/*
- * Copyright (C) 1995-1996, Index Data I/S
+ * Copyright (C) 1995-1997, Index Data I/S
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: zserver.c,v $
- * Revision 1.41 1996-10-29 14:09:56 adam
+ * Revision 1.49 1997-09-25 14:57:23 adam
+ * Windows NT port.
+ *
+ * Revision 1.48 1997/09/17 12:19:19 adam
+ * Zebra version corresponds to YAZ version 1.4.
+ * Changed Zebra server so that it doesn't depend on global common_resource.
+ *
+ * Revision 1.47 1997/09/04 13:58:36 adam
+ * New retrieve/extract method tellf (added).
+ * Added O_BINARY for open calls.
+ *
+ * Revision 1.46 1997/07/28 08:30:47 adam
+ * Server returns diagnostic 14 when record doesn't exist.
+ *
+ * Revision 1.45 1996/12/23 15:30:45 adam
+ * Work on truncation.
+ * Bug fix: result sets weren't deleted after server shut down.
+ *
+ * Revision 1.44 1996/12/11 12:08:01 adam
+ * Added better compression.
+ *
+ * Revision 1.43 1996/11/15 15:03:58 adam
+ * Logging of execution speed by using the times(2) call.
+ *
+ * Revision 1.42 1996/11/08 11:10:36 adam
+ * Buffers used during file match got bigger.
+ * Compressed ISAM support everywhere.
+ * Bug fixes regarding masking characters in queries.
+ * Redesigned Regexp-2 queries.
+ *
+ * Revision 1.41 1996/10/29 14:09:56 adam
* Use of cisam system - enabled if setting isamc is 1.
*
* Revision 1.40 1996/06/04 10:19:02 adam
*/
#include <stdio.h>
#include <assert.h>
+#ifdef WINDOWS
+#include <io.h>
+#include <process.h>
+#else
#include <unistd.h>
+#endif
#include <fcntl.h>
-#include <common.h>
#include <data1.h>
#include <recctrl.h>
#include <dmalloc.h>
+
+#ifdef __linux__
+#define USE_TIMES 1
+#endif
+
+#ifndef USE_TIMES
+#define USE_TIMES 0
+#endif
+
+#if USE_TIMES
+#include <sys/times.h>
+#endif
#include "zserver.h"
-ZServerInfo server_info;
+
+#if USE_TIMES
+static struct tms tms1;
+static struct tms tms2;
+#endif
static int register_lock (ZServerInfo *zi)
{
time_t lastChange;
- int state = zebraServerLockGetState(&lastChange);
+ int state = zebraServerLockGetState(zi->res, &lastChange);
switch (state)
{
default:
state = 0;
}
- zebraServerLock (state);
+ zebraServerLock (zi->res, state);
+#if USE_TIMES
+ times (&tms1);
+#endif
if (zi->registerState == state)
{
if (zi->registerChange >= lastChange)
isc_close (zi->isamc);
rec_close (&zi->records);
}
- bf_cache (state);
+ bf_cache (zi->bfs, state ? res_get (zi->res, "shadow") : NULL);
zi->registerState = state;
- zi->records = rec_open (0);
- if (!(zi->dict = dict_open (FNAME_DICT, 40, 0)))
+ zi->records = rec_open (zi->bfs, 0);
+ if (!(zi->dict = dict_open (zi->bfs, FNAME_DICT, 40, 0)))
return -1;
zi->isam = NULL;
zi->isamc = NULL;
- if (res_get_match (common_resource, "isam", "c", NULL))
+ if (res_get_match (zi->res, "isam", "c", NULL))
{
- if (!(zi->isamc = isc_open (FNAME_ISAMC, 0, key_isamc_m())))
+ if (!(zi->isamc = isc_open (zi->bfs, FNAME_ISAMC,
+ 0, key_isamc_m(zi->res))))
return -1;
}
else
{
- if (!(zi->isam = is_open (FNAME_ISAM, key_compare, 0,
- sizeof (struct it_key))))
+ if (!(zi->isam = is_open (zi->bfs, FNAME_ISAM, key_compare, 0,
+ sizeof (struct it_key), zi->res)))
return -1;
}
zi->zti = zebTargetInfo_open (zi->records, 0);
- init_charmap ();
+ init_charmap (zi->res);
return 0;
}
{
static int waitSec = -1;
+#if USE_TIMES
+ times (&tms2);
+ logf (LOG_LOG, "user/system: %ld/%ld",
+ (long) (tms2.tms_utime - tms1.tms_utime),
+ (long) (tms2.tms_stime - tms1.tms_stime));
+#endif
if (waitSec == -1)
{
- char *s = res_get (common_resource, "debugRequestWait");
