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 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Comparing peer %4s: address length %u session %u <-> address length %u session %u\n",
229 aa->addr_len, aa->session_id,
230 cac->search->addr_len, cac->search->session_id);
232 /* Find an matching exact address:
235 * aa->addr_len == cac->search->addr_len
236 * aa->plugin == cac->search->plugin
237 * aa->addr == cac->search->addr
238 * aa->session == cac->search->session
240 * return as exact address
242 if ((aa->addr_len == cac->search->addr_len) && (0 == strcmp (aa->plugin, cac->search->plugin)))
244 if ((0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)) && (aa->session_id == cac->search->session_id))
245 cac->exact_address = aa;
248 /* Find an matching base address:
252 * aa->session_id == 0
255 * aa->addr_len == cac->search->addr_len
256 * aa->plugin == cac->search->plugin
257 * aa->addr == cac->search->addr
259 * return as base address
261 if ((aa->addr_len == cac->search->addr_len) && (0 == strcmp (aa->plugin, cac->search->plugin)))
263 if ((0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)) && (aa->session_id == 0))
264 cac->base_address = aa;
267 /* Find an matching exact address based on session:
271 * cac->search->addr_len == 0
274 * aa->plugin == cac->search->plugin
275 * aa->session_id == cac->search->session_id
277 * return as exact address
279 if (0 == cac->search->addr_len)
281 if ((0 == strcmp (aa->plugin, cac->search->plugin)) && (aa->session_id == cac->search->session_id))
282 cac->exact_address = aa;
285 if (cac->exact_address == NULL)
286 return GNUNET_YES; /* Continue iteration to find exact address */
288 return GNUNET_NO; /* Stop iteration since we have an exact address */
293 * Find an existing equivalent address record.
294 * Compares by peer identity and network address OR by session ID
295 * (one of the two must match).
297 * @param peer peer to lookup addresses for
298 * @param addr existing address record
299 * @return existing address record, NULL for none
302 find_address (const struct GNUNET_PeerIdentity *peer,
303 const struct ATS_Address *addr)
305 struct CompareAddressContext cac;
307 cac.exact_address = NULL;
308 cac.base_address = NULL;
310 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
311 &compare_address_it, &cac);
314 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
315 "Found exact address: %s base address: %s\n",
316 (cac.exact_address != NULL) ? "YES" : "NO",
317 (cac.base_address != NULL) ? "YES" : "NO");
319 if (cac.exact_address == NULL)
320 return cac.base_address;
321 return cac.exact_address;
325 static struct ATS_Address *
326 lookup_address (const struct GNUNET_PeerIdentity *peer,
327 const char *plugin_name, const void *plugin_addr,
328 size_t plugin_addr_len, uint32_t session_id,
329 const struct GNUNET_ATS_Information *atsi,
332 struct ATS_Address *aa;
333 struct ATS_Address *old;
335 aa = create_address (peer,
337 plugin_addr, plugin_addr_len,
340 aa->mlp_information = NULL;
341 aa->ats = GNUNET_malloc (atsi_count * sizeof (struct GNUNET_ATS_Information));
342 aa->ats_count = atsi_count;
343 memcpy (aa->ats, atsi, atsi_count * sizeof (struct GNUNET_ATS_Information));
345 /* Get existing address or address with session == 0 */
346 old = find_address (peer, aa);
352 else if (old->session_id != session_id)
363 compare_address_session_it (void *cls, const struct GNUNET_HashCode * key, void *value)
365 struct CompareAddressContext *cac = cls;
366 struct ATS_Address *aa = value;
368 if ((aa->addr_len == cac->search->addr_len) && (0 == strcmp (aa->plugin, cac->search->plugin)))
370 if ((0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)) && (aa->session_id == cac->search->session_id))
372 cac->exact_address = aa;
381 * Find an existing equivalent address record.
382 * Compares by peer identity and network address AND by session ID
383 * (one of the two must match).
