-lots
[oweals/gnunet.git] / src / fs / gnunet-service-fs_pr.c
index d4b448185882cf53adb82d0d47501021a7ea73e6..f39f3fb784083d9bdfa7f0501d7edc9115f15ae1 100644 (file)
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     (C) 2009, 2010, 2011 Christian Grothoff (and other contributing authors)
+     (C) 2009, 2010, 2011, 2012 Christian Grothoff (and other contributing authors)
 
      GNUnet is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
  */
 #define MAX_RESULTS (100 * 1024)
 
+/**
+ * Collect an instane number of statistics?  May cause excessive IPC.
+ */
+#define INSANE_STATISTICS GNUNET_NO
+
 /**
  * An active request.
  */
@@ -74,7 +79,7 @@ struct GSF_PendingRequest
   /**
    * Array of hash codes of replies we've already seen.
    */
-  GNUNET_HashCode *replies_seen;
+  struct GNUNET_HashCode *replies_seen;
 
   /**
    * Bloomfilter masking replies we've already seen.
@@ -263,40 +268,52 @@ refresh_bloomfilter (struct GSF_PendingRequest *pr)
 struct GSF_PendingRequest *
 GSF_pending_request_create_ (enum GSF_PendingRequestOptions options,
                              enum GNUNET_BLOCK_Type type,
-                             const GNUNET_HashCode * query,
-                             const GNUNET_HashCode * namespace,
+                             const struct GNUNET_HashCode * query,
+                             const struct GNUNET_HashCode * namespace,
                              const struct GNUNET_PeerIdentity *target,
                              const char *bf_data, size_t bf_size,
                              uint32_t mingle, uint32_t anonymity_level,
                              uint32_t priority, int32_t ttl,
                              GNUNET_PEER_Id sender_pid,
                              GNUNET_PEER_Id origin_pid,
-                             const GNUNET_HashCode * replies_seen,
+                             const struct GNUNET_HashCode * replies_seen,
                              unsigned int replies_seen_count,
                              GSF_PendingRequestReplyHandler rh, void *rh_cls)
 {
   struct GSF_PendingRequest *pr;
   struct GSF_PendingRequest *dpr;
+  size_t extra;
+  struct GNUNET_HashCode *eptr;
 
