-/*
- * Copyright (C) 1994-2002, Index Data
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Id: mfile.c,v 1.48 2002-07-25 13:45:49 adam Exp $
- */
+/* $Id: mfile.c,v 1.65 2006-05-10 08:13:17 adam Exp $
+ Copyright (C) 1995-2005
+ Index Data ApS
+
+This file is part of the Zebra server.
+
+Zebra is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Zebra; see the file LICENSE.zebra. If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+*/
+
+
/*
#include <fcntl.h>
#ifdef WIN32
#include <io.h>
-#else
+#endif
+#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <direntz.h>
#include <errno.h>
#include <zebra-lock.h>
-#include <zebrautl.h>
-#include <mfile.h>
+#include <idzebra/util.h>
+#include <yaz/yaz-util.h>
+#include "mfile.h"
static int scan_areadef(MFile_area ma, const char *ad, const char *base)
{
{
const char *ad0 = ad;
int i = 0, fact = 1, multi;
- off_t size = 0;
+ mfile_off_t size = 0;
while (*ad == ' ' || *ad == '\t')
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)
{
- logf (LOG_WARN, "Empty path: %s", ad0);
+ yaz_log (YLOG_WARN, "Empty path: %s", ad0);
return -1;
}
while (*ad == ' ' || *ad == '\t')
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;
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:
- 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 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 (!mf->wr && errno == ENOENT && off == 0)
return -2;
- logf (LOG_WARN|LOG_ERRNO, "Failed to open %s", mf->files[c].path);
- return -1;
+ yaz_log (YLOG_WARN|YLOG_ERRNO, "Failed to open %s", mf->files[c].path);
+ 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)
{
- 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;
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;
}
/*
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)
{
- 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 */
{
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;
}
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];
/* 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;
}
- 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;
}
}
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);
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)
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)
{
- logf (LOG_FATAL, "Insufficient space for new mfile.");
+ yaz_log (YLOG_FATAL, "Insufficient space for new mfile.");
return 0;
}
mnew->files[0].dir = dp;
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);
}
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
{
int i;
- logf (LOG_DEBUG, "mf_close(%s)", mf->name);
+ yaz_log (YLOG_DEBUG, "mf_close(%s) unlink=%d", mf->name, mf->unlink_flag);
assert(mf->open);
for (i = 0; i < mf->no_files; i++)
+ {
if (mf->files[i].fd >= 0)
{
#ifndef WIN32
close(mf->files[i].fd);
mf->files[i].fd = -1;
}
+ if (mf->unlink_flag)
+ unlink(mf->files[i].path);
+ }
mf->open = 0;
return 0;
}
/*
* 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)
}
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)
{
- 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);
}
/*
* 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';
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)
{
- 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? */
- 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)
{
- yaz_log (LOG_FATAL, "mf_write %s internal error (2)",
+ yaz_log (YLOG_FATAL, "mf_write %s internal error (2)",
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)
{
- 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->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)
{
- logf (LOG_FATAL, "Cannot allocate more space for %s",
+ yaz_log (YLOG_FATAL, "Cannot allocate more space for %s",
mf->name);
exit(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;
- 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)
{
- yaz_log (LOG_FATAL, "mf_write %s internal error (4)",
+ yaz_log (YLOG_FATAL, "mf_write %s internal error (4)",
mf->name);
exit(1);
}
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);
}
*/
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;
}
-/*
- * Unlink the file by name, rather than MFile-handle. File should be closed.
- */
-int mf_unlink_name(MFile_area ma, const char *name)
+int mf_area_directory_stat(MFile_area ma, int no, const char **directory,
+ double *used_bytes, double *max_bytes)
{
- abort();
- return 0;
+ int i;
+ mf_dir *d = ma->dirs;
+ for (i = 0; d && i<no; i++, d = d->next)
+ ;
+ if (!d)
+ return 0;
+ if (directory)
+ *directory = d->name;
+ if (max_bytes)
+ *max_bytes = d->max_bytes;
+ if (used_bytes)
+ *used_bytes = d->max_bytes - d->avail_bytes;
+ return 1;
}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / idzebra-moved-to-github.git / blobdiff