| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package main |
| |
| import ( |
| "context" |
| "time" |
| ) |
| |
| import ( |
| "github.com/alibaba/sentinel-golang/api" |
| sentinelConf "github.com/alibaba/sentinel-golang/core/config" |
| "github.com/alibaba/sentinel-golang/core/flow" |
| hessian "github.com/apache/dubbo-go-hessian2" |
| "github.com/apache/dubbo-go-samples/helloworld/go-client/pkg" |
| "github.com/dubbogo/gost/log" |
| ) |
| |
| import ( |
| _ "github.com/apache/dubbo-go/cluster/cluster_impl" |
| _ "github.com/apache/dubbo-go/cluster/loadbalance" |
| _ "github.com/apache/dubbo-go/common/proxy/proxy_factory" |
| "github.com/apache/dubbo-go/config" |
| _ "github.com/apache/dubbo-go/filter/filter_impl" |
| _ "github.com/apache/dubbo-go/protocol/dubbo" |
| _ "github.com/apache/dubbo-go/registry/protocol" |
| _ "github.com/apache/dubbo-go/registry/zookeeper" |
| ) |
| |
| var userProvider = new(pkg.UserProvider) |
| |
| func init() { |
| config.SetConsumerService(userProvider) |
| hessian.RegisterPOJO(&pkg.User{}) |
| } |
| |
| // need to setup environment variable "CONF_CONSUMER_FILE_PATH" to "conf/client.yml" before run |
| func main() { |
| hessian.RegisterPOJO(&pkg.User{}) |
| config.Load() |
| time.Sleep(3 * time.Second) |
| |
| if err := initSentinel(); err != nil { |
| panic(err) |
| } |
| _, err := flow.LoadRules([]*flow.Rule{ |
| { |
| // protocol:consumer:interfaceName:group:version:method |
| Resource: "dubbo:consumer:org.apache.dubbo.UserProvider:::GetUser()", |
| TokenCalculateStrategy: flow.Direct, |
| ControlBehavior: flow.Reject, |
| Threshold: 1, |
| StatIntervalInMs: 1000, |
| }, |
| }) |
| if err != nil { |
| panic(err) |
| } |
| |
| gxlog.CInfo("\n\n\nstart to test sentinel filter") |
| for i := 0; i <= 5; i++ { |
| user := &pkg.User{} |
| err = userProvider.GetUser(context.TODO(), []interface{}{"A001"}, user) |
| if err != nil { |
| gxlog.CError("error: %v\n", err) |
| continue |
| } |
| gxlog.CInfo("response result: %v\n", user) |
| } |
| |
| } |
| |
| func initSentinel() error { |
| // custom changes configs |
| conf := sentinelConf.NewDefaultConfig() |
| return api.InitWithConfig(conf) |
| } |