+
+static ZEBRA_RES zebra_flush_reg (ZebraHandle zh)
+{
+ ZEBRA_CHECK_HANDLE(zh);
+ yaz_log(log_level, "zebra_flush_reg");
+ zebraExplain_flush (zh->reg->zei, zh);
+
+ key_block_flush(zh->reg->key_block, 1);
+
+ zebra_index_merge(zh);
+ return ZEBRA_OK;
+}
+
+static struct zebra_register *zebra_register_open(ZebraService zs,
+ const char *name,
+ int rw, int useshadow,
+ Res res,
+ const char *reg_path);
+static void zebra_register_close(ZebraService zs, struct zebra_register *reg);
+
+ZebraHandle zebra_open(ZebraService zs, Res res)
+{
+ ZebraHandle zh;
+ const char *default_encoding;
+ if (!log_level_initialized)
+ {
+ log_level = yaz_log_module_level("zebraapi");
+ log_level_initialized = 1;
+ }
+
+ yaz_log(log_level, "zebra_open");
+
+ if (!zs)
+ return 0;
+
+ zh = (ZebraHandle) xmalloc(sizeof(*zh));
+ yaz_log (YLOG_DEBUG, "zebra_open zs=%p returns %p", zs, zh);
+
+ zh->service = zs;
+ zh->reg = 0; /* no register attached yet */
+ zh->sets = 0;
+ zh->destroyed = 0;
+ zh->errCode = 0;
+ zh->errString = 0;
+ zh->res = 0;
+ zh->session_res = res_open(zs->global_res, res);
+ zh->user_perm = 0;
+ zh->dbaccesslist = 0;
+
+ zh->reg_name = xstrdup ("");
+ zh->path_reg = 0;
+ zh->num_basenames = 0;
+ zh->basenames = 0;
+
+ zh->approx_limit = DEFAULT_APPROX_LIMIT;
+ zh->trans_no = 0;
+ zh->trans_w_no = 0;
+
+ zh->lock_normal = 0;
+ zh->lock_shadow = 0;
+
+ zh->shadow_enable = 1;
+ zh->m_staticrank = 0;
+ zh->m_segment_indexing = 0;
+
+ zh->break_handler_func = 0;
+ zh->break_handler_data = 0;
+
+ default_encoding = res_get_def(zh->session_res, "encoding", "ISO-8859-1");
+
+ zh->iconv_to_utf8 =
+ yaz_iconv_open ("UTF-8", default_encoding);
+ if (zh->iconv_to_utf8 == 0)
+ yaz_log (YLOG_WARN, "iconv: %s to UTF-8 unsupported",
+ default_encoding);
+ zh->iconv_from_utf8 =
+ yaz_iconv_open (default_encoding, "UTF-8");
+ if (zh->iconv_to_utf8 == 0)
+ yaz_log (YLOG_WARN, "iconv: UTF-8 to %s unsupported",
+ default_encoding);
+
+ zh->record_encoding = 0;
+
+ zebra_mutex_cond_lock (&zs->session_lock);
+
+ zh->next = zs->sessions;
+ zs->sessions = zh;
+
+ zebra_mutex_cond_unlock (&zs->session_lock);
+
+ zh->store_data_buf = 0;
+
+ zh->m_limit = zebra_limit_create(1, 0);
+
+ zh->nmem_error = nmem_create();
+
+ return zh;
+}
+
+ZebraService zebra_start(const char *configName)
+{
+ return zebra_start_res(configName, 0, 0);
+}
+
+ZebraService zebra_start_res(const char *configName, Res def_res, Res over_res)
+{
+ Res res;
+
+ zebra_flock_init();
+
+ if (!log_level_initialized)
+ {
+ log_level = yaz_log_module_level("zebraapi");
+ log_level_initialized = 1;
+ }
+
+ yaz_log(YLOG_LOG, "zebra_start %s %s", ZEBRAVER,
+ configName ? configName : "");
+
+ if ((res = res_open(def_res, over_res)))
+ {
+ const char *passwd_plain = 0;
+ const char *passwd_encrypt = 0;
+ const char *dbaccess = 0;
+ ZebraService zh = 0;
+
+ if (configName)
+ {
+ ZEBRA_RES ret = res_read_file(res, configName);
+ if (ret != ZEBRA_OK)
+ {
+ res_close(res);
+ return 0;
+ }
+ if (zebra_check_res(res))
+ {
+ yaz_log(YLOG_FATAL, "Configuration error(s) for %s",
+ configName);
+ return 0;
+ }
+ }
+ else
+ {
+ zebra_check_res(res);
+ }
+
+ zh = xmalloc(sizeof(*zh));
+ zh->global_res = res;
+ zh->sessions = 0;
+
+ zebra_chdir (zh);
+
+ zebra_mutex_cond_init (&zh->session_lock);
+ passwd_plain = res_get (zh->global_res, "passwd");
+ passwd_encrypt = res_get (zh->global_res, "passwd.c");
+ dbaccess = res_get (zh->global_res, "dbaccess");
+
+ if (!passwd_plain && !passwd_encrypt)
+ zh->passwd_db = NULL;
+ else
+ {
+ zh->passwd_db = passwd_db_open();
+ if (!zh->passwd_db)
+ yaz_log (YLOG_WARN|YLOG_ERRNO, "passwd_db_open failed");
+ else
+ {
+ if (passwd_plain)
+ passwd_db_file_plain(zh->passwd_db, passwd_plain);
+ if (passwd_encrypt)
+ passwd_db_file_crypt(zh->passwd_db, passwd_encrypt);
+ }
+ }
+
+ if (!dbaccess)
+ zh->dbaccess = NULL;
+ else {
+ zh->dbaccess = res_open(NULL, NULL);
+ if (res_read_file(zh->dbaccess, dbaccess) != ZEBRA_OK) {
+ yaz_log(YLOG_FATAL, "Failed to read %s", dbaccess);
+ return NULL;
+ }
+ }
+
+ zh->timing = yaz_timing_create();
+ zh->path_root = res_get (zh->global_res, "root");
+ zh->nmem = nmem_create();
+ zh->record_classes = recTypeClass_create (zh->global_res, zh->nmem);
+
+ if (1)
+ {
+ const char *module_path = res_get(res, "modulePath");
+ if (module_path)
+ recTypeClass_load_modules(&zh->record_classes, zh->nmem,
+ module_path);
+ }
+ return zh;
+ }
+ return 0;
+}
+
+void zebra_filter_info(ZebraService zs, void *cd,
+ void (*cb)(void *cd, const char *name))
+{
+ ASSERTZS;
+ assert(cb);
+ recTypeClass_info(zs->record_classes, cd, cb);
+}
+
+void zebra_pidfname(ZebraService zs, char *path)
