70 lines
1.5 KiB
Go
70 lines
1.5 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/http"
|
|
|
|
// All drivers are imported here.
|
|
_ "github.com/chihaya/chihaya/drivers/backend/noop"
|
|
_ "github.com/chihaya/chihaya/drivers/tracker/memory"
|
|
)
|
|
|
|
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() {
|
|
defer glog.Flush()
|
|
|
|
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")
|
|
}
|