Follow-up to #19: Check args before connecting

to the cassandra data store.

CollectAgent/collectagent.cpp

@@ -99,26 +99,26 @@ int main(int argc, char* const argv[]) {
        */
       signal(SIGINT, sigHandler);
 
-      /*
-       * Allocate and initialize sensor data store.
-       */
-      mySensorDataStore = new SensorDataStore();
-
       /* Parse command line */
       char ret;
-	  host="localhost";
-      while ((ret=getopt(argc, argv, "h:"))!=EOF) {
+      host="localhost";
+      while ((ret=getopt(argc, argv, "h:?"))!=EOF) {
           switch(ret) {
-          case 'h':
-            host = optarg;
-            break;
-          case '?':
-          default:
-			usage();
-			exit(EXIT_FAILURE);
+              case 'h':
+                  host = optarg;
+                  break;
+              case '?':
+              default:
+                  usage();
+                  exit(EXIT_FAILURE);
           }
       }
 
+      /*
+       * Allocate and initialize sensor data store.
+       */
+      mySensorDataStore = new SensorDataStore();
+
       /*
        * Start the MQTT Message Server.
        */