实现HTTP部分功能

internal/utils/ticker.go

@@ -0,0 +1,47 @@
+package utils
+
+import (
+	"time"
+)
+
+// 类似于time.Ticker，但能够真正地停止
+type Ticker struct {
+	raw *time.Ticker
+
+	S chan bool
+	C <-chan time.Time
+
+	isStopped bool
+}
+
+// 创建新Ticker
+func NewTicker(duration time.Duration) *Ticker {
+	raw := time.NewTicker(duration)
+	return &Ticker{
+		raw: raw,
+		C:   raw.C,
+		S:   make(chan bool, 1),
+	}
+}
+
+// 查找下一个Tick
+func (this *Ticker) Next() bool {
+	select {
+	case <-this.raw.C:
+		return true
+	case <-this.S:
+		return false
+	}
+}
+
+// 停止
+func (this *Ticker) Stop() {
+	if this.isStopped {
+		return
+	}
+
+	this.isStopped = true
+
+	this.raw.Stop()
+	this.S <- true
+}