Fix float error. Smaller payloads.

prrt/proto/processes/dataTransmitter.c

@@ -104,7 +104,7 @@ static bool send_packet(PrrtSocket *sock_ptr, PrrtPacket *packet) {
     }
 
     prrtTimestamp_t now = PrrtClock_get_current_time_us();
-    if (!sock_ptr->pacingEnabled || BBR_getPacingRate(sock_ptr->receiver->bbr) != 0) {
+    if (sock_ptr->pacingEnabled && BBR_getPacingRate(sock_ptr->receiver->bbr) != 0) {
         debug(DEBUG_DATATRANSMITTER, "Payload: %u, PacingRate: %u, Pacing Time: %u", packet->payloadLength, BBR_getPacingRate(sock_ptr->receiver->bbr), packet->payloadLength / BBR_getPacingRate(sock_ptr->receiver->bbr));
         sock_ptr->nextSendTime = now + (packet->payloadLength / BBR_getPacingRate(sock_ptr->receiver->bbr));
     }

prrt/time-receiver.c

@@ -128,7 +128,7 @@ int main(int argc, char **argv) {
 
 		memcpy(&old, buffer, sizeof(struct timespec));
 
-		fprintf(stderr, "%u: %lli\n", i, timedelta(&old, &now));
+		fprintf(stderr, "%u: %lli\n", i, timedelta(&now, &old));
 
         i++;
     }

prrt/time-sender.c

@@ -125,7 +125,7 @@ int main(int argc, char **argv) {
     XlapTimestampTableInstall(s, ts_redundancy_packet, tstable_redundancy);
 
     uint32_t j = 0;
-    char buf[MAX_PAYLOAD_LENGTH - PRRT_PACKET_GENERAL_HEADER_SIZE - PRRT_PACKET_DATA_HEADER_SIZE - 20];
+    char buf[1500];
 	memset(buf, 0x0, sizeof(buf));
 	assert(sizeof(buf) >= sizeof(struct timespec));
     while (j < rounds) {