func Logger() echo.MiddlewareFunc {
return func(h echo.HandlerFunc) echo.HandlerFunc {
return func(c *echo.Context) error {
start := time.Now()
if err := h(c); err != nil {
c.Error(err)
}
stop := time.Now()
method := c.Request().Method
path := c.Request().URL.Path
if path == "" {
path = "/"
}
size := c.Response().Size()
n := c.Response().Status()
code := color.Green(n)
switch {
case n >= 500:
code = color.Red(n)
case n >= 400:
code = color.Yellow(n)
case n >= 300:
code = color.Cyan(n)
}
log.Printf("%s %s %s %s %d", method, path, code, stop.Sub(start), size)
return nil
}
}
}
func initLevels() {
levels = []string{
color.Blue("DEBUG"),
color.Green("INFO"),
color.Yellow("WARN"),
color.Red("ERROR"),
color.RedBg("FATAL"),
}
}
func (r *Response) WriteHeader(code int) {
if r.committed {
// TODO: Warning
log.Printf("echo => %s", color.Yellow("response already committed"))
return
}
r.status = code
r.writer.WriteHeader(code)
r.committed = true
}
func initLevels() {
levels = []string{
color.Cyan("TRACE"),
color.Blue("DEBUG"),
color.Green("INFO"),
color.Magenta("NOTICE"),
color.Yellow("WARN"),
color.Red("ERROR"),
color.RedBg("FATAL"),
}
}
func Logger() echo.MiddlewareFunc {
return func(h echo.HandlerFunc) echo.HandlerFunc {
return func(c *echo.Context) error {
req := c.Request()
res := c.Response()
logger := c.Echo().Logger()
remoteAddr := req.RemoteAddr
if ip := req.Header.Get(echo.XRealIP); ip != "" {
remoteAddr = ip
} else if ip = req.Header.Get(echo.XForwardedFor); ip != "" {
remoteAddr = ip
} else {
remoteAddr, _, _ = net.SplitHostPort(remoteAddr)
}
start := time.Now()
if err := h(c); err != nil {
c.Error(err)
}
stop := time.Now()
method := req.Method
path := req.URL.Path
if path == "" {
path = "/"
}
size := res.Size()
n := res.Status()
code := color.Green(n)
switch {
case n >= 500:
code = color.Red(n)
case n >= 400:
code = color.Yellow(n)
case n >= 300:
code = color.Cyan(n)
}
logger.Info("%14v %-20s %3s %4s %s [%d]",
stop.Sub(start), // Продолжительность обработки запроса
remoteAddr, // IP-адрес того, кто осуществляет запрос
code, // Статус ответа
method, // Метод HTTP-запроса
path, // Запрашиваемый URL
size, // размер ответа
)
return nil
}
}
}
func Logger() echo.MiddlewareFunc {
return func(h echo.HandlerFunc) echo.HandlerFunc {
return func(c *echo.Context) error {
req := c.Request()
res := c.Response()
logger := c.Echo().Logger()
remoteAddr := req.RemoteAddr
if ip := req.Header.Get(echo.XRealIP); ip != "" {
remoteAddr = ip
} else if ip = req.Header.Get(echo.XForwardedFor); ip != "" {
remoteAddr = ip
} else {
remoteAddr, _, _ = net.SplitHostPort(remoteAddr)
}
start := time.Now()
if err := h(c); err != nil {
c.Error(err)
}
stop := time.Now()
method := req.Method
path := req.URL.Path
if path == "" {
path = "/"
}
size := res.Size()
n := res.Status()
code := color.Green(n)
switch {
case n >= 500:
code = color.Red(n)
case n >= 400:
code = color.Yellow(n)
case n >= 300:
code = color.Cyan(n)
}
logger.Info("%s %s %s %s %s %d", remoteAddr, method, path, code, stop.Sub(start), size)
return nil
}
}
}
func (l *Logger) SetOutput(w io.Writer) {
l.out = w
l.err = w
color.Disable()
switch w := w.(type) {
case *os.File:
if isatty.IsTerminal(w.Fd()) {
color.Enable()
}
levels = []string{
color.Cyan("TRACE"),
color.Blue("DEBUG"),
color.Green("INFO"),
color.Magenta("NOTICE"),
color.Yellow("WARN"),
color.Red("ERROR"),
color.RedBg("FATAL"),
}
}
}
// Warn prints a yellow-tinted warning message.
func Warn(format string, v ...interface{}) {
fmt.Fprint(Stderr, color.Yellow("[WARN] "))
Msg(format, v...)
}
// LoggerFromConfig returns a logger middleware from config.
// See `Logger()`.
func LoggerFromConfig(config LoggerConfig) echo.MiddlewareFunc {
config.template = fasttemplate.New(config.Format, "${", "}")
config.color = color.New()
if w, ok := config.Output.(*os.File); ok && !isatty.IsTerminal(w.Fd()) {
config.color.Disable()
}
return func(next echo.Handler) echo.Handler {
return echo.HandlerFunc(func(c echo.Context) (err error) {
rq := c.Request()
rs := c.Response()
start := time.Now()
if err = next.Handle(c); err != nil {
c.Error(err)
}
stop := time.Now()
_, err = config.template.ExecuteFunc(config.Output, func(w io.Writer, tag string) (int, error) {
switch tag {
case "time_rfc3339":
return w.Write([]byte(time.Now().Format(time.RFC3339)))
case "remote_ip":
ra := rq.RemoteAddress()
if ip := rq.Header().Get(echo.XRealIP); ip != "" {
ra = ip
} else if ip = rq.Header().Get(echo.XForwardedFor); ip != "" {
ra = ip
} else {
ra, _, _ = net.SplitHostPort(ra)
}
return w.Write([]byte(ra))
case "uri":
return w.Write([]byte(rq.URI()))
case "method":
return w.Write([]byte(rq.Method()))
case "path":
p := rq.URL().Path()
if p == "" {
p = "/"
}
return w.Write([]byte(p))
case "status":
n := rs.Status()
s := color.Green(n)
switch {
case n >= 500:
s = color.Red(n)
case n >= 400:
s = color.Yellow(n)
case n >= 300:
s = color.Cyan(n)
}
return w.Write([]byte(s))
case "response_time":
return w.Write([]byte(stop.Sub(start).String()))
case "response_size":
return w.Write([]byte(strconv.FormatInt(rs.Size(), 10)))
default:
return w.Write([]byte(fmt.Sprintf("[unknown tag %s]", tag)))
}
})
return
})
}
}