59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
//go:build !windows && !plan9
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// +build !windows,!plan9
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package log
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import (
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"log/syslog"
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"strings"
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)
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// SyslogHandler opens a connection to the system syslog daemon by calling
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// syslog.New and writes all records to it.
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func SyslogHandler(priority syslog.Priority, tag string, fmtr Format) (Handler, error) {
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wr, err := syslog.New(priority, tag)
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return sharedSyslog(fmtr, wr, err)
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}
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// SyslogNetHandler opens a connection to a log daemon over the network and writes
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// all log records to it.
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func SyslogNetHandler(net, addr string, priority syslog.Priority, tag string, fmtr Format) (Handler, error) {
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wr, err := syslog.Dial(net, addr, priority, tag)
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return sharedSyslog(fmtr, wr, err)
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}
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func sharedSyslog(fmtr Format, sysWr *syslog.Writer, err error) (Handler, error) {
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if err != nil {
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return nil, err
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}
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h := FuncHandler(func(r *Record) error {
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var syslogFn = sysWr.Info
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switch r.Lvl {
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case LvlCrit:
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syslogFn = sysWr.Crit
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case LvlError:
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syslogFn = sysWr.Err
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case LvlWarn:
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syslogFn = sysWr.Warning
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case LvlInfo:
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syslogFn = sysWr.Info
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case LvlDebug:
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syslogFn = sysWr.Debug
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case LvlTrace:
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syslogFn = func(m string) error { return nil } // There's no syslog level for trace
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}
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s := strings.TrimSpace(string(fmtr.Format(r)))
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return syslogFn(s)
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})
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return LazyHandler(&closingHandler{sysWr, h}), nil
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}
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func (m muster) SyslogHandler(priority syslog.Priority, tag string, fmtr Format) Handler {
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return must(SyslogHandler(priority, tag, fmtr))
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}
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func (m muster) SyslogNetHandler(net, addr string, priority syslog.Priority, tag string, fmtr Format) Handler {
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return must(SyslogNetHandler(net, addr, priority, tag, fmtr))
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}
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