Allow UDP delay to be configured on the command line

genreport.c

@@ -129,6 +129,7 @@ static int json = 0;
 static int unique = 0;
 static int useglue = 0;
 static int glueonly = 0;
+static int udpdelay = 113000;
 
 static const char *jrec = "{ \"data\": [ ";
 static const char *jfin = "{ }";
@@ -1933,7 +1934,8 @@ check(char *zone, char *ns, char *address, struct summary *parent, int port) {
 		dotest(item, usec);
 		if (serial)
 			break;
-		usec += 113000;
+		if (!opts[item->test].tcp)
+			usec += udpdelay;
 	}
 	report(summary);	/* Release reference. */
 }
@@ -3897,7 +3899,7 @@ main(int argc, char **argv) {
 	int on = 1;
 	int port = 53;
 
-	while ((n = getopt(argc, argv, "46abBcdDeEfgGi:I:jLm:nopP:r:RstTu")) != -1) {
+	while ((n = getopt(argc, argv, "46abBcdDeEfgGi:I:jLm:nopP:r:RstTuU:")) != -1) {
 		switch (n) {
 		case '4': ipv4only = 1; ipv6only = 0; break;
 		case '6': ipv6only = 1; ipv4only = 0; break;
@@ -3967,6 +3969,13 @@ main(int argc, char **argv) {
 			}
 			exit (0);
 		case 'u': unique = 1; break;
+		case 'U':
+			{
+				int tmp = atoi(optarg);
+				if (tmp >= 0 && tmp <= 1000) {
+					udpdelay = tmp * 1000;
+				}
+			}
 		default:
 			printf("usage: genreport [-46abBcdeEfgGjLnopstT] "
 			       "[-i test] [-I test] [-m maxoutstanding] "
@@ -4000,6 +4009,7 @@ main(int argc, char **argv) {
 			printf("\t-t: type tests (serial)\n");
 			printf("\t-T: print type list for type test (-t)\n");
 			printf("\t-u: unique IP address\n");
+			printf("\t-U: UDP delay [0..1000]\n");
 			exit(0);
 		}
 	}

genreport.md

@@ -120,6 +120,9 @@ with EDNS, FULL or COMM tests you need to specify them after the -t switch.
 **-u**
 : only test a IP address once.
 
+**-U**
+: delay between UDP requests to a server in milliseconds (default: 113, range: [0..1000]).
+
 # EXAMPLES
 
 ## Test all servers for a zone