/*
This file is part of GNUnet.
- (C) 2011 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2011 GNUnet e.V.
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
#include "gnunet-service-fs_pe.h"
#include "gnunet-service-fs_pr.h"
+/**
+ * Collect an instane number of statistics? May cause excessive IPC.
+ */
+#define INSANE_STATISTICS GNUNET_NO
/**
* List of GSF_PendingRequests this request plan
/**
- * DLL of request plans a particular pending request is
- * involved with.
+ * M:N binding of plans to pending requests.
+ * Each pending request can be in a number of plans,
+ * and each plan can have a number of pending requests.
+ * Objects of this type indicate a mapping of a plan to
+ * a particular pending request.
+ *
+ * The corresponding head and tail of the "PE" MDLL
+ * are stored in a `struct GSF_RequestPlan`. (We need
+ * to be able to lookup all pending requests corresponding
+ * to a given plan entry.)
+ *
+ * Similarly head and tail of the "PR" MDLL are stored
+ * with the `struct GSF_PendingRequest`. (We need
+ * to be able to lookup all plan entries corresponding
+ * to a given pending request.)
*/
-struct GSF_RequestPlanReference
+struct GSF_PendingRequestPlanBijection
{
/**
* This is a doubly-linked list.
*/
- struct GSF_RequestPlanReference *next;
+ struct GSF_PendingRequestPlanBijection *next_PR;
/**
* This is a doubly-linked list.
*/
- struct GSF_RequestPlanReference *prev;
-
- /**
- * Associated request plan.
- */
- struct GSF_RequestPlan *rp;
-
- /**
- * Corresponding PendingRequestList.
- */
- struct PendingRequestList *prl;
-};
-
-
-/**
- * List of GSF_PendingRequests this request plan
- * participates with.
- */
-struct PendingRequestList
-{
+ struct GSF_PendingRequestPlanBijection *prev_PR;
/**
* This is a doubly-linked list.
*/
- struct PendingRequestList *next;
+ struct GSF_PendingRequestPlanBijection *next_PE;
/**
* This is a doubly-linked list.
*/
- struct PendingRequestList *prev;
+ struct GSF_PendingRequestPlanBijection *prev_PE;
/**
- * Associated pending request.
+ * Associated request plan (tells us one of the peers that
+ * we plan to forward the request to).
*/
- struct GSF_PendingRequest *pr;
+ struct GSF_RequestPlan *rp;
/**
- * Corresponding GSF_RequestPlanReference.
+ * Associated pending request (identifies request details
+ * and one of the origins of the request).
*/
- struct GSF_RequestPlanReference *rpr;
+ struct GSF_PendingRequest *pr;
};
/**
* Information we keep per request per peer. This is a doubly-linked
- * list (with head and tail in the 'struct GSF_PendingRequestData')
- * with one entry in each heap of each 'struct PeerPlan'. Each
+ * list (with head and tail in the `struct GSF_PendingRequestData`)
+ * with one entry in each heap of each `struct PeerPlan`. Each
* entry tracks information relevant for this request and this peer.
*/
struct GSF_RequestPlan
struct PeerPlan *pp;
/**
- * Head of list of associated pending requests.
+ * Head of list of associated pending requests. This tells us
+ * which incoming requests from other peers this plan entry
+ * corresponds to.
*/
- struct PendingRequestList *prl_head;
+ struct GSF_PendingRequestPlanBijection *pe_head;
/**
* Tail of list of associated pending requests.
*/
- struct PendingRequestList *prl_tail;
+ struct GSF_PendingRequestPlanBijection *pe_tail;
/**
* Earliest time we'd be happy to (re)transmit this request.
struct PeerPlan
{
/**
- * Heap with pending queries (struct GSF_RequestPlan), higher weights mean higher priority.
+ * Heap with pending queries (`struct GSF_RequestPlan`), higher weights mean higher priority.
*/
struct GNUNET_CONTAINER_Heap *priority_heap;
/**
- * Heap with pending queries (struct GSF_RequestPlan), by transmission time, lowest first.
+ * Heap with pending queries (`struct GSF_RequestPlan`), by transmission time, lowest first.
*/
struct GNUNET_CONTAINER_Heap *delay_heap;
/**
- * Map of queries to plan entries. All entries in the priority_heap or delay_heap
- * should be in the plan map. Note that it IS possible for the plan map to have
- * multiple entries for the same query.