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Creating request handle for `%s' of type %d\n",
               GNUNET_h2s (query), type);
+#if INSANE_STATISTICS
   GNUNET_STATISTICS_update (GSF_stats,
                             gettext_noop ("# Pending requests created"), 1,
                             GNUNET_NO);
-  pr = GNUNET_malloc (sizeof (struct GSF_PendingRequest));
+#endif
+  extra = 0;
+  if (GNUNET_BLOCK_TYPE_FS_SBLOCK == type)
+    extra += sizeof (struct GNUNET_HashCode);
+  if (NULL != target)
+    extra += sizeof (struct GNUNET_PeerIdentity);
+  pr = GNUNET_malloc (sizeof (struct GSF_PendingRequest) + extra);
   pr->local_result_offset =
       GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK, UINT64_MAX);
   pr->public_data.query = *query;
+  eptr = (struct GNUNET_HashCode *) &pr[1];
   if (GNUNET_BLOCK_TYPE_FS_SBLOCK == type)
   {
-    GNUNET_assert (NULL != namespace);
-    pr->public_data.namespace = *namespace;
+    GNUNET_assert (NULL != namespace);        
+    pr->public_data.namespace = eptr;
+    memcpy (eptr, namespace, sizeof (struct GNUNET_HashCode));
+    eptr++;
   }
   if (NULL != target)
   {
-    pr->public_data.target = *target;
-    pr->public_data.has_target = GNUNET_YES;
+    pr->public_data.target = (struct GNUNET_PeerIdentity *) eptr;
+    memcpy (eptr, target, sizeof (struct GNUNET_PeerIdentity));
   }
   pr->public_data.anonymity_level = anonymity_level;
   pr->public_data.priority = priority;
@@ -324,9 +341,9 @@ GSF_pending_request_create_ (enum GSF_PendingRequestOptions options,
   {
     pr->replies_seen_size = replies_seen_count;
     pr->replies_seen =
-        GNUNET_malloc (sizeof (GNUNET_HashCode) * pr->replies_seen_size);
+        GNUNET_malloc (sizeof (struct GNUNET_HashCode) * pr->replies_seen_size);
     memcpy (pr->replies_seen, replies_seen,
-            replies_seen_count * sizeof (GNUNET_HashCode));
+            replies_seen_count * sizeof (struct GNUNET_HashCode));
     pr->replies_seen_count = replies_seen_count;
   }
   if (NULL != bf_data)
@@ -341,7 +358,8 @@ GSF_pending_request_create_ (enum GSF_PendingRequestOptions options,
   {
     refresh_bloomfilter (pr);
   }
-  GNUNET_CONTAINER_multihashmap_put (pr_map, query, pr,
+  GNUNET_CONTAINER_multihashmap_put (pr_map, 
+                                    &pr->public_data.query, pr,
                                      GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
   if (0 == (options & GSF_PRO_REQUEST_NEVER_EXPIRES))
   {
@@ -398,11 +416,12 @@ GSF_pending_request_is_compatible_ (struct GSF_PendingRequest *pra,
   if ((pra->public_data.type != prb->public_data.type) ||
       (0 !=
        memcmp (&pra->public_data.query, &prb->public_data.query,
-               sizeof (GNUNET_HashCode))) ||
+               sizeof (struct GNUNET_HashCode))) ||
       ((pra->public_data.type == GNUNET_BLOCK_TYPE_FS_SBLOCK) &&
        (0 !=
-        memcmp (&pra->public_data.namespace, &prb->public_data.namespace,
-                sizeof (GNUNET_HashCode)))))
+        memcmp (pra->public_data.namespace, 
+               prb->public_data.namespace,
+                sizeof (struct GNUNET_HashCode)))))
     return GNUNET_NO;
   return GNUNET_OK;
 }
@@ -419,11 +438,11 @@ GSF_pending_request_is_compatible_ (struct GSF_PendingRequest *pra,
  */
 void
 GSF_pending_request_update_ (struct GSF_PendingRequest *pr,
-                             const GNUNET_HashCode * replies_seen,
+                             const struct GNUNET_HashCode * replies_seen,
                              unsigned int replies_seen_count)
 {
   unsigned int i;
-  GNUNET_HashCode mhash;
+  struct GNUNET_HashCode mhash;
 
