+= sender parameters

prrt/sender.c

@@ -14,6 +14,8 @@ static char doc[] = "PRRT Sender";
 static struct argp_option options[] = {
         {"target",              't', "HOST",       0,  "Target Host" },
         {"port",                'p', "PORT",       0,  "Target Port" },
+        {"delay",               'd', "DELAY",      0,  "Target Delay"},
+        {"ipt",                 'i', "IPT",        0,  "Inter-Packet-Time"},
         {"local port",          'l', "PORT",       0,  "Local Port" },
         {"rounds",              'r', "ROUNDS",     0,  "Rounds" },
         {"output",              'o', "FILE",       0,  "Output to FILE instead of standard output" },
@@ -26,6 +28,8 @@ typedef struct arguments
 {
     char* target;
     uint16_t port;
+    uint32_t delay;
+    uint32_t ipt;
     uint16_t local_port;
     uint16_t rounds;
     char* outfile;
@@ -48,6 +52,12 @@ static error_t parse_opt (int key, char *arg, struct argp_state *state)
         case 'p':
             arguments->port = (uint16_t) strtol(arg, &pEnd, 10);
             break;
+        case 'd':
+            arguments->delay = (uint32_t) strtol(arg, &pEnd, 10);
+            break;
+        case 'i':
+            arguments->ipt = (uint32_t) strtol(arg, &pEnd, 10);
+            break;
         case 'l':
             arguments->local_port = (uint16_t) strtol(arg, &pEnd, 10);
             break;
@@ -86,6 +96,8 @@ int main(int argc, char **argv) {
     struct arguments arguments = {
         .target = "127.0.0.1",
         .port = 5000,
+        .delay = 10 * 1000 * 1000,
+        .ipt = 100,
         .local_port = 6000,
         .rounds = 127,
         .outfile = "-",
@@ -111,7 +123,7 @@ int main(int argc, char **argv) {
     #endif
 
 
-    s = PrrtSocket_create(1400, 10 * 1000 * 1000);
+    s = PrrtSocket_create(1400, arguments.delay);
     check(s != NULL, "Socket create failed.");
 
     if(strcmp(arguments.hardwarestamping_interface, "-") != 0) {
@@ -145,7 +157,9 @@ int main(int argc, char **argv) {
 
         j++;
         // Send every 100us, as this is a sensible packet interval.
-        usleep_nano(100);
+        if (arguments.ipt != 0) {
+          usleep_nano(arguments.ipt);
+        }
     }
     sleep_nano(10);