+{
+ ASSERTZS;
+ zebra_lock_prefix (zs->global_res, path);
+ strcat(path, "zebrasrv.pid");
+}
+
+Dict dict_open_res (BFiles bfs, const char *name, int cache, int rw,
+ int compact_flag, Res res)
+{
+ int page_size = 4096;
+ char resource_str[200];
+ sprintf (resource_str, "dict.%.100s.pagesize", name);
+ assert(bfs);
+ assert(name);
+
+ if (res_get_int(res, resource_str, &page_size) == ZEBRA_OK)
+ yaz_log(YLOG_LOG, "Using custom dictionary page size %d for %s",
+ page_size, name);
+ return dict_open(bfs, name, cache, rw, compact_flag, page_size);
+}
+
+static
+struct zebra_register *zebra_register_open(ZebraService zs, const char *name,
+ int rw, int useshadow, Res res,
+ const char *reg_path)
+{
+ struct zebra_register *reg;
+ int record_compression = REC_COMPRESS_NONE;
+ const char *recordCompression = 0;
+ const char *profilePath;
+ char cwd[1024];
+ int sort_type = ZEBRA_SORT_TYPE_FLAT;
+ ZEBRA_RES ret = ZEBRA_OK;
+
+ ASSERTZS;
+
+ reg = xmalloc(sizeof(*reg));
+
+ assert (name);
+ reg->name = xstrdup (name);
+
+ reg->seqno = 0;
+ reg->last_val = 0;
+
+ assert (res);
+
+ yaz_log (YLOG_DEBUG, "zebra_register_open rw=%d useshadow=%d p=%p n=%s rp=%s",
+ rw, useshadow, reg, name, reg_path ? reg_path : "(none)");
+
+ reg->dh = data1_create();
+ if (!reg->dh)
+ {
+ xfree(reg->name);
+ xfree(reg);
+ return 0;
+ }
+ reg->bfs = bfs_create (res_get (res, "register"), reg_path);
+ if (!reg->bfs)
+ {
+ data1_destroy(reg->dh);
+ xfree(reg->name);
+ xfree(reg);
+ return 0;
+ }
+ if (useshadow)
+ {
+ if (bf_cache (reg->bfs, res_get (res, "shadow")) == ZEBRA_FAIL)
+ {
+ bfs_destroy(reg->bfs);
+ data1_destroy(reg->dh);
+ xfree(reg->name);
+ xfree(reg);
+ return 0;
+ }
+ }
+
+ getcwd(cwd, sizeof(cwd)-1);
+ profilePath = res_get_def(res, "profilePath", 0);
+
+ data1_set_tabpath (reg->dh, profilePath);
+ data1_set_tabroot (reg->dh, reg_path);
+ reg->recTypes = recTypes_init (zs->record_classes, reg->dh);
+
+ reg->zebra_maps =
+ zebra_maps_open(res, reg_path, profilePath);
+ if (!reg->zebra_maps)
+ {
+ recTypes_destroy(reg->recTypes);
+ bfs_destroy(reg->bfs);
+ data1_destroy(reg->dh);
+ xfree(reg->name);
+ xfree(reg);
+ return 0;
+ }
+ reg->rank_classes = NULL;
+
+ reg->key_block = 0;
+ reg->keys = zebra_rec_keys_open();
+
+ reg->sortKeys = zebra_rec_keys_open();
+
+ reg->records = 0;
+ reg->dict = 0;
+ reg->sort_index = 0;
+ reg->isams = 0;
+ reg->matchDict = 0;
+ reg->isamc = 0;
+ reg->isamb = 0;
+ reg->zei = 0;
+
+ /* installing rank classes */
+ zebraRankInstall (reg, rank_1_class);
+ zebraRankInstall (reg, rank_similarity_class);
+ zebraRankInstall (reg, rank_static_class);
+
+ recordCompression = res_get_def (res, "recordCompression", "none");
+ if (!strcmp (recordCompression, "none"))
+ record_compression = REC_COMPRESS_NONE;
+ if (!strcmp (recordCompression, "bzip2"))
+ record_compression = REC_COMPRESS_BZIP2;
+
+ if (1)
+ {
+ const char *index_fname = res_get_def(res, "index", "default.idx");
+ if (index_fname && *index_fname)
+ {
+ if (zebra_maps_read_file(reg->zebra_maps, index_fname) != ZEBRA_OK)
+ ret = ZEBRA_FAIL;
+ }
+ }
+
+ if (!(reg->records = rec_open (reg->bfs, rw, record_compression)))
+ {
+ yaz_log (YLOG_WARN, "rec_open failed");
+ ret = ZEBRA_FAIL;
+ }
+ if (rw)
+ {
+ reg->matchDict = dict_open_res (reg->bfs, GMATCH_DICT, 20, 1, 0, res);
+ }
+ if (!(reg->dict = dict_open_res (reg->bfs, FNAME_DICT, 40, rw, 0, res)))
+ {
+ yaz_log (YLOG_WARN, "dict_open failed");
+ ret = ZEBRA_FAIL;
+ }
+
+
+ if (res_get_match (res, "sortindex", "f", "f"))
+ sort_type = ZEBRA_SORT_TYPE_FLAT;
+ else if (res_get_match (res, "sortindex", "i", "f"))
+ sort_type = ZEBRA_SORT_TYPE_ISAMB;
+ else
+ {
+ yaz_log (YLOG_WARN, "bad_value for 'sortindex'");
+ ret = ZEBRA_FAIL;
+ }
+
+
+ if (!(reg->sort_index = zebra_sort_open(reg->bfs, rw, sort_type)))
+ {
+ yaz_log (YLOG_WARN, "zebra_sort_open failed");
+ ret = ZEBRA_FAIL;
+ }
+ if (res_get_match (res, "isam", "s", ISAM_DEFAULT))
+ {
+ struct ISAMS_M_s isams_m;
+ if (!(reg->isams = isams_open (reg->bfs, FNAME_ISAMS, rw,
+ key_isams_m(res, &isams_m))))
+ {
+ yaz_log (YLOG_WARN, "isams_open failed");
+ ret = ZEBRA_FAIL;
+ }
+ }
+ if (res_get_match (res, "isam", "c", ISAM_DEFAULT))
+ {
+ struct ISAMC_M_s isamc_m;
+ if (!(reg->isamc = isamc_open (reg->bfs, FNAME_ISAMC,
+ rw, key_isamc_m(res, &isamc_m))))
+ {
+ yaz_log (YLOG_WARN, "isamc_open failed");
+ ret = ZEBRA_FAIL;
+ }
+ }
+ if (res_get_match (res, "isam", "b", ISAM_DEFAULT))
+ {
+ struct ISAMC_M_s isamc_m;
+
+ if (!(reg->isamb = isamb_open (reg->bfs, "isamb",
+ rw, key_isamc_m(res, &isamc_m), 0)))
+ {
+ yaz_log (YLOG_WARN, "isamb_open failed");
+ ret = ZEBRA_FAIL;
+ }
