-/* $Id: rstemp.c,v 1.53 2004-11-03 16:04:46 heikki Exp $
- Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003
- Index Data Aps
-
-This file is part of the Zebra server.
+/* This file is part of the Zebra server.
+ Copyright (C) 1994-2011 Index Data
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
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.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
*/
-#include <fcntl.h>
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
#include <assert.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
#ifdef WIN32
#include <io.h>
-#else
+#endif
+#if HAVE_UNISTD_H
#include <unistd.h>
#endif
-#include <string.h>
#include <sys/types.h>
-#include <stdio.h>
-#include <zebrautl.h>
+#include <idzebra/util.h>
#include <rset.h>
-static RSFD r_open (RSET ct, int flag);
-static void r_close (RSFD rfd);
-static void r_delete (RSET ct);
-static int r_read (RSFD rfd, void *buf, TERMID *term);
-static int r_write (RSFD rfd, const void *buf);
-static void r_pos (RSFD rfd, double *current, double *total);
-static void r_flush (RSFD rfd, int mk);
-static void r_reread (RSFD rfd);
-
+static RSFD r_open(RSET ct, int flag);
+static void r_close(RSFD rfd);
+static void r_delete(RSET ct);
+static int r_read(RSFD rfd, void *buf, TERMID *term);
+static int r_write(RSFD rfd, const void *buf);
+static void r_pos(RSFD rfd, double *current, double *total);
+static void r_flush(RSFD rfd, int mk);
+static void r_reread(RSFD rfd);
-static const struct rset_control control =
+static const struct rset_control control =
{
"temp",
r_delete,
rset_get_one_term,
r_open,
r_close,
- rset_default_forward,
- r_pos,
+ 0, /* no forward */
+ r_pos,
r_read,
r_write,
};
-const struct rset_control *rset_kind_temp = &control;
-
-struct rset_temp_info {
+struct rset_private {
int fd; /* file descriptor for temp file */
char *fname; /* name of temp file */
char *buf_mem; /* window buffer */
size_t pos_buf; /* position of first byte in window */
size_t pos_border; /* position of last byte+1 in window */
int dirty; /* window is dirty */
- zint hits; /* no of hits */
+ zint hits; /* no of hits */
char *temp_path;
};
-struct rset_temp_rfd {
+struct rfd_private {
void *buf;
size_t pos_cur; /* current position in set */
/* FIXME - term pos or what ?? */
zint cur; /* number of the current hit */
};
-RSET rstemp_create( NMEM nmem, const struct key_control *kcontrol,
- int scope,
- const char *temp_path,TERMID term)
+static int log_level = 0;
+static int log_level_initialized = 0;
+
+RSET rset_create_temp(NMEM nmem, struct rset_key_control *kcontrol,
+ int scope, const char *temp_path, TERMID term)
{
- RSET rnew=rset_create_base(&control, nmem, kcontrol, scope,term);
- struct rset_temp_info *info;
-
- info = (struct rset_temp_info *) nmem_malloc(rnew->nmem, sizeof(*info));
+ RSET rnew = rset_create_base(&control, nmem, kcontrol, scope, term,
+ 0, 0);
+ struct rset_private *info;
+ if (!log_level_initialized)
+ {
+ log_level = yaz_log_module_level("rstemp");
+ log_level_initialized = 1;
+ }
+ info = (struct rset_private *) nmem_malloc(rnew->nmem, sizeof(*info));
info->fd = -1;
info->fname = NULL;
