2 This file is part of GNUnet.
3 (C) 2011 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
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 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file ats/gnunet-service-ats_addresses.c
23 * @brief ats service address management
24 * @author Matthias Wachs
25 * @author Christian Grothoff
28 #include "gnunet_ats_service.h"
29 #include "gnunet-service-ats.h"
30 #include "gnunet-service-ats_addresses.h"
31 #include "gnunet-service-ats_performance.h"
32 #include "gnunet-service-ats_scheduling.h"
33 #include "gnunet-service-ats_reservations.h"
35 #include "gnunet-service-ats_addresses_mlp.h"
38 #define VERBOSE GNUNET_NO
40 #define ATS_BLOCKING_DELTA GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 100)
45 * Assign each peer an equal amount of bandwidth (bw)
47 * bw_per_peer = bw_total / #active addresses
52 * Use MLP solver to assign bandwidth
57 static struct GNUNET_CONTAINER_MultiHashMap *addresses;
60 static struct GAS_MLP_Handle *mlp;
63 static unsigned long long wan_quota_in;
65 static unsigned long long wan_quota_out;
67 static unsigned int active_addr_count;
75 send_bw_notification (struct ATS_Address *aa)
77 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "New bandwidth for peer %s is %u/%u\n",
78 GNUNET_i2s (&aa->peer), ntohl (aa->assigned_bw_in.value__),
79 ntohl (aa->assigned_bw_out.value__));
80 GAS_scheduling_transmit_address_suggestion (&aa->peer, aa->plugin, aa->addr,
81 aa->addr_len, aa->session_id,
82 aa->ats, aa->ats_count,
85 GAS_reservations_set_bandwidth (&aa->peer, aa->assigned_bw_in);
86 GAS_performance_notify_clients (&aa->peer, aa->plugin, aa->addr, aa->addr_len,
87 aa->ats, aa->ats_count, aa->assigned_bw_out,
92 * Update a bandwidth assignment for a peer. This trivial method currently
93 * simply assigns the same share to all active connections.
97 * @param value the 'struct ATS_Address'
98 * @return GNUNET_OK (continue to iterate)
101 update_bw_simple_it (void *cls, const struct GNUNET_HashCode * key, void *value)
103 struct ATS_Address *aa = value;
105 if (GNUNET_YES != aa->active)
107 GNUNET_assert (active_addr_count > 0);
111 aa->assigned_bw_in.value__ = htonl (wan_quota_in / active_addr_count);
112 aa->assigned_bw_out.value__ = htonl (wan_quota_out / active_addr_count);
114 send_bw_notification (aa);
121 * Some (significant) input changed, recalculate bandwidth assignment
125 recalculate_assigned_bw ()
127 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
128 "Recalculating bandwidth for all active connections\n");
129 GNUNET_STATISTICS_update (GSA_stats, "# bandwidth recalculations performed",
131 GNUNET_STATISTICS_set (GSA_stats, "# active addresses", active_addr_count,
134 GNUNET_CONTAINER_multihashmap_iterate (addresses, &update_bw_simple_it, NULL);
138 * Free the given address
139 * @param addr address to destroy
142 free_address (struct ATS_Address *addr)
144 GNUNET_free_non_null (addr->ats);
145 GNUNET_free (addr->plugin);
150 * Create a ATS_address with the given information
152 * @param plugin_name plugin
153 * @param plugin_addr address
154 * @param plugin_addr_len address length
155 * @param session_id session
156 * @return the ATS_Address
158 static struct ATS_Address *
159 create_address (const struct GNUNET_PeerIdentity *peer,
160 const char *plugin_name,
161 const void *plugin_addr, size_t plugin_addr_len,
164 struct ATS_Address *aa = NULL;
166 aa = GNUNET_malloc (sizeof (struct ATS_Address) + plugin_addr_len);
168 aa->addr_len = plugin_addr_len;
170 memcpy (&aa[1], plugin_addr, plugin_addr_len);
171 aa->plugin = GNUNET_strdup (plugin_name);
172 aa->session_id = session_id;
178 * Destroy the given address.
