-/* $Id: kinput.c,v 1.66 2005-06-14 20:28:54 adam Exp $
- Copyright (C) 1995-2005
+/* $Id: kinput.c,v 1.83 2007-02-06 09:32:50 adam Exp $
+ Copyright (C) 1995-2007
Index Data ApS
This file is part of the Zebra server.
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>
#define INP_BUF_START 60000
#define INP_BUF_ADD 400000
-
struct key_file {
int no; /* file no */
off_t offset; /* file offset */
Res res;
};
+#if 0
+static void pkey(const char *b, int mode)
+{
+ key_logdump_txt(YLOG_LOG, b, mode ? "i" : "d");
+}
+#endif
+
+
void getFnameTmp (Res res, char *fname, int no)
{
const char *pre;
f->buf_size = 0;
if (fd == -1)
{
- yaz_log (YLOG_WARN|YLOG_ERRNO, "cannot open %s", fname);
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "cannot open %s", fname);
return ;
}
if (!f->length)
{
if ((f->length = lseek (fd, 0L, SEEK_END)) == (off_t) -1)
{
- yaz_log (YLOG_WARN|YLOG_ERRNO, "cannot seek %s", fname);
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "cannot seek %s", fname);
close (fd);
return ;
}
}
if (lseek (fd, f->offset, SEEK_SET) == -1)
{
- yaz_log (YLOG_WARN|YLOG_ERRNO, "cannot seek %s", fname);
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "cannot seek %s", fname);
close(fd);
return ;
}
}
if (r == -1)
{
- yaz_log (YLOG_WARN|YLOG_ERRNO, "read of %s", fname);
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "read of %s", fname);
close (fd);
return;
}
return EOF;
}
-int key_file_decode (struct key_file *f)
-{
- int c, d;
-
- c = key_file_getc (f);
- switch (c & 192)
- {
- case 0:
- d = c;
- break;
- case 64:
- d = ((c&63) << 8) + (key_file_getc (f) & 0xff);
- break;
- case 128:
- d = ((c&63) << 8) + (key_file_getc (f) & 0xff);
- d = (d << 8) + (key_file_getc (f) & 0xff);
- break;
- default: /* 192 */
- d = ((c&63) << 8) + (key_file_getc (f) & 0xff);
- d = (d << 8) + (key_file_getc (f) & 0xff);
- d = (d << 8) + (key_file_getc (f) & 0xff);
- break;
- }
- return d;
-}
-
int key_file_read (struct key_file *f, char *key)
{
int i, c;
srcbuf[j] = key_file_getc(f);
dst = key + i;
iscz1_decode(f->decode_handle, &dst, &src);
+
+#if 0
+ /* debugging */
+ if (1)
+ {
+ struct it_key k;
+ memcpy(&k, key+i, sizeof(k));
+ if (!k.mem[1])
+ yaz_log(YLOG_LOG, "00 KEY");
+ }
+#endif
return i + sizeof(struct it_key);
}
int *ptr;
int (*cmp)(const void *p1, const void *p2);
struct zebra_register *reg;
- ZebraHandle zh; /* only used for raw reading that bypasses the heaps */
- int no_diffs;
- int no_updates;
- int no_deletions;
- int no_insertions;
- int no_iterations;
+ ZebraHandle zh;
+ int raw_reading; /* 1=raw /mem read. 0=file reading */
+ zint no_diffs;
+ zint no_updates;
+ zint no_deletions;
+ zint no_insertions;
+ zint no_iterations;
};
-static struct heap_info *key_heap_malloc()
+static struct heap_info *key_heap_malloc(void)