info->buf_size = 4096;
- info->buf_mem = (char *) nmem_malloc (rnew->nmem, info->buf_size);
+ info->buf_mem = (char *) nmem_malloc(rnew->nmem, info->buf_size);
info->pos_end = 0;
info->pos_buf = 0;
info->dirty = 0;
if (!temp_path)
info->temp_path = NULL;
else
- info->temp_path = nmem_strdup(rnew->nmem,temp_path);
- rnew->priv=info;
+ info->temp_path = nmem_strdup(rnew->nmem, temp_path);
+ rnew->priv = info;
return rnew;
} /* rstemp_create */
-static void r_delete (RSET ct)
+static void r_delete(RSET ct)
{
- struct rset_temp_info *info = (struct rset_temp_info*) ct->priv;
+ struct rset_private *info = (struct rset_private*) ct->priv;
- logf (LOG_DEBUG, "r_delete: set size %ld", (long) info->pos_end);
+ yaz_log(log_level, "r_delete: set size %ld", (long) info->pos_end);
if (info->fname)
{
- logf (LOG_DEBUG, "r_delete: unlink %s", info->fname);
- unlink (info->fname);
+ yaz_log(log_level, "r_delete: unlink %s", info->fname);
+ unlink(info->fname);
}
}
-
-static RSFD r_open (RSET ct, int flag)
+static RSFD r_open(RSET ct, int flag)
{
- struct rset_temp_info *info = (struct rset_temp_info *) ct->priv;
+ struct rset_private *info = (struct rset_private *) ct->priv;
RSFD rfd;
- struct rset_temp_rfd *prfd;
+ struct rfd_private *prfd;
if (info->fd == -1 && info->fname)
{
if (flag & RSETF_WRITE)
- info->fd = open (info->fname, O_BINARY|O_RDWR|O_CREAT, 0666);
+ info->fd = open(info->fname, O_BINARY|O_RDWR|O_CREAT, 0666);
else
- info->fd = open (info->fname, O_BINARY|O_RDONLY);
+ info->fd = open(info->fname, O_BINARY|O_RDONLY);
if (info->fd == -1)
{
- logf (LOG_FATAL|LOG_ERRNO, "open %s", info->fname);
- exit (1);
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "rstemp: open failed %s", info->fname);
+ zebra_exit("r_open");
}
}
rfd = rfd_create_base(ct);
- if (!rfd->priv){
- prfd= (struct rset_temp_rfd *) nmem_malloc(ct->nmem, sizeof(*prfd));
- rfd->priv=(void *)prfd;
- prfd->buf = nmem_malloc (ct->nmem,ct->keycontrol->key_size);
- } else
+ if (!rfd->priv)
+ {
+ prfd = (struct rfd_private *) nmem_malloc(ct->nmem, sizeof(*prfd));
+ rfd->priv = (void *)prfd;
+ prfd->buf = nmem_malloc(ct->nmem,ct->keycontrol->key_size);
+ }
+ else
prfd= rfd->priv;
- r_flush (rfd, 0);
+ r_flush(rfd, 0);
prfd->pos_cur = 0;
info->pos_buf = 0;
- r_reread (rfd);
- prfd->cur=0;
+ r_reread(rfd);
+ prfd->cur = 0;
return rfd;
}
/* r_flush:
flush current window to file if file is assocated with set
*/
-static void r_flush (RSFD rfd, int mk)
+static void r_flush(RSFD rfd, int mk)
{
- /* struct rset_temp_info *info = ((struct rset_temp_rfd*) rfd)->info; */
- struct rset_temp_info *info = rfd->rset->priv;
+ struct rset_private *info = rfd->rset->priv;
if (!info->fname && mk)
{
#if HAVE_MKSTEMP
char template[1024];
- if (info->temp_path)
- sprintf (template, "%s/zrsXXXXXX", info->temp_path);
- else
- sprintf (template, "zrsXXXXXX");
+ *template = '\0';
- info->fd = mkstemp (template);
+ if (info->temp_path)
+ sprintf(template, "%s/", info->temp_path);
+ strcat(template, "zrs_");
+#if HAVE_UNISTD_H
+ sprintf(template + strlen(template), "%ld_", (long) getpid());
+#endif
+ strcat(template, "XXXXXX");
+ info->fd = mkstemp(template);
if (info->fd == -1)
