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21 * @file ats/perf_ats_mlp
22 * @brief performance test for the MLP solver
23 * @author Christian Grothoff
24 * @author Matthias Wachs
28 #include "gnunet_util_lib.h"
29 #include "gnunet_statistics_service.h"
30 #include "gnunet-service-ats_addresses_mlp.h"
32 #define VERBOSE GNUNET_YES
33 #define VERBOSE_ARM GNUNET_NO
35 #define MLP_MAX_EXEC_DURATION GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 3)
36 #define MLP_MAX_ITERATIONS INT_MAX
39 #define DEF_ADDRESSES_PER_PEER 5
41 static unsigned int peers;
42 static unsigned int addresses;
43 static unsigned int numeric;
45 struct PeerContext *p;
46 struct ATS_Address *a;
50 struct GNUNET_CONTAINER_MultiHashMap * amap;
52 struct GAS_MLP_Handle *mlp;
57 GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
61 struct GNUNET_PeerIdentity id;
74 struct GNUNET_ATS_Information *ats;
81 do_shutdown (void *cls,
82 const struct GNUNET_SCHEDULER_TaskContext *tc)
86 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown\n");
96 for (ca=0; ca < (peers * addresses); ca++)
98 GNUNET_free (a[ca].plugin);
99 GNUNET_free (a[ca].ats);
104 GNUNET_CONTAINER_multihashmap_destroy(amap);
105 GNUNET_free_non_null (a);
106 GNUNET_free_non_null (p);
112 check (void *cls, char *const *args, const char *cfgfile,
113 const struct GNUNET_CONFIGURATION_Handle *cfg)
120 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "GLPK not installed!");
125 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up %u peers with %u addresses per peer\n", peers, addresses);
127 mlp = GAS_mlp_init (cfg, NULL, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
130 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to init MLP\n");
132 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
133 GNUNET_SCHEDULER_cancel(shutdown_task);
134 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
140 addresses = DEF_ADDRESSES_PER_PEER;
142 p = GNUNET_malloc (peers * sizeof (struct ATS_Peer));
143 a = GNUNET_malloc (peers * addresses * sizeof (struct ATS_Address));
145 amap = GNUNET_CONTAINER_multihashmap_create(addresses * peers);
147 mlp->auto_solve = GNUNET_NO;
148 for (c=0; c < peers; c++)
150 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up peer %u\n", c);
151 GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_NONCE, &p[c].id.hashPubKey);
153 for (c2=0; c2 < addresses; c2++)
155 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up address %u for peer %u\n", c2, c);
156 /* Setting required information */
157 a[ca].mlp_information = NULL;
161 /* Setting address */
162 a[ca].peer = p[c].id;
163 a[ca].plugin = strdup("test");
164 a[ca].atsp_network_type = GNUNET_ATS_NET_LOOPBACK;
166 a[ca].ats = GNUNET_malloc (2 * sizeof (struct GNUNET_ATS_Information));
167 a[ca].ats[0].type = GNUNET_ATS_QUALITY_NET_DELAY;
168 a[ca].ats[0].value = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 10);
169 a[ca].ats[1].type = GNUNET_ATS_QUALITY_NET_DISTANCE;
170 a[ca].ats[1].value = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 2);
172 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up address %u\n", ca);
173 GNUNET_CONTAINER_multihashmap_put (amap, &a[ca].peer.hashPubKey, &a[ca], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
174 GAS_mlp_address_update(mlp, amap, &a[ca]);
178 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Problem contains %u peers and %u adresses\n", mlp->c_p, mlp->addr_in_problem);
180 GNUNET_assert (peers == mlp->c_p);
181 GNUNET_assert (peers * addresses == mlp->addr_in_problem);
183 /* Solving the problem */
184 struct GAS_MLP_SolutionContext ctx;
186 if (GNUNET_OK == GAS_mlp_solve_problem(mlp, &ctx))
188 GNUNET_assert (GNUNET_OK == ctx.lp_result);
189 GNUNET_assert (GNUNET_OK == ctx.mlp_result);
190 if (GNUNET_YES == numeric)
191 printf ("%u;%u;%llu;%llu\n",mlp->c_p, mlp->addr_in_problem, (long long unsigned int) ctx.lp_duration.rel_value, (long long unsigned int) ctx.mlp_duration.rel_value);
193 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Problem solved successfully (LP: %llu ms / MLP: %llu ms)\n", ctx.lp_duration.rel_value, ctx.mlp_duration.rel_value);
197 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Solving problem with %u peers and %u addresses failed\n", peers, addresses);
198 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
199 GNUNET_SCHEDULER_cancel(shutdown_task);
200 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
206 main (int argc, char *argv[])
209 static struct GNUNET_GETOPT_CommandLineOption options[] = {
210 {'a', "addresses", NULL,
211 gettext_noop ("addresses per peer"), 1,
212 &GNUNET_GETOPT_set_uint, &addresses},
214 gettext_noop ("peers"), 1,
215 &GNUNET_GETOPT_set_uint, &peers},
216 {'n', "numeric", NULL,
217 gettext_noop ("numeric output only"), 0,
218 &GNUNET_GETOPT_set_one, &numeric},
219 GNUNET_GETOPT_OPTION_END
223 GNUNET_PROGRAM_run (argc, argv,
224 "perf_ats_mlp", "nohelp", options,
231 /* end of file perf_ats_mlp.c */