* Sebastian Hammer, Adam Dickmeiss
*
* $Log: extract.c,v $
- * Revision 1.23 1995-10-27 14:00:10 adam
+ * Revision 1.27 1995-11-20 16:59:45 adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.26 1995/11/20 11:56:24 adam
+ * Work on new traversal.
+ *
+ * Revision 1.25 1995/11/16 15:34:54 adam
+ * Uses new record management system in both indexer and server.
+ *
+ * Revision 1.24 1995/11/15 19:13:08 adam
+ * Work on record management.
+ *
+ * Revision 1.23 1995/10/27 14:00:10 adam
* Implemented detection of database availability.
*
* Revision 1.22 1995/10/17 18:02:07 adam
#include <recctrl.h>
#include "index.h"
+#if RECORD_BASE
+#include "recindex.h"
+#endif
+
static Dict file_idx;
-static SYSNO sysno_next;
+
+
+#if RECORD_BASE
+static Records records = NULL;
+#else
static int sys_idx_fd = -1;
+static SYSNO sysno_next;
+#endif
static int key_cmd;
static int key_sysno;
-static char *key_databaseName;
+static const char *key_databaseName;
static char **key_buf;
static size_t ptr_top;
static size_t ptr_i;
-static size_t kused;
+static size_t key_buf_used;
static int key_file_no;
+static int key_del_max;
+static int key_del_used;
+static char *key_del_buf;
+
void key_open (int mem)
{
+#if !RECORD_BASE
void *file_key;
-
+#endif
if (mem < 50000)
mem = 50000;
key_buf = xmalloc (mem);
ptr_top = mem/sizeof(char*);
ptr_i = 0;
- kused = 0;
+
+ key_buf_used = 0;
key_file_no = 0;
+ key_del_buf = NULL;
+ key_del_max = 0;
+
if (!(file_idx = dict_open (FNAME_FILE_DICT, 40, 1)))
{
logf (LOG_FATAL, "dict_open fail of %s", "fileidx");
exit (1);
}
+#if RECORD_BASE
+ assert (!records);
+ records = rec_open (1);
+#else
file_key = dict_lookup (file_idx, ".");
if (file_key)
memcpy (&sysno_next, (char*)file_key+1, sizeof(sysno_next));
logf (LOG_FATAL|LOG_ERRNO, "open %s", FNAME_SYS_IDX);
exit (1);
}
+#endif
}
struct encode_info {
}
logf (LOG_LOG, "finished section %d", key_file_no);
ptr_i = 0;
- kused = 0;
+ key_buf_used = 0;
}
int key_close (void)
{
key_flush ();
xfree (key_buf);
+#if RECORD_BASE
+ rec_close (&records);
+#else
close (sys_idx_fd);
dict_insert (file_idx, ".", sizeof(sysno_next), &sysno_next);
+#endif
dict_close (file_idx);
+
+ xfree (key_del_buf);
+ key_del_buf = NULL;
+ key_del_max = 0;
return key_file_no;
}
struct it_key key;
size_t i;
- if (kused + 1024 > (ptr_top-ptr_i)*sizeof(char*))
+ if (key_buf_used + 1024 > (ptr_top-ptr_i)*sizeof(char*))
key_flush ();
++ptr_i;
- key_buf[ptr_top-ptr_i] = (char*)key_buf + kused;
- kused += index_word_prefix ((char*)key_buf + kused,
+ key_buf[ptr_top-ptr_i] = (char*)key_buf + key_buf_used;
+ key_buf_used += index_word_prefix ((char*)key_buf + key_buf_used,
p->attrSet, p->attrUse,
key_databaseName);
switch (p->which)
{
case Word_String:
for (i = 0; p->u.string[i]; i++)
- ((char*)key_buf) [kused++] = index_char_cvt (p->u.string[i]);
- ((char*)key_buf) [kused++] = '\0';
+ ((char*)key_buf) [key_buf_used++] =
+ index_char_cvt (p->u.string[i]);
+ ((char*)key_buf) [key_buf_used++] = '\0';
break;
default:
return ;
}
- ((char*) key_buf)[kused++] = ((key_cmd == 'a') ? 1 : 0);
+ ((char*) key_buf)[key_buf_used++] = ((key_cmd == 'a') ? 1 : 0);
key.sysno = key_sysno;
key.seqno = p->seqno;
- memcpy ((char*)key_buf + kused, &key, sizeof(key));
- kused += sizeof(key);
+ memcpy ((char*)key_buf + key_buf_used, &key, sizeof(key));
+ key_buf_used += sizeof(key);
+
+ if (key_cmd == 'a' && key_del_used >= 0)
+ {
+ char attrSet;
