Ethereal-dev: [Ethereal-dev] Patch 2 for writing Novell LanAlyzer files
Note: This archive is from the project's previous web site, ethereal.com. This list is no longer active.
From: Markus Steinmann <ms@xxxxxx>
Date: Tue, 25 Jun 2002 13:34:46 +0200
Hi, I've (hopefully) done the suggestions from Guy Harris (thanks), tested successfully sliced packets and added TokenRing support and DumpFile size limitation to LA limit of 32Mb per file. If there should anybody in this universe, who is really interested in bigger traces for the Novell Lanalyzer, he must divide the Traces per hand (save marked) or I have to add the LA multifile support ( .tr1, .tr2,..., .trZ). Looking forward to your comments regards Markus __________________________________________________________________ Markus Steinmann ms@xxxxxx Software Development SEH Computertechnik GmbH Bielefeld http://www.seh.de __________________________________________________________________
Index: wiretap/file.c
===================================================================
RCS file: /cvsroot/ethereal/wiretap/file.c,v
retrieving revision 1.92
diff -r1.92 file.c
7c7
< *
---
> *
12c12
< *
---
> *
17c17
< *
---
> *
346,347c346,347
< { "Novell LANalyzer", NULL,
< NULL, NULL },
---
> { "Novell LanAlyzer","lanalyzer",
> lanalyzer_dump_can_write_encap, lanalyzer_dump_open },
Index: wiretap/lanalyzer.c
===================================================================
RCS file: /cvsroot/ethereal/wiretap/lanalyzer.c,v
retrieving revision 1.33
diff -r1.33 lanalyzer.c
7c7
< *
---
> *
12c12
< *
---
> *
17c17
< *
---
> *
49a50,124
> static const gint8 LA_HeaderRegularFake[] = {
> 0x01,0x10,0x4c,0x00,0x01,0x05,0x54,0x72,0x61,0x63,0x65,0x20,0x44,0x69,0x73,0x70,
> 0x6c,0x61,0x79,0x20,0x54,0x72,0x61,0x63,0x65,0x20,0x46,0x69,0x6c,0x65,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
> };
>
> static const gint8 LA_RxChannelNameFake[] = {
> 0x06,0x10,0x80,0x00,0x43,0x68,0x61,0x6e ,0x6e,0x65,0x6c,0x31,0x00,0x43,0x68,0x61,
> 0x6e,0x6e,0x65,0x6c,0x32,0x00,0x43,0x68 ,0x61,0x6e,0x6e,0x65,0x6c,0x33,0x00,0x43,
> 0x68,0x61,0x6e,0x6e,0x65,0x6c,0x34,0x00 ,0x43,0x68,0x61,0x6e,0x6e,0x65,0x6c,0x35,
> 0x00,0x43,0x68,0x61,0x6e,0x6e,0x65,0x6c ,0x36,0x00,0x43,0x68,0x61,0x6e,0x6e,0x65,
> 0x6c,0x37,0x00,0x43,0x68,0x61,0x6e,0x6e ,0x65,0x6c,0x38,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00
> };
>
> static const gint8 LA_TxChannelNameFake[] = {
> 0x0b,0x10,0x36,0x00 ,0x54,0x72,0x61,0x6e,0x73,0x31,0x00,0x00,
> 0x00,0x54,0x72,0x61,0x6e,0x73,0x32,0x00 ,0x00,0x00,0x54,0x72,0x61,0x6e,0x73,0x33,
> 0x00,0x00,0x00,0x54,0x72,0x61,0x6e,0x73 ,0x34,0x00,0x00,0x00,0x54,0x72,0x61,0x6e,
> 0x73,0x35,0x00,0x00,0x00,0x54,0x72,0x61 ,0x6e,0x73,0x36,0x00,0x00,0x00
> };
>
> static const gint8 LA_RxTemplateNameFake[] = {
> 0x35,0x10,
> 0x90,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00
> };
>
> static const gint8 LA_TxTemplateNameFake[] = {
> 0x36,0x10,0x36,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00
> };
>
> static const gint8 LA_DisplayOptionsFake[] = {
> 0x0a,0x10,0x0a,0x01,
> 0x00,0x00,0x01,0x00,0x01,0x02,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00
> };
>
> static const gint8 LA_CyclicInformationFake[] = {
> 0x09,0x10,0x1a,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
> };
>
51c126,127
< static void lanalyzer_close(wtap *wth);
---
> static void lanalyzer_close(wtap *wth);
> static gboolean lanalyzer_dump_close(wtap_dumper *wdh, int *err);
