tinc-vpn.org Git - tinc/blob - src/sptps_speed.c

   1 /*
   2     sptps_speed.c -- SPTPS benchmark
   3     Copyright (C) 2013-2014 Guus Sliepen <guus@tinc-vpn.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License along
  16     with this program; if not, write to the Free Software Foundation, Inc.,
  17     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "system.h"
  21 #include "utils.h"
  22
  23 #include <poll.h>
  24
  25 #include "crypto.h"
  26 #include "ecdh.h"
  27 #include "ecdsa.h"
  28 #include "ecdsagen.h"
  29 #include "sptps.h"
  30
  31 // Symbols necessary to link with logger.o
  32 bool send_request(void *c, const char *msg, ...) { return false; }
  33 struct list_t *connection_list = NULL;
  34 bool send_meta(void *c, const char *msg , int len) { return false; }
  35 char *logfilename = NULL;
  36 bool do_detach = false;
  37 struct timeval now;
  38
  39 static bool send_data(void *handle, uint8_t type, const void *data, size_t len) {
  40         int fd = *(int *)handle;
  41         send(fd, data, len, 0);
  42         return true;
  43 }
  44
  45 static bool receive_record(void *handle, uint8_t type, const void *data, uint16_t len) {
  46         return true;
  47 }
  48
  49 static void receive_data(sptps_t *sptps) {
  50         char buf[4096];
  51         int fd = *(int *)sptps->handle;
  52         size_t len = recv(fd, buf, sizeof buf, 0);
  53         if(!sptps_receive_data(sptps, buf, len))
  54                 abort();
  55 }
  56
  57 struct timespec start;
  58 struct timespec end;
  59 double elapsed;
  60 double rate;
  61 unsigned int count;
  62
  63 static void clock_start() {
  64         count = 0;
  65         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start);
  66 }
  67
  68 static bool clock_countto(double seconds) {
  69         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end);
  70         elapsed = end.tv_sec + end.tv_nsec * 1e-9 - start.tv_sec - start.tv_nsec * 1e-9;
  71         if(elapsed < seconds)
  72                 return ++count;
  73
  74         rate = count / elapsed;
  75         return false;
  76 }
  77
  78 int main(int argc, char *argv[]) {
  79         ecdsa_t *key1, *key2;
  80         ecdh_t *ecdh1, *ecdh2;
  81         sptps_t sptps1, sptps2;
  82         char buf1[4096], buf2[4096], buf3[4096];
  83         double duration = argc > 1 ? atof(argv[1]) : 10;
  84
  85         crypto_init();
  86
  87         randomize(buf1, sizeof buf1);
  88         randomize(buf2, sizeof buf2);
  89         randomize(buf3, sizeof buf3);
  90
  91         // Key generation
  92
  93         fprintf(stderr, "Generating keys for %lg seconds: ", duration);
  94         for(clock_start(); clock_countto(duration);)
  95                 ecdsa_free(ecdsa_generate());
  96         fprintf(stderr, "%17.2lf op/s\n", rate);
  97
  98         key1 = ecdsa_generate();
  99         key2 = ecdsa_generate();
 100
 101         // Ed25519 signatures
 102
 103         fprintf(stderr, "Ed25519 sign for %lg seconds: ", duration);
 104         for(clock_start(); clock_countto(duration);)
 105                 if(!ecdsa_sign(key1, buf1, 256, buf2))
 106                         return 1;
 107         fprintf(stderr, "%22.2lf op/s\n", rate);
 108
 109         fprintf(stderr, "Ed25519 verify for %lg seconds: ", duration);
 110         for(clock_start(); clock_countto(duration);)
 111                 if(!ecdsa_verify(key1, buf1, 256, buf2)) {
 112                         fprintf(stderr, "Signature verification failed\n");
 113                         return 1;
 114                 }
 115         fprintf(stderr, "%20.2lf op/s\n", rate);
 116
 117         ecdh1 = ecdh_generate_public(buf1);
 118         fprintf(stderr, "ECDH for %lg seconds: ", duration);
 119         for(clock_start(); clock_countto(duration);) {
 120                 ecdh2 = ecdh_generate_public(buf2);
 121                 if(!ecdh2)
 122                         return 1;
 123                 if(!ecdh_compute_shared(ecdh2, buf1, buf3))
 124                         return 1;
 125         }
 126         fprintf(stderr, "%28.2lf op/s\n", rate);
 127         ecdh_free(ecdh1);
 128
 129         // SPTPS authentication phase
 130
 131         int fd[2];
 132         if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) {
 133                 fprintf(stderr, "Could not create a UNIX socket pair: %s\n", sockstrerror(sockerrno));
 134                 return 1;
 135         }
 136
 137         struct pollfd pfd[2] = {{fd[0], POLLIN}, {fd[1], POLLIN}};
 138
 139         fprintf(stderr, "SPTPS/TCP authenticate for %lg seconds: ", duration);
