1 files changed, 113 insertions, 0 deletions

diff --git a/src/include/gnunet_fragmentation_lib.h b/src/include/gnunet_fragmentation_lib.h
new file mode 100644
index 000000000..5089fae6a
--- /dev/null
+++ b/src/include/gnunet_fragmentation_lib.h
@@ -0,0 +1,113 @@
+/*
+     This file is part of GNUnet
+     (C) 2009 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 2, 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 include/gnunet_fragmentation_lib.h
+ * @brief library to help fragment messages
+ * @author Christian Grothoff
+ */
+
+#ifndef GNUNET_FRAGMENTATION_LIB_H
+#define GNUNET_FRAGMENTATION_LIB_H
+
+#include "gnunet_common.h"
+#include "gnunet_statistics_service.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0                           /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+/**
+ * Function that is called with messages
+ * created by the fragmentation module.
+ *
+ * @param cls closure
+ * @param msg the message that was created
+ */
+typedef void (*GNUNET_FRAGMENT_MessageProcessor) (void *cls,
+                                                  const struct
+                                                  GNUNET_MessageHeader * msg);
+
+
+/**
+ * Fragment an over-sized message.
+ *
+ * @param msg the message to fragment
+ * @param mtu the maximum message size
+ * @param proc function to call for each fragment
+ * @param proc_cls closure for proc
+ */
+void GNUNET_FRAGMENT_fragment (const struct GNUNET_MessageHeader *msg,
+                               uint16_t mtu,
+                               GNUNET_FRAGMENT_MessageProcessor proc,
+                               void *proc_cls);
+
+/**
+ * Defragmentation context.
+ */
+struct GNUNET_FRAGMENT_Context;
+
+/**
+ * Create a defragmentation context.
+ *
+ * @param stats statistics context
+ * @param proc function to call with defragmented messages
+ * @param proc_cls closure for proc
+ * @return the defragmentation context
+ */
+struct GNUNET_FRAGMENT_Context *GNUNET_FRAGMENT_context_create (struct
+                                                                GNUNET_STATISTICS_Handle
+                                                                *stats,
+                                                                GNUNET_FRAGMENT_MessageProcessor
+                                                                proc,
+                                                                void
+                                                                *proc_cls);
+
+
+/**
+ * Destroy the given defragmentation context.
+ */
+void GNUNET_FRAGMENT_context_destroy (struct GNUNET_FRAGMENT_Context *ctx);
+
+
+/**
+ * We have received a fragment.  Process it.
+ *
+ * @param ctx the context
+ * @param sender who transmitted the fragment
+ * @param msg the message that was received
+ */
+void GNUNET_FRAGMENT_process (struct GNUNET_FRAGMENT_Context *ctx,
+                              const struct GNUNET_PeerIdentity *sender,
+                              const struct GNUNET_MessageHeader *msg);
+
+
+#if 0                           /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+/* end of gnunet_fragmentation_lib.h */
+#endif