   if (replies_seen_count + pr->replies_seen_count < pr->replies_seen_count)
     return;                     /* integer overflow */
@@ -434,7 +453,7 @@ GSF_pending_request_update_ (struct GSF_PendingRequest *pr,
       GNUNET_array_grow (pr->replies_seen, pr->replies_seen_size,
                          replies_seen_count + pr->replies_seen_count);
     memcpy (&pr->replies_seen[pr->replies_seen_count], replies_seen,
-            sizeof (GNUNET_HashCode) * replies_seen_count);
+            sizeof (struct GNUNET_HashCode) * replies_seen_count);
     pr->replies_seen_count += replies_seen_count;
     refresh_bloomfilter (pr);
   }
@@ -477,7 +496,7 @@ GSF_pending_request_get_message_ (struct GSF_PendingRequest *pr,
 {
   char lbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE];
   struct GetMessage *gm;
-  GNUNET_HashCode *ext;
+  struct GNUNET_HashCode *ext;
   size_t msize;
   unsigned int k;
   uint32_t bm;
@@ -509,13 +528,13 @@ GSF_pending_request_get_message_ (struct GSF_PendingRequest *pr,
     bm |= GET_MESSAGE_BIT_SKS_NAMESPACE;
     k++;
   }
-  if (GNUNET_YES == pr->public_data.has_target)
+  if (NULL != pr->public_data.target)
   {
     bm |= GET_MESSAGE_BIT_TRANSMIT_TO;
     k++;
   }
   bf_size = GNUNET_CONTAINER_bloomfilter_get_size (pr->bf);
-  msize = sizeof (struct GetMessage) + bf_size + k * sizeof (GNUNET_HashCode);
+  msize = sizeof (struct GetMessage) + bf_size + k * sizeof (struct GNUNET_HashCode);
   GNUNET_assert (msize < GNUNET_SERVER_MAX_MESSAGE_SIZE);
   if (buf_size < msize)
     return msize;
@@ -530,6 +549,8 @@ GSF_pending_request_get_message_ (struct GSF_PendingRequest *pr,
   else
     prio = 0;
   pr->public_data.priority -= prio;
+  pr->public_data.num_transmissions++;
+  pr->public_data.respect_offered += prio;
   gm->priority = htonl (prio);
   now = GNUNET_TIME_absolute_get ();
   ttl = (int64_t) (pr->public_data.ttl.abs_value - now.abs_value);
@@ -537,15 +558,17 @@ GSF_pending_request_get_message_ (struct GSF_PendingRequest *pr,
   gm->filter_mutator = htonl (pr->mingle);
   gm->hash_bitmap = htonl (bm);
   gm->query = pr->public_data.query;
-  ext = (GNUNET_HashCode *) & gm[1];
+  ext = (struct GNUNET_HashCode *) & gm[1];
   k = 0;
   if (!do_route)
     GNUNET_PEER_resolve (pr->sender_pid,
                          (struct GNUNET_PeerIdentity *) &ext[k++]);
   if (GNUNET_BLOCK_TYPE_FS_SBLOCK == pr->public_data.type)
-    memcpy (&ext[k++], &pr->public_data.namespace, sizeof (GNUNET_HashCode));
-  if (GNUNET_YES == pr->public_data.has_target)
-    ext[k++] = pr->public_data.target.hashPubKey;
+    memcpy (&ext[k++], pr->public_data.namespace, sizeof (struct GNUNET_HashCode));
+  if (NULL != pr->public_data.target)
+    memcpy (&ext[k++],
+           pr->public_data.target,
+           sizeof (struct GNUNET_PeerIdentity));
   if (pr->bf != NULL)
     GNUNET_assert (GNUNET_SYSERR !=
                    GNUNET_CONTAINER_bloomfilter_get_raw_data (pr->bf,
@@ -565,7 +588,7 @@ GSF_pending_request_get_message_ (struct GSF_PendingRequest *pr,
  * @return GNUNET_YES (we should continue to iterate)
  */
 static int
-clean_request (void *cls, const GNUNET_HashCode * key, void *value)
+clean_request (void *cls, const struct GNUNET_HashCode * key, void *value)
 {
   struct GSF_PendingRequest *pr = value;
   GSF_LocalLookupContinuation cont;
@@ -763,11 +786,11 @@ update_request_performance_data (struct ProcessReplyClosure *prq,
  * @return GNUNET_YES (we should continue to iterate)
  */
 static int
-process_reply (void *cls, const GNUNET_HashCode * key, void *value)
+process_reply (void *cls, const struct GNUNET_HashCode * key, void *value)
 {
   struct ProcessReplyClosure *prq = cls;
   struct GSF_PendingRequest *pr = value;
-  GNUNET_HashCode chash;
+  struct GNUNET_HashCode chash;
   struct GNUNET_TIME_Absolute last_transmission;
 