+ * Map of queries to plan entries. All entries in the @e priority_heap
+ * or @e delay_heap should be in the @e plan_map. Note that it is
+ * possible for the @e plan_map to have multiple entries for the same
+ * query.
*/
struct GNUNET_CONTAINER_MultiHashMap *plan_map;
- /**
- * Current transmission request handle.
- */
- struct GSF_PeerTransmitHandle *pth;
-
/**
* Peer for which this is the plan.
*/
/**
* Current task for executing the plan.
*/
- GNUNET_SCHEDULER_TaskIdentifier task;
+ struct GNUNET_SCHEDULER_Task *task;
+
+ /**
+ * Current message under transmission for the plan.
+ */
+ struct GNUNET_MQ_Envelope *env;
+
};
/**
* Hash map from peer identities to PeerPlans.
*/
-static struct GNUNET_CONTAINER_MultiHashMap *plans;
+static struct GNUNET_CONTAINER_MultiPeerMap *plans;
/**
* Sum of all transmission counters (equals total delay for all plan entries).
/**
* Return the query (key in the plan_map) for the given request plan.
+ * Note that this key may change as there can be multiple pending
+ * requests for the same key and we just return _one_ of them; this
+ * particular one might complete while another one might still be
+ * active, hence the lifetime of the returned hash code is NOT
+ * necessarily identical to that of the `struct GSF_RequestPlan`
+ * given.
*
* @param rp a request plan
* @return the associated query
static const struct GNUNET_HashCode *
get_rp_key (struct GSF_RequestPlan *rp)
{
- return &GSF_pending_request_get_data_ (rp->prl_head->pr)->query;
+ return &GSF_pending_request_get_data_ (rp->pe_head->pr)->query;
}
-/**
- * Figure out when and how to transmit to the given peer.
- *
- * @param cls the 'struct GSF_ConnectedPeer' for transmission
- * @param tc scheduler context
- */
-static void
-schedule_peer_transmission (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc);
-
-
/**
* Insert the given request plan into the heap with the appropriate weight.
*
* @param rp request to plan
*/
static void
-plan (struct PeerPlan *pp, struct GSF_RequestPlan *rp)
+plan (struct PeerPlan *pp,
+ struct GSF_RequestPlan *rp)
{
#define N ((double)128.0)
/**
GNUNET_STATISTICS_set (GSF_stats,
gettext_noop ("# average retransmission delay (ms)"),
total_delay * 1000LL / plan_count, GNUNET_NO);
- prd = GSF_pending_request_get_data_ (rp->prl_head->pr);
+ prd = GSF_pending_request_get_data_ (rp->pe_head->pr);
if (rp->transmission_counter < 8)
delay =
delay =
GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
8 + (1LL << 24));
- delay.rel_value =
- GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
- delay.rel_value + 1);
+ delay.rel_value_us =
+ GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+ delay.rel_value_us + 1);
/* Add 0.01 to avg_delay to avoid division-by-zero later */
- avg_delay = (((avg_delay * (N - 1.0)) + delay.rel_value) / N) + 0.01;
+ avg_delay = (((avg_delay * (N - 1.0)) + delay.rel_value_us) / N) + 0.01;
/*
* For the priority, we need to consider a few basic rules:
*/
rp->priority =
round ((GSF_current_priorities +
- 1.0) * atan (delay.rel_value / avg_delay)) / M_PI_4;
+ 1.0) * atan (delay.rel_value_us / avg_delay)) / M_PI_4;
/* Note: usage of 'round' and 'atan' requires -lm */
if (rp->transmission_counter != 0)
- delay.rel_value += TTL_DECREMENT;
+ delay.rel_value_us += TTL_DECREMENT * 1000;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Considering (re)transmission number %u in %llu ms\n",
+ "Considering (re)transmission number %u in %s\n",
(unsigned int) rp->transmission_counter,
- (unsigned long long) delay.rel_value);
+ GNUNET_STRINGS_relative_time_to_string (delay,
+ GNUNET_YES));
rp->earliest_transmission = GNUNET_TIME_relative_to_absolute (delay);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Earliest (re)transmission for `%s' in %us\n",
