fis-gtm/sr_port/parse_trctbl_groups.c

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/****************************************************************
* *
* Copyright 2011 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gtm_string.h"
#include "trace_table.h"
#include "parse_trctbl_groups.h"
#define TRACEGROUP(group) #group,
#define TRACETYPE(group, type, int, addr1, addr2, addr3)
LITDEF char *gtm_trcgrp_names[LAST_TRACE_GROUP + 1] =
{
"NOT USED",
# include "trace_table_types.h"
"NOT USED"
};
#undef TRACEGROUP
#undef TRACETYPE
error_def(ERR_INVTRCGRP);
/* Parse trace table group list:
*
* Trace table groups are specified as "grpname1, grpname2, etc" with or without white space. Parse these names,
* look 'em up and set the appropriate bit mask in TREF(gtm_trctbl_groups). This is not the fanciest parse on the
* planet but given that this is a one time act in a process and only if we are tracing, it doesn't really need
* to be fancy max-performance. Note special case if string is "ALL".
*/
void parse_trctbl_groups(mstr *grps)
{
unsigned char *grpstrt, *cp, *cpe;
int grplen, grpindx;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
cp = (unsigned char *)grps->addr;
cpe = cp + grps->len; /* Terminating null is not part of parse string */
assert((0 == grps->len) || ('\0' == *cpe)); /* Validate above assumption */
if (0 == strcmp(grps->addr, "ALL"))
{ /* We want all the trace groups - set all the mask bits */
TREF(gtm_trctbl_groups) = 0xFFFFFFFF;
return;
}
while (cp < cpe)
{
while ((cp < cpe) && ((',' == *cp) || (' ' == *cp) || ('\t' == *cp)))
cp++; /* Ignore white space and spurious commas */
/* Now have start of a group name token */
grpstrt = cp;
/* Look for token terminator */
while ((cp < cpe) && (',' != *cp) && ('\t' != *cp) && (' ' != *cp))
cp++; /* Look for char not white space or comma */
/* Have end of token */
grplen = cp - grpstrt;
if (0 == grplen)
break; /* can happen if value had trailing space(s) and/or comma(s) */
if ((cp < cpe) && (',' == *cp))
cp++; /* forward space past comma */
/* See if this is a valid group name */
for (grpindx = 1; LAST_TRACE_GROUP > grpindx; grpindx++)
{
if ((strlen(gtm_trcgrp_names[grpindx]) == grplen)
&& (0 == memcmp(grpstrt, gtm_trcgrp_names[grpindx], grplen)))
{ /* Group found - set related bit in mask */
TREF(gtm_trctbl_groups) = (TREF(gtm_trctbl_groups) | (1 << grpindx));
break;
}
}
if (LAST_TRACE_GROUP == grpindx)
/* We didn't find the group - raise error */
rts_error(VARLSTCNT(4) ERR_INVTRCGRP, 2, grplen, grpstrt);
}
}