-/*
- * Copyright (C) 1994-1995, Index Data I/S
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: kinput.c,v $
- * Revision 1.5 1995-09-29 14:01:43 adam
- * Bug fixes.
- *
- * Revision 1.4 1995/09/28 14:22:57 adam
- * Sort uses smaller temporary files.
- *
- * Revision 1.3 1995/09/06 16:11:17 adam
- * Option: only one word key per file.
- *
- * Revision 1.2 1995/09/04 12:33:42 adam
- * Various cleanup. YAZ util used instead.
- *
- * Revision 1.1 1995/09/04 09:10:37 adam
- * More work on index add/del/update.
- * Merge sort implemented.
- * Initial work on z39 server.
- *
- */
+/* This file is part of the Zebra server.
+ Copyright (C) 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
+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 this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*/
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <fcntl.h>
+#ifdef WIN32
+#include <io.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
-#include <ctype.h>
#include <assert.h>
#include "index.h"
#define KEY_SIZE (1+sizeof(struct it_key))
-#define INP_NAME_MAX 8192
-#define INP_BUF_START 60000
-#define INP_BUF_ADD 400000
+#define INP_NAME_MAX 768
+
+struct key_file {
+ int no; /* file no */
+ off_t offset; /* file offset */
+ unsigned char *buf; /* buffer block */
+ size_t buf_size; /* number of read bytes in block */
+ size_t chunk; /* number of bytes allocated */
+ size_t buf_ptr; /* current position in buffer */
+ char *prev_name; /* last word read */
+ void *decode_handle;
+ off_t length; /* length of file */
+ /* handler invoked in each read */
+ void (*readHandler)(struct key_file *keyp, void *rinfo);
+ void *readInfo;
+ Res res;
+};
+
+
+#define PR_KEY_LOW 0
+#define PR_KEY_TOP 0
+
+#if PR_KEY_LOW || PR_KEY_TOP
+
+static void pkey(const char *b, int mode)
+{
+ key_logdump_txt(YLOG_LOG, b, mode ? "i" : "d");
+}
+#endif
-static int no_diffs = 0;
-static int no_updates = 0;
-static int no_insertions = 0;
-static int no_iterations = 0;
-static int read_one (FILE *inf, char *name, char *key)
+void getFnameTmp(Res res, char *fname, int no)
{
- int c;
- int i = 0;
- do
+ const char *pre;
+
+ pre = res_get_def(res, "keyTmpDir", ".");
+ sprintf(fname, "%s/key%d.tmp", pre, no);
+}
+
+void extract_get_fname_tmp(ZebraHandle zh, char *fname, int no)
+{
+ const char *pre;
+
+ pre = res_get_def(zh->res, "keyTmpDir", ".");
+ sprintf(fname, "%s/key%d.tmp", pre, no);
+}
+
+void key_file_chunk_read(struct key_file *f)
+{
+ int nr = 0, r = 0, fd;
+ char fname[1024];
+ getFnameTmp(f->res, fname, f->no);
+ fd = open(fname, O_BINARY|O_RDONLY);
+
+ f->buf_ptr = 0;
+ f->buf_size = 0;
+ if (fd == -1)
{
- if ((c=getc(inf)) == EOF)
- return 0;
- name[i++] = c;
- } while (c);
- for (i = 0; i<KEY_SIZE; i++)
- ((char *)key)[i] = getc (inf);
- ++no_iterations;
+ 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);
+ close(fd);
+ return ;
+ }
+ }
+ if (lseek(fd, f->offset, SEEK_SET) == -1)
+ {
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "cannot seek %s", fname);
+ close(fd);
+ return ;
+ }
+ while (f->chunk - nr > 0)
+ {
+ r = read(fd, f->buf + nr, f->chunk - nr);
+ if (r <= 0)
+ break;
+ nr += r;
+ }
+ if (r == -1)
+ {
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "read of %s", fname);
+ close(fd);
+ return;
+ }
+ f->buf_size = nr;
+ if (f->readHandler)
