mcpbridge新增vport元素，以修复服务后端端口不一致导致的兼容性问题 || =mcpbridge added a vport element to fix compatibility issues caused by inconsistent ports in the service backend (#2859)

registry/watcher.go

@@ -15,7 +15,11 @@
 package registry
 
 import (
+	apiv1 "github.com/alibaba/higress/api/networking/v1"
+	"istio.io/api/networking/v1alpha3"
+	"istio.io/pkg/log"
 	"net"
+	"strings"
 	"time"
 )
 
@@ -89,3 +93,29 @@ func ProbeWatcherStatus(host string, port string) WatcherStatus {
 	_ = conn.Close()
 	return Healthy
 }
+
+func GetServiceVport(host string, vport *apiv1.RegistryConfig_VPort) *v1alpha3.ServicePort {
+	if vport == nil {
+		log.Warnf("there is no vport exist for: %s, skip", host)
+		return nil
+	}
+	for _, service := range vport.Services {
+		if strings.EqualFold(service.Name, host) && isValidPort(service.Value) {
+			log.Infof("service %s vport exist, use service vport %d", host, service.Value)
+			return &v1alpha3.ServicePort{
+				Number: service.Value,
+			}
+		}
+	}
+	if isValidPort(vport.Default) {
+		log.Infof("there is only default vport exist, use default vport %d", vport.Default)
+		return &v1alpha3.ServicePort{
+			Number: vport.Default,
+		}
+	}
+	return nil
+}
+
+func isValidPort(port uint32) bool {
+	return port > 0 && port <= 65535
+}