mirror of https://github.com/tidwall/tile38.git
131 lines
4.0 KiB
Go
131 lines
4.0 KiB
Go
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/*
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* Copyright (c) 2013 IBM Corp.
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Seth Hoenig
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* Allan Stockdill-Mander
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* Mike Robertson
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*/
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package main
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import (
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"flag"
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"fmt"
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"os"
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MQTT "github.com/eclipse/paho.mqtt.golang"
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)
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/*
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Options:
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[-help] Display help
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[-a pub|sub] Action pub (publish) or sub (subscribe)
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[-m <message>] Payload to send
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[-n <number>] Number of messages to send or receive
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[-q 0|1|2] Quality of Service
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[-clean] CleanSession (true if -clean is present)
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[-id <clientid>] CliendID
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[-user <user>] User
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[-password <password>] Password
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[-broker <uri>] Broker URI
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[-topic <topic>] Topic
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[-store <path>] Store Directory
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*/
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func main() {
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topic := flag.String("topic", "", "The topic name to/from which to publish/subscribe")
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broker := flag.String("broker", "tcp://iot.eclipse.org:1883", "The broker URI. ex: tcp://10.10.1.1:1883")
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password := flag.String("password", "", "The password (optional)")
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user := flag.String("user", "", "The User (optional)")
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id := flag.String("id", "testgoid", "The ClientID (optional)")
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cleansess := flag.Bool("clean", false, "Set Clean Session (default false)")
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qos := flag.Int("qos", 0, "The Quality of Service 0,1,2 (default 0)")
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num := flag.Int("num", 1, "The number of messages to publish or subscribe (default 1)")
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payload := flag.String("message", "", "The message text to publish (default empty)")
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action := flag.String("action", "", "Action publish or subscribe (required)")
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store := flag.String("store", ":memory:", "The Store Directory (default use memory store)")
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flag.Parse()
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if *action != "pub" && *action != "sub" {
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fmt.Println("Invalid setting for -action, must be pub or sub")
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return
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}
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if *topic == "" {
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fmt.Println("Invalid setting for -topic, must not be empty")
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return
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}
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fmt.Printf("Sample Info:\n")
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fmt.Printf("\taction: %s\n", *action)
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fmt.Printf("\tbroker: %s\n", *broker)
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fmt.Printf("\tclientid: %s\n", *id)
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fmt.Printf("\tuser: %s\n", *user)
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fmt.Printf("\tpassword: %s\n", *password)
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fmt.Printf("\ttopic: %s\n", *topic)
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fmt.Printf("\tmessage: %s\n", *payload)
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fmt.Printf("\tqos: %d\n", *qos)
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fmt.Printf("\tcleansess: %v\n", *cleansess)
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fmt.Printf("\tnum: %d\n", *num)
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fmt.Printf("\tstore: %s\n", *store)
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opts := MQTT.NewClientOptions()
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opts.AddBroker(*broker)
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opts.SetClientID(*id)
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opts.SetUsername(*user)
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opts.SetPassword(*password)
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opts.SetCleanSession(*cleansess)
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if *store != ":memory:" {
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opts.SetStore(MQTT.NewFileStore(*store))
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}
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if *action == "pub" {
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client := MQTT.NewClient(opts)
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if token := client.Connect(); token.Wait() && token.Error() != nil {
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panic(token.Error())
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}
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fmt.Println("Sample Publisher Started")
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for i := 0; i < *num; i++ {
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fmt.Println("---- doing publish ----")
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token := client.Publish(*topic, byte(*qos), false, *payload)
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token.Wait()
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}
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client.Disconnect(250)
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fmt.Println("Sample Publisher Disconnected")
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} else {
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receiveCount := 0
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choke := make(chan [2]string)
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opts.SetDefaultPublishHandler(func(client MQTT.Client, msg MQTT.Message) {
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choke <- [2]string{msg.Topic(), string(msg.Payload())}
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})
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client := MQTT.NewClient(opts)
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if token := client.Connect(); token.Wait() && token.Error() != nil {
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panic(token.Error())
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}
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if token := client.Subscribe(*topic, byte(*qos), nil); token.Wait() && token.Error() != nil {
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fmt.Println(token.Error())
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os.Exit(1)
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}
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for receiveCount < *num {
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incoming := <-choke
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fmt.Printf("RECEIVED TOPIC: %s MESSAGE: %s\n", incoming[0], incoming[1])
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receiveCount++
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}
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client.Disconnect(250)
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fmt.Println("Sample Subscriber Disconnected")
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}
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}
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