77c153
< if (record_type != REC_TRACE_HEADER && record_type != REC_CYCLIC_TRACE_HEADER) {
---
> if (record_type != REC_TRACE_HEADER && record_type != REC_CYCLIC_TRACE_HEADER) {
196c272
< }
---
> }
208c284
< guint16 record_type, record_length;
---
> guint16 record_type, record_length;
210,211c286,287
< guint16 time_low, time_med, time_high, true_size;
< double t;
---
> guint16 time_low, time_med, time_high, true_size;
> double t;
296,297c372,375
< static void
< lanalyzer_close(wtap *wth)
---
> /*---------------------------------------------------
> *
> *---------------------------------------------------*/
> static void lanalyzer_close(wtap *wth)
300a379,662
>
> /*---------------------------------------------------
> * Returns 0 or error
> * Write one block with error control
> *---------------------------------------------------*/
> static int swrite(const void* what, guint size, FILE *hd)
> {
> size_t nwritten;
>
> nwritten = fwrite(what, 1, size, hd);
> if (nwritten != size) {
> if (nwritten == 0 && ferror(hd))
> return errno;
> else
> return WTAP_ERR_SHORT_WRITE;
> }
> return 0; /* ok */
> }
>
> /*---------------------------------------------------
> *
> * calculates C.c = A.a - B.b
> *---------------------------------------------------*/
> static void my_timersub(const struct timeval *a,
> const struct timeval *b,
> struct timeval *c)
> {
> gint32 usec = a->tv_usec;
>
> c->tv_sec = a->tv_sec - b->tv_sec;
> if (b->tv_usec > usec) {
> c->tv_sec--;
> usec += 1000000;
> }
> c->tv_usec = usec - b->tv_usec;
> }
>
> /*---------------------------------------------------
> * Write a record for a packet to a dump file.
> * Returns TRUE on success, FALSE on failure.
> *---------------------------------------------------*/
> static gboolean lanalyzer_dump(wtap_dumper *wdh,
> const struct wtap_pkthdr *phdr,
> const union wtap_pseudo_header *pseudo_header _U_,
> const u_char *pd, int *err)
> {
> guint64 x;
> int i;
> static LA_RecordHeader hr;
> static LA_PacketRecord pr;
> LA_TmpInfo *itmp = (LA_TmpInfo*)(wdh->dump.opaque);
> struct timeval td;
> int thisSize = phdr->caplen + sizeof(pr) + sizeof(hr);
>
> if (wdh->bytes_dumped + thisSize > LA_ProFileLimit) {
> /* printf(" LA_ProFileLimit reached\n"); */
> *err = WTAP_ERR_SHORT_WRITE;
> return FALSE; /* and don't forget the header */
> }
>
> hr.rid = 0x1005;
> pr.rx_channels = 0x0001;
> pr.rx_errors = 0x0008;
>
> if (!itmp->init) {
> /* collect some information for the
> * finally written header
> */
> itmp->start = phdr->ts;
> itmp->pkts = 0;
> itmp->init = TRUE;
> itmp->encap = wdh->encap;
> }
>
> my_timersub(&(phdr->ts),&(itmp->start),&td);
>
> x = td.tv_usec;
> x += td.tv_sec * 1000000;
> x <<= 1;
>
> for (i = 0; i < 3; i++, x >>= 16) {
> pr.rx_time[i] = (x & 0xffff);
> }
>
> pr.pktno = ++itmp->pkts;
> pr.prvlen = hr.rlen;
> pr.rx_frm_len = phdr->len + 4;
> pr.rx_frm_sln = phdr->caplen;
>
> hr.rlen = pr.rx_frm_sln + (pr.rx_frm_sln ? sizeof(LA_PacketRecord) : 0);
>
> *err = swrite(&hr, sizeof hr, wdh->fh);
> if (*err)
> return FALSE;
>
> *err = swrite(&pr , sizeof pr , wdh->fh);
> if (*err)
> return FALSE;
>
> *err = swrite(pd , phdr->caplen , wdh->fh);
> if (*err)
> return FALSE;
>
> wdh->bytes_dumped += thisSize;
>
> return TRUE;
> }
>
> /*---------------------------------------------------
> * Returns 0 if we could write the specified encapsulation type,
> * an error indication otherwise.