+ (*f->readHandler)(f, f->readInfo);
+ close(fd);
+}
+
+void key_file_destroy(struct key_file *f)
+{
+ iscz1_stop(f->decode_handle);
+ xfree(f->buf);
+ xfree(f->prev_name);
+ xfree(f);
+}
+
+struct key_file *key_file_init(int no, int chunk, Res res)
+{
+ struct key_file *f;
+
+ f = (struct key_file *) xmalloc(sizeof(*f));
+ f->res = res;
+ f->decode_handle = iscz1_start();
+ f->no = no;
+ f->chunk = chunk;
+ f->offset = 0;
+ f->length = 0;
+ f->readHandler = NULL;
+ f->buf = (unsigned char *) xmalloc(f->chunk);
+ f->prev_name = (char *) xmalloc(INP_NAME_MAX);
+ *f->prev_name = '\0';
+ key_file_chunk_read(f);
+ return f;
+}
+
+int key_file_getc(struct key_file *f)
+{
+ if (f->buf_ptr < f->buf_size)
+ return f->buf[(f->buf_ptr)++];
+ if (f->buf_size < f->chunk)
+ return EOF;
+ f->offset += f->buf_size;
+ key_file_chunk_read(f);
+ if (f->buf_ptr < f->buf_size)
+ return f->buf[(f->buf_ptr)++];
+ else
+ return EOF;
+}
+
+int key_file_read(struct key_file *f, char *key)
+{
+ int i, c;
+ char srcbuf[128];
+ const char *src = srcbuf;
+ char *dst;
+ int j;
+
+ c = key_file_getc(f);
+ if (c == 0)
+ {
+ strcpy(key, f->prev_name);
+ i = 1+strlen(key);
+ }
+ else if (c == EOF)
+ return 0;
+ else
+ {
+ i = 0;
+ key[i++] = c;
+ while ((c = key_file_getc(f)))
+ {
+ if (i < INP_NAME_MAX-2)
+ key[i++] = c;
+ }
+ key[i++] = '\0';
+ strcpy(f->prev_name, key);
+ iscz1_reset(f->decode_handle);
+ }
+ c = key_file_getc(f); /* length + insert/delete combined */
+ key[i++] = c & 128;
+ c = c & 127;
+ for (j = 0; j < c; j++)
+ 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);
+}
+
+struct heap_info {
+ struct {
+ struct key_file **file;
+ char **buf;
+ } info;
+ int heapnum;
+ int *ptr;
+ int (*cmp)(const void *p1, const void *p2);
+ struct zebra_register *reg;
+ ZebraHandle zh;
+ zint no_diffs;
+ zint no_updates;
+ zint no_deletions;
+ zint no_insertions;
+ zint no_iterations;
+};
+
+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.file = 0;
+ hi->info.buf = 0;
+ hi->heapnum = 0;
+ hi->ptr = 0;
+ hi->no_diffs = 0;
+ hi->no_diffs = 0;
+ hi->no_updates = 0;
+ hi->no_deletions = 0;
+ hi->no_insertions = 0;
+ hi->no_iterations = 0;
+ return hi;
+}
+
+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));
+ hi->ptr = (int *) xmalloc(sizeof(*hi->ptr) * (1+nkeys));
+ hi->cmp = cmp;
+ for (i = 0; i<= nkeys; i++)
+ {
+ hi->ptr[i] = i;
+ hi->info.buf[i] = (char *) xmalloc(INP_NAME_MAX);
+ }
+ return hi;
+}
+
+void key_heap_destroy(struct heap_info *hi, int nkeys)
+{
+ int i;
+ for (i = 0; i<=nkeys; i++)
+ xfree(hi->info.buf[i]);
+ xfree(hi->info.buf);
+ xfree(hi->ptr);
+ xfree(hi->info.file);
+ xfree(hi);
+}
+
+static void key_heap_swap(struct heap_info *hi, int i1, int i2)
+{
+ int swap;
+
+ swap = hi->ptr[i1];
+ hi->ptr[i1] = hi->ptr[i2];
+ hi->ptr[i2] = swap;
+}
+
+
+static void key_heap_delete(struct heap_info *hi)
+{
+ int cur = 1, child = 2;
+
+ assert(hi->heapnum > 0);
+
+ key_heap_swap(hi, 1, hi->heapnum);
+ hi->heapnum--;
+ while (child <= hi->heapnum) {
+ if (child < hi->heapnum &&
+ (*hi->cmp)(&hi->info.buf[hi->ptr[child]],
+ &hi->info.buf[hi->ptr[child+1]]) > 0)
+ child++;
+ if ((*hi->cmp)(&hi->info.buf[hi->ptr[cur]],
+ &hi->info.buf[hi->ptr[child]]) > 0)
+ {
+ key_heap_swap(hi, cur, child);
+ cur = child;
+ child = 2*cur;
+ }
+ else
+ break;
+ }
+}
+
