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[GNUnet-SVN] r36578 - gnunet/src/fs


From: gnunet
Subject: [GNUnet-SVN] r36578 - gnunet/src/fs
Date: Mon, 26 Oct 2015 01:53:33 +0100

Author: grothoff
Date: 2015-10-26 01:53:32 +0100 (Mon, 26 Oct 2015)
New Revision: 36578

Modified:
   gnunet/src/fs/gnunet-service-fs.c
   gnunet/src/fs/gnunet-service-fs_pe.c
   gnunet/src/fs/gnunet-service-fs_pr.c
   gnunet/src/fs/gnunet-service-fs_pr.h
Log:
potential fix for #4024

Modified: gnunet/src/fs/gnunet-service-fs.c
===================================================================
--- gnunet/src/fs/gnunet-service-fs.c   2015-10-26 00:01:25 UTC (rev 36577)
+++ gnunet/src/fs/gnunet-service-fs.c   2015-10-26 00:53:32 UTC (rev 36578)
@@ -591,6 +591,9 @@
   struct GSF_ConnectedPeer *cp = cls;
   struct GNUNET_PeerIdentity pid;
 
+  if (GNUNET_YES !=
+      GSF_pending_request_test_active_ (pr))
+    return GNUNET_YES; /* request is not actually active, skip! */
   GSF_connected_peer_get_identity_ (cp, &pid);
   if (GNUNET_YES !=
       GSF_pending_request_test_target_ (pr, &pid))

Modified: gnunet/src/fs/gnunet-service-fs_pe.c
===================================================================
--- gnunet/src/fs/gnunet-service-fs_pe.c        2015-10-26 00:01:25 UTC (rev 
36577)
+++ gnunet/src/fs/gnunet-service-fs_pe.c        2015-10-26 00:53:32 UTC (rev 
36578)
@@ -371,6 +371,8 @@
   rprd = GSF_pending_request_get_data_ (ret);
   for (bi = bi->next_PE; NULL != bi; bi = bi->next_PE)
   {
+    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)
     {
@@ -433,7 +435,8 @@
     return 0;
   }
   /* remove from root, add again elsewhere... */
-  GNUNET_assert (rp == GNUNET_CONTAINER_heap_remove_root (pp->priority_heap));
+  GNUNET_assert (rp ==
+                 GNUNET_CONTAINER_heap_remove_root (pp->priority_heap));
   rp->hn = NULL;
   rp->last_transmission = GNUNET_TIME_absolute_get ();
   rp->transmission_counter++;
@@ -443,8 +446,8 @@
               rp, rp->transmission_counter);
   plan (pp, rp);
   GNUNET_STATISTICS_update (GSF_stats,
-                            gettext_noop
-                            ("# query messages sent to other peers"), 1,
+                            gettext_noop ("# query messages sent to other 
peers"),
+                            1,
                             GNUNET_NO);
   return msize;
 }
@@ -477,7 +480,9 @@
           (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))
   {
@@ -512,7 +517,9 @@
 #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);
+  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 =
@@ -565,6 +572,8 @@
   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->pe_head->pr))
@@ -585,7 +594,8 @@
   mpr->merged = GNUNET_YES;
 #if INSANE_STATISTICS
   GNUNET_STATISTICS_update (GSF_stats,
-                            gettext_noop ("# requests merged"), 1,
+                            gettext_noop ("# requests merged"),
+                            1,
                             GNUNET_NO);
 #endif
   latest = get_latest (rp);
@@ -595,7 +605,8 @@
 #if INSANE_STATISTICS
     GNUNET_STATISTICS_update (GSF_stats,
                               gettext_noop ("# requests refreshed"),
-                              1, GNUNET_NO);
+                              1,
+                              GNUNET_NO);
 #endif
     rp->transmission_counter = 0;       /* reset */
   }
@@ -620,6 +631,8 @@
   struct GSF_PendingRequestPlanBijection *bi;
   struct MergeContext mpc;
 