+ char *s = res_get (zi->res, "debugRequestWait");
if (s)
waitSec = atoi (s);
else
waitSec = 0;
}
+#ifdef WINDOWS
+#else
if (waitSec > 0)
sleep (waitSec);
+#endif
if (zi->registerState != -1)
zebraServerUnlock (zi->registerState);
}
bend_initresult *bend_init (bend_initrequest *q)
{
- static bend_initresult r;
- static char *name = "zserver";
+ bend_initresult *r = odr_malloc (q->stream, sizeof(*r));
+ ZServerInfo *zi = xmalloc (sizeof(*zi));
+ struct statserv_options_block *sob;
- r.errcode = 0;
- r.errstring = 0;
- r.handle = name;
+ r->errcode = 0;
+ r->errstring = 0;
+ r->handle = zi;
logf (LOG_DEBUG, "bend_init");
- if (!common_resource)
+ sob = statserv_getcontrol ();
+ logf (LOG_LOG, "Reading resources from %s", sob->configname);
+ if (!(zi->res = res_open (sob->configname)))
{
- struct statserv_options_block *sob;
-
- sob = statserv_getcontrol ();
- logf (LOG_LOG, "Reading resources from %s", sob->configname);
- if (!(common_resource = res_open (sob->configname)))
- {
- logf (LOG_FATAL, "Cannot open resource `%s'", sob->configname);
- exit (1);
- }
- bf_lockDir (res_get (common_resource, "lockDir"));
- data1_set_tabpath (res_get(common_resource, "profilePath"));
+ logf (LOG_FATAL, "Cannot open resource `%s'", sob->configname);
+ exit (1);
}
- server_info.sets = NULL;
- server_info.registerState = -1; /* trigger open of registers! */
- server_info.registerChange = 0;
-
- server_info.records = NULL;
- server_info.odr = odr_createmem (ODR_ENCODE);
- return &r;
+ zi->dh = data1_create ();
+ zi->bfs = bfs_create (res_get (zi->res, "register"));
+ bf_lockDir (zi->bfs, res_get (zi->res, "lockDir"));
+ data1_set_tabpath (zi->dh, res_get(zi->res, "profilePath"));
+ zi->sets = NULL;
+ zi->registerState = -1; /* trigger open of registers! */
+ zi->registerChange = 0;
+
+ zi->records = NULL;
+ zi->odr = odr_createmem (ODR_ENCODE);
+ zi->registered_sets = NULL;
+ return r;
}
bend_searchresult *bend_search (void *handle, bend_searchrequest *q, int *fd)
{
- static bend_searchresult r;
+ ZServerInfo *zi = handle;
+ bend_searchresult *r = odr_malloc (q->stream, sizeof(*r));
- r.errcode = 0;
- r.errstring = 0;
- r.hits = 0;
+ r->errcode = 0;
+ r->errstring = 0;
+ r->hits = 0;
- register_lock (&server_info);
- odr_reset (server_info.odr);
- server_info.errCode = 0;
- server_info.errString = NULL;
+ register_lock (zi);
+ odr_reset (zi->odr);
+ zi->errCode = 0;
+ zi->errString = NULL;
logf (LOG_LOG, "ResultSet '%s'", q->setname);
switch (q->query->which)
{
case Z_Query_type_1: case Z_Query_type_101:
- r.errcode = rpn_search (&server_info, q->query->u.type_1,
+ r->errcode = rpn_search (zi, q->query->u.type_1,
q->num_bases, q->basenames, q->setname,
- &r.hits);
- r.errstring = server_info.errString;
+ &r->hits);
+ r->errstring = zi->errString;
break;
default:
- r.errcode = 107;
+ r->errcode = 107;
}
- register_unlock (&server_info);
- return &r;
+ register_unlock (zi);
+ return r;
}
-static int record_offset;
+struct fetch_control {
+ int record_offset;
+ int record_int_pos;
+ char *record_int_buf;
+ int record_int_len;
+ int fd;
+};
static int record_ext_read (void *fh, char *buf, size_t count)
{
- return read (*((int*) fh), buf, count);
+ struct fetch_control *fc = fh;
+ return read (fc->fd, buf, count);
}
static off_t record_ext_seek (void *fh, off_t offset)
{
- return lseek (*((int*) fh), offset + record_offset, SEEK_SET);
+ struct fetch_control *fc = fh;
+ return lseek (fc->fd, offset + fc->record_offset, SEEK_SET);
}
-static int record_int_pos;
