From 774a362e87feab25f1be16fbca08269ddc7121a4 Mon Sep 17 00:00:00 2001
From: Rene Mayrhofer <rene@mayrhofer.eu.org>
Date: Thu, 12 Apr 2007 20:41:31 +0000
Subject: Major new upstream release, just ran svn-upgrade for now (and wrote
 some debian/changelong entries).

---
 src/charon/encoding/generator.h | 102 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 src/charon/encoding/generator.h

(limited to 'src/charon/encoding/generator.h')

diff --git a/src/charon/encoding/generator.h b/src/charon/encoding/generator.h
new file mode 100644
index 000000000..8eff957cc
--- /dev/null
+++ b/src/charon/encoding/generator.h
@@ -0,0 +1,102 @@
+/**
+ * @file generator.h
+ *
+ * @brief Interface of generator_t.
+ *
+ */
+
+/*
+ * Copyright (C) 2005-2006 Martin Willi
+ * Copyright (C) 2005 Jan Hutter
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program 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 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#ifndef GENERATOR_H_
+#define GENERATOR_H_
+
+typedef struct generator_t generator_t;
+
+#include <library.h>
+#include <encoding/payloads/encodings.h>
+#include <encoding/payloads/payload.h>
+
+/**
+ * Generating is done in a data buffer.
+ * This is thehe start size of this buffer in bytes.
+ *
+ * @ingroup enconding
+ */
+#define GENERATOR_DATA_BUFFER_SIZE 500
+
+/**
+ * Number of bytes to increase the buffer, if it is to small.
+ *
+ * @ingroup enconding
+ */
+#define GENERATOR_DATA_BUFFER_INCREASE_VALUE 500
+
+
+/**
+ * @brief A generator_t class used to generate IKEv2 payloads.
+ *
+ * After creation, multiple payloads can be generated with the generate_payload
+ * method. The generated bytes are appended. After all payloads are added, 
+ * the write_to_chunk method writes out all generated data since
+ * the creation of the generator. After that, the generator must be destroyed.
+ * The generater uses a set of encoding rules, which it can get from
+ * the supplied payload. With this rules, the generater can generate
+ * the payload and all substructures automatically.
+ * 
+ * @b Constructor:
+ * - generator_create()
+ * 
+ * @ingroup encoding
+ */
+struct generator_t {
+	
+	/**
+	 * @brief Generates a specific payload from given payload object.
+	 *
+	 * Remember: Header and substructures are also handled as payloads.
+	 *
+	 * @param this 				generator_t object
+	 * @param[in] payload 		interface payload_t implementing object
+	 */
+	void (*generate_payload) (generator_t *this,payload_t *payload);
+	
+	/**
+	 * @brief Writes all generated data of the generator to a chunk.
+	 *
+	 * @param this 				generator_t object
+ 	 * @param[out] data 		chunk to write the data to
+	 */
+	void (*write_to_chunk) (generator_t *this,chunk_t *data);
+
+	/**
+	 * @brief Destroys a generator_t object.
+	 *
+	 * @param this 				generator_t object
+	 */
+	void (*destroy) (generator_t *this);
+};
+
+/**
+ * @brief Constructor to create a generator.
+ * 
+ * @return generator_t object.
+ * 
+ * @ingroup encoding
+ */
+generator_t *generator_create(void);
+
+#endif /*GENERATOR_H_*/
-- 
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