wqyenjoy commented on code in PR #2983:
URL: https://github.com/apache/dubbo-go/pull/2983#discussion_r2306567518
##########
metadata/metadata_service.go:
##########
@@ -148,27 +148,70 @@ type serviceExporter struct {
v2Exporter base.Exporter
}
-// Export will export the metadataService
+// Export will export metadata services using single port dual interface
architecture
+// This ensures compatibility and proper client discovery for both V1 and V2
func (e *serviceExporter) Export() error {
- var port string
- if e.opts.port == 0 {
- port = common.GetRandomPort("")
- } else {
- port = strconv.Itoa(e.opts.port)
+ port := e.getPort()
+
+ // Export V1 protocol for backward compatibility
+ if err := e.exportV1Services(port); err != nil {
+ return err
}
- if e.opts.protocol == constant.DefaultProtocol {
- err := e.exportDubbo(port)
- if err != nil {
- return err
+
+ // Export V2 protocol on same port with different interface name
+ // Only export V2 for tri protocol to maintain compatibility
+ if e.shouldExportV2() {
+ if err := e.exportV2Services(port); err != nil {
+ // Log warning but don't fail - V1 should continue
working
+ logger.Warnf("Failed to export MetadataService V2: %v",
err)
}
- } else {
- e.exportTripleV1(port)
- // v2 only supports triple protocol
- e.exportV2(port)
}
+
return nil
}
+// shouldExportV2 determines if V2 protocol should be exported
+// Only export V2 for tri protocol to avoid serialization conflicts
+func (e *serviceExporter) shouldExportV2() bool {
+ return e.opts.protocol == constant.TriProtocol
Review Comment:
确实，我给改下
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