tracker/chihaya.go
Jimmy Zelinskie 9862a57b73 remove all private tracker logic
There are no consumers of any of this logic nor is it complete. We're
better off without it in the meantime until we have a use case and a
more cohesive model for expressing it.
2016-01-04 18:26:29 -05:00

122 lines
2.5 KiB
Go

// Copyright 2015 The Chihaya Authors. All rights reserved.
// Use of this source code is governed by the BSD 2-Clause license,
// which can be found in the LICENSE file.
// Package chihaya implements the ability to boot the Chihaya BitTorrent
// tracker with your own imports that can dynamically register additional
// functionality.
package chihaya
import (
"flag"
"os"
"os/signal"
"runtime"
"sync"
"syscall"
"github.com/golang/glog"
"github.com/chihaya/chihaya/api"
"github.com/chihaya/chihaya/config"
"github.com/chihaya/chihaya/http"
"github.com/chihaya/chihaya/stats"
"github.com/chihaya/chihaya/tracker"
"github.com/chihaya/chihaya/udp"
)
var (
maxProcs int
configPath string
)
func init() {
flag.IntVar(&maxProcs, "maxprocs", runtime.NumCPU(), "maximum parallel threads")
flag.StringVar(&configPath, "config", "", "path to the configuration file")
}
type server interface {
Serve()
Stop()
}
// Boot starts Chihaya. By exporting this function, anyone can import their own
// custom drivers into their own package main and then call chihaya.Boot.
func Boot() {
defer glog.Flush()
flag.Parse()
runtime.GOMAXPROCS(maxProcs)
glog.V(1).Info("Set max threads to ", maxProcs)
debugBoot()
defer debugShutdown()
cfg, err := config.Open(configPath)
if err != nil {
glog.Fatalf("Failed to parse configuration file: %s\n", err)
}
if cfg == &config.DefaultConfig {
glog.V(1).Info("Using default config")
} else {
glog.V(1).Infof("Loaded config file: %s", configPath)
}
stats.DefaultStats = stats.New(cfg.StatsConfig)
tkr, err := tracker.New(cfg)
if err != nil {
glog.Fatal("New: ", err)
}
var servers []server
if cfg.APIConfig.ListenAddr != "" {
servers = append(servers, api.NewServer(cfg, tkr))
}
if cfg.HTTPConfig.ListenAddr != "" {
servers = append(servers, http.NewServer(cfg, tkr))
}
if cfg.UDPConfig.ListenAddr != "" {
servers = append(servers, udp.NewServer(cfg, tkr))
}
var wg sync.WaitGroup
for _, srv := range servers {
wg.Add(1)
// If you don't explicitly pass the server, every goroutine captures the
// last server in the list.
go func(srv server) {
defer wg.Done()
srv.Serve()
}(srv)
}
shutdown := make(chan os.Signal)
signal.Notify(shutdown, syscall.SIGINT, syscall.SIGTERM)
go func() {
wg.Wait()
signal.Stop(shutdown)
close(shutdown)
}()
<-shutdown
glog.Info("Shutting down...")
for _, srv := range servers {
srv.Stop()
}
<-shutdown
if err := tkr.Close(); err != nil {
glog.Errorf("Failed to shut down tracker cleanly: %s", err.Error())
}
}