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.
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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 /* Find an matching exact address:
230 * aa->addr_len == cac->search->addr_len
231 * aa->plugin == cac->search->plugin
232 * aa->addr == cac->search->addr
233 * aa->session == cac->search->session
235 * return as exact address
237 if ((aa->addr_len == cac->search->addr_len) && (0 == strcmp (aa->plugin, cac->search->plugin)))
239 if ((0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)) && (aa->session_id == cac->search->session_id))
240 cac->exact_address = aa;
243 /* Find an matching base address:
247 * aa->session_id == 0
250 * aa->addr_len == cac->search->addr_len
251 * aa->plugin == cac->search->plugin
252 * aa->addr == cac->search->addr
254 * return as base address
256 if ((aa->addr_len == cac->search->addr_len) && (0 == strcmp (aa->plugin, cac->search->plugin)))
258 if ((0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)) && (aa->session_id == 0))
259 cac->base_address = aa;
262 /* Find an matching exact address based on session:
266 * cac->search->addr_len == 0
270 * aa->plugin == cac->search->plugin
271 * aa->session_id == cac->search->session_id
273 * return as exact address
275 if ((0 == cac->search->addr_len) && (NULL == cac->search->addr))
277 if ((0 == strcmp (aa->plugin, cac->search->plugin)) && (aa->session_id == cac->search->session_id))
278 cac->exact_address = aa;
281 if (cac->exact_address == NULL)
282 return GNUNET_YES; /* Continue iteration to find exact address */
284 return GNUNET_NO; /* Stop iteration since we have an exact address */
289 * Find an existing equivalent address record.
290 * Compares by peer identity and network address OR by session ID
291 * (one of the two must match).
293 * @param peer peer to lookup addresses for
294 * @param addr existing address record
295 * @return existing address record, NULL for none
298 find_address (const struct GNUNET_PeerIdentity *peer,
299 const struct ATS_Address *addr)
301 struct CompareAddressContext cac;
303 cac.exact_address = NULL;
304 cac.base_address = NULL;
306 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
307 &compare_address_it, &cac);
310 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
311 "exact address: %s base address: %s\n",
312 (cac.exact_address != NULL) ? "YES" : "NO",
313 (cac.base_address != NULL) ? "YES" : "NO");
315 if (cac.exact_address == NULL)
316 return cac.base_address;
317 return cac.exact_address;
321 static struct ATS_Address *
322 lookup_address (const struct GNUNET_PeerIdentity *peer,
323 const char *plugin_name, const void *plugin_addr,
324 size_t plugin_addr_len, uint32_t session_id,
325 const struct GNUNET_ATS_Information *atsi,
328 struct ATS_Address *aa;
329 struct ATS_Address *old;
331 aa = create_address (peer,
333 plugin_addr, plugin_addr_len,
336 aa->mlp_information = NULL;
337 aa->ats = GNUNET_malloc (atsi_count * sizeof (struct GNUNET_ATS_Information));
338 aa->ats_count = atsi_count;
339 memcpy (aa->ats, atsi, atsi_count * sizeof (struct GNUNET_ATS_Information));
341 /* Get existing address or address with session == 0 */
342 old = find_address (peer, aa);
348 else if (old->session_id != session_id)
359 compare_address_session_it (void *cls, const struct GNUNET_HashCode * key, void *value)
361 struct CompareAddressContext *cac = cls;
362 struct ATS_Address *aa = value;
364 if ((aa->addr_len == cac->search->addr_len) && (0 == strcmp (aa->plugin, cac->search->plugin)))
366 if ((0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)) && (aa->session_id == cac->search->session_id))
368 cac->exact_address = aa;
377 * Find an existing equivalent address record.
378 * Compares by peer identity and network address AND by session ID
379 * (one of the two must match).