- GNUNET_h2s (&prd->query), rp->transmission_counter);
+ GNUNET_h2s (&prd->query),
+ rp->transmission_counter);
GNUNET_assert (rp->hn == NULL);
- if (GNUNET_TIME_absolute_get_remaining (rp->earliest_transmission).rel_value
- == 0)
- rp->hn = GNUNET_CONTAINER_heap_insert (pp->priority_heap, rp, rp->priority);
+ if (0 == GNUNET_TIME_absolute_get_remaining (rp->earliest_transmission).rel_value_us)
+ rp->hn = GNUNET_CONTAINER_heap_insert (pp->priority_heap,
+ rp,
+ rp->priority);
else
rp->hn =
- GNUNET_CONTAINER_heap_insert (pp->delay_heap, rp,
- rp->earliest_transmission.abs_value);
+ GNUNET_CONTAINER_heap_insert (pp->delay_heap,
+ rp,
+ rp->earliest_transmission.abs_value_us);
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multihashmap_contains_value (pp->plan_map,
get_rp_key (rp),
rp));
- if (GNUNET_SCHEDULER_NO_TASK != pp->task)
- GNUNET_SCHEDULER_cancel (pp->task);
- pp->task = GNUNET_SCHEDULER_add_now (&schedule_peer_transmission, pp);
#undef N
}
get_latest (const struct GSF_RequestPlan *rp)
{
struct GSF_PendingRequest *ret;
- struct PendingRequestList *prl;
-
- prl = rp->prl_head;
- ret = prl->pr;
- prl = prl->next;
- while (NULL != prl)
+ struct GSF_PendingRequestPlanBijection *bi;
+ const struct GSF_PendingRequestData *rprd;
+ const struct GSF_PendingRequestData *prd;
+
+ bi = rp->pe_head;
+ if (NULL == bi)
+ return NULL; /* should never happen */
+ ret = bi->pr;
+ rprd = GSF_pending_request_get_data_ (ret);
+ for (bi = bi->next_PE; NULL != bi; bi = bi->next_PE)
{
- if (GSF_pending_request_get_data_ (prl->pr)->ttl.abs_value >
- GSF_pending_request_get_data_ (ret)->ttl.abs_value)
- ret = prl->pr;
- prl = prl->next;
+ GNUNET_break (GNUNET_YES ==
+ GSF_pending_request_test_active_ (bi->pr));
+ prd = GSF_pending_request_get_data_ (bi->pr);
+ if (prd->ttl.abs_value_us > rprd->ttl.abs_value_us)
+ {
+ ret = bi->pr;
+ rprd = prd;
+ }
}
return ret;
}
-/**
- * Function called to get a message for transmission.
- *
- * @param cls closure
- * @param buf_size number of bytes available in buf
- * @param buf where to copy the message, NULL on error (peer disconnect)
- * @return number of bytes copied to 'buf', can be 0 (without indicating an error)
- */
-static size_t
-transmit_message_callback (void *cls, size_t buf_size, void *buf)
-{
- struct PeerPlan *pp = cls;
- struct GSF_RequestPlan *rp;
- size_t msize;
-
- pp->pth = NULL;
- if (NULL == buf)
- {
- /* failed, try again... */
- pp->task = GNUNET_SCHEDULER_add_now (&schedule_peer_transmission, pp);
- GNUNET_STATISTICS_update (GSF_stats,
- gettext_noop
- ("# transmission failed (core has no bandwidth)"),
- 1, GNUNET_NO);
- return 0;
- }
- rp = GNUNET_CONTAINER_heap_peek (pp->priority_heap);
- if (NULL == rp)
- {
- pp->task = GNUNET_SCHEDULER_add_now (&schedule_peer_transmission, pp);
- return 0;
- }
- msize = GSF_pending_request_get_message_ (get_latest (rp), buf_size, buf);
- if (msize > buf_size)
- {
- /* buffer to small (message changed), try again */
- pp->task = GNUNET_SCHEDULER_add_now (&schedule_peer_transmission, pp);
- return 0;
- }
- /* remove from root, add again elsewhere... */
- GNUNET_assert (rp == GNUNET_CONTAINER_heap_remove_root (pp->priority_heap));
- rp->hn = NULL;
- rp->last_transmission = GNUNET_TIME_absolute_get ();
- rp->transmission_counter++;
- total_delay++;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Executing plan %p executed %u times, planning retransmission\n",
- rp, rp->transmission_counter);
- plan (pp, rp);
- GNUNET_STATISTICS_update (GSF_stats,
- gettext_noop
- ("# query messages sent to other peers"), 1,
- GNUNET_NO);
- return msize;
-}
-
-
/**
* Figure out when and how to transmit to the given peer.
