/
main.go
129 lines (115 loc) · 2.91 KB
/
main.go
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package main
import (
"fmt"
"log"
"net/url"
"os"
"strconv"
"strings"
MQTT "git.eclipse.org/gitroot/paho/org.eclipse.paho.mqtt.golang.git"
"github.com/aun-signage/aun-receiver/irc"
"github.com/aun-signage/aun-receiver/twitter"
)
func clientId() string {
pid := os.Getpid()
hostname, err := os.Hostname()
if err != nil {
return fmt.Sprintf("%d", pid)
}
return fmt.Sprintf("%s.%d", hostname, pid)
}
func mqttClient(mqttUrl string) (*MQTT.MqttClient, error) {
opts := MQTT.NewClientOptions()
opts.AddBroker(mqttUrl)
opts.SetCleanSession(true)
opts.SetClientId(clientId())
opts.SetOnConnectionLost(func(client *MQTT.MqttClient, reason error) {
log.Fatal("MQTT CONNECTION LOST", reason) // TODO reconnect
})
parsed, err := url.Parse(mqttUrl)
if err != nil {
return nil, err
}
if user := parsed.User; user != nil {
if username := user.Username(); username != "" {
opts.SetUsername(username)
}
if password, set := user.Password(); set {
opts.SetPassword(password)
}
}
client := MQTT.NewClient(opts)
_, err = client.Start()
if err != nil {
return nil, err
}
return client, nil
}
type MqttMessage struct {
}
func main() {
mqttUrl := os.Getenv("MQTT_URL")
if mqttUrl == "" {
log.Fatal("You must specify MQTT_URL environment variable")
}
client, err := mqttClient(mqttUrl)
if err != nil {
log.Fatal(err)
}
chTweet := make(chan string)
twitterAuth := os.Getenv("TWITTER_AUTH")
twitterQuery := os.Getenv("TWITTER_QUERY")
if twitterAuth != "" && twitterQuery != "" {
twitterAuthComponents := strings.SplitN(twitterAuth, ":", 4)
if len(twitterAuthComponents) != 4 {
log.Fatal("You must specify TWITTER_AUTH in [Consumer key]:[Consumer secret]:[Access token]:[Access token secret] format")
}
log.Println("Tracking", twitterQuery)
go func() {
err = twitter.Track(
twitterAuthComponents[0],
twitterAuthComponents[1],
twitterAuthComponents[2],
twitterAuthComponents[3],
twitterQuery,
chTweet,
)
if err != nil {
log.Fatal(err)
}
}()
} else {
log.Println("Twitter receiver not configured. You need to specify TWITTER_AUTH and TWITTER_QUERY.")
}
chIrc := make(chan string)
ircServer := os.Getenv("IRC_SERVER")
ircPort := os.Getenv("IRC_PORT")
ircNick := os.Getenv("IRC_NICK")
ircChannels := os.Getenv("IRC_CHANNELS")
if ircServer != "" && ircPort != "" && ircNick != "" && ircChannels != "" {
port, err := strconv.Atoi(ircPort)
if err != nil {
log.Fatal(err)
}
channels := strings.Split(ircChannels, ",")
irc.Receive(
ircServer,
port,
ircNick,
channels,
chIrc,
)
} else {
log.Println("IRC receiver not configured. You need to specify IRC_SERVER, IRC_PORT, IRC_NICK and IRC_CHANNELS.")
}
for {
select {
case buf := <-chTweet:
log.Println(buf)
client.Publish(MQTT.QOS_ZERO, "social-stream/tweet", buf)
case buf := <-chIrc:
log.Println(buf)
client.Publish(MQTT.QOS_ZERO, "social-stream/irc", buf)
}
}
}