180 * @param addr address to destroy
181 * @return GNUNET_YES if bandwidth allocations should be recalcualted
184 destroy_address (struct ATS_Address *addr)
189 GNUNET_assert (GNUNET_YES ==
190 GNUNET_CONTAINER_multihashmap_remove (addresses,
191 &addr->peer.hashPubKey,
196 GAS_mlp_address_delete (mlp, addresses, addr);
199 if (GNUNET_YES == addr->active)
202 addr->active = GNUNET_NO;
210 struct CompareAddressContext
212 const struct ATS_Address *search;
214 /* exact_address != NULL if address and session is equal */
215 struct ATS_Address *exact_address;
216 /* exact_address != NULL if address and session is 0 */
217 struct ATS_Address *base_address;
222 compare_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
224 struct CompareAddressContext *cac = cls;
225 struct ATS_Address *aa = value;
227 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
228 "Comparing to: %s %s %u session %u\n",
229 GNUNET_i2s (&aa->peer), aa->plugin, aa->addr_len, aa->session_id);
232 /* find an exact matching address: aa->addr == cac->search->addr && aa->session == cac->search->session */
233 if ((aa->addr_len == cac->search->addr_len) && (0 == strcmp (aa->plugin, cac->search->plugin)))
235 if ((0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)) && (aa->session_id == cac->search->session_id))
237 cac->exact_address = aa;
241 /* find an matching address: aa->addr == cac->search->addr && aa->session == 0 */
242 /* this address can be used to be updated */
243 if ((aa->addr_len == cac->search->addr_len) && (0 == strcmp (aa->plugin, cac->search->plugin)))
245 if ((0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)) && (aa->session_id == 0))
247 cac->base_address = aa;
251 if (cac->exact_address == NULL)
259 * Find an existing equivalent address record.
260 * Compares by peer identity and network address OR by session ID
261 * (one of the two must match).
263 * @param peer peer to lookup addresses for
264 * @param addr existing address record
265 * @return existing address record, NULL for none
268 find_address (const struct GNUNET_PeerIdentity *peer,
269 const struct ATS_Address *addr)
271 struct CompareAddressContext cac;
273 cac.exact_address = NULL;
274 cac.base_address = NULL;
276 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
277 &compare_address_it, &cac);
280 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
281 "exact address: %s base address: %s\n",
282 (cac.exact_address != NULL) ? "YES" : "NO",
283 (cac.base_address != NULL) ? "YES" : "NO");
285 if (cac.exact_address == NULL)
286 return cac.base_address;
287 return cac.exact_address;
291 static struct ATS_Address *
292 lookup_address (const struct GNUNET_PeerIdentity *peer,
293 const char *plugin_name, const void *plugin_addr,
294 size_t plugin_addr_len, uint32_t session_id,
295 const struct GNUNET_ATS_Information *atsi,
298 struct ATS_Address *aa;
299 struct ATS_Address *old;
301 aa = create_address (peer,
303 plugin_addr, plugin_addr_len,
306 aa->mlp_information = NULL;
307 aa->ats = GNUNET_malloc (atsi_count * sizeof (struct GNUNET_ATS_Information));
308 aa->ats_count = atsi_count;
309 memcpy (aa->ats, atsi, atsi_count * sizeof (struct GNUNET_ATS_Information));
311 /* Get existing address or address with session == 0 */
312 old = find_address (peer, aa);
318 else if (old->session_id != session_id)
329 compare_address_session_it (void *cls, const struct GNUNET_HashCode * key, void *value)
331 struct CompareAddressContext *cac = cls;
332 struct ATS_Address *aa = value;
334 if ((aa->addr_len == cac->search->addr_len) && (0 == strcmp (aa->plugin, cac->search->plugin)))
336 if ((0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)) && (aa->session_id == cac->search->session_id))
338 cac->exact_address = aa;
347 * Find an existing equivalent address record.
348 * Compares by peer identity and network address AND by session ID
349 * (one of the two must match).
