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Merge pull request #356 from neilalexander/unixadmin

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Try to clean up UNIX admin socket
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Arceliar 2019-03-03 13:15:14 -06:00 committed by GitHub
commit be2f46ece8
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1 changed files with 12 additions and 1 deletions
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13
src/yggdrasil/admin.go
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@ -402,7 +402,18 @@ func (a *admin) listen() {
switch strings.ToLower(u.Scheme) { switch strings.ToLower(u.Scheme) {
case "unix": case "unix":
if _, err := os.Stat(a.listenaddr[7:]); err == nil { if _, err := os.Stat(a.listenaddr[7:]); err == nil {
a.core.log.Warnln("WARNING:", a.listenaddr[7:], "already exists and may be in use by another process") a.core.log.Debugln("Admin socket", a.listenaddr[7:], "already exists, trying to clean up")
if _, err := net.Dial("unix", a.listenaddr[7:]); err == nil {
a.core.log.Errorln("Admin socket", a.listenaddr[7:], "already exists and is in use by another process")
os.Exit(1)
} else {
if err := os.Remove(a.listenaddr[7:]); err == nil {
a.core.log.Debugln(a.listenaddr[7:], "was cleaned up")
} else {
a.core.log.Errorln(a.listenaddr[7:], "already exists and was not cleaned up:", err)
os.Exit(1)
}
}
} }
a.listener, err = net.Listen("unix", a.listenaddr[7:]) a.listener, err = net.Listen("unix", a.listenaddr[7:])
if err == nil { if err == nil {