{
- logf (LOG_FATAL|LOG_ERRNO, "mkstemp %s", template);
- exit (1);
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "rstemp: mkstemp %s", template);
+ zebra_exit("r_flush");
}
- info->fname= nmem_malloc(rfd->rset->nmem,strlen(template)+1);
- strcpy (info->fname, template);
+ info->fname = nmem_strdup(rfd->rset->nmem, template);
#else
- char *s = (char*) tempnam (info->temp_path, "zrs");
- info->fname= nmem_malloc(rfd->rset->nmem,strlen(template)+1);
- strcpy (info->fname, s);
+ char *s = (char*) tempnam(info->temp_path, "zrs");
+ info->fname= nmem_strdup(rfd->rset->nmem, s);
- logf (LOG_DEBUG, "creating tempfile %s", info->fname);
- info->fd = open (info->fname, O_BINARY|O_RDWR|O_CREAT, 0666);
+ yaz_log(log_level, "creating tempfile %s", info->fname);
+ info->fd = open(info->fname, O_BINARY|O_RDWR|O_CREAT, 0666);
if (info->fd == -1)
{
- logf (LOG_FATAL|LOG_ERRNO, "open %s", info->fname);
- exit (1);
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "rstemp: open %s", info->fname);
+ zebra_exit("r_flush");
}
#endif
}
{
size_t count;
int r;
-
- if (lseek (info->fd, info->pos_buf, SEEK_SET) == -1)
+
+ if (lseek(info->fd, info->pos_buf, SEEK_SET) == -1)
{
- logf (LOG_FATAL|LOG_ERRNO, "lseek %s", info->fname);
- exit (1);
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "rstemp: lseek (1) %s", info->fname);
+ zebra_exit("r_flusxh");
}
count = info->buf_size;
if (count > info->pos_end - info->pos_buf)
count = info->pos_end - info->pos_buf;
- if ((r = write (info->fd, info->buf_mem, count)) < (int) count)
+ if ((r = write(info->fd, info->buf_mem, count)) < (int) count)
{
if (r == -1)
- logf (LOG_FATAL|LOG_ERRNO, "read %s", info->fname);
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "rstemp: write %s", info->fname);
else
- logf (LOG_FATAL, "write of %ld but got %ld",
+ yaz_log(YLOG_FATAL, "rstemp: write of %ld but got %ld",
(long) count, (long) r);
- exit (1);
+ zebra_exit("r_flush");
}
info->dirty = 0;
}
}
-static void r_close (RSFD rfd)
+static void r_close(RSFD rfd)
{
- /*struct rset_temp_rfd *mrfd = (struct rset_temp_rfd*) rfd->priv; */
- struct rset_temp_info *info = (struct rset_temp_info *)rfd->rset->priv;
- r_flush (rfd, 0);
- if (info->fname && info->fd != -1)
+ struct rset_private *info = (struct rset_private *)rfd->rset->priv;
+ if (rfd_is_last(rfd))
{
- close (info->fd);
- info->fd = -1;
- } /* FIXME - Is this right, don't we risk closing the file too early ?*/
- rfd_delete_base(rfd);
+ r_flush(rfd, 0);
+ if (info->fname && info->fd != -1)
+ {
+ close(info->fd);
+ info->fd = -1;
+ }
+ }
}
read from file to window if file is assocated with set -
indicated by fname
*/
-static void r_reread (RSFD rfd)
+static void r_reread(RSFD rfd)
{
- struct rset_temp_rfd *mrfd = (struct rset_temp_rfd*) rfd->priv;
- struct rset_temp_info *info = (struct rset_temp_info *)rfd->rset->priv;
+ struct rfd_private *mrfd = (struct rfd_private*) rfd->priv;
+ struct rset_private *info = (struct rset_private *)rfd->rset->priv;
if (info->fname)
{
count = info->pos_border - info->pos_buf;
if (count > 0)
{
- if (lseek (info->fd, info->pos_buf, SEEK_SET) == -1)
+ if (lseek(info->fd, info->pos_buf, SEEK_SET) == -1)
