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/* tap-sequence-analysis.h
 * Flow sequence analysis
 *
 * Copied from gtk/graph_analysis.h
 *
 * Copyright 2004, Verso Technologies Inc.
 * By Alejandro Vaquero <alejandrovaquero@yahoo.com>
 *
 * based on rtp_analysis.c and io_stat
 *
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * 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.
 *
 * 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
 * along with this program; if not, write to the Free Software
 * Foundation,  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef __TAP_SEQUENCE_ANALYSIS_H__
#define __TAP_SEQUENCE_ANALYSIS_H__

#include <glib.h>

#include "cfile.h"
#include "epan/address.h"

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#define MAX_NUM_NODES 40

typedef enum seq_analysis_type_ {
    SEQ_ANALYSIS_ANY,
    SEQ_ANALYSIS_TCP,
    SEQ_ANALYSIS_VOIP
} seq_analysis_type;

/** defines an entry for the graph analysis */
typedef struct _seq_analysis_item {
    frame_data *fd;			/**< Holds the frame number and time information */
    address src_addr;
    guint16 port_src;
    address dst_addr;
    guint16 port_dst;
    gchar *frame_label;			/**< the label on top of the arrow */
    gchar *time_str;   			/**< timestamp */
    gchar *comment;			/**< a comment that appears at the right of the graph */
    guint16 conv_num;			/**< the conversation number, each conversation will be colored */
    gboolean display;			/**< indicate if the packet is displayed or not in the graph */
    guint16 src_node;			/**< this is used by graph_analysis.c to identify the node */
    guint16 dst_node;			/**< a node is an IP address that will be displayed in columns */
    guint16 line_style;			/**< the arrow line width in pixels*/
} seq_analysis_item_t;

/** defines the graph analysis structure */
typedef struct _seq_analysis_info {
    seq_analysis_type type;  /**< sequence type */
    gboolean    all_packets; /**< all packets vs only displayed */
    gboolean    any_addr;    /**< any addr (DL+net) vs net-only */
    int         nconv;       /**< number of conversations in the list */
    GList*      list;        /**< list with the graph analysis items */
    GHashTable *ht;          /**< hash table for retrieving graph analysis items */
    address nodes[MAX_NUM_NODES]; /**< horizontal node list */
    guint32 num_nodes;       /**< actual number of nodes */
} seq_analysis_info_t;

/** Fill in the segment list for sequence analysis
 *
 * @param cf Capture file to scan
 * @param sainfo Sequence analysis information. A valid type must be set.
 */
void sequence_analysis_list_get(capture_file *cf, seq_analysis_info_t *sainfo);

/** Free the segment list
 *
 * @param sainfo Sequence analysis information.
 */
void sequence_analysis_list_free(seq_analysis_info_t *sainfo);

/** Fill in the node address list
 *
 * @param sainfo Sequence analysis information.
 * @return The number of transaction items (not nodes) processed.
 */
int sequence_analysis_get_nodes(seq_analysis_info_t *sainfo);

/** Write an ASCII version of the sequence diagram to a file.
 *
 * @param pathname Pathname of the file to write.
 * @param sainfo Sequence analysis information.
 * @param cf Capture file associated with the diagram.
 * @param first_node Start drawing at this node.
 * @return TRUE on success, FALSE on failure.
 */
gboolean sequence_analysis_dump_to_file(const char *pathname, seq_analysis_info_t *sainfo, capture_file *cf, unsigned int first_node);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __TAP_SEQUENCE_ANALYSIS_H__ */

/*
 * Editor modelines
 *
 * Local Variables:
 * c-basic-offset: 4
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 *
 * ex: set shiftwidth=4 tabstop=8 expandtab:
 * :indentSize=4:tabSize=8:noTabs=true:
 */