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-rw-r--r--log/syslog.go55
1 files changed, 55 insertions, 0 deletions
diff --git a/log/syslog.go b/log/syslog.go
new file mode 100644
index 000000000..4f1097ff9
--- /dev/null
+++ b/log/syslog.go
@@ -0,0 +1,55 @@
+// +build !windows,!plan9
+
+package log
+
+import (
+ "log/syslog"
+ "strings"
+)
+
+// SyslogHandler opens a connection to the system syslog daemon by calling
+// syslog.New and writes all records to it.
+func SyslogHandler(priority syslog.Priority, tag string, fmtr Format) (Handler, error) {
+ wr, err := syslog.New(priority, tag)
+ return sharedSyslog(fmtr, wr, err)
+}
+
+// SyslogNetHandler opens a connection to a log daemon over the network and writes
+// all log records to it.
+func SyslogNetHandler(net, addr string, priority syslog.Priority, tag string, fmtr Format) (Handler, error) {
+ wr, err := syslog.Dial(net, addr, priority, tag)
+ return sharedSyslog(fmtr, wr, err)
+}
+
+func sharedSyslog(fmtr Format, sysWr *syslog.Writer, err error) (Handler, error) {
+ if err != nil {
+ return nil, err
+ }
+ h := FuncHandler(func(r *Record) error {
+ var syslogFn = sysWr.Info
+ switch r.Lvl {
+ case LvlCrit:
+ syslogFn = sysWr.Crit
+ case LvlError:
+ syslogFn = sysWr.Err
+ case LvlWarn:
+ syslogFn = sysWr.Warning
+ case LvlInfo:
+ syslogFn = sysWr.Info
+ case LvlDebug:
+ syslogFn = sysWr.Debug
+ }
+
+ s := strings.TrimSpace(string(fmtr.Format(r)))
+ return syslogFn(s)
+ })
+ return LazyHandler(&closingHandler{sysWr, h}), nil
+}
+
+func (m muster) SyslogHandler(priority syslog.Priority, tag string, fmtr Format) Handler {
+ return must(SyslogHandler(priority, tag, fmtr))
+}
+
+func (m muster) SyslogNetHandler(net, addr string, priority syslog.Priority, tag string, fmtr Format) Handler {
+ return must(SyslogNetHandler(net, addr, priority, tag, fmtr))
+}