{ /* malloc and clear it */
struct heap_info *hi;
hi = (struct heap_info *) xmalloc (sizeof(*hi));
hi->info.buf = 0;
hi->heapnum = 0;
hi->ptr = 0;
- hi->zh=0;
+ hi->raw_reading = 0;
hi->no_diffs = 0;
hi->no_diffs = 0;
hi->no_updates = 0;
return hi;
}
-struct heap_info *key_heap_init (int nkeys,
- int (*cmp)(const void *p1, const void *p2))
+struct heap_info *key_heap_init_file(ZebraHandle zh,
+ int nkeys,
+ int (*cmp)(const void *p1, const void *p2))
{
struct heap_info *hi;
int i;
hi = key_heap_malloc();
+ hi->zh = zh;
hi->info.file = (struct key_file **)
xmalloc (sizeof(*hi->info.file) * (1+nkeys));
hi->info.buf = (char **) xmalloc (sizeof(*hi->info.buf) * (1+nkeys));
return hi;
}
-struct heap_info *key_heap_init_buff ( ZebraHandle zh,
- int (*cmp)(const void *p1, const void *p2))
+struct heap_info *key_heap_init_raw(ZebraHandle zh,
+ int (*cmp)(const void *p1, const void *p2))
{
struct heap_info *hi=key_heap_malloc();
- hi->cmp=cmp;
- hi->zh=zh;
+ hi->cmp = cmp;
+ hi->zh = zh;
+ hi->raw_reading = 1;
return hi;
}
void key_heap_destroy (struct heap_info *hi, int nkeys)
{
int i;
- yaz_log (YLOG_DEBUG, "key_heap_destroy");
- yaz_log (YLOG_DEBUG, "key_heap_destroy nk=%d",nkeys);
- if (!hi->zh)
+ if (!hi->raw_reading)
for (i = 0; i<=nkeys; i++)
xfree (hi->info.buf[i]);
}
}
-static int heap_read_one_raw (struct heap_info *hi, char *name, char *key)
-{
- ZebraHandle zh=hi->zh;
- size_t ptr_i = zh->reg->ptr_i;
- char *cp;
- if (!ptr_i)
- return 0;
- --(zh->reg->ptr_i);
- cp=(zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
- yaz_log (YLOG_DEBUG, " raw: i=%ld top=%ld cp=%p", (long) ptr_i,
- (long) zh->reg->ptr_top, cp);
- strcpy(name, cp);
- memcpy(key, cp+strlen(name)+1, KEY_SIZE);
- hi->no_iterations++;
- return 1;
-}
-
static int heap_read_one (struct heap_info *hi, char *name, char *key)
{
int n, r;
char rbuf[INP_NAME_MAX];
struct key_file *kf;
- if (hi->zh) /* bypass the heap stuff, we have a readymade buffer */
- return heap_read_one_raw(hi, name, key);
-
if (!hi->heapnum)
return 0;
n = hi->ptr[1];
return 1;
}
-#define PR_KEY 0
+#define PR_KEY_LOW 0
+#define PR_KEY_TOP 0
-#if PR_KEY
-static void pkey(const char *b, int mode)
+/* for debugging only */
+void zebra_log_dict_entry(ZebraHandle zh, const char *s)
{
- struct it_key *key = (struct it_key *) b;
- printf ("%c %d:%d\n", mode + 48, key->sysno, key->seqno);
+ char dst[IT_MAX_WORD+1];
+ int ord;
+ int len = key_SU_decode(&ord, (const unsigned char *) s);
+ int index_type;
+
+ if (!zh)
+ yaz_log(YLOG_LOG, "ord=%d", ord);
+ else
+ {
+ const char *string_index;
+ const char *db = 0;
+ zebraExplain_lookup_ord(zh->reg->zei,
+ ord, &index_type, &db, &string_index);
+
+ zebra_term_untrans(zh, index_type, dst, s + len);
+
+ yaz_log(YLOG_LOG, "ord=%d index_type=%c index=%s term=%s",
