fcgitest.go

package main

import (
	"flag"
	"fmt"
	"log"
	"net"
	"net/http"
	"net/http/fcgi"
	"os"
)

var (
	sockPath = flag.String("sockpath", "/tmp/gofcgitest.sock", "socket path")
)

func myLog(h http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		log.Printf("%q %q %q\n", r.RemoteAddr, r.Method, r.URL)
		h.ServeHTTP(w, r)
	})
}

func main() {
	flag.Parse()

	if _, err := os.Stat(*sockPath); err == nil {
		_ = os.Remove(*sockPath)
		log.Printf("previous sock file removed: %s", *sockPath)
	}

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		fmt.Fprintf(w, "Hello fcgi!")
	})

	ln, err := net.Listen("unix", *sockPath)
	if err != nil {
		log.Fatalf("can't listen on %s: %v", *sockPath, err)
	}
	defer ln.Close()

	log.Printf("listening on %s", *sockPath)
	log.Fatal(fcgi.Serve(ln, myLog(http.DefaultServeMux)))
}