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main.go
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main.go
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package main
import (
"./common"
"context"
"flag"
"fmt"
"github.com/gorilla/mux"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"time"
)
func main() {
flag.Parse()
config, err := common.LoadConfig()
if err != nil {
log.Fatalf("Could not load config: %s", err)
}
if err = config.Check(); err != nil {
log.Fatalf("Configuration error: %s", err)
}
fmt.Println(config.Info())
r := mux.NewRouter()
r.HandleFunc("/", handler)
stop := make(chan os.Signal, 2)
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
fmt.Println("Listening on: ", config.Listen)
server := http.Server{
Addr: config.Listen,
Handler: r,
}
go func() {
err := server.ListenAndServe()
if err != nil && err != http.ErrServerClosed {
fmt.Println("Error listen: %s", err)
}
}()
<-stop
fmt.Println("Finish processing...")
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
if err := server.Shutdown(ctx); err != nil {
log.Fatalf("Error shundown %s", err)
}
defer cancel()
fmt.Println("Server gracefully stopped.")
}
func handler(_ http.ResponseWriter, r *http.Request) {
log.Println(r.RequestURI)
return
}