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Moved isam headers to include/idzebra.
[idzebra-moved-to-github.git]
/
bfile
/
mfile.c
diff --git
a/bfile/mfile.c
b/bfile/mfile.c
index
002a3f9
..
3f673aa
100644
(file)
--- a/
bfile/mfile.c
+++ b/
bfile/mfile.c
@@
-1,5
+1,5
@@
-/* $Id: mfile.c,v 1.49 2002-08-02 19:26:55 adam Exp $
- Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
+/* $Id: mfile.c,v 1.57 2004-12-08 12:23:08 adam Exp $
+ Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003
Index Data Aps
This file is part of the Zebra server.
Index Data Aps
This file is part of the Zebra server.
@@
-44,7
+44,7
@@
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#include <zebra-lock.h>
#include <zebrautl.h>
#include <zebra-lock.h>
#include <zebrautl.h>
-#include <mfile.h>
+#include "mfile.h"
static int scan_areadef(MFile_area ma, const char *ad, const char *base)
{
static int scan_areadef(MFile_area ma, const char *ad, const char *base)
{
@@
-60,7
+60,7
@@
static int scan_areadef(MFile_area ma, const char *ad, const char *base)
{
const char *ad0 = ad;
int i = 0, fact = 1, multi;
{
const char *ad0 = ad;
int i = 0, fact = 1, multi;
- off_t size = 0;
+ mfile_off_t size = 0;
while (*ad == ' ' || *ad == '\t')
ad++;
while (*ad == ' ' || *ad == '\t')
ad++;
@@
-83,12
+83,12
@@
static int scan_areadef(MFile_area ma, const char *ad, const char *base)
dirname[i] = '\0';
if (*ad++ != ':')
{
dirname[i] = '\0';
if (*ad++ != ':')
{
- logf (LOG_WARN, "Missing colon after path: %s", ad0);
+ yaz_log (YLOG_WARN, "Missing colon after path: %s", ad0);
return -1;
}
if (i == 0)
{
return -1;
}
if (i == 0)
{
- logf (LOG_WARN, "Empty path: %s", ad0);
+ yaz_log (YLOG_WARN, "Empty path: %s", ad0);
return -1;
}
while (*ad == ' ' || *ad == '\t')
return -1;
}
while (*ad == ' ' || *ad == '\t')
@@
-103,7
+103,7
@@
static int scan_areadef(MFile_area ma, const char *ad, const char *base)
size = 0;
if (*ad < '0' || *ad > '9')
{
size = 0;
if (*ad < '0' || *ad > '9')
{
- logf (LOG_FATAL, "Missing size after path: %s", ad0);
+ yaz_log (YLOG_FATAL, "Missing size after path: %s", ad0);
return -1;
}
size = 0;
return -1;
}
size = 0;
@@
-116,10
+116,10
@@
static int scan_areadef(MFile_area ma, const char *ad, const char *base)
case 'M': case 'm': multi = 1048576; break;
case 'G': case 'g': multi = 1073741824; break;
case '\0':
case 'M': case 'm': multi = 1048576; break;
case 'G': case 'g': multi = 1073741824; break;
case '\0':
- logf (LOG_FATAL, "Missing unit: %s", ad0);
+ yaz_log (YLOG_FATAL, "Missing unit: %s", ad0);
return -1;
default:
return -1;
default:
- logf (LOG_FATAL, "Illegal unit: %c in %s", *ad, ad0);
+ yaz_log (YLOG_FATAL, "Illegal unit: %c in %s", *ad, ad0);
return -1;
}
ad++;
return -1;
}
ad++;
@@
-132,9
+132,10
@@
static int scan_areadef(MFile_area ma, const char *ad, const char *base)
return 0;
}
return 0;
}
-static int file_position(MFile mf, int pos, int offset)
+static zint file_position(MFile mf, zint pos, int offset)
{
{
- int off = 0, c = mf->cur_file, ps;
+ zint off = 0, ps;
+ int c = mf->cur_file;
if ((c > 0 && pos <= mf->files[c-1].top) ||
(c < mf->no_files -1 && pos > mf->files[c].top))
if ((c > 0 && pos <= mf->files[c-1].top) ||
(c < mf->no_files -1 && pos > mf->files[c].top))
@@
-158,14
+159,17
@@
static int file_position(MFile mf, int pos, int offset)
{
if (!mf->wr && errno == ENOENT && off == 0)
return -2;
{
if (!mf->wr && errno == ENOENT && off == 0)