> *---------------------------------------------------*/
> int lanalyzer_dump_can_write_encap(int encap)
> {
> /* Per-packet encapsulations aren't supported. */
> if (encap == WTAP_ENCAP_PER_PACKET)
> return WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED;
>
> if ( encap != WTAP_ENCAP_ETHERNET
> && encap != WTAP_ENCAP_TOKEN_RING )
> return WTAP_ERR_UNSUPPORTED_ENCAP;
> /*
> * printf("lanalyzer_dump_can_write_encap(%d)\n",encap);
> */
> return 0;
> }
>
> /*---------------------------------------------------
> * Returns TRUE on success, FALSE on failure; sets "*err" to an
> * error code on failure
> *---------------------------------------------------*/
> gboolean lanalyzer_dump_open(wtap_dumper *wdh, int *err)
> {
> int jump;
> void *tmp;
>
> /* This is a LanAlyzer file */
>
> tmp = g_malloc(sizeof(LA_TmpInfo));
> if (!tmp) {
> *err = errno;
> return FALSE;
> }
>
> ((LA_TmpInfo*)tmp)->init = FALSE;
> wdh->dump.opaque = tmp;
> wdh->subtype_write = lanalyzer_dump;
> wdh->subtype_close = lanalyzer_dump_close;
>
> /* Some of the fields in the file header aren't known yet so
> just skip over it for now. It will be created after all
> of the packets have been written. */
>
> jump = sizeof (LA_HeaderRegularFake)
> + sizeof (LA_RxChannelNameFake)
> + sizeof (LA_TxChannelNameFake)
> + sizeof (LA_RxTemplateNameFake)
> + sizeof (LA_TxTemplateNameFake)
> + sizeof (LA_DisplayOptionsFake)
> + sizeof (LA_SummaryRecord)
> + sizeof (LA_SubfileSummaryRecord)
> + sizeof (LA_IndexRecord)
> + sizeof (LA_CyclicInformationFake);
>
> if (fseek(wdh->fh, jump, SEEK_SET) == -1) {
> *err = errno;
> return FALSE;
> }
> wdh->bytes_dumped = jump;
> return TRUE;
> }
>
> /*---------------------------------------------------
> *
> *---------------------------------------------------*/
> static gboolean lanalyzer_dump_header(wtap_dumper *wdh, int *err)
> {
> static LA_SummaryRecord sr;
> static LA_SubfileSummaryRecord ssr;
> static LA_IndexRecord sir;
> LA_TmpInfo *itmp = (LA_TmpInfo*)(wdh->dump.opaque);
> struct tm *fT = localtime(&(itmp->start.tv_sec));
>
> /* printf("lanalyzer_dump_header pkts:%d\n",itmp->pkts); */
> fseek(wdh->fh, 0, SEEK_SET);
>
> *err = swrite(&LA_HeaderRegularFake, sizeof LA_HeaderRegularFake, wdh->fh);
> if (*err)
> return FALSE;
> *err = swrite(&LA_RxChannelNameFake , sizeof LA_RxChannelNameFake , wdh->fh);
> if (*err)
> return FALSE;
> *err = swrite(&LA_TxChannelNameFake , sizeof LA_TxChannelNameFake , wdh->fh);
