refactor: mylib 重命名为 libs

更清晰的目录命名，libs/ 存放内嵌的独立协议实现库。

libs/grdp/glog/log.go

@@ -0,0 +1,129 @@
+package glog
+
+import (
+	"fmt"
+	"log"
+	"sync"
+)
+
+var (
+	logger *log.Logger
+	level  LEVEL
+	mu     sync.Mutex
+)
+
+type LEVEL int
+
+const (
+	TRACE LEVEL = iota
+	DEBUG
+	INFO
+	WARN
+	ERROR
+	NONE
+)
+
+func SetLogger(l *log.Logger) {
+	l.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
+	logger = l
+}
+
+func SetLevel(l LEVEL) {
+	level = l
+}
+
+func checkLogger() {
+	if logger == nil && level != NONE {
+		panic("logger not inited")
+	}
+}
+func Trace(v ...interface{}) {
+	checkLogger()
+	if level <= TRACE {
+		mu.Lock()
+		defer mu.Unlock()
+		logger.SetPrefix("[TRACE]")
+		logger.Output(2, fmt.Sprintln(v...))
+	}
+}
+func Tracef(f string, v ...interface{}) {
+	checkLogger()
+	if level <= TRACE {
+		mu.Lock()
+		defer mu.Unlock()
+		logger.SetPrefix("[TRACE]")
+		logger.Output(2, fmt.Sprintln(fmt.Sprintf(f, v...)))
+	}
+}
+func Debug(v ...interface{}) {
+	checkLogger()
+	if level <= DEBUG {
+		mu.Lock()
+		defer mu.Unlock()
+		logger.SetPrefix("[DEBUG]")
+		logger.Output(2, fmt.Sprintln(v...))
+	}
+}
+func Debugf(f string, v ...interface{}) {
+	checkLogger()
+	if level <= DEBUG {
+		mu.Lock()
+		defer mu.Unlock()
+		logger.SetPrefix("[DEBUG]")
+		logger.Output(2, fmt.Sprintln(fmt.Sprintf(f, v...)))
+	}
+}
+func Info(v ...interface{}) {
+	checkLogger()
+	if level <= INFO {
+		mu.Lock()
+		defer mu.Unlock()
+		logger.SetPrefix("[INFO]")
+		logger.Output(2, fmt.Sprintln(v...))
+	}
+}
+func Infof(f string, v ...interface{}) {
+	checkLogger()
+	if level <= INFO {
+		mu.Lock()
+		defer mu.Unlock()
+		logger.SetPrefix("[INFO]")
+		logger.Output(2, fmt.Sprintln(fmt.Sprintf(f, v...)))
+	}
+}
+func Warn(v ...interface{}) {
+	checkLogger()
+	if level <= WARN {
+		mu.Lock()
+		defer mu.Unlock()
+		logger.SetPrefix("[WARN]")
+		logger.Output(2, fmt.Sprintln(v...))
+	}
+}
+func Warnf(f string, v ...interface{}) {
+	checkLogger()
+	if level <= WARN {
+		mu.Lock()
+		defer mu.Unlock()
+		logger.SetPrefix("[WARN]")
+		logger.Output(2, fmt.Sprintln(fmt.Sprintf(f, v...)))
+	}
+}
+func Error(v ...interface{}) {
+	checkLogger()
+	if level <= ERROR {
+		mu.Lock()
+		defer mu.Unlock()
+		logger.SetPrefix("[ERROR]")
+		logger.Output(2, fmt.Sprintln(v...))
+	}
+}
+func Errorf(f string, v ...interface{}) {
+	checkLogger()
+	if level <= ERROR {
+		mu.Lock()
+		defer mu.Unlock()
+		logger.SetPrefix("[ERROR]")
+		logger.Output(2, fmt.Sprintln(fmt.Sprintf(f, v...)))
+	}
+}