+ }
+ if (res_get_match (res, "isam", "bc", ISAM_DEFAULT))
+ {
+ struct ISAMC_M_s isamc_m;
+
+ if (!(reg->isamb = isamb_open (reg->bfs, "isamb",
+ rw, key_isamc_m(res, &isamc_m), 1)))
+ {
+ yaz_log (YLOG_WARN, "isamb_open failed");
+ ret = ZEBRA_FAIL;
+ }
+ }
+ if (res_get_match (res, "isam", "null", ISAM_DEFAULT))
+ {
+ struct ISAMC_M_s isamc_m;
+
+ if (!(reg->isamb = isamb_open (reg->bfs, "isamb",
+ rw, key_isamc_m(res, &isamc_m), -1)))
+ {
+ yaz_log (YLOG_WARN, "isamb_open failed");
+ ret = ZEBRA_FAIL;
+ }
+ }
+ if (ret == ZEBRA_OK)
+ {
+ reg->zei = zebraExplain_open(reg->records, reg->dh,
+ res, rw, reg,
+ zebra_extract_explain);
+ if (!reg->zei)
+ {
+ yaz_log (YLOG_WARN, "Cannot obtain EXPLAIN information");
+ ret = ZEBRA_FAIL;
+ }
+ }
+
+ if (ret != ZEBRA_OK)
+ {
+ zebra_register_close(zs, reg);
+ return 0;
+ }
+ yaz_log (YLOG_DEBUG, "zebra_register_open ok p=%p", reg);
+ return reg;
+}
+
+ZEBRA_RES zebra_admin_shutdown (ZebraHandle zh)
+{
+ ZEBRA_CHECK_HANDLE(zh);
+ yaz_log(log_level, "zebra_admin_shutdown");
+
+ zebra_mutex_cond_lock (&zh->service->session_lock);
+ zh->service->stop_flag = 1;
+ zebra_mutex_cond_unlock (&zh->service->session_lock);
+ return ZEBRA_OK;
+}
+
+ZEBRA_RES zebra_admin_start (ZebraHandle zh)
+{
+ ZebraService zs;
+ ZEBRA_CHECK_HANDLE(zh);
+ yaz_log(log_level, "zebra_admin_start");
+ zs = zh->service;
+ zebra_mutex_cond_lock (&zs->session_lock);
+ zebra_mutex_cond_unlock (&zs->session_lock);
+ return ZEBRA_OK;
+}
+
+static void zebra_register_close(ZebraService zs, struct zebra_register *reg)
+{
+ ASSERTZS;
+ assert(reg);
+ yaz_log(YLOG_DEBUG, "zebra_register_close p=%p", reg);
+ reg->stop_flag = 0;
+ zebra_chdir (zs);
+
+ zebraExplain_close (reg->zei);
+ dict_close (reg->dict);
+ if (reg->matchDict)
+ dict_close (reg->matchDict);
+ zebra_sort_close(reg->sort_index);
+ if (reg->isams)
+ isams_close (reg->isams);
+ if (reg->isamc)
+ isamc_close (reg->isamc);
+ if (reg->isamb)
+ isamb_close (reg->isamb);
+ rec_close (®->records);
+
+ recTypes_destroy (reg->recTypes);
+ zebra_maps_close (reg->zebra_maps);
+ zebraRankDestroy (reg);
+ bfs_destroy (reg->bfs);
+ data1_destroy (reg->dh);
+
+ zebra_rec_keys_close(reg->keys);
+ zebra_rec_keys_close(reg->sortKeys);
+
+ key_block_destroy(®->key_block);
+ xfree(reg->name);
+ xfree(reg);
+}
+
+ZEBRA_RES zebra_stop(ZebraService zs)
+{
+ if (!zs)
+ return ZEBRA_OK;
+ while (zs->sessions)
+ {
+ zebra_close (zs->sessions);
+ }
+
+ zebra_mutex_cond_destroy (&zs->session_lock);
+
+ if (zs->passwd_db)
+ passwd_db_close (zs->passwd_db);
+
+ recTypeClass_destroy(zs->record_classes);
+ nmem_destroy(zs->nmem);
+ res_close (zs->global_res);
+
+ yaz_timing_stop(zs->timing);
+ yaz_log (YLOG_LOG, "zebra_stop: %4.2f %4.2f %4.2f",
+ yaz_timing_get_real(zs->timing),
+ yaz_timing_get_user(zs->timing),
+ yaz_timing_get_sys(zs->timing));
+
+
+ yaz_timing_destroy(&zs->timing);
+ xfree(zs);
+ return ZEBRA_OK;
+}
+
+ZEBRA_RES zebra_close(ZebraHandle zh)
+{
+ ZebraService zs;
+ struct zebra_session **sp;
+ int i;
+
+ yaz_log(log_level, "zebra_close");
+ ZEBRA_CHECK_HANDLE(zh);
+
+ zh->errCode = 0;
+
+ zs = zh->service;
+ yaz_log (YLOG_DEBUG, "zebra_close zh=%p", zh);
+ resultSetDestroy (zh, -1, 0, 0);
+
+ if (zh->reg)
+ zebra_register_close(zh->service, zh->reg);
+ zebra_close_res (zh);
+ res_close(zh->session_res);
+
+ xfree(zh->record_encoding);
+
+ xfree(zh->dbaccesslist);
+
+ for (i = 0; i < zh->num_basenames; i++)
+ xfree(zh->basenames[i]);
+ xfree(zh->basenames);
+
+ if (zh->iconv_to_utf8 != 0)
+ yaz_iconv_close (zh->iconv_to_utf8);
+ if (zh->iconv_from_utf8 != 0)
+ yaz_iconv_close (zh->iconv_from_utf8);
+
+ zebra_mutex_cond_lock (&zs->session_lock);
+ zebra_lock_destroy (zh->lock_normal);
+ zebra_lock_destroy (zh->lock_shadow);
+ sp = &zs->sessions;
+ while (1)
+ {
+ assert (*sp);
+ if (*sp == zh)
+ {
+ *sp = (*sp)->next;
+ break;
+ }
+ sp = &(*sp)->next;
+ }
+ zebra_mutex_cond_unlock (&zs->session_lock);
+ xfree(zh->reg_name);
+ xfree(zh->user_perm);
+ zh->service = 0; /* more likely to trigger an assert */
+
+ zebra_limit_destroy(zh->m_limit);
+
+ nmem_destroy(zh->nmem_error);
+
+ xfree(zh->path_reg);
+ xfree(zh);
+ return ZEBRA_OK;
+}
+
+struct map_baseinfo {
+ ZebraHandle zh;
+ NMEM mem;
+ int num_bases;
+ char **basenames;
+ int new_num_bases;
+ char **new_basenames;
+ int new_num_max;
+};
+
+static void zebra_open_res(ZebraHandle zh)
+{
+ char fname[512];
+ ASSERTZH;
+ zh->errCode = 0;
+
+ if (zh->path_reg)
+ {
+ sprintf(fname, "%.200s/zebra.cfg", zh->path_reg);
+ zh->res = res_open(zh->session_res, 0);
+ res_read_file(zh->res, fname);
+ }
+ else if (*zh->reg_name == 0)
+ {
+ zh->res = res_open(zh->session_res, 0);
