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/*
* Copyright (C) 2010-2015 Andreas Steffen
* HSR 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.
*/
/**
* @defgroup pb_tnc_batch pb_tnc_batch
* @{ @ingroup tnccs_20
*/
#ifndef PB_TNC_BATCH_H_
#define PB_TNC_BATCH_H_
typedef enum pb_tnc_batch_type_t pb_tnc_batch_type_t;
typedef struct pb_tnc_batch_t pb_tnc_batch_t;
#include "messages/pb_tnc_msg.h"
#include "state_machine/pb_tnc_state_machine.h"
#include <library.h>
#define PB_TNC_BATCH_HEADER_SIZE 8
#define PB_TNC_MSG_HEADER_SIZE 12
/**
* PB-TNC Batch Types as defined in section 4.1 of RFC 5793
*/
enum pb_tnc_batch_type_t {
PB_BATCH_NONE = 0, /* for internal use only */
PB_BATCH_CDATA = 1,
PB_BATCH_SDATA = 2,
PB_BATCH_RESULT = 3,
PB_BATCH_CRETRY = 4,
PB_BATCH_SRETRY = 5,
PB_BATCH_CLOSE = 6,
PB_BATCH_ROOF = 6
};
/**
* enum name for pb_tnc_batch_type_t.
*/
extern enum_name_t *pb_tnc_batch_type_names;
/**
* Interface for all PB-TNC Batch Types.
*/
struct pb_tnc_batch_t {
/**
* Get the PB-TNC Message Type
*
* @return PB-TNC batch type
*/
pb_tnc_batch_type_t (*get_type)(pb_tnc_batch_t *this);
/**
* Get the encoding of the PB-TNC Batch
*
* @return encoded PB-TNC batch
*/
chunk_t (*get_encoding)(pb_tnc_batch_t *this);
/**
* Add a PB-TNC Message
*
* @param msg PB-TNC message to be addedd
* @return TRUE if message fit into batch and was added
*/
bool (*add_msg)(pb_tnc_batch_t *this, pb_tnc_msg_t* msg);
/**
* Build the PB-TNC Batch
*/
void (*build)(pb_tnc_batch_t *this);
/**
* Process the PB-TNC Batch header
*
* @param directionality TRUE if no mutual TNC measurements
* @param is_server TRUE if called by TNC server
* @param from_server TRUE if sent by TNC server
* @return return processing status
*/
status_t (*process_header)(pb_tnc_batch_t *this, bool directionality,
bool is_server, bool *from_server);
/**
* Process the PB-TNC Batch
*
* @param state_machine PB-TNC state machine
* @return return processing status
*/
status_t (*process)(pb_tnc_batch_t *this,
pb_tnc_state_machine_t *state_machine);
/**
* Enumerates over all PB-TNC Messages
*
* @return return message enumerator
*/
enumerator_t* (*create_msg_enumerator)(pb_tnc_batch_t *this);
/**
* Enumerates over all parsing errors
*
* @return return error enumerator
*/
enumerator_t* (*create_error_enumerator)(pb_tnc_batch_t *this);
/**
* Destroys a pb_tnc_batch_t object.
*/
void (*destroy)(pb_tnc_batch_t *this);
};
/**
* Create an empty PB-TNC Batch of a given type
*
* @param is_server TRUE if server, FALSE if client
* @param type PB-TNC batch type
* @param max_batch_len maximum size the PB-TNC batch
*/
pb_tnc_batch_t* pb_tnc_batch_create(bool is_server, pb_tnc_batch_type_t type,
size_t max_batch_len);
/**
* Create an unprocessed PB-TNC Batch from data
*
* @param data encoded PB-TNC batch
*/
pb_tnc_batch_t* pb_tnc_batch_create_from_data(chunk_t data);
#endif /** PB_TNC_BATCH_H_ @}*/
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