func StartMQTTSender(MQTTServerAddress string, MQTTSendChan chan *lib.PostMessage, channel_name string) chan bool {
close_chan := make(chan bool)
go func() {
defer func() {
if err := recover(); err != nil {
utils.Log.Println(err)
debug.PrintStack()
}
}()
var post_message *lib.PostMessage
var cli *client.Client
var err error
cli, err = ConnectToMQTTServer(MQTTServerAddress)
if err != nil {
utils.Log.Println("Connect to MQTT Server failed:", err)
return
}
for {
select {
case <-close_chan:
close_chan <- true
utils.Log.Printf("Quit MQTT Sender worker.")
return
case post_message = <-MQTTSendChan:
message_json_buffer, err := ffjson.Marshal(post_message)
if err != nil {
utils.Log.Println()
}
err = cli.Publish(&client.PublishOptions{
QoS: mqtt.QoS0,
TopicName: []byte(channel_name),
Message: []byte(message_json_buffer),
})
if err != nil {
utils.Log.Println("Publish to MQTT Failed:", err)
utils.Log.Println("Try to connect MQTT Server.")
cli, err = ConnectToMQTTServer(MQTTServerAddress)
if err != nil {
utils.Log.Println("Connect to MQTT Server failed:", err)
}
}
utils.Log.Printf("Send message to MQTT Server: %s, Length: %d\n", MQTTServerAddress, len(message_json_buffer))
ffjson.Pool(message_json_buffer)
}
}
}()
return close_chan
}
