epan/h225-persistentdata.h

   1 /*
   2  * h225-persistentdata.h
   3  * Definitions for lists and hash tables used in wireshark's h225 dissector
   4  * for calculation of delays in h225-calls
   5  *
   6  * Copyright 2003 Lars Roland
   7  *
   8  * $Id$
   9  *
  10  * Wireshark - Network traffic analyzer
  11  * By Gerald Combs <gerald@wireshark.org>
  12  * Copyright 1998 Gerald Combs
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
  16  * as published by the Free Software Foundation; either version 2
  17  * of the License, or (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  27  */
  28
  29 #ifndef __h225_HASH__
  30 #define __h225_HASH__
  31
  32 #include <glib.h>
  33 #include <epan/packet.h>
  34 #include <epan/conversation.h>
  35
  36
  37 /* Item of ras request list*/
  38 typedef struct _h225ras_call_t {
  39         guint32 requestSeqNum;
  40         e_guid_t guid;
  41         guint32 req_num;        /* frame number request seen */
  42         guint32 rsp_num;        /* frame number response seen */
  43         nstime_t req_time;      /* arrival time of request */
  44         gboolean responded;     /* true, if request has been responded */
  45         struct _h225ras_call_t *next_call; /* pointer to next ras request with same SequenceNumber and conversation handle */
  46 } h225ras_call_t;
  47
  48
  49 /* Item of ras-request key list*/
  50 typedef struct _h225ras_call_info_key {
  51         guint   reqSeqNum;
  52         conversation_t *conversation;
  53 } h225ras_call_info_key;
  54
  55 /* functions, needed using ras-request and halfcall matching*/
  56 h225ras_call_t * find_h225ras_call(h225ras_call_info_key *h225ras_call_key ,int category);
  57 h225ras_call_t * new_h225ras_call(h225ras_call_info_key *h225ras_call_key, packet_info *pinfo, e_guid_t *guid, int category);
  58 h225ras_call_t * append_h225ras_call(h225ras_call_t *prev_call, packet_info *pinfo, e_guid_t *guid, int category);
  59
  60 void h225_init_routine(void); /* init routine, used by wireshark */
  61
  62 #endif /* __h225_HASH__*/