return -2;
- logf (LOG_WARN|LOG_ERRNO, "Failed to open %s", mf->files[c].path);
+ yaz_log (YLOG_WARN|YLOG_ERRNO, "Failed to open %s", mf->files[c].path);
return -1;
}
}
return -1;
}
}
- if (lseek(mf->files[c].fd, (ps = pos - off) * mf->blocksize + offset,
+ ps = pos - off;
+ if (mfile_seek(mf->files[c].fd, ps * (mfile_off_t) mf->blocksize + offset,
SEEK_SET) < 0)
{
SEEK_SET) < 0)
{
- logf (LOG_WARN|LOG_ERRNO, "Failed to seek in %s", mf->files[c].path);
+ yaz_log (YLOG_WARN|YLOG_ERRNO, "Failed to seek in %s", mf->files[c].path);
+ yaz_log(YLOG_WARN, "pos=" ZINT_FORMAT " off=" ZINT_FORMAT " blocksize=%d offset=%d",
+ pos, off, mf->blocksize, offset);
return -1;
}
mf->cur_file = c;
return -1;
}
mf->cur_file = c;
@@
-174,7
+178,12
@@
static int file_position(MFile mf, int pos, int offset)
static int cmp_part_file(const void *p1, const void *p2)
{
static int cmp_part_file(const void *p1, const void *p2)
{
- return ((part_file *)p1)->number - ((part_file *)p2)->number;
+ zint d = ((part_file *)p1)->number - ((part_file *)p2)->number;
+ if (d > 0)
+ return 1;
+ if (d < 0)
+ return -1;
+ return 0;
}
/*
}
/*
@@
-192,13
+201,13
@@
MFile_area mf_init(const char *name, const char *spec, const char *base)
int fd, number;
char metaname[FILENAME_MAX+1], tmpnam[FILENAME_MAX+1];
int fd, number;
char metaname[FILENAME_MAX+1], tmpnam[FILENAME_MAX+1];
- logf (LOG_DEBUG, "mf_init(%s)", name);
+ yaz_log (YLOG_DEBUG, "mf_init(%s)", name);
strcpy(ma->name, name);
ma->mfiles = 0;
ma->dirs = 0;
if (scan_areadef(ma, spec, base) < 0)
{
strcpy(ma->name, name);
ma->mfiles = 0;
ma->dirs = 0;
if (scan_areadef(ma, spec, base) < 0)
{
- logf (LOG_WARN, "Failed to access description of '%s'", name);
+ yaz_log (YLOG_WARN, "Failed to access description of '%s'", name);
return 0;
}
/* look at each directory */
return 0;
}
/* look at each directory */
@@
-206,7
+215,7
@@
MFile_area mf_init(const char *name, const char *spec, const char *base)
{
if (!(dd = opendir(dirp->name)))
{
{
if (!(dd = opendir(dirp->name)))
{
- logf (LOG_WARN|LOG_ERRNO, "Failed to open directory %s",
+ yaz_log (YLOG_WARN|YLOG_ERRNO, "Failed to open directory %s",
dirp->name);
return 0;
}
dirp->name);
return 0;
}
@@
-241,6
+250,7
@@
MFile_area mf_init(const char *name, const char *spec, const char *base)
meta_f->next = ma->mfiles;
meta_f->open = 0;
meta_f->cur_file = -1;
meta_f->next = ma->mfiles;
meta_f->open = 0;
meta_f->cur_file = -1;
+ meta_f->unlink_flag = 0;
ma->mfiles = meta_f;
strcpy(meta_f->name, metaname);
part_f = &meta_f->files[0];
ma->mfiles = meta_f;
strcpy(meta_f->name, metaname);
part_f = &meta_f->files[0];
@@
-254,13
+264,13
@@
MFile_area mf_init(const char *name, const char *spec, const char *base)
/* get size */
if ((fd = open(part_f->path, O_BINARY|O_RDONLY)) < 0)
{
/* get size */
if ((fd = open(part_f->path, O_BINARY|O_RDONLY)) < 0)
{
- logf (LOG_FATAL|LOG_ERRNO, "Failed to access %s",
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "Failed to access %s",
dent->d_name);
return 0;
}
dent->d_name);
return 0;
}
- if ((part_f->bytes = lseek(fd, 0, SEEK_END)) < 0)
+ if ((part_f->bytes = mfile_seek(fd, 0, SEEK_END)) < 0)
{
{
- logf (LOG_FATAL|LOG_ERRNO, "Failed to seek in %s",
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "Failed to seek in %s",
dent->d_name);
return 0;
}
dent->d_name);
return 0;
}
@@
-275,7
+285,7
@@
MFile_area mf_init(const char *name, const char *spec, const char *base)
