publishing results

cube/User/Src/mqttComm.c

@@ -13,7 +13,7 @@
 #include <stdbool.h>
 #include <string.h>
 #include <stdio.h>
-
+#include <stdarg.h>
 
 extern const uint8_t MQTT_SOCK;
 
@@ -133,10 +133,26 @@ void mqttCommInit() {
 }
 
 void mqttPublish(char *topic, char *message) {
-    bool res = publish(&mqttClient, topic, message, strlen(message), false);
+    bool res = false;
+    if (isNetworkAvailable()) {
+        res = publish(&mqttClient, topic, message, strlen(message), false);
+    }
     if (res) {
         coloredMsg(LOG_GREEN, false, "mqp: %s -> %s successfully published", message, topic);
     } else {
         coloredMsg(LOG_RED, true, "mqp: %s -> %s failed to publish", message, topic);
     }
-}
+}
+
+void mqttPublishf(char *topic, char *messageFormat, ...) {
+    va_list vl;
+    va_start(vl, messageFormat);
+    char buf[2048];
+    int res = vsnprintf(buf, sizeof(buf), messageFormat, vl);
+    va_end(vl);
+    if (res < sizeof(buf)) {
+        mqttPublish(topic, buf);
+    } else {
+        coloredMsg(LOG_RED, true, "mqc mpf buffer overflow, truncated message not published");
+    }
+}