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[GNUnet-SVN] r29714 - in gnunet/src: datastore include util


From: gnunet
Subject: [GNUnet-SVN] r29714 - in gnunet/src: datastore include util
Date: Mon, 30 Sep 2013 15:55:43 +0200

Author: grothoff
Date: 2013-09-30 15:55:43 +0200 (Mon, 30 Sep 2013)
New Revision: 29714

Added:
   gnunet/src/util/container_multipeermap.c
   gnunet/src/util/test_container_multipeermap.c
Modified:
   gnunet/src/datastore/plugin_datastore_sqlite.c
   gnunet/src/include/gnunet_container_lib.h
   gnunet/src/util/Makefile.am
   gnunet/src/util/container_multihashmap.c
   gnunet/src/util/container_multihashmap32.c
Log:
-adding specialized hash table for peer identities

Modified: gnunet/src/datastore/plugin_datastore_sqlite.c
===================================================================
--- gnunet/src/datastore/plugin_datastore_sqlite.c      2013-09-30 13:06:17 UTC 
(rev 29713)
+++ gnunet/src/datastore/plugin_datastore_sqlite.c      2013-09-30 13:55:43 UTC 
(rev 29714)
@@ -470,7 +470,7 @@
  * @param replication replication-level for the content
  * @param expiration expiration time for the content
  * @param msg set to an error message
- * @return GNUNET_OK on success
+ * @return #GNUNET_OK on success
  */
 static int
 sqlite_plugin_put (void *cls, const struct GNUNET_HashCode * key, uint32_t 
size,

Modified: gnunet/src/include/gnunet_container_lib.h
===================================================================
--- gnunet/src/include/gnunet_container_lib.h   2013-09-30 13:06:17 UTC (rev 
29713)
+++ gnunet/src/include/gnunet_container_lib.h   2013-09-30 13:55:43 UTC (rev 
29714)
@@ -634,8 +634,7 @@
  * @param map the map
  */
 void
-GNUNET_CONTAINER_multihashmap_destroy (struct GNUNET_CONTAINER_MultiHashMap
-                                       *map);
+GNUNET_CONTAINER_multihashmap_destroy (struct GNUNET_CONTAINER_MultiHashMap 
*map);
 
 
 /**
@@ -650,8 +649,8 @@
  *   key-value pairs with value NULL
  */
 void *
-GNUNET_CONTAINER_multihashmap_get (const struct GNUNET_CONTAINER_MultiHashMap
-                                   *map, const struct GNUNET_HashCode * key);
+GNUNET_CONTAINER_multihashmap_get (const struct GNUNET_CONTAINER_MultiHashMap 
*map, 
+                                   const struct GNUNET_HashCode *key);
 
 
 /**
@@ -668,7 +667,7 @@
  */
 int
 GNUNET_CONTAINER_multihashmap_remove (struct GNUNET_CONTAINER_MultiHashMap 
*map,
-                                      const struct GNUNET_HashCode * key, 
+                                      const struct GNUNET_HashCode *key, 
                                      const void *value);
 
 /**
@@ -681,8 +680,8 @@
  * @return number of values removed
  */
 int
-GNUNET_CONTAINER_multihashmap_remove_all (struct GNUNET_CONTAINER_MultiHashMap
-                                          *map, const struct GNUNET_HashCode * 
key);
+GNUNET_CONTAINER_multihashmap_remove_all (struct GNUNET_CONTAINER_MultiHashMap 
*map, 
+                                          const struct GNUNET_HashCode *key);
 
 
 /**
@@ -696,8 +695,7 @@
  *         #GNUNET_NO if not
  */
 int
-GNUNET_CONTAINER_multihashmap_contains (const struct
-                                        GNUNET_CONTAINER_MultiHashMap *map,
+GNUNET_CONTAINER_multihashmap_contains (const struct 
GNUNET_CONTAINER_MultiHashMap *map,
                                         const struct GNUNET_HashCode * key);
 
 
@@ -713,9 +711,8 @@
  *         #GNUNET_NO if not
  */
 int
-GNUNET_CONTAINER_multihashmap_contains_value (const struct
-                                              GNUNET_CONTAINER_MultiHashMap
-                                              *map, const struct 
GNUNET_HashCode * key,
+GNUNET_CONTAINER_multihashmap_contains_value (const struct 
GNUNET_CONTAINER_MultiHashMap *map, 
+                                              const struct GNUNET_HashCode 
*key,
                                               const void *value);
 
 
@@ -729,7 +726,7 @@
  * @param opt options for put
  * @return #GNUNET_OK on success,
  *         #GNUNET_NO if a value was replaced (with REPLACE)
- *         #GNUNET_SYSERR if UNIQUE_ONLY was the option and the
+ *         #GNUNET_SYSERR if #GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY 
was the option and the
  *                       value already exists
  */
 int
@@ -772,7 +769,7 @@
  * Create an iterator for a multihashmap.
  * The iterator can be used to retrieve all the elements in the multihashmap
  * one by one, without having to handle all elements at once (in contrast to
- * 'GNUNET_CONTAINER_multihashmap_iterate').  Note that the iterator can not be
+ * #GNUNET_CONTAINER_multihashmap_iterate).  Note that the iterator can not be
  * used anymore if elements have been removed from 'map' after the creation of
  * the iterator, or 'map' has been destroyed.  Adding elements to 'map' may
  * result in skipped or repeated elements.
@@ -801,7 +798,8 @@
  */
 int
 GNUNET_CONTAINER_multihashmap_iterator_next (struct 
GNUNET_CONTAINER_MultiHashMapIterator *iter,
-                                             struct GNUNET_HashCode *key, 
const void **value);
+                                             struct GNUNET_HashCode *key, 
+                                             const void **value);
 
 
 /**
@@ -832,6 +830,250 @@
                                             GNUNET_CONTAINER_HashMapIterator 
it,
                                             void *it_cls);
 