}
for (meta_f = ma->mfiles; meta_f; meta_f = meta_f->next)
{
}
for (meta_f = ma->mfiles; meta_f; meta_f = meta_f->next)
{
- logf (LOG_DEBUG, "mf_init: %s consists of %d part(s)", meta_f->name,
+ yaz_log (YLOG_DEBUG, "mf_init: %s consists of %d part(s)", meta_f->name,
meta_f->no_files);
qsort(meta_f->files, meta_f->no_files, sizeof(part_file),
cmp_part_file);
meta_f->no_files);
qsort(meta_f->files, meta_f->no_files, sizeof(part_file),
cmp_part_file);
@@
-349,7
+359,7
@@
MFile mf_open(MFile_area ma, const char *name, int block_size, int wflag)
char tmp[FILENAME_MAX+1];
mf_dir *dp;
char tmp[FILENAME_MAX+1];
mf_dir *dp;
- logf(LOG_DEBUG, "mf_open(%s bs=%d, %s)", name, block_size,
+ yaz_log(YLOG_DEBUG, "mf_open(%s bs=%d, %s)", name, block_size,
wflag ? "RW" : "RDONLY");
assert (ma);
for (mnew = ma->mfiles; mnew; mnew = mnew->next)
wflag ? "RW" : "RDONLY");
assert (ma);
for (mnew = ma->mfiles; mnew; mnew = mnew->next)
@@
-372,12
+382,13
@@
MFile mf_open(MFile_area ma, const char *name, int block_size, int wflag)
mnew->files[0].top = -1;
mnew->files[0].number = 0;
mnew->files[0].fd = -1;
mnew->files[0].top = -1;
mnew->files[0].number = 0;
mnew->files[0].fd = -1;
+ mnew->unlink_flag = 0;
mnew->min_bytes_creat = MF_MIN_BLOCKS_CREAT * block_size;
for (dp = ma->dirs; dp && dp->max_bytes >= 0 && dp->avail_bytes <
mnew->min_bytes_creat; dp = dp->next);
if (!dp)
{
mnew->min_bytes_creat = MF_MIN_BLOCKS_CREAT * block_size;
for (dp = ma->dirs; dp && dp->max_bytes >= 0 && dp->avail_bytes <
mnew->min_bytes_creat; dp = dp->next);
if (!dp)
{
- logf (LOG_FATAL, "Insufficient space for new mfile.");
+ yaz_log (YLOG_FATAL, "Insufficient space for new mfile.");
return 0;
}
mnew->files[0].dir = dp;
return 0;
}
mnew->files[0].dir = dp;
@@
-394,7
+405,7
@@
MFile mf_open(MFile_area ma, const char *name, int block_size, int wflag)
if (mnew->files[i].bytes % block_size)
mnew->files[i].bytes += block_size - mnew->files[i].bytes %
block_size;
if (mnew->files[i].bytes % block_size)
mnew->files[i].bytes += block_size - mnew->files[i].bytes %
block_size;
- mnew->files[i].blocks = mnew->files[i].bytes / block_size;
+ mnew->files[i].blocks = (int) (mnew->files[i].bytes / block_size);
}
assert(!mnew->open);
}
}
assert(!mnew->open);
}
@@
-406,7
+417,7
@@
MFile mf_open(MFile_area ma, const char *name, int block_size, int wflag)
for (i = 0; i < mnew->no_files; i++)
{
for (i = 0; i < mnew->no_files; i++)
{
- mnew->files[i].blocks = mnew->files[i].bytes / mnew->blocksize;
+ mnew->files[i].blocks = (int)(mnew->files[i].bytes / mnew->blocksize);
if (i == mnew->no_files - 1)
mnew->files[i].top = -1;
else
if (i == mnew->no_files - 1)
mnew->files[i].top = -1;
else
@@
-424,9
+435,10
@@
int mf_close(MFile mf)
{
int i;
{
int i;
- logf (LOG_DEBUG, "mf_close(%s)", mf->name);
+ yaz_log (YLOG_DEBUG, "mf_close(%s)", mf->name);
assert(mf->open);
for (i = 0; i < mf->no_files; i++)
assert(mf->open);
for (i = 0; i < mf->no_files; i++)
+ {
if (mf->files[i].fd >= 0)
{
#ifndef WIN32
if (mf->files[i].fd >= 0)
{
#ifndef WIN32
@@
-435,6
+447,9
@@
int mf_close(MFile mf)
close(mf->files[i].fd);
mf->files[i].fd = -1;
}
close(mf->files[i].fd);
mf->files[i].fd = -1;
}
+ if (mf->unlink_flag)
+ unlink(mf->files[i].path);
+ }
mf->open = 0;
return 0;
}
mf->open = 0;
return 0;
}
@@
-442,9
+457,10
@@
int mf_close(MFile mf)
/*
* Read one block from a metafile. Interface mirrors bfile.