 140         for(clock_start(); clock_countto(duration);) {
 141                 sptps_start(&sptps1, fd + 0, true, false, key1, key2, "sptps_speed", 11, send_data, receive_record);
 142                 sptps_start(&sptps2, fd + 1, false, false, key2, key1, "sptps_speed", 11, send_data, receive_record);
 143                 while(poll(pfd, 2, 0)) {
 144                         if(pfd[0].revents)
 145                                 receive_data(&sptps1);
 146                         if(pfd[1].revents)
 147                                 receive_data(&sptps2);
 148                 }
 149                 sptps_stop(&sptps1);
 150                 sptps_stop(&sptps2);
 151         }
 152         fprintf(stderr, "%10.2lf op/s\n", rate * 2);
 153
 154         // SPTPS data
 155
 156         sptps_start(&sptps1, fd + 0, true, false, key1, key2, "sptps_speed", 11, send_data, receive_record);
 157         sptps_start(&sptps2, fd + 1, false, false, key2, key1, "sptps_speed", 11, send_data, receive_record);
 158         while(poll(pfd, 2, 0)) {
 159                 if(pfd[0].revents)
 160                         receive_data(&sptps1);
 161                 if(pfd[1].revents)
 162                         receive_data(&sptps2);
 163         }
 164         fprintf(stderr, "SPTPS/TCP transmit for %lg seconds: ", duration);
 165         for(clock_start(); clock_countto(duration);) {
 166                 if(!sptps_send_record(&sptps1, 0, buf1, 1451))
 167                         abort();
 168                 receive_data(&sptps2);
 169         }
 170         rate *= 2 * 1451 * 8;
 171         if(rate > 1e9)
 172                 fprintf(stderr, "%14.2lf Gbit/s\n", rate / 1e9);
 173         else if(rate > 1e6)
 174                 fprintf(stderr, "%14.2lf Mbit/s\n", rate / 1e6);
 175         else if(rate > 1e3)
 176                 fprintf(stderr, "%14.2lf kbit/s\n", rate / 1e3);
 177         sptps_stop(&sptps1);
 178         sptps_stop(&sptps2);
 179
 180         // SPTPS datagram authentication phase
 181
 182         close(fd[0]);
 183         close(fd[1]);
 184
 185         if(socketpair(AF_UNIX, SOCK_DGRAM, 0, fd)) {
 186                 fprintf(stderr, "Could not create a UNIX socket pair: %s\n", sockstrerror(sockerrno));
 187                 return 1;
 188         }
 189
 190         fprintf(stderr, "SPTPS/UDP authenticate for %lg seconds: ", duration);
 191         for(clock_start(); clock_countto(duration);) {
 192                 sptps_start(&sptps1, fd + 0, true, true, key1, key2, "sptps_speed", 11, send_data, receive_record);
 193                 sptps_start(&sptps2, fd + 1, false, true, key2, key1, "sptps_speed", 11, send_data, receive_record);
 194                 while(poll(pfd, 2, 0)) {
 195                         if(pfd[0].revents)
 196                                 receive_data(&sptps1);
 197                         if(pfd[1].revents)
 198                                 receive_data(&sptps2);
 199                 }
 200                 sptps_stop(&sptps1);
 201                 sptps_stop(&sptps2);
 202         }
 203         fprintf(stderr, "%10.2lf op/s\n", rate * 2);
 204
 205         // SPTPS datagram data
 206
 207         sptps_start(&sptps1, fd + 0, true, true, key1, key2, "sptps_speed", 11, send_data, receive_record);
 208         sptps_start(&sptps2, fd + 1, false, true, key2, key1, "sptps_speed", 11, send_data, receive_record);
 209         while(poll(pfd, 2, 0)) {
 210                 if(pfd[0].revents)
 211                         receive_data(&sptps1);
 212                 if(pfd[1].revents)
 213                         receive_data(&sptps2);
 214         }
 215         fprintf(stderr, "SPTPS/UDP transmit for %lg seconds: ", duration);
 216         for(clock_start(); clock_countto(duration);) {
 217                 if(!sptps_send_record(&sptps1, 0, buf1, 1451))
 218                         abort();
 219                 receive_data(&sptps2);
 220         }
 221         rate *= 2 * 1451 * 8;
 222         if(rate > 1e9)
 223                 fprintf(stderr, "%14.2lf Gbit/s\n", rate / 1e9);
 224         else if(rate > 1e6)
 225                 fprintf(stderr, "%14.2lf Mbit/s\n", rate / 1e6);
 226         else if(rate > 1e3)
 227                 fprintf(stderr, "%14.2lf kbit/s\n", rate / 1e3);
 228         sptps_stop(&sptps1);
 229         sptps_stop(&sptps2);
 230
 231         // Clean up
 232
 233         close(fd[0]);
 234         close(fd[1]);
 235         ecdsa_free(key1);
 236         ecdsa_free(key2);
 237         crypto_exit();
 238
 239         return 0;
 240 }