+  GNUNET_assert (GNUNET_YES ==
+                 GSF_pending_request_test_active_ (pr));
   GNUNET_assert (NULL != cp);
   id = GSF_connected_peer_get_identity2_ (cp);
   pp = GNUNET_CONTAINER_multipeermap_get (plans, id);
@@ -715,12 +728,19 @@
   {
     GNUNET_break (GNUNET_YES ==
                   GNUNET_CONTAINER_multihashmap_remove (pp->plan_map,
-                                                        get_rp_key (rp), rp));
+                                                        get_rp_key (rp),
+                                                        rp));
     while (NULL != (bi = rp->pe_head))
     {
-      GNUNET_CONTAINER_MDLL_remove (PE, rp->pe_head, rp->pe_tail, bi);
+      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_CONTAINER_MDLL_remove (PR,
+                                    prd->pr_head,
+                                    prd->pr_tail,
+                                    bi);
       GNUNET_free (bi);
     }
     plan_count--;
@@ -731,19 +751,28 @@
   {
     GNUNET_break (GNUNET_YES ==
                   GNUNET_CONTAINER_multihashmap_remove (pp->plan_map,
-                                                        get_rp_key (rp), rp));
+                                                        get_rp_key (rp),
+                                                        rp));
     while (NULL != (bi = rp->pe_head))
     {
       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_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);
@@ -798,8 +827,15 @@
   while (NULL != (bi = prd->pr_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_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);
@@ -806,15 +842,16 @@
       plan_count--;
       GNUNET_break (GNUNET_YES ==
                     GNUNET_CONTAINER_multihashmap_remove (rp->pp->plan_map,
-                                                         
&GSF_pending_request_get_data_
-                                                         (bi->pr)->query,
+                                                         &prd->query,
                                                           rp));
       GNUNET_free (rp);
     }
     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);
 }
 
 
@@ -824,7 +861,8 @@
 void
 GSF_plan_init ()
 {
-  plans = GNUNET_CONTAINER_multipeermap_create (256, GNUNET_YES);
+  plans = GNUNET_CONTAINER_multipeermap_create (256,
+                                                GNUNET_YES);
 }
 
 

Modified: gnunet/src/fs/gnunet-service-fs_pr.c
===================================================================
--- gnunet/src/fs/gnunet-service-fs_pr.c        2015-10-26 00:01:25 UTC (rev 
36577)
+++ gnunet/src/fs/gnunet-service-fs_pr.c        2015-10-26 00:53:32 UTC (rev 
36578)
@@ -628,7 +628,9 @@
   if (NULL != (cont = pr->llc_cont))
   {
     pr->llc_cont = NULL;
-    cont (pr->llc_cont_cls, pr, pr->local_result);
+    cont (pr->llc_cont_cls,
+          pr,
+          pr->local_result);
   }
   GSF_plan_notify_request_done_ (pr);
   GNUNET_free_non_null (pr->replies_seen);
@@ -666,7 +668,8 @@
                                                        &pr->public_data.query,
                                                        pr));
   GNUNET_STATISTICS_update (GSF_stats,
-                            gettext_noop ("# Pending requests active"), -1,
+                            gettext_noop ("# Pending requests active"),
+                            -1,
                             GNUNET_NO);
   GNUNET_free (pr);
   return GNUNET_YES;
@@ -687,7 +690,7 @@
 