381 * @param peer peer to lookup addresses for
382 * @param addr existing address record
383 * @return existing address record, NULL for none
386 find_exact_address (const struct GNUNET_PeerIdentity *peer,
387 const struct ATS_Address *addr)
389 struct CompareAddressContext cac;
391 cac.exact_address = NULL;
393 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
394 &compare_address_session_it, &cac);
395 return cac.exact_address;
400 GAS_addresses_add (const struct GNUNET_PeerIdentity *peer,
401 const char *plugin_name, const void *plugin_addr,
402 size_t plugin_addr_len, uint32_t session_id,
403 const struct GNUNET_ATS_Information *atsi,
406 struct ATS_Address *aa;
407 struct ATS_Address *old;
409 if (GNUNET_NO == running)
412 GNUNET_assert (NULL != addresses);
414 aa = create_address (peer,
416 plugin_addr, plugin_addr_len,
419 aa->mlp_information = NULL;
420 aa->ats = GNUNET_malloc (atsi_count * sizeof (struct GNUNET_ATS_Information));
421 aa->ats_count = atsi_count;
422 memcpy (aa->ats, atsi, atsi_count * sizeof (struct GNUNET_ATS_Information));
424 /* Get existing address or address with session == 0 */
425 old = find_address (peer, aa);
428 /* We have a new address */
429 GNUNET_assert (GNUNET_OK ==
430 GNUNET_CONTAINER_multihashmap_put (addresses,
431 &peer->hashPubKey, aa,
432 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
433 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Added new address for peer `%s' session id %u, %p\n",
434 GNUNET_i2s (peer), session_id, aa);
438 if (old->session_id == 0)
440 /* We have a base address with out an session, update this address */
441 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
442 "Updated existing address for peer `%s' %p with new session %u\n",
443 GNUNET_i2s (peer), old, session_id);
444 GNUNET_free_non_null (old->ats);
445 old->session_id = session_id;
449 old->ats_count = aa->ats_count;
450 GNUNET_free (aa->plugin);
455 /* This address and session is already existing */
456 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
457 "Added already existing address for peer `%s' `%s' %p with new session %u\n",
458 GNUNET_i2s (peer), plugin_name, session_id);
464 GAS_addresses_update (const struct GNUNET_PeerIdentity *peer,
465 const char *plugin_name, const void *plugin_addr,
466 size_t plugin_addr_len, uint32_t session_id,
467 const struct GNUNET_ATS_Information *atsi,
470 struct ATS_Address *old;
473 if (GNUNET_NO == running)
476 GNUNET_assert (NULL != addresses);
478 /* Get existing address */
479 old = lookup_address (peer, plugin_name, plugin_addr, plugin_addr_len,
480 session_id, atsi, atsi_count);
483 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Tried to update unknown address for peer `%s' `%s' session id %u\n",
484 GNUNET_i2s (peer), plugin_name, session_id);
489 for (i = 0; i < atsi_count; i++)
490 switch (ntohl (atsi[i].type))
492 case GNUNET_ATS_UTILIZATION_UP:
493 old->atsp_utilization_out.value__ = atsi[i].value;
495 case GNUNET_ATS_UTILIZATION_DOWN:
496 old->atsp_utilization_in.value__ = atsi[i].value;
498 case GNUNET_ATS_QUALITY_NET_DELAY:
499 old->atsp_latency.rel_value = ntohl (atsi[i].value);
501 case GNUNET_ATS_QUALITY_NET_DISTANCE:
502 old->atsp_distance = ntohl (atsi[i].value);
504 case GNUNET_ATS_COST_WAN:
505 old->atsp_cost_wan = ntohl (atsi[i].value);
507 case GNUNET_ATS_COST_LAN:
508 old->atsp_cost_lan = ntohl (atsi[i].value);
510 case GNUNET_ATS_COST_WLAN:
511 old->atsp_cost_wlan = ntohl (atsi[i].value);
513 case GNUNET_ATS_NETWORK_TYPE:
514 old->atsp_network_type = ntohl (atsi[i].value);
518 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
519 "Received unsupported ATS type %u\n", ntohl (atsi[i].type));
525 GAS_mlp_address_update (mlp, addresses, old);
533 * If session != 0, just the session is deleted, the address itself still exists
534 * If session == 0, remove full address
535 * If session == 0 and addrlen == 0, destroy inbound address
539 * @param value the 'struct ATS_Address'
