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MQTT last will with uptime

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geronet1 2022-10-15 21:20:20 +02:00
parent 7f4417716d
commit ba91e905ce
2 changed files with 10 additions and 4 deletions
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10
tools/esp8266/mqtt.h
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@ -92,11 +92,15 @@ class mqtt {
// da ein MQTT_CONNECTION_LOST -3 die Werte zerstört hat.
mClient->setServer(mCfg->broker, mCfg->port);
mClient->setBufferSize(MQTT_MAX_PACKET_SIZE);
char lwt[MQTT_TOPIC_LEN + 7 ]; // "/uptime" --> + 7 byte
snprintf(lwt, MQTT_TOPIC_LEN + 7, "%s/uptime", mCfg->topic);
if((strlen(mCfg->user) > 0) && (strlen(mCfg->pwd) > 0))
resub = mClient->connect(mDevName, mCfg->user, mCfg->pwd);
resub = mClient->connect(mDevName, mCfg->user, mCfg->pwd, lwt, 0, false, "offline");
else
resub = mClient->connect(mDevName);
// ein Subscribe ist nur nach einem connect notwendig
resub = mClient->connect(mDevName, lwt, 0, false, "offline");
// ein Subscribe ist nur nach einem connect notwendig
if(resub) {
char topic[MQTT_TOPIC_LEN + 13 ]; // "/devcontrol/#" --> + 6 byte
// ToDo: "/devcontrol/#" is hardcoded