) {
	defer conn.Close()

	var reqLog, errLog *logrus.Entry
	fields := logrus.Fields{
		"remote": conn.RemoteAddr(),
	}
	errLog = logrus.WithFields(fields)
	if reqLogger != nil {
		reqLog = reqLogger.WithFields(fields)
	}

	jobdv := reflect.ValueOf(jobd)

	reader := bufio.NewReader(conn)
	decoder := codec.NewDecoder(reader, cbor)
	writer := bufio.NewWriter(conn)
	encoder := codec.NewEncoder(writer, cbor)

	for {
		var request cborrpc.Request
		err := decoder.Decode(&request)
		if err == io.EOF {
			if reqLog != nil {
				reqLog.Debug("Connection closed")
			}
			return
		} else if err != nil {
			errLog.WithError(err).Error("Error reading message")
			return
		}
		if reqLog != nil {
			reqLog.WithFields(logrus.Fields{
				"id":     request.ID,
				"method": request.Method,
			}).Debug("Request")
		}
		response := doRequest(jobdv, request)
		if reqLog != nil {
			entry := reqLog.WithField("id", response.ID)
			if response.Error != "" {
				entry = entry.WithField("error", response.Error)
			}
			entry.Debug("Response")
		}
		err = encoder.Encode(response)
		if err != nil {
			errLog.WithError(err).Error("Error encoding response")
			return
		}
		err = writer.Flush()
		if err != nil {
			errLog.WithError(err).Error("Error writing response")
			return
		}
	}
}