385 * @param peer peer to lookup addresses for
386 * @param addr existing address record
387 * @return existing address record, NULL for none
390 find_exact_address (const struct GNUNET_PeerIdentity *peer,
391 const struct ATS_Address *addr)
393 struct CompareAddressContext cac;
395 cac.exact_address = NULL;
397 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
398 &compare_address_session_it, &cac);
399 return cac.exact_address;
404 GAS_addresses_add (const struct GNUNET_PeerIdentity *peer,
405 const char *plugin_name, const void *plugin_addr,
406 size_t plugin_addr_len, uint32_t session_id,
407 const struct GNUNET_ATS_Information *atsi,
410 struct ATS_Address *aa;
411 struct ATS_Address *old;
413 if (GNUNET_NO == running)
416 GNUNET_assert (NULL != addresses);
418 aa = create_address (peer,
420 plugin_addr, plugin_addr_len,
423 aa->mlp_information = NULL;
424 aa->ats = GNUNET_malloc (atsi_count * sizeof (struct GNUNET_ATS_Information));
425 aa->ats_count = atsi_count;
426 memcpy (aa->ats, atsi, atsi_count * sizeof (struct GNUNET_ATS_Information));
428 /* Get existing address or address with session == 0 */
429 old = find_address (peer, aa);
432 /* We have a new address */
433 GNUNET_assert (GNUNET_OK ==
434 GNUNET_CONTAINER_multihashmap_put (addresses,
435 &peer->hashPubKey, aa,
436 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
437 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Added new address for peer `%s' session id %u, %p\n",
438 GNUNET_i2s (peer), session_id, aa);
442 if (old->session_id == 0)
444 /* We have a base address with out an session, update this address */
445 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
446 "Updated existing address for peer `%s' %p with new session %u\n",
447 GNUNET_i2s (peer), old, session_id);
448 GNUNET_free_non_null (old->ats);
449 old->session_id = session_id;
453 old->ats_count = aa->ats_count;
454 GNUNET_free (aa->plugin);
459 /* This address and session is already existing */
460 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
461 "Added already existing address for peer `%s' `%s' %p with new session %u\n",
462 GNUNET_i2s (peer), plugin_name, session_id);
468 GAS_addresses_update (const struct GNUNET_PeerIdentity *peer,
469 const char *plugin_name, const void *plugin_addr,
470 size_t plugin_addr_len, uint32_t session_id,
471 const struct GNUNET_ATS_Information *atsi,
474 struct ATS_Address *old;
477 if (GNUNET_NO == running)
480 GNUNET_assert (NULL != addresses);
482 /* Get existing address */
483 old = lookup_address (peer, plugin_name, plugin_addr, plugin_addr_len,
484 session_id, atsi, atsi_count);
487 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Tried to update unknown address for peer `%s' `%s' session id %u\n",
488 GNUNET_i2s (peer), plugin_name, session_id);
493 for (i = 0; i < atsi_count; i++)
494 switch (ntohl (atsi[i].type))
496 case GNUNET_ATS_UTILIZATION_UP:
497 old->atsp_utilization_out.value__ = atsi[i].value;
499 case GNUNET_ATS_UTILIZATION_DOWN:
500 old->atsp_utilization_in.value__ = atsi[i].value;
502 case GNUNET_ATS_QUALITY_NET_DELAY:
503 old->atsp_latency.rel_value = ntohl (atsi[i].value);
505 case GNUNET_ATS_QUALITY_NET_DISTANCE:
506 old->atsp_distance = ntohl (atsi[i].value);
508 case GNUNET_ATS_COST_WAN:
509 old->atsp_cost_wan = ntohl (atsi[i].value);
511 case GNUNET_ATS_COST_LAN:
512 old->atsp_cost_lan = ntohl (atsi[i].value);
514 case GNUNET_ATS_COST_WLAN:
515 old->atsp_cost_wlan = ntohl (atsi[i].value);
517 case GNUNET_ATS_NETWORK_TYPE:
518 old->atsp_network_type = ntohl (atsi[i].value);
522 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
523 "Received unsupported ATS type %u\n", ntohl (atsi[i].type));
529 GAS_mlp_address_update (mlp, addresses, old);
537 * If session != 0, just the session is deleted, the address itself still exists
538 * If session == 0, remove full address
539 * If session == 0 and addrlen == 0, destroy inbound address
543 * @param value the 'struct ATS_Address'