540 * @return GNUNET_OK (continue to iterate)
543 destroy_by_session_id (void *cls, const struct GNUNET_HashCode * key, void *value)
545 const struct ATS_Address *info = cls;
546 struct ATS_Address *aa = value;
549 memcmp (&aa->peer, &info->peer,
550 sizeof (struct GNUNET_PeerIdentity)));
551 /* session == 0, remove full address */
552 if ((info->session_id == 0) && (0 == strcmp (info->plugin, aa->plugin)) &&
553 (aa->addr_len == info->addr_len) &&
554 (0 == memcmp (info->addr, aa->addr, aa->addr_len)))
557 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
558 "Deleting address for peer `%s': `%s' %u\n",
559 GNUNET_i2s (&aa->peer), aa->plugin, aa->session_id);
561 if (GNUNET_YES == destroy_address (aa))
562 recalculate_assigned_bw ();
565 /* session != 0, just remove session */
566 if (aa->session_id != info->session_id)
567 return GNUNET_OK; /* irrelevant */
568 if (aa->session_id != 0)
569 GNUNET_break (0 == strcmp (info->plugin, aa->plugin));
572 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
573 "Deleting session for peer `%s': `%s' %u\n",
574 GNUNET_i2s (&aa->peer), aa->plugin, aa->session_id);
578 if (GNUNET_YES == aa->active)
580 aa->active = GNUNET_NO;
582 recalculate_assigned_bw ();
585 /* session == 0 and addrlen == 0 : destroy address */
586 if (aa->addr_len == 0)
589 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
590 "Deleting session and address for peer `%s': `%s' %u\n",
591 GNUNET_i2s (&aa->peer), aa->plugin, aa->session_id);
593 (void) destroy_address (aa);
597 /* session was set to 0, update address */
600 GAS_mlp_address_update (mlp, addresses, aa);
608 GAS_addresses_destroy (const struct GNUNET_PeerIdentity *peer,
609 const char *plugin_name, const void *plugin_addr,
610 size_t plugin_addr_len, uint32_t session_id)
612 struct ATS_Address *aa;
613 struct ATS_Address *old;
615 if (GNUNET_NO == running)
618 /* Get existing address */
619 old = lookup_address(peer, plugin_name, plugin_addr, plugin_addr_len,
620 session_id, NULL, 0);
623 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Tried to destroy unknown address for peer `%s' `%s' session id %u\n",
624 GNUNET_i2s (peer), plugin_name, session_id);
630 GNUNET_break (0 < strlen (plugin_name));
631 aa = create_address (peer, plugin_name, plugin_addr, plugin_addr_len, session_id);
633 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
634 &destroy_by_session_id, aa);
641 * Find a "good" address to use for a peer. If we already have an existing
642 * address, we stick to it. Otherwise, we pick by lowest distance and then
645 * @param cls the 'struct ATS_Address**' where we store the result
647 * @param value another 'struct ATS_Address*' to consider using
648 * @return GNUNET_OK (continue to iterate)
651 find_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
653 struct ATS_Address **ap = cls;
654 struct ATS_Address *aa = (struct ATS_Address *) value;
655 struct ATS_Address *ab = *ap;
656 struct GNUNET_TIME_Absolute now;
658 now = GNUNET_TIME_absolute_get();
660 if (aa->blocked_until.abs_value == GNUNET_TIME_absolute_max (now, aa->blocked_until).abs_value)
662 /* This address is blocked for suggestion */
663 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
664 "Address %p blocked for suggestion for %llu ms \n",
666 GNUNET_TIME_absolute_get_difference(now, aa->blocked_until).rel_value);
670 aa->block_interval = GNUNET_TIME_relative_add (aa->block_interval, ATS_BLOCKING_DELTA);
671 aa->blocked_until = GNUNET_TIME_absolute_add (now, aa->block_interval);
673 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
674 "Address %p ready for suggestion, block interval now %llu \n", aa, aa->block_interval);
676 /* FIXME this is a hack */
681 if ((0 == strcmp (ab->plugin, "tcp")) &&
682 (0 == strcmp (aa->plugin, "tcp")))
684 if ((0 != ab->addr_len) &&
687 /* saved address was an outbound address, but we have an inbound address */
691 if (0 == ab->addr_len)
693 /* saved address was an inbound address, so do not overwrite */
