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], *bufp = buf;
  51         int fd = *(int *)sptps->handle;
  52         size_t len = recv(fd, buf, sizeof buf, 0);
  53         while(len) {
  54                 size_t done = sptps_receive_data(sptps, bufp, len);
  55                 if(!done)
  56                         abort();
  57                 bufp += done;
  58                 len -= done;
  59         }
  60 }
  61
  62 struct timespec start;
  63 struct timespec end;
  64 double elapsed;
  65 double rate;
  66 unsigned int count;
  67
  68 static void clock_start() {
  69         count = 0;
  70         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start);
  71 }
  72
  73 static bool clock_countto(double seconds) {
  74         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end);
  75         elapsed = end.tv_sec + end.tv_nsec * 1e-9 - start.tv_sec - start.tv_nsec * 1e-9;
  76         if(elapsed < seconds)
  77                 return ++count;
  78
  79         rate = count / elapsed;
  80         return false;
  81 }
  82
  83 int main(int argc, char *argv[]) {
  84         ecdsa_t *key1, *key2;
  85         ecdh_t *ecdh1, *ecdh2;
  86         sptps_t sptps1, sptps2;
  87         char buf1[4096], buf2[4096], buf3[4096];
  88         double duration = argc > 1 ? atof(argv[1]) : 10;
  89
  90         crypto_init();
  91
  92         randomize(buf1, sizeof buf1);
  93         randomize(buf2, sizeof buf2);
  94         randomize(buf3, sizeof buf3);
  95
  96         // Key generation
  97
  98         fprintf(stderr, "Generating keys for %lg seconds: ", duration);
  99         for(clock_start(); clock_countto(duration);)
 100                 ecdsa_free(ecdsa_generate());
 101         fprintf(stderr, "%17.2lf op/s\n", rate);
 102
 103         key1 = ecdsa_generate();
 104         key2 = ecdsa_generate();
 105
 106         // Ed25519 signatures
 107
 108         fprintf(stderr, "Ed25519 sign for %lg seconds: ", duration);
 109         for(clock_start(); clock_countto(duration);)
 110                 if(!ecdsa_sign(key1, buf1, 256, buf2))
 111                         return 1;
 112         fprintf(stderr, "%20.2lf op/s\n", rate);
 113
 114         fprintf(stderr, "Ed25519 verify for %lg seconds: ", duration);
 115         for(clock_start(); clock_countto(duration);)
 116                 if(!ecdsa_verify(key1, buf1, 256, buf2)) {
 117                         fprintf(stderr, "Signature verification failed\n");
 118                         return 1;
 119                 }
 120         fprintf(stderr, "%18.2lf op/s\n", rate);
 121
 122         ecdh1 = ecdh_generate_public(buf1);
 123         fprintf(stderr, "ECDH for %lg seconds: ", duration);
 124         for(clock_start(); clock_countto(duration);) {
 125                 ecdh2 = ecdh_generate_public(buf2);
 126                 if(!ecdh2)
 127                         return 1;
 128                 if(!ecdh_compute_shared(ecdh2, buf1, buf3))
 129                         return 1;
 130         }
 131         fprintf(stderr, "%28.2lf op/s\n", rate);
 132         ecdh_free(ecdh1);
 133
 134         // SPTPS authentication phase
 135
 136         int fd[2];
 137         if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) {
 138                 fprintf(stderr, "Could not create a UNIX socket pair: %s\n", sockstrerror(sockerrno));
 139                 return 1;
 140         }
 141
 142         struct pollfd pfd[2] = {{fd[0], POLLIN}, {fd[1], POLLIN}};
 143
 144         fprintf(stderr, "SPTPS/TCP authenticate for %lg seconds: ", duration);
 145         for(clock_start(); clock_countto(duration);) {
 146                 sptps_start(&sptps1, fd + 0, true, false, key1, key2, "sptps_speed", 11, send_data, receive_record);
 147                 sptps_start(&sptps2, fd + 1, false, false, key2, key1, "sptps_speed", 11, send_data, receive_record);
 148                 while(poll(pfd, 2, 0)) {
 149                         if(pfd[0].revents)
 150                                 receive_data(&sptps1);
 151                         if(pfd[1].revents)
