loadtest.go

Documentation: cloud.google.com/go/pubsub/loadtest/cmd

     1  // Copyright 2017 Google LLC
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"flag"
    19  	"fmt"
    20  	"log"
    21  	"math/rand"
    22  	"net"
    23  	"strconv"
    24  
    25  	"cloud.google.com/go/pubsub/loadtest"
    26  	pb "cloud.google.com/go/pubsub/loadtest/pb"
    27  	"google.golang.org/grpc"
    28  )
    29  
    30  func main() {
    31  	port := flag.Uint("worker_port", 6000, "port to bind worker to")
    32  	role := flag.String("r", "", "role: pub/sub")
    33  	flag.Parse()
    34  
    35  	var lts pb.LoadtestWorkerServer
    36  	switch *role {
    37  	case "pub":
    38  		lts = &loadtest.PubServer{ID: strconv.Itoa(rand.Int())}
    39  	case "sub":
    40  		lts = &loadtest.SubServer{}
    41  	default:
    42  		log.Fatalf("unknown role: %q", *role)
    43  	}
    44  
    45  	serv := grpc.NewServer()
    46  	pb.RegisterLoadtestWorkerServer(serv, lts)
    47  
    48  	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
    49  	if err != nil {
    50  		log.Fatalf("failed to listen: %v", err)
    51  	}
    52  	serv.Serve(lis)
    53  }
    54
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