+
+/* ***************** Version of Multihashmap for peer identities 
****************** */
+
+/**
+ * @ingroup hashmap
+ * Iterator over hash map entries.
+ *
+ * @param cls closure
+ * @param key current public key
+ * @param value value in the hash map
+ * @return #GNUNET_YES if we should continue to
+ *         iterate,
+ *         #GNUNET_NO if not.
+ */
+typedef int (*GNUNET_CONTAINER_PeerMapIterator) (void *cls,
+                                                 const struct 
GNUNET_PeerIdentity *key,
+                                                 void *value);
+
+
+/**
+ * @ingroup hashmap
+ * Create a multi peer map (hash map for public keys of peers).
+ *
+ * @param len initial size (map will grow as needed)
+ * @param do_not_copy_keys #GNUNET_NO is always safe and should be used by 
default;
+ *                         #GNUNET_YES means that on 'put', the 'key' does not 
have
+ *                         to be copied as the destination of the pointer is 
+ *                         guaranteed to be life as long as the value is 
stored in
+ *                         the hashmap.  This can significantly reduce memory 
+ *                         consumption, but of course is also a recipie for 
+ *                         heap corruption if the assumption is not true.  Only
+ *                         use this if (1) memory use is important in this 
case and
+ *                         (2) you have triple-checked that the invariant holds
+ * @return NULL on error
+ */
+struct GNUNET_CONTAINER_MultiPeerMap *
+GNUNET_CONTAINER_multipeermap_create (unsigned int len,
+                                     int do_not_copy_keys);
+
+
+/**
+ * @ingroup hashmap
+ * Destroy a hash map.  Will not free any values
+ * stored in the hash map!
+ *
+ * @param map the map
+ */
+void
+GNUNET_CONTAINER_multipeermap_destroy (struct GNUNET_CONTAINER_MultiPeerMap 
*map);
+
+
+/**
+ * @ingroup hashmap
+ * Given a key find a value in the map matching the key.
+ *
+ * @param map the map
+ * @param key what to look for
+ * @return NULL if no value was found; note that
+ *   this is indistinguishable from values that just
+ *   happen to be NULL; use "contains" to test for
+ *   key-value pairs with value NULL
+ */
+void *
+GNUNET_CONTAINER_multipeermap_get (const struct GNUNET_CONTAINER_MultiPeerMap 
*map, 
+                                   const struct GNUNET_PeerIdentity *key);
+
+
+/**
+ * @ingroup hashmap
+ * Remove the given key-value pair from the map.  Note that if the
+ * key-value pair is in the map multiple times, only one of the pairs
+ * will be removed.
+ *
+ * @param map the map
+ * @param key key of the key-value pair
+ * @param value value of the key-value pair
+ * @return #GNUNET_YES on success, #GNUNET_NO if the key-value pair
+ *  is not in the map
+ */
+int
+GNUNET_CONTAINER_multipeermap_remove (struct GNUNET_CONTAINER_MultiPeerMap 
*map,
+                                      const struct GNUNET_PeerIdentity * key, 
+                                     const void *value);
+
+/**
+ * @ingroup hashmap
+ * Remove all entries for the given key from the map.
+ * Note that the values would not be "freed".
+ *
+ * @param map the map
+ * @param key identifies values to be removed
+ * @return number of values removed
+ */
+int
+GNUNET_CONTAINER_multipeermap_remove_all (struct GNUNET_CONTAINER_MultiPeerMap 
*map, 
+                                          const struct GNUNET_PeerIdentity 
*key);
+
+
+/**
+ * @ingroup hashmap
+ * Check if the map contains any value under the given
+ * key (including values that are NULL).
+ *
+ * @param map the map
+ * @param key the key to test if a value exists for it
+ * @return #GNUNET_YES if such a value exists,
+ *         #GNUNET_NO if not
+ */
+int
+GNUNET_CONTAINER_multipeermap_contains (const struct 
GNUNET_CONTAINER_MultiPeerMap *map,
+                                        const struct GNUNET_PeerIdentity *key);
+
+
+/**
+ * @ingroup hashmap
+ * Check if the map contains the given value under the given
+ * key.
+ *
+ * @param map the map
+ * @param key the key to test if a value exists for it
+ * @param value value to test for
+ * @return #GNUNET_YES if such a value exists,
+ *         #GNUNET_NO if not
+ */
+int
+GNUNET_CONTAINER_multipeermap_contains_value (const struct 
GNUNET_CONTAINER_MultiPeerMap *map, 
+                                              const struct GNUNET_PeerIdentity 
* key,
+                                              const void *value);
+
+
+/**
+ * @ingroup hashmap
+ * Store a key-value pair in the map.
+ *
+ * @param map the map
+ * @param key key to use
+ * @param value value to use
+ * @param opt options for put
+ * @return #GNUNET_OK on success,
+ *         #GNUNET_NO if a value was replaced (with REPLACE)
+ *         #GNUNET_SYSERR if #GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY 
was the option and the
+ *                       value already exists
+ */
+int
+GNUNET_CONTAINER_multipeermap_put (struct GNUNET_CONTAINER_MultiPeerMap *map,
+                                   const struct GNUNET_PeerIdentity *key, 
+                                   void *value,
+                                   enum GNUNET_CONTAINER_MultiHashMapOption 
opt);
+
+
+/**
+ * @ingroup hashmap
+ * Get the number of key-value pairs in the map.
+ *
+ * @param map the map
+ * @return the number of key value pairs
+ */
+unsigned int
+GNUNET_CONTAINER_multipeermap_size (const struct GNUNET_CONTAINER_MultiPeerMap 
*map);
+
+
+/**
+ * @ingroup hashmap
+ * Iterate over all entries in the map.
+ *
+ * @param map the map
+ * @param it function to call on each entry
+ * @param it_cls extra argument to @a it
+ * @return the number of key value pairs processed,
+ *         #GNUNET_SYSERR if it aborted iteration
+ */
+int
+GNUNET_CONTAINER_multipeermap_iterate (const struct 
GNUNET_CONTAINER_MultiPeerMap *map,
+                                       GNUNET_CONTAINER_PeerMapIterator it,
+                                       void *it_cls);
+
+
+/**
+ * @ingroup hashmap
+ * Create an iterator for a multihashmap.
+ * The iterator can be used to retrieve all the elements in the multihashmap
+ * one by one, without having to handle all elements at once (in contrast to
+ * #GNUNET_CONTAINER_multipeermap_iterate).  Note that the iterator can not be
+ * used anymore if elements have been removed from @a map after the creation of
+ * the iterator, or 'map' has been destroyed.  Adding elements to @a map may
+ * result in skipped or repeated elements.
+ *
+ * @param map the map to create an iterator for
+ * @return an iterator over the given multihashmap @a map
+ */
+struct GNUNET_CONTAINER_MultiPeerMapIterator *
+GNUNET_CONTAINER_multipeermap_iterator_create (const struct 
GNUNET_CONTAINER_MultiPeerMap *map);
+
+
+/**
+ * @ingroup hashmap 
+ * Retrieve the next element from the hash map at the iterator's
+ * position.  If there are no elements left, #GNUNET_NO is returned,
+ * and @a key and @a value are not modified.  This operation is only
+ * allowed if no elements have been removed from the multihashmap
+ * since the creation of @a iter, and the map has not been destroyed.
+ * Adding elements may result in repeating or skipping elements.
+ *
+ * @param iter the iterator to get the next element from
+ * @param key pointer to store the key in, can be NULL
+ * @param value pointer to store the value in, can be NULL
+ * @return #GNUNET_YES we returned an element,
+ *         #GNUNET_NO if we are out of elements
+ */
+int
+GNUNET_CONTAINER_multipeermap_iterator_next (struct 
GNUNET_CONTAINER_MultiPeerMapIterator *iter,
+                                             struct GNUNET_PeerIdentity *key, 
+                                             const void **value);
+
+
+/**
+ * @ingroup hashmap 
+ * Destroy a multipeermap iterator.
+ *
+ * @param iter the iterator to destroy
+ */
+void
+GNUNET_CONTAINER_multipeermap_iterator_destroy (struct 
GNUNET_CONTAINER_MultiPeerMapIterator *iter);
+
+
+/**
+ * @ingroup hashmap 
+ * Iterate over all entries in the map that match a particular key.
+ *
+ * @param map the map
+ * @param key public key that the entries must correspond to
+ * @param it function to call on each entry
+ * @param it_cls extra argument to @a it
+ * @return the number of key value pairs processed,
+ *         #GNUNET_SYSERR if it aborted iteration
+ */
+int
+GNUNET_CONTAINER_multipeermap_get_multiple (const struct 
GNUNET_CONTAINER_MultiPeerMap *map,
+                                            const struct GNUNET_PeerIdentity 
*key,
+                                            GNUNET_CONTAINER_PeerMapIterator 
it,
+                                            void *it_cls);
+
+
+
 /* Version of multihashmap with 32 bit keys */
 
