Changed command-line input params

Author: venkatarun95

receiver.cc

@@ -1,5 +1,6 @@
 #include <cassert>
 #include <chrono>
+#include <cstdlib>
 #include <iostream>
 #include <mutex>
 #include <string.h>
@@ -93,15 +94,13 @@ void echo_packets(UDPSocket &sender_socket) {
 	}
 }
 
-int main(int argc __attribute((unused)), char* argv[] __attribute((unused))) {
-	// if (argc != 2) {
-	// 	cout << "Please specify the IP address of the NAT server" << endl;
-	// 	return 0;
-	// }
-	//string nat_ip_addr = argv[1];
+int main(int argc, char* argv[]) {
+	int port = 8888;
+	if (argc == 2)
+		port = atoi(argv[1]);
 
 	UDPSocket sender_socket;
-	sender_socket.bindsocket(8888);
+	sender_socket.bindsocket(port);
 
 	//thread nat_thread(punch_NAT, nat_ip_addr, ref(sender_socket));
 	echo_packets(sender_socket);

sender.cc

@@ -105,7 +105,7 @@ int main( int argc, char *argv[] ) {
 	}
 
 	if ( serverip == "" ) {
-		fprintf( stderr, "Usage: sender serverip=(ipaddr) [if=(ratname)] [offduration=(time in ms)] [onduration=(time in ms)] [cctype=remy|kernel|tcp|markovian] [delta_conf=(for MarkovianCC)] [linkrate=(packets/sec)] [linklog=filename] [serverport=(port)]\n");
+		fprintf( stderr, "Usage: sender serverip=(ipaddr) [if=(ratname)] [offduration=(time in ms)] [onduration=(time in ms)] [cctype=remy|kernel|tcp|markovian] [delta_conf=(for MarkovianCC)] [traffic_params=[exponential|deterministic],[byte_switched],[num_cycles=]] [linkrate=(packets/sec)] [linklog=filename] [serverport=(port)]\n");
 		exit(1);
 	}