+static void key_heap_insert(struct heap_info *hi, const char *buf, int nbytes,
+ struct key_file *kf)
+{
+ int cur, parent;
+
+ assert(nbytes < INP_NAME_MAX);
+
+ cur = ++(hi->heapnum);
+ memcpy(hi->info.buf[hi->ptr[cur]], buf, nbytes);
+ hi->info.file[hi->ptr[cur]] = kf;
+
+ parent = cur/2;
+ while (parent && (*hi->cmp)(&hi->info.buf[hi->ptr[parent]],
+ &hi->info.buf[hi->ptr[cur]]) > 0)
+ {
+ key_heap_swap(hi, cur, parent);
+ cur = parent;
+ parent = cur/2;
+ }
+}
+
+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->heapnum)
+ return 0;
+ n = hi->ptr[1];
+ strcpy(name, hi->info.buf[n]);
+ kf = hi->info.file[n];
+ r = strlen(name);
+ memcpy(key, hi->info.buf[n] + r+1, KEY_SIZE);
+ key_heap_delete(hi);
+ if ((r = key_file_read(kf, rbuf)))
+ key_heap_insert(hi, rbuf, r, kf);
+ hi->no_iterations++;
return 1;
}
-static int inp (Dict dict, ISAM isam, const char *name)
+
+/* for debugging only */
+void zebra_log_dict_entry(ZebraHandle zh, const char *s)
{
- FILE *inf;
- char *info;
- char next_name[INP_NAME_MAX+1];
- char cur_name[INP_NAME_MAX+1];
- int key_buf_size = INP_BUF_START;
- int key_buf_ptr;
- char *next_key;
- char *key_buf;
+ char dst[INP_NAME_MAX+1];
+ int ord;
+ int len = key_SU_decode(&ord, (const unsigned char *) s);
+ const char *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=%s index=%s term=%s",
+ ord, index_type, string_index, dst);
+ }
+}
+
+struct heap_cread_info {
+ char prev_name[INP_NAME_MAX];
+ char cur_name[INP_NAME_MAX];
+ char *key;
+ char *key_1, *key_2;
+ int mode_1, mode_2;
+ int sz_1, sz_2;
+ struct heap_info *hi;
+ int first_in_list;
int more;
-
- next_key = xmalloc (KEY_SIZE);
- key_buf = xmalloc (key_buf_size * (KEY_SIZE));
- if (!(inf = fopen (name, "r")))
+ 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)
+{
+ struct heap_cread_info *p = (struct heap_cread_info *) vp;
+ int level = 0;
+
+ if (p->look_level)
{
- logf (LOG_FATAL|LOG_ERRNO, "cannot open `%s'", name);
- exit (1);
+ 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 PR_KEY_TOP
+ yaz_log(YLOG_LOG, "DUP level=%d", p->look_level);
+ pkey(*dst, *insertMode);
+#endif
+ (*dst) += p->sz_1;
+ return 1;
}
- more = read_one (inf, cur_name, key_buf);
- while (more) /* EOF ? */
+ if (p->ret == 0) /* lookahead was 0?. Return that in read next round */
{
- int nmemb;
- key_buf_ptr = KEY_SIZE;
- while (1)
+ p->ret = -1;
+ return 0;
+ }
+ else if (p->ret == -1) /* Must read new item ? */
+ {
+ char *dst_1 = p->key_1;
+ p->ret = heap_cread_item(vp, &dst_1, &p->mode_1);
+ p->sz_1 = dst_1 - p->key_1;
+ }
+ else
+ { /* lookahead in 2 . Now in 1. */
+ p->sz_1 = p->sz_2;
+ p->mode_1 = p->mode_2;
+ memcpy(p->key_1, p->key_2, p->sz_2);
+ }
+ if (p->mode_1)
+ level = 1; /* insert */
+ else
+ level = -1; /* delete */
+ while(1)
+ {
+ char *dst_2 = p->key_2;
+ p->ret = heap_cread_item(vp, &dst_2, &p->mode_2);
+ if (!p->ret)
{
- if (!(more = read_one (inf, next_name, next_key)))
+ if (level)
break;
- if (*next_name && strcmp (next_name, cur_name))
+ p->ret = -1;
+ return 0;
+ }
+ p->sz_2 = dst_2 - p->key_2;
+
+ if (key_compare(p->key_1, p->key_2) == 0)
+ {
+ if (p->mode_2) /* adjust level according to deletes/inserts */
+ level++;
+ else
+ level--;
+ }
+ else
+ {
+ if (level)
break;
- memcpy (key_buf + key_buf_ptr, next_key, KEY_SIZE);
- key_buf_ptr += KEY_SIZE;
- if (key_buf_ptr+KEY_SIZE >= key_buf_size)