+ ord, index_type, string_index, dst);
+ }
}
-#endif
struct heap_cread_info {
char prev_name[INP_NAME_MAX];
int first_in_list;
int more;
int ret;
+ int look_level;
};
static int heap_cread_item (void *vp, char **dst, int *insertMode);
-int heap_cread_item2 (void *vp, char **dst, int *insertMode)
+int heap_cread_item2(void *vp, char **dst, int *insertMode)
{
struct heap_cread_info *p = (struct heap_cread_info *) vp;
int level = 0;
+ if (p->look_level)
+ {
+ if (p->look_level > 0)
+ {
+ *insertMode = 1;
+ p->look_level--;
+ }
+ else
+ {
+ *insertMode = 0;
+ p->look_level++;
+ }
+ memcpy (*dst, p->key_1, p->sz_1);
+#if 0
+ yaz_log(YLOG_LOG, "DUP level=%d", p->look_level);
+ pkey(*dst, *insertMode);
+#endif
+ (*dst) += p->sz_1;
+ return 1;
+ }
if (p->ret == 0) /* lookahead was 0?. Return that in read next round */
{
p->ret = -1;
return 0;
}
p->sz_2 = dst_2 - p->key_2;
- if (p->sz_1 == p->sz_2 && memcmp(p->key_1, p->key_2, p->sz_1) == 0)
+
+ if (key_compare(p->key_1, p->key_2) == 0)
{
if (p->mode_2) /* adjust level according to deletes/inserts */
level++;
}
/* outcome is insert (1) or delete (0) depending on final level */
if (level > 0)
+ {
*insertMode = 1;
+ level--;
+ }
else
+ {
*insertMode = 0;
+ level++;
+ }
+ p->look_level = level;
memcpy (*dst, p->key_1, p->sz_1);
-#if PR_KEY
- printf ("top: ");
- pkey(*dst, *insertMode); fflush(stdout);
+#if 0
+ pkey(*dst, *insertMode);
#endif
(*dst) += p->sz_1;
return 1;
{
*insertMode = p->key[0];
memcpy (*dst, p->key+1, sizeof(struct it_key));
-#if PR_KEY
- printf ("sub1: ");
+#if PR_KEY_LOW
+ zebra_log_dict_entry(hi->zh, p->cur_name);
pkey(*dst, *insertMode);
#endif
(*dst) += sizeof(struct it_key);
}
*insertMode = p->key[0];
memcpy (*dst, p->key+1, sizeof(struct it_key));
-#if PR_KEY
- printf ("sub2: ");
+#if PR_KEY_LOW
+ zebra_log_dict_entry(hi->zh, p->cur_name);
pkey(*dst, *insertMode);
#endif
(*dst) += sizeof(struct it_key);
return 1;
}
-int heap_inpc (struct heap_info *hi)
+int heap_inpc (struct heap_cread_info *hci, struct heap_info *hi)
{
- struct heap_cread_info hci;
ISAMC_I *isamc_i = (ISAMC_I *) xmalloc (sizeof(*isamc_i));
- hci.key = (char *) xmalloc (KEY_SIZE);
- hci.key_1 = (char *) xmalloc (KEY_SIZE);
- hci.key_2 = (char *) xmalloc (KEY_SIZE);
- hci.ret = -1;
- hci.first_in_list = 1;
- hci.hi = hi;
- hci.more = heap_read_one (hi, hci.cur_name, hci.key);
-
- isamc_i->clientData = &hci;
+ isamc_i->clientData = hci;
isamc_i->read_item = heap_cread_item2;
- while (hci.more)
+ while (hci->more)
{
char this_name[INP_NAME_MAX];
ISAM_P isamc_p, isamc_p2;
char *dict_info;
- strcpy (this_name, hci.cur_name);
- assert (hci.cur_name[1]);
+ strcpy (this_name, hci->cur_name);
+ assert (hci->cur_name[0]);
hi->no_diffs++;
- if ((dict_info = dict_lookup (hi->reg->dict, hci.cur_name)))
+ if ((dict_info = dict_lookup (hi->reg->dict, hci->cur_name)))
