Add an option to test datagram SPTPS with packet loss.

This commit is contained in:
Guus Sliepen 2013-08-30 13:04:14 +02:00
parent 5da0ebd421
commit d0aa0817d2

View file

@ -19,6 +19,8 @@
#include "system.h"
#include <getopt.h>
#include "crypto.h"
#include "ecdsa.h"
#include "sptps.h"
@ -49,24 +51,72 @@ static bool receive_record(void *handle, uint8_t type, const char *data, uint16_
return true;
}
static struct option const long_options[] = {
{"datagram", no_argument, NULL, 'd'},
{"packet-loss", required_argument, NULL, 'l'},
{"help", no_argument, NULL, 1},
{NULL, 0, NULL, 0}
};
const char *program_name;
static void usage() {
fprintf(stderr, "Usage: %s [options] my_ecdsa_key_file his_ecdsa_key_file [host] port\n\n", program_name);
fprintf(stderr, "Valid options are:\n"
" -d, --datagram Enable datagram mode.\n"
" -l, --packet-loss RATE Fake packet loss of RATE percent.\n"
"\n");
fprintf(stderr, "Report bugs to tinc@tinc-vpn.org.\n");
}
int main(int argc, char *argv[]) {
program_name = argv[0];
bool initiator = false;
bool datagram = false;
int packetloss = 0;
int r;
int option_index = 0;
if(argc > 1 && !strcmp(argv[1], "-d")) {
datagram = true;
argc--;
argv++;
while((r = getopt_long(argc, argv, "dl:", long_options, &option_index)) != EOF) {
switch (r) {
case 0: /* long option */
break;
case 'd': /* datagram mode */
datagram = true;
break;
case 'l': /* packet loss rate */
packetloss = atoi(optarg);
break;
case '?': /* wrong options */
usage();
return 1;
case 1: /* help */
usage();
return 0;
default:
break;
}
}
if(argc < 4) {
fprintf(stderr, "Usage: %s [-d] my_ecdsa_key_file his_ecdsa_key_file [host] port\n", argv[0]);
argc -= optind - 1;
argv += optind - 1;
if(argc < 4 || argc > 5) {
fprintf(stderr, "Wrong number of arguments.\n");
usage();
return 1;
}
if(argc > 4)
initiator = true;
srand(time(NULL));
#ifdef HAVE_MINGW
static struct WSAData wsa_state;
if(WSAStartup(MAKEWORD(2, 2), &wsa_state))
@ -202,6 +252,10 @@ int main(int argc, char *argv[]) {
char hex[len * 2 + 1];
bin2hex(buf, hex, len);
fprintf(stderr, "Received %d bytes of data:\n%s\n", (int)len, hex);
if((rand() % 100) < packetloss) {
fprintf(stderr, "Dropped.\n");
continue;
}
if(!sptps_receive_data(&s, buf, len))
return 1;
}