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package main
import (
"bufio"
"flag"
"net/http"
"os"
"time"
"github.com/NyaaPantsu/nyaa/cache"
"github.com/NyaaPantsu/nyaa/config"
"github.com/NyaaPantsu/nyaa/db"
"github.com/NyaaPantsu/nyaa/network"
"github.com/NyaaPantsu/nyaa/router"
"github.com/NyaaPantsu/nyaa/service/scraper"
"github.com/NyaaPantsu/nyaa/service/torrent/metainfoFetcher"
"github.com/NyaaPantsu/nyaa/service/user"
"github.com/NyaaPantsu/nyaa/util/languages"
"github.com/NyaaPantsu/nyaa/util/log"
"github.com/NyaaPantsu/nyaa/util/search"
"github.com/NyaaPantsu/nyaa/util/signals"
)
// RunServer runs webapp mainloop
func RunServer(conf *config.Config) {
// TODO Use config from cli
os.Mkdir(router.DatabaseDumpPath, 700)
// TODO Use config from cli
os.Mkdir(router.GPGPublicKeyPath, 700)
http.Handle("/", router.Router)
// Set up server,
srv := &http.Server{
WriteTimeout: 30 * time.Second,
ReadTimeout: 10 * time.Second,
}
l, err := network.CreateHTTPListener(conf)
log.CheckError(err)
if err == nil {
// add http server to be closed gracefully
signals.RegisterCloser(&network.GracefulHttpCloser{
Server: srv,
Listener: l,
})
log.Infof("listening on %s", l.Addr())
err := srv.Serve(l)
if err != nil && err != network.ErrListenerStopped {
log.CheckError(err)
}
}
}
// RunScraper runs tracker scraper mainloop
func RunScraper(conf *config.Config) {
// bind to network
pc, err := network.CreateScraperSocket(conf)
if err != nil {
log.Fatalf("failed to bind udp socket for scraper: %s", err)
}
// configure tracker scraperv
var scraper *scraperService.Scraper
scraper, err = scraperService.New(&conf.Scrape)
if err != nil {
pc.Close()
log.Fatalf("failed to configure scraper: %s", err)
}
workers := conf.Scrape.NumWorkers
if workers < 1 {
workers = 1
}
// register udp socket with signals
signals.RegisterCloser(pc)
// register scraper with signals
signals.RegisterCloser(scraper)
// run udp scraper worker
for workers > 0 {
log.Infof("starting up worker %d", workers)
go scraper.RunWorker(pc)
workers--
}
// run scraper
go scraper.Run()
scraper.Wait()
}
// RunMetainfoFetcher runs the database filesize fetcher main loop
func RunMetainfoFetcher(conf *config.Config) {
fetcher, err := metainfoFetcher.New(&conf.MetainfoFetcher)
if err != nil {
log.Fatalf("failed to start fetcher, %s", err)
return
}
signals.RegisterCloser(fetcher)
fetcher.RunAsync()
fetcher.Wait()
}
func main() {
conf := config.New()
processFlags := conf.BindFlags()
defaults := flag.Bool("print-defaults", false, "print the default configuration file on stdout")
mode := flag.String("mode", "webapp", "which mode to run daemon in, either webapp, scraper or metainfo_fetcher")
flag.Float64Var(&conf.Cache.Size, "c", config.DefaultCacheSize, "size of the search cache in MB")
flag.Parse()
if *defaults {
stdout := bufio.NewWriter(os.Stdout)
err := conf.Pretty(stdout)
if err != nil {
log.Fatal(err.Error())
}
err = stdout.Flush()
if err != nil {
log.Fatal(err.Error())
}
os.Exit(0)
} else {
err := processFlags()
if err != nil {
log.CheckError(err)
}
db.ORM, err = db.GormInit(conf, db.DefaultLogger)
if err != nil {
log.Fatal(err.Error())
}
err = languages.InitI18n(conf.I18n, userService.NewCurrentUserRetriever())
if err != nil {
log.Fatal(err.Error())
}
err = cache.Configure(&conf.Cache)
if err != nil {
log.Fatal(err.Error())
}
err = search.Configure(&conf.Search)
if err != nil {
log.Fatal(err.Error())
}
go signals.Handle()
if len(config.TorrentFileStorage) > 0 {
err := os.MkdirAll(config.TorrentFileStorage, 0700)
if err != nil {
log.Fatal(err.Error())
}
}
if *mode == "scraper" {
RunScraper(conf)
} else if *mode == "webapp" {
RunServer(conf)
} else if *mode == "metainfo_fetcher" {
RunMetainfoFetcher(conf)
} else {
log.Fatalf("invalid runtime mode: %s", *mode)
}
}
}
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