 /**
@@ -939,8 +1181,7 @@
  *  is not in the map
  */
 int
-GNUNET_CONTAINER_multihashmap32_remove (struct GNUNET_CONTAINER_MultiHashMap32
-                                        *map,
+GNUNET_CONTAINER_multihashmap32_remove (struct GNUNET_CONTAINER_MultiHashMap32 
*map,
                                         uint32_t key, 
                                        const void *value);
 
@@ -955,9 +1196,7 @@
  * @return number of values removed
  */
 int
-GNUNET_CONTAINER_multihashmap32_remove_all (struct
-                                            GNUNET_CONTAINER_MultiHashMap32
-                                            *map,
+GNUNET_CONTAINER_multihashmap32_remove_all (struct 
GNUNET_CONTAINER_MultiHashMap32 *map,
                                             uint32_t key);
 
 
@@ -972,8 +1211,7 @@
  *         #GNUNET_NO if not
  */
 int
-GNUNET_CONTAINER_multihashmap32_contains (const struct
-                                          GNUNET_CONTAINER_MultiHashMap32 *map,
+GNUNET_CONTAINER_multihashmap32_contains (const struct 
GNUNET_CONTAINER_MultiHashMap32 *map,
                                           uint32_t key);
 
 
@@ -989,9 +1227,7 @@
  *         #GNUNET_NO if not
  */
 int
-GNUNET_CONTAINER_multihashmap32_contains_value (const struct
-                                                GNUNET_CONTAINER_MultiHashMap32
-                                                *map, 
+GNUNET_CONTAINER_multihashmap32_contains_value (const struct 
GNUNET_CONTAINER_MultiHashMap32 *map, 
                                                 uint32_t key,
                                                 const void *value);
 
@@ -1010,10 +1246,10 @@
  *                       value already exists
  */
 int
-GNUNET_CONTAINER_multihashmap32_put (struct GNUNET_CONTAINER_MultiHashMap32
-                                     *map, uint32_t key, void *value,
-                                     enum GNUNET_CONTAINER_MultiHashMapOption
-                                     opt);
+GNUNET_CONTAINER_multihashmap32_put (struct GNUNET_CONTAINER_MultiHashMap32 
*map, 
+                                     uint32_t key, 
+                                     void *value,
+                                     enum GNUNET_CONTAINER_MultiHashMapOption 
opt);
 
 
 /**
@@ -1028,11 +1264,10 @@
  *         #GNUNET_SYSERR if it aborted iteration
  */
 int
-GNUNET_CONTAINER_multihashmap32_get_multiple (const struct
-                                              GNUNET_CONTAINER_MultiHashMap32
-                                              *map, uint32_t key,
-                                              
GNUNET_CONTAINER_HashMapIterator32 
-                                              it, void *it_cls);
+GNUNET_CONTAINER_multihashmap32_get_multiple (const struct 
GNUNET_CONTAINER_MultiHashMap32 *map, 
+                                              uint32_t key,
+                                              
GNUNET_CONTAINER_HashMapIterator32 it,
+                                              void *it_cls);
 
 
 

Modified: gnunet/src/util/Makefile.am
===================================================================
--- gnunet/src/util/Makefile.am 2013-09-30 13:06:17 UTC (rev 29713)
+++ gnunet/src/util/Makefile.am 2013-09-30 13:55:43 UTC (rev 29714)
@@ -73,6 +73,7 @@
   container_heap.c \
   container_meta_data.c \
   container_multihashmap.c \
+  container_multipeermap.c \
   container_multihashmap32.c \
   container_slist.c \
   crypto_symmetric.c \
@@ -204,6 +205,7 @@
  test_container_meta_data \
  test_container_multihashmap \
  test_container_multihashmap32 \
+ test_container_multipeermap \
  test_container_heap \
  test_container_slist \
  test_crypto_symmetric \
@@ -310,6 +312,11 @@
 test_container_multihashmap32_LDADD = \
  $(top_builddir)/src/util/libgnunetutil.la
 
+test_container_multipeermap_SOURCES = \
+ test_container_multipeermap.c
+test_container_multipeermap_LDADD = \
+ $(top_builddir)/src/util/libgnunetutil.la
+
 test_container_heap_SOURCES = \
  test_container_heap.c
 test_container_heap_LDADD = \

Modified: gnunet/src/util/container_multihashmap.c
===================================================================
--- gnunet/src/util/container_multihashmap.c    2013-09-30 13:06:17 UTC (rev 
29713)
+++ gnunet/src/util/container_multihashmap.c    2013-09-30 13:55:43 UTC (rev 
29714)
@@ -180,7 +180,7 @@
   struct GNUNET_CONTAINER_MultiHashMap *map;
 
   GNUNET_assert (len > 0);
-  map = GNUNET_malloc (sizeof (struct GNUNET_CONTAINER_MultiHashMap));
+  map = GNUNET_new (struct GNUNET_CONTAINER_MultiHashMap);
   map->map = GNUNET_malloc (len * sizeof (union MapEntry));
   map->map_length = len;
   map->use_small_entries = do_not_copy_keys;
@@ -718,7 +718,7 @@
   {
     struct SmallMapEntry *sme;
     
