-only trigger check config if we actually need it

[oweals/gnunet.git] / src / fragmentation / fragmentation.h

diff --git a/src/fragmentation/fragmentation.h b/src/fragmentation/fragmentation.h
index e9b3faba53fcbe7ed060e1c2b2a8268d8c5a3cc3..5a75e988b92a95758543db4f9cb4e3ffb100e661 100644 (file)
--- a/src/fragmentation/fragmentation.h
+++ b/src/fragmentation/fragmentation.h
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet
-     (C) 2009, 2011 Christian Grothoff (and other contributing authors)
+     Copyright (C) 2009, 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.
 */
 /**
  * @file src/fragmentation/fragmentation.h
@@ -27,14 +27,36 @@
 #include "platform.h"
 #include "gnunet_fragmentation_lib.h"
 
+GNUNET_NETWORK_STRUCT_BEGIN
+
 /**
- * Header for a message fragment.
+ * Header for a message fragment.  Followed by the
+ * original message.
  */
 struct FragmentHeader
 {
 
+  /**
+   * Message header.
+   */
   struct GNUNET_MessageHeader header;
 
+  /**
+   * Unique fragment ID.
+   */
+  uint32_t fragment_id;
+
+  /**
+   * Total message size of the original message.
+   */
+  uint16_t total_size;
+
+  /**
+   * Absolute offset (in bytes) of this fragment in the original
+   * message.  Will be a multiple of the MTU.
+   */
+  uint16_t offset;
+
 };
 
 
@@ -44,9 +66,24 @@ struct FragmentHeader
 struct FragmentAcknowledgement
 {
 
+  /**
+   * Message header.
+   */
   struct GNUNET_MessageHeader header;
 
-};
+  /**
+   * Unique fragment ID.
+   */
+  uint32_t fragment_id;
+
+  /**
+   * Bits that are being acknowledged, in big-endian.
+   * (bits that are set correspond to fragments that
+   * have not yet been received).
+   */
+  uint64_t bits;
 
+};
+GNUNET_NETWORK_STRUCT_END
 
 #endif