wiretap/lanalyzer.h

   1 /* lanalyzer.h
   2  *
   3  * $Id$
   4  *
   5  * Wiretap Library
   6  * Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  *
  22  */
  23
  24 #ifndef __LANALYZER_H__
  25 #define __LANALYZER_H__
  26
  27 /*    Record type codes:                */
  28
  29 #define     RT_HeaderRegular       0x1001
  30 #define     RT_HeaderCyclic        0x1007
  31 #define     RT_RxChannelName       0x1006
  32 #define     RT_TxChannelName       0x100b
  33 #define     RT_FilterName          0x1032
  34 #define     RT_RxTemplateName      0x1035
  35 #define     RT_TxTemplateName      0x1036
  36 #define     RT_DisplayOptions      0x100a
  37 #define     RT_Summary             0x1002
  38 #define     RT_SubfileSummary      0x1003
  39 #define     RT_CyclicInformation   0x1009
  40 #define     RT_Index               0x1004
  41 #define     RT_PacketData          0x1005
  42
  43 #define     LA_ProFileLimit       (1024 * 1024 * 32)
  44
  45 typedef guint8  Eadr[6];
  46 typedef guint16 TimeStamp[3];  /* 0.5 microseconds since start of trace */
  47
  48 /*
  49  * These records have only 2-byte alignment for 4-byte quantities,
  50  * so the structures aren't necessarily valid; they're kept as comments
  51  * for reference purposes.
  52  */
  53
  54 /*
  55  * typedef struct {
  56  *       guint8      day;
  57  *       guint8      mon;
  58  *       gint16      year;
  59  *       } Date;
  60  */
  61
  62 /*
  63  * typedef struct {
  64  *       guint8      second;
  65  *       guint8      minute;
  66  *       guint8      hour;
  67  *       guint8      day;
  68  *       gint16      reserved;
  69  *       } Time;
  70  */
  71
  72 /*
  73  * typedef struct {
  74  *       guint16     rx_channels;
  75  *       guint16     rx_errors;
  76  *       gint16      rx_frm_len;
  77  *       gint16      rx_frm_sln;
  78  *       TimeStamp   rx_time;
  79  *       guint32     pktno;
  80  *       gint16      prvlen;
  81  *       gint16      offset;
  82  *       gint16      tx_errs;
  83  *       gint16      rx_filters;
  84  *       gint8       unused[2];
  85  *       gint16      hwcolls;
  86  *       gint16      hwcollschans;
  87  *       Packetdata ....;
  88  *       } LA_PacketRecord;
  89  */
  90
  91 #define LA_PacketRecordSize 32
  92
  93 /*
  94  * typedef struct {
  95  *       Date        datcre;
  96  *       Date        datclo;
  97  *       Time        timeopn;
  98  *       Time        timeclo;
  99  *       Eadr        statadr;
 100  *       gint16      mxseqno;
 101  *       gint16      slcoff;
 102  *       gint16      mxslc;
 103  *       gint32      totpktt;
 104  *       gint32      statrg;
 105  *       gint32      stptrg;
 106  *       gint32      mxpkta[36];
 107  *       gint16      board_type;
 108  *       gint16      board_version;
 109  *       gint8       reserved[18];
 110  *       } Summary;
 111  */
 112
 113 #define SummarySize (18+22+(4*36)+6+6+6+4+4)
 114
 115
 116 /*
 117  * typedef struct {
 118  *       gint16      rid;
 119  *       gint16      rlen;
 120  *       Summary     s;
 121  *       } LA_SummaryRecord;
 122  */
 123
 124 #define LA_SummaryRecordSize (SummarySize + 4)
 125
 126
 127 /*
 128  * typedef struct {
 129  *       gint16      rid;
 130  *       gint16      rlen;
 131  *       gint16      seqno;
 132  *       gint32      totpktf;
 133  *       } LA_SubfileSummaryRecord;
 134  */
 135
 136 #define LA_SubfileSummaryRecordSize 10
 137
 138
 139 #define LA_IndexSize 500
 140
 141 /*
 142  * typedef struct {
 143  *       gint16      rid;
 144  *       gint16      rlen;
 145  *       gint16      idxsp;                    = LA_IndexSize
 146  *       gint16      idxct;
 147  *       gint8       idxgranu;
 148  *       gint8       idxvd;
 149  *       gint32      trcidx[LA_IndexSize + 2]; +2 undocumented but used by La 2.2
 150  *       } LA_IndexRecord;
 151  */
 152
 153 #define LA_IndexRecordSize (10 + 4 * (LA_IndexSize + 2))
 154
 155 /*
 156  * typedef struct {
 157  *       gint16      rid;
 158  *       gint16      rlen;
 159  *       } LA_RecordHeader;
 160  */
 161
 162 #define LA_RecordHeaderSize 4
 163
 164 typedef struct {
 165       gboolean        init;
 166       struct timeval  start;
 167       guint32         pkts;
 168       int             encap;
 169       int             lastlen;
 170       } LA_TmpInfo;
 171
 172 int         lanalyzer_open(wtap *wth, int *err, gchar **err_info);
 173 gboolean    lanalyzer_dump_open(wtap_dumper *wdh, gboolean cant_seek, int *err);
 174 int         lanalyzer_dump_can_write_encap(int encap);
 175
 176 #endif