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/****************************************************************
* *
* Copyright (c) 2005-2016 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* 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 "gtm_stdio.h"
#include "gtm_fcntl.h"
#include "gtm_limits.h"
#include "gtm_stdlib.h"
#include "gtm_unistd.h"
#include <sys/sem.h>
#include <errno.h>
#include "gtmio.h"
#include "gdsroot.h"
#include "v15_gdsroot.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "v15_gdsbt.h"
#include "gdsfhead.h"
#include "v15_gdsfhead.h"
#include "filestruct.h"
#include "v15_filestruct.h"
#include "iosp.h"
#include "eintr_wrappers.h"
#include "gdsblk.h"
#include "gdsblkops.h"
#include "is_file_identical.h"
#include "error.h"
#include "dbcertify.h"
#include "jnl.h"
#include "anticipatory_freeze.h"
error_def(ERR_DBFILOPERR);
error_def(ERR_DBOPNERR);
error_def(ERR_DBPREMATEOF);
error_def(ERR_SYSCALL);
error_def(ERR_TEXT);
void dbcertify_dbfilop(phase_static_area *psa)
{
unix_db_info *udi;
struct stat stat_buf;
int4 save_errno;
int fstat_res;
udi = FC2UDI(psa->fc);
switch(psa->fc->op)
{
case FC_READ:
NON_GTM64_ONLY(DBC_DEBUG(("DBC_DEBUG: -- Reading database op_pos = %lld op_len = %d\n",
psa->fc->op_pos, psa->fc->op_len)));
GTM64_ONLY(DBC_DEBUG(("DBC_DEBUG: -- Reading database op_pos = %ld op_len = %d\n",
psa->fc->op_pos, psa->fc->op_len)));
assert(psa->fc->op_pos > 0); /* gt.m uses the vms convention of numbering the blocks from 1 */
LSEEKREAD(udi->fd,
(off_t)(psa->fc->op_pos - 1) * DISK_BLOCK_SIZE,
psa->fc->op_buff,
psa->fc->op_len,
save_errno);
if (0 != save_errno)
{
if (-1 == save_errno)
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_DBPREMATEOF, 2, LEN_AND_STR(udi->fn));
else
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(5) ERR_DBFILOPERR, 2, LEN_AND_STR(udi->fn),
save_errno);
}
break;
case FC_WRITE:
NON_GTM64_ONLY(DBC_DEBUG(("DBC_DEBUG: -- Writing database op_pos = %lld op_len = %d\n",
psa->fc->op_pos, psa->fc->op_len)));
GTM64_ONLY(DBC_DEBUG(("DBC_DEBUG: -- Writing database op_pos = %ld op_len = %d\n",
psa->fc->op_pos, psa->fc->op_len)));
DB_LSEEKWRITE(NULL, udi, NULL, udi->fd,
(off_t)(psa->fc->op_pos - 1) * DISK_BLOCK_SIZE,
psa->fc->op_buff,
psa->fc->op_len,
save_errno);
if (0 != save_errno)
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(5) ERR_DBFILOPERR, 2, LEN_AND_STR(udi->fn), save_errno);
break;
case FC_OPEN:
DBC_DEBUG(("DBC_DEBUG: -- Opening database %s\n", (char *)psa->dbc_gv_cur_region->dyn.addr->fname));
psa->dbc_gv_cur_region->read_only = FALSE; /* maintain csa->read_write simultaneously */
udi->s_addrs.read_write = TRUE; /* maintain reg->read_only simultaneously */
if (FD_INVALID == (udi->fd = OPEN((char *)psa->dbc_gv_cur_region->dyn.addr->fname, O_RDWR)))
{
if (FD_INVALID == (udi->fd = OPEN((char *)psa->dbc_gv_cur_region->dyn.addr->fname, O_RDONLY)))
{
save_errno = errno;
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(5) ERR_DBOPNERR, 2,
DB_LEN_STR(psa->dbc_gv_cur_region), save_errno);
}
psa->dbc_gv_cur_region->read_only = TRUE; /* maintain csa->read_write simultaneously */
udi->s_addrs.read_write = FALSE; /* maintain reg->read_only simultaneously */
}
FSTAT_FILE(udi->fd, &stat_buf, fstat_res);
if (-1 == fstat_res)
{
save_errno = errno;
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(5) ERR_DBOPNERR, 2, DB_LEN_STR(psa->dbc_gv_cur_region),
save_errno);
}
set_gdid_from_stat(&udi->fileid, &stat_buf);
udi->raw = (S_ISCHR(stat_buf.st_mode) || S_ISBLK(stat_buf.st_mode));
udi->fn = (char *)psa->dbc_gv_cur_region->dyn.addr->fname;
break;
case FC_CLOSE:
DBC_DEBUG(("DBC_DEBUG: -- Closing database %s\n", (char *)psa->dbc_gv_cur_region->dyn.addr->fname));
CLOSEFILE_RESET(udi->fd, save_errno); /* resets "udi->fd" to FD_INVALID */
if (0 != save_errno)
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(5) ERR_DBFILOPERR, 2, LEN_AND_STR(udi->fn), save_errno);
break;
default:
assertpro(FALSE && psa->fc->op);
}
}
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