fis-gtm/sr_port_cm/gtcmtr_bufflush.c

105 lines
3.1 KiB
C

/****************************************************************
* *
* Copyright 2001, 2009 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 "gdsroot.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "gdsblk.h"
#include "filestruct.h"
#include "jnl.h"
#include "cmidef.h"
#include "hashtab_mname.h" /* needed for cmmdef.h */
#include "cmmdef.h"
#include "copy.h"
#include "format_targ_key.h"
#include "gtcm_find_region.h"
#include "gtcm_bind_name.h"
#include "gvcst_protos.h" /* for gvcst_put prototype */
#include "gtcmtr_protos.h"
GBLREF gd_region *gv_cur_region;
GBLREF sgmnt_addrs *cs_addrs;
GBLREF gv_key *gv_currkey;
GBLREF connection_struct *curr_entry;
GBLREF jnl_process_vector *originator_prc_vec;
bool gtcmtr_bufflush(void)
{
cm_region_list *reg_ref;
mval v;
short n;
unsigned short num_trans, data_len;
unsigned char buff[MAX_ZWR_KEY_SZ], *end;
unsigned char *ptr, regnum, len, cc, prv;
static readonly gds_file_id file;
error_def(ERR_KEY2BIG);
error_def(ERR_REC2BIG);
error_def(ERR_GVIS);
ptr = curr_entry->clb_ptr->mbf;
assert(*ptr == CMMS_B_BUFFLUSH);
ptr++;
v.mvtype = MV_STR;
GET_USHORT(num_trans, ptr);
ptr += SIZEOF(short);
for (; num_trans-- > 0;)
{
regnum = *ptr++;
reg_ref = gtcm_find_region(curr_entry, regnum);
len = *ptr++;
cc = *ptr++;
prv = *ptr++;
assert (len + cc - 1 < gv_currkey->top);
memcpy(&gv_currkey->base[cc], ptr, len);
ptr += len;
gv_currkey->end = len + cc - 1;
gv_currkey->prev = prv;
assert(prv < gv_currkey->end);
if ((n = gv_currkey->end + 1) > gv_cur_region->max_key_size)
{
if ((end = format_targ_key(&buff[0], MAX_ZWR_KEY_SZ, gv_currkey, TRUE)) == 0)
end = &buff[MAX_ZWR_KEY_SZ - 1];
rts_error(VARLSTCNT(11) ERR_KEY2BIG, 4, n, (int4)gv_cur_region->max_key_size,
REG_LEN_STR(gv_cur_region), 0, ERR_GVIS, 2, end - buff, buff);
}
gtcm_bind_name(reg_ref->reghead, TRUE);
if (JNL_ENABLED(cs_addrs->hdr))
{
cs_addrs->jnl->pini_addr = reg_ref->pini_addr;
originator_prc_vec = curr_entry->pvec;
}
GET_USHORT(data_len, ptr);
ptr += SIZEOF(short);
v.str.len = data_len;
v.str.addr = (char *)ptr;
if (n + v.str.len + SIZEOF(rec_hdr) > gv_cur_region->max_rec_size)
{
if ((end = format_targ_key(&buff[0], MAX_ZWR_KEY_SZ, gv_currkey, TRUE)) == 0)
end = &buff[MAX_ZWR_KEY_SZ - 1];
rts_error(VARLSTCNT(11) ERR_REC2BIG, 4, n + v.str.len + SIZEOF(rec_hdr), (int4)gv_cur_region->max_rec_size,
REG_LEN_STR(gv_cur_region), 0, ERR_GVIS, 2, end - buff, buff);
}
gvcst_put(&v);
if (JNL_ENABLED(cs_addrs->hdr))
reg_ref->pini_addr = cs_addrs->jnl->pini_addr; /* In case journal switch occurred */
ptr += data_len;
}
ptr = curr_entry->clb_ptr->mbf;
*ptr++ = CMMS_C_BUFFLUSH;
curr_entry->clb_ptr->cbl = S_HDRSIZE;
return TRUE;
}