351 * @param peer peer to lookup addresses for
352 * @param addr existing address record
353 * @return existing address record, NULL for none
356 find_exact_address (const struct GNUNET_PeerIdentity *peer,
357 const struct ATS_Address *addr)
359 struct CompareAddressContext cac;
361 cac.exact_address = NULL;
363 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
364 &compare_address_session_it, &cac);
365 return cac.exact_address;
370 GAS_addresses_add (const struct GNUNET_PeerIdentity *peer,
371 const char *plugin_name, const void *plugin_addr,
372 size_t plugin_addr_len, uint32_t session_id,
373 const struct GNUNET_ATS_Information *atsi,
376 struct ATS_Address *aa;
377 struct ATS_Address *old;
379 if (GNUNET_NO == running)
382 GNUNET_assert (NULL != addresses);
384 aa = create_address (peer,
386 plugin_addr, plugin_addr_len,
389 aa->mlp_information = NULL;
390 aa->ats = GNUNET_malloc (atsi_count * sizeof (struct GNUNET_ATS_Information));
391 aa->ats_count = atsi_count;
392 memcpy (aa->ats, atsi, atsi_count * sizeof (struct GNUNET_ATS_Information));
394 /* Get existing address or address with session == 0 */
395 old = find_address (peer, aa);
398 /* We have a new address */
399 GNUNET_assert (GNUNET_OK ==
400 GNUNET_CONTAINER_multihashmap_put (addresses,
401 &peer->hashPubKey, aa,
402 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
403 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Added new address for peer `%s' session id %u, %p\n",
404 GNUNET_i2s (peer), session_id, aa);
408 if (old->session_id == 0)
410 /* We have a base address with out an session, update this address */
411 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
412 "Updated existing address for peer `%s' %p with new session %u\n",
413 GNUNET_i2s (peer), old, session_id);
414 GNUNET_free_non_null (old->ats);
415 old->session_id = session_id;
419 old->ats_count = aa->ats_count;
420 GNUNET_free (aa->plugin);
425 /* This address and session is already existing */
426 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
427 "Added already existing address for peer `%s' `%s' %p with new session %u\n",
428 GNUNET_i2s (peer), plugin_name, session_id);
434 GAS_addresses_update (const struct GNUNET_PeerIdentity *peer,
435 const char *plugin_name, const void *plugin_addr,
436 size_t plugin_addr_len, uint32_t session_id,
437 const struct GNUNET_ATS_Information *atsi,
440 struct ATS_Address *old;
443 if (GNUNET_NO == running)
446 GNUNET_assert (NULL != addresses);
448 /* Get existing address */
449 old = lookup_address (peer, plugin_name, plugin_addr, plugin_addr_len,
450 session_id, atsi, atsi_count);
453 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Tried to update unknown address for peer `%s' `%s' session id %u\n",
454 GNUNET_i2s (peer), plugin_name, session_id);
459 for (i = 0; i < atsi_count; i++)
460 switch (ntohl (atsi[i].type))
462 case GNUNET_ATS_UTILIZATION_UP:
463 old->atsp_utilization_out.value__ = atsi[i].value;
465 case GNUNET_ATS_UTILIZATION_DOWN:
466 old->atsp_utilization_in.value__ = atsi[i].value;
468 case GNUNET_ATS_QUALITY_NET_DELAY:
469 old->atsp_latency.rel_value = ntohl (atsi[i].value);
471 case GNUNET_ATS_QUALITY_NET_DISTANCE:
472 old->atsp_distance = ntohl (atsi[i].value);
474 case GNUNET_ATS_COST_WAN:
475 old->atsp_cost_wan = ntohl (atsi[i].value);
477 case GNUNET_ATS_COST_LAN:
478 old->atsp_cost_lan = ntohl (atsi[i].value);
480 case GNUNET_ATS_COST_WLAN:
481 old->atsp_cost_wlan = ntohl (atsi[i].value);
483 case GNUNET_ATS_NETWORK_TYPE:
484 old->atsp_network_type = ntohl (atsi[i].value);
488 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
489 "Received unsupported ATS type %u\n", ntohl (atsi[i].type));
495 GAS_mlp_address_update (mlp, addresses, old);
503 * If session != 0, just the session is deleted, the address itself still exists
504 * If session == 0, remove full address
505 * If session == 0 and addrlen == 0, destroy inbound address
509 * @param value the 'struct ATS_Address'