-    sme = GNUNET_malloc (sizeof (struct SmallMapEntry));
+    sme = GNUNET_new (struct SmallMapEntry);
     sme->key = key;
     sme->value = value;
     sme->next = map->map[i].sme;
@@ -728,7 +728,7 @@
   {
     struct BigMapEntry *bme;
     
-    bme = GNUNET_malloc (sizeof (struct BigMapEntry));
+    bme = GNUNET_new (struct BigMapEntry);
     bme->key = *key;
     bme->value = value;
     bme->next = map->map[i].bme;

Modified: gnunet/src/util/container_multihashmap32.c
===================================================================
--- gnunet/src/util/container_multihashmap32.c  2013-09-30 13:06:17 UTC (rev 
29713)
+++ gnunet/src/util/container_multihashmap32.c  2013-09-30 13:55:43 UTC (rev 
29714)
@@ -90,7 +90,7 @@
   struct GNUNET_CONTAINER_MultiHashMap32 *ret;
 
   GNUNET_assert (len > 0);
-  ret = GNUNET_malloc (sizeof (struct GNUNET_CONTAINER_MultiHashMap32));
+  ret = GNUNET_new (struct GNUNET_CONTAINER_MultiHashMap32);
   ret->map = GNUNET_malloc (len * sizeof (struct MapEntry *));
   ret->map_length = len;
   return ret;
@@ -448,7 +448,7 @@
     grow (map);
     i = idx_of (map, key);
   }
-  e = GNUNET_malloc (sizeof (struct MapEntry));
+  e = GNUNET_new (struct MapEntry);
   e->key = key;
   e->value = value;
   e->next = map->map[i];