   if (NULL == pr_map)
     return;                     /* already cleaned up! */
-  if (GNUNET_YES != full_cleanup)
+  if (GNUNET_NO == full_cleanup)
   {
     /* make request inactive (we're no longer interested in more results),
      * but do NOT remove from our data-structures, we still need it there
@@ -1234,10 +1237,10 @@
     /* retry -- without delay, as this is non-anonymous
        and cadet/cadet connect will take some time anyway */
     pr->cadet_request = GSF_cadet_query (pr->public_data.target,
-                                       &pr->public_data.query,
-                                       pr->public_data.type,
-                                       &cadet_reply_proc,
-                                       pr);
+                                         &pr->public_data.query,
+                                         pr->public_data.type,
+                                         &cadet_reply_proc,
+                                         pr);
     return;
   }
   if (GNUNET_YES !=
@@ -1286,10 +1289,10 @@
   if (NULL != pr->cadet_request)
     return;
   pr->cadet_request = GSF_cadet_query (pr->public_data.target,
-                                    &pr->public_data.query,
-                                    pr->public_data.type,
-                                    &cadet_reply_proc,
-                                    pr);
+                                       &pr->public_data.query,
+                                       pr->public_data.type,
+                                       &cadet_reply_proc,
+                                       pr);
 }
 
 
@@ -1840,6 +1843,19 @@
 
 
 /**
+ * Check if the given request is still active.
+ *
+ * @param pr pending request
+ * @return #GNUNET_YES if the request is still active
+ */
+int
+GSF_pending_request_test_active_ (struct GSF_PendingRequest *pr)
+{
+  return (NULL != pr->rh) ? GNUNET_YES : GNUNET_NO;
+}
+
+
+/**
  * Setup the subsystem.
  */
 void
@@ -1868,7 +1884,9 @@
 void
 GSF_pending_request_done_ ()
 {
-  GNUNET_CONTAINER_multihashmap_iterate (pr_map, &clean_request, NULL);
+  GNUNET_CONTAINER_multihashmap_iterate (pr_map,
+                                         &clean_request,
+                                         NULL);
   GNUNET_CONTAINER_multihashmap_destroy (pr_map);
   pr_map = NULL;
   GNUNET_CONTAINER_heap_destroy (requests_by_expiration_heap);

Modified: gnunet/src/fs/gnunet-service-fs_pr.h
===================================================================
--- gnunet/src/fs/gnunet-service-fs_pr.h        2015-10-26 00:01:25 UTC (rev 
36577)
+++ gnunet/src/fs/gnunet-service-fs_pr.h        2015-10-26 00:53:32 UTC (rev 
36578)
@@ -222,16 +222,20 @@
 struct GSF_PendingRequest *
 GSF_pending_request_create_ (enum GSF_PendingRequestOptions options,
                              enum GNUNET_BLOCK_Type type,
-                             const struct GNUNET_HashCode * query,
+                             const struct GNUNET_HashCode *query,
                              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,
+                             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 struct GNUNET_HashCode * replies_seen,
+                             const struct GNUNET_HashCode *replies_seen,
                              unsigned int replies_seen_count,
-                             GSF_PendingRequestReplyHandler rh, void *rh_cls);
+                             GSF_PendingRequestReplyHandler rh,
+                             void *rh_cls);
 
 
 /**
@@ -240,11 +244,11 @@
  *
  * @param pr request to update
  * @param replies_seen hash codes of replies that we've seen
- * @param replies_seen_count size of the replies_seen array
+ * @param replies_seen_count size of the @a replies_seen array
  */
 void
 GSF_pending_request_update_ (struct GSF_PendingRequest *pr,
-                             const struct GNUNET_HashCode * replies_seen,
+                             const struct GNUNET_HashCode *replies_seen,
                              unsigned int replies_seen_count);
 