*
- * @param cls the 'struct PeerPlan'
- * @param tc scheduler context
+ * @param cls the `struct PeerPlan`
*/
static void
-schedule_peer_transmission (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+schedule_peer_transmission (void *cls)
{
struct PeerPlan *pp = cls;
struct GSF_RequestPlan *rp;
- size_t msize;
struct GNUNET_TIME_Relative delay;
- pp->task = GNUNET_SCHEDULER_NO_TASK;
- if (NULL != pp->pth)
+ if (NULL != pp->task)
+ {
+ pp->task = NULL;
+ }
+ else
{
- GSF_peer_transmit_cancel_ (pp->pth);
- pp->pth = NULL;
+ GNUNET_assert (NULL != pp->env);
+ pp->env = NULL;
}
/* move ready requests to priority queue */
while ((NULL != (rp = GNUNET_CONTAINER_heap_peek (pp->delay_heap))) &&
- (GNUNET_TIME_absolute_get_remaining
- (rp->earliest_transmission).rel_value == 0))
+ (0 == GNUNET_TIME_absolute_get_remaining
+ (rp->earliest_transmission).rel_value_us))
{
GNUNET_assert (rp == GNUNET_CONTAINER_heap_remove_root (pp->delay_heap));
- rp->hn = GNUNET_CONTAINER_heap_insert (pp->priority_heap, rp, rp->priority);
+ rp->hn = GNUNET_CONTAINER_heap_insert (pp->priority_heap,
+ rp,
+ rp->priority);
}
if (0 == GNUNET_CONTAINER_heap_get_size (pp->priority_heap))
{
rp = GNUNET_CONTAINER_heap_peek (pp->delay_heap);
if (NULL == rp)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "No active requests for plan %p.\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "No active requests for plan %p.\n",
pp);
return; /* both queues empty */
}
delay = GNUNET_TIME_absolute_get_remaining (rp->earliest_transmission);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Sleeping for %llu ms before retrying requests on plan %p.\n",
- (unsigned long long) delay.rel_value, pp);
- GNUNET_STATISTICS_set (GSF_stats, gettext_noop ("# delay heap timeout"),
- delay.rel_value, GNUNET_NO);
-
- pp->task =
- GNUNET_SCHEDULER_add_delayed (delay, &schedule_peer_transmission, pp);
+ "Sleeping for %s before retrying requests on plan %p.\n",
+ GNUNET_STRINGS_relative_time_to_string (delay,
+ GNUNET_YES),
+ pp);
+ GNUNET_STATISTICS_set (GSF_stats,
+ gettext_noop ("# delay heap timeout (ms)"),
+ delay.rel_value_us / 1000LL, GNUNET_NO);
+
+ pp->task
+ = GNUNET_SCHEDULER_add_at (rp->earliest_transmission,
+ &schedule_peer_transmission,
+ pp);
return;
}
- GNUNET_STATISTICS_update (GSF_stats, gettext_noop ("# query plans executed"),
- 1, GNUNET_NO);
+#if INSANE_STATISTICS
+ GNUNET_STATISTICS_update (GSF_stats,
+ gettext_noop ("# query plans executed"),
+ 1,
+ GNUNET_NO);
+#endif
/* process from priority heap */
- rp = GNUNET_CONTAINER_heap_peek (pp->priority_heap);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Executing query plan %p\n", rp);
+ rp = GNUNET_CONTAINER_heap_remove_root (pp->priority_heap);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Executing query plan %p\n",
+ rp);
GNUNET_assert (NULL != rp);
- msize = GSF_pending_request_get_message_ (get_latest (rp), 0, NULL);
- pp->pth =
- GSF_peer_transmit_ (pp->cp, GNUNET_YES, rp->priority,
- GNUNET_TIME_UNIT_FOREVER_REL, msize,
- &transmit_message_callback, pp);
- GNUNET_assert (NULL != pp->pth);
+ rp->hn = NULL;
+ rp->last_transmission = GNUNET_TIME_absolute_get ();
+ rp->transmission_counter++;
+ total_delay++;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Executing plan %p executed %u times, planning retransmission\n",
+ rp,
+ rp->transmission_counter);
+ GNUNET_assert (NULL == pp->env);
+ pp->env = GSF_pending_request_get_message_ (get_latest (rp));
+ GNUNET_MQ_notify_sent (pp->env,
+ &schedule_peer_transmission,
+ pp);
+ GSF_peer_transmit_ (pp->cp,
+ GNUNET_YES,
+ rp->priority,
+ pp->env);
+ GNUNET_STATISTICS_update (GSF_stats,
+ gettext_noop ("# query messages sent to other peers"),
+ 1,
+ GNUNET_NO);
+ plan (pp,
+ rp);
}
/**
- * Closure for 'merge_pr'.