   if (NULL == pr->rh)
@@ -780,10 +803,10 @@ process_reply (void *cls, const GNUNET_HashCode * key, void *value)
                             GNUNET_NO);
   prq->eval =
       GNUNET_BLOCK_evaluate (GSF_block_ctx, prq->type, key, &pr->bf, pr->mingle,
-                             &pr->public_data.namespace,
+                             pr->public_data.namespace,
                              (prq->type ==
                               GNUNET_BLOCK_TYPE_FS_SBLOCK) ?
-                             sizeof (GNUNET_HashCode) : 0, prq->data,
+                             sizeof (struct GNUNET_HashCode) : 0, prq->data,
                              prq->size);
   switch (prq->eval)
   {
@@ -803,10 +826,12 @@ process_reply (void *cls, const GNUNET_HashCode * key, void *value)
             last_transmission, prq->type, prq->data, prq->size);
     return GNUNET_YES;
   case GNUNET_BLOCK_EVALUATION_OK_DUPLICATE:
+#if INSANE_STATISTICS
     GNUNET_STATISTICS_update (GSF_stats,
                               gettext_noop
                               ("# duplicate replies discarded (bloomfilter)"),
                               1, GNUNET_NO);
+#endif
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                 "Duplicate response, discarding.\n");
     return GNUNET_YES;          /* duplicate */
@@ -929,8 +954,8 @@ put_migration_continuation (void *cls, int success,
     if (min_expiration.abs_value > 0)
     {
       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
-                 "Asking to stop migration for %llu ms because datastore is full\n",
-                 (unsigned long long) GNUNET_TIME_absolute_get_remaining (min_expiration).rel_value);
+                 "Asking to stop migration for %s because datastore is full\n",
+                 GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_remaining (min_expiration), GNUNET_YES));
       GSF_block_peer_migration_ (cp, min_expiration);      
     }
     else
@@ -943,8 +968,8 @@ put_migration_continuation (void *cls, int success,
                                                      ppd->migration_delay.rel_value);
       ppd->migration_delay = GNUNET_TIME_relative_multiply (ppd->migration_delay, 2);
       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
-                 "Replicated content already exists locally, asking to stop migration for %llu ms\n",
-                 (unsigned long long) mig_pause.rel_value);
+                 "Replicated content already exists locally, asking to stop migration for %s\n",
+                 GNUNET_STRINGS_relative_time_to_string (mig_pause, GNUNET_YES));
       GSF_block_peer_migration_ (cp, GNUNET_TIME_relative_to_absolute (mig_pause));
     }
   }
@@ -1000,7 +1025,7 @@ test_put_load_too_high (uint32_t priority)
  */
 static void
 handle_dht_reply (void *cls, struct GNUNET_TIME_Absolute exp,
-                  const GNUNET_HashCode * key,
+                  const struct GNUNET_HashCode * key,
                   const struct GNUNET_PeerIdentity *get_path,
                   unsigned int get_path_length,
                   const struct GNUNET_PeerIdentity *put_path,
@@ -1057,7 +1082,7 @@ GSF_dht_lookup_ (struct GSF_PendingRequest *pr)
   const void *xquery;
   size_t xquery_size;
   struct GNUNET_PeerIdentity pi;
-  char buf[sizeof (GNUNET_HashCode) * 2];
+  char buf[sizeof (struct GNUNET_HashCode) * 2] GNUNET_ALIGN;
 
   if (0 != pr->public_data.anonymity_level)
     return;
@@ -1071,8 +1096,8 @@ GSF_dht_lookup_ (struct GSF_PendingRequest *pr)
   if (GNUNET_BLOCK_TYPE_FS_SBLOCK == pr->public_data.type)
   {
     xquery = buf;
-    memcpy (buf, &pr->public_data.namespace, sizeof (GNUNET_HashCode));
-    xquery_size = sizeof (GNUNET_HashCode);
+    memcpy (buf, pr->public_data.namespace, sizeof (struct GNUNET_HashCode));
+    xquery_size = sizeof (struct GNUNET_HashCode);
   }
   if (0 != (pr->public_data.options & GSF_PRO_FORWARD_ONLY))
   {
@@ -1082,7 +1107,7 @@ GSF_dht_lookup_ (struct GSF_PendingRequest *pr)
     xquery_size += sizeof (struct GNUNET_PeerIdentity);
   }
   pr->gh =
-      GNUNET_DHT_get_start (GSF_dht, GNUNET_TIME_UNIT_FOREVER_REL,
+      GNUNET_DHT_get_start (GSF_dht, 
                             pr->public_data.type, &pr->public_data.query,
                             5 /* DEFAULT_GET_REPLICATION */ ,
                             GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE,
@@ -1103,9 +1128,8 @@ warn_delay_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
   struct GSF_PendingRequest *pr = cls;
 
   GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-              _("Datastore lookup already took %llu ms!\n"),
-              (unsigned long long)
-              GNUNET_TIME_absolute_get_duration (pr->qe_start).rel_value);
+              _("Datastore lookup already took %s!\n"),
+              GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (pr->qe_start), GNUNET_YES));
   pr->warn_task =
       GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES, &warn_delay_task,
                                     pr);
@@ -1124,9 +1148,8 @@ odc_warn_delay_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
   struct GSF_PendingRequest *pr = cls;
 
   GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-              _("On-demand lookup already took %llu ms!\n"),
-              (unsigned long long)
-              GNUNET_TIME_absolute_get_duration (pr->qe_start).rel_value);
+              _("On-demand lookup already took %s!\n"),
+              GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (pr->qe_start), GNUNET_YES));
   pr->warn_task =
       GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES,
                                     &odc_warn_delay_task, pr);
@@ -1151,7 +1174,7 @@ odc_warn_delay_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  *        maybe 0 if no unique identifier is available
  */
 static void
-process_local_reply (void *cls, const GNUNET_HashCode * key, size_t size,
+process_local_reply (void *cls, const struct GNUNET_HashCode * key, size_t size,
                      const void *data, enum GNUNET_BLOCK_Type type,
                      uint32_t priority, uint32_t anonymity,
                      struct GNUNET_TIME_Absolute expiration, uint64_t uid)
@@ -1159,7 +1182,7 @@ process_local_reply (void *cls, const GNUNET_HashCode * key, size_t size,
   struct GSF_PendingRequest *pr = cls;
   GSF_LocalLookupContinuation cont;
   struct ProcessReplyClosure prq;
-  GNUNET_HashCode query;
+  struct GNUNET_HashCode query;
   unsigned int old_rf;
 
   GNUNET_SCHEDULER_cancel (pr->warn_task);
@@ -1169,10 +1192,12 @@ process_local_reply (void *cls, const GNUNET_HashCode * key, size_t size,
     pr->qe = NULL;
     if (NULL == key)
     {
+#if INSANE_STATISTICS
       GNUNET_STATISTICS_update (GSF_stats,
                                 gettext_noop
                                 ("# Datastore lookups concluded (no results)"),
                                 1, GNUNET_NO);
+#endif
     }
     if (GNUNET_NO == pr->have_first_uid)
     {
@@ -1204,12 +1229,14 @@ process_local_reply (void *cls, const GNUNET_HashCode * key, size_t size,
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
                 "No further local responses available.\n");
+#if INSANE_STATISTICS
     if ((pr->public_data.type == GNUNET_BLOCK_TYPE_FS_DBLOCK) ||
         (pr->public_data.type == GNUNET_BLOCK_TYPE_FS_IBLOCK))
       GNUNET_STATISTICS_update (GSF_stats,
                                 gettext_noop
                                 ("# requested DBLOCK or IBLOCK not found"), 1,
                                 GNUNET_NO);
+#endif
     goto check_error_and_continue;
   }
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
@@ -1420,9 +1447,11 @@ GSF_local_lookup_ (struct GSF_PendingRequest *pr,
   pr->warn_task =
       GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES, &warn_delay_task,
                                     pr);
+#if INSANE_STATISTICS
   GNUNET_STATISTICS_update (GSF_stats,
                             gettext_noop ("# Datastore lookups initiated"), 1,
                             GNUNET_NO);
+#endif
   pr->qe =
       GNUNET_DATASTORE_get_key (GSF_dsh, pr->local_result_offset++,
                                 &pr->public_data.query,
@@ -1477,7 +1506,7 @@ GSF_handle_p2p_content_ (struct GSF_ConnectedPeer *cp,
   size_t dsize;
   enum GNUNET_BLOCK_Type type;
   struct GNUNET_TIME_Absolute expiration;
-  GNUNET_HashCode query;
+  struct GNUNET_HashCode query;
   struct ProcessReplyClosure prq;
   struct GNUNET_TIME_Relative block_time;
   double putl;
@@ -1509,10 +1538,7 @@ GSF_handle_p2p_content_ (struct GSF_ConnectedPeer *cp,
                             GNUNET_NO);
   /* now, lookup 'query' */
   prq.data = (const void *) &put[1];
-  if (NULL != cp)
-    prq.sender = cp;
-  else
-    prq.sender = NULL;
+  prq.sender = cp;
   prq.size = dsize;
   prq.type = type;
   prq.expiration = expiration;
@@ -1526,9 +1552,10 @@ GSF_handle_p2p_content_ (struct GSF_ConnectedPeer *cp,
     GSF_connected_peer_change_preference_ (cp,
                                            CONTENT_BANDWIDTH_VALUE +
                                            1000 * prq.priority);
-    GSF_get_peer_performance_data_ (cp)->trust += prq.priority;
+    GSF_get_peer_performance_data_ (cp)->respect += prq.priority;
   }
   if ((GNUNET_YES == active_to_migration) &&
+      (NULL != cp) &&
       (GNUNET_NO == test_put_load_too_high (prq.priority)))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
@@ -1551,7 +1578,7 @@ GSF_handle_p2p_content_ (struct GSF_ConnectedPeer *cp,
       put_migration_continuation (pmc, GNUNET_SYSERR, GNUNET_TIME_UNIT_ZERO_ABS, NULL);
     }
   }
-  else
+  else if (NULL != cp)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                 "Choosing not to keep content `%s' (%d/%d)\n",
@@ -1559,9 +1586,10 @@ GSF_handle_p2p_content_ (struct GSF_ConnectedPeer *cp,
                 test_put_load_too_high (prq.priority));
   }
   putl = GNUNET_LOAD_get_load (datastore_put_load);
-  if ((NULL != (cp = prq.sender)) && (GNUNET_NO == prq.request_found) &&
-      ((GNUNET_YES != active_to_migration) ||
-       (putl > 2.5 * (1 + prq.priority))))
+  if ( (NULL != cp) && 
+       (GNUNET_NO == prq.request_found) &&
+       ( (GNUNET_YES != active_to_migration) ||
+        (putl > 2.5 * (1 + prq.priority)) ) )
   {
     if (GNUNET_YES != active_to_migration)
       putl = 1.0 + GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 5);
@@ -1589,37 +1617,30 @@ GSF_handle_p2p_content_ (struct GSF_ConnectedPeer *cp,
 void
 GSF_pending_request_init_ ()
 {
-  unsigned long long bps;
+  unsigned long long dqs;
 