510 * @return GNUNET_OK (continue to iterate)
513 destroy_by_session_id (void *cls, const struct GNUNET_HashCode * key, void *value)
515 const struct ATS_Address *info = cls;
516 struct ATS_Address *aa = value;
519 memcmp (&aa->peer, &info->peer,
520 sizeof (struct GNUNET_PeerIdentity)));
521 /* session == 0, remove full address */
522 if ((info->session_id == 0) && (0 == strcmp (info->plugin, aa->plugin)) &&
523 (aa->addr_len == info->addr_len) &&
524 (0 == memcmp (info->addr, aa->addr, aa->addr_len)))
527 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
528 "Deleting address for peer `%s': `%s' %u\n",
529 GNUNET_i2s (&aa->peer), aa->plugin, aa->session_id);
531 if (GNUNET_YES == destroy_address (aa))
532 recalculate_assigned_bw ();
535 /* session != 0, just remove session */
536 if (aa->session_id != info->session_id)
537 return GNUNET_OK; /* irrelevant */
538 if (aa->session_id != 0)
539 GNUNET_break (0 == strcmp (info->plugin, aa->plugin));
542 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
543 "Deleting session for peer `%s': `%s' %u\n",
544 GNUNET_i2s (&aa->peer), aa->plugin, aa->session_id);
548 if (GNUNET_YES == aa->active)
550 aa->active = GNUNET_NO;
552 recalculate_assigned_bw ();
555 /* session == 0 and addrlen == 0 : destroy address */
556 if (aa->addr_len == 0)
559 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
560 "Deleting session and address for peer `%s': `%s' %u\n",
561 GNUNET_i2s (&aa->peer), aa->plugin, aa->session_id);
563 (void) destroy_address (aa);
567 /* session was set to 0, update address */
570 GAS_mlp_address_update (mlp, addresses, aa);
578 GAS_addresses_destroy (const struct GNUNET_PeerIdentity *peer,
579 const char *plugin_name, const void *plugin_addr,
580 size_t plugin_addr_len, uint32_t session_id)
582 struct ATS_Address *aa;
583 struct ATS_Address *old;
585 if (GNUNET_NO == running)
588 /* Get existing address */
589 old = lookup_address(peer, plugin_name, plugin_addr, plugin_addr_len,
590 session_id, NULL, 0);
593 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Tried to destroy unknown address for peer `%s' `%s' session id %u\n",
594 GNUNET_i2s (peer), plugin_name, session_id);
600 GNUNET_break (0 < strlen (plugin_name));
601 aa = create_address (peer, plugin_name, plugin_addr, plugin_addr_len, session_id);
603 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
604 &destroy_by_session_id, aa);
611 * Find a "good" address to use for a peer. If we already have an existing
612 * address, we stick to it. Otherwise, we pick by lowest distance and then
615 * @param cls the 'struct ATS_Address**' where we store the result
617 * @param value another 'struct ATS_Address*' to consider using
618 * @return GNUNET_OK (continue to iterate)
621 find_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
623 struct ATS_Address **ap = cls;
624 struct ATS_Address *aa = (struct ATS_Address *) value;
625 struct ATS_Address *ab = *ap;
626 struct GNUNET_TIME_Absolute now;
628 now = GNUNET_TIME_absolute_get();
630 if (aa->blocked_until.abs_value == GNUNET_TIME_absolute_max (now, aa->blocked_until).abs_value)
632 /* This address is blocked for suggestion */
633 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
634 "Address %p blocked for suggestion for %llu ms \n",
636 GNUNET_TIME_absolute_get_difference(now, aa->blocked_until).rel_value);
640 aa->block_interval = GNUNET_TIME_relative_add (aa->block_interval, ATS_BLOCKING_DELTA);
641 aa->blocked_until = GNUNET_TIME_absolute_add (now, aa->block_interval);
643 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
644 "Address %p ready for suggestion, block interval now %llu \n", aa, aa->block_interval);
646 /* FIXME this is a hack */
651 if ((0 == strcmp (ab->plugin, "tcp")) &&
652 (0 == strcmp (aa->plugin, "tcp")))
654 if ((0 != ab->addr_len) &&
657 /* saved address was an outbound address, but we have an inbound address */
661 if (0 == ab->addr_len)
663 /* saved address was an inbound address, so do not overwrite */
