proxy: WIP

condlog.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"fmt"
+	"log"
+)
+
+const (
+	CRITICAL = 50
+	ERROR    = 40
+	WARNING  = 30
+	INFO     = 20
+	DEBUG    = 10
+	NOTSET   = 0
+)
+
+type CondLogger struct {
+	logger    *log.Logger
+	verbosity int
+}
+
+func (cl *CondLogger) Log(verb int, format string, v ...interface{}) error {
+	if verb >= cl.verbosity {
+		return cl.logger.Output(2, fmt.Sprintf(format, v...))
+	}
+	return nil
+}
+
+func (cl *CondLogger) log(verb int, format string, v ...interface{}) error {
+	if verb >= cl.verbosity {
+		return cl.logger.Output(3, fmt.Sprintf(format, v...))
+	}
+	return nil
+}
+
+func (cl *CondLogger) Critical(s string, v ...interface{}) error {
+	return cl.log(CRITICAL, "CRITICAL "+s, v...)
+}
+
+func (cl *CondLogger) Error(s string, v ...interface{}) error {
+	return cl.log(ERROR, "ERROR    "+s, v...)
+}
+
+func (cl *CondLogger) Warning(s string, v ...interface{}) error {
+	return cl.log(WARNING, "WARNING  "+s, v...)
+}
+
+func (cl *CondLogger) Info(s string, v ...interface{}) error {
+	return cl.log(INFO, "INFO     "+s, v...)
+}
+
+func (cl *CondLogger) Debug(s string, v ...interface{}) error {
+	return cl.log(DEBUG, "DEBUG    "+s, v...)
+}
+
+func NewCondLogger(logger *log.Logger, verbosity int) *CondLogger {
+	return &CondLogger{verbosity: verbosity, logger: logger}
+}