mirror of
https://github.com/Luzifer/mqttcli.git
synced 2024-11-08 14:50:11 +00:00
Initial version
Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
commit
ddf29ffadb
GPG key ID:
DC2729FDD34BE99E
5 changed files with 241 additions and 0 deletions
2
.gitignore
vendored
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2
.gitignore
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@ -0,0 +1,2 @@
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.env
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mqttcli
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11
go.mod
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11
go.mod
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module github.com/Luzifer/mqttcli
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go 1.12
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require (
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github.com/Luzifer/rconfig/v2 v2.2.1
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github.com/eclipse/paho.mqtt.golang v1.2.0
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github.com/gofrs/uuid v3.2.0+incompatible
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github.com/sirupsen/logrus v1.4.2
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golang.org/x/net v0.0.0-20190724013045-ca1201d0de80 // indirect
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)
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27
go.sum
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27
go.sum
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@ -0,0 +1,27 @@
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github.com/Luzifer/rconfig/v2 v2.2.1 h1:zcDdLQlnlzwcBJ8E0WFzOkQE1pCMn3EbX0dFYkeTczg=
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github.com/Luzifer/rconfig/v2 v2.2.1/go.mod h1:OKIX0/JRZrPJ/ZXXWklQEFXA6tBfWaljZbW37w+sqBw=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/eclipse/paho.mqtt.golang v1.2.0 h1:1F8mhG9+aO5/xpdtFkW4SxOJB67ukuDC3t2y2qayIX0=
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github.com/eclipse/paho.mqtt.golang v1.2.0/go.mod h1:H9keYFcgq3Qr5OUJm/JZI/i6U7joQ8SYLhZwfeOo6Ts=
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github.com/gofrs/uuid v3.2.0+incompatible h1:y12jRkkFxsd7GpqdSZ+/KCs/fJbqpEXSGd4+jfEaewE=
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github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
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github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
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github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
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github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
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github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
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github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/net v0.0.0-20190724013045-ca1201d0de80 h1:Ao/3l156eZf2AW5wK8a7/smtodRU+gha3+BeqJ69lRk=
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golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/pU5OE2C0WrNTOYK1Uuc=
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golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/validator.v2 v2.0.0-20180514200540-135c24b11c19 h1:WB265cn5OpO+hK3pikC9hpP1zI/KTwmyMFKloW9eOVc=
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gopkg.in/validator.v2 v2.0.0-20180514200540-135c24b11c19/go.mod h1:o4V0GXN9/CAmCsvJ0oXYZvrZOe7syiDZSN1GWGZTGzc=
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gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
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gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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100
main.go
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100
main.go
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package main
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import (
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"fmt"
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"os"
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"time"
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mqtt "github.com/eclipse/paho.mqtt.golang"
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"github.com/gofrs/uuid"
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log "github.com/sirupsen/logrus"
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"github.com/Luzifer/rconfig/v2"
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)
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var (
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cfg = struct {
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LogLevel string `flag:"log-level" default:"info" description:"Log level (debug, info, warn, error, fatal)"`
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Message string `flag:"message,m" default:"" description:""`
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MQTTBroker string `flag:"mqtt-broker,b" default:"tcp://localhost:1883" description:"Broker URI to connect to scheme://host:port (scheme is one of 'tcp', 'ssl', or 'ws')"`
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MQTTClientID string `flag:"mqtt-client-id" vardefault:"client-id" description:"Client ID to use when connecting, must be unique"`
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MQTTUser string `flag:"mqtt-user,u" default:"" description:"Username to identify against the broker" validate:"nonzero"`
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MQTTPass string `flag:"mqtt-pass,p" default:"" description:"Password to identify against the broker" validate:"nonzero"`
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MQTTTimeout time.Duration `flag:"mqtt-timeout" default:"10s" description:"How long to wait for the client to complete operations"`
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OutputFormat string `flag:"output-format,o" default:"log" description:"How to ouptut received messages (One of 'log', 'csv', 'jsonl')"`
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QOS int `flag:"qos" default:"1" description:"QOS to use (0 - Only Once, 1 - At Least Once, 2 - Only Once)"`
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Retain bool `flag:"retain" default:"false" description:"Retain message on topic"`
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Topics []string `flag:"topic,t" default:"" description:"Topic to subscribe / publish to"`
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VersionAndExit bool `flag:"version" default:"false" description:"Prints current version and exits"`
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}{}
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version = "dev"
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)
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func init() {
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rconfig.AutoEnv(true)
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rconfig.SetVariableDefaults(map[string]string{
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"client-id": uuid.Must(uuid.NewV4()).String(),
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})
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if err := rconfig.ParseAndValidate(&cfg); err != nil {
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log.Fatalf("Unable to parse commandline options: %s", err)
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}
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if cfg.VersionAndExit {
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fmt.Printf("mqttcli %s\n", version)
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os.Exit(0)
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}
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if l, err := log.ParseLevel(cfg.LogLevel); err != nil {
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log.WithError(err).Fatal("Unable to parse log level")
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} else {
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log.SetLevel(l)
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}
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}
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func main() {
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var cmd string
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if len(rconfig.Args()) > 1 {
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cmd = rconfig.Args()[1]
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}
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if len(cfg.Topics) == 0 || (len(cfg.Topics) == 1 && cfg.Topics[0] == "") {
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log.Fatal("No topic(s) specified")
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}
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client := mqtt.NewClient(
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mqtt.NewClientOptions().