+ short attrUse;
+ if (key_del_used + 1024 > key_del_max)
+ {
+ char *kbn;
+
+ if (!(kbn = malloc (key_del_max += 64000)))
+ {
+ logf (LOG_FATAL, "malloc");
+ exit (1);
+ }
+ if (key_del_buf)
+ memcpy (kbn, key_del_buf, key_del_used);
+ free (key_del_buf);
+ key_del_buf = kbn;
+ }
+ switch (p->which)
+ {
+ case Word_String:
+ for (i = 0; p->u.string[i]; i++)
+ ((char*)key_del_buf) [key_del_used++] = p->u.string[i];
+ ((char*)key_del_buf) [key_del_used++] = '\0';
+ break;
+ default:
+ return ;
+ }
+ attrSet = p->attrSet;
+ memcpy (key_del_buf + key_del_used, &attrSet, sizeof(attrSet));
+ key_del_used += sizeof(attrSet);
+
+ attrUse = p->attrUse;
+ memcpy (key_del_buf + key_del_used, &attrUse, sizeof(attrUse));
+ key_del_used += sizeof(attrUse);
+
+ memcpy (key_del_buf + key_del_used, &p->seqno, sizeof(p->seqno));
+ key_del_used += sizeof(p->seqno);
+ }
}
static void wordAddAny (const RecWord *p)
wordAdd (p);
}
-
-#define FILE_READ_BUF 1
-#if FILE_READ_BUF
static char *file_buf;
static int file_offset;
static int file_bufsize;
file_offset += count;
return count;
}
-#else
-static int file_read (int fd, char *buf, size_t count)
-{
- return read (fd, buf, count);
-}
-#endif
-void file_extract (int cmd, const char *fname, const char *kname,
- char *databaseName)
+
+SYSNO file_extract (int cmd, const char *fname, const char *kname,
+ char *databaseName)
{
int i, r;
char ext[128];
struct recExtractCtrl extractCtrl;
RecType rt;
+ key_del_used = -1;
key_databaseName = databaseName;
for (i = strlen(fname); --i >= 0; )
if (fname[i] == '/')
}
sprintf (ext_res, "fileExtension.%s", ext);
if (!(file_type = res_get (common_resource, ext_res)))
- return;
+ return 0;
if (!(rt = recType_byName (file_type)))
- return;
+ return 0;
logf (LOG_DEBUG, "%c %s k=%s", cmd, fname, kname);
file_info = dict_lookup (file_idx, kname);
if (!file_info)
{
+#if RECORD_BASE
+ Record rec = rec_new (records);
+
+ sysno = rec->sysno;
+ dict_insert (file_idx, kname, sizeof(sysno), &sysno);
+ rec->info[0] = rec_strdup (file_type, &rec->size[0]);
+ rec->info[1] = rec_strdup (kname, &rec->size[1]);
+ rec_put (records, &rec);
+#else
sysno = sysno_next++;
dict_insert (file_idx, kname, sizeof(sysno), &sysno);
lseek (sys_idx_fd, sysno * SYS_IDX_ENTRY_LEN, SEEK_SET);
write (sys_idx_fd, file_type, strlen (file_type)+1);
write (sys_idx_fd, kname, strlen(kname)+1);
+#endif
}
else
memcpy (&sysno, (char*) file_info+1, sizeof(sysno));
if ((extractCtrl.fd = open (fname, O_RDONLY)) == -1)
{
logf (LOG_WARN|LOG_ERRNO, "open %s", fname);
- return;
+ return 0;
}
extractCtrl.subType = "";
extractCtrl.init = wordInit;
extractCtrl.add = wordAddAny;
-#if FILE_READ_BUF
+
file_read_start (extractCtrl.fd);
-#endif
+
extractCtrl.readf = file_read;
key_sysno = sysno;
key_cmd = cmd;
r = (*rt->extract)(&extractCtrl);
-#if FILE_READ_BUF
+
file_read_stop (extractCtrl.fd);
+
+ close (extractCtrl.fd);
+ if (r)
+ logf (LOG_WARN, "Couldn't extract file %s, code %d", fname, r);
+ return sysno;
+}
+
+int fileExtract (SYSNO *sysno, const char *fname, const char *databaseName,
+ int deleteFlag)
+{
+ int i, r;
+ char ext[128];
+ char ext_res[128];
+ const char *file_type;
+ struct recExtractCtrl extractCtrl;
+ RecType rt;
+ Record rec;
+
+ logf (LOG_DEBUG, "fileExtractAdd %s", fname);
+
+ key_del_used = 0;
+ for (i = strlen(fname); --i >= 0; )
+ if (fname[i] == '/')
+ {
+ strcpy (ext, "");
+ break;
+ }
+ else if (fname[i] == '.')
