46 lines
835 B
Go
46 lines
835 B
Go
//go:build !windows
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// +build !windows
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package main
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import (
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"crypto/tls"
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"net"
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"syscall"
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"github.com/coreos/go-systemd/v22/activation"
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"github.com/pkg/errors"
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)
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func init() {
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syscall.Umask(0)
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}
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func listenFD(addr string, tlsConfig *tls.Config) (net.Listener, error) {
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var (
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err error
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listeners []net.Listener
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)
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// socket activation
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if tlsConfig != nil {
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listeners, err = activation.TLSListeners(tlsConfig)
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} else {
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listeners, err = activation.Listeners()
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}
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if err != nil {
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return nil, err
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}
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if len(listeners) == 0 {
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return nil, errors.New("no sockets found via socket activation: make sure the service was started by systemd")
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}
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// default to first fd
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if addr == "" {
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return listeners[0], nil
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}
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//TODO: systemd fd selection (default is 3)
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return nil, errors.New("not supported yet")
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}
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