Added: gnunet/src/util/container_multipeermap.c
===================================================================
--- gnunet/src/util/container_multipeermap.c                            (rev 0)
+++ gnunet/src/util/container_multipeermap.c    2013-09-30 13:55:43 UTC (rev 
29714)
@@ -0,0 +1,893 @@
+/*
+     This file is part of GNUnet.
+     (C) 2008, 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
+     by the Free Software Foundation; either version 3, 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.
+
+     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.
+*/
+/**
+ * @file util/container_multipeermap.c
+ * @brief hash map where the same key may be present multiple times
+ * @author Christian Grothoff
+ */
+
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_container_lib.h"
+#include "gnunet_crypto_lib.h"
+
+#define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
+
+/**
+ * An entry in the hash map with the full key.
+ */
+struct BigMapEntry
+{
+
+  /**
+   * Value of the entry.
+   */
+  void *value;
+
+  /**
+   * If there is a hash collision, we create a linked list.
+   */
+  struct BigMapEntry *next;
+
+  /**
+   * Key for the entry.
+   */
+  struct GNUNET_PeerIdentity key;
+
+};
+
+
+/**
+ * An entry in the hash map with just a pointer to the key.
+ */
+struct SmallMapEntry
+{
+
+  /**
+   * Value of the entry.
+   */
+  void *value;
+
+  /**
+   * If there is a hash collision, we create a linked list.
+   */
+  struct SmallMapEntry *next;
+  
+  /**
+   * Key for the entry.
+   */
+  const struct GNUNET_PeerIdentity *key;
+
+};
+
+
+/**
+ * Entry in the map.
+ */
+union MapEntry
+{
+  /**
+   * Variant used if map entries only contain a pointer to the key.
+   */
+  struct SmallMapEntry *sme;
+
+  /**
+   * Variant used if map entries contain the full key.
+   */
+  struct BigMapEntry *bme;
+};
+
+
+/**
+ * Internal representation of the hash map.
+ */
+struct GNUNET_CONTAINER_MultiPeerMap
+{
+  /**
+   * All of our buckets.
+   */
+  union MapEntry *map;
+
+  /**
+   * Number of entries in the map.
+   */
+  unsigned int size;
+
+  /**
+   * Length of the "map" array.
+   */
+  unsigned int map_length;
+
+  /**
+   * GNUNET_NO if the map entries are of type 'struct BigMapEntry',
+   * GNUNET_YES if the map entries are of type 'struct SmallMapEntry'.
+   */
+  int use_small_entries;
+
+  /**
+   * Counts the destructive modifications (grow, remove)
+   * to the map, so that iterators can check if they are still valid.
+   */
+  unsigned int modification_counter;
+};
+
+
+/**
+ * Cursor into a multipeermap.
+ * Allows to enumerate elements asynchronously.
+ */
+struct GNUNET_CONTAINER_MultiPeerMapIterator
+{
+  /**
+   * Position in the bucket 'idx'
+   */
+  union MapEntry me;
+
+  /**
+   * Current bucket index.
+   */
+  unsigned int idx;
+
+  /**
+   * Modification counter as observed on the map when the iterator
+   * was created.
+   */
+  unsigned int modification_counter;
+
+  /**
+   * Map that we are iterating over.
+   */
+  const struct GNUNET_CONTAINER_MultiPeerMap *map;
+};
+
+
+/**
+ * Create a multi hash map.
+ *
+ * @param len initial size (map will grow as needed)
+ * @param do_not_copy_keys GNUNET_NO is always safe and should be used by 
default;
+ *                         GNUNET_YES means that on 'put', the 'key' does not 
have
+ *                         to be copied as the destination of the pointer is 
+ *                         guaranteed to be life as long as the value is 
stored in
+ *                         the hashmap.  This can significantly reduce memory 
+ *                         consumption, but of course is also a recipie for 
+ *                         heap corruption if the assumption is not true.  Only
+ *                         use this if (1) memory use is important in this 
case and
+ *                         (2) you have triple-checked that the invariant holds
+ * @return NULL on error
+ */
+struct GNUNET_CONTAINER_MultiPeerMap *
+GNUNET_CONTAINER_multipeermap_create (unsigned int len,
+                                     int do_not_copy_keys)
+{
+  struct GNUNET_CONTAINER_MultiPeerMap *map;
+
+  GNUNET_assert (len > 0);
+  map = GNUNET_new (struct GNUNET_CONTAINER_MultiPeerMap);
+  map->map = GNUNET_malloc (len * sizeof (union MapEntry));
+  map->map_length = len;
+  map->use_small_entries = do_not_copy_keys;
+  return map;
+}
+
+
+/**
+ * Destroy a hash map.  Will not free any values
+ * stored in the hash map!
+ *
+ * @param map the map
+ */
+void
+GNUNET_CONTAINER_multipeermap_destroy (struct GNUNET_CONTAINER_MultiPeerMap
+                                       *map)
+{
+  unsigned int i;
+  union MapEntry me;
+
+  for (i = 0; i < map->map_length; i++)
+  {
+    me = map->map[i];
+    if (map->use_small_entries)
+    {
+      struct SmallMapEntry *sme;
+      struct SmallMapEntry *nxt;
+
+      nxt = me.sme;
+      while (NULL != (sme = nxt))
+      {
+       nxt = sme->next;
+       GNUNET_free (sme);
+      }
+      me.sme = NULL;
+    }
+    else
+    {
+      struct BigMapEntry *bme;
+      struct BigMapEntry *nxt;
+
+      nxt = me.bme;
+      while (NULL != (bme = nxt))
+      {
+       nxt = bme->next;
+       GNUNET_free (bme);
+      }
+      me.bme = NULL;
+    }
+  }
+  GNUNET_free (map->map);
+  GNUNET_free (map);
+}
+
+
+/**
+ * Compute the index of the bucket for the given key.
+ *
+ * @param map hash map for which to compute the index
+ * @param key what key should the index be computed for
+ * @return offset into the "map" array of "map"
+ */
+static unsigned int
+idx_of (const struct GNUNET_CONTAINER_MultiPeerMap *map,
+        const struct GNUNET_PeerIdentity *key)
+{
+  GNUNET_assert (map != NULL);
+  return (*(unsigned int *) key) % map->map_length;
+}
+
+
+/**
+ * Get the number of key-value pairs in the map.
+ *
+ * @param map the map
+ * @return the number of key value pairs
+ */
+unsigned int
+GNUNET_CONTAINER_multipeermap_size (const struct GNUNET_CONTAINER_MultiPeerMap
+                                    *map)
+{
+  return map->size;
+}
+
+
+/**
+ * Given a key find a value in the map matching the key.
+ *
+ * @param map the map
+ * @param key what to look for
+ * @return NULL if no value was found; note that
+ *   this is indistinguishable from values that just
+ *   happen to be NULL; use "contains" to test for
+ *   key-value pairs with value NULL
+ */
+void *
+GNUNET_CONTAINER_multipeermap_get (const struct GNUNET_CONTAINER_MultiPeerMap
+                                   *map, const struct GNUNET_PeerIdentity *key)
+{
+  union MapEntry me;
+
+  me = map->map[idx_of (map, key)];
+  if (map->use_small_entries)
+  {
+    struct SmallMapEntry *sme;
+
+    for (sme = me.sme; NULL != sme; sme = sme->next)
+      if (0 == memcmp (key, sme->key, sizeof (struct GNUNET_PeerIdentity)))
+       return sme->value;
+  }
+  else
+  {
+    struct BigMapEntry *bme;
+
+    for (bme = me.bme; NULL != bme; bme = bme->next)
+      if (0 == memcmp (key, &bme->key, sizeof (struct GNUNET_PeerIdentity)))
+       return bme->value;
+  }
+  return NULL;
+}
+
+
+/**
+ * Iterate over all entries in the map.
+ *
+ * @param map the map
+ * @param it function to call on each entry
+ * @param it_cls extra argument to @a it
+ * @return the number of key value pairs processed,
+ *         #GNUNET_SYSERR if it aborted iteration
+ */
+int
+GNUNET_CONTAINER_multipeermap_iterate (const struct
+                                       GNUNET_CONTAINER_MultiPeerMap *map,
+                                       GNUNET_CONTAINER_PeerMapIterator it,