{
memcpy (&isamc_p, dict_info+1, sizeof(ISAM_P));
isamc_p2 = isamc_p;
isamc_p = 0;
isamc_merge (hi->reg->isamc, &isamc_p, isamc_i);
hi->no_insertions++;
- dict_insert (hi->reg->dict, this_name, sizeof(ISAM_P), &isamc_p);
+ if (isamc_p)
+ dict_insert (hi->reg->dict, this_name,
+ sizeof(ISAM_P), &isamc_p);
}
}
xfree (isamc_i);
- xfree (hci.key);
- xfree (hci.key_1);
- xfree (hci.key_2);
return 0;
}
-#if 0
-/* for debugging only */
-static void print_dict_item (ZebraMaps zm, const char *s)
+int heap_inp0(struct heap_cread_info *hci, struct heap_info *hi)
{
- int reg_type = s[1];
- char keybuf[IT_MAX_WORD+1];
- char *to = keybuf;
- const char *from = s + 2;
-
- while (*from)
+ while (hci->more)
{
- const char *res = zebra_maps_output (zm, reg_type, &from);
- if (!res)
- *to++ = *from++;
- else
- while (*res)
- *to++ = *res++;
+ char this_name[INP_NAME_MAX];
+ char mybuf[1024];
+ char *dst = mybuf;
+ int mode;
+
+ strcpy (this_name, hci->cur_name);
+ assert (hci->cur_name[0]);
+ hi->no_diffs++;
+
+ while (heap_cread_item2(hci, &dst, &mode))
+ ;
}
- *to = '\0';
- yaz_log (YLOG_LOG, "%s", keybuf);
-}
-#endif
+ return 0;
+}
-int heap_inpb (struct heap_info *hi)
+
+int heap_inpb(struct heap_cread_info *hci, struct heap_info *hi)
{
- struct heap_cread_info hci;
ISAMC_I *isamc_i = (ISAMC_I *) xmalloc (sizeof(*isamc_i));
- hci.key = (char *) xmalloc (KEY_SIZE);
- hci.key_1 = (char *) xmalloc (KEY_SIZE);
- hci.key_2 = (char *) xmalloc (KEY_SIZE);
- hci.ret = -1;
- hci.first_in_list = 1;
- hci.hi = hi;
- hci.more = heap_read_one (hi, hci.cur_name, hci.key);
-
- isamc_i->clientData = &hci;
+ isamc_i->clientData = hci;
isamc_i->read_item = heap_cread_item2;
- while (hci.more)
+ while (hci->more)
{
char this_name[INP_NAME_MAX];
ISAM_P isamc_p, isamc_p2;
char *dict_info;
- strcpy (this_name, hci.cur_name);
- assert (hci.cur_name[1]);
+ strcpy (this_name, hci->cur_name);
+ assert (hci->cur_name[0]);
hi->no_diffs++;
#if 0
- print_dict_item (hi->reg->zebra_maps, hci.cur_name);
+ assert(hi->zh);
+ zebra_log_dict_entry(hi->zh, hci->cur_name);
#endif
- if ((dict_info = dict_lookup (hi->reg->dict, hci.cur_name)))
+ if ((dict_info = dict_lookup (hi->reg->dict, hci->cur_name)))
{
memcpy (&isamc_p, dict_info+1, sizeof(ISAM_P));
isamc_p2 = isamc_p;
isamc_p = 0;
isamb_merge (hi->reg->isamb, &isamc_p, isamc_i);
hi->no_insertions++;
- dict_insert (hi->reg->dict, this_name, sizeof(ISAM_P), &isamc_p);
+ if (isamc_p)
+ dict_insert (hi->reg->dict, this_name,
+ sizeof(ISAM_P), &isamc_p);
}
}
- xfree (isamc_i);
- xfree (hci.key);
- xfree (hci.key_1);
- xfree (hci.key_2);
+ xfree(isamc_i);
return 0;
}
-int heap_inps (struct heap_info *hi)
+int heap_inps (struct heap_cread_info *hci, struct heap_info *hi)
{
- struct heap_cread_info hci;
