server.go

   1 // mailpopbox
   2 // Copyright 2020 Blue Static <https://www.bluestatic.org>
   3 // This program is free software licensed under the GNU General Public License,
   4 // version 3.0. The full text of the license can be found in LICENSE.txt.
   5 // SPDX-License-Identifier: GPL-3.0-only
   6
   7 package main
   8
   9 import (
  10         "net"
  11         "os"
  12         "os/signal"
  13         "syscall"
  14
  15         "go.uber.org/zap"
  16 )
  17
  18 type ServerControlMessage int
  19
  20 const (
  21         ServerControlFatalError ServerControlMessage = iota
  22         ServerControlRestart
  23 )
  24
  25 func RunAcceptLoop(l net.Listener, c chan<- net.Conn, log *zap.Logger) {
  26         for {
  27                 conn, err := l.Accept()
  28                 if err != nil {
  29                         log.Error("accept", zap.Error(err))
  30                         close(c)
  31                         return
  32                 }
  33
  34                 c <- conn
  35         }
  36 }
  37
  38 func CreateReloadSignal() <-chan os.Signal {
  39         reloadChan := make(chan os.Signal, 1)
  40         signal.Notify(reloadChan, syscall.SIGHUP)
  41         return reloadChan
  42 }