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package main
import (
"kch42.de/gostuff/mailremind/mailing"
"log"
)
var MailFrom string
type email struct {
To, From string
Msg []byte
OK chan<- bool
}
var mailchan chan *email
func Mail(to, from string, msg []byte) bool {
ok := make(chan bool)
mailchan <- &email{to, from, msg, ok}
return <-ok
}
func initMailing() {
meth, err := conf.GetString("mail", "method")
if err != nil {
log.Fatalf("Could not get mail.method from config: %s", err)
}
MailFrom, err = conf.GetString("mail", "addr")
if err != nil {
log.Fatalf("Could not get mail.addr from config: %s", err)
}
parallel, err := conf.GetInt("mail", "parallel")
if err != nil {
log.Fatalf("Could not get mail.parallel from config: %s", err)
}
if parallel <= 0 {
log.Fatalln("mail.parallel must be > 0")
}
mailchan = make(chan *email)
mc, ok := mailing.MailersByName[meth]
if !ok {
log.Fatalf("Unknown mail method: %s", meth)
}
for i := int64(0); i < parallel; i++ {
mailer, err := mc(conf)
if err != nil {
log.Fatalf("Error while initializing mail: %s", err)
}
go func(mailer mailing.Mailer) {
for {
mail := <-mailchan
if err := mailer.Mail(mail.To, mail.From, mail.Msg); err != nil {
log.Printf("Could not send mail to \"%s\": %s", mail.To, err)
mail.OK <- false
} else {
mail.OK <- true
}
}
}(mailer)
}
}
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