 152                                 receive_data(&sptps2);
 153                 }
 154                 sptps_stop(&sptps1);
 155                 sptps_stop(&sptps2);
 156         }
 157         fprintf(stderr, "%10.2lf op/s\n", rate * 2);
 158
 159         // SPTPS data
 160
 161         sptps_start(&sptps1, fd + 0, true, false, key1, key2, "sptps_speed", 11, send_data, receive_record);
 162         sptps_start(&sptps2, fd + 1, false, false, key2, key1, "sptps_speed", 11, send_data, receive_record);
 163         while(poll(pfd, 2, 0)) {
 164                 if(pfd[0].revents)
 165                         receive_data(&sptps1);
 166                 if(pfd[1].revents)
 167                         receive_data(&sptps2);
 168         }
 169         fprintf(stderr, "SPTPS/TCP transmit for %lg seconds: ", duration);
 170         for(clock_start(); clock_countto(duration);) {
 171                 if(!sptps_send_record(&sptps1, 0, buf1, 1451))
 172                         abort();
 173                 receive_data(&sptps2);
 174         }
 175         rate *= 2 * 1451 * 8;
 176         if(rate > 1e9)
 177                 fprintf(stderr, "%14.2lf Gbit/s\n", rate / 1e9);
 178         else if(rate > 1e6)
 179                 fprintf(stderr, "%14.2lf Mbit/s\n", rate / 1e6);
 180         else if(rate > 1e3)
 181                 fprintf(stderr, "%14.2lf kbit/s\n", rate / 1e3);
 182         sptps_stop(&sptps1);
 183         sptps_stop(&sptps2);
 184
 185         // SPTPS datagram authentication phase
 186
 187         close(fd[0]);
 188         close(fd[1]);
 189
 190         if(socketpair(AF_UNIX, SOCK_DGRAM, 0, fd)) {
 191                 fprintf(stderr, "Could not create a UNIX socket pair: %s\n", sockstrerror(sockerrno));
 192                 return 1;
 193         }
 194
 195         fprintf(stderr, "SPTPS/UDP authenticate for %lg seconds: ", duration);
 196         for(clock_start(); clock_countto(duration);) {
 197                 sptps_start(&sptps1, fd + 0, true, true, key1, key2, "sptps_speed", 11, send_data, receive_record);
 198                 sptps_start(&sptps2, fd + 1, false, true, key2, key1, "sptps_speed", 11, send_data, receive_record);
 199                 while(poll(pfd, 2, 0)) {
 200                         if(pfd[0].revents)
 201                                 receive_data(&sptps1);
 202                         if(pfd[1].revents)
 203                                 receive_data(&sptps2);
 204                 }
 205                 sptps_stop(&sptps1);
 206                 sptps_stop(&sptps2);
 207         }
 208         fprintf(stderr, "%10.2lf op/s\n", rate * 2);
 209
 210         // SPTPS datagram data
 211
 212         sptps_start(&sptps1, fd + 0, true, true, key1, key2, "sptps_speed", 11, send_data, receive_record);
 213         sptps_start(&sptps2, fd + 1, false, true, key2, key1, "sptps_speed", 11, send_data, receive_record);
 214         while(poll(pfd, 2, 0)) {
 215                 if(pfd[0].revents)
 216                         receive_data(&sptps1);
 217                 if(pfd[1].revents)
 218                         receive_data(&sptps2);
 219         }
 220         fprintf(stderr, "SPTPS/UDP transmit for %lg seconds: ", duration);
 221         for(clock_start(); clock_countto(duration);) {
 222                 if(!sptps_send_record(&sptps1, 0, buf1, 1451))
 223                         abort();
 224                 receive_data(&sptps2);
 225         }
 226         rate *= 2 * 1451 * 8;
 227         if(rate > 1e9)
 228                 fprintf(stderr, "%14.2lf Gbit/s\n", rate / 1e9);
 229         else if(rate > 1e6)
 230                 fprintf(stderr, "%14.2lf Mbit/s\n", rate / 1e6);
 231         else if(rate > 1e3)
 232                 fprintf(stderr, "%14.2lf kbit/s\n", rate / 1e3);
 233         sptps_stop(&sptps1);
 234         sptps_stop(&sptps2);
 235
 236         // Clean up
 237
 238         close(fd[0]);
 239         close(fd[1]);
 240         ecdsa_free(key1);
 241         ecdsa_free(key2);
 242         crypto_exit();
 243
 244         return 0;
 245 }