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/****************************************************************
* *
* Copyright 2004 Sanchez Computer Associates, 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 "cmidef.h"
#include "hashtab_mname.h" /* needed for cmmdef.h */
#include "cmmdef.h"
#include "gvcmx.h"
#include "gvcmz.h"
#include "gdsroot.h"
#include "gdskill.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "format_targ_key.h" /* for format_targ_key prototype */
GBLREF gd_region *gv_cur_region;
GBLREF gv_key *gv_currkey;
/* returns FALSE if gv_currkey is undefined in the server end and undef_inhibit is turned OFF */
void gvcmx_increment(mval *increment, mval *result)
{
unsigned char buff[MAX_ZWR_KEY_SZ], *end;
mval tmpmval;
error_def(ERR_UNIMPLOP);
error_def(ERR_TEXT);
error_def(ERR_GVIS);
if (!((link_info *)gv_cur_region->dyn.addr->cm_blk->usr)->server_supports_dollar_incr)
{
assert(dba_cm == gv_cur_region->dyn.addr->acc_meth); /* we should've covered all other access methods elsewhere */
end = format_targ_key(buff, MAX_ZWR_KEY_SZ, gv_currkey, TRUE);
rts_error(VARLSTCNT(14) ERR_UNIMPLOP, 0,
ERR_TEXT, 2, LEN_AND_LIT("GT.CM server does not support $INCREMENT operation"),
ERR_GVIS, 2, end - buff, buff,
ERR_TEXT, 2, REG_LEN_STR(gv_cur_region));
}
/* gvcmz_doop() currently accepts only one argument.
* It serves as an input argument for SET.
* It serves as an output argument for GET etc.
* $INCR is unique in that it needs to pass the increment as input and expects the post-increment as output.
*
* In order to accomplish this without changing the gvcmz_doop() interface, we overload the one argument to
* serve two purposes. It will be an input argument until the send of the message to the server and will
* then serve as an output argument after the response from the server. ("result" is used for this purpose)
* i.e.
* to serve as increment for client --> server message
* to serve as post-increment value for server --> client message
*/
assert(MV_IS_NUMERIC(increment)); /* op_gvincr would have forced it to be a NUMERIC */
MV_FORCE_STR(increment); /* convert it to a string before sending it to gvcmz_doop */
*result = *increment;
gvcmz_doop(CMMS_Q_INCREMENT, CMMS_R_INCREMENT, result);
}
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