+ }
+ else
+ {
+ yaz_log (YLOG_WARN, "no register root specified");
+ zh->res = 0; /* no path for register - fail! */
+ }
+}
+
+static void zebra_close_res (ZebraHandle zh)
+{
+ ASSERTZH;
+ zh->errCode = 0;
+ res_close (zh->res);
+ zh->res = 0;
+}
+
+static void zebra_select_register (ZebraHandle zh, const char *new_reg)
+{
+ ASSERTZH;
+ zh->errCode = 0;
+ if (zh->res && strcmp (zh->reg_name, new_reg) == 0)
+ return;
+ if (!zh->res)
+ {
+ assert (zh->reg == 0);
+ assert (*zh->reg_name == 0);
+ }
+ else
+ {
+ if (zh->reg)
+ {
+ resultSetInvalidate (zh);
+ zebra_register_close(zh->service, zh->reg);
+ zh->reg = 0;
+ }
+ zebra_close_res(zh);
+ }
+ xfree(zh->reg_name);
+ zh->reg_name = xstrdup (new_reg);
+
+ xfree(zh->path_reg);
+ zh->path_reg = 0;
+ if (zh->service->path_root)
+ {
+ zh->path_reg = xmalloc(strlen(zh->service->path_root) +
+ strlen(zh->reg_name) + 3);
+ strcpy (zh->path_reg, zh->service->path_root);
+ if (*zh->reg_name)
+ {
+ strcat (zh->path_reg, "/");
+ strcat (zh->path_reg, zh->reg_name);
+ }
+ }
+ zebra_open_res(zh);
+
+ if (zh->lock_normal)
+ zebra_lock_destroy (zh->lock_normal);
+ zh->lock_normal = 0;
+
+ if (zh->lock_shadow)
+ zebra_lock_destroy (zh->lock_shadow);
+ zh->lock_shadow = 0;
+
+ if (zh->res)
+ {
+ char fname[512];
+ const char *lock_area = res_get (zh->res, "lockDir");
+
+ if (!lock_area && zh->path_reg)
+ res_set (zh->res, "lockDir", zh->path_reg);
+ sprintf (fname, "norm.%s.LCK", zh->reg_name);
+ zh->lock_normal =
+ zebra_lock_create (res_get(zh->res, "lockDir"), fname);
+
+ sprintf (fname, "shadow.%s.LCK", zh->reg_name);
+ zh->lock_shadow =
+ zebra_lock_create (res_get(zh->res, "lockDir"), fname);
+
+ if (!zh->lock_normal || !zh->lock_shadow)
+ {
+ if (zh->lock_normal)
+ {
+ zebra_lock_destroy(zh->lock_normal);
+ zh->lock_normal = 0;
+ }
+ if (zh->lock_shadow)
+ {
+ zebra_lock_destroy(zh->lock_shadow);
+ zh->lock_shadow = 0;
+ }
+ zebra_close_res(zh);
+ }
+ }
+ if (zh->res)
+ {
+ int approx = 0;
+ if (res_get_int(zh->res, "estimatehits", &approx) == ZEBRA_OK)
+ zebra_set_approx_limit(zh, approx);
+ }
+ if (zh->res)
+ {
+ if (res_get_int(zh->res, "staticrank", &zh->m_staticrank) == ZEBRA_OK)
+ yaz_log(YLOG_LOG, "static rank set and is %d", zh->m_staticrank);
+ }
+ if (zh->res)
+ {
+ if (res_get_int(zh->res, "segment", &zh->m_segment_indexing) ==
+ ZEBRA_OK)
+ {
+ yaz_log(YLOG_DEBUG, "segment indexing set and is %d",
+ zh->m_segment_indexing);
+ }
+ }
+}
+
+void map_basenames_func (void *vp, const char *name, const char *value)
+{
+ struct map_baseinfo *p = (struct map_baseinfo *) vp;
+ int i, no;
+ char fromdb[128], todb[8][128];
+
+ assert(value);
+ assert(name);
+ assert(vp);
+
+ no =
+ sscanf (value, "%127s %127s %127s %127s %127s %127s %127s %127s %127s",
+ fromdb, todb[0], todb[1], todb[2], todb[3], todb[4],
+ todb[5], todb[6], todb[7]);
+ if (no < 2)
+ return ;
+ no--;
+ for (i = 0; i<p->num_bases; i++)
+ if (p->basenames[i] && !STRCASECMP (p->basenames[i], fromdb))
+ {
+ p->basenames[i] = 0;
+ for (i = 0; i < no; i++)
+ {
+ if (p->new_num_bases == p->new_num_max)
+ return;
+ p->new_basenames[(p->new_num_bases)++] =
+ nmem_strdup (p->mem, todb[i]);
+ }
+ return;
+ }
+}
+
+int zebra_select_default_database(ZebraHandle zh)
+{
+ if (!zh->res)
+ {
+ /* no database has been selected - so we select based on
+ resource setting (including group)
+ */
+ const char *group = res_get(zh->session_res, "group");
+ const char *v = res_get_prefix(zh->session_res,
+ "database", group, "Default");
+ return zebra_select_database(zh, v);
+ }
+ return 0;
+}
+
+void map_basenames (ZebraHandle zh, ODR stream,
+ int *num_bases, char ***basenames)
+{
+ struct map_baseinfo info;
+ struct map_baseinfo *p = &info;
+ int i;
+ ASSERTZH;
+ yaz_log(log_level, "map_basenames ");
+ assert(stream);
+
+ info.zh = zh;
+
+ info.num_bases = *num_bases;
+ info.basenames = *basenames;
+ info.new_num_max = 128;
+ info.new_num_bases = 0;
+ info.new_basenames = (char **)
+ odr_malloc (stream, sizeof(*info.new_basenames) * info.new_num_max);
+ info.mem = stream->mem;
+
+ res_trav (zh->session_res, "mapdb", &info, map_basenames_func);
+
+ for (i = 0; i<p->num_bases; i++)
+ if (p->basenames[i] && p->new_num_bases < p->new_num_max)
+ {
+ p->new_basenames[(p->new_num_bases)++] =
+ nmem_strdup (p->mem, p->basenames[i]);
+ }
+ *num_bases = info.new_num_bases;
+ *basenames = info.new_basenames;
+ for (i = 0; i<*num_bases; i++)
+ yaz_log (YLOG_DEBUG, "base %s", (*basenames)[i]);
+}
+
+ZEBRA_RES zebra_select_database (ZebraHandle zh, const char *basename)
+{
+ ZEBRA_CHECK_HANDLE(zh);
+
+ yaz_log(log_level, "zebra_select_database %s",basename);