-static char *record_int_buf;
-static int record_int_len;
+static off_t record_ext_tell (void *fh)
+{
+ struct fetch_control *fc = fh;
+ return lseek (fc->fd, 0, SEEK_CUR) - fc->record_offset;
+}
static off_t record_int_seek (void *fh, off_t offset)
{
- return (off_t) (record_int_pos = offset);
+ struct fetch_control *fc = fh;
+ return (off_t) (fc->record_int_pos = offset);
+}
+
+static off_t record_int_tell (void *fh)
+{
+ struct fetch_control *fc = fh;
+ return (off_t) fc->record_int_pos;
}
static int record_int_read (void *fh, char *buf, size_t count)
{
- int l = record_int_len - record_int_pos;
+ struct fetch_control *fc = fh;
+ int l = fc->record_int_len - fc->record_int_pos;
if (l <= 0)
return 0;
l = (l < count) ? l : count;
- memcpy (buf, record_int_buf + record_int_pos, l);
- record_int_pos += l;
+ memcpy (buf, fc->record_int_buf + fc->record_int_pos, l);
+ fc->record_int_pos += l;
return l;
}
static int record_fetch (ZServerInfo *zi, int sysno, int score, ODR stream,
oid_value input_format, Z_RecordComposition *comp,
oid_value *output_format, char **rec_bufp,
- int *rec_lenp)
+ int *rec_lenp, char **basenamep)
{
Record rec;
- char *fname, *file_type;
+ char *fname, *file_type, *basename;
RecType rt;
- int fd = -1;
struct recRetrieveCtrl retrieveCtrl;
char subType[128];
+ struct fetch_control fc;
rec = rec_get (zi->records, sysno);
if (!rec)
{
- char *msg = "Record is deleted\n";
- *output_format = VAL_SUTRS;
- *rec_bufp = msg;
- *rec_lenp = strlen (msg);
logf (LOG_DEBUG, "rec_get fail on sysno=%d", sysno);
- return 0;
+ return 14;
}
file_type = rec->info[recInfo_fileType];
fname = rec->info[recInfo_filename];
+ basename = rec->info[recInfo_databaseName];
+ *basenamep = odr_malloc (stream, strlen(basename)+1);
+ strcpy (*basenamep, basename);
if (!(rt = recType_byName (file_type, subType)))
{
exit (1);
}
logf (LOG_DEBUG, "retrieve localno=%d score=%d", sysno, score);
+ retrieveCtrl.fh = &fc;
+ fc.fd = -1;
if (rec->size[recInfo_storeData] > 0)
{
retrieveCtrl.readf = record_int_read;
retrieveCtrl.seekf = record_int_seek;
- record_int_len = rec->size[recInfo_storeData];
- record_int_buf = rec->info[recInfo_storeData];
- record_int_pos = 0;
- logf (LOG_DEBUG, "Internal retrieve. %d bytes", record_int_len);
+ retrieveCtrl.tellf = record_int_tell;
+ fc.record_int_len = rec->size[recInfo_storeData];
+ fc.record_int_buf = rec->info[recInfo_storeData];
+ fc.record_int_pos = 0;
+ logf (LOG_DEBUG, "Internal retrieve. %d bytes", fc.record_int_len);
}
else
{
- if ((fd = open (fname, O_RDONLY)) == -1)
+ if ((fc.fd = open (fname, O_BINARY|O_RDONLY)) == -1)
{
- char *msg = "Record doesn't exist\n";
- logf (LOG_WARN|LOG_ERRNO, "Retrieve: Open record file %s", fname);
- *output_format = VAL_SUTRS;
- *rec_bufp = msg;
- *rec_lenp = strlen (msg);
+ logf (LOG_WARN|LOG_ERRNO, "Retrieve fail; missing file: %s",
+ fname);
rec_rm (&rec);
- return 0; /* or 14: System error in presenting records */
+ return 14;
}
+ memcpy (&fc.record_offset, rec->info[recInfo_offset],
+ sizeof(fc.record_offset));
- memcpy (&record_offset, rec->info[recInfo_offset],
- sizeof(record_offset));
-
- retrieveCtrl.fh = &fd;
retrieveCtrl.readf = record_ext_read;
retrieveCtrl.seekf = record_ext_seek;
+ retrieveCtrl.tellf = record_ext_tell;
record_ext_seek (retrieveCtrl.fh, 0);
}
retrieveCtrl.input_format = retrieveCtrl.output_format = input_format;
retrieveCtrl.comp = comp;
retrieveCtrl.diagnostic = 0;
+ retrieveCtrl.dh = zi->dh;
(*rt->retrieve)(&retrieveCtrl);
*output_format = retrieveCtrl.output_format;