ISAMS_I isams_i = (ISAMS_I) xmalloc (sizeof(*isams_i));
- hci.key = (char *) xmalloc (KEY_SIZE);
- hci.key_1 = (char *) xmalloc (KEY_SIZE);
- hci.key_2 = (char *) xmalloc (KEY_SIZE);
- hci.first_in_list = 1;
- hci.ret = -1;
- hci.hi = hi;
- hci.more = heap_read_one (hi, hci.cur_name, hci.key);
-
- isams_i->clientData = &hci;
+ isams_i->clientData = hci;
isams_i->read_item = heap_cread_item;
- while (hci.more)
+ while (hci->more)
{
char this_name[INP_NAME_MAX];
ISAM_P isams_p;
char *dict_info;
- strcpy (this_name, hci.cur_name);
- assert (hci.cur_name[1]);
+ strcpy (this_name, hci->cur_name);
+ assert (hci->cur_name[0]);
hi->no_diffs++;
- if (!(dict_info = dict_lookup (hi->reg->dict, hci.cur_name)))
+ if (!(dict_info = dict_lookup (hi->reg->dict, hci->cur_name)))
{
isams_p = isams_merge (hi->reg->isams, isams_i);
hi->no_insertions++;
}
else
{
- yaz_log (YLOG_FATAL, "isams doesn't support this kind of update");
+ yaz_log(YLOG_FATAL, "isams doesn't support this kind of update");
break;
}
}
remaining = (time_t) ((now - p->startTime)*
((double) p->totalBytes/p->totalOffset - 1.0));
if (remaining <= 130)
- yaz_log (YLOG_LOG, "Merge %2.1f%% completed; %ld seconds remaining",
+ yaz_log(YLOG_LOG, "Merge %2.1f%% completed; %ld seconds remaining",
(100.0*p->totalOffset) / p->totalBytes, (long) remaining);
else
- yaz_log (YLOG_LOG, "Merge %2.1f%% completed; %ld minutes remaining",
+ yaz_log(YLOG_LOG, "Merge %2.1f%% completed; %ld minutes remaining",
(100.0*p->totalOffset) / p->totalBytes, (long) remaining/60);
}
p->totalOffset += keyp->buf_size;
int i, r;
struct heap_info *hi;
struct progressInfo progressInfo;
- int nkeys = zh->reg->key_file_no;
- int usefile;
-
- yaz_log (YLOG_DEBUG, " index_merge called with nk=%d b=%p",
- nkeys, zh->reg->key_buf);
- if ( (nkeys==0) && (zh->reg->key_buf==0) )
- return; /* nothing to merge - probably flush after end-trans */
-
- usefile = (nkeys!=0);
+ int nkeys = key_block_get_no_files(zh->reg->key_block);
- if (usefile)
+ if (nkeys == 0)
+ return;
+
+ if (nkeys < 0)
{
- if (nkeys < 0)
+ char fname[1024];
+ nkeys = 0;
+ while (1)
{
- char fname[1024];
- nkeys = 0;
- while (1)
- {
- extract_get_fname_tmp (zh, fname, nkeys+1);
- if (access (fname, R_OK) == -1)
- break;
- nkeys++;
- }
- if (!nkeys)
- return ;
- }
- kf = (struct key_file **) xmalloc ((1+nkeys) * sizeof(*kf));
- progressInfo.totalBytes = 0;
- progressInfo.totalOffset = 0;
- time (&progressInfo.startTime);
- time (&progressInfo.lastTime);
- for (i = 1; i<=nkeys; i++)
- {
- kf[i] = key_file_init (i, 8192, zh->res);
- kf[i]->readHandler = progressFunc;
- kf[i]->readInfo = &progressInfo;
- progressInfo.totalBytes += kf[i]->length;
- progressInfo.totalOffset += kf[i]->buf_size;
+ extract_get_fname_tmp (zh, fname, nkeys+1);
+ if (access (fname, R_OK) == -1)
+ break;
+ nkeys++;
