-/* $Id: cfile.c,v 1.28 2004-08-04 08:35:22 adam Exp $
- Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
- Index Data Aps
+/* $Id: cfile.c,v 1.35 2005-04-15 10:47:47 adam Exp $
+ Copyright (C) 1995-2005
+ Index Data ApS
This file is part of the Zebra server.
02111-1307, USA.
*/
-
-
#include <assert.h>
#include <stdlib.h>
#include <string.h>
-#include <zebrautl.h>
-#include <mfile.h>
+#include <idzebra/util.h>
+#include <yaz/yaz-util.h>
+#include "mfile.h"
#include "cfile.h"
static int write_head (CFile cf)
{
- int left = cf->head.hash_size * sizeof(int);
+ int left = cf->head.hash_size * sizeof(zint);
int bno = 1;
const char *tab = (char*) cf->array;
static int read_head (CFile cf)
{
- int left = cf->head.hash_size * sizeof(int);
+ int left = cf->head.hash_size * sizeof(zint);
int bno = 1;
char *tab = (char*) cf->array;
int hash_bytes;
cf->rmf = mf;
- logf (LOG_DEBUG, "cf: open %s %s", cf->rmf->name, wflag ? "rdwr" : "rd");
+ yaz_log (YLOG_DEBUG, "cf: open %s %s", cf->rmf->name, wflag ? "rdwr" : "rd");
sprintf (path, "%s-b", fname);
if (!(cf->block_mf = mf_open (area, path, block_size, wflag)))
{
- logf (LOG_FATAL|LOG_ERRNO, "Failed to open %s", path);
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "Failed to open %s", path);
exit (1);
}
sprintf (path, "%s-i", fname);
if (!(cf->hash_mf = mf_open (area, path, HASH_BSIZE, wflag)))
{
- logf (LOG_FATAL|LOG_ERRNO, "Failed to open %s", path);
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "Failed to open %s", path);
exit (1);
}
assert (firstp);
cf->head.state = 1;
cf->head.block_size = block_size;
cf->head.hash_size = 199;
- hash_bytes = cf->head.hash_size * sizeof(int);
+ hash_bytes = cf->head.hash_size * sizeof(zint);
cf->head.flat_bucket = cf->head.next_bucket = cf->head.first_bucket =
(hash_bytes+sizeof(cf->head))/HASH_BSIZE + 2;
cf->head.next_block = 1;
if (wflag)
mf_write (cf->hash_mf, 0, 0, sizeof(cf->head), &cf->head);
- cf->array = (int *) xmalloc (hash_bytes);
+ cf->array = (zint *) xmalloc (hash_bytes);
for (i = 0; i<cf->head.hash_size; i++)
cf->array[i] = 0;
if (wflag)
*firstp = 0;
assert (cf->head.block_size == block_size);
assert (cf->head.hash_size > 2);
- hash_bytes = cf->head.hash_size * sizeof(int);
+ hash_bytes = cf->head.hash_size * sizeof(zint);
assert (cf->head.next_bucket > 0);
assert (cf->head.next_block > 0);
if (cf->head.state == 1)
- cf->array = (int *) xmalloc (hash_bytes);
+ cf->array = (zint *) xmalloc (hash_bytes);
else
cf->array = NULL;
read_head (cf);
return cf;
}
-static int cf_hash (CFile cf, int no)
+static int cf_hash (CFile cf, zint no)
{
- return (no>>3) % cf->head.hash_size;
+ return (int) (((no >> 3) % cf->head.hash_size));
}
static void release_bucket (CFile cf, struct CFile_hash_bucket *p)
}
}
-static struct CFile_hash_bucket *alloc_bucket (CFile cf, int block_no, int hno)