668 /* FIXME end of hack */
675 if ((ntohl (ab->assigned_bw_in.value__) == 0) &&
676 (ntohl (aa->assigned_bw_in.value__) > 0))
678 /* stick to existing connection */
682 if (ab->atsp_distance > aa->atsp_distance)
684 /* user shorter distance */
688 if (ab->atsp_latency.rel_value > aa->atsp_latency.rel_value)
690 /* user lower latency */
700 GAS_addresses_in_use (const struct GNUNET_PeerIdentity *peer,
701 const char *plugin_name, const void *plugin_addr,
702 size_t plugin_addr_len, uint32_t session_id, int in_use)
705 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
706 "Received `%s' message for peer `%s': %i\n", "ADDRESS_IN_USE",
707 GNUNET_i2s (peer), in_use);
710 struct ATS_Address *old;
712 if (GNUNET_NO == running)
713 return GNUNET_SYSERR;
715 old = lookup_address (peer, plugin_name, plugin_addr, plugin_addr_len, session_id, NULL, 0);
718 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
719 "Trying to set unknown address `%s', %s %u %s \n",
721 plugin_name, session_id,
722 (GNUNET_NO == in_use) ? "NO" : "YES");
724 return GNUNET_SYSERR;
726 if (old->used == in_use)
729 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
730 "Address in use called multiple times for peer `%s': %s -> %s \n",
732 (GNUNET_NO == old->used) ? "NO" : "YES",
733 (GNUNET_NO == in_use) ? "NO" : "YES");
734 return GNUNET_SYSERR;
739 GAS_mlp_address_update (mlp, addresses, old);
745 void request_address_mlp (const struct GNUNET_PeerIdentity *peer)
747 struct ATS_Address *aa;
751 /* Get preferred address from MLP */
752 struct ATS_PreferedAddress * paddr = NULL;
753 paddr = GAS_mlp_get_preferred_address (mlp, addresses, peer);
755 aa->assigned_bw_out = GNUNET_BANDWIDTH_value_init(paddr->bandwidth_out);
756 /* FIXME use bw in value */
757 paddr->bandwidth_in = paddr->bandwidth_out;
758 aa->assigned_bw_in = GNUNET_BANDWIDTH_value_init (paddr->bandwidth_in);
764 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
765 "Cannot suggest address for peer `%s'\n", GNUNET_i2s (peer));
768 if (aa->active == GNUNET_NO)
770 aa->active = GNUNET_YES;
773 send_bw_notification (aa);
777 /* just to be sure... */
778 GAS_scheduling_transmit_address_suggestion (peer, aa->plugin, aa->addr,
779 aa->addr_len, aa->session_id,
780 aa->ats, aa->ats_count,
787 void request_address_simple (const struct GNUNET_PeerIdentity *peer)
789 struct ATS_Address *aa;
792 /* Get address with: stick to current address, lower distance, lower latency */
793 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
794 &find_address_it, &aa);
797 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
798 "Cannot suggest address for peer `%s'\n", GNUNET_i2s (peer));
802 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
803 "Suggesting address %p for peer `%s'\n", aa, GNUNET_i2s (peer));
805 if (aa->active == GNUNET_NO)
807 aa->active = GNUNET_YES;
809 if (ats_mode == SIMPLE)
811 recalculate_assigned_bw ();
816 /* just to be sure... */
817 GAS_scheduling_transmit_address_suggestion (peer, aa->plugin, aa->addr,
818 aa->addr_len, aa->session_id,
819 aa->ats, aa->ats_count,
827 GAS_addresses_request_address (const struct GNUNET_PeerIdentity *peer)
829 if (GNUNET_NO == running)
832 if (ats_mode == SIMPLE)
834 request_address_simple (peer);
838 request_address_mlp(peer);
844 reset_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
846 struct ATS_Address *aa = value;
848 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
849 "Resetting interval for peer `%s' address %p from %llu to 0\n", GNUNET_i2s (&aa->peer), aa, aa->block_interval);
851 aa->blocked_until = GNUNET_TIME_UNIT_ZERO_ABS;
852 aa->block_interval = GNUNET_TIME_UNIT_ZERO;
857 GAS_addresses_handle_backoff_reset (const struct GNUNET_PeerIdentity *peer)
859 GNUNET_break (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple (addresses,
867 // FIXME: this function should likely end up in the LP-subsystem and
868 // not with 'addresses' in the future...
