static void check (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg) { unsigned int c = 0; unsigned int c2 = 0; unsigned int ca = 0; int update = GNUNET_NO; int range = GNUNET_NO; int res; #if !HAVE_LIBGLPK GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "GLPK not installed!"); ret = 1; return; #endif GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up %u peers with %u addresses per peer\n", peers, addresses); mlp = GAS_mlp_init (cfg, NULL, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS); if (NULL == mlp) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to init MLP\n"); ret = 1; if (GNUNET_SCHEDULER_NO_TASK != shutdown_task) GNUNET_SCHEDULER_cancel(shutdown_task); shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL); } if (peers == 0) peers = DEF_PEERS; if (addresses == 0) addresses = DEF_ADDRESSES_PER_PEER; p = GNUNET_malloc (peers * sizeof (struct ATS_Peer)); a = GNUNET_malloc (peers * addresses * sizeof (struct ATS_Address)); amap = GNUNET_CONTAINER_multihashmap_create(addresses * peers, GNUNET_NO); mlp->auto_solve = GNUNET_NO; if (start == 0) start = 0; if (end == 0) end = -1; if ((start != -1) && (end != -1)) { GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Solving problem starting from %u to %u\n", start , end); range = GNUNET_YES; } else GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Solving problem for %u peers\n", peers); if ((update_percentage >= 0) && (update_percentage <= 100)) { update = GNUNET_YES; GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Benchmarking with existing presolution and %u%% updated addresses\n", update_percentage); } else if ((update_percentage > 100) && (update_percentage != UINT_MAX)) { GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Invalid percentage: %u\n", update_percentage); ret = 1; return; } for (c=0; c < peers; c++) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up peer %u\n", c); GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_NONCE, &p[c].id.hashPubKey); for (c2=0; c2 < addresses; c2++) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up address %u for peer %u\n", c2, c); /* Setting required information */ a[ca].mlp_information = NULL; a[ca].prev = NULL; a[ca].next = NULL; /* Setting address */ a[ca].peer = p[c].id; a[ca].plugin = GNUNET_strdup("test"); a[ca].atsp_network_type = GNUNET_ATS_NET_LOOPBACK; a[ca].ats = GNUNET_malloc (DEF_ATS_VALUES * sizeof (struct GNUNET_ATS_Information)); a[ca].ats[0].type = GNUNET_ATS_QUALITY_NET_DELAY; a[ca].ats[0].value = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, DEF_ATS_MAX_DELAY); a[ca].ats[1].type = GNUNET_ATS_QUALITY_NET_DISTANCE; a[ca].ats[1].value = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, DEF_ATS_MAX_DISTANCE); a[ca].ats_count = 2; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up address %u\n", ca); GNUNET_CONTAINER_multihashmap_put (amap, &a[ca].peer.hashPubKey, &a[ca], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE); GAS_mlp_address_update(mlp, amap, &a[ca]); ca++; } GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Problem contains %u peers and %u adresses\n", mlp->c_p, mlp->addr_in_problem); if (((GNUNET_YES == range) && (((start >= 0) && ((c+1) >= start)) && (c <= end))) || ((c+1) == peers)) { GNUNET_assert ((c+1) == mlp->c_p); GNUNET_assert ((c+1) * addresses == mlp->addr_in_problem); /* Solving the problem */ struct GAS_MLP_SolutionContext ctx; res = GAS_mlp_solve_problem(mlp, &ctx); if (GNUNET_NO == update) { if (GNUNET_OK == res) { GNUNET_assert (GNUNET_OK == ctx.lp_result); GNUNET_assert (GNUNET_OK == ctx.mlp_result); if (GNUNET_YES == numeric) printf ("%u;%u;%llu;%llu\n",mlp->c_p, mlp->addr_in_problem, (unsigned long long) ctx.lp_duration.rel_value, (unsigned long long) ctx.mlp_duration.rel_value); else GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Problem solved for %u peers with %u address successfully (LP: %llu ms / MLP: %llu ms)\n", mlp->c_p, mlp->addr_in_problem, ctx.lp_duration.rel_value, ctx.mlp_duration.rel_value); } else GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Solving problem with %u peers and %u addresses failed\n", c, c2); } else { struct GAS_MLP_SolutionContext uctx; /* Update addresses */ update_addresses (a, (c+1) * c2, update_percentage); /* Solve again */ res = GAS_mlp_solve_problem(mlp, &uctx); if (GNUNET_OK == res) { GNUNET_assert (GNUNET_OK == uctx.lp_result); GNUNET_assert (GNUNET_OK == uctx.mlp_result); if (GNUNET_YES == numeric) printf ("%u;%u;%llu;%llu;%llu;%llu\n",mlp->c_p, mlp->addr_in_problem, (unsigned long long) ctx.lp_duration.rel_value, (unsigned long long) ctx.mlp_duration.rel_value, (unsigned long long) uctx.lp_duration.rel_value, (unsigned long long) uctx.mlp_duration.rel_value); else GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Updated problem solved for %u peers with %u address successfully (Initial: LP/MLP: %llu/%llu ms, Update: %llu/%llu ms)\n", mlp->c_p, mlp->addr_in_problem, (unsigned long long) ctx.lp_duration.rel_value, (unsigned long long) ctx.mlp_duration.rel_value, (unsigned long long) uctx.lp_duration.rel_value, (unsigned long long) uctx.mlp_duration.rel_value); } else GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Solving updated problem with %u peers and %u addresses failed\n", c, c2); } } } if (GNUNET_SCHEDULER_NO_TASK != shutdown_task) GNUNET_SCHEDULER_cancel(shutdown_task); shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL); }
static void check (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg) { #if !HAVE_LIBGLPK GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "GLPK not installed!"); ret = 1; return; #endif struct ATS_Address addr[10]; struct ATS_PreferedAddress *res[10]; struct MLP_information *mlpi; struct GAS_MLP_SolutionContext ctx; stats = GNUNET_STATISTICS_create("ats", cfg); addresses = GNUNET_CONTAINER_multihashmap_create (10); mlp = GAS_mlp_init (cfg, NULL, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS); mlp->auto_solve = GNUNET_NO; struct GNUNET_PeerIdentity p[10]; /* Creating peer 1 */ GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_WEAK, &p[0].hashPubKey); /* Creating peer 1 address 1 */ addr[0].peer.hashPubKey = p[0].hashPubKey; struct GNUNET_ATS_Information a1_ats[3]; set_ats (&a1_ats[0], GNUNET_ATS_QUALITY_NET_DISTANCE, 1); set_ats (&a1_ats[1], GNUNET_ATS_QUALITY_NET_DELAY, 0); set_ats (&a1_ats[2], GNUNET_ATS_ARRAY_TERMINATOR, 0); create_address (&addr[0], "dummy", 3, &a1_ats[0]); addr[0].atsp_network_type = GNUNET_ATS_NET_LAN; GNUNET_CONTAINER_multihashmap_put(addresses, &addr[0].peer.hashPubKey, &addr[0], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE); /* Add peer 1 address 1 */ GAS_mlp_address_update (mlp, addresses, &addr[0]); mlpi = addr[0].mlp_information; GNUNET_assert (mlp != NULL); GNUNET_assert (mlp->addr_in_problem == 1); /* Update an peer 1 address 1 */ set_ats (&a1_ats[1], GNUNET_ATS_QUALITY_NET_DELAY, 20); GAS_mlp_address_update (mlp, addresses, &addr[0]); GNUNET_assert (mlp->addr_in_problem == 1); /* Update an peer 1 address 1 */ set_ats (&a1_ats[1], GNUNET_ATS_QUALITY_NET_DELAY, 10); GAS_mlp_address_update (mlp, addresses, &addr[0]); GNUNET_assert (mlp->addr_in_problem == 1); /* Update an peer 1 address 1 */ set_ats (&a1_ats[1], GNUNET_ATS_QUALITY_NET_DELAY, 10); GAS_mlp_address_update (mlp, addresses, &addr[0]); GNUNET_assert (mlp->addr_in_problem == 1); /* Update an peer 1 address 1 */ set_ats (&a1_ats[1], GNUNET_ATS_QUALITY_NET_DELAY, 30); GAS_mlp_address_update (mlp, addresses, &addr[0]); GNUNET_assert (mlp->addr_in_problem == 1); GNUNET_assert (GNUNET_OK == GAS_mlp_solve_problem(mlp, &ctx)); GNUNET_assert (GNUNET_OK == ctx.lp_result); GNUNET_assert (GNUNET_OK == ctx.mlp_result); res[0] = GAS_mlp_get_preferred_address(mlp, addresses, &p[0]); GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Preferred address `%s' outbound bandwidth: %u Bps\n",res[0]->address->plugin, res[0]->bandwidth_out); GNUNET_free (res[0]); /* Delete an address */ GNUNET_CONTAINER_multihashmap_remove (addresses, &addr[0].peer.hashPubKey, &addr[0]); GAS_mlp_address_delete (mlp, addresses, &addr[0]); GNUNET_assert (mlp->addr_in_problem == 0); GAS_mlp_done (mlp); GNUNET_free (addr[0].plugin); GNUNET_CONTAINER_multihashmap_destroy (addresses); GNUNET_STATISTICS_destroy(stats, GNUNET_NO); ret = 0; return; }
/** * Initialize address subsystem. * * @param cfg configuration to use * @param stats the statistics handle to use */ void GAS_addresses_init (const struct GNUNET_CONFIGURATION_Handle *cfg, const struct GNUNET_STATISTICS_Handle *stats) { int mode; char *quota_wan_in_str; char *quota_wan_out_str; running = GNUNET_NO; addresses = GNUNET_CONTAINER_multihashmap_create (128); GNUNET_assert (NULL != addresses); if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_IN", "a_wan_in_str)) { if (0 == strcmp(quota_wan_in_str, "unlimited") || (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_wan_in_str, &wan_quota_in))) wan_quota_in = (UINT32_MAX) /10; GNUNET_free (quota_wan_in_str); quota_wan_in_str = NULL; } else { wan_quota_in = (UINT32_MAX) /10; } if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_OUT", "a_wan_out_str)) { if (0 == strcmp(quota_wan_out_str, "unlimited") || (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_wan_out_str, &wan_quota_out))) wan_quota_out = (UINT32_MAX) /10; GNUNET_free (quota_wan_out_str); quota_wan_out_str = NULL; } else { wan_quota_out = (UINT32_MAX) /10; } mode = GNUNET_CONFIGURATION_get_value_yesno (cfg, "ats", "MLP"); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MLP mode %u", mode); switch (mode) { /* MLP = YES */ case GNUNET_YES: #if HAVE_LIBGLPK ats_mode = MLP; /* Init the MLP solver with default values */ mlp = GAS_mlp_init (cfg, stats, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS); if (NULL == mlp) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "MLP mode was configured, but libglpk is not installed, switching to simple mode\n"); GNUNET_STATISTICS_update (GSA_stats, "MLP mode enabled", 0, GNUNET_NO); break; } else { GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 1, GNUNET_NO); break; } #else GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "MLP mode was configured, but libglpk is not installed, switching to simple mode"); GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO); ats_mode = SIMPLE; break; #endif /* MLP = NO */ case GNUNET_NO: GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO); ats_mode = SIMPLE; break; /* No configuration value */ case GNUNET_SYSERR: GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO); ats_mode = SIMPLE; break; default: break; } GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ATS started with %s mode\n", (SIMPLE == ats_mode) ? "SIMPLE" : "MLP"); running = GNUNET_YES; }