+ /* all the same. new round .. */
+ p->sz_1 = p->sz_2;
+ p->mode_1 = p->mode_2;
+ memcpy(p->key_1, p->key_2, p->sz_1);
+ if (p->mode_1)
+ level = 1; /* insert */
+ else
+ level = -1; /* delete */
+ }
+ }
+ /* 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_TOP
+ yaz_log(YLOG_LOG, "TOP");
+ pkey(*dst, *insertMode);
+#endif
+ (*dst) += p->sz_1;
+ return 1;
+}
+
+int heap_cread_item(void *vp, char **dst, int *insertMode)
+{
+ struct heap_cread_info *p = (struct heap_cread_info *) vp;
+ struct heap_info *hi = p->hi;
+
+ if (p->first_in_list)
+ {
+ *insertMode = p->key[0];
+ memcpy(*dst, p->key+1, sizeof(struct it_key));
+#if PR_KEY_LOW
+ zebra_log_dict_entry(hi->zh, p->cur_name);
+ pkey(*dst, *insertMode);
+#endif
+ (*dst) += sizeof(struct it_key);
+ p->first_in_list = 0;
+ return 1;
+ }
+ strcpy(p->prev_name, p->cur_name);
+ if (!(p->more = heap_read_one(hi, p->cur_name, p->key)))
+ return 0;
+ if (*p->cur_name && strcmp(p->cur_name, p->prev_name))
+ {
+ p->first_in_list = 1;
+ return 0;
+ }
+ *insertMode = p->key[0];
+ memcpy(*dst, p->key+1, sizeof(struct it_key));
+#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_cread_info *hci, struct heap_info *hi)
+{
+ ISAMC_I *isamc_i = (ISAMC_I *) xmalloc(sizeof(*isamc_i));
+
+ isamc_i->clientData = hci;
+ isamc_i->read_item = heap_cread_item2;
+
+ 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[0]);
+ hi->no_diffs++;
+ 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_merge(hi->reg->isamc, &isamc_p2, isamc_i);
+ if (!isamc_p2)
{
- char *new_key_buf;
- new_key_buf = xmalloc (key_buf_size + INP_BUF_ADD);
- memcpy (new_key_buf, key_buf, key_buf_size);
- key_buf_size += INP_BUF_ADD;
- xfree (key_buf);
- key_buf = new_key_buf;
+ hi->no_deletions++;
+ if (!dict_delete(hi->reg->dict, this_name))
+ abort();
+ }
+ else
+ {
+ hi->no_updates++;
+ if (isamc_p2 != isamc_p)
+ dict_insert(hi->reg->dict, this_name,
+ sizeof(ISAM_P), &isamc_p2);
}
}
- no_diffs++;
- nmemb = key_buf_ptr / KEY_SIZE;
- assert (nmemb*KEY_SIZE == key_buf_ptr);
- if ((info = dict_lookup (dict, cur_name)))
+ else
{
- ISAM_P isam_p, isam_p2;
- logf (LOG_DEBUG, "updating %s", cur_name);
- no_updates++;
- memcpy (&isam_p, info+1, sizeof(ISAM_P));
- isam_p2 = is_merge (isam, isam_p, nmemb, key_buf);
- if (isam_p2 != isam_p)
- dict_insert (dict, cur_name, sizeof(ISAM_P), &isam_p2);
+ isamc_p = 0;
+ isamc_merge(hi->reg->isamc, &isamc_p, isamc_i);
+ hi->no_insertions++;
+ if (isamc_p)
+ dict_insert(hi->reg->dict, this_name,
+ sizeof(ISAM_P), &isamc_p);
+ }
+ }
+ xfree(isamc_i);
+ return 0;
+}
+
+int heap_inpb(struct heap_cread_info *hci, struct heap_info *hi)
+{
+ ISAMC_I *isamc_i = (ISAMC_I *) xmalloc(sizeof(*isamc_i));
+
+ isamc_i->clientData = hci;
+ isamc_i->read_item = heap_cread_item2;
+
+ 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[0]);
+ hi->no_diffs++;
+
+#if 0
+ assert(hi->zh);
+ zebra_log_dict_entry(hi->zh, hci->cur_name);
+#endif
+ if ((dict_info = dict_lookup(hi->reg->dict, hci->cur_name)))
+ {
+ memcpy(&isamc_p, dict_info+1, sizeof(ISAM_P));
+ isamc_p2 = isamc_p;
+ isamb_merge(hi->reg->isamb, &isamc_p2, isamc_i);
+ if (!isamc_p2)
+ {
+ hi->no_deletions++;
+ if (!dict_delete(hi->reg->dict, this_name))
+ abort();
+ }
+ else
+ {
+ hi->no_updates++;
+ if (isamc_p2 != isamc_p)
+ dict_insert(hi->reg->dict, this_name,
