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Mqtt: avoid crash when not configured

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This commit is contained in:
Mathieu Maret 2016-04-10 01:59:37 +02:00
parent beae8b335b
commit 4cb6516b75
1 changed files with 5 additions and 1 deletions
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6
WifiControlSensor/MQTT.ino
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@ -76,8 +76,9 @@ Adafruit_MQTT_Publish *MqttCreatePublisher(const char *fmt, ...){
bool MqttIsConfigured() { bool MqttIsConfigured() {
return isMqttConfigured; return isMqttConfigured;
} }
int MqttIsConnected() { int MqttIsConnected() {
return mqtt->connected(); return (mqtt != NULL) ? mqtt->connected() : 0;
} }
// Function to connect and reconnect as necessary to the MQTT server. // Function to connect and reconnect as necessary to the MQTT server.
@ -85,6 +86,9 @@ int MqttIsConnected() {
int MqttConnect() { int MqttConnect() {
int8_t ret; int8_t ret;
if(!isMqttConfigured)
return -1;
// Stop if already connected. // Stop if already connected.
if (mqtt->connected()) { if (mqtt->connected()) {
return 0; return 0;