待机配置

internal/routes/background.go

@@ -0,0 +1,93 @@
+package routes
+
+import (
+	"game-driver/internal/common"
+	"game-driver/internal/middleware"
+	"game-driver/internal/schema"
+	"game-driver/leaf"
+	"game-driver/pkg/audio"
+	"github.com/gopxl/beep/v2"
+	"github.com/gopxl/beep/v2/mp3"
+	"github.com/gopxl/beep/v2/speaker"
+	"log"
+	"time"
+)
+
+func timerAction(timestamp int64) <-chan struct{} {
+	a := make(chan struct{})
+
+	go func() {
+		if timestamp == 0 {
+			close(a)
+		} else {
+			<-time.After(time.Until(time.Unix(timestamp, 0)))
+			close(a)
+		}
+	}()
+
+	return a
+}
+
+func BackgroundAction(c *leaf.Context) {
+	payload := leaf.Value[*schema.BackgroundModel](c, middleware.PayloadJSONKey)
+
+	if payload.Start != 0 && payload.End != 0 && time.Unix(payload.Start, 0).After(time.Unix(payload.End, 0)) {
+		log.Println("开始时间大于结束时间")
+		return
+	}
+
+	if payload.End != 0 {
+		cancel := leaf.WithDeadline(c, time.Unix(payload.End, 0))
+		defer cancel()
+	}
+
+	select {
+	case <-c.Done():
+	case <-timerAction(payload.Start):
+		go audioAction(c, payload.Items[0], payload.TimeModel)
+	}
+}
+
+func audioAction(c *leaf.Context, item schema.BackgroundItemModel, root schema.TimeModel) {
+	if item.Start != 0 && time.Unix(item.Start, 0).Before(time.Unix(root.Start, 0)) {
+		log.Println("开始时间小于根任务开始时间")
+		return
+	}
+
+	select {
+	case <-c.Done():
+	case <-timerAction(item.Start):
+		{
+			log.Println("开始执行后台任务")
+			data := common.LinkAudio(item.Data)
+
+			streamer, format, err := mp3.Decode(data)
+			if err != nil {
+				return
+			}
+			defer streamer.Close()
+
+			s := beep.Resample(4, format.SampleRate, audio.DefaultSampleRate, streamer)
+
+			ctrl := &beep.Ctrl{Streamer: s}
+			done := make(chan struct{})
+			speaker.Play(beep.Seq(ctrl, beep.Callback(func() {
+				close(done)
+			})))
+
+			for {
+				select {
+				case <-done:
+					return
+				case <-c.Done():
+					{
+						speaker.Lock()
+						ctrl.Streamer = nil
+						speaker.Unlock()
+					}
+				}
+			}
+
+		}
+	}
+}