2022-03-10 09:44:48 +00:00
|
|
|
package log
|
|
|
|
|
|
|
|
|
|
import (
|
|
|
|
|
"fmt"
|
|
|
|
|
"io"
|
|
|
|
|
"runtime"
|
|
|
|
|
"time"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
type StreamHandler struct {
|
|
|
|
|
W io.Writer
|
|
|
|
|
Fmt ByteFormatter
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (me StreamHandler) Handle(r Record) {
|
|
|
|
|
r.Msg = r.Skip(1)
|
|
|
|
|
me.W.Write(me.Fmt(r))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
type ByteFormatter func(Record) []byte
|
|
|
|
|
|
|
|
|
|
func LineFormatter(msg Record) []byte {
|
|
|
|
|
names := msg.Names
|
|
|
|
|
if true || len(names) == 0 {
|
|
|
|
|
var pc [1]uintptr
|
|
|
|
|
msg.Callers(1, pc[:])
|
|
|
|
|
names = pcNames(pc[0], names)
|
|
|
|
|
}
|
|
|
|
|
ret := []byte(fmt.Sprintf(
|
2024-05-30 08:52:57 +00:00
|
|
|
"%s %s %s: %s",
|
2022-03-10 09:44:48 +00:00
|
|
|
time.Now().Format("2006-01-02T15:04:05-0700"),
|
|
|
|
|
msg.Level.LogString(),
|
|
|
|
|
names,
|
|
|
|
|
msg.Text(),
|
|
|
|
|
))
|
|
|
|
|
if ret[len(ret)-1] != '\n' {
|
|
|
|
|
ret = append(ret, '\n')
|
|
|
|
|
}
|
|
|
|
|
return ret
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func pcNames(pc uintptr, names []string) []string {
|
|
|
|
|
if pc == 0 {
|
|
|
|
|
panic(pc)
|
|
|
|
|
}
|
|
|
|
|
funcName, file, line := func() (string, string, int) {
|
|
|
|
|
if false {
|
|
|
|
|
// This seems to result in one less allocation, but doesn't handle inlining?
|
|
|
|
|
func_ := runtime.FuncForPC(pc)
|
|
|
|
|
file, line := func_.FileLine(pc)
|
|
|
|
|
return func_.Name(), file, line
|
|
|
|
|
} else {
|
|
|
|
|
f, _ := runtime.CallersFrames([]uintptr{pc}).Next()
|
|
|
|
|
return f.Function, f.File, f.Line
|
|
|
|
|
}
|
|
|
|
|
}()
|
|
|
|
|
_ = file
|
|
|
|
|
return append(names, fmt.Sprintf("%s:%v", funcName, line))
|
|
|
|
|
}
|