+ assert(basename);
+ return zebra_select_databases (zh, 1, &basename);
+}
+
+ZEBRA_RES zebra_select_databases (ZebraHandle zh, int num_bases,
+ const char **basenames)
+{
+ int i;
+ const char *cp;
+ int len = 0;
+ char *new_reg = 0;
+
+ ZEBRA_CHECK_HANDLE(zh);
+ assert(basenames);
+
+ yaz_log(log_level, "zebra_select_databases n=%d [0]=%s",
+ num_bases,basenames[0]);
+ zh->errCode = 0;
+
+ if (num_bases < 1)
+ {
+ zh->errCode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
+ return ZEBRA_FAIL;
+ }
+
+ /* Check if the user has access to all databases (Seb) */
+ /* You could argue that this should happen later, after we have
+ * determined that the database(s) exist. */
+ if (zh->dbaccesslist) {
+ for (i = 0; i < num_bases; i++) {
+ const char *db = basenames[i];
+ char *p, *pp;
+ for (p = zh->dbaccesslist; p && *p; p = pp) {
+ int len;
+ if ((pp = strchr(p, '+'))) {
+ len = pp - p;
+ pp++;
+ }
+ else
+ len = strlen(p);
+ if (len == strlen(db) && !strncmp(db, p, len))
+ break;
+ }
+ if (!p) {
+ zh->errCode = YAZ_BIB1_ACCESS_TO_SPECIFIED_DATABASE_DENIED;
+ return ZEBRA_FAIL;
+ }
+ }
+ }
+
+ for (i = 0; i < zh->num_basenames; i++)
+ xfree(zh->basenames[i]);
+ xfree(zh->basenames);
+
+ zh->num_basenames = num_bases;
+ zh->basenames = xmalloc(zh->num_basenames * sizeof(*zh->basenames));
+ for (i = 0; i < zh->num_basenames; i++)
+ zh->basenames[i] = xstrdup (basenames[i]);
+
+ cp = strrchr(basenames[0], '/');
+ if (cp)
+ {
+ len = cp - basenames[0];
+ new_reg = xmalloc(len + 1);
+ memcpy (new_reg, basenames[0], len);
+ new_reg[len] = '\0';
+ }
+ else
+ new_reg = xstrdup ("");
+ for (i = 1; i<num_bases; i++)
+ {
+ const char *cp1;
+
+ cp1 = strrchr (basenames[i], '/');
+ if (cp)
+ {
+ if (!cp1)
+ {
+ zh->errCode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
+ return -1;
+ }
+ if (len != cp1 - basenames[i] ||
+ memcmp (basenames[i], new_reg, len))
+ {
+ zh->errCode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
+ return -1;
+ }
+ }
+ else
+ {
+ if (cp1)
+ {
+ zh->errCode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
+ return ZEBRA_FAIL;
+ }
+ }
+ }
+ zebra_select_register (zh, new_reg);
+ xfree(new_reg);
+ if (!zh->res)
+ {
+ zh->errCode = YAZ_BIB1_DATABASE_UNAVAILABLE;
+ return ZEBRA_FAIL;
+ }
+ if (!zh->lock_normal || !zh->lock_shadow)
+ {
+ zh->errCode = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ return ZEBRA_FAIL;
+ }
+ return ZEBRA_OK;
+}
+
+ZEBRA_RES zebra_set_approx_limit(ZebraHandle zh, zint approx_limit)
+{
+ if (approx_limit == 0)
+ approx_limit = DEFAULT_APPROX_LIMIT;
+ zh->approx_limit = approx_limit;
+ return ZEBRA_OK;
+}
+
+void zebra_set_partial_result(ZebraHandle zh)
+{
+ zh->partial_result = 1;
+}
+
+
+ZEBRA_RES zebra_set_break_handler(ZebraHandle zh,
+ int (*f)(void *client_data),
+ void *client_data)
+{
+ zh->break_handler_func = f;
+ zh->break_handler_data = client_data;
+ return ZEBRA_OK;
+}
+
+ZEBRA_RES zebra_search_RPN_x(ZebraHandle zh, ODR o, Z_RPNQuery *query,
+ const char *setname, zint *hits,
+ int *estimated_hit_count,
+ int *partial_resultset)
+{
+ ZEBRA_RES r;
+
+ ZEBRA_CHECK_HANDLE(zh);
+
+ assert(o);
+ assert(query);
+ assert(hits);
+ assert(setname);
+ yaz_log(log_level, "zebra_search_rpn");
+
+ zh->partial_result = 0;
+
+ if (zebra_begin_read(zh) == ZEBRA_FAIL)
+ return ZEBRA_FAIL;
+
+ r = resultSetAddRPN(zh, odr_extract_mem(o), query,
+ zh->num_basenames, zh->basenames, setname,
+ hits, estimated_hit_count);
+
+ *partial_resultset = zh->partial_result;
+ zebra_end_read(zh);
+ return r;
+}
+
+ZEBRA_RES zebra_search_RPN(ZebraHandle zh, ODR o, Z_RPNQuery *query,
+ const char *setname, zint *hits)
+{
+ int estimated_hit_count;
+ int partial_resultset;
+ return zebra_search_RPN_x(zh, o, query, setname, hits,
+ &estimated_hit_count,
+ &partial_resultset);
+}
+
+ZEBRA_RES zebra_records_retrieve(ZebraHandle zh, ODR stream,
+ const char *setname,
+ Z_RecordComposition *comp,
+ oid_value input_format, int num_recs,
+ ZebraRetrievalRecord *recs)
+{
+ ZebraMetaRecord *poset;
+ int i;
+ ZEBRA_RES ret = ZEBRA_OK;
+ zint *pos_array;
+
+ ZEBRA_CHECK_HANDLE(zh);
+ assert(stream);
+ assert(setname);
+ assert(recs);
+ assert(num_recs>0);
+
+ yaz_log(log_level, "zebra_records_retrieve n=%d", num_recs);
+
+ if (!zh->res)
+ {
+ zebra_setError(zh, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
+ setname);
+ return ZEBRA_FAIL;
+ }
+
+ if (zebra_begin_read (zh) == ZEBRA_FAIL)
+ return ZEBRA_FAIL;
+
+ pos_array = (zint *) xmalloc(num_recs * sizeof(*pos_array));
+ for (i = 0; i<num_recs; i++)
+ pos_array[i] = recs[i].position;
+ poset = zebra_meta_records_create(zh, setname, num_recs, pos_array);
+ if (!poset)
+ {
