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/* Copyright (C) 2007-2010 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*/
#ifndef __STREAM_H__
#define __STREAM_H__
#include "flow.h"
#define STREAM_START 0x01
#define STREAM_EOF 0x02
#define STREAM_TOSERVER 0x04
#define STREAM_TOCLIENT 0x08
#define STREAM_GAP 0x10 /**< data gap encountered */
#define STREAM_DEPTH 0x20 /**< depth reached */
typedef struct StreamMsg_ {
struct StreamMsg_ *next;
struct StreamMsg_ *prev;
uint32_t seq; /**< sequence number */
uint32_t data_len; /**< length of the data */
uint32_t data_size;
uint8_t *data; /**< reassembled data: ptr to after this
* struct */
} StreamMsg;
typedef struct StreamMsgQueue_ {
StreamMsg *top;
StreamMsg *bot;
uint16_t len;
#ifdef DBG_PERF
uint16_t dbg_maxlen;
#endif /* DBG_PERF */
} StreamMsgQueue;
/* prototypes */
void StreamMsgQueuesInit(uint32_t prealloc);
void StreamMsgQueuesDeinit(char);
StreamMsg *StreamMsgGetFromPool(void);
void StreamMsgReturnToPool(StreamMsg *);
StreamMsg *StreamMsgGetFromQueue(StreamMsgQueue *);
void StreamMsgPutInQueue(StreamMsgQueue *, StreamMsg *);
StreamMsgQueue *StreamMsgQueueGetNew(void);
void StreamMsgQueueFree(StreamMsgQueue *);
void StreamMsgQueueSetMinChunkLen(uint8_t dir, uint16_t len);
uint16_t StreamMsgQueueGetMinChunkLen(uint8_t);
void StreamMsgReturnListToPool(void *);
typedef int (*StreamSegmentCallback)(const Packet *, void *, uint8_t *, uint32_t);
int StreamSegmentForEach(const Packet *p, uint8_t flag,
StreamSegmentCallback CallbackFunc,
void *data);
#endif /* __STREAM_H__ */
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