+                                       void *it_cls)
+{
+  int count;
+  unsigned int i;
+  union MapEntry me;
+  struct GNUNET_PeerIdentity kc;
+
+  count = 0;
+  GNUNET_assert (NULL != map);
+  for (i = 0; i < map->map_length; i++)
+  {
+    me = map->map[i];
+    if (map->use_small_entries)
+    {
+      struct SmallMapEntry *sme;
+      struct SmallMapEntry *nxt;
+
+      nxt = me.sme; 
+      while (NULL != (sme = nxt))
+      {
+       nxt = sme->next;
+       if (NULL != it)
+       {
+         if (GNUNET_OK != it (it_cls, sme->key, sme->value))
+           return GNUNET_SYSERR;
+       }
+       count++;
+      }
+    }
+    else
+    {
+      struct BigMapEntry *bme;
+      struct BigMapEntry *nxt;
+
+      nxt = me.bme; 
+      while (NULL != (bme = nxt))
+      {
+       nxt = bme->next;
+       if (NULL != it)
+       {
+         kc = bme->key;
+         if (GNUNET_OK != it (it_cls, &kc, bme->value))
+           return GNUNET_SYSERR;
+       }
+       count++;
+      }
+    }
+  }
+  return count;
+}
+
+
+/**
+ * Remove the given key-value pair from the map.  Note that if the
+ * key-value pair is in the map multiple times, only one of the pairs
+ * will be removed.
+ *
+ * @param map the map
+ * @param key key of the key-value pair
+ * @param value value of the key-value pair
+ * @return GNUNET_YES on success, GNUNET_NO if the key-value pair
+ *  is not in the map
+ */
+int
+GNUNET_CONTAINER_multipeermap_remove (struct GNUNET_CONTAINER_MultiPeerMap 
*map,
+                                      const struct GNUNET_PeerIdentity *key, 
+                                     const void *value)
+{
+  union MapEntry me;
+  unsigned int i;
+
+  map->modification_counter++;
+
+  i = idx_of (map, key);
+  me = map->map[i];
+  if (map->use_small_entries)
+  {  
+    struct SmallMapEntry *sme;
+    struct SmallMapEntry *p;
+
+    p = NULL;
+    for (sme = me.sme; NULL != sme; sme = sme->next)
+    {
+      if ((0 == memcmp (key, sme->key, sizeof (struct GNUNET_PeerIdentity))) &&
+         (value == sme->value))
+      {
+       if (NULL == p)
+         map->map[i].sme = sme->next;
+       else
+         p->next = sme->next;
+       GNUNET_free (sme);
+       map->size--;
+       return GNUNET_YES;
+      }
+      p = sme;
+    }
+  }
+  else
+  {
+    struct BigMapEntry *bme;
+    struct BigMapEntry *p;
+
+    p = NULL;
+    for (bme = me.bme; NULL != bme; bme = bme->next)
+    {
+      if ((0 == memcmp (key, &bme->key, sizeof (struct GNUNET_PeerIdentity))) 
&&
+         (value == bme->value))
+      {
+       if (NULL == p)
+         map->map[i].bme = bme->next;
+       else
+         p->next = bme->next;
+       GNUNET_free (bme);
+       map->size--;
+       return GNUNET_YES;
+      }
+      p = bme;
+    }
+  }
+  return GNUNET_NO;
+}
+
+
+/**
+ * Remove all entries for the given key from the map.
+ * Note that the values would not be "freed".
+ *
+ * @param map the map
+ * @param key identifies values to be removed
+ * @return number of values removed
+ */
+int
+GNUNET_CONTAINER_multipeermap_remove_all (struct GNUNET_CONTAINER_MultiPeerMap
+                                          *map, const struct 
GNUNET_PeerIdentity *key)
+{
+  union MapEntry me;
+  unsigned int i;
+  int ret;
+
+  map->modification_counter++;
+
+  ret = 0;
+  i = idx_of (map, key);
+  me = map->map[i];
+  if (map->use_small_entries)
+  {  
+    struct SmallMapEntry *sme;
+    struct SmallMapEntry *p;
+
+    p = NULL;
+    sme = me.sme;
+    while (NULL != sme)
+    {
+      if (0 == memcmp (key, sme->key, sizeof (struct GNUNET_PeerIdentity)))
+      {
+       if (NULL == p)
+         map->map[i].sme = sme->next;
+       else
+         p->next = sme->next;
+       GNUNET_free (sme);
+       map->size--;
+       if (NULL == p)
+         sme = map->map[i].sme;
+       else
+         sme = p->next;
+       ret++;  
+      }
+      else
+      {
+       p = sme;
+       sme = sme->next;
+      }
+    }
+  }
+  else
+  {
+    struct BigMapEntry *bme;
+    struct BigMapEntry *p;
+
+    p = NULL;
+    bme = me.bme;
+    while (NULL != bme)
+    {
+      if (0 == memcmp (key, &bme->key, sizeof (struct GNUNET_PeerIdentity)))
+      {
+       if (NULL == p)
+         map->map[i].bme = bme->next;
+       else
+         p->next = bme->next;
+       GNUNET_free (bme);
+       map->size--;
+       if (NULL == p)
+         bme = map->map[i].bme;
+       else
+         bme = p->next;
+       ret++;
+      }
+      else
+      {
+       p = bme;
+       bme = bme->next;
+      }
+    }
+  }
+  return ret;
+}
+
+
+/**
+ * Check if the map contains any value under the given
+ * key (including values that are NULL).
+ *
+ * @param map the map
+ * @param key the key to test if a value exists for it
+ * @return GNUNET_YES if such a value exists,
+ *         GNUNET_NO if not
+ */
+int
+GNUNET_CONTAINER_multipeermap_contains (const struct
+                                        GNUNET_CONTAINER_MultiPeerMap *map,
+                                        const struct GNUNET_PeerIdentity *key)
+{
+  union MapEntry me;
+
+  me = map->map[idx_of (map, key)];
+  if (map->use_small_entries)
+  {
+    struct SmallMapEntry *sme;
+
+    for (sme = me.sme; NULL != sme; sme = sme->next)
+      if (0 == memcmp (key, sme->key, sizeof (struct GNUNET_PeerIdentity)))
+       return GNUNET_YES;
+  }
+  else
+  {
+    struct BigMapEntry *bme;
+
+    for (bme = me.bme; NULL != bme; bme = bme->next)
+      if (0 == memcmp (key, &bme->key, sizeof (struct GNUNET_PeerIdentity)))
+       return GNUNET_YES;
+  }
+  return GNUNET_NO;
+}
+
+
+/**
+ * Check if the map contains the given value under the given
+ * key.
+ *
+ * @param map the map
+ * @param key the key to test if a value exists for it
+ * @param value value to test for
+ * @return GNUNET_YES if such a value exists,
+ *         GNUNET_NO if not
+ */
+int
+GNUNET_CONTAINER_multipeermap_contains_value (const struct
+                                              GNUNET_CONTAINER_MultiPeerMap
+                                              *map, const struct 
GNUNET_PeerIdentity *key,
+                                              const void *value)
+{
+  union MapEntry me;
+
+  me = map->map[idx_of (map, key)];
+  if (map->use_small_entries)
+  {
+    struct SmallMapEntry *sme;
+
+    for (sme = me.sme; NULL != sme; sme = sme->next)
+      if ( (0 == memcmp (key, sme->key, sizeof (struct GNUNET_PeerIdentity))) 
&&
+          (sme->value == value) )
+       return GNUNET_YES;
+  }
+  else
+  {
+    struct BigMapEntry *bme;
+
+    for (bme = me.bme; NULL != bme; bme = bme->next)
+      if ( (0 == memcmp (key, &bme->key, sizeof (struct GNUNET_PeerIdentity))) 
&&
+          (bme->value == value) )
+       return GNUNET_YES;
+  }
+  return GNUNET_NO;
+}
+
+
+/**
+ * Grow the given map to a more appropriate size.
+ *
+ * @param map the hash map to grow
+ */
+static void
+grow (struct GNUNET_CONTAINER_MultiPeerMap *map)
+{
+  union MapEntry *old_map;
+  union MapEntry *new_map;
+  unsigned int old_len;
+  unsigned int new_len;
+  unsigned int idx;
+  unsigned int i;
+
+  map->modification_counter++;
+
+  old_map = map->map;
+  old_len = map->map_length;
+  new_len = old_len * 2;
+  new_map = GNUNET_malloc (sizeof (union MapEntry) * new_len);
+  map->map_length = new_len;
+  map->map = new_map;
+  for (i = 0; i < old_len; i++)
+  {
+    if (map->use_small_entries)
+    {
+      struct SmallMapEntry *sme;
+
+      while (NULL != (sme = old_map[i].sme))
+      {
+       old_map[i].sme = sme->next;
