gocron/cmd/serv.go

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2017-05-20 08:26:57 +00:00
package cmd
import (
"github.com/urfave/cli"
"fmt"
"github.com/ouqiang/gocron/modules/utils"
"github.com/ouqiang/gocron/modules/app"
"os"
"syscall"
)
var CmdServ = cli.Command{
Name: "serv",
Usage: "manage gocron, ./gocron serv -s stop|status",
Action: runServ,
Flags: []cli.Flag{
cli.StringFlag{
Name: "s",
Value:"",
Usage: "stop|status",
},
},
}
func runServ(ctx *cli.Context) {
if utils.IsWindows() {
fmt.Println("not support on windows")
return
}
option := ctx.String("s")
if !utils.InStringSlice([]string{"stop", "status"}, option) {
fmt.Println("invalid option")
return
}
app.InitEnv()
pid := app.GetPid()
if pid <= 0 {
fmt.Println("not running")
return
}
process ,err := os.FindProcess(pid)
if err != nil {
fmt.Println("not running", err)
return
}
switch option {
case "stop":
stop(process)
case "status":
status(process)
}
}
func stop(process *os.Process) {
fmt.Println("stopping gocron......")
err := process.Signal(syscall.SIGTERM)
if err != nil {
fmt.Println("failed to kill process", err)
} else {
fmt.Println("stopped")
}
}
func status(process *os.Process) {
fmt.Printf("running, pid-[%d]\n", process.Pid)
}