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consistently use log.Check for logging errors that "should not happen", don't influence application flow

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sooner or later, someone will notice one of these messages, which will lead us
to a bug.
This commit is contained in:
Mechiel Lukkien
2023-02-16 13:22:00 +01:00
parent ef8e5fa1a8
commit 5c33640aea
30 changed files with 366 additions and 246 deletions
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21
queue/dsn.go
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@ -71,7 +71,10 @@ func queueDSN(log *mlog.Log, m Msg, remoteMTA dsn.NameIP, secodeOpt, errmsg stri
return
}
msgr := store.FileMsgReader(m.MsgPrefix, msgf)
defer msgr.Close()
defer func() {
err := msgr.Close()
log.Check(err, "closing message reader after queuing dsn")
}()
headers, err := message.ReadHeaders(bufio.NewReader(msgr))
if err != nil {
qlog("reading headers of queued message", err)
@ -140,9 +143,8 @@ func queueDSN(log *mlog.Log, m Msg, remoteMTA dsn.NameIP, secodeOpt, errmsg stri
mailbox = mox.Conf.Static.Postmaster.Mailbox
}
defer func() {
if err := acc.Close(); err != nil {
log.Errorx("queue dsn: closing account", err, mlog.Field("sender", m.Sender().XString(m.SMTPUTF8)), mlog.Field("kind", kind))
}
err := acc.Close()
log.Check(err, "queue dsn: closing account", mlog.Field("sender", m.Sender().XString(m.SMTPUTF8)), mlog.Field("kind", kind))
}()
msgFile, err := store.CreateMessageTemp("queue-dsn")
@ -152,10 +154,10 @@ func queueDSN(log *mlog.Log, m Msg, remoteMTA dsn.NameIP, secodeOpt, errmsg stri
}
defer func() {
if msgFile != nil {
if err := os.Remove(msgFile.Name()); err != nil {
log.Errorx("removing message file", err, mlog.Field("path", msgFile.Name()))
}
msgFile.Close()
err := os.Remove(msgFile.Name())
log.Check(err, "removing message file", mlog.Field("path", msgFile.Name()))
err = msgFile.Close()
log.Check(err, "closing message file")
}
}()
@ -176,6 +178,7 @@ func queueDSN(log *mlog.Log, m Msg, remoteMTA dsn.NameIP, secodeOpt, errmsg stri
return
}
})
msgFile.Close()
err = msgFile.Close()
log.Check(err, "closing dsn file")
msgFile = nil
}