+ * Closure for merge_pr().
*/
struct MergeContext
{
+ /**
+ * Request we are trying to merge.
+ */
struct GSF_PendingRequest *pr;
+ /**
+ * Set to #GNUNET_YES if we succeeded to merge.
+ */
int merged;
};
* @param cls closure
* @param query the query
* @param element request plan stored at the node
- * @return GNUNET_YES if we should continue to iterate,
- * GNUNET_NO if not (merge success)
+ * @return #GNUNET_YES if we should continue to iterate,
+ * #GNUNET_NO if not (merge success)
*/
static int
-merge_pr (void *cls, const struct GNUNET_HashCode * query, void *element)
+merge_pr (void *cls,
+ const struct GNUNET_HashCode *query,
+ void *element)
{
struct MergeContext *mpr = cls;
struct GSF_RequestPlan *rp = element;
struct GSF_PendingRequestData *prd;
- struct GSF_RequestPlanReference *rpr;
- struct PendingRequestList *prl;
+ struct GSF_PendingRequestPlanBijection *bi;
struct GSF_PendingRequest *latest;
+ GNUNET_break (GNUNET_YES ==
+ GSF_pending_request_test_active_ (mpr->pr));
if (GNUNET_OK !=
- GSF_pending_request_is_compatible_ (mpr->pr, rp->prl_head->pr))
+ GSF_pending_request_is_compatible_ (mpr->pr,
+ rp->pe_head->pr))
return GNUNET_YES;
/* merge new request with existing request plan */
- rpr = GNUNET_malloc (sizeof (struct GSF_RequestPlanReference));
- prl = GNUNET_malloc (sizeof (struct PendingRequestList));
- rpr->rp = rp;
- rpr->prl = prl;
- prl->rpr = rpr;
- prl->pr = mpr->pr;
+ bi = GNUNET_new (struct GSF_PendingRequestPlanBijection);
+ bi->rp = rp;
+ bi->pr = mpr->pr;
prd = GSF_pending_request_get_data_ (mpr->pr);
- GNUNET_CONTAINER_DLL_insert (prd->rpr_head, prd->rpr_tail, rpr);
- GNUNET_CONTAINER_DLL_insert (rp->prl_head, rp->prl_tail, prl);
+ GNUNET_CONTAINER_MDLL_insert (PR,
+ prd->pr_head,
+ prd->pr_tail,
+ bi);
+ GNUNET_CONTAINER_MDLL_insert (PE,
+ rp->pe_head,
+ rp->pe_tail,
+ bi);
mpr->merged = GNUNET_YES;
- GNUNET_STATISTICS_update (GSF_stats, gettext_noop ("# requests merged"), 1,
+#if INSANE_STATISTICS
+ GNUNET_STATISTICS_update (GSF_stats,
+ gettext_noop ("# requests merged"),
+ 1,
GNUNET_NO);
+#endif
latest = get_latest (rp);
- if (GSF_pending_request_get_data_ (latest)->ttl.abs_value <
- prd->ttl.abs_value)
+ if (GSF_pending_request_get_data_ (latest)->ttl.abs_value_us <
+ prd->ttl.abs_value_us)
{
- GNUNET_STATISTICS_update (GSF_stats, gettext_noop ("# requests refreshed"),
- 1, GNUNET_NO);
+#if INSANE_STATISTICS
+ GNUNET_STATISTICS_update (GSF_stats,
+ gettext_noop ("# requests refreshed"),
+ 1,
+ GNUNET_NO);
+#endif
rp->transmission_counter = 0; /* reset */
}
return GNUNET_NO;
* @param pr request with the entry
*/
void
-GSF_plan_add_ (struct GSF_ConnectedPeer *cp, struct GSF_PendingRequest *pr)
+GSF_plan_add_ (struct GSF_ConnectedPeer *cp,
+ struct GSF_PendingRequest *pr)
{
- struct GNUNET_PeerIdentity id;
+ const struct GNUNET_PeerIdentity *id;
struct PeerPlan *pp;
struct GSF_PendingRequestData *prd;
struct GSF_RequestPlan *rp;
- struct GSF_RequestPlanReference *rpr;
- struct PendingRequestList *prl;
+ struct GSF_PendingRequestPlanBijection *bi;