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AddBroker(cfg.MQTTBroker).
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SetUsername(cfg.MQTTUser).
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SetPassword(cfg.MQTTPass),
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)
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tok := client.Connect()
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if !tok.WaitTimeout(cfg.MQTTTimeout) {
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log.Fatal("Unable to connect within timeout")
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}
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if err := tok.Error(); err != nil {
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log.WithError(err).Fatal("Unable to connect to broker")
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}
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switch cmd {
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case "pub":
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if cfg.Message == "" {
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log.Fatal("Empty message on publish")
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}
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if err := publish(client); err != nil {
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log.WithError(err).Fatal("Failed to publish message")
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}
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case "sub":
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if err := subscribe(client); err != nil {
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log.WithError(err).Fatal("Failed to subscribe and listen")
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}
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default:
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log.Fatal("No command specified. Usage: mqttcli [opts] <pub|sub>")
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}
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}
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101
mqtt.go
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101
mqtt.go
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@ -0,0 +1,101 @@
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package main
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import (
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"encoding/json"
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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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log "github.com/sirupsen/logrus"
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)
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func publish(client mqtt.Client) error {
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for _, t := range cfg.Topics {
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tok := client.Publish(t, byte(cfg.QOS), cfg.Retain, cfg.Message)
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logger := log.WithField("topic", t)
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if !tok.WaitTimeout(cfg.MQTTTimeout) {
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logger.Error("Unable to publish message within timeout")
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}
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if err := tok.Error(); err != nil {
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logger.WithError(err).Fatal("Unable to publish message")
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}
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logger.Info("Message published")
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}
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return nil
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}
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func subscribe(client mqtt.Client) error {
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var (
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callback mqtt.MessageHandler
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topics = map[string]byte{}
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)
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for _, t := range cfg.Topics {
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topics[t] = byte(cfg.QOS)
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}
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switch cfg.OutputFormat {
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case "log":
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callback = subscribeCallbackLog
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case "csv":
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fmt.Println("Topic,QOS,Retained,Message")
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callback = subscribeCallbackCSV
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case "jsonl":
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callback = subscribeCallbackJSONL
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default:
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log.WithField("format", cfg.OutputFormat).Fatal("Invalid output format specified")
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}
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tok := client.SubscribeMultiple(topics, callback)
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if err := tok.Error(); err != nil {
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log.WithError(err).Fatal("Unable to subscribe topics")
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}
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for {
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select {}
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}
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}
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func subscribeCallbackLog(client mqtt.Client, msg mqtt.Message) {
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log.WithFields(log.Fields{
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"topic": msg.Topic(),
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"qos": msg.Qos(),
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"retained": msg.Retained(),
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"message": string(msg.Payload()),
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}).Info("Message received")
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}
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func subscribeCallbackCSV(client mqtt.Client, msg mqtt.Message) {
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fmt.Printf("%s,%d,%v,%q",
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msg.Topic(),
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msg.Qos(),
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msg.Retained(),
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string(msg.Payload()),
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)
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}
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func subscribeCallbackJSONL(client mqtt.Client, msg mqtt.Message) {
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jsonMessage := struct {
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Topic string `json:"topic"`
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QOS byte `json:"qos"`
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Retained bool `json:"retained"`
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Message string `json:"message"`
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}{
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msg.Topic(),
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msg.Qos(),
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msg.Retained(),
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string(msg.Payload()),
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}
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if err := json.NewEncoder(os.Stdout).Encode(jsonMessage); err != nil {
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log.WithError(err).Fatal("Unable to marshal message into jsonl")
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}
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}
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