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148 lines
3.2 KiB
148 lines
3.2 KiB
// Copyright 2015 The Tango Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package tango
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import (
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"io"
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"time"
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"gitea.com/lunny/log"
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)
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// Logger defines the logger interface for tango use
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type Logger interface {
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Debugf(format string, v ...interface{})
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Debug(v ...interface{})
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Infof(format string, v ...interface{})
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Info(v ...interface{})
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Warnf(format string, v ...interface{})
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Warn(v ...interface{})
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Errorf(format string, v ...interface{})
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Error(v ...interface{})
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}
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// CompositeLogger defines a composite loggers
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type CompositeLogger struct {
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loggers []Logger
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}
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// NewCompositeLogger creates a composite loggers
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func NewCompositeLogger(logs ...Logger) Logger {
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return &CompositeLogger{loggers: logs}
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}
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// Debugf implementes Logger interface
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func (l *CompositeLogger) Debugf(format string, v ...interface{}) {
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for _, log := range l.loggers {
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log.Debugf(format, v...)
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}
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}
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// Debug implementes Logger interface
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func (l *CompositeLogger) Debug(v ...interface{}) {
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for _, log := range l.loggers {
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log.Debug(v...)
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}
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}
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// Infof implementes Logger interface
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func (l *CompositeLogger) Infof(format string, v ...interface{}) {
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for _, log := range l.loggers {
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log.Infof(format, v...)
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}
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}
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// Info implementes Logger interface
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func (l *CompositeLogger) Info(v ...interface{}) {
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for _, log := range l.loggers {
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log.Info(v...)
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}
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}
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// Warnf implementes Logger interface
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func (l *CompositeLogger) Warnf(format string, v ...interface{}) {
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for _, log := range l.loggers {
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log.Warnf(format, v...)
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}
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}
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// Warn implementes Logger interface
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func (l *CompositeLogger) Warn(v ...interface{}) {
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for _, log := range l.loggers {
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log.Warn(v...)
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}
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}
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// Errorf implementes Logger interface
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func (l *CompositeLogger) Errorf(format string, v ...interface{}) {
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for _, log := range l.loggers {
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log.Errorf(format, v...)
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}
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}
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// Error implementes Logger interface
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func (l *CompositeLogger) Error(v ...interface{}) {
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for _, log := range l.loggers {
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log.Error(v...)
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}
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}
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// NewLogger use the default logger with special writer
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func NewLogger(out io.Writer) Logger {
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l := log.New(out, "[tango] ", log.Ldefault())
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l.SetOutputLevel(log.Ldebug)
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return l
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}
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// LogInterface defines logger interface to inject logger to struct
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type LogInterface interface {
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SetLogger(Logger)
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}
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// Log implementes LogInterface
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type Log struct {
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Logger
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}
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// SetLogger implementes LogInterface
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func (l *Log) SetLogger(log Logger) {
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l.Logger = log
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}
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// Logging returns handler to log informations
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func Logging() HandlerFunc {
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return func(ctx *Context) {
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start := time.Now()
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p := ctx.Req().URL.Path
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if len(ctx.Req().URL.RawQuery) > 0 {
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p = p + "?" + ctx.Req().URL.RawQuery
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}
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ctx.Debug("Started", ctx.Req().Method, p, "for", ctx.IP())
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if action := ctx.Action(); action != nil {
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if l, ok := action.(LogInterface); ok {
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l.SetLogger(ctx.Logger)
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}
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}
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ctx.Next()
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if !ctx.Written() {
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if ctx.Result == nil {
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ctx.Result = NotFound()
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}
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ctx.HandleError()
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}
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statusCode := ctx.Status()
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if statusCode >= 200 && statusCode < 400 {
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ctx.Info(ctx.Req().Method, statusCode, time.Since(start), p)
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} else {
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ctx.Error(ctx.Req().Method, statusCode, time.Since(start), p, ctx.Result)
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}
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}
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}
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