struct MergeContext mpc;
+ GNUNET_assert (GNUNET_YES ==
+ GSF_pending_request_test_active_ (pr));
GNUNET_assert (NULL != cp);
- GSF_connected_peer_get_identity_ (cp, &id);
- pp = GNUNET_CONTAINER_multihashmap_get (plans, &id.hashPubKey);
+ id = GSF_connected_peer_get_identity2_ (cp);
+ pp = GNUNET_CONTAINER_multipeermap_get (plans, id);
if (NULL == pp)
{
- pp = GNUNET_malloc (sizeof (struct PeerPlan));
- pp->plan_map = GNUNET_CONTAINER_multihashmap_create (128);
+ pp = GNUNET_new (struct PeerPlan);
+ pp->plan_map = GNUNET_CONTAINER_multihashmap_create (128, GNUNET_NO);
pp->priority_heap =
GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MAX);
pp->delay_heap =
GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MIN);
pp->cp = cp;
- GNUNET_CONTAINER_multihashmap_put (plans, &id.hashPubKey, pp,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONTAINER_multipeermap_put (plans,
+ id,
+ pp,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+ pp->task = GNUNET_SCHEDULER_add_now (&schedule_peer_transmission,
+ pp);
}
mpc.merged = GNUNET_NO;
mpc.pr = pr;
+ prd = GSF_pending_request_get_data_ (pr);
GNUNET_CONTAINER_multihashmap_get_multiple (pp->plan_map,
- &GSF_pending_request_get_data_
- (pr)->query, &merge_pr, &mpc); // 8 MB in 'merge_pr'
- if (mpc.merged != GNUNET_NO)
- return;
- GNUNET_CONTAINER_multihashmap_get_multiple (pp->plan_map,
- &GSF_pending_request_get_data_
- (pr)->query, &merge_pr, &mpc);
- if (mpc.merged != GNUNET_NO)
+ &prd->query,
+ &merge_pr,
+ &mpc);
+ if (GNUNET_NO != mpc.merged)
return;
plan_count++;
- GNUNET_STATISTICS_update (GSF_stats, gettext_noop ("# query plan entries"), 1,
+ GNUNET_STATISTICS_update (GSF_stats,
+ gettext_noop ("# query plan entries"),
+ 1,
GNUNET_NO);
- prd = GSF_pending_request_get_data_ (pr);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Planning transmission of query `%s' to peer `%s'\n",
- GNUNET_h2s (&prd->query), GNUNET_i2s (&id));
- rp = GNUNET_malloc (sizeof (struct GSF_RequestPlan)); // 8 MB
- rpr = GNUNET_malloc (sizeof (struct GSF_RequestPlanReference));
- prl = GNUNET_malloc (sizeof (struct PendingRequestList));
- rpr->rp = rp;
- rpr->prl = prl;
- prl->rpr = rpr;
- prl->pr = pr;
- GNUNET_CONTAINER_DLL_insert (prd->rpr_head, prd->rpr_tail, rpr);
- GNUNET_CONTAINER_DLL_insert (rp->prl_head, rp->prl_tail, prl);
+ GNUNET_h2s (&prd->query),
+ GNUNET_i2s (id));
+ rp = GNUNET_new (struct GSF_RequestPlan);
+ bi = GNUNET_new (struct GSF_PendingRequestPlanBijection);
+ bi->rp = rp;
+ bi->pr = pr;
+ GNUNET_CONTAINER_MDLL_insert (PR,
+ prd->pr_head,
+ prd->pr_tail,
+ bi);
+ GNUNET_CONTAINER_MDLL_insert (PE,
+ rp->pe_head,
+ rp->pe_tail,
+ bi);
rp->pp = pp;
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multihashmap_put (pp->plan_map,
- get_rp_key (rp), rp,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE)); // 8 MB
- plan (pp, rp); // +5 MB (plan/heap-insert)
+ get_rp_key (rp),
+ rp,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
+ plan (pp,
+ rp);
}
void