+ yaz_log (YLOG_DEBUG, "zebraPosSetCreate error");
+ zebra_setError(zh, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
+ setname);
+ ret = ZEBRA_FAIL;
+ }
+ else
+ {
+ for (i = 0; i<num_recs; i++)
+ {
+ if (poset[i].term)
+ {
+ recs[i].errCode = 0;
+ recs[i].format = VAL_SUTRS;
+ recs[i].len = strlen(poset[i].term);
+ recs[i].buf = poset[i].term;
+ recs[i].base = poset[i].db;
+ }
+ else if (poset[i].sysno)
+ {
+ char *buf;
+ int len = 0;
+ zebra_snippets *hit_snippet = zebra_snippets_create();
+
+ /* we disable hit snippets for now. It does not work well
+ and it slows retrieval down a lot */
+#if 0
+ zebra_snippets_hit_vector(zh, setname, poset[i].sysno,
+ hit_snippet);
+#endif
+ recs[i].errCode =
+ zebra_record_fetch(zh, poset[i].sysno, poset[i].score,
+ hit_snippet,
+ stream, input_format, comp,
+ &recs[i].format, &buf, &len,
+ &recs[i].base, &recs[i].errString);
+
+ recs[i].len = len;
+ if (len > 0)
+ {
+ recs[i].buf = (char*) odr_malloc(stream, len);
+ memcpy(recs[i].buf, buf, len);
+ }
+ else
+ recs[i].buf = buf;
+ recs[i].score = poset[i].score;
+ recs[i].sysno = poset[i].sysno;
+ zebra_snippets_destroy(hit_snippet);
+ }
+ else
+ {
+ /* only need to set it once */
+ if (pos_array[i] < zh->approx_limit && ret == ZEBRA_OK)
+ {
+ zebra_setError_zint(zh,
+ YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE,
+ pos_array[i]);
+ ret = ZEBRA_FAIL;
+ break;
+ }
+ recs[i].buf = 0; /* no record and no error issued */
+ recs[i].len = 0;
+ recs[i].errCode = 0;
+ recs[i].format = VAL_NONE;
+ recs[i].sysno = 0;
+ }
+ }
+ zebra_meta_records_destroy(zh, poset, num_recs);
+ }
+ zebra_end_read (zh);
+ xfree(pos_array);
+ return ret;
+}
+
+ZEBRA_RES zebra_scan_PQF(ZebraHandle zh, ODR stream, const char *query,
+ int *position,
+ int *num_entries, ZebraScanEntry **entries,
+ int *is_partial,
+ const char *setname)
+{
+ YAZ_PQF_Parser pqf_parser = yaz_pqf_create ();
+ Z_AttributesPlusTerm *zapt;
+ int *attributeSet;
+ ZEBRA_RES res;
+
+ if (!(zapt = yaz_pqf_scan(pqf_parser, stream, &attributeSet, query)))
+ {
+ res = ZEBRA_FAIL;
+ zh->errCode = YAZ_BIB1_SCAN_MALFORMED_SCAN;
+ }
+ else
+ res = zebra_scan(zh, stream, zapt, VAL_BIB1,
+ position, num_entries, entries, is_partial,
+ setname);
+ yaz_pqf_destroy (pqf_parser);
+ return res;
+}
+
+ZEBRA_RES zebra_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
+ oid_value attributeset,
+ int *position,
+ int *num_entries, ZebraScanEntry **entries,
+ int *is_partial,
+ const char *setname)
+{
+ ZEBRA_RES res;
+ RSET limit_rset = 0;
+
+ ZEBRA_CHECK_HANDLE(zh);
+
+ assert(stream);
+ assert(zapt);
+ assert(position);
+ assert(num_entries);
+ assert(is_partial);
+ assert(entries);
+ yaz_log(log_level, "zebra_scan");
+
+ if (zebra_begin_read (zh) == ZEBRA_FAIL)
+ {
+ *entries = 0;
+ *num_entries = 0;
+ return ZEBRA_FAIL;
+ }
+ if (setname)
+ {
+ limit_rset = resultSetRef(zh, setname);
+ if (!limit_rset)
+ {
+ zebra_setError(zh,
+ YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
+ setname);
+ zebra_end_read (zh);
+ return ZEBRA_FAIL;
+ }
+ }
+ res = rpn_scan(zh, stream, zapt, attributeset,
+ zh->num_basenames, zh->basenames, position,
+ num_entries, entries, is_partial, limit_rset);
+ zebra_end_read(zh);
+ return res;
+}
+
+ZEBRA_RES zebra_sort (ZebraHandle zh, ODR stream,
+ int num_input_setnames, const char **input_setnames,
+ const char *output_setname,
+ Z_SortKeySpecList *sort_sequence,
+ int *sort_status)
+{
+ ZEBRA_RES res;
+ ZEBRA_CHECK_HANDLE(zh);
+ assert(stream);
+ assert(num_input_setnames>0);
+ assert(input_setnames);
+ assert(sort_sequence);
+ assert(sort_status);
+ yaz_log(log_level, "zebra_sort");
+
+ if (zebra_begin_read(zh) == ZEBRA_FAIL)
+ return ZEBRA_FAIL;
+ res = resultSetSort(zh, stream->mem, num_input_setnames, input_setnames,
+ output_setname, sort_sequence, sort_status);
+ zebra_end_read(zh);
+ return res;
+}
+
+int zebra_deleteResultSet(ZebraHandle zh, int function,
+ int num_setnames, char **setnames,
+ int *statuses)
+{
+ int i, status;
+ ASSERTZH;
+ assert(statuses);
+ yaz_log(log_level, "zebra_deleteResultSet n=%d",num_setnames);
+
+ if (zebra_begin_read(zh))
+ return Z_DeleteStatus_systemProblemAtTarget;
+ switch (function)
+ {
+ case Z_DeleteResultSetRequest_list:
+ assert(num_setnames>0);
+ assert(setnames);
+ resultSetDestroy (zh, num_setnames, setnames, statuses);
+ break;
+ case Z_DeleteResultSetRequest_all:
+ resultSetDestroy (zh, -1, 0, statuses);
+ break;
+ }
+ zebra_end_read (zh);
+ status = Z_DeleteStatus_success;
+ for (i = 0; i<num_setnames; i++)
+ if (statuses[i] == Z_DeleteStatus_resultSetDidNotExist)
+ status = statuses[i];
+ return status;
+}
+
+int zebra_errCode (ZebraHandle zh)