}
- hi = key_heap_init (nkeys, key_qsort_compare);
- hi->reg = zh->reg;
+ if (!nkeys)
+ return ;
+ }
+ kf = (struct key_file **) xmalloc ((1+nkeys) * sizeof(*kf));
+ progressInfo.totalBytes = 0;
+ progressInfo.totalOffset = 0;
+ time (&progressInfo.startTime);
+ time (&progressInfo.lastTime);
+ for (i = 1; i<=nkeys; i++)
+ {
+ kf[i] = key_file_init (i, 8192, zh->res);
+ kf[i]->readHandler = progressFunc;
+ kf[i]->readInfo = &progressInfo;
+ progressInfo.totalBytes += kf[i]->length;
+ progressInfo.totalOffset += kf[i]->buf_size;
+ }
+ hi = key_heap_init_file(zh, nkeys, key_qsort_compare);
+ hi->reg = zh->reg;
+
+ for (i = 1; i<=nkeys; i++)
+ if ((r = key_file_read (kf[i], rbuf)))
+ key_heap_insert (hi, rbuf, r, kf[i]);
+
+ if (1)
+ {
+ struct heap_cread_info hci;
- for (i = 1; i<=nkeys; i++)
- if ((r = key_file_read (kf[i], rbuf)))
- key_heap_insert (hi, rbuf, r, kf[i]);
- } /* use file */
- else
- { /* do not use file, read straight from buffer */
- hi = key_heap_init_buff (zh,key_qsort_compare);
- hi->reg = zh->reg;
+ hci.key = (char *) xmalloc (KEY_SIZE);
+ hci.key_1 = (char *) xmalloc (KEY_SIZE);
+ hci.key_2 = (char *) xmalloc (KEY_SIZE);
+ hci.ret = -1;
+ hci.first_in_list = 1;
+ hci.hi = hi;
+ hci.look_level = 0;
+ hci.more = heap_read_one (hi, hci.cur_name, hci.key);
+
+ if (zh->reg->isams)
+ heap_inps(&hci, hi);
+ if (zh->reg->isamc)
+ heap_inpc(&hci, hi);
+ if (zh->reg->isamb)
+ heap_inpb(&hci, hi);
+
+ xfree (hci.key);
+ xfree (hci.key_1);
+ xfree (hci.key_2);
}
- if (zh->reg->isams)
- heap_inps (hi);
- if (zh->reg->isamc)
- heap_inpc (hi);
- if (zh->reg->isamb)
- heap_inpb (hi);
- if (usefile)
+ for (i = 1; i<=nkeys; i++)
{
- for (i = 1; i<=nkeys; i++)
- {
- extract_get_fname_tmp (zh, rbuf, i);
- unlink (rbuf);
- }
- for (i = 1; i<=nkeys; i++)
- key_file_destroy (kf[i]);
- xfree (kf);
+ extract_get_fname_tmp (zh, rbuf, i);
+ unlink (rbuf);
}
+ for (i = 1; i<=nkeys; i++)
+ key_file_destroy (kf[i]);
+ xfree (kf);
if (hi->no_iterations)
{ /* do not log if nothing happened */
- yaz_log (YLOG_LOG, "Iterations . . .%7d", hi->no_iterations);
- yaz_log (YLOG_LOG, "Distinct words .%7d", hi->no_diffs);
- yaz_log (YLOG_LOG, "Updates. . . . .%7d", hi->no_updates);
- yaz_log (YLOG_LOG, "Deletions. . . .%7d", hi->no_deletions);
- yaz_log (YLOG_LOG, "Insertions . . .%7d", hi->no_insertions);
+ yaz_log(YLOG_LOG, "Iterations: isam/dict "
+ ZINT_FORMAT "/" ZINT_FORMAT,
+ hi->no_iterations, hi->no_diffs);
+ yaz_log(YLOG_LOG, "Dict: inserts/updates/deletions: "
+ ZINT_FORMAT "/" ZINT_FORMAT "/" ZINT_FORMAT,
+ hi->no_insertions, hi->no_updates, hi->no_deletions);
}
- zh->reg->key_file_no = 0;
-
- key_heap_destroy (hi, nkeys);
+ key_block_destroy(&zh->reg->key_block);
+ key_heap_destroy(hi, nkeys);
}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+