[Aggregator] Limit the verbose level to a maximum

For now the maximum verbose level is 4, so it is best for the user to
avoid displaying a verbose level higher than that in the configuration.

TODO.t2t

@@ -81,8 +81,6 @@ Work to do in OwlPS
 
 - Option to overwrite the output file (ask for a confirmation!).
 
-- Test for the maximum verbose level.
-
 - Outputs should include all the timestamps
 
   The CSV output file and the socket should include the capture

owlps-aggregator/owlps-aggregator.h

@@ -43,6 +43,7 @@
 #define VERBOSE_INFO cfg_getint(cfg, "verbose") >= 2
 #define VERBOSE_CHATTERBOX cfg_getint(cfg, "verbose") >= 3
 #define VERBOSE_REQUESTS cfg_getint(cfg, "verbose") >= 4
+#define MAX_VERBOSE_LEVEL 4
 
 
 /* Linked list storing data of each request */

owlps-aggregator/owlps-aggregatord.c

@@ -453,9 +453,11 @@ int parse_command_line(const int argc, char *const *argv)
                     " failing back to the default value.\n") ;
           break ;
         case 'v' :
-          // Increment the verbose level
-          cfg_setint(cfg, "verbose",
-                     cfg_getint(cfg, "verbose") + 1) ;
+          { // Increment the verbose level if the maximum is not reached
+            long vlevel = cfg_getint(cfg, "verbose") ;
+            if (vlevel < MAX_VERBOSE_LEVEL)
+              cfg_setint(cfg, "verbose", vlevel + 1) ;
+          }
           break ;
         default :
           print_usage() ;