+static struct CFile_hash_bucket *alloc_bucket (CFile cf, zint block_no, int hno)
{
struct CFile_hash_bucket *p, **pp;
return p;
}
-static struct CFile_hash_bucket *get_bucket (CFile cf, int block_no, int hno)
+static struct CFile_hash_bucket *get_bucket (CFile cf, zint block_no, int hno)
{
struct CFile_hash_bucket *p;
p = alloc_bucket (cf, block_no, hno);
if (!mf_read (cf->hash_mf, block_no, 0, 0, &p->ph))
{
- logf (LOG_FATAL|LOG_ERRNO, "read get_bucket");
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "read get_bucket");
exit (1);
}
assert (p->ph.this_bucket == block_no);
return p;
}
-static struct CFile_hash_bucket *new_bucket (CFile cf, int *block_nop, int hno)
+static struct CFile_hash_bucket *new_bucket (CFile cf, zint *block_nop, int hno)
{
struct CFile_hash_bucket *p;
- int i, block_no;
+ int i;
+ zint block_no;
block_no = *block_nop = cf->head.next_bucket++;
p = alloc_bucket (cf, block_no, hno);
return p;
}
-static int cf_lookup_flat (CFile cf, int no)
+static zint cf_lookup_flat (CFile cf, zint no)
{
- int hno = (no*sizeof(int))/HASH_BSIZE;
- int off = (no*sizeof(int)) - hno*HASH_BSIZE;
- int vno = 0;
+ zint hno = (no*sizeof(zint))/HASH_BSIZE;
+ int off = (int) ((no*sizeof(zint)) - hno*HASH_BSIZE);
+ zint vno = 0;
- mf_read (cf->hash_mf, hno+cf->head.next_bucket, off, sizeof(int), &vno);
+ mf_read (cf->hash_mf, hno+cf->head.next_bucket, off, sizeof(zint), &vno);
return vno;
}
-static int cf_lookup_hash (CFile cf, int no)
+static zint cf_lookup_hash (CFile cf, zint no)
{
int hno = cf_hash (cf, no);
struct CFile_hash_bucket *hb;
- int block_no, i;
+ zint block_no;
+ int i;
for (hb = cf->parray[hno]; hb; hb = hb->h_next)
{
{
if (hb->ph.this_bucket == block_no)
{
- logf (LOG_FATAL, "Found hash bucket on other chain (1)");
+ yaz_log (YLOG_FATAL, "Found hash bucket on other chain (1)");
abort ();
}
for (i = 0; i<HASH_BUCKET && hb->ph.vno[i]; i++)
if (hb->ph.no[i] == no)
{
- logf (LOG_FATAL, "Found hash bucket on other chain (2)");
+ yaz_log (YLOG_FATAL, "Found hash bucket on other chain (2)");
abort ();
}
}
return 0;
}
-static void cf_write_flat (CFile cf, int no, int vno)
+static void cf_write_flat (CFile cf, zint no, zint vno)
{
- int hno = (no*sizeof(int))/HASH_BSIZE;
- int off = (no*sizeof(int)) - hno*HASH_BSIZE;
+ zint hno = (no*sizeof(zint))/HASH_BSIZE;
+ int off = (int) ((no*sizeof(zint)) - hno*HASH_BSIZE);
hno += cf->head.next_bucket;
if (hno >= cf->head.flat_bucket)
cf->head.flat_bucket = hno+1;
cf->dirty = 1;
- mf_write (cf->hash_mf, hno, off, sizeof(int), &vno);
+ mf_write (cf->hash_mf, hno, off, sizeof(zint), &vno);
}
static void cf_moveto_flat (CFile cf)
{
struct CFile_hash_bucket *p;
- int i, j;
+ int j;
+ zint i;
- logf (LOG_DEBUG, "cf: Moving to flat shadow: %s", cf->rmf->name);
- logf (LOG_DEBUG, "cf: hits=%d miss=%d bucket_in_memory=" ZINT_FORMAT " total="
