mailpopbox.go

   1 package main
   2
   3 import (
   4         "encoding/json"
   5         "fmt"
   6         "os"
   7
   8         "github.com/uber-go/zap"
   9 )
  10
  11 func main() {
  12         if len(os.Args) != 2 {
  13                 fmt.Fprintf(os.Stderr, "Usage: %s config.json\n", os.Args[0])
  14                 os.Exit(1)
  15         }
  16
  17         configFile, err := os.Open(os.Args[1])
  18         if err != nil {
  19                 fmt.Fprintf(os.Stderr, "config file: %s\n", err)
  20                 os.Exit(2)
  21         }
  22
  23         var config Config
  24         if err := json.NewDecoder(configFile).Decode(&config); err != nil {
  25                 fmt.Fprintf(os.Stderr, "config file: %s\n", err)
  26                 os.Exit(3)
  27         }
  28         configFile.Close()
  29
  30         log := zap.New(zap.NewTextEncoder())
  31
  32         pop3 := runPOP3Server(config, log)
  33         smtp := runSMTPServer(config, log)
  34
  35         for {
  36                 select {
  37                 case cm := <-pop3:
  38                         if cm == ServerControlRestart {
  39                                 pop3 = runPOP3Server(config, log)
  40                         } else {
  41                                 break
  42                         }
  43                 case <-smtp:
  44                         // smtp never reloads.
  45                         break
  46                 }
  47         }
  48 }