*/
/*
* Read one block from a metafile. Interface mirrors bfile.
*/
-int mf_read(MFile mf, int no, int offset, int nbytes, void *buf)
+int mf_read(MFile mf, zint no, int offset, int nbytes, void *buf)
{
{
- int rd, toread;
+ zint rd;
+ int toread;
zebra_mutex_lock (&mf->mutex);
if ((rd = file_position(mf, no, offset)) < 0)
zebra_mutex_lock (&mf->mutex);
if ((rd = file_position(mf, no, offset)) < 0)
@@
-456,14
+472,14
@@
int mf_read(MFile mf, int no, int offset, int nbytes, void *buf)
}
else
{
}
else
{
- yaz_log (LOG_FATAL, "mf_read %s internal error", mf->name);
+ yaz_log (YLOG_FATAL, "mf_read %s internal error", mf->name);
exit(1);
}
}
toread = nbytes ? nbytes : mf->blocksize;
if ((rd = read(mf->files[mf->cur_file].fd, buf, toread)) < 0)
{
exit(1);
}
}
toread = nbytes ? nbytes : mf->blocksize;
if ((rd = read(mf->files[mf->cur_file].fd, buf, toread)) < 0)
{
- logf (LOG_FATAL|LOG_ERRNO, "mf_read: Read failed (%s)",
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "mf_read: Read failed (%s)",
mf->files[mf->cur_file].path);
exit(1);
}
mf->files[mf->cur_file].path);
exit(1);
}
@@
-477,9
+493,11
@@
int mf_read(MFile mf, int no, int offset, int nbytes, void *buf)
/*
* Write.
*/
/*
* Write.
*/
-int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
+int mf_write(MFile mf, zint no, int offset, int nbytes, const void *buf)
{
{
- int ps, nblocks, towrite;
+ zint ps;
+ zint nblocks;
+ int towrite;
mf_dir *dp;
char tmp[FILENAME_MAX+1];
unsigned char dummych = '\xff';
mf_dir *dp;
char tmp[FILENAME_MAX+1];
unsigned char dummych = '\xff';
@@
-487,36
+505,36
@@
int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
zebra_mutex_lock (&mf->mutex);
if ((ps = file_position(mf, no, offset)) < 0)
{
zebra_mutex_lock (&mf->mutex);
if ((ps = file_position(mf, no, offset)) < 0)
{
- yaz_log (LOG_FATAL, "mf_write %s internal error (1)", mf->name);
+ yaz_log (YLOG_FATAL, "mf_write %s internal error (1)", mf->name);
exit(1);
}
/* file needs to grow */
while (ps >= mf->files[mf->cur_file].blocks)
{
exit(1);
}
/* file needs to grow */
while (ps >= mf->files[mf->cur_file].blocks)
{
- off_t needed = (ps - mf->files[mf->cur_file].blocks + 1) *
+ mfile_off_t needed = (ps - mf->files[mf->cur_file].blocks + 1) *
mf->blocksize;
/* file overflow - allocate new file */
if (mf->files[mf->cur_file].dir->max_bytes >= 0 &&
needed > mf->files[mf->cur_file].dir->avail_bytes)
{
/* cap off file? */
mf->blocksize;
/* file overflow - allocate new file */
if (mf->files[mf->cur_file].dir->max_bytes >= 0 &&
needed > mf->files[mf->cur_file].dir->avail_bytes)
{
/* cap off file? */
- if ((nblocks = mf->files[mf->cur_file].dir->avail_bytes /
- mf->blocksize) > 0)
+ if ((nblocks = (int) (mf->files[mf->cur_file].dir->avail_bytes /
+ mf->blocksize)) > 0)
{
{
- logf (LOG_DEBUG, "Capping off file %s at pos %d",
+ yaz_log (YLOG_DEBUG, "Capping off file %s at pos " ZINT_FORMAT,
mf->files[mf->cur_file].path, nblocks);
if ((ps = file_position(mf,
(mf->cur_file ? mf->files[mf->cur_file-1].top : 0) +
mf->files[mf->cur_file].blocks + nblocks - 1, 0)) < 0)
{
mf->files[mf->cur_file].path, nblocks);
if ((ps = file_position(mf,
(mf->cur_file ? mf->files[mf->cur_file-1].top : 0) +
mf->files[mf->cur_file].blocks + nblocks - 1, 0)) < 0)