+ yaz_log (YLOG_DEBUG, "cf: Moving to flat shadow: %s", cf->rmf->name);
+ yaz_log (YLOG_DEBUG, "cf: hits=%d miss=%d bucket_in_memory=" ZINT_FORMAT " total="
ZINT_FORMAT,
cf->no_hits, cf->no_miss, cf->bucket_in_memory,
cf->head.next_bucket - cf->head.first_bucket);
{
if (!mf_read (cf->hash_mf, i, 0, 0, &p->ph))
{
- logf (LOG_FATAL|LOG_ERRNO, "read bucket moveto flat");
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "read bucket moveto flat");
exit (1);
}
for (j = 0; j < HASH_BUCKET && p->ph.vno[j]; j++)
cf->dirty = 1;
}
-static int cf_lookup (CFile cf, int no)
+static zint cf_lookup (CFile cf, zint no)
{
if (cf->head.state > 1)
return cf_lookup_flat (cf, no);
return cf_lookup_hash (cf, no);
}
-static int cf_new_flat (CFile cf, int no)
+static zint cf_new_flat (CFile cf, zint no)
{
- int vno = (cf->head.next_block)++;
+ zint vno = (cf->head.next_block)++;
cf_write_flat (cf, no, vno);
return vno;
}
-static int cf_new_hash (CFile cf, int no)
+static zint cf_new_hash (CFile cf, zint no)
{
int hno = cf_hash (cf, no);
struct CFile_hash_bucket *hbprev = NULL, *hb = cf->parray[hno];
- int *bucketpp = &cf->array[hno];
- int i, vno = (cf->head.next_block)++;
+ zint *bucketpp = &cf->array[hno];
+ int i;
+ zint vno = (cf->head.next_block)++;
for (hb = cf->parray[hno]; hb; hb = hb->h_next)
if (!hb->ph.vno[HASH_BUCKET-1])
{
if (hb->ph.this_bucket == *bucketpp)
{
- logf (LOG_FATAL, "Found hash bucket on other chain");
+ yaz_log (YLOG_FATAL, "Found hash bucket on other chain");
abort ();
}
}
return vno;
}
-int cf_new (CFile cf, int no)
+zint cf_new (CFile cf, zint no)
{
if (cf->head.state > 1)
return cf_new_flat (cf, no);
int cf_read (CFile cf, zint no, int offset, int nbytes, void *buf)
{
- int block;
+ zint block;
assert (cf);
zebra_mutex_lock (&cf->mutex);
zebra_mutex_unlock (&cf->mutex);
if (!mf_read (cf->block_mf, block, offset, nbytes, buf))
{
- logf (LOG_FATAL|LOG_ERRNO, "cf_read no=" ZINT_FORMAT ", block=%d", no, block);
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "cf_read no=" ZINT_FORMAT " block=" ZINT_FORMAT, no, block);
exit (1);
}
return 1;
int cf_write (CFile cf, zint no, int offset, int nbytes, const void *buf)
{
- int block;
+ zint block;
assert (cf);
zebra_mutex_lock (&cf->mutex);
zebra_mutex_unlock (&cf->mutex);
if (mf_write (cf->block_mf, block, offset, nbytes, buf))
{
- logf (LOG_FATAL|LOG_ERRNO, "cf_write no=" ZINT_FORMAT ", block=%d", no, block);
+ yaz_log (YLOG_FATAL|YLOG_ERRNO, "cf_write no=" ZINT_FORMAT
+ " block=" ZINT_FORMAT, no, block);
exit (1);
}
return 0;
int cf_close (CFile cf)
{
- logf (LOG_DEBUG, "cf: close hits=%d miss=%d bucket_in_memory=" ZINT_FORMAT
+ yaz_log (YLOG_DEBUG, "cf: close hits=%d miss=%d bucket_in_memory=" ZINT_FORMAT
" total=" ZINT_FORMAT,
cf->no_hits, cf->no_miss, cf->bucket_in_memory,
cf->head.next_bucket - cf->head.first_bucket);