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

   1 /*
   2     sptps_speed.c -- SPTPS benchmark
   3     Copyright (C) 2013 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
  22 #include <poll.h>
  23
  24 #include "crypto.h"
  25 #include "ecdh.h"
  26 #include "ecdsa.h"
  27 #include "ecdsagen.h"
  28 #include "sptps.h"
  29
  30 // Symbols necessary to link with logger.o
  31 bool send_request(void *c, const char *msg, ...) { return false; }
  32 struct list_t *connection_list = NULL;
  33 bool send_meta(void *c, const char *msg , int len) { return false; }
  34 char *logfilename = NULL;
  35 struct timeval now;
  36
  37 static bool send_data(void *handle, uint8_t type, const char *data, size_t len) {
  38         int fd = *(int *)handle;
  39         send(fd, data, len, 0);
  40         return true;
  41 }
  42
  43 static bool receive_record(void *handle, uint8_t type, const char *data, uint16_t len) {
  44         return true;
  45 }
  46
  47 static void receive_data(sptps_t *sptps) {
  48         char buf[4096];
  49         int fd = *(int *)sptps->handle;
  50         size_t len = recv(fd, buf, sizeof buf, 0);
  51         if(!sptps_receive_data(sptps, buf, len))
  52                 abort();
  53 }
  54
  55 struct timespec start;
  56 struct timespec end;
  57 double elapsed;
  58 double rate;
  59 unsigned int count;
  60
  61 static void clock_start() {
  62         count = 0;
  63         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start);
  64 }
  65
  66 static bool clock_countto(double seconds) {
  67         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end);
  68         elapsed = end.tv_sec + end.tv_nsec * 1e-9 - start.tv_sec - start.tv_nsec * 1e-9;
  69         if(elapsed < seconds)
  70                 return ++count;
  71
  72         rate = count / elapsed;
  73         return false;
  74 }
  75
  76 int main(int argc, char *argv[]) {
  77         ecdsa_t *key1, *key2;
  78         ecdh_t *ecdh1, *ecdh2;
  79         sptps_t sptps1, sptps2;
  80         char buf1[4096], buf2[4096], buf3[4096];
  81         double duration = argc > 1 ? atof(argv[1]) : 10;
  82
  83         crypto_init();
  84
  85         // Key generation
  86
  87         fprintf(stderr, "Generating keys for %lg seconds: ", duration);
  88         for(clock_start(); clock_countto(duration);)
  89                 ecdsa_free(ecdsa_generate());
  90         fprintf(stderr, "%17.2lf op/s\n", rate);
  91
  92         key1 = ecdsa_generate();
  93         key2 = ecdsa_generate();
  94
  95         // ECDSA signatures
  96
  97         fprintf(stderr, "ECDSA sign for %lg seconds: ", duration);
  98         for(clock_start(); clock_countto(duration);)
  99                 ecdsa_sign(key1, buf1, 256, buf2);
 100         fprintf(stderr, "%22.2lf op/s\n", rate);
 101
 102         fprintf(stderr, "ECDSA verify for %lg seconds: ", duration);
 103         for(clock_start(); clock_countto(duration);)
 104                 ecdsa_verify(key1, buf1, 256, buf2);
 105         fprintf(stderr, "%20.2lf op/s\n", rate);
 106
 107         ecdh1 = ecdh_generate_public(buf1);
 108         fprintf(stderr, "ECDH for %lg seconds: ", duration);
 109         for(clock_start(); clock_countto(duration);) {
 110                 ecdh2 = ecdh_generate_public(buf2);
 111                 ecdh_compute_shared(ecdh2, buf1, buf3);
 112         }
 113         fprintf(stderr, "%28.2lf op/s\n", rate);
 114         ecdh_free(ecdh1);
 115
 116         // SPTPS authentication phase
 117
 118         int fd[2];
 119         if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) {
 120                 fprintf(stderr, "Could not create a UNIX socket pair: %s\n", strerror(errno));
 121                 return 1;
 122         }
 123
 124         struct pollfd pfd[2] = {{fd[0], POLLIN}, {fd[1], POLLIN}};
 125
 126         fprintf(stderr, "SPTPS/TCP authenticate for %lg seconds: ", duration);
 127         for(clock_start(); clock_countto(duration);) {
 128                 sptps_start(&sptps1, fd + 0, true, false, key1, key2, "sptps_speed", 11, send_data, receive_record);
 129                 sptps_start(&sptps2, fd + 1, false, false, key2, key1, "sptps_speed", 11, send_data, receive_record);
