mirror of
https://blitiri.com.ar/repos/chasquid
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60a7932bd3
glog works fine and has great features, but it does not play along well with systemd or standard log rotators (as it does the rotation itself). So this patch replaces glog with a new logging module "log", which by default logs to stderr, in a systemd-friendly manner. Logging to files or syslog is still supported.
110 lines
2.3 KiB
Go
110 lines
2.3 KiB
Go
// Package trace extends golang.org/x/net/trace.
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package trace
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import (
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"fmt"
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"strconv"
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"blitiri.com.ar/go/chasquid/internal/log"
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nettrace "golang.org/x/net/trace"
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)
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type Trace struct {
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family string
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title string
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t nettrace.Trace
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}
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func New(family, title string) *Trace {
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t := &Trace{family, title, nettrace.New(family, title)}
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// The default for max events is 10, which is a bit short for a normal
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// SMTP exchange. Expand it to 30 which should be large enough to keep
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// most of the traces.
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t.t.SetMaxEvents(30)
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return t
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}
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func (t *Trace) Printf(format string, a ...interface{}) {
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t.t.LazyPrintf(format, a...)
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log.Log(log.Info, 1, "%s %s: %s", t.family, t.title,
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quote(fmt.Sprintf(format, a...)))
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}
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func (t *Trace) Debugf(format string, a ...interface{}) {
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t.t.LazyPrintf(format, a...)
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log.Log(log.Debug, 1, "%s %s: %s",
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t.family, t.title, quote(fmt.Sprintf(format, a...)))
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}
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func (t *Trace) SetError() {
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t.t.SetError()
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}
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func (t *Trace) Errorf(format string, a ...interface{}) error {
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// Note we can't just call t.Error here, as it breaks caller logging.
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err := fmt.Errorf(format, a...)
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t.t.SetError()
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t.t.LazyPrintf("error: %v", err)
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log.Log(log.Info, 1, "%s %s: error: %s", t.family, t.title,
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quote(err.Error()))
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return err
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}
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func (t *Trace) Error(err error) error {
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t.t.SetError()
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t.t.LazyPrintf("error: %v", err)
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log.Log(log.Info, 1, "%s %s: error: %s", t.family, t.title,
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quote(err.Error()))
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return err
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}
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func (t *Trace) Finish() {
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t.t.Finish()
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}
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type EventLog struct {
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family string
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title string
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e nettrace.EventLog
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}
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func NewEventLog(family, title string) *EventLog {
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return &EventLog{family, title, nettrace.NewEventLog(family, title)}
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}
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func (e *EventLog) Printf(format string, a ...interface{}) {
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e.e.Printf(format, a...)
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log.Log(log.Info, 1, "%s %s: %s", e.family, e.title,
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quote(fmt.Sprintf(format, a...)))
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}
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func (e *EventLog) Debugf(format string, a ...interface{}) {
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e.e.Printf(format, a...)
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log.Log(log.Debug, 1, "%s %s: %s", e.family, e.title,
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quote(fmt.Sprintf(format, a...)))
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}
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func (e *EventLog) Errorf(format string, a ...interface{}) error {
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err := fmt.Errorf(format, a...)
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e.e.Errorf("error: %v", err)
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log.Log(log.Info, 1, "%s %s: error: %s",
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e.family, e.title, quote(err.Error()))
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return err
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}
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func quote(s string) string {
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qs := strconv.Quote(s)
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return qs[1 : len(qs)-1]
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}
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