> if (*err)
> return FALSE;
> *err = swrite(&LA_RxTemplateNameFake, sizeof LA_RxTemplateNameFake, wdh->fh);
> if (*err)
> return FALSE;
> *err = swrite(&LA_TxTemplateNameFake, sizeof LA_TxTemplateNameFake, wdh->fh);
> if (*err)
> return FALSE;
> *err = swrite(&LA_DisplayOptionsFake, sizeof LA_DisplayOptionsFake, wdh->fh);
> if (*err)
> return FALSE;
>
> /*-----------------------------------------------------------------*/
> /*fprintf(stderr,"%02d.%02d.%d %02d:%02d:%02d",
> * fT->tm_mday,1+fT->tm_mon,1900 + fT->tm_year,
> * fT->tm_hour,fT->tm_min,fT->tm_sec);
> */
> sr.rid = RT_Summary;
> sr.rlen = sizeof (Summary);
> sr.s.datcre.day = fT->tm_mday;
> sr.s.datcre.mon = fT->tm_mon + 1;
> sr.s.datcre.year = fT->tm_year + 1900;
> sr.s.datclo.day = fT->tm_mday;
> sr.s.datclo.mon = fT->tm_mon + 1;
> sr.s.datclo.year = fT->tm_year + 1900;
> sr.s.timeopn.second = fT->tm_sec;
> sr.s.timeopn.minute = fT->tm_min;
> sr.s.timeopn.hour = fT->tm_hour;
> sr.s.timeopn.day = fT->tm_mday;
> sr.s.timeclo.second = fT->tm_sec;
> sr.s.timeclo.minute = fT->tm_min;
> sr.s.timeclo.hour = fT->tm_hour;
> sr.s.timeclo.day = fT->tm_mday;
> /* EAddr == 0 */
> sr.s.mxseqno = 1;
> /* slcoff == 0 */
> sr.s.mxslc = 1514;
> sr.s.totpktt = itmp->pkts;
> /* statrg == 0; ? -1*/
> /* stptrg == 0; ? -1*/
> sr.s.mxpkta[1] = itmp->pkts; /* *.tr1 */
> sr.s.board_type = itmp->encap == WTAP_ENCAP_TOKEN_RING
> ? BOARD_325TR /* Lanalyzer Board Type */
> : BOARD_325; /* Lanalyzer Board Type */
>
> /* board_version == 0 */
>
> *err = swrite(&sr, sizeof sr, wdh->fh);
> if (*err)
> return FALSE;
>
> /*-----------------------------------------------------------------*/
> ssr.rid = RT_SubfileSummary;
> ssr.rlen = sizeof(LA_SubfileSummaryRecord) - 4;
> ssr.seqno = 1;
> ssr.totpktf = itmp->pkts;
> *err = swrite(&ssr, sizeof ssr, wdh->fh);
> if (*err)
> return FALSE;
> /*-----------------------------------------------------------------*/
> *err = swrite(&LA_CyclicInformationFake, sizeof LA_CyclicInformationFake, wdh->fh);
> if (*err)
> return FALSE;
> /*-----------------------------------------------------------------*/
> sir.rid = RT_Index;
> sir.rlen = sizeof(sir) - 4;
> sir.idxsp = LA_IndexSize;
>
> *err = swrite(&sir, sizeof sir, wdh->fh);
> if (*err)
> return FALSE;
>
> return TRUE;
> }
>
> /*---------------------------------------------------
> * Finish writing to a dump file.
> * Returns TRUE on success, FALSE on failure.