 130                 while(poll(pfd, 2, 0)) {
 131                         if(pfd[0].revents)
 132                                 receive_data(&sptps1);
 133                         if(pfd[1].revents)
 134                                 receive_data(&sptps2);
 135                 }
 136                 sptps_stop(&sptps1);
 137                 sptps_stop(&sptps2);
 138         }
 139         fprintf(stderr, "%10.2lf op/s\n", rate * 2);
 140
 141         // SPTPS data
 142
 143         sptps_start(&sptps1, fd + 0, true, false, key1, key2, "sptps_speed", 11, send_data, receive_record);
 144         sptps_start(&sptps2, fd + 1, false, false, key2, key1, "sptps_speed", 11, send_data, receive_record);
 145         while(poll(pfd, 2, 0)) {
 146                 if(pfd[0].revents)
 147                         receive_data(&sptps1);
 148                 if(pfd[1].revents)
 149                         receive_data(&sptps2);
 150         }
 151         fprintf(stderr, "SPTPS/TCP transmit for %lg seconds: ", duration);
 152         for(clock_start(); clock_countto(duration);) {
 153                 if(!sptps_send_record(&sptps1, 0, buf1, 1451))
 154                         abort();
 155                 receive_data(&sptps2);
 156         }
 157         rate *= 2 * 1451 * 8;
 158         if(rate > 1e9)
 159                 fprintf(stderr, "%14.2lf Gbit/s\n", rate / 1e9);
 160         else if(rate > 1e6)
 161                 fprintf(stderr, "%14.2lf Mbit/s\n", rate / 1e6);
 162         else if(rate > 1e3)
 163                 fprintf(stderr, "%14.2lf kbit/s\n", rate / 1e3);
 164         sptps_stop(&sptps1);
 165         sptps_stop(&sptps2);
 166
 167         // SPTPS datagram authentication phase
 168
 169         close(fd[0]);
 170         close(fd[1]);
 171
 172         if(socketpair(AF_UNIX, SOCK_DGRAM, 0, fd)) {
 173                 fprintf(stderr, "Could not create a UNIX socket pair: %s\n", strerror(errno));
 174                 return 1;
 175         }
 176
 177         fprintf(stderr, "SPTPS/UDP authenticate for %lg seconds: ", duration);
 178         for(clock_start(); clock_countto(duration);) {
 179                 sptps_start(&sptps1, fd + 0, true, true, key1, key2, "sptps_speed", 11, send_data, receive_record);
 180                 sptps_start(&sptps2, fd + 1, false, true, key2, key1, "sptps_speed", 11, send_data, receive_record);
 181                 while(poll(pfd, 2, 0)) {
 182                         if(pfd[0].revents)
 183                                 receive_data(&sptps1);
 184                         if(pfd[1].revents)
 185                                 receive_data(&sptps2);
 186                 }
 187                 sptps_stop(&sptps1);
 188                 sptps_stop(&sptps2);
 189         }
 190         fprintf(stderr, "%10.2lf op/s\n", rate * 2);
 191
 192         // SPTPS datagram data
 193
 194         sptps_start(&sptps1, fd + 0, true, true, key1, key2, "sptps_speed", 11, send_data, receive_record);
 195         sptps_start(&sptps2, fd + 1, false, true, key2, key1, "sptps_speed", 11, send_data, receive_record);
 196         while(poll(pfd, 2, 0)) {
 197                 if(pfd[0].revents)
 198                         receive_data(&sptps1);
 199                 if(pfd[1].revents)
 200                         receive_data(&sptps2);
 201         }
 202         fprintf(stderr, "SPTPS/UDP transmit for %lg seconds: ", duration);
 203         for(clock_start(); clock_countto(duration);) {
 204                 if(!sptps_send_record(&sptps1, 0, buf1, 1451))
 205                         abort();
 206                 receive_data(&sptps2);
 207         }
 208         rate *= 2 * 1451 * 8;
 209         if(rate > 1e9)
 210                 fprintf(stderr, "%14.2lf Gbit/s\n", rate / 1e9);
 211         else if(rate > 1e6)
 212                 fprintf(stderr, "%14.2lf Mbit/s\n", rate / 1e6);
 213         else if(rate > 1e3)
 214                 fprintf(stderr, "%14.2lf kbit/s\n", rate / 1e3);
 215         sptps_stop(&sptps1);
 216         sptps_stop(&sptps2);
 217
 218         // Clean up
 219
 220         close(fd[0]);
 221         close(fd[1]);
 222         ecdsa_free(key1);
 223         ecdsa_free(key2);
 224         crypto_exit();
 225
 226         return 0;
 227 }