2 * Copyright (C) 1995-1998, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.1 1998-03-05 08:45:13 adam
8 * New result set model and modular ranking system. Moved towards
9 * descent server API. System information stored as "SGML" records.
23 static int zebra_register_lock (ZebraHandle zh)
26 int state = zebra_server_lock_get_state(zh, &lastChange);
36 zebra_server_lock (zh, state);
40 if (zh->registerState == state)
42 if (zh->registerChange >= lastChange)
44 logf (LOG_LOG, "Register completely updated since last access");
46 else if (zh->registerState == -1)
47 logf (LOG_LOG, "Reading register using state %d pid=%ld", state,
50 logf (LOG_LOG, "Register has changed state from %d to %d",
51 zh->registerState, state);
52 zh->registerChange = lastChange;
55 zebraExplain_close (zh->zei, 0);
56 dict_close (zh->dict);
57 sortIdx_close (zh->sortIdx);
61 isc_close (zh->isamc);
62 rec_close (&zh->records);
64 bf_cache (zh->bfs, state ? res_get (zh->res, "shadow") : NULL);
65 zh->registerState = state;
66 zh->records = rec_open (zh->bfs, 0);
67 if (!(zh->dict = dict_open (zh->bfs, FNAME_DICT, 40, 0)))
69 if (!(zh->sortIdx = sortIdx_open (zh->bfs, 0)))
73 if (!res_get_match (zh->res, "isam", "i", NULL))
75 if (!(zh->isamc = isc_open (zh->bfs, FNAME_ISAMC,
76 0, key_isamc_m(zh->res))))
82 if (!(zh->isam = is_open (zh->bfs, FNAME_ISAM, key_compare, 0,
83 sizeof (struct it_key), zh->res)))
86 zh->zei = zebraExplain_open (zh->records, zh->dh, 0);
91 static void zebra_register_unlock (ZebraHandle zh)
93 static int waitSec = -1;
97 logf (LOG_LOG, "user/system: %ld/%ld",
98 (long) (zh->tms2.tms_utime - zh->tms1.tms_utime),
99 (long) (zh->tms2.tms_stime - zh->tms1.tms_stime));
103 char *s = res_get (zh->res, "debugRequestWait");
114 if (zh->registerState != -1)
115 zebra_server_unlock (zh, zh->registerState);
118 ZebraHandle zebra_open (const char *host, const char *configName)
120 ZebraHandle zh = xmalloc (sizeof(*zh));
122 if (!(zh->res = res_open (configName)))
124 logf (LOG_WARN, "Failed to read resources `%s'", configName);
127 zebra_server_lock_init (zh);
128 zh->dh = data1_create ();
129 zh->bfs = bfs_create (res_get (zh->res, "register"));
130 bf_lockDir (zh->bfs, res_get (zh->res, "lockDir"));
131 data1_set_tabpath (zh->dh, res_get(zh->res, "profilePath"));
133 zh->registerState = -1; /* trigger open of registers! */
134 zh->registerChange = 0;
137 zh->registered_sets = NULL;
138 zh->zebra_maps = zebra_maps_open (zh->res);
139 zh->rank_classes = NULL;
141 zebraRankInstall (zh, rank1_class);
145 void zebra_close (ZebraHandle zh)
149 resultSetDestroy (zh);
150 zebraExplain_close (zh->zei, 0);
151 dict_close (zh->dict);
152 sortIdx_close (zh->sortIdx);
156 isc_close (zh->isamc);
157 rec_close (&zh->records);
158 zebra_register_unlock (zh);
160 zebra_maps_close (zh->zebra_maps);
161 zebraRankDestroy (zh);
162 bfs_destroy (zh->bfs);
163 data1_destroy (zh->dh);
164 zebra_server_lock_destroy (zh);
170 void zebra_search_rpn (ZebraHandle zh, ODR stream,
171 Z_RPNQuery *query, int num_bases, char **basenames,
174 zebra_register_lock (zh);
176 zh->errString = NULL;
178 rpn_search (zh, stream, query, num_bases, basenames, setname);
179 zebra_register_unlock (zh);
182 void zebra_records_retrieve (ZebraHandle zh, ODR stream,
183 const char *setname, Z_RecordComposition *comp,
184 oid_value input_format, int num_recs,
185 ZebraRetrievalRecord *recs)
190 pos_array = xmalloc (sizeof(*pos_array));
191 for (i = 0; i<num_recs; i++)
192 pos_array[i] = recs[i].position;
194 zebra_register_lock (zh);
196 poset = zebraPosSetCreate (zh, setname, num_recs, pos_array);
199 logf (LOG_DEBUG, "zebraPosSetCreate error");
204 for (i = 0; i<num_recs; i++)
209 logf (LOG_DEBUG, "Out of range. pos=%d", pos_array[i]);
214 zebra_record_fetch (zh, poset[i].sysno, poset[i].score,
215 stream, input_format, comp,
216 &recs[i].format, &recs[i].buf,
221 zebraPosSetDestroy (zh, poset, num_recs);
223 zebra_register_unlock (zh);
227 void zebra_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
228 oid_value attributeset,
229 int num_bases, char **basenames,
230 int *position, int *num_entries, ZebraScanEntry **entries,
233 zebra_register_lock (zh);
234 rpn_scan (zh, stream, zapt, attributeset,
235 num_bases, basenames, position,
236 num_entries, entries, is_partial);
237 zebra_register_unlock (zh);
240 void zebra_sort (ZebraHandle zh, ODR stream,
241 int num_input_setnames, char **input_setnames,
242 char *output_setname, Z_SortKeySpecList *sort_sequence,
245 zebra_register_lock (zh);
246 resultSetSort (zh, stream, num_input_setnames, input_setnames,
247 output_setname, sort_sequence, sort_status);
248 zebra_register_unlock (zh);
251 void zebra_setDB (ZebraHandle zh, int num_bases, char **basenames)
256 void zebra_setRecordType (ZebraHandle zh, const char *type)
261 void zebra_setGroup (ZebraHandle zh, const char *group)
266 void zebra_admin (ZebraHandle zh, const char *command)