> *---------------------------------------------------*/
> static gboolean lanalyzer_dump_close(wtap_dumper *wdh, int *err)
> {
> if (wdh->dump.opaque) {
> lanalyzer_dump_header(wdh,err);
> g_free(wdh->dump.opaque);
> wdh->dump.opaque = 0;
> }
> return *err ? FALSE : TRUE;
> }
>
>
>
Index: wiretap/lanalyzer.h
===================================================================
RCS file: /cvsroot/ethereal/wiretap/lanalyzer.h,v
retrieving revision 1.5
diff -r1.5 lanalyzer.h
7c7
< *
---
> *
12c12
< *
---
> *
17c17
< *
---
> *
27c27,138
< int lanalyzer_open(wtap *wth, int *err);
---
> /* Record type codes: */
>
> #define RT_HeaderRegular 0x1001
> #define RT_HeaderCyclic 0x1007
> #define RT_RxChannelName 0x1006
> #define RT_TxChannelName 0x100b
> #define RT_FilterName 0x1032
> #define RT_RxTemplateName 0x1035
> #define RT_TxTemplateName 0x1036
> #define RT_DisplayOptions 0x100a
> #define RT_Summary 0x1002
> #define RT_SubfileSummary 0x1003
> #define RT_CyclicInformation 0x1009
> #define RT_Index 0x1004
> #define RT_PacketData 0x1005
>
> #define LA_ProFileLimit (1024 * 1024 * 32)
>
> typedef guint8 Eadr[6];
> typedef guint16 TimeStamp[3]; /* 0.5 microseconds since start of trace */
>
> #pragma pack(2)
>
> typedef struct {
> guint8 day;
> guint8 mon;
> gint16 year;
> } Date;
>
> typedef struct {
> guint8 second;
> guint8 minute;
> guint8 hour;
> guint8 day;
> gint16 reserved;
> } Time;
>
> typedef struct {
> guint16 rx_channels;
> guint16 rx_errors;
> gint16 rx_frm_len;
> gint16 rx_frm_sln;
> TimeStamp rx_time;
> guint32 pktno;
> gint16 prvlen;
> gint16 offset;
> gint16 tx_errs;
> gint16 rx_filters;
> gint8 unused[2];
> gint16 hwcolls;
> gint16 hwcollschans;
> /* Packetdata ....; */
> } LA_PacketRecord;
>
> typedef struct {
> Date datcre;
> Date datclo;
> Time timeopn;
> Time timeclo;
> Eadr statadr;
> gint16 mxseqno;
> gint16 slcoff;
> gint16 mxslc;
> gint32 totpktt;
> gint32 statrg;
> gint32 stptrg;
> gint32 mxpkta[36];
> gint16 board_type;
> gint16 board_version;
> gint8 reserved[18];
> } Summary;
>
> typedef struct {
> gint16 rid;
> gint16 rlen;
> Summary s;
> } LA_SummaryRecord;
>
> typedef struct {
> gint16 rid;
> gint16 rlen;
> gint16 seqno;
> gint32 totpktf;
> } LA_SubfileSummaryRecord;
>
> #define LA_IndexSize 500
>
> typedef struct {
> gint16 rid;
> gint16 rlen;
> gint16 idxsp; /* = LA_IndexSize */
> gint16 idxct;
> gint8 idxgranu;
> gint8 idxvd;
> gint32 trcidx[LA_IndexSize + 2]; /* +2 undocumented but used by La 2.2 */
> } LA_IndexRecord;
>
> typedef struct {
> gint16 rid;
> gint16 rlen;
> } LA_RecordHeader;
>
> typedef struct {
> gboolean init;
> struct timeval start;
> guint32 pkts;
> int encap;
> } LA_TmpInfo;
>
> int lanalyzer_open(wtap *wth, int *err);
> gboolean lanalyzer_dump_open(wtap_dumper *wdh, int *err);
> int lanalyzer_dump_can_write_encap(int encap);
Attachment:
lanalyzer2.zip
Description: Binary data
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