{
- logf (LOG_FATAL|LOG_ERRNO, "lseek %s", info->fname);
- exit (1);
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "rstemp: lseek (2) %s fd=%d", info->fname, info->fd);
+ zebra_exit("r_reread");
}
- if ((r = read (info->fd, info->buf_mem, count)) < (int) count)
+ if ((r = read(info->fd, info->buf_mem, count)) < (int) count)
{
if (r == -1)
- logf (LOG_FATAL|LOG_ERRNO, "read %s", info->fname);
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "rstemp: read %s", info->fname);
else
- logf (LOG_FATAL, "read of %ld but got %ld",
+ yaz_log(YLOG_FATAL, "read of %ld but got %ld",
(long) count, (long) r);
- exit (1);
+ zebra_exit("r_reread");
}
}
}
info->pos_border = info->pos_end;
}
-
-static int r_read (RSFD rfd, void *buf, TERMID *term)
+static int r_read(RSFD rfd, void *buf, TERMID *term)
{
- struct rset_temp_rfd *mrfd = (struct rset_temp_rfd*) rfd->priv;
- struct rset_temp_info *info = (struct rset_temp_info *)rfd->rset->priv;
+ struct rfd_private *mrfd = (struct rfd_private*) rfd->priv;
+ struct rset_private *info = (struct rset_private *)rfd->rset->priv;
size_t nc = mrfd->pos_cur + rfd->rset->keycontrol->key_size;
{
if (nc > info->pos_end)
return 0;
- r_flush (rfd, 0);
+ r_flush(rfd, 0);
info->pos_buf = mrfd->pos_cur;
- r_reread (rfd);
+ r_reread(rfd);
}
- memcpy (buf, info->buf_mem + (mrfd->pos_cur - info->pos_buf),
+ memcpy(buf, info->buf_mem + (mrfd->pos_cur - info->pos_buf),
rfd->rset->keycontrol->key_size);
if (term)
- *term=rfd->rset->term;
+ *term = rfd->rset->term;
/* FIXME - should we store and return terms ?? */
mrfd->pos_cur = nc;
mrfd->cur++;
return 1;
}
-static int r_write (RSFD rfd, const void *buf)
+static int r_write(RSFD rfd, const void *buf)
{
- struct rset_temp_rfd *mrfd = (struct rset_temp_rfd*) rfd->priv;
- struct rset_temp_info *info = (struct rset_temp_info *)rfd->rset->priv;
+ struct rfd_private *mrfd = (struct rfd_private*) rfd->priv;
+ struct rset_private *info = (struct rset_private *)rfd->rset->priv;
size_t nc = mrfd->pos_cur + rfd->rset->keycontrol->key_size;
if (nc > info->pos_buf + info->buf_size)
{
- r_flush (rfd, 1);
+ r_flush(rfd, 1);
info->pos_buf = mrfd->pos_cur;
if (info->pos_buf < info->pos_end)
- r_reread (rfd);
+ r_reread(rfd);
}
info->dirty = 1;
- memcpy (info->buf_mem + (mrfd->pos_cur - info->pos_buf), buf,
+ memcpy(info->buf_mem + (mrfd->pos_cur - info->pos_buf), buf,
rfd->rset->keycontrol->key_size);
mrfd->pos_cur = nc;
if (nc > info->pos_end)
return 1;
}
-static void r_pos (RSFD rfd, double *current, double *total)
+static void r_pos(RSFD rfd, double *current, double *total)
{
- /* struct rset_temp_rfd *mrfd = (struct rset_temp_rfd*) rfd; */
- struct rset_temp_rfd *mrfd = (struct rset_temp_rfd*) rfd->priv;
- struct rset_temp_info *info = (struct rset_temp_info *)rfd->rset->priv;
-
- *current=(double) mrfd->cur;
- *total=(double) info->hits;
+ struct rfd_private *mrfd = (struct rfd_private*) rfd->priv;
+ struct rset_private *info = (struct rset_private *)rfd->rset->priv;
+
+ *current = (double) mrfd->cur;
+ *total = (double) info->hits;
}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / idzebra-moved-to-github.git / blobdiff