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