+{
+ if (zh)
+ {
+ yaz_log(log_level, "zebra_errCode: %d",zh->errCode);
+ return zh->errCode;
+ }
+ yaz_log(log_level, "zebra_errCode: o");
+ return 0;
+}
+
+const char *zebra_errString (ZebraHandle zh)
+{
+ const char *e = 0;
+ if (zh)
+ e= diagbib1_str (zh->errCode);
+ yaz_log(log_level, "zebra_errString: %s",e);
+ return e;
+}
+
+char *zebra_errAdd (ZebraHandle zh)
+{
+ char *a = 0;
+ if (zh)
+ a= zh->errString;
+ yaz_log(log_level, "zebra_errAdd: %s",a);
+ return a;
+}
+
+ZEBRA_RES zebra_auth (ZebraHandle zh, const char *user, const char *pass)
+{
+ const char *p;
+ const char *astring;
+ char u[40];
+ ZebraService zs;
+
+ ZEBRA_CHECK_HANDLE(zh);
+
+ zs = zh->service;
+
+ sprintf(u, "perm.%.30s", user ? user : "anonymous");
+ p = res_get(zs->global_res, u);
+ xfree(zh->user_perm);
+ zh->user_perm = xstrdup(p ? p : "r");
+
+ /* Determine database access list */
+ astring = res_get(zs->dbaccess, user ? user : "anonymous");
+ if (astring)
+ zh->dbaccesslist = xstrdup(astring);
+ else
+ zh->dbaccesslist = 0;
+
+ /* users that don't require a password .. */
+ if (zh->user_perm && strchr(zh->user_perm, 'a'))
+ return ZEBRA_OK;
+
+ if (!zs->passwd_db || !passwd_db_auth (zs->passwd_db, user, pass))
+ return ZEBRA_OK;
+ return ZEBRA_FAIL;
+}
+
+ZEBRA_RES zebra_admin_import_begin (ZebraHandle zh, const char *database,
+ const char *record_type)
+{
+ yaz_log(log_level, "zebra_admin_import_begin db=%s rt=%s",
+ database, record_type);
+ if (zebra_select_database(zh, database) == ZEBRA_FAIL)
+ return ZEBRA_FAIL;
+ return zebra_begin_trans(zh, 1);
+}
+
+ZEBRA_RES zebra_admin_import_end (ZebraHandle zh)
+{
+ ZEBRA_CHECK_HANDLE(zh);
+ yaz_log(log_level, "zebra_admin_import_end");
+ return zebra_end_trans(zh);
+}
+
+ZEBRA_RES zebra_admin_import_segment (ZebraHandle zh, Z_Segment *segment)
+{
+ ZEBRA_RES res = ZEBRA_OK;
+ zint sysno;
+ int i;
+ ZEBRA_CHECK_HANDLE(zh);
+ yaz_log(log_level, "zebra_admin_import_segment");
+
+ for (i = 0; i<segment->num_segmentRecords; i++)
+ {
+ Z_NamePlusRecord *npr = segment->segmentRecords[i];
+
+ if (npr->which == Z_NamePlusRecord_intermediateFragment)
+ {
+ Z_FragmentSyntax *fragment = npr->u.intermediateFragment;
+ if (fragment->which == Z_FragmentSyntax_notExternallyTagged)
+ {
+ Odr_oct *oct = fragment->u.notExternallyTagged;
+ sysno = 0;
+
+ if (zebra_update_record(zh,
+ 0, /* record Type */
+ &sysno,
+ 0, /* match */
+ 0, /* fname */
+ (const char *) oct->buf, oct->len,
+ 0) == ZEBRA_FAIL)
+ res = ZEBRA_FAIL;
+ }
+ }
+ }
+ return res;
+}
+
+ZEBRA_RES zebra_admin_exchange_record(ZebraHandle zh,
+ const char *rec_buf,
+ size_t rec_len,
+ const char *recid_buf, size_t recid_len,
+ int action)
+ /* 1 = insert. Fail it already exists */
+ /* 2 = replace. Fail it does not exist */
+ /* 3 = delete. Fail if does not exist */
+ /* 4 = update. Insert/replace */
+{
+ ZEBRA_RES res;
+ zint sysno = 0;
+ char *rinfo = 0;
+ char recid_z[256];
+ int db_ord;
+ ZEBRA_CHECK_HANDLE(zh);
+ assert(action>0 && action <=4);
+ assert(rec_buf);
+
+ yaz_log(log_level, "zebra_admin_exchange_record ac=%d", action);
+
+ if (!recid_buf || recid_len <= 0 || recid_len >= sizeof(recid_z))
+ {
+ zebra_setError(zh, YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED,
+ "no record ID or empty record ID");
+ return ZEBRA_FAIL;
+ }
+
+ memcpy (recid_z, recid_buf, recid_len);
+ recid_z[recid_len] = 0;
+
+ if (zebra_begin_trans(zh, 1) == ZEBRA_FAIL)
+ return ZEBRA_FAIL;
+
+ db_ord = zebraExplain_get_database_ord(zh->reg->zei);
+ rinfo = dict_lookup_ord(zh->reg->matchDict, db_ord, recid_z);
+ if (rinfo)
+ {
+ if (action == 1) /* fail if insert */
+ {
+ if (zebra_end_trans(zh) != ZEBRA_OK)
+ yaz_log(YLOG_WARN, "zebra_end_trans failed");
+ zebra_setError(zh, YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED,
+ "Cannot insert record: already exist");
+ return ZEBRA_FAIL;
+ }
+
+ memcpy (&sysno, rinfo+1, sizeof(sysno));
+ }
+ else
+ {
+ if (action == 2 || action == 3) /* fail if delete or update */
+ {
+ if (zebra_end_trans(zh) != ZEBRA_OK)
+ yaz_log(YLOG_WARN, "zebra_end_trans failed");
+ zebra_setError(zh, YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED,
+ "Cannot delete/update record: does not exist");
+ return ZEBRA_FAIL;
+ }
+ action = 1; /* make it an insert (if it's an update).. */
+ }
+ res = zebra_buffer_extract_record(zh, rec_buf, rec_len,
+ action == 3 ? 1 : 0 /* delete flag */,
+ 0, /* test mode */
+ 0, /* recordType */
+ &sysno,
+ 0, /* match */
+ 0, /* fname */
+ 0, /* force update */
+ 1 /* allow update */
+ );
+ if (res == ZEBRA_FAIL)
+ {
+ zebra_setError(zh, YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED,
