| // Licensed to 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. Apache Software Foundation (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 grpc |
| |
| import ( |
| "context" |
| "crypto/rand" |
| "fmt" |
| "math/big" |
| "reflect" |
| "testing" |
| "time" |
| |
| "github.com/apache/skywalking-satellite/internal/pkg/log" |
| |
| common "skywalking.apache.org/repo/goapi/collect/common/v3" |
| agent "skywalking.apache.org/repo/goapi/collect/language/agent/v3" |
| |
| "google.golang.org/grpc" |
| |
| client "github.com/apache/skywalking-satellite/plugins/client/api" |
| |
| "github.com/apache/skywalking-satellite/internal/pkg/plugin" |
| receiver "github.com/apache/skywalking-satellite/plugins/receiver/api" |
| server "github.com/apache/skywalking-satellite/plugins/server/api" |
| grpc_server "github.com/apache/skywalking-satellite/plugins/server/grpc" |
| ) |
| |
| type JVMReportService struct { |
| receiveCount int |
| agent.UnimplementedJVMMetricReportServiceServer |
| } |
| |
| func (j *JVMReportService) Collect(_ context.Context, jvm *agent.JVMMetricCollection) (*common.Commands, error) { |
| j.receiveCount++ |
| return &common.Commands{}, nil |
| } |
| |
| func TestStaticServer(t *testing.T) { |
| serverCount := 2 |
| Init() |
| |
| // init all servers |
| servers, ports := initServers(serverCount, t) |
| receivers := make([]*JVMReportService, serverCount) |
| for inx, s := range servers { |
| reportService := &JVMReportService{receiveCount: 0} |
| receivers[inx] = reportService |
| agent.RegisterJVMMetricReportServiceServer(s.GetServer().(*grpc.Server), reportService) |
| |
| if err := s.Start(); err != nil { |
| t.Errorf("start client error: %v", err) |
| } |
| } |
| defer func() { |
| for _, s := range servers { |
| s.Close() |
| } |
| }() |
| |
| // init client |
| c := initClient(ports, t) |
| |
| // wait all channel being connected (connect by async) |
| time.Sleep(time.Second * 1) |
| |
| // send request |
| jvmClient := agent.NewJVMMetricReportServiceClient(c.GetConnectedClient().(*grpc.ClientConn)) |
| for inx := 0; inx < serverCount; inx++ { |
| if _, err := jvmClient.Collect(context.Background(), &agent.JVMMetricCollection{}); err != nil { |
| t.Errorf("send request error: %v", err) |
| } |
| } |
| |
| // check all receiver must have received data |
| for inx, receiver := range receivers { |
| if receiver.receiveCount <= 0 { |
| t.Errorf("check result failed, client index: %d", inx) |
| } |
| } |
| } |
| |
| func Init() { |
| log.Init(new(log.LoggerConfig)) |
| plugin.RegisterPluginCategory(reflect.TypeOf((*server.Server)(nil)).Elem()) |
| plugin.RegisterPluginCategory(reflect.TypeOf((*client.Client)(nil)).Elem()) |
| plugin.RegisterPluginCategory(reflect.TypeOf((*receiver.Receiver)(nil)).Elem()) |
| plugin.RegisterPlugin(new(grpc_server.Server)) |
| plugin.RegisterPlugin(new(Client)) |
| } |
| |
| func initServers(serverCount int, t *testing.T) (servers []server.Server, ports []int) { |
| for inx := 0; inx < serverCount; inx++ { |
| cfg := make(plugin.Config) |
| cfg[plugin.NameField] = grpc_server.Name |
| port := randomGrpcPort() |
| cfg["address"] = fmt.Sprintf(":%d", port) |
| q := server.GetServer(cfg) |
| if err := q.Prepare(); err != nil { |
| t.Fatalf("cannot perpare the grpc server: %v", err) |
| } |
| |
| servers = append(servers, q) |
| ports = append(ports, port) |
| } |
| |
| return servers, ports |
| } |
| |
| func randomGrpcPort() int { |
| b := new(big.Int).SetInt64(int64(65535 - 1000)) |
| i, err := rand.Int(rand.Reader, b) |
| if err != nil { |
| fmt.Printf("Can't generate random value: %v, %v", i, err) |
| return -1 |
| } |
| return int(i.Int64() + 1000) |
| } |
| |
| func initClient(ports []int, t *testing.T) client.Client { |
| cfg := make(plugin.Config) |
| cfg[plugin.NameField] = Name |
| serverList := "" |
| for inx := range ports { |
| if inx > 0 { |
| serverList += "," |
| } |
| serverList += fmt.Sprintf("%s%d", "0.0.0.0:", ports[inx]) |
| } |
| cfg["server_addr"] = serverList |
| q := client.GetClient(cfg) |
| if err := q.Prepare(); err != nil { |
| t.Errorf("prepare client error: %v", err) |
| } |
| if err := q.Start(); err != nil { |
| t.Errorf("start client error: %v", err) |
| } |
| return q |
| } |