   if (GNUNET_OK !=
       GNUNET_CONFIGURATION_get_value_number (GSF_cfg, "fs",
                                              "MAX_PENDING_REQUESTS",
                                              &max_pending_requests))
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                _
-                ("Configuration fails to specify `%s', assuming default value."),
-                "MAX_PENDING_REQUESTS");
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_INFO,
+                              "fs", "MAX_PENDING_REQUESTS");
   }
   if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_size (GSF_cfg, "ats", "WAN_QUOTA_OUT",
-                                           &bps))
+      GNUNET_CONFIGURATION_get_value_size (GSF_cfg, "fs", "DATASTORE_QUEUE_SIZE",
+                                           &dqs))
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                _
-                ("Configuration fails to specify `%s', assuming default value."),
-                "WAN_QUOTA_OUT");
-    bps = 65536;
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_INFO,
+                              "fs", "DATASTORE_QUEUE_SIZE");
+    dqs = 1024;
   }
-  /* queue size should be #queries we can have pending and satisfy within
-   * a carry interval: */
-  datastore_queue_size =
-      bps * GNUNET_CONSTANTS_MAX_BANDWIDTH_CARRY_S / DBLOCK_SIZE;
+  datastore_queue_size = (unsigned int) dqs;
 
   active_to_migration =
       GNUNET_CONFIGURATION_get_value_yesno (GSF_cfg, "FS", "CONTENT_CACHING");
   datastore_put_load = GNUNET_LOAD_value_init (DATASTORE_LOAD_AUTODECLINE);
-  pr_map = GNUNET_CONTAINER_multihashmap_create (32 * 1024);
+  pr_map = GNUNET_CONTAINER_multihashmap_create (32 * 1024, GNUNET_YES);
   requests_by_expiration_heap =
       GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MIN);
 }