fis-gtm/sr_unix_cm/omi_prc_ordr.c

147 lines
3.2 KiB
C

/****************************************************************
* *
* Copyright 2001, 2010 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. *
* *
****************************************************************/
/*
* omi_prc_ordr.c ---
*
* Process a ORDER request.
*
*/
#ifndef lint
static char rcsid[] = "$Header:$";
#endif
#include "mdef.h"
#include "gtm_string.h"
#include "omi.h"
#include "error.h"
#include "gdsroot.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "stringpool.h"
#include "op.h"
#include "gvcst_protos.h" /* for gvcst_root_search in GV_BIND_NAME_AND_ROOT_SEARCH macro */
GBLREF gv_namehead *gv_target;
GBLREF gv_key *gv_currkey;
GBLREF gv_key *gv_altkey;
GBLREF bool undef_inhibit;
int omi_prc_ordr(omi_conn *cptr, char *xend, char *buff, char *bend)
{
char *bptr;
int rv;
omi_li len;
mval vo, vd, vg;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
bptr = buff;
/* Global Ref */
OMI_LI_READ(&len, cptr->xptr);
/* Condition handler for DBMS operations */
ESTABLISH_RET(omi_dbms_ch,0);
rv = omi_gvextnam(cptr, len.value, cptr->xptr);
/* If true, there was an error finding the global reference in the DBMS */
if (rv < 0)
{
REVERT;
return rv;
}
cptr->xptr += len.value;
/* Bounds checking */
if (cptr->xptr > xend)
{
REVERT;
return -OMI_ER_PR_INVMSGFMT;
}
/* We want to make sure there is plenty of space in the string pool for all three operations ($ORDER, $GET, $DATA) */
if (cptr->exts & OMI_XTF_NEWOP)
INVOKE_STP_GCOL(0);
/* $ORDER */
op_gvorder(&vo);
/* $ORDER (buffer write) */
OMI_SI_WRIT(vo.str.len, bptr);
if (vo.str.len)
{
memcpy(bptr, vo.str.addr, vo.str.len);
bptr += vo.str.len;
}
/* Bunching */
if (cptr->exts & OMI_XTF_NEWOP)
{
if (vo.str.len)
{
if (!gv_currkey->prev)
{
if (*vo.str.addr != '^')
{
REVERT;
return -OMI_ER_PR_INVGLOBREF;
}
vo.str.addr++; vo.str.len--;
GV_BIND_NAME_AND_ROOT_SEARCH(cptr->ga, &vo.str);
vo.str.addr--; vo.str.len++;
TREF(gv_last_subsc_null) = FALSE;
} else
{
if (gv_currkey->top != gv_altkey->top)
{
REVERT
return -OMI_ER_DB_UNRECOVER;
}
memcpy(gv_currkey, gv_altkey, gv_altkey->end + SIZEOF(gv_key));
TREF(gv_last_subsc_null) = FALSE;
}
/* $DATA */
op_gvdata(&vd);
if (!(vd.mvtype & MV_INT))
{
REVERT;
return -OMI_ER_DB_UNRECOVER;
}
/* $GET */
undef_inhibit = TRUE;
rv = op_gvget(&vg);
/* $DATA (buffer write) */
OMI_SI_WRIT(vd.m[1] / MV_BIAS, bptr);
/* $GET (buffer write) */
OMI_SI_WRIT((rv ? 1 : 0), bptr);
if (!rv || !vg.str.len)
OMI_LI_WRIT(0, bptr);
else
{
OMI_LI_WRIT(vg.str.len, bptr);
memcpy(bptr, vg.str.addr, vg.str.len);
bptr += vg.str.len;
}
} else
{ /* Otherwise $ORDER returned a null */
/* $DATA (buffer write) */
OMI_SI_WRIT(0, bptr);
/* $GET (buffer write) */
OMI_SI_WRIT(0, bptr);
OMI_LI_WRIT(0, bptr);
}
}
REVERT;
return (int)(bptr - buff);
}