[GitHub] [dubbo-go] cvictory commented on a change in pull request #495: Imp: refactor the network transport layer

[GitBox <gi...@apache.org>]

cvictory commented on a change in pull request #495:
URL: https://github.com/apache/dubbo-go/pull/495#discussion_r433103917



##########
File path: protocol/dubbo/dubbo_protocol.go
##########
@@ -131,3 +141,74 @@ func GetProtocol() protocol.Protocol {
 	}
 	return dubboProtocol
 }
+
+func doHandleRequest(rpcInvocation *invocation.RPCInvocation) protocol.RPCResult {
+	exporter, _ := dubboProtocol.ExporterMap().Load(rpcInvocation.ServiceKey())
+	result := protocol.RPCResult{}
+	if exporter == nil {
+		err := fmt.Errorf("don't have this exporter, key: %s", rpcInvocation.ServiceKey())
+		logger.Errorf(err.Error())
+		result.Err = err
+		//reply(session, p, hessian.PackageResponse)
+		return result
+	}
+	invoker := exporter.(protocol.Exporter).GetInvoker()
+	if invoker != nil {
+		// FIXME
+		ctx := rebuildCtx(rpcInvocation)
+
+		invokeResult := invoker.Invoke(ctx, rpcInvocation)
+		if err := invokeResult.Error(); err != nil {
+			result.Err = invokeResult.Error()
+			//p.Header.ResponseStatus = hessian.Response_OK
+			//p.Body = hessian.NewResponse(nil, err, result.Attachments())
+		} else {
+			result.Rest = invokeResult.Result()
+			//p.Header.ResponseStatus = hessian.Response_OK
+			//p.Body = hessian.NewResponse(res, nil, result.Attachments())
+		}
+	} else {
+		result.Err = fmt.Errorf("don't have the invoker, key: %s", rpcInvocation.ServiceKey())
+	}
+	return result
+}
+
+func getExchangeClient(url common.URL) *remoting.ExchangeClient {
+	clientTmp, ok := exchangeClientMap.Load(url.Location)
+	if !ok {

Review comment:
       增加了一层锁，可以看下：用了syncMap




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