bluebell/cmd/site-hosting/main.go

103 lines
2.2 KiB
Go

package main
import (
"errors"
"flag"
"fmt"
"github.com/1f349/site-hosting/config"
"github.com/1f349/site-hosting/serve"
"github.com/1f349/site-hosting/upload"
"github.com/MrMelon54/exit-reload"
"github.com/julienschmidt/httprouter"
"github.com/spf13/afero"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"time"
)
var (
listenFlag string
storageFlag string
)
func main() {
flag.StringVar(&listenFlag, "listen", "", "Address to listen on")
flag.StringVar(&storageFlag, "storage", "", "Path site files are stored in")
flag.Parse()
if listenFlag == "" {
log.Fatal("[SiteHosting] Missing listen flag")
}
if storageFlag == "" {
log.Fatal("[SiteHosting] Missing storage flag")
}
_, err := os.Stat(storageFlag)
if err != nil {
log.Fatal("[SiteHosting] Failed to stat storage path, does the directory exist? Error: ", err)
}
storageFs := afero.NewBasePathFs(afero.NewOsFs(), storageFlag)
liveConf := config.New(storageFs)
uploadHandler := upload.New(storageFs, liveConf)
serveHandler := serve.New(storageFs, liveConf)
router := httprouter.New()
router.POST("/u/:site", uploadHandler.Handle)
router.GET("/", serveHandler.Handle)
srv := &http.Server{
Addr: listenFlag,
Handler: router,
}
log.Printf("[SiteHosting] Starting server on: '%s'\n", srv.Addr)
go func() {
err := srv.ListenAndServe()
if err != nil {
if errors.Is(err, http.ErrServerClosed) {
log.Printf("[SiteHosting] The http server shutdown successfully\n")
} else {
log.Printf("[SiteHosting] Error trying to host the http server: %s\n", err.Error())
}
}
}()
exit_reload.ExitReload("SiteHosting", func() {
}, func() {
})
exitSig := make(chan struct{}, 1)
scReload := make(chan os.Signal, 1)
signal.Notify(scReload, syscall.SIGHUP)
go func() {
for {
select {
case <-exitSig:
case <-scReload:
}
}
}()
// Wait for exit signal
sc := make(chan os.Signal, 1)
signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
<-sc
close(exitSig)
fmt.Println()
// Stop server
log.Printf("[SiteHosting] Stopping...")
n := time.Now()
// close http server
_ = srv.Close()
log.Printf("[SiteHosting] Took '%s' to shutdown\n", time.Now().Sub(n))
log.Println("[SiteHosting] Goodbye")
}