544 * @return GNUNET_OK (continue to iterate)
547 destroy_by_session_id (void *cls, const struct GNUNET_HashCode * key, void *value)
549 const struct ATS_Address *info = cls;
550 struct ATS_Address *aa = value;
553 memcmp (&aa->peer, &info->peer,
554 sizeof (struct GNUNET_PeerIdentity)));
555 /* session == 0, remove full address */
556 if ((info->session_id == 0) && (0 == strcmp (info->plugin, aa->plugin)) &&
557 (aa->addr_len == info->addr_len) &&
558 (0 == memcmp (info->addr, aa->addr, aa->addr_len)))
561 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
562 "Deleting address for peer `%s': `%s' %u\n",
563 GNUNET_i2s (&aa->peer), aa->plugin, aa->session_id);
565 if (GNUNET_YES == destroy_address (aa))
566 recalculate_assigned_bw ();
569 /* session != 0, just remove session */
570 if (aa->session_id != info->session_id)
571 return GNUNET_OK; /* irrelevant */
572 if (aa->session_id != 0)
573 GNUNET_break (0 == strcmp (info->plugin, aa->plugin));
576 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
577 "Deleting session for peer `%s': `%s' %u\n",
578 GNUNET_i2s (&aa->peer), aa->plugin, aa->session_id);
582 if (GNUNET_YES == aa->active)
584 aa->active = GNUNET_NO;
586 recalculate_assigned_bw ();
589 /* session == 0 and addrlen == 0 : destroy address */
590 if (aa->addr_len == 0)
593 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
594 "Deleting session and address for peer `%s': `%s' %u\n",
595 GNUNET_i2s (&aa->peer), aa->plugin, aa->session_id);
597 (void) destroy_address (aa);
601 /* session was set to 0, update address */
604 GAS_mlp_address_update (mlp, addresses, aa);
612 GAS_addresses_destroy (const struct GNUNET_PeerIdentity *peer,
613 const char *plugin_name, const void *plugin_addr,
614 size_t plugin_addr_len, uint32_t session_id)
616 struct ATS_Address *aa;
617 struct ATS_Address *old;
619 if (GNUNET_NO == running)
622 /* Get existing address */
623 old = lookup_address (peer, plugin_name, plugin_addr, plugin_addr_len,
624 session_id, NULL, 0);
627 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Tried to destroy unknown address for peer `%s' `%s' session id %u\n",
628 GNUNET_i2s (peer), plugin_name, session_id);
634 GNUNET_break (0 < strlen (plugin_name));
635 aa = create_address (peer, plugin_name, plugin_addr, plugin_addr_len, session_id);
637 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
638 &destroy_by_session_id, aa);
645 * Find a "good" address to use for a peer. If we already have an existing
646 * address, we stick to it. Otherwise, we pick by lowest distance and then
649 * @param cls the 'struct ATS_Address**' where we store the result
651 * @param value another 'struct ATS_Address*' to consider using
652 * @return GNUNET_OK (continue to iterate)
655 find_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
657 struct ATS_Address **ap = cls;
658 struct ATS_Address *aa = (struct ATS_Address *) value;
659 struct ATS_Address *ab = *ap;
660 struct GNUNET_TIME_Absolute now;
662 now = GNUNET_TIME_absolute_get();
664 if (aa->blocked_until.abs_value == GNUNET_TIME_absolute_max (now, aa->blocked_until).abs_value)
666 /* This address is blocked for suggestion */
667 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
668 "Address %p blocked for suggestion for %llu ms \n",
670 GNUNET_TIME_absolute_get_difference(now, aa->blocked_until).rel_value);
674 aa->block_interval = GNUNET_TIME_relative_add (aa->block_interval, ATS_BLOCKING_DELTA);
675 aa->blocked_until = GNUNET_TIME_absolute_add (now, aa->block_interval);
677 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
678 "Address %p ready for suggestion, block interval now %llu \n", aa, aa->block_interval);
680 /* FIXME this is a hack */
685 if ((0 == strcmp (ab->plugin, "tcp")) &&
686 (0 == strcmp (aa->plugin, "tcp")))
688 if ((0 != ab->addr_len) &&
691 /* saved address was an outbound address, but we have an inbound address */
695 if (0 == ab->addr_len)
697 /* saved address was an inbound address, so do not overwrite */
