125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
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/****************************************************************
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* *
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* Copyright 2005, 2010 Fidelity Information Services, LLC. *
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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 "gtm_string.h"
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#include "gtm_stdio.h"
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#include "gtm_fcntl.h"
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#include "gtm_limits.h"
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#include "gtm_stdlib.h"
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#include "gtm_unistd.h"
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#include <sys/sem.h>
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#include <errno.h>
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#include "gtmio.h"
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#include "gdsroot.h"
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#include "v15_gdsroot.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 "v15_gdsbt.h"
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#include "gdsfhead.h"
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#include "v15_gdsfhead.h"
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#include "filestruct.h"
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#include "v15_filestruct.h"
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#include "iosp.h"
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#include "eintr_wrappers.h"
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#include "gdsblk.h"
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#include "gdsblkops.h"
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#include "is_file_identical.h"
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#include "error.h"
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#include "dbcertify.h"
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void dbcertify_dbfilop(phase_static_area *psa)
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{
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unix_db_info *udi;
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struct stat stat_buf;
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int4 save_errno;
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int fstat_res;
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error_def(ERR_DBFILOPERR);
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error_def(ERR_DBOPNERR);
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error_def(ERR_DBPREMATEOF);
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error_def(ERR_SYSCALL);
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error_def(ERR_TEXT);
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/* assert((dba_mm == psa->fc->file_type) || (dba_bg == psa->fc->file_type)); not always set in unix */
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udi = (unix_db_info *)psa->fc->file_info;
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switch(psa->fc->op)
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{
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case FC_READ:
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NON_GTM64_ONLY(DBC_DEBUG(("DBC_DEBUG: -- Reading database op_pos = %lld op_len = %d\n",
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psa->fc->op_pos, psa->fc->op_len)));
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GTM64_ONLY(DBC_DEBUG(("DBC_DEBUG: -- Reading database op_pos = %ld op_len = %d\n",
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psa->fc->op_pos, psa->fc->op_len)));
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assert(psa->fc->op_pos > 0); /* gt.m uses the vms convention of numbering the blocks from 1 */
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LSEEKREAD(udi->fd,
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(off_t)(psa->fc->op_pos - 1) * DISK_BLOCK_SIZE,
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psa->fc->op_buff,
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psa->fc->op_len,
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save_errno);
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if (0 != save_errno)
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{
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if (-1 == save_errno)
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rts_error(VARLSTCNT(4) ERR_DBPREMATEOF, 2, LEN_AND_STR(udi->fn));
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else
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rts_error(VARLSTCNT(5) ERR_DBFILOPERR, 2, LEN_AND_STR(udi->fn), save_errno);
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}
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break;
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case FC_WRITE:
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NON_GTM64_ONLY(DBC_DEBUG(("DBC_DEBUG: -- Writing database op_pos = %lld op_len = %d\n",
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psa->fc->op_pos, psa->fc->op_len)));
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GTM64_ONLY(DBC_DEBUG(("DBC_DEBUG: -- Writing database op_pos = %ld op_len = %d\n",
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psa->fc->op_pos, psa->fc->op_len)));
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LSEEKWRITE(udi->fd,
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(off_t)(psa->fc->op_pos - 1) * DISK_BLOCK_SIZE,
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psa->fc->op_buff,
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psa->fc->op_len,
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save_errno);
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if (0 != save_errno)
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rts_error(VARLSTCNT(5) ERR_DBFILOPERR, 2, LEN_AND_STR(udi->fn), save_errno);
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break;
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case FC_OPEN:
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DBC_DEBUG(("DBC_DEBUG: -- Opening database %s\n", (char *)psa->dbc_gv_cur_region->dyn.addr->fname));
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psa->dbc_gv_cur_region->read_only = FALSE; /* maintain csa->read_write simultaneously */
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udi->s_addrs.read_write = TRUE; /* maintain reg->read_only simultaneously */
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if (FD_INVALID == (udi->fd = OPEN((char *)psa->dbc_gv_cur_region->dyn.addr->fname, O_RDWR)))
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{
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if (FD_INVALID == (udi->fd = OPEN((char *)psa->dbc_gv_cur_region->dyn.addr->fname, O_RDONLY)))
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{
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save_errno = errno;
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rts_error(VARLSTCNT(5) ERR_DBOPNERR, 2, DB_LEN_STR(psa->dbc_gv_cur_region), save_errno);
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}
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psa->dbc_gv_cur_region->read_only = TRUE; /* maintain csa->read_write simultaneously */
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udi->s_addrs.read_write = FALSE; /* maintain reg->read_only simultaneously */
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}
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FSTAT_FILE(udi->fd, &stat_buf, fstat_res);
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if (-1 == fstat_res)
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{
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save_errno = errno;
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rts_error(VARLSTCNT(5) ERR_DBOPNERR, 2, DB_LEN_STR(psa->dbc_gv_cur_region), save_errno);
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}
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set_gdid_from_stat(&udi->fileid, &stat_buf);
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udi->raw = (S_ISCHR(stat_buf.st_mode) || S_ISBLK(stat_buf.st_mode));
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udi->fn = (char *)psa->dbc_gv_cur_region->dyn.addr->fname;
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break;
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case FC_CLOSE:
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DBC_DEBUG(("DBC_DEBUG: -- Closing database %s\n", (char *)psa->dbc_gv_cur_region->dyn.addr->fname));
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CLOSEFILE_RESET(udi->fd, save_errno); /* resets "udi->fd" to FD_INVALID */
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if (0 != save_errno)
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rts_error(VARLSTCNT(5) ERR_DBFILOPERR, 2, LEN_AND_STR(udi->fn), save_errno);
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break;
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default:
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GTMASSERT;
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}
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}
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