QueuedPublishEventsSpark

gistfile1.cpp

char eventMessages[10][65]; // 10 messages of a max 65 char length

char eventMessage[65];  // A buffer for outgoing publish events

int queueIndex = -1;    // -1 = nothing to send, 0+ = a message is queued



// In your main loop();

// Your code here

// Step 1 - Build your publish string
sprintf(eventMessage, "The temp outside is %d C", tempValue);

// Step 2 - Attempt to send it
if(Spark.publish('eventName', eventMessage) != true)
{
    // Step 3 - Queue it
    
    if((queueIndex+1) >= 10)
    {
        // We've run our of queue spots. What to do now?
    }
    else
    {
        queueIndex++;
        strncpy(eventMessages[queueIndex], eventMessage, 65);
        eventMessages[queueIndex][64] = '\0';   // Prevent possible overflow condition
    }
}
delay(1000);

// Step 4 - Send out the queue
while(queueIndex >= 0)
{
    if(Spark.publish('queuedEventName', eventMessage[queueIndex]) == true)
    {
        queueIndex--;   // Decrement the queue counter
    }
    delay(1000);    // Wait a second so we don't exceed the publish limit
}