106 lines
2.5 KiB
Go
106 lines
2.5 KiB
Go
// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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package gin
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import (
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"log"
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"os"
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"time"
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)
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func ErrorLogger() HandlerFunc {
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return ErrorLoggerT(ErrorTypeAll)
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}
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func ErrorLoggerT(typ uint32) HandlerFunc {
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return func(c *Context) {
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c.Next()
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errs := c.Errors.ByType(typ)
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if len(errs) > 0 {
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// -1 status code = do not change current one
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c.JSON(-1, c.Errors)
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}
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}
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}
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var (
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green = string([]byte{27, 91, 57, 55, 59, 52, 50, 109})
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white = string([]byte{27, 91, 57, 48, 59, 52, 55, 109})
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yellow = string([]byte{27, 91, 57, 55, 59, 52, 51, 109})
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red = string([]byte{27, 91, 57, 55, 59, 52, 49, 109})
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blue = string([]byte{27, 91, 57, 55, 59, 52, 52, 109})
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magenta = string([]byte{27, 91, 57, 55, 59, 52, 53, 109})
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cyan = string([]byte{27, 91, 57, 55, 59, 52, 54, 109})
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reset = string([]byte{27, 91, 48, 109})
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)
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func Logger() HandlerFunc {
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stdlogger := log.New(os.Stdout, "", 0)
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//errlogger := log.New(os.Stderr, "", 0)
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return func(c *Context) {
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// Start timer
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start := time.Now()
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// Process request
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c.Next()
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// save the IP of the requester
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requester := c.Request.Header.Get("X-Real-IP")
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// if the requester-header is empty, check the forwarded-header
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if len(requester) == 0 {
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requester = c.Request.Header.Get("X-Forwarded-For")
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}
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// if the requester is still empty, use the hard-coded address from the socket
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if len(requester) == 0 {
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requester = c.Request.RemoteAddr
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}
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var color string
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code := c.Writer.Status()
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switch {
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case code >= 200 && code <= 299:
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color = green
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case code >= 300 && code <= 399:
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color = white
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case code >= 400 && code <= 499:
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color = yellow
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default:
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color = red
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}
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var methodColor string
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method := c.Request.Method
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switch {
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case method == "GET":
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methodColor = blue
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case method == "POST":
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methodColor = cyan
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case method == "PUT":
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methodColor = yellow
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case method == "DELETE":
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methodColor = red
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case method == "PATCH":
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methodColor = green
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case method == "HEAD":
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methodColor = magenta
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case method == "OPTIONS":
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methodColor = white
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}
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end := time.Now()
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latency := end.Sub(start)
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stdlogger.Printf("[GIN] %v |%s %3d %s| %12v | %s |%s %s %-7s %s\n%s",
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end.Format("2006/01/02 - 15:04:05"),
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color, code, reset,
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latency,
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requester,
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methodColor, reset, method,
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c.Request.URL.Path,
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c.Errors.String(),
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)
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}
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}
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