add logtr.sosf for sos straight to specific matrix

logtr/log.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"log"
 	"os"
 	"strings"
 	"sync"
@@ -18,8 +19,13 @@ const (
 	DEBUG   = Level(8)
 	INFO    = Level(9)
 	ERROR   = Level(10)
+	SOS     = Level(15)
 )
 
+type SOSer interface {
+	Send(string) error
+}
+
 func (l Level) MarshalJSON() ([]byte, error) {
 	return json.Marshal(l.String())
 }
@@ -34,7 +40,7 @@ func (l *Level) UnmarshalJSON(b []byte) error {
 	if len(s) > 3 {
 		s = s[:3]
 	}
-	for i := 0; i < int(ERROR)+5; i++ {
+	for i := 0; i < int(SOS)+5; i++ {
 		l2 := Level(i)
 		if l2.String() == s {
 			*l = l2
@@ -48,6 +54,7 @@ var logger io.Writer = os.Stderr
 var loggerPath string = ""
 var lock = &sync.Mutex{}
 var level Level = INFO
+var ansoser SOSer = nil
 
 func SetLogpath(p string) {
 	lock.Lock()
@@ -63,18 +70,34 @@ func SetLogpath(p string) {
 	loggerPath = p
 }
 
+func SetSOSer(another SOSer) {
+	lock.Lock()
+	defer lock.Unlock()
+	ansoser = another
+}
+
 func SetLevel(l Level) {
+	lock.Lock()
+	defer lock.Unlock()
 	level = l
 }
 
 func logf(l Level, format string, args []interface{}) {
 	format = fmt.Sprintf("%v: %v: %s\n", time.Now().Format("15:04:05"), l.String(), strings.TrimSpace(format))
-	lock.Lock()
-	defer lock.Unlock()
-	if level <= l {
+	cLevel := level
+	cAnsoser := ansoser
+	if l >= cLevel {
 		fmt.Fprintf(os.Stderr, format, args...)
 	}
 	fmt.Fprintf(logger, format, args...)
+	log.Printf("l==sos=%v, ansoser!=nil=%v", l == SOS, ansoser != nil)
+	if l == SOS && cAnsoser != nil {
+		cAnsoser.Send(fmt.Sprintf(format, args...))
+	}
+}
+
+func SOSf(format string, args ...interface{}) {
+	logf(SOS, format, args)
 }
 
 func Infof(format string, args ...interface{}) {
@@ -107,6 +130,8 @@ func (l Level) String() string {
 		return "DEB"
 	case VERBOSE:
 		return "VER"
+	case SOS:
+		return "SOS"
 	default:
 		return "?"
 	}