+       idx = idx_of (map, sme->key);
+       sme->next = new_map[idx].sme;
+       new_map[idx].sme = sme;
+      }
+    }
+    else
+    {
+      struct BigMapEntry *bme;
+
+      while (NULL != (bme = old_map[i].bme))
+      {        
+       old_map[i].bme = bme->next;
+       idx = idx_of (map, &bme->key);
+       bme->next = new_map[idx].bme;
+       new_map[idx].bme = bme;
+      }
+    }
+  }
+  GNUNET_free (old_map);
+}
+
+
+/**
+ * Store a key-value pair in the map.
+ *
+ * @param map the map
+ * @param key key to use
+ * @param value value to use
+ * @param opt options for put
+ * @return #GNUNET_OK on success,
+ *         #GNUNET_NO if a value was replaced (with REPLACE)
+ *         #GNUNET_SYSERR if GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY 
was the option and the
+ *                       value already exists
+ */
+int
+GNUNET_CONTAINER_multipeermap_put (struct GNUNET_CONTAINER_MultiPeerMap *map,
+                                   const struct GNUNET_PeerIdentity *key, 
+                                  void *value,
+                                   enum GNUNET_CONTAINER_MultiHashMapOption 
opt)
+{
+  union MapEntry me;
+  unsigned int i;
+
+  i = idx_of (map, key);
+  if ((opt != GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE) &&
+      (opt != GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
+  {
+    me = map->map[i];
+    if (map->use_small_entries)
+    {
+      struct SmallMapEntry *sme;
+
+      for (sme = me.sme; NULL != sme; sme = sme->next)      
+       if (0 == memcmp (key, sme->key, sizeof (struct GNUNET_PeerIdentity)))
+       {
+         if (opt == GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY)
+           return GNUNET_SYSERR;
+         sme->value = value;
+         return GNUNET_NO;
+       }
+    }
+    else
+    {
+      struct BigMapEntry *bme;
+
+      for (bme = me.bme; NULL != bme; bme = bme->next)      
+       if (0 == memcmp (key, &bme->key, sizeof (struct GNUNET_PeerIdentity)))
+       {
+         if (opt == GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY)
+           return GNUNET_SYSERR;
+         bme->value = value;
+         return GNUNET_NO;
+       }
+    }
+  }
+  if (map->size / 3 >= map->map_length / 4)
+  {
+    grow (map);
+    i = idx_of (map, key);
+  }
+  if (map->use_small_entries)
+  {
+    struct SmallMapEntry *sme;
+    
+    sme = GNUNET_new (struct SmallMapEntry);
+    sme->key = key;
+    sme->value = value;
+    sme->next = map->map[i].sme;
+    map->map[i].sme = sme;
+  }
+  else
+  {
+    struct BigMapEntry *bme;
+    
+    bme = GNUNET_new (struct BigMapEntry);
+    bme->key = *key;
+    bme->value = value;
+    bme->next = map->map[i].bme;
+    map->map[i].bme = bme;
+  }
+  map->size++;
+  return GNUNET_OK;
+}
+
+
+/**
+ * Iterate over all entries in the map that match a particular key.
+ *
+ * @param map the map
+ * @param key key that the entries must correspond to
+ * @param it function to call on each entry
+ * @param it_cls extra argument to @a it
+ * @return the number of key value pairs processed,
+ *         #GNUNET_SYSERR if it aborted iteration
+ */
+int
+GNUNET_CONTAINER_multipeermap_get_multiple (const struct 
GNUNET_CONTAINER_MultiPeerMap *map,
+                                            const struct GNUNET_PeerIdentity 
*key,
+                                            GNUNET_CONTAINER_PeerMapIterator 
it,
+                                            void *it_cls)
+{
+  int count;
+  union MapEntry me;
+
+  count = 0;
+  me = map->map[idx_of (map, key)];
+  if (map->use_small_entries)
+  {
+    struct SmallMapEntry *sme;  
+    struct SmallMapEntry *nxt;
+  
+    nxt = me.sme;
+    while (NULL != (sme = nxt))
+    {
+      nxt = sme->next;
+      if (0 != memcmp (key, sme->key, sizeof (struct GNUNET_PeerIdentity)))
+       continue;
+      if ((it != NULL) && (GNUNET_OK != it (it_cls, key, sme->value)))
+       return GNUNET_SYSERR;
+      count++;
+    }
+  }
+  else
+  {
+    struct BigMapEntry *bme;  
+    struct BigMapEntry *nxt;
+  
+    nxt = me.bme;
+    while (NULL != (bme = nxt))
+    {
+      nxt = bme->next;
+      if (0 != memcmp (key, &bme->key, sizeof (struct GNUNET_PeerIdentity)))
+       continue;
+      if ((it != NULL) && (GNUNET_OK != it (it_cls, key, bme->value)))
+       return GNUNET_SYSERR;
+      count++;
+    }
+  }
+  return count;
+}
+
+
+/**
+ * Create an iterator for a multipeermap.
+ * The iterator can be used to retrieve all the elements in the multipeermap
+ * one by one, without having to handle all elements at once (in contrast to
+ * #GNUNET_CONTAINER_multipeermap_iterate).  Note that the iterator can not be
+ * used anymore if elements have been removed from 'map' after the creation of
+ * the iterator, or 'map' has been destroyed.  Adding elements to 'map' may
+ * result in skipped or repeated elements.
+ *
+ * @param map the map to create an iterator for
+ * @return an iterator over the given multipeermap 'map'
+ */
+struct GNUNET_CONTAINER_MultiPeerMapIterator *
+GNUNET_CONTAINER_multipeermap_iterator_create (const struct 
GNUNET_CONTAINER_MultiPeerMap *map)
+{
+  struct GNUNET_CONTAINER_MultiPeerMapIterator *iter;
+
+  iter = GNUNET_new (struct GNUNET_CONTAINER_MultiPeerMapIterator);
+  iter->map = map;
+  iter->modification_counter = map->modification_counter;
+  iter->me = map->map[0];
+  return iter;
+}
+
+
+/**
+ * Retrieve the next element from the hash map at the iterator's position.
+ * If there are no elements left, GNUNET_NO is returned, and 'key' and 'value'
+ * are not modified.
+ * This operation is only allowed if no elements have been removed from the
+ * multipeermap since the creation of 'iter', and the map has not been 
destroyed.
+ * Adding elements may result in repeating or skipping elements.
+ *
+ * @param iter the iterator to get the next element from
+ * @param key pointer to store the key in, can be NULL
+ * @param value pointer to store the value in, can be NULL
+ * @return #GNUNET_YES we returned an element,
+ *         #GNUNET_NO if we are out of elements
+ */
+int
+GNUNET_CONTAINER_multipeermap_iterator_next (struct 
GNUNET_CONTAINER_MultiPeerMapIterator *iter,
+                                             struct GNUNET_PeerIdentity *key, 
const void **value)
+{
+  /* make sure the map has not been modified */
+  GNUNET_assert (iter->modification_counter == 
iter->map->modification_counter);
+
+  /* look for the next entry, skipping empty buckets */
+  while (1)
+  {
+    if (iter->idx >= iter->map->map_length)
+      return GNUNET_NO;
+    if (GNUNET_YES == iter->map->use_small_entries)
+    {
+      if (NULL != iter->me.sme)
+      {
+        if (NULL != key)
+          *key = *iter->me.sme->key;
+        if (NULL != value)
+          *value = iter->me.sme->value;
+        iter->me.sme = iter->me.sme->next;
+        return GNUNET_YES;
+      }
+    }
+    else
+    {
+      if (NULL != iter->me.bme)
+      {
+        if (NULL != key)
+          *key = iter->me.bme->key;
+        if (NULL != value)
+          *value = iter->me.bme->value;
+        iter->me.bme = iter->me.bme->next;
+        return GNUNET_YES;
+      }
+    }
+    iter->idx += 1;
+    if (iter->idx < iter->map->map_length)
+      iter->me = iter->map->map[iter->idx];
+  }
+}
+
+
+/**
+ * Destroy a multipeermap iterator.
+ *
+ * @param iter the iterator to destroy
+ */
+void
+GNUNET_CONTAINER_multipeermap_iterator_destroy (struct 
GNUNET_CONTAINER_MultiPeerMapIterator *iter)
+{
+  GNUNET_free (iter);
+}
+
+
+/* end of container_multipeermap.c */

