feat: get dialer name

pkg/network/dialer/dialer.go

@@ -19,6 +19,8 @@ package dialer
 import (
 	"crypto/tls"
 	"net"
+	"reflect"
+	"strings"
 	"time"
 
 	"github.com/cloudwego/hertz/pkg/network"
@@ -49,3 +51,21 @@ func DialTimeout(network, address string, timeout time.Duration, tlsConfig *tls.
 func AddTLS(conn network.Conn, tlsConfig *tls.Config) (network.Conn, error) {
 	return defaultDialer.AddTLS(conn, tlsConfig)
 }
+
+// GetDialerName returns the name of the dialer
+func GetDialerName() (dName string) {
+	defer func() {
+		err := recover()
+		if err != nil {
+			dName = "unknown"
+		}
+	}()
+
+	dName = reflect.TypeOf(defaultDialer).String()
+	dSlice := strings.Split(dName, ".")
+	dName = dSlice[0]
+	if dName[0] == '*' {
+		dName = dName[1:]
+	}
+	return
+}

pkg/network/dialer/dialer_test.go

@@ -0,0 +1,21 @@
+package dialer
+
+import (
+	"testing"
+
+	"github.com/cloudwego/hertz/pkg/common/test/assert"
+	"github.com/cloudwego/hertz/pkg/network/standard"
+)
+
+func TestGetDialerName(t *testing.T) {
+	dName := GetDialerName()
+	assert.DeepEqual(t, "netpoll", dName)
+
+	defaultDialer = standard.NewDialer()
+	dName = GetDialerName()
+	assert.DeepEqual(t, "standard", dName)
+
+	defaultDialer = nil
+	dName = GetDialerName()
+	assert.DeepEqual(t, "unknown", dName)
+}