698 /* FIXME end of hack */
705 if ((ntohl (ab->assigned_bw_in.value__) == 0) &&
706 (ntohl (aa->assigned_bw_in.value__) > 0))
708 /* stick to existing connection */
712 if (ab->atsp_distance > aa->atsp_distance)
714 /* user shorter distance */
718 if (ab->atsp_latency.rel_value > aa->atsp_latency.rel_value)
720 /* user lower latency */
730 GAS_addresses_in_use (const struct GNUNET_PeerIdentity *peer,
731 const char *plugin_name, const void *plugin_addr,
732 size_t plugin_addr_len, uint32_t session_id, int in_use)
735 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
736 "Received `%s' message for peer `%s': %i\n", "ADDRESS_IN_USE",
737 GNUNET_i2s (peer), in_use);
740 struct ATS_Address *old;
742 if (GNUNET_NO == running)
743 return GNUNET_SYSERR;
745 old = lookup_address (peer, plugin_name, plugin_addr, plugin_addr_len, session_id, NULL, 0);
748 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
749 "Trying to set unknown address `%s', %s %u %s \n",
751 plugin_name, session_id,
752 (GNUNET_NO == in_use) ? "NO" : "YES");
754 return GNUNET_SYSERR;
756 if (old->used == in_use)
759 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
760 "Address in use called multiple times for peer `%s': %s -> %s \n",
762 (GNUNET_NO == old->used) ? "NO" : "YES",
763 (GNUNET_NO == in_use) ? "NO" : "YES");
764 return GNUNET_SYSERR;
769 GAS_mlp_address_update (mlp, addresses, old);
775 void request_address_mlp (const struct GNUNET_PeerIdentity *peer)
777 struct ATS_Address *aa;
781 /* Get preferred address from MLP */
782 struct ATS_PreferedAddress * paddr = NULL;
783 paddr = GAS_mlp_get_preferred_address (mlp, addresses, peer);
785 aa->assigned_bw_out = GNUNET_BANDWIDTH_value_init(paddr->bandwidth_out);
786 /* FIXME use bw in value */
787 paddr->bandwidth_in = paddr->bandwidth_out;
788 aa->assigned_bw_in = GNUNET_BANDWIDTH_value_init (paddr->bandwidth_in);
794 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
795 "Cannot suggest address for peer `%s'\n", GNUNET_i2s (peer));
798 if (aa->active == GNUNET_NO)
800 aa->active = GNUNET_YES;
803 send_bw_notification (aa);
807 /* just to be sure... */
808 GAS_scheduling_transmit_address_suggestion (peer, aa->plugin, aa->addr,
809 aa->addr_len, aa->session_id,
810 aa->ats, aa->ats_count,
817 void request_address_simple (const struct GNUNET_PeerIdentity *peer)
819 struct ATS_Address *aa;
822 /* Get address with: stick to current address, lower distance, lower latency */
823 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
824 &find_address_it, &aa);
827 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
828 "Cannot suggest address for peer `%s'\n", GNUNET_i2s (peer));
832 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
833 "Suggesting address %p for peer `%s'\n", aa, GNUNET_i2s (peer));
835 if (aa->active == GNUNET_NO)
837 aa->active = GNUNET_YES;
839 if (ats_mode == SIMPLE)
841 recalculate_assigned_bw ();
846 /* just to be sure... */
847 GAS_scheduling_transmit_address_suggestion (peer, aa->plugin, aa->addr,
848 aa->addr_len, aa->session_id,
849 aa->ats, aa->ats_count,
857 GAS_addresses_request_address (const struct GNUNET_PeerIdentity *peer)
859 if (GNUNET_NO == running)
862 if (ats_mode == SIMPLE)
864 request_address_simple (peer);
868 request_address_mlp(peer);
874 reset_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
876 struct ATS_Address *aa = value;
878 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
879 "Resetting interval for peer `%s' address %p from %llu to 0\n", GNUNET_i2s (&aa->peer), aa, aa->block_interval);
881 aa->blocked_until = GNUNET_TIME_UNIT_ZERO_ABS;
882 aa->block_interval = GNUNET_TIME_UNIT_ZERO;
887 GAS_addresses_handle_backoff_reset (const struct GNUNET_PeerIdentity *peer)
889 GNUNET_break (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple (addresses,
897 // FIXME: this function should likely end up in the LP-subsystem and
898 // not with 'addresses' in the future...