 
@@ -259,6 +263,16 @@
 
 
 /**
+ * Check if the given request is still active.
+ *
+ * @param pr pending request
+ * @return #GNUNET_YES if the request is still active
+ */
+int
+GSF_pending_request_test_active_ (struct GSF_PendingRequest *pr);
+
+
+/**
  * Test if two pending requests are compatible (would generate
  * the same query modulo filters and should thus be processed
  * jointly).
@@ -265,7 +279,7 @@
  *
  * @param pra a pending request
  * @param prb another pending request
- * @return GNUNET_OK if the requests are compatible
+ * @return #GNUNET_OK if the requests are compatible
  */
 int
 GSF_pending_request_is_compatible_ (struct GSF_PendingRequest *pra,
@@ -277,13 +291,14 @@
  * transmission to other peers (or at least determine its size).
  *
  * @param pr request to generate the message for
- * @param buf_size number of bytes available in buf
+ * @param buf_size number of bytes available in @a buf
  * @param buf where to copy the message (can be NULL)
- * @return number of bytes needed (if buf_size too small) or used
+ * @return number of bytes needed (if @a buf_size too small) or used
  */
 size_t
 GSF_pending_request_get_message_ (struct GSF_PendingRequest *pr,
-                                  size_t buf_size, void *buf);
+                                  size_t buf_size,
+                                  void *buf);
 
 
 /**
@@ -293,7 +308,8 @@
  * @param full_cleanup fully purge the request
  */
 void
-GSF_pending_request_cancel_ (struct GSF_PendingRequest *pr, int full_cleanup);
+GSF_pending_request_cancel_ (struct GSF_PendingRequest *pr,
+                             int full_cleanup);
 
 
 /**
@@ -303,11 +319,12 @@
  * @param cls closure
  * @param key query for the request
  * @param pr handle to the pending request
- * @return GNUNET_YES to continue to iterate
+ * @return #GNUNET_YES to continue to iterate
  */
-typedef int (*GSF_PendingRequestIterator) (void *cls,
-                                           const struct GNUNET_HashCode * key,
-                                           struct GSF_PendingRequest * pr);
+typedef int
+(*GSF_PendingRequestIterator) (void *cls,
+                               const struct GNUNET_HashCode *key,
+                               struct GSF_PendingRequest *pr);
 
 
 /**
@@ -317,7 +334,8 @@
  * @param cls closure for it
  */
 void
-GSF_iterate_pending_requests_ (GSF_PendingRequestIterator it, void *cls);
+GSF_iterate_pending_requests_ (GSF_PendingRequestIterator it,
+                               void *cls);
 
 
 /**
@@ -329,8 +347,8 @@
  * @param cp the other peer involved (sender or receiver, NULL
  *        for loopback messages where we are both sender and receiver)
  * @param message the actual message
- * @return GNUNET_OK if the message was well-formed,
- *         GNUNET_SYSERR if the message was malformed (close connection,
+ * @return #GNUNET_OK if the message was well-formed,
+ *         #GNUNET_SYSERR if the message was malformed (close connection,
  *         do not cache under any circumstances)
  */
 int
@@ -364,10 +382,10 @@
  * @param pr the pending request we were processing
  * @param result final datastore lookup result
  */
-typedef void (*GSF_LocalLookupContinuation) (void *cls,
-                                             struct GSF_PendingRequest * pr,
-                                             enum GNUNET_BLOCK_EvaluationResult
-                                             result);
+typedef void
+(*GSF_LocalLookupContinuation) (void *cls,
+                                struct GSF_PendingRequest *pr,
+                                enum GNUNET_BLOCK_EvaluationResult result);
 
 
 /**
@@ -375,11 +393,12 @@
  *
  * @param pr the pending request to process
  * @param cont function to call at the end
- * @param cont_cls closure for cont
+ * @param cont_cls closure for @a cont
  */
 void
 GSF_local_lookup_ (struct GSF_PendingRequest *pr,
-                   GSF_LocalLookupContinuation cont, void *cont_cls);
+                   GSF_LocalLookupContinuation cont,
+                   void *cont_cls);
 
 
 /**
@@ -387,7 +406,7 @@
  *
  * @param pr request
  * @param target
- * @return GNUNET_YES if this request could be forwarded to the given peer
+ * @return #GNUNET_YES if this request could be forwarded to the given peer
  */
 int
 GSF_pending_request_test_target_ (struct GSF_PendingRequest *pr,




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