+ "Unable to parse record");
+ }
+ if (action == 1)
+ {
+ dict_insert_ord(zh->reg->matchDict, db_ord, recid_z,
+ sizeof(sysno), &sysno);
+ }
+ else if (action == 3)
+ {
+ dict_delete_ord(zh->reg->matchDict, db_ord, recid_z);
+ }
+ if (zebra_end_trans(zh) != ZEBRA_OK)
+ {
+ yaz_log(YLOG_WARN, "zebra_end_trans failed");
+ res = ZEBRA_FAIL;
+ }
+ return res;
+}
+
+int delete_w_handle(const char *info, void *handle)
+{
+ ZebraHandle zh = (ZebraHandle) handle;
+ ISAM_P pos;
+ ASSERTZH;
+
+ if (*info == sizeof(pos))
+ {
+ memcpy (&pos, info+1, sizeof(pos));
+ isamb_unlink(zh->reg->isamb, pos);
+ }
+ return 0;
+}
+
+static int delete_SU_handle(void *handle, int ord)
+{
+ ZebraHandle zh = (ZebraHandle) handle;
+ char ord_buf[20];
+ int ord_len;
+
+ ord_len = key_SU_encode (ord, ord_buf);
+ ord_buf[ord_len] = '\0';
+
+ assert (zh->reg->isamb);
+ dict_delete_subtree(zh->reg->dict, ord_buf,
+ zh, delete_w_handle);
+ return 0;
+}
+
+ZEBRA_RES zebra_drop_database(ZebraHandle zh, const char *db)
+{
+ ZEBRA_RES ret = ZEBRA_OK;
+
+ yaz_log(log_level, "zebra_drop_database %s", db);
+ ZEBRA_CHECK_HANDLE(zh);
+
+ if (zebra_select_database (zh, db) == ZEBRA_FAIL)
+ return ZEBRA_FAIL;
+ if (zebra_begin_trans (zh, 1) == ZEBRA_FAIL)
+ return ZEBRA_FAIL;
+ if (zh->reg->isamb)
+ {
+ int db_ord;
+ if (zebraExplain_curDatabase (zh->reg->zei, db))
+ {
+ zebra_setError(zh, YAZ_BIB1_DATABASE_DOES_NOT_EXIST, db);
+ ret = ZEBRA_FAIL;
+ }
+ else
+ {
+ db_ord = zebraExplain_get_database_ord(zh->reg->zei);
+ dict_delete_subtree_ord(zh->reg->matchDict, db_ord,
+ 0 /* handle */, 0 /* func */);
+ zebraExplain_trav_ord(zh->reg->zei, zh, delete_SU_handle);
+ zebraExplain_removeDatabase(zh->reg->zei, zh);
+ zebra_remove_file_match(zh);
+ }
+ }
+ else
+ {
+ yaz_log(YLOG_WARN, "drop database only supported for isam:b");
+ zebra_setError(zh, YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED,
+ "drop database only supported for isam:b");
+ ret = ZEBRA_FAIL;
+ }
+ if (zebra_end_trans (zh) != ZEBRA_OK)
+ {
+ yaz_log(YLOG_WARN, "zebra_end_trans failed");
+ ret = ZEBRA_FAIL;
+ }
+ return ret;
+}
+
+ZEBRA_RES zebra_create_database (ZebraHandle zh, const char *db)
+{
+ yaz_log(log_level, "zebra_create_database %s", db);
+ ZEBRA_CHECK_HANDLE(zh);
+ assert(db);
+
+ if (zebra_select_database (zh, db) == ZEBRA_FAIL)
+ return ZEBRA_FAIL;
+ if (zebra_begin_trans (zh, 1))
+ return ZEBRA_FAIL;
+
+ /* announce database */
+ if (zebraExplain_newDatabase (zh->reg->zei, db, 0
+ /* explainDatabase */))
+ {
+ if (zebra_end_trans (zh) != ZEBRA_OK)
+ {
+ yaz_log(YLOG_WARN, "zebra_end_trans failed");
+ }
+ zebra_setError(zh, YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED, db);
+ return ZEBRA_FAIL;
+ }
+ return zebra_end_trans (zh);
+}
+
+int zebra_string_norm (ZebraHandle zh, unsigned reg_id,
+ const char *input_str, int input_len,
+ char *output_str, int output_len)
+{
+ WRBUF wrbuf;
+ ASSERTZH;
+ assert(input_str);
+ assert(output_str);
+ yaz_log(log_level, "zebra_string_norm ");
+
+ if (!zh->reg->zebra_maps)
+ return -1;
+ wrbuf = zebra_replace(zh->reg->zebra_maps, reg_id, "",
+ input_str, input_len);
+ if (!wrbuf)
+ return -2;
+ if (wrbuf_len(wrbuf) >= output_len)
+ return -3;
+ if (wrbuf_len(wrbuf))
+ memcpy (output_str, wrbuf_buf(wrbuf), wrbuf_len(wrbuf));
+ output_str[wrbuf_len(wrbuf)] = '\0';
+ return wrbuf_len(wrbuf);
+}
+
+/** \brief set register state (state*.LCK)
+ \param zh Zebra handle
+ \param val state
+ \param seqno sequence number
+
+ val is one of:
+ d=writing to shadow(dirty)
+ o=no writing,
+ c=commit
+*/
+static void zebra_set_state (ZebraHandle zh, int val, int seqno)
+{
+ char state_fname[256];
+ char *fname;
+ long p = getpid();
+ FILE *f;
+ ASSERTZH;
+ yaz_log(log_level, "zebra_set_state v=%d seq=%d", val, seqno);
+
+ sprintf (state_fname, "state.%s.LCK", zh->reg_name);
+ fname = zebra_mk_fname (res_get(zh->res, "lockDir"), state_fname);
+ f = fopen (fname, "w");
+
+ yaz_log (YLOG_DEBUG, "zebra_set_state: %c %d %ld", val, seqno, p);
+ fprintf (f, "%c %d %ld\n", val, seqno, p);
+ fclose (f);
+ xfree(fname);
+}
+
+static void zebra_get_state (ZebraHandle zh, char *val, int *seqno)
+{
+ char state_fname[256];
+ char *fname;
+ FILE *f;
+
+ ASSERTZH;
+ yaz_log(log_level, "zebra_get_state ");
+
+ sprintf (state_fname, "state.%s.LCK", zh->reg_name);
+ fname = zebra_mk_fname (res_get(zh->res, "lockDir"), state_fname);
+ f = fopen (fname, "r");
+ *val = 'o';
+ *seqno = 0;
+
+ if (f)
+ {
+ fscanf (f, "%c %d", val, seqno);
+ fclose (f);
+ }
+ xfree(fname);
+}
+
+ZEBRA_RES zebra_begin_read (ZebraHandle zh)
+{
+ return zebra_begin_trans(zh, 0);
+}
+
+ZEBRA_RES zebra_end_read (ZebraHandle zh)