900 GAS_addresses_change_preference (const struct GNUNET_PeerIdentity *peer,
901 enum GNUNET_ATS_PreferenceKind kind,
904 if (GNUNET_NO == running)
908 GAS_mlp_address_change_preference (mlp, peer, kind, score);
915 * Initialize address subsystem.
917 * @param cfg configuration to use
918 * @param stats the statistics handle to use
921 GAS_addresses_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
922 const struct GNUNET_STATISTICS_Handle *stats)
926 char *quota_wan_in_str;
927 char *quota_wan_out_str;
931 addresses = GNUNET_CONTAINER_multihashmap_create (128);
932 GNUNET_assert (NULL != addresses);
934 if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_IN", "a_wan_in_str))
936 if (0 == strcmp(quota_wan_in_str, "unlimited") ||
937 (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_wan_in_str, &wan_quota_in)))
938 wan_quota_in = (UINT32_MAX) /10;
940 GNUNET_free (quota_wan_in_str);
941 quota_wan_in_str = NULL;
945 wan_quota_in = (UINT32_MAX) /10;
948 if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_OUT", "a_wan_out_str))
950 if (0 == strcmp(quota_wan_out_str, "unlimited") ||
951 (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_wan_out_str, &wan_quota_out)))
952 wan_quota_out = (UINT32_MAX) /10;
954 GNUNET_free (quota_wan_out_str);
955 quota_wan_out_str = NULL;
959 wan_quota_out = (UINT32_MAX) /10;
962 mode = GNUNET_CONFIGURATION_get_value_yesno (cfg, "ats", "MLP");
963 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MLP mode %u", mode);
970 /* Init the MLP solver with default values */
971 mlp = GAS_mlp_init (cfg, stats, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
974 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "MLP mode was configured, but libglpk is not installed, switching to simple mode\n");
975 GNUNET_STATISTICS_update (GSA_stats, "MLP mode enabled", 0, GNUNET_NO);
980 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 1, GNUNET_NO);
984 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "MLP mode was configured, but libglpk is not installed, switching to simple mode");
985 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO);
991 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO);
994 /* No configuration value */
996 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO);
1002 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ATS started with %s mode\n", (SIMPLE == ats_mode) ? "SIMPLE" : "MLP");
1003 running = GNUNET_YES;
1008 * Free memory of address.
1011 * @param key peer identity (unused)
1012 * @param value the 'struct ATS_Address' to free
1013 * @return GNUNET_OK (continue to iterate)
1016 free_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
1018 struct ATS_Address *aa = value;
1020 destroy_address (aa);
1026 GAS_addresses_destroy_all ()
1028 if (GNUNET_NO == running)
1031 if (addresses != NULL)
1032 GNUNET_CONTAINER_multihashmap_iterate (addresses, &free_address_it, NULL);
1033 GNUNET_assert (active_addr_count == 0);
1038 * Shutdown address subsystem.
1041 GAS_addresses_done ()
1043 GAS_addresses_destroy_all ();
1044 running = GNUNET_NO;
1045 GNUNET_CONTAINER_multihashmap_destroy (addresses);
1048 if (ats_mode == MLP)
1057 /* end of gnunet-service-ats_addresses.c */