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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;
44 static unsigned int updates;
49 struct PeerContext *p;
50 struct ATS_Address *a;
54 struct GNUNET_CONTAINER_MultiHashMap * amap;
56 struct GAS_MLP_Handle *mlp;
61 GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
65 struct GNUNET_PeerIdentity id;
78 struct GNUNET_ATS_Information *ats;
85 do_shutdown (void *cls,
86 const struct GNUNET_SCHEDULER_TaskContext *tc)
90 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown\n");
100 for (ca=0; ca < (peers * addresses); ca++)
102 GNUNET_free (a[ca].plugin);
103 GNUNET_free (a[ca].ats);
108 GNUNET_CONTAINER_multihashmap_destroy(amap);
109 GNUNET_free_non_null (a);
110 GNUNET_free_non_null (p);
116 check (void *cls, char *const *args, const char *cfgfile,
117 const struct GNUNET_CONFIGURATION_Handle *cfg)
124 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "GLPK not installed!");
129 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up %u peers with %u addresses per peer\n", peers, addresses);
131 mlp = GAS_mlp_init (cfg, NULL, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
134 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to init MLP\n");
136 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
137 GNUNET_SCHEDULER_cancel(shutdown_task);
138 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
144 addresses = DEF_ADDRESSES_PER_PEER;
146 p = GNUNET_malloc (peers * sizeof (struct ATS_Peer));
147 a = GNUNET_malloc (peers * addresses * sizeof (struct ATS_Address));
149 amap = GNUNET_CONTAINER_multihashmap_create(addresses * peers);
151 mlp->auto_solve = GNUNET_NO;
156 if ((start != -1) && (end != -1))
157 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Solving problem starting from %u to %u\n", start , end);
159 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Solving problem for %u peers\n", peers);
160 for (c=0; c < peers; c++)
162 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up peer %u\n", c);
163 GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_NONCE, &p[c].id.hashPubKey);
165 for (c2=0; c2 < addresses; c2++)
167 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up address %u for peer %u\n", c2, c);
168 /* Setting required information */
169 a[ca].mlp_information = NULL;
173 /* Setting address */
174 a[ca].peer = p[c].id;
175 a[ca].plugin = strdup("test");
176 a[ca].atsp_network_type = GNUNET_ATS_NET_LOOPBACK;
178 a[ca].ats = GNUNET_malloc (2 * sizeof (struct GNUNET_ATS_Information));
179 a[ca].ats[0].type = GNUNET_ATS_QUALITY_NET_DELAY;
180 a[ca].ats[0].value = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 10);
181 a[ca].ats[1].type = GNUNET_ATS_QUALITY_NET_DISTANCE;
182 a[ca].ats[1].value = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 2);
184 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up address %u\n", ca);
185 GNUNET_CONTAINER_multihashmap_put (amap, &a[ca].peer.hashPubKey, &a[ca], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
186 GAS_mlp_address_update(mlp, amap, &a[ca]);
190 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Problem contains %u peers and %u adresses\n", mlp->c_p, mlp->addr_in_problem);
192 if ((((start >= 0) && ((c+1) >= start)) && (c <= end)) || ((c+1) == peers))
194 GNUNET_assert ((c+1) == mlp->c_p);
195 GNUNET_assert ((c+1) * addresses == mlp->addr_in_problem);
197 /* Solving the problem */
198 struct GAS_MLP_SolutionContext ctx;
200 if (GNUNET_OK == GAS_mlp_solve_problem(mlp, &ctx))
202 GNUNET_assert (GNUNET_OK == ctx.lp_result);
203 GNUNET_assert (GNUNET_OK == ctx.mlp_result);
204 if (GNUNET_YES == numeric)
205 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);
207 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Problem solved for %u peers with %u address successfully (LP: %llu ms / MLP: %llu ms)\n",
208 mlp->c_p, mlp->addr_in_problem, ctx.lp_duration.rel_value, ctx.mlp_duration.rel_value);
212 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Solving problem with %u peers and %u addresses failed\n", peers, addresses);
216 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
217 GNUNET_SCHEDULER_cancel(shutdown_task);
218 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
224 main (int argc, char *argv[])
227 static struct GNUNET_GETOPT_CommandLineOption options[] = {
228 {'a', "addresses", NULL,
229 gettext_noop ("addresses per peer"), 1,
230 &GNUNET_GETOPT_set_uint, &addresses},
232 gettext_noop ("peers"), 1,
233 &GNUNET_GETOPT_set_uint, &peers},
234 {'n', "numeric", NULL,
235 gettext_noop ("numeric output only"), 0,
236 &GNUNET_GETOPT_set_one, &numeric},
238 gettext_noop ("end solving problem"), 1,
239 &GNUNET_GETOPT_set_uint, &end},
241 gettext_noop ("start solving problem"), 1,
242 &GNUNET_GETOPT_set_uint, &start},
243 GNUNET_GETOPT_OPTION_END
247 GNUNET_PROGRAM_run (argc, argv,
248 "perf_ats_mlp", "nohelp", options,
255 /* end of file perf_ats_mlp.c */