Added: gnunet/src/util/test_container_multipeermap.c
===================================================================
--- gnunet/src/util/test_container_multipeermap.c                               
(rev 0)
+++ gnunet/src/util/test_container_multipeermap.c       2013-09-30 13:55:43 UTC 
(rev 29714)
@@ -0,0 +1,121 @@
+/*
+     This file is part of GNUnet.
+     (C) 2008, 2013 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
+     by the Free Software Foundation; either version 3, 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.
+
+     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.
+*/
+
+/**
+ * @file util/test_container_multipeermap.c
+ * @brief Test for container_multipeermap.c
+ * @author Christian Grothoff
+ */
+
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_container_lib.h"
+
+#define ABORT() { fprintf(stderr, "Error at %s:%d\n", __FILE__, __LINE__); if 
(NULL != m) GNUNET_CONTAINER_multipeermap_destroy(m); return 1; }
+#define CHECK(c) { if (! (c)) ABORT(); }
+
+static int
+testMap (int i)
+{
+  struct GNUNET_CONTAINER_MultiPeerMap *m;
+  struct GNUNET_PeerIdentity k1;
+  struct GNUNET_PeerIdentity k2;
+  struct GNUNET_CONTAINER_MultiPeerMapIterator *iter;
+  struct GNUNET_PeerIdentity key_ret;
+  const char *ret;
+  int j;
+
+  CHECK (NULL != (m = GNUNET_CONTAINER_multipeermap_create (i, GNUNET_NO)));
+  memset (&k1, 0, sizeof (k1));
+  memset (&k2, 1, sizeof (k2));
+  CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_contains (m, &k1));
+  CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_contains (m, &k2));
+  CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_remove (m, &k1, NULL));
+  CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_remove (m, &k2, NULL));
+  CHECK (NULL == GNUNET_CONTAINER_multipeermap_get (m, &k1));
+  CHECK (NULL == GNUNET_CONTAINER_multipeermap_get (m, &k2));
+  CHECK (0 == GNUNET_CONTAINER_multipeermap_remove_all (m, &k1));
+  CHECK (0 == GNUNET_CONTAINER_multipeermap_size (m));
+  CHECK (0 == GNUNET_CONTAINER_multipeermap_iterate (m, NULL, NULL));
+  CHECK (0 == GNUNET_CONTAINER_multipeermap_get_multiple (m, &k1, NULL, NULL));
+
+  CHECK (GNUNET_OK ==
+         GNUNET_CONTAINER_multipeermap_put (m, &k1, "v1",
+                                            
GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE));
+  CHECK (1 == GNUNET_CONTAINER_multipeermap_size (m));
+  ret = GNUNET_CONTAINER_multipeermap_get (m, &k1);
+  GNUNET_assert (ret != NULL);
+  CHECK (0 == strcmp ("v1", ret));
+  CHECK (GNUNET_NO ==
+         GNUNET_CONTAINER_multipeermap_put (m, &k1, "v1",
+                                            
GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE));
+  CHECK (1 == GNUNET_CONTAINER_multipeermap_size (m));
+  CHECK (GNUNET_OK ==
+         GNUNET_CONTAINER_multipeermap_put (m, &k1, "v2",
+                                            
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
+  CHECK (GNUNET_OK ==
+         GNUNET_CONTAINER_multipeermap_put (m, &k1, "v3",
+                                            
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
+  CHECK (3 == GNUNET_CONTAINER_multipeermap_size (m));
+  CHECK (GNUNET_OK == GNUNET_CONTAINER_multipeermap_remove (m, &k1, "v3"));
+  CHECK (2 == GNUNET_CONTAINER_multipeermap_size (m));
+  CHECK (GNUNET_YES == GNUNET_CONTAINER_multipeermap_contains (m, &k1));
+  CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_contains (m, &k2));
+  CHECK (2 == GNUNET_CONTAINER_multipeermap_get_multiple (m, &k1, NULL, NULL));
+  CHECK (0 == GNUNET_CONTAINER_multipeermap_get_multiple (m, &k2, NULL, NULL));
+  CHECK (2 == GNUNET_CONTAINER_multipeermap_iterate (m, NULL, NULL));
+  iter = GNUNET_CONTAINER_multipeermap_iterator_create (m);
+  CHECK (GNUNET_YES == GNUNET_CONTAINER_multipeermap_iterator_next (iter, 
&key_ret, (const void **)&ret));
+  CHECK (0 == memcmp (&key_ret, &k1, sizeof (key_ret)));
+  CHECK (GNUNET_YES == GNUNET_CONTAINER_multipeermap_iterator_next (iter, 
&key_ret, (const void **)&ret));
+  CHECK (0 == memcmp (&key_ret, &k1, sizeof (key_ret)));
+  CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_iterator_next (iter, NULL, 
NULL));
+  GNUNET_free (iter);
+
+  CHECK (2 == GNUNET_CONTAINER_multipeermap_remove_all (m, &k1));
+  for (j = 0; j < 1024; j++)
+    CHECK (GNUNET_OK ==
+           GNUNET_CONTAINER_multipeermap_put (m, &k1, "v2",
+                                              
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
+  iter = GNUNET_CONTAINER_multipeermap_iterator_create (m);
+  for (j = 0; j < GNUNET_CONTAINER_multipeermap_size (m); j++)
+    CHECK (GNUNET_YES == GNUNET_CONTAINER_multipeermap_iterator_next (iter, 
NULL, NULL));
+  CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_iterator_next (iter, NULL, 
NULL));
+  GNUNET_free (iter);
+
+  GNUNET_CONTAINER_multipeermap_destroy (m);
+  return 0;
+}
+
+int
+main (int argc, char *argv[])
+{
+  int failureCount = 0;
+  int i;
+
+  GNUNET_log_setup ("test-container-multipeermap", "WARNING", NULL);
+  for (i = 1; i < 255; i++)
+    failureCount += testMap (i);
+  if (failureCount != 0)
+    return 1;
+  return 0;
+}
+
+/* end of test_container_multipeermap.c */




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