870 GAS_addresses_change_preference (const struct GNUNET_PeerIdentity *peer,
871 enum GNUNET_ATS_PreferenceKind kind,
874 if (GNUNET_NO == running)
878 GAS_mlp_address_change_preference (mlp, peer, kind, score);
885 * Initialize address subsystem.
887 * @param cfg configuration to use
888 * @param stats the statistics handle to use
891 GAS_addresses_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
892 const struct GNUNET_STATISTICS_Handle *stats)
896 char *quota_wan_in_str;
897 char *quota_wan_out_str;
901 addresses = GNUNET_CONTAINER_multihashmap_create (128);
902 GNUNET_assert (NULL != addresses);
904 if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_IN", "a_wan_in_str))
906 if (0 == strcmp(quota_wan_in_str, "unlimited") ||
907 (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_wan_in_str, &wan_quota_in)))
908 wan_quota_in = (UINT32_MAX) /10;
910 GNUNET_free (quota_wan_in_str);
911 quota_wan_in_str = NULL;
915 wan_quota_in = (UINT32_MAX) /10;
918 if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_OUT", "a_wan_out_str))
920 if (0 == strcmp(quota_wan_out_str, "unlimited") ||
921 (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_wan_out_str, &wan_quota_out)))
922 wan_quota_out = (UINT32_MAX) /10;
924 GNUNET_free (quota_wan_out_str);
925 quota_wan_out_str = NULL;
929 wan_quota_out = (UINT32_MAX) /10;
932 mode = GNUNET_CONFIGURATION_get_value_yesno (cfg, "ats", "MLP");
933 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MLP mode %u", mode);
940 /* Init the MLP solver with default values */
941 mlp = GAS_mlp_init (cfg, stats, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
944 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "MLP mode was configured, but libglpk is not installed, switching to simple mode\n");
945 GNUNET_STATISTICS_update (GSA_stats, "MLP mode enabled", 0, GNUNET_NO);
950 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 1, GNUNET_NO);
954 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "MLP mode was configured, but libglpk is not installed, switching to simple mode");
955 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO);
961 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO);
964 /* No configuration value */
966 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO);
972 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ATS started with %s mode\n", (SIMPLE == ats_mode) ? "SIMPLE" : "MLP");
973 running = GNUNET_YES;
978 * Free memory of address.
981 * @param key peer identity (unused)
982 * @param value the 'struct ATS_Address' to free
983 * @return GNUNET_OK (continue to iterate)
986 free_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
988 struct ATS_Address *aa = value;
990 destroy_address (aa);
996 GAS_addresses_destroy_all ()
998 if (GNUNET_NO == running)
1001 if (addresses != NULL)
1002 GNUNET_CONTAINER_multihashmap_iterate (addresses, &free_address_it, NULL);
1003 GNUNET_assert (active_addr_count == 0);
1008 * Shutdown address subsystem.
1011 GAS_addresses_done ()
1013 GAS_addresses_destroy_all ();
1014 running = GNUNET_NO;
1015 GNUNET_CONTAINER_multihashmap_destroy (addresses);
1018 if (ats_mode == MLP)
1027 /* end of gnunet-service-ats_addresses.c */