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refactor client mq connection logic

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This commit is contained in:
Matthew R. Kasun 2022-07-08 09:46:21 -04:00
parent 823da7278a
commit bda6f4e2c6
1 changed files with 21 additions and 14 deletions
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35
netclient/functions/daemon.go
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@ -248,22 +248,29 @@ func setupMQTT(cfg *config.ClientConfig, publish bool) (mqtt.Client, error) {
logger.Log(0, "detected broker connection lost for", cfg.Server.Server)
})
client := mqtt.NewClient(opts)
for token := client.Connect(); !token.WaitTimeout(30*time.Second) || token.Error() != nil; token = client.Connect() {
logger.Log(0, "unable to connect to broker, retrying ...")
var err error
if token.Error() == nil {
err = errors.New("connect timeout")
} else {
err = token.Error()
}
if err := checkBroker(cfg.Server.Server, cfg.Server.MQPort); err != nil {
return nil, err
}
logger.Log(0, "could not connect to broker", cfg.Server.Server, err.Error())
if strings.Contains(err.Error(), "connectex") || strings.Contains(err.Error(), "connect timeout") {
reRegisterWithServer(cfg)
for count := 0; count < 3; count++ {
if token := client.Connect(); !token.WaitTimeout(30*time.Second) || token.Error() != nil {
logger.Log(0, "unable to connect to broker, retrying ...")
var err error = nil
if token.Error() == nil {
err = errors.New("connect timeout")
} else {
err = token.Error()
}
if err != nil {
err = checkBroker(cfg.Server.Server, cfg.Server.MQPort)
}
logger.Log(0, "could not connect to broker", cfg.Server.Server, err.Error())
}
}
if err != nil {
reRegisterWithServer(cfg)
}
//try after re-registering
if token := client.Connect(); !token.WaitTimeout(30*time.Second) || token.Error() != nil {
return client, errors.New("unable to connect to broker")
}
return client, nil
}