*rec_bufp = retrieveCtrl.rec_buf;
*rec_lenp = retrieveCtrl.rec_len;
- if (fd != -1)
- close (fd);
+ if (fc.fd != -1)
+ close (fc.fd);
rec_rm (&rec);
return retrieveCtrl.diagnostic;
bend_fetchresult *bend_fetch (void *handle, bend_fetchrequest *q, int *num)
{
- static bend_fetchresult r;
+ ZServerInfo *zi = handle;
+ bend_fetchresult *r = odr_malloc (q->stream, sizeof(*r));
int positions[2];
ZServerSetSysno *records;
- register_lock (&server_info);
+ register_lock (zi);
- r.errstring = 0;
- r.last_in_set = 0;
- r.basename = "base";
+ r->errstring = 0;
+ r->last_in_set = 0;
+ r->basename = "base";
- odr_reset (server_info.odr);
- server_info.errCode = 0;
+ odr_reset (zi->odr);
+ zi->errCode = 0;
positions[0] = q->number;
- records = resultSetSysnoGet (&server_info, q->setname, 1, positions);
+ records = resultSetSysnoGet (zi, q->setname, 1, positions);
if (!records)
{
logf (LOG_DEBUG, "resultSetRecordGet, error");
- r.errcode = 13;
- register_unlock (&server_info);
- return &r;
+ r->errcode = 13;
+ register_unlock (zi);
+ return r;
}
if (!records[0].sysno)
{
- r.errcode = 13;
+ r->errcode = 13;
logf (LOG_DEBUG, "Out of range. pos=%d", q->number);
- register_unlock (&server_info);
- return &r;
+ register_unlock (zi);
+ return r;
}
- r.errcode = record_fetch (&server_info, records[0].sysno,
+ r->errcode = record_fetch (zi, records[0].sysno,
records[0].score, q->stream, q->format,
- q->comp, &r.format, &r.record, &r.len);
- resultSetSysnoDel (&server_info, records, 1);
- register_unlock (&server_info);
- return &r;
+ q->comp, &r->format, &r->record, &r->len,
+ &r->basename);
+ resultSetSysnoDel (zi, records, 1);
+ register_unlock (zi);
+ return r;
}
bend_deleteresult *bend_delete (void *handle, bend_deleterequest *q, int *num)
{
- register_lock (&server_info);
- register_unlock (&server_info);
+ ZServerInfo *zi = handle;
+ register_lock (zi);
+ register_unlock (zi);
return 0;
}
bend_scanresult *bend_scan (void *handle, bend_scanrequest *q, int *num)
{
- static bend_scanresult r;
+ ZServerInfo *zi = handle;
+ bend_scanresult *r = odr_malloc (q->stream, sizeof(*r));
int status;
- register_lock (&server_info);
- odr_reset (server_info.odr);
- server_info.errCode = 0;
- server_info.errString = 0;
+ register_lock (zi);
+ odr_reset (zi->odr);
+ zi->errCode = 0;
+ zi->errString = 0;
- r.term_position = q->term_position;
- r.num_entries = q->num_entries;
- r.errcode = rpn_scan (&server_info, q->term,
+ r->term_position = q->term_position;
+ r->num_entries = q->num_entries;
+ r->errcode = rpn_scan (zi, q->term,
q->attributeset,
q->num_bases, q->basenames,
- &r.term_position,
- &r.num_entries, &r.entries, &status);
- r.errstring = server_info.errString;
- r.status = status;
- register_unlock (&server_info);
- return &r;
+ &r->term_position,
+ &r->num_entries, &r->entries, &status);
+ r->errstring = zi->errString;
+ r->status = status;
+ register_unlock (zi);
+ return r;
}
void bend_close (void *handle)
{
- if (server_info.records)
+ ZServerInfo *zi = handle;
+ if (zi->records)
{
- dict_close (server_info.dict);
- if (server_info.isam)
- is_close (server_info.isam);
- if (server_info.isamc)
- isc_close (server_info.isamc);
- rec_close (&server_info.records);
- register_unlock (&server_info);
+ resultSetDestroy (zi);
+ dict_close (zi->dict);
+ if (zi->isam)
+ is_close (zi->isam);
+ if (zi->isamc)
+ isc_close (zi->isamc);
+ rec_close (&zi->records);
+ register_unlock (zi);
}
+ bfs_destroy (zi->bfs);
+ data1_destroy (zi->dh);
return;
}