115 lines
4.5 KiB
Go
115 lines
4.5 KiB
Go
/*
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* Copyright 1999-2020 Alibaba Group Holding Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package naming_client
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import (
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"github.com/nacos-group/nacos-sdk-go/v2/clients/naming_client/naming_cache"
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"github.com/nacos-group/nacos-sdk-go/v2/clients/naming_client/naming_grpc"
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"github.com/nacos-group/nacos-sdk-go/v2/clients/naming_client/naming_http"
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"github.com/nacos-group/nacos-sdk-go/v2/clients/naming_client/naming_proxy"
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"github.com/nacos-group/nacos-sdk-go/v2/common/constant"
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"github.com/nacos-group/nacos-sdk-go/v2/common/http_agent"
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"github.com/nacos-group/nacos-sdk-go/v2/common/nacos_server"
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"github.com/nacos-group/nacos-sdk-go/v2/model"
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"github.com/nacos-group/nacos-sdk-go/v2/util"
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)
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// NamingProxyDelegate ...
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type NamingProxyDelegate struct {
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httpClientProxy *naming_http.NamingHttpProxy
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grpcClientProxy *naming_grpc.NamingGrpcProxy
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serviceInfoHolder *naming_cache.ServiceInfoHolder
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}
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func NewNamingProxyDelegate(clientCfg constant.ClientConfig, serverCfgs []constant.ServerConfig,
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httpAgent http_agent.IHttpAgent, serviceInfoHolder *naming_cache.ServiceInfoHolder) (naming_proxy.INamingProxy, error) {
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nacosServer, err := nacos_server.NewNacosServer(serverCfgs, clientCfg, httpAgent, clientCfg.TimeoutMs, clientCfg.Endpoint)
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if err != nil {
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return nil, err
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}
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httpClientProxy, err := naming_http.NewNamingHttpProxy(clientCfg, nacosServer, serviceInfoHolder)
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if err != nil {
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return nil, err
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}
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grpcClientProxy, err := naming_grpc.NewNamingGrpcProxy(clientCfg, nacosServer, serviceInfoHolder)
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if err != nil {
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return nil, err
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}
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return &NamingProxyDelegate{
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httpClientProxy: httpClientProxy,
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grpcClientProxy: grpcClientProxy,
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serviceInfoHolder: serviceInfoHolder,
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}, nil
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}
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func (proxy *NamingProxyDelegate) getExecuteClientProxy(instance model.Instance) (namingProxy naming_proxy.INamingProxy) {
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if instance.Ephemeral {
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namingProxy = proxy.grpcClientProxy
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} else {
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namingProxy = proxy.httpClientProxy
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}
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return namingProxy
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}
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func (proxy *NamingProxyDelegate) RegisterInstance(serviceName string, groupName string, instance model.Instance) (bool, error) {
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return proxy.getExecuteClientProxy(instance).RegisterInstance(serviceName, groupName, instance)
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}
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func (proxy *NamingProxyDelegate) DeregisterInstance(serviceName string, groupName string, instance model.Instance) (bool, error) {
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return proxy.getExecuteClientProxy(instance).DeregisterInstance(serviceName, groupName, instance)
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}
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func (proxy *NamingProxyDelegate) GetServiceList(pageNo uint32, pageSize uint32, groupName string, selector *model.ExpressionSelector) (model.ServiceList, error) {
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return proxy.grpcClientProxy.GetServiceList(pageNo, pageSize, groupName, selector)
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}
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func (proxy *NamingProxyDelegate) ServerHealthy() bool {
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return proxy.grpcClientProxy.ServerHealthy() || proxy.httpClientProxy.ServerHealthy()
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}
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func (proxy *NamingProxyDelegate) QueryInstancesOfService(serviceName, groupName, clusters string, udpPort int, healthyOnly bool) (*model.Service, error) {
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return proxy.grpcClientProxy.QueryInstancesOfService(serviceName, groupName, clusters, udpPort, healthyOnly)
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}
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func (proxy *NamingProxyDelegate) Subscribe(serviceName, groupName string, clusters string) (model.Service, error) {
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serviceNameWithGroup := util.GetServiceCacheKey(util.GetGroupName(serviceName, groupName), clusters)
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serviceInfo, ok := proxy.serviceInfoHolder.ServiceInfoMap.Get(serviceNameWithGroup)
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if !ok {
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result, err := proxy.grpcClientProxy.Subscribe(serviceName, groupName, clusters)
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if err != nil {
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return model.Service{}, err
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}
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serviceInfo = result
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}
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service := serviceInfo.(model.Service)
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proxy.serviceInfoHolder.ProcessService(&service)
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return service, nil
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}
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func (proxy *NamingProxyDelegate) Unsubscribe(serviceName, groupName, clusters string) error {
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proxy.serviceInfoHolder.StopUpdateIfContain(util.GetGroupName(serviceName, groupName), clusters)
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return proxy.grpcClientProxy.Unsubscribe(serviceName, groupName, clusters)
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}
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func (proxy *NamingProxyDelegate) CloseClient() {
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proxy.grpcClientProxy.CloseClient()
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}
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