{
- yaz_log (LOG_FATAL, "mf_write %s internal error (2)",
+ yaz_log (YLOG_FATAL, "mf_write %s internal error (2)",
mf->name);
exit(1);
}
mf->name);
exit(1);
}
- logf (LOG_DEBUG, "ps = %d", ps);
+ yaz_log (YLOG_DEBUG, "ps = " ZINT_FORMAT, ps);
if (write(mf->files[mf->cur_file].fd, &dummych, 1) < 1)
{
if (write(mf->files[mf->cur_file].fd, &dummych, 1) < 1)
{
- logf (LOG_ERRNO|LOG_FATAL, "mf_write %s internal error (3)",
+ yaz_log (YLOG_ERRNO|YLOG_FATAL, "mf_write %s internal error (3)",
mf->name);
exit(1);
}
mf->name);
exit(1);
}
@@
-526,12
+544,12
@@
int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
mf->blocksize;
}
/* get other bit */
mf->blocksize;
}
/* get other bit */
- logf (LOG_DEBUG, "Creating new file.");
+ yaz_log (YLOG_DEBUG, "Creating new file.");
for (dp = mf->ma->dirs; dp && dp->max_bytes >= 0 &&
dp->avail_bytes < needed; dp = dp->next);
if (!dp)
{
for (dp = mf->ma->dirs; dp && dp->max_bytes >= 0 &&
dp->avail_bytes < needed; dp = dp->next);
if (!dp)
{
- logf (LOG_FATAL, "Cannot allocate more space for %s",
+ yaz_log (YLOG_FATAL, "Cannot allocate more space for %s",
mf->name);
exit(1);
}
mf->name);
exit(1);
}
@@
-542,17
+560,17
@@
int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
mf->files[mf->cur_file].dir = dp;
mf->files[mf->cur_file].number =
mf->files[mf->cur_file-1].number + 1;
mf->files[mf->cur_file].dir = dp;
mf->files[mf->cur_file].number =
mf->files[mf->cur_file-1].number + 1;
- mf->files[mf->cur_file].blocks =
- mf->files[mf->cur_file].bytes = 0;
+ mf->files[mf->cur_file].blocks = 0;
+ mf->files[mf->cur_file].bytes = 0;
mf->files[mf->cur_file].fd = -1;
mf->files[mf->cur_file].fd = -1;
- sprintf(tmp, "%s/%s-%d.mf", dp->name, mf->name,
+ sprintf(tmp, "%s/%s-" ZINT_FORMAT ".mf", dp->name, mf->name,
mf->files[mf->cur_file].number);
mf->files[mf->cur_file].path = xstrdup(tmp);
mf->no_files++;
/* open new file and position at beginning */
if ((ps = file_position(mf, no, offset)) < 0)
{
mf->files[mf->cur_file].number);
mf->files[mf->cur_file].path = xstrdup(tmp);
mf->no_files++;
/* open new file and position at beginning */
if ((ps = file_position(mf, no, offset)) < 0)
{
- yaz_log (LOG_FATAL, "mf_write %s internal error (4)",
+ yaz_log (YLOG_FATAL, "mf_write %s internal error (4)",
mf->name);
exit(1);
}
mf->name);
exit(1);
}
@@
-570,7
+588,7
@@
int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
towrite = nbytes ? nbytes : mf->blocksize;
if (write(mf->files[mf->cur_file].fd, buf, towrite) < towrite)
{
towrite = nbytes ? nbytes : mf->blocksize;
if (write(mf->files[mf->cur_file].fd, buf, towrite) < towrite)
{
- logf (LOG_FATAL|LOG_ERRNO, "Write failed for file %s part %d",
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "Write failed for file %s part %d",
mf->name, mf->cur_file);
exit(1);
}
mf->name, mf->cur_file);
exit(1);
}
@@
-583,10
+601,14
@@
int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
*/
int mf_unlink(MFile mf)
{
*/
int mf_unlink(MFile mf)
{
- int i;
-
- for (i = 0; i < mf->no_files; i++)
- unlink (mf->files[i].path);
+ if (mf->open)
+ mf->unlink_flag = 1;
+ else
+ {
+ int i;
+ for (i = 0; i<mf->no_files; i++)
+ unlink(mf->files[i].path);
+ }
return 0;
}
return 0;
}