初始化导入 new-api 源码

common/go-channel.go

@@ -0,0 +1,53 @@
+package common
+
+import (
+	"time"
+)
+
+func SafeSendBool(ch chan bool, value bool) (closed bool) {
+	defer func() {
+		// Recover from panic if one occured. A panic would mean the channel was closed.
+		if recover() != nil {
+			closed = true
+		}
+	}()
+
+	// This will panic if the channel is closed.
+	ch <- value
+
+	// If the code reaches here, then the channel was not closed.
+	return false
+}
+
+func SafeSendString(ch chan string, value string) (closed bool) {
+	defer func() {
+		// Recover from panic if one occured. A panic would mean the channel was closed.
+		if recover() != nil {
+			closed = true
+		}
+	}()
+
+	// This will panic if the channel is closed.
+	ch <- value
+
+	// If the code reaches here, then the channel was not closed.
+	return false
+}
+
+// SafeSendStringTimeout send, return true, else return false
+func SafeSendStringTimeout(ch chan string, value string, timeout int) (closed bool) {
+	defer func() {
+		// Recover from panic if one occured. A panic would mean the channel was closed.
+		if recover() != nil {
+			closed = false
+		}
+	}()
+
+	// This will panic if the channel is closed.
+	select {
+	case ch <- value:
+		return true
+	case <-time.After(time.Duration(timeout) * time.Second):
+		return false
+	}
+}