702 /* FIXME end of hack */
709 if ((ntohl (ab->assigned_bw_in.value__) == 0) &&
710 (ntohl (aa->assigned_bw_in.value__) > 0))
712 /* stick to existing connection */
716 if (ab->atsp_distance > aa->atsp_distance)
718 /* user shorter distance */
722 if (ab->atsp_latency.rel_value > aa->atsp_latency.rel_value)
724 /* user lower latency */
734 GAS_addresses_in_use (const struct GNUNET_PeerIdentity *peer,
735 const char *plugin_name, const void *plugin_addr,
736 size_t plugin_addr_len, uint32_t session_id, int in_use)
739 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
740 "Received `%s' message for peer `%s': %i\n", "ADDRESS_IN_USE",
741 GNUNET_i2s (peer), in_use);
744 struct ATS_Address *old;
746 if (GNUNET_NO == running)
747 return GNUNET_SYSERR;
749 old = lookup_address (peer, plugin_name, plugin_addr, plugin_addr_len, session_id, NULL, 0);
752 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
753 "Trying to set unknown address `%s', %s %u %s \n",
755 plugin_name, session_id,
756 (GNUNET_NO == in_use) ? "NO" : "YES");
758 return GNUNET_SYSERR;
760 if (old->used == in_use)
763 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
764 "Address in use called multiple times for peer `%s': %s -> %s \n",
766 (GNUNET_NO == old->used) ? "NO" : "YES",
767 (GNUNET_NO == in_use) ? "NO" : "YES");
768 return GNUNET_SYSERR;
773 GAS_mlp_address_update (mlp, addresses, old);
779 void request_address_mlp (const struct GNUNET_PeerIdentity *peer)
781 struct ATS_Address *aa;
785 /* Get preferred address from MLP */
786 struct ATS_PreferedAddress * paddr = NULL;
787 paddr = GAS_mlp_get_preferred_address (mlp, addresses, peer);
789 aa->assigned_bw_out = GNUNET_BANDWIDTH_value_init(paddr->bandwidth_out);
790 /* FIXME use bw in value */
791 paddr->bandwidth_in = paddr->bandwidth_out;
792 aa->assigned_bw_in = GNUNET_BANDWIDTH_value_init (paddr->bandwidth_in);
798 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
799 "Cannot suggest address for peer `%s'\n", GNUNET_i2s (peer));
802 if (aa->active == GNUNET_NO)
804 aa->active = GNUNET_YES;
807 send_bw_notification (aa);
811 /* just to be sure... */
812 GAS_scheduling_transmit_address_suggestion (peer, aa->plugin, aa->addr,
813 aa->addr_len, aa->session_id,
814 aa->ats, aa->ats_count,
821 void request_address_simple (const struct GNUNET_PeerIdentity *peer)
823 struct ATS_Address *aa;
826 /* Get address with: stick to current address, lower distance, lower latency */
827 GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
828 &find_address_it, &aa);
831 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
832 "Cannot suggest address for peer `%s'\n", GNUNET_i2s (peer));
836 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
837 "Suggesting address %p for peer `%s'\n", aa, GNUNET_i2s (peer));
839 if (aa->active == GNUNET_NO)
841 aa->active = GNUNET_YES;
843 if (ats_mode == SIMPLE)
845 recalculate_assigned_bw ();
850 /* just to be sure... */
851 GAS_scheduling_transmit_address_suggestion (peer, aa->plugin, aa->addr,
852 aa->addr_len, aa->session_id,
853 aa->ats, aa->ats_count,
861 GAS_addresses_request_address (const struct GNUNET_PeerIdentity *peer)
863 if (GNUNET_NO == running)
866 if (ats_mode == SIMPLE)
868 request_address_simple (peer);
872 request_address_mlp(peer);
878 reset_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
880 struct ATS_Address *aa = value;
882 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
883 "Resetting interval for peer `%s' address %p from %llu to 0\n", GNUNET_i2s (&aa->peer), aa, aa->block_interval);
885 aa->blocked_until = GNUNET_TIME_UNIT_ZERO_ABS;
886 aa->block_interval = GNUNET_TIME_UNIT_ZERO;
891 GAS_addresses_handle_backoff_reset (const struct GNUNET_PeerIdentity *peer)
893 GNUNET_break (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple (addresses,
901 // FIXME: this function should likely end up in the LP-subsystem and
902 // not with 'addresses' in the future...
