Feature/task redis server v7 (#13)

* Add StopWithTimeout method.

* Upgrade task redis lib dependency: from v8 to v9.

go.mod

@@ -16,6 +16,7 @@ require (
 	github.com/go-playground/validator/v10 v10.9.0
 	github.com/go-redis/redis/v8 v8.4.3
 	github.com/panjf2000/ants/v2 v2.4.3
+	github.com/redis/go-redis/v9 v9.3.0
 	github.com/relvacode/iso8601 v1.1.0
 	github.com/spf13/pflag v1.0.3
 	github.com/stretchr/testify v1.7.0

go.sum

@@ -60,8 +60,13 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bmizerany/perks v0.0.0-20141205001514-d9a9656a3a4b/go.mod h1:ac9efd0D1fsDb3EJvhqgXRbFx7bs2wqZ10HQPeU8U/Q=
-github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
+github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
+github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
+github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
+github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/danieljoos/wincred v1.0.2 h1:zf4bhty2iLuwgjgpraD2E9UbvO+fe54XXGJbOwe23fU=
 github.com/danieljoos/wincred v1.0.2/go.mod h1:SnuYRW9lp1oJrZX/dXJqr0cPK5gYXqx3EJbmjhLdK9U=
@@ -223,6 +228,8 @@ github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.1.3 h1:F0+tqvhOksq22sc6iCHF5WGlWjdwj92p0udFh1VFBS8=
 github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
+github.com/redis/go-redis/v9 v9.3.0 h1:RiVDjmig62jIWp7Kk4XVLs0hzV6pI3PyTnnL0cnn0u0=
+github.com/redis/go-redis/v9 v9.3.0/go.mod h1:hdY0cQFCN4fnSYT6TkisLufl/4W5UIXyv0b/CLO2V2M=
 github.com/relvacode/iso8601 v1.1.0 h1:2nV8sp0eOjpoKQ2vD3xSDygsjAx37NHG2UlZiCkDH4I=
 github.com/relvacode/iso8601 v1.1.0/go.mod h1:FlNp+jz+TXpyRqgmM7tnzHHzBnz776kmAH2h3sZCn0I=
 github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=

task/task.go

@@ -21,8 +21,8 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/go-redis/redis/v8"
 	"github.com/panjf2000/ants/v2"
+	"github.com/redis/go-redis/v9"
 )
 
 const (
@@ -194,6 +194,36 @@ func (scheduler *Scheduler) Stop(force bool) {
 	}
 }
 
+// StopWithTimeout stops the current scheduler, waiting running tasks at most `timeout` duration.
+func (scheduler *Scheduler) StopWithTimeout(timeout time.Duration) {
+	if !atomic.CompareAndSwapInt32(&scheduler.started, 1, 0) {
+		return
+	}
+	scheduler.stop <- true
+	if timeout <= 0 {
+		scheduler.workerPool.Release()
+		return
+	}
+	timer := time.NewTimer(timeout)
+	defer timer.Stop()
+	for {
+		select {
+		case <-timer.C:
+			scheduler.workerPool.Release()
+			return
+		default:
+			runningCount := scheduler.runningJobCount()
+			if runningCount > 0 {
+				log.Printf("waiting %d jobs to finish...\n", runningCount)
+			} else {
+				scheduler.workerPool.Release()
+				return
+			}
+			time.Sleep(10 * time.Millisecond)
+		}
+	}
+}
+
 // JobStats returns all jobs' statistics in the current scheduler.
 func (scheduler *Scheduler) JobStats() map[string][]JobStat {
 	jobStats := make(map[string][]JobStat, len(scheduler.jobs))