+ {
+ strcpy (ext, fname+i+1);
+ break;
+ }
+ sprintf (ext_res, "fileExtension.%s", ext);
+ if (!(file_type = res_get (common_resource, ext_res)))
+ return 0;
+ if (!(rt = recType_byName (file_type)))
+ return 0;
+
+ if ((extractCtrl.fd = open (fname, O_RDONLY)) == -1)
+ {
+ logf (LOG_WARN|LOG_ERRNO, "open %s", fname);
+ return 0;
+ }
+
+ extractCtrl.subType = "";
+ extractCtrl.init = wordInit;
+ extractCtrl.add = wordAddAny;
+
+ if (! *sysno)
+ {
+ logf (LOG_LOG, "add record %s", fname);
+ rec = rec_new (records);
+ *sysno = rec->sysno;
+ rec->info[0] = rec_strdup (file_type, &rec->size[0]);
+ rec->info[1] = rec_strdup (fname, &rec->size[1]);
+ rec->info[3] = rec_strdup (databaseName, &rec->size[3]);
+ }
+ else
+ {
+ size_t off;
+ char *kb;
+
+ if (deleteFlag)
+ logf (LOG_LOG, "delete record %s", fname);
+ else
+ logf (LOG_LOG, "update record %s", fname);
+ rec = rec_get (records, *sysno);
+
+ key_cmd = 'd';
+ key_sysno = *sysno;
+ key_databaseName = rec->info[3];
+ kb = rec->info[2];
+ for (off = 0; off < rec->size[2]; )
+ {
+ RecWord rw;
+ char attrSet;
+ short attrUse;
+
+ rw.which = Word_String;
+ rw.u.string = kb + off;
+ while (kb[off])
+ off++;
+ off++;
+ memcpy (&attrSet, kb + off, sizeof(attrSet));
+ off += sizeof(attrSet);
+ memcpy (&attrUse, kb + off, sizeof(attrUse));
+ off += sizeof(attrUse);
+ memcpy (&rw.seqno, kb + off, sizeof(rw.seqno));
+ off += sizeof(rw.seqno);
+ rw.attrSet = attrSet;
+ rw.attrUse = attrUse;
+
+ (*extractCtrl.add) (&rw);
+ }
+ assert (off == rec->size[2]);
+ free (rec->info[2]);
+ rec->info[2] = NULL;
+ rec->size[2] = 0;
+
+ free (rec->info[3]);
+ rec->info[3] = rec_strdup (databaseName, &rec->size[3]);
+ }
+
+ if (deleteFlag)
+ {
+#if 0
+ rec_del (records, *sysno);
+ rec_rm (&rec);
#endif
+ return 1;
+ }
+
+ key_databaseName = databaseName;
+ key_sysno = *sysno;
+ key_cmd = 'a';
+
+ file_read_start (extractCtrl.fd);
+ extractCtrl.readf = file_read;
+ r = (*rt->extract)(&extractCtrl);
+ file_read_stop (extractCtrl.fd);
+
close (extractCtrl.fd);
if (r)
+ {
+ rec_rm (&rec);
logf (LOG_WARN, "Couldn't extract file %s, code %d", fname, r);
+ return 0;
+ }
+ if (key_del_used > 0)
+ {
+ rec->size[2] = key_del_used;
+ rec->info[2] = malloc (rec->size[2]);
+ memcpy (rec->info[2], key_del_buf, rec->size[2]);
+ }
+ rec_put (records, &rec);
+ return 1;
}