| /* |
| * 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" |
| "fmt" |
| "os" |
| "os/signal" |
| "syscall" |
| "time" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-samples/generic/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/logger" |
| _ "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 ( |
| appName = "UserConsumer" |
| referenceConfig = config.ReferenceConfig{ |
| InterfaceName: "org.apache.dubbo.UserProvider", |
| Cluster: "failover", |
| Registry: "demoZk", |
| Protocol: dubbo.DUBBO, |
| Generic: true, |
| } |
| ) |
| |
| func init() { |
| referenceConfig.GenericLoad(appName) //appName is the unique identification of RPCService |
| time.Sleep(3 * time.Second) |
| } |
| |
| // need to setup environment variable "CONF_CONSUMER_FILE_PATH" to "conf/client.yml" before run |
| func main() { |
| gxlog.CInfo("\n\ncall getUser") |
| callGetUser() |
| gxlog.CInfo("\n\ncall queryUser") |
| callQueryUser() |
| initSignal() |
| } |
| |
| func initSignal() { |
| signals := make(chan os.Signal, 1) |
| // It is not possible to block SIGKILL or syscall.SIGSTOP |
| signal.Notify(signals, os.Interrupt, os.Kill, syscall.SIGHUP, |
| syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT) |
| for { |
| sig := <-signals |
| logger.Infof("get signal %s", sig.String()) |
| switch sig { |
| case syscall.SIGHUP: |
| // reload() |
| default: |
| time.AfterFunc(10*time.Second, func() { |
| logger.Warnf("app exit now by force...") |
| os.Exit(1) |
| }) |
| |
| // The program exits normally or timeout forcibly exits. |
| fmt.Println("app exit now...") |
| return |
| } |
| } |
| } |
| |
| func callGetUser() { |
| gxlog.CInfo("\n\n\nstart to generic invoke") |
| resp, err := referenceConfig.GetRPCService().(*config.GenericService).Invoke( |
| context.TODO(), |
| []interface{}{ |
| "GetUser", |
| []string{"java.lang.String"}, |
| []interface{}{"A003"}, |
| }, |
| ) |
| if err != nil { |
| panic(err) |
| } |
| gxlog.CInfo("res: %+v\n", resp) |
| gxlog.CInfo("success!") |
| |
| } |
| func callQueryUser() { |
| gxlog.CInfo("\n\n\nstart to generic invoke") |
| user := pkg.User{ |
| ID: "3213", |
| Name: "panty", |
| Age: 25, |
| Time: time.Now(), |
| } |
| resp, err := referenceConfig.GetRPCService().(*config.GenericService).Invoke( |
| context.TODO(), |
| []interface{}{ |
| "queryUser", |
| []string{"org.apache.dubbo.User"}, |
| []interface{}{user}, |
| }, |
| ) |
| if err != nil { |
| panic(err) |
| } |
| gxlog.CInfo("res: %+v\n", resp) |
| gxlog.CInfo("success!") |
| |
| } |