tracker/main.go
2014-07-06 17:56:54 -04:00

67 lines
1.4 KiB
Go

// Copyright 2014 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 main
import (
"flag"
"os"
"runtime"
"runtime/pprof"
"github.com/golang/glog"
"github.com/chihaya/chihaya/config"
_ "github.com/chihaya/chihaya/drivers/backend/mock"
_ "github.com/chihaya/chihaya/drivers/tracker/mock"
"github.com/chihaya/chihaya/http"
)
var (
profile bool
configPath string
)
func init() {
flag.BoolVar(&profile, "profile", false, "Generate profiling data for pprof into ./chihaya.cpu")
flag.StringVar(&configPath, "config", "", "Provide the filesystem path of a valid configuration file.")
}
func main() {
flag.Parse()
glog.Info("parsed flags")
runtime.GOMAXPROCS(runtime.NumCPU())
glog.Info("set gomaxprocs to ", runtime.NumCPU())
if profile {
f, err := os.Create("chihaya.cpu")
if err != nil {
glog.Fatalf("failed to create profile file: %s\n", err)
}
defer f.Close()
pprof.StartCPUProfile(f)
glog.Info("started profiling")
defer func() {
pprof.StopCPUProfile()
glog.Info("stopped profiling")
}()
}
cfg, err := config.Open(configPath)
if err != nil {
glog.Fatalf("failed to parse configuration file: %s\n", err)
}
if cfg == &config.DefaultConfig {
glog.Info("using default config")
} else {
glog.Infof("loaded config file: %s", configPath)
}
http.Serve(cfg)
glog.Info("gracefully shutdown")
}