GSF_plan_notify_peer_disconnect_ (const struct GSF_ConnectedPeer *cp)
{
- struct GNUNET_PeerIdentity id;
+ const struct GNUNET_PeerIdentity *id;
struct PeerPlan *pp;
struct GSF_RequestPlan *rp;
struct GSF_PendingRequestData *prd;
- struct PendingRequestList *prl;
+ struct GSF_PendingRequestPlanBijection *bi;
- GSF_connected_peer_get_identity_ (cp, &id);
- pp = GNUNET_CONTAINER_multihashmap_get (plans, &id.hashPubKey);
+ id = GSF_connected_peer_get_identity2_ (cp);
+ pp = GNUNET_CONTAINER_multipeermap_get (plans, id);
if (NULL == pp)
return; /* nothing was ever planned for this peer */
GNUNET_assert (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_remove (plans, &id.hashPubKey,
+ GNUNET_CONTAINER_multipeermap_remove (plans, id,
pp));
- if (NULL != pp->pth)
- {
- GSF_peer_transmit_cancel_ (pp->pth);
- pp->pth = NULL;
- }
- if (GNUNET_SCHEDULER_NO_TASK != pp->task)
+ if (NULL != pp->task)
{
GNUNET_SCHEDULER_cancel (pp->task);
- pp->task = GNUNET_SCHEDULER_NO_TASK;
+ pp->task = NULL;
}
while (NULL != (rp = GNUNET_CONTAINER_heap_remove_root (pp->priority_heap)))
{
GNUNET_break (GNUNET_YES ==
GNUNET_CONTAINER_multihashmap_remove (pp->plan_map,
- get_rp_key (rp), rp));
- while (NULL != (prl = rp->prl_head))
+ get_rp_key (rp),
+ rp));
+ while (NULL != (bi = rp->pe_head))
{
- GNUNET_CONTAINER_DLL_remove (rp->prl_head, rp->prl_tail, prl);
- prd = GSF_pending_request_get_data_ (prl->pr);
- GNUNET_CONTAINER_DLL_remove (prd->rpr_head, prd->rpr_tail, prl->rpr);
- GNUNET_free (prl->rpr);
- GNUNET_free (prl);
+ GNUNET_CONTAINER_MDLL_remove (PE,
+ rp->pe_head,
+ rp->pe_tail,
+ bi);
+ prd = GSF_pending_request_get_data_ (bi->pr);
+ GNUNET_CONTAINER_MDLL_remove (PR,
+ prd->pr_head,
+ prd->pr_tail,
+ bi);
+ GNUNET_free (bi);
}
plan_count--;
GNUNET_free (rp);
{
GNUNET_break (GNUNET_YES ==
GNUNET_CONTAINER_multihashmap_remove (pp->plan_map,
- get_rp_key (rp), rp));
- while (NULL != (prl = rp->prl_head))
+ get_rp_key (rp),
+ rp));
+ while (NULL != (bi = rp->pe_head))
{
- GNUNET_CONTAINER_DLL_remove (rp->prl_head, rp->prl_tail, prl);
- prd = GSF_pending_request_get_data_ (prl->pr);
- GNUNET_CONTAINER_DLL_remove (prd->rpr_head, prd->rpr_tail, prl->rpr);
- GNUNET_free (prl->rpr);
- GNUNET_free (prl);
+ prd = GSF_pending_request_get_data_ (bi->pr);
+ GNUNET_CONTAINER_MDLL_remove (PE,
+ rp->pe_head,
+ rp->pe_tail,
+ bi);
+ GNUNET_CONTAINER_MDLL_remove (PR,
+ prd->pr_head,
+ prd->pr_tail,
+ bi);
+ GNUNET_free (bi);
}
plan_count--;
GNUNET_free (rp);
}
- GNUNET_STATISTICS_set (GSF_stats, gettext_noop ("# query plan entries"),
- plan_count, GNUNET_NO);
+ GNUNET_STATISTICS_set (GSF_stats,
+ gettext_noop ("# query plan entries"),
+ plan_count,
+ GNUNET_NO);
GNUNET_CONTAINER_heap_destroy (pp->delay_heap);
GNUNET_CONTAINER_multihashmap_destroy (pp->plan_map);
GNUNET_free (pp);
}
+
/**
* Get the last transmission attempt time for the request plan list
- * referenced by 'rpr_head', that was sent to 'sender'
+ * referenced by @a pr_head, that was sent to @a sender
*
- * @param rpr_head request plan reference list to check.
