src/peerinfo/perf_peerinfo_api.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (C) 2004, 2009, 2010, 2017 GNUnet e.V.
   4
   5      GNUnet is free software: you can redistribute it and/or modify it
   6      under the terms of the GNU General Public License as published
   7      by the Free Software Foundation, either version 3 of the License,
   8      or (at your option) any later version.
   9
  10      GNUnet is distributed in the hope that it will be useful, but
  11      WITHOUT ANY WARRANTY; without even the implied warranty of
  12      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13      Affero General Public License for more details.
  14 */
  15
  16 /**
  17  * @file peerinfo/perf_peerinfo_api.c
  18  * @brief testcase for peerinfo_api.c, hopefully hammer the peerinfo service,
  19  * this performance test adds up to 5000 peers with one address each and checks
  20  * over how many peers it can iterate before receiving a timeout after 5 seconds
  21  * @author Nathan Evans
  22  */
  23
  24 #include "platform.h"
  25 #include "gnunet_hello_lib.h"
  26 #include "gnunet_util_lib.h"
  27 #include "gnunet_testing_lib.h"
  28 #include "gnunet_peerinfo_service.h"
  29 #include "peerinfo.h"
  30 #include <gauger.h>
  31
  32 #define NUM_REQUESTS 5000
  33
  34 static struct GNUNET_PEERINFO_IteratorContext *ic[NUM_REQUESTS];
  35
  36 static struct GNUNET_PEERINFO_Handle *h;
  37
  38 static unsigned int numpeers;
  39
  40 static struct GNUNET_PeerIdentity pid;
  41
  42 static struct GNUNET_SCHEDULER_Task *tt;
  43
  44
  45 static void
  46 do_shutdown (void *cls)
  47 {
  48   if (NULL != tt)
  49   {
  50     GNUNET_SCHEDULER_cancel (tt);
  51     tt = NULL;
  52   }
  53   for (unsigned int i = 0; i < NUM_REQUESTS; i++)
  54     if (NULL != ic[i])
  55       GNUNET_PEERINFO_iterate_cancel (ic[i]);
  56   GNUNET_PEERINFO_disconnect (h);
  57   h = NULL;
  58 }
  59
  60
  61 static void
  62 do_timeout (void *cls)
  63 {
  64   tt = NULL;
  65   GNUNET_SCHEDULER_shutdown ();
  66 }
  67
  68
  69 static int
  70 check_it (void *cls,
  71           const struct GNUNET_HELLO_Address *address,
  72           struct GNUNET_TIME_Absolute expiration)
  73 {
  74   return GNUNET_OK;
  75 }
  76
  77
  78 static ssize_t
  79 address_generator (void *cls, size_t max, void *buf)
  80 {
  81   size_t *agc = cls;
  82   ssize_t ret;
  83   char *caddress;
  84   struct GNUNET_HELLO_Address address;
  85
  86   if (*agc == 0)
  87     return GNUNET_SYSERR; /* Done */
  88
  89   GNUNET_asprintf (&caddress, "Address%d", *agc);
  90   address.peer = pid;
  91   address.address_length = strlen (caddress) + 1;
  92   address.address = caddress;
  93   address.transport_name = "peerinfotest";
  94   ret =
  95       GNUNET_HELLO_add_address (&address,
  96                                 GNUNET_TIME_relative_to_absolute
  97                                 (GNUNET_TIME_UNIT_HOURS), buf, max);
  98   GNUNET_free (caddress);
  99   *agc = 0;
 100   return ret;
 101 }
 102
 103
 104 static void
 105 add_peer (size_t i)
 106 {
 107   struct GNUNET_HELLO_Message *h2;
 108
 109   memset (&pid, i, sizeof (pid));
 110   h2 = GNUNET_HELLO_create (&pid.public_key,
 111                             &address_generator,
 112                             &i,
 113                             GNUNET_NO);
 114   GNUNET_PEERINFO_add_peer (h, h2, NULL, NULL);
 115   GNUNET_free (h2);
 116 }
 117
 118
 119 static void
 120 process (void *cls,
 121          const struct GNUNET_PeerIdentity *peer,
 122          const struct GNUNET_HELLO_Message *hello,
 123          const char *err_msg)
 124 {
 125   struct GNUNET_PEERINFO_IteratorContext **icp = cls;
 126
 127   if (NULL == peer)
 128   {
 129     *icp = NULL;
 130     return;
 131   }
 132   numpeers++;
 133   if (0 && (NULL != hello) )
 134     GNUNET_HELLO_iterate_addresses (hello,
 135                                     GNUNET_NO,
 136                                     &check_it,
 137                                     NULL);
 138 }
 139
 140
 141 static void
 142 run (void *cls,
 143      const struct GNUNET_CONFIGURATION_Handle *cfg,
 144      struct GNUNET_TESTING_Peer *peer)
 145 {
 146   h = GNUNET_PEERINFO_connect (cfg);
 147   GNUNET_assert (h != NULL);
 148   for (unsigned int i = 0; i < NUM_REQUESTS; i++)
 149   {
 150     add_peer (i);
 151     ic[i] = GNUNET_PEERINFO_iterate (h,
 152                                      GNUNET_YES,
 153                                      NULL,
 154                                      &process,
 155                                      &ic[i]);
 156   }
 157   tt = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
 158                                                                     5),
 159                                      &do_timeout,
 160                                      NULL);
 161   GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
 162                                  NULL);
 163 }
 164
 165
 166 int
 167 main (int argc,
 168       char *argv[])
 169 {
 170   if (0 != GNUNET_TESTING_service_run ("perf-gnunet-peerinfo",
 171                                        "peerinfo",
 172                                        "test_peerinfo_api_data.conf",
 173                                        &run, NULL))
 174     return 1;
 175   FPRINTF (stderr,
 176            "Received %u/%u calls before timeout\n",
 177            numpeers,
 178            NUM_REQUESTS * NUM_REQUESTS / 2);
 179   GAUGER ("PEERINFO",
 180           "Peerinfo lookups",
 181           numpeers / 5,
 182           "peers/s");
 183   return 0;
 184 }
 185
 186 /* end of perf_peerinfo_api.c */