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package main
import (
"io"
"log"
"net/http"
"os"
"strings"
"time"
restful "github.com/emicklei/go-restful/v3"
)
// This example shows how to create a filter that produces log lines
// according to the Common Log Format, also known as the NCSA standard.
//
// kindly contributed by leehambley
//
// GET http://localhost:8080/ping
var logger *log.Logger = log.New(os.Stdout, "", 0)
func NCSACommonLogFormatLogger() restful.FilterFunction {
return func(req *restful.Request, resp *restful.Response, chain *restful.FilterChain) {
var username = "-"
if req.Request.URL.User != nil {
if name := req.Request.URL.User.Username(); name != "" {
username = name
}
}
chain.ProcessFilter(req, resp)
logger.Printf("%s - %s [%s] \"%s %s %s\" %d %d",
strings.Split(req.Request.RemoteAddr, ":")[0],
username,
time.Now().Format("02/Jan/2006:15:04:05 -0700"),
req.Request.Method,
req.Request.URL.RequestURI(),
req.Request.Proto,
resp.StatusCode(),
resp.ContentLength(),
)
}
}
func main() {
ws := new(restful.WebService)
ws.Filter(NCSACommonLogFormatLogger())
ws.Route(ws.GET("/ping").To(hello))
restful.Add(ws)
log.Fatal(http.ListenAndServe(":8080", nil))
}
func hello(req *restful.Request, resp *restful.Response) {
io.WriteString(resp, "pong")
}
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