+ * @param pr_head request plan reference list to check.
* @param sender the peer that we've sent the request to.
- * @param result the timestamp to fill.
- * @return GNUNET_YES if 'result' was changed, GNUNET_NO otherwise.
+ * @param result the timestamp to fill, set to #GNUNET_TIME_UNIT_FOREVER_ABS if never transmitted
+ * @return #GNUNET_YES if @a result was changed, #GNUNET_NO otherwise.
*/
int
-GSF_request_plan_reference_get_last_transmission_ (
- struct GSF_RequestPlanReference *rpr_head, struct GSF_ConnectedPeer *sender,
- struct GNUNET_TIME_Absolute *result)
+GSF_request_plan_reference_get_last_transmission_ (struct GSF_PendingRequestPlanBijection *pr_head,
+ struct GSF_ConnectedPeer *sender,
+ struct GNUNET_TIME_Absolute *result)
{
- struct GSF_RequestPlanReference *rpr;
- for (rpr = rpr_head; rpr; rpr = rpr->next)
+ struct GSF_PendingRequestPlanBijection *bi;
+
+ for (bi = pr_head; NULL != bi; bi = bi->next_PR)
{
- if (rpr->rp->pp->cp == sender)
+ if (bi->rp->pp->cp == sender)
{
- *result = rpr->rp->last_transmission;
+ if (0 == bi->rp->last_transmission.abs_value_us)
+ *result = GNUNET_TIME_UNIT_FOREVER_ABS;
+ else
+ *result = bi->rp->last_transmission;
return GNUNET_YES;
}
}
return GNUNET_NO;
}
+
/**
* Notify the plan about a request being done; destroy all entries
* associated with this request.
{
struct GSF_RequestPlan *rp;
struct GSF_PendingRequestData *prd;
- struct GSF_RequestPlanReference *rpr;
+ struct GSF_PendingRequestPlanBijection *bi;
prd = GSF_pending_request_get_data_ (pr);
- while (NULL != (rpr = prd->rpr_head))
+ while (NULL != (bi = prd->pr_head))
{
- GNUNET_CONTAINER_DLL_remove (prd->rpr_head, prd->rpr_tail, rpr);
- rp = rpr->rp;
- GNUNET_CONTAINER_DLL_remove (rp->prl_head, rp->prl_tail, rpr->prl);
- if (NULL == rp->prl_head)
+ rp = bi->rp;
+ GNUNET_CONTAINER_MDLL_remove (PR,
+ prd->pr_head,
+ prd->pr_tail,
+ bi);
+ GNUNET_CONTAINER_MDLL_remove (PE,
+ rp->pe_head,
+ rp->pe_tail,
+ bi);
+ GNUNET_assert (bi->pr == pr);
+ if (NULL == rp->pe_head)
{
GNUNET_CONTAINER_heap_remove_node (rp->hn);
plan_count--;
GNUNET_break (GNUNET_YES ==
GNUNET_CONTAINER_multihashmap_remove (rp->pp->plan_map,
- &GSF_pending_request_get_data_
- (rpr->prl->pr)->query,
+ &prd->query,
rp));
GNUNET_free (rp);
}
- GNUNET_free (rpr->prl);
- GNUNET_free (rpr);
+ GNUNET_free (bi);
}
- GNUNET_STATISTICS_set (GSF_stats, gettext_noop ("# query plan entries"),
- plan_count, GNUNET_NO);
+ GNUNET_STATISTICS_set (GSF_stats,
+ gettext_noop ("# query plan entries"),
+ plan_count,
+ GNUNET_NO);
}
void
GSF_plan_init ()
{
- plans = GNUNET_CONTAINER_multihashmap_create (256);
+ plans = GNUNET_CONTAINER_multipeermap_create (256,
+ GNUNET_YES);
}
void
GSF_plan_done ()
{
- GNUNET_assert (0 == GNUNET_CONTAINER_multihashmap_size (plans));
- GNUNET_CONTAINER_multihashmap_destroy (plans);
+ GNUNET_assert (0 == GNUNET_CONTAINER_multipeermap_size (plans));
+ GNUNET_CONTAINER_multipeermap_destroy (plans);
}
projects / oweals / gnunet.git / blobdiff