53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
package mqtt
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import (
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mqttLib "github.com/eclipse/paho.mqtt.golang"
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)
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type connection struct {
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conf *Config
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client mqttLib.Client
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}
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func newConnection(conf *Config) *connection {
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conn := &connection{
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conf: conf,
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}
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opts := mqttLib.NewClientOptions()
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broker := conn.conf.Host + ":" + conn.conf.Port
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opts.AddBroker(broker)
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opts.SetClientID(conn.conf.ClientID)
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opts.SetUsername(conn.conf.Username)
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opts.SetPassword(conn.conf.Password)
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opts.SetCleanSession(conn.conf.CleanSession)
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opts.SetAutoReconnect(conn.conf.AutoReconnect)
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opts.SetKeepAlive(conn.conf.KeepAlive)
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opts.SetMessageChannelDepth(conn.conf.MsgChanDept)
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if conn.conf.AutoReconnect {
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opts.SetResumeSubs(true)
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}
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conn.client = mqttLib.NewClient(opts)
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return conn
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}
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func (conn *connection) connect() error {
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if token := conn.client.Connect(); token.Wait() && token.Error() != nil {
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return token.Error()
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}
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return nil
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}
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func (conn *connection) publish(topic string, qos byte, payload []byte, retain bool) mqttLib.Token {
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return conn.client.Publish(topic, qos, retain, payload)
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}
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func (conn *connection) subscribe(topic string, qos byte, callback func(mqttClient mqttLib.Client, message mqttLib.Message)) mqttLib.Token {
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return conn.client.Subscribe(topic, qos, callback)
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}
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