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paopao-ce/main.go

81 lines
1.8 KiB

// Copyright 2022 ROC. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
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package main
import (
"flag"
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"fmt"
"os"
"os/signal"
"strings"
"sync"
"syscall"
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"github.com/fatih/color"
"github.com/rocboss/paopao-ce/internal"
"github.com/rocboss/paopao-ce/internal/conf"
"github.com/rocboss/paopao-ce/internal/service"
"github.com/rocboss/paopao-ce/pkg/debug"
"github.com/rocboss/paopao-ce/pkg/util"
)
var (
noDefaultFeatures bool
features suites
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)
type suites []string
func (s *suites) String() string {
return strings.Join(*s, ",")
}
func (s *suites) Set(value string) error {
for _, item := range strings.Split(value, ",") {
*s = append(*s, strings.TrimSpace(item))
}
return nil
}
func init() {
flagParse()
conf.Initialize(features, noDefaultFeatures)
internal.Initialize()
}
func flagParse() {
flag.BoolVar(&noDefaultFeatures, "no-default-features", false, "whether not use default features")
flag.Var(&features, "features", "use special features")
flag.Parse()
}
func main() {
util.PrintHelloBanner(debug.VersionInfo())
ss := service.MustInitService()
if len(ss) < 1 {
fmt.Fprintln(color.Output, "no service need start so just exit")
return
}
wg := &sync.WaitGroup{}
// start services
fmt.Fprintf(color.Output, "\nstarting run service...\n\n")
service.Start(wg)
// graceful stop services
wg.Add(1)
go func() {
quit := make(chan os.Signal, 1)
// kill (no param) default send syscall.SIGTERM
// kill -2 is syscall.SIGINT
// kill -9 is syscall.SIGKILL but can't be catch, so don't need add it
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
<-quit
fmt.Fprintf(color.Output, "\nshutting down server...\n\n")
service.Stop()
wg.Done()
}()
wg.Wait()
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}