904 GAS_addresses_change_preference (const struct GNUNET_PeerIdentity *peer,
905 enum GNUNET_ATS_PreferenceKind kind,
908 if (GNUNET_NO == running)
912 GAS_mlp_address_change_preference (mlp, peer, kind, score);
919 * Initialize address subsystem.
921 * @param cfg configuration to use
922 * @param stats the statistics handle to use
925 GAS_addresses_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
926 const struct GNUNET_STATISTICS_Handle *stats)
930 char *quota_wan_in_str;
931 char *quota_wan_out_str;
935 addresses = GNUNET_CONTAINER_multihashmap_create (128);
936 GNUNET_assert (NULL != addresses);
938 if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_IN", "a_wan_in_str))
940 if (0 == strcmp(quota_wan_in_str, "unlimited") ||
941 (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_wan_in_str, &wan_quota_in)))
942 wan_quota_in = (UINT32_MAX) /10;
944 GNUNET_free (quota_wan_in_str);
945 quota_wan_in_str = NULL;
949 wan_quota_in = (UINT32_MAX) /10;
952 if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_OUT", "a_wan_out_str))
954 if (0 == strcmp(quota_wan_out_str, "unlimited") ||
955 (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_wan_out_str, &wan_quota_out)))
956 wan_quota_out = (UINT32_MAX) /10;
958 GNUNET_free (quota_wan_out_str);
959 quota_wan_out_str = NULL;
963 wan_quota_out = (UINT32_MAX) /10;
966 mode = GNUNET_CONFIGURATION_get_value_yesno (cfg, "ats", "MLP");
967 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MLP mode %u", mode);
974 /* Init the MLP solver with default values */
975 mlp = GAS_mlp_init (cfg, stats, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
978 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "MLP mode was configured, but libglpk is not installed, switching to simple mode\n");
979 GNUNET_STATISTICS_update (GSA_stats, "MLP mode enabled", 0, GNUNET_NO);
984 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 1, GNUNET_NO);
988 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "MLP mode was configured, but libglpk is not installed, switching to simple mode");
989 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO);
995 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO);
998 /* No configuration value */
1000 GNUNET_STATISTICS_update (GSA_stats, "MLP enabled", 0, GNUNET_NO);
1006 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ATS started with %s mode\n", (SIMPLE == ats_mode) ? "SIMPLE" : "MLP");
1007 running = GNUNET_YES;
1012 * Free memory of address.
1015 * @param key peer identity (unused)
1016 * @param value the 'struct ATS_Address' to free
1017 * @return GNUNET_OK (continue to iterate)
1020 free_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
1022 struct ATS_Address *aa = value;
1024 destroy_address (aa);
1030 GAS_addresses_destroy_all ()
1032 if (GNUNET_NO == running)
1035 if (addresses != NULL)
1036 GNUNET_CONTAINER_multihashmap_iterate (addresses, &free_address_it, NULL);
1037 GNUNET_assert (active_addr_count == 0);
1042 * Shutdown address subsystem.
1045 GAS_addresses_done ()
1047 GAS_addresses_destroy_all ();
1048 running = GNUNET_NO;
1049 GNUNET_CONTAINER_multihashmap_destroy (addresses);
1052 if (ats_mode == MLP)
1061 /* end of gnunet-service-ats_addresses.c */