+ sizeof(ISAM_P), &isamc_p2);
+ }
}
else
{
- ISAM_P isam_p;
- logf (LOG_DEBUG, "inserting %s", cur_name);
- no_insertions++;
- isam_p = is_merge (isam, 0, nmemb, key_buf);
- dict_insert (dict, cur_name, sizeof(ISAM_P), &isam_p);
+ isamc_p = 0;
+ isamb_merge(hi->reg->isamb, &isamc_p, isamc_i);
+ hi->no_insertions++;
+ if (isamc_p)
+ dict_insert(hi->reg->dict, this_name,
+ sizeof(ISAM_P), &isamc_p);
}
- memcpy (key_buf, next_key, KEY_SIZE);
- strcpy (cur_name, next_name);
}
- fclose (inf);
+ xfree(isamc_i);
return 0;
}
-void key_input (const char *dict_fname, const char *isam_fname,
- const char *key_fname, int cache)
+int heap_inps(struct heap_cread_info *hci, struct heap_info *hi)
+{
+ ISAMS_I isams_i = (ISAMS_I) xmalloc(sizeof(*isams_i));
+
+ isams_i->clientData = hci;
+ isams_i->read_item = heap_cread_item;
+
+ 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[0]);
+ hi->no_diffs++;
+ if (!(dict_info = dict_lookup(hi->reg->dict, hci->cur_name)))
+ {
+ isams_p = isams_merge(hi->reg->isams, isams_i);
+ hi->no_insertions++;
+ dict_insert(hi->reg->dict, this_name, sizeof(ISAM_P), &isams_p);
+ }
+ else
+ {
+ yaz_log(YLOG_FATAL, "isams doesn't support this kind of update");
+ break;
+ }
+ }
+ xfree(isams_i);
+ return 0;
+}
+
+struct progressInfo {
+ time_t startTime;
+ time_t lastTime;
+ off_t totalBytes;
+ off_t totalOffset;
+};
+
+void progressFunc(struct key_file *keyp, void *info)
+{
+ struct progressInfo *p = (struct progressInfo *) info;
+ time_t now, remaining;
+
+ if (keyp->buf_size <= 0 || p->totalBytes <= 0)
+ return ;
+ time (&now);
+
+ if (now >= p->lastTime+10)
+ {
+ p->lastTime = now;
+ 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",
+ (100.0*p->totalOffset) / p->totalBytes, (long) remaining);
+ else
+ 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;
+}
+
+#ifndef R_OK
+#define R_OK 4
+#endif
+
+void zebra_index_merge(ZebraHandle zh)
{
- Dict dict;
- ISAM isam;
+ struct key_file **kf = 0;
+ char rbuf[1024];
+ int i, r;
+ struct heap_info *hi;
+ struct progressInfo progressInfo;
+ int nkeys = key_block_get_no_files(zh->reg->key_block);
+
+ if (nkeys == 0)
+ return;
- dict = dict_open (dict_fname, cache, 1);
- if (!dict)
+ if (nkeys < 0)
{
- logf (LOG_FATAL, "dict_open fail of `%s'", dict_fname);
- exit (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 ;
}
- isam = is_open (isam_fname, key_compare, 1, sizeof(struct it_key));
- if (!isam)
+ 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++)
{
- logf (LOG_FATAL, "is_open fail of `%s'", isam_fname);
- exit (1);
+ 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;
}
- inp (dict, isam, key_fname);
- dict_close (dict);
- is_close (isam);
- logf (LOG_LOG, "Iterations . . .%7d", no_iterations);
- logf (LOG_LOG, "Distinct words .%7d", no_diffs);
- logf (LOG_LOG, "Updates. . . . .%7d", no_updates);
- logf (LOG_LOG, "Insertions . . .%7d", no_insertions);
+ 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;
+
+ 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);
+ }
+
+ 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);
+ if (hi->no_iterations)
+ { /* do not log if nothing happened */
+ 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);
+ }
+ key_block_destroy(&zh->reg->key_block);
+ key_heap_destroy(hi, nkeys);
}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+