forked from jpillora/scraper
/
main.go
56 lines (45 loc) · 1.01 KB
/
main.go
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package main
import (
"log"
"net/http"
"os"
"os/signal"
"strconv"
"syscall"
"github.com/jpillora/opts"
"github.com/jpillora/scraper/scraper"
)
var VERSION = "0.0.0"
type config struct {
ConfigFile string `type:"arg" help:"Path to JSON configuration file"`
Host string `help:"Listening interface"`
Port int `help:"Listening port"`
}
func main() {
c := config{
Host: "0.0.0.0",
Port: 3000,
}
opts.New(&c).
Repo("github.com/jpillora/scraper").
Version(VERSION).
Parse()
h := &scraper.Handler{Log: true}
go func() {
for {
sig := make(chan os.Signal, 1)
signal.Notify(sig, syscall.SIGHUP)
<-sig
if err := h.LoadConfigFile(c.ConfigFile); err != nil {
log.Printf("failed to load configuration: %s", err)
} else {
log.Printf("successfully loaded new configuration")
}
}
}()
if err := h.LoadConfigFile(c.ConfigFile); err != nil {
log.Fatal(err)
}
log.Printf("listening on %d...", c.Port)
log.Fatal(http.ListenAndServe(c.Host+":"+strconv.Itoa(c.Port), h))
}