github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/supervisor/daemon/responder.go (about)

     1  /*
     2   * Copyright (C) 2020 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package daemon
    19  
    20  import (
    21  	"fmt"
    22  	"io"
    23  	"strings"
    24  
    25  	"github.com/rs/zerolog/log"
    26  )
    27  
    28  type responder struct {
    29  	io.Writer
    30  }
    31  
    32  func (r *responder) ok(result ...string) {
    33  	args := []string{"ok"}
    34  	args = append(args, result...)
    35  	r.message(strings.Join(args, ": "))
    36  }
    37  
    38  func (r *responder) err(result ...error) {
    39  	args := []string{"error"}
    40  	for _, err := range result {
    41  		args = append(args, err.Error())
    42  	}
    43  	r.message(strings.Join(args, ": "))
    44  }
    45  
    46  func (r *responder) message(msg string) {
    47  	log.Debug().Msgf("< %s", msg)
    48  	if _, err := fmt.Fprintln(r, msg); err != nil {
    49  		log.Err(err).Msgf("Could not send message: %q", msg)
    50  	}
    51  }