45 lines
891 B
Go
45 lines
891 B
Go
//
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// Pathological publisher
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// Sends out 1,000 topics and then one random update per second
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//
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package main
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import (
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zmq "github.com/pebbe/zmq4"
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"fmt"
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"math/rand"
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"os"
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"time"
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)
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func main() {
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publisher, _ := zmq.NewSocket(zmq.PUB)
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if len(os.Args) == 2 {
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publisher.Connect(os.Args[1])
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} else {
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publisher.Bind("tcp://*:5556")
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}
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// Ensure subscriber connection has time to complete
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time.Sleep(time.Second)
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// Send out all 1,000 topic messages
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for topic_nbr := 0; topic_nbr < 1000; topic_nbr++ {
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_, err := publisher.SendMessage(fmt.Sprintf("%03d", topic_nbr), "Save Roger")
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if err != nil {
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fmt.Println(err)
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}
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}
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// Send one random update per second
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rand.Seed(time.Now().UnixNano())
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for {
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time.Sleep(time.Second)
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_, err := publisher.SendMessage(fmt.Sprintf("%03d", rand.Intn(1000)), "Off with his head!")
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if err != nil {
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fmt.Println(err)
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}
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}
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}
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