X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Fcore%2Fgnunet-service-core_typemap.h;h=66596748c1bcebbb9f1c02f05460a8bdd361cec1;hb=43ee295fd2b0d38dcbfa3a7bb6df461cad15cf4f;hp=4bbd6eb29b83e7e00e67a09f24a3c1a70e63c994;hpb=0babf19b445e521fdb78f0e1a67d5548e28405b9;p=oweals%2Fgnunet.git

diff --git a/src/core/gnunet-service-core_typemap.h b/src/core/gnunet-service-core_typemap.h
index 4bbd6eb29..66596748c 100644
--- a/src/core/gnunet-service-core_typemap.h
+++ b/src/core/gnunet-service-core_typemap.h
@@ -1,6 +1,6 @@
-*
+/*
      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
@@ -14,8 +14,8 @@
 
      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.
+     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
 */
 
 /**
@@ -28,39 +28,136 @@
 
 #include "gnunet_util_lib.h"
 #include "gnunet_transport_service.h"
-#include "gnunet_service_core.h"
+
+/**
+ * Map specifying which message types a peer supports.
+ */
+struct GSC_TypeMap;
 
 
 /**
  * Add a set of types to our type map.
+ *
+ * @param types array of message types supported by this peer
+ * @param tlen number of entries in @a types
  */
 void
 GSC_TYPEMAP_add (const uint16_t *types,
-		 unsigned int tlen);
+                 unsigned int tlen);
 
 
 /**
- * Remove a set of types from our type map.
+ * Remove a set of message types from our type map.
+ *
+ * @param types array of message types no longer supported by this peer
+ * @param tlen number of entries in @a types
  */
 void
 GSC_TYPEMAP_remove (const uint16_t *types,
-		    unsigned int tlen);
+                    unsigned int tlen);
+
+
+/**
+ * Compute a type map message for this peer.
+ *
+ * @return this peers current type map message.
+ */
+struct GNUNET_MessageHeader *
+GSC_TYPEMAP_compute_type_map_message (void);
+
+
+/**
+ * Check if the given hash matches our current type map.
+ *
+ * @param hc hash code to check if it matches our type map
+ * @return #GNUNET_YES if the hash matches, #GNUNET_NO if not
+ */
+int
+GSC_TYPEMAP_check_hash (const struct GNUNET_HashCode *hc);
+
+
+/**
+ * Hash the contents of a type map.
+ *
+ * @param tm map to hash
+ * @param hc where to store the hash code
+ */
+void
+GSC_TYPEMAP_hash (const struct GSC_TypeMap *tm,
+                  struct GNUNET_HashCode *hc);
+
+
+/**
+ * Extract a type map from a
+ * #GNUNET_MESSAGE_TYPE_CORE_COMRESSED_TYPE_MAP or
+ * #GNUNET_MESSAGE_TYPE_CORE_BINARY_TYPE_MAP message.
+ *
+ * @param msg a type map message
+ * @return NULL on error
+ */
+struct GSC_TypeMap *
+GSC_TYPEMAP_get_from_message (const struct GNUNET_MessageHeader *msg);
 
 
 /**
  * Test if any of the types from the types array is in the
  * given type map.
  *
- * @param map map to test
+ * @param tmap map to test
  * @param types array of types
- * @param tcnt number of entries in types
- * @return GNUNET_YES if a type is in the map, GNUNET_NO if not
- */ 
+ * @param tcnt number of entries in @a types
+ * @return #GNUNET_YES if a type is in the map, #GNUNET_NO if not
+ */
 int
-GSC_TYPEMAP_test_match (struct GSC_TypeMap *tmap,
-			const uint16_t *types,
-			unsigned int tcnt);
+GSC_TYPEMAP_test_match (const struct GSC_TypeMap *tmap,
+                        const uint16_t *types,
+                        unsigned int tcnt);
+
+
+/**
+ * Add additional types to a given typemap.
+ *
+ * @param tmap map to extend (not changed)
+ * @param types array of types to add
+ * @param tcnt number of entries in @a types
+ * @return updated type map (fresh copy)
+ */
+struct GSC_TypeMap *
+GSC_TYPEMAP_extend (const struct GSC_TypeMap *tmap,
+                    const uint16_t *types,
+                    unsigned int tcnt);
+
+
+/**
+ * Create an empty type map.
+ *
+ * @return an empty type map
+ */
+struct GSC_TypeMap *
+GSC_TYPEMAP_create (void);
+
+
+/**
+ * Free the given type map.
+ *
+ * @param tmap a type map
+ */
+void
+GSC_TYPEMAP_destroy (struct GSC_TypeMap *tmap);
 
 
+/**
+ * Initialize typemap subsystem.
+ */
+void
+GSC_TYPEMAP_init (void);
+
+
+/**
+ * Shutdown typemap subsystem.
+ */
+void
+GSC_TYPEMAP_done (void);
+
 #endif
 /* end of gnunet-service-core_typemap.h */