X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=index%2Fzebraapi.c;h=a8e803991a54d646f6052f877d2d126acc27c43f;hp=94964fd389df6ab0dd31f8c0d924c013df877d32;hb=0f563f23506dabd7c84bdb750d4539b2b6cacf02;hpb=be946e8fca9b807679467d508ccfe0f4b450f2d0 diff --git a/index/zebraapi.c b/index/zebraapi.c index 94964fd..a8e8039 100644 --- a/index/zebraapi.c +++ b/index/zebraapi.c @@ -1,6 +1,6 @@ -/* $Id: zebraapi.c,v 1.145 2004-12-21 22:00:57 adam Exp $ - Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004 - Index Data Aps +/* $Id: zebraapi.c,v 1.243 2007-01-16 15:01:15 adam Exp $ + Copyright (C) 1995-2007 + Index Data ApS This file is part of the Zebra server. @@ -15,9 +15,9 @@ 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 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 @@ -27,7 +27,8 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include #include #include -#else +#endif +#if HAVE_UNISTD_H #include #endif @@ -35,25 +36,38 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include #include #include "index.h" +#include "rank.h" +#include "orddict.h" #include #include +#define DEFAULT_APPROX_LIMIT 2000000000 + /* simple asserts to validate the most essential input args */ #define ASSERTZH assert(zh && zh->service) #define ASSERTZHRES assert(zh && zh->service && zh->res) #define ASSERTZS assert(zs) -static int log_level=0; -static int log_level_initialized=0; +static int log_level = 0; +static int log_level_initialized = 0; + +static void zebra_open_res(ZebraHandle zh); +static void zebra_close_res(ZebraHandle zh); + +static ZEBRA_RES zebra_check_handle(ZebraHandle zh) +{ + if (zh) + return ZEBRA_OK; + return ZEBRA_FAIL; +} -static Res zebra_open_res (ZebraHandle zh); -static void zebra_close_res (ZebraHandle zh); +#define ZEBRA_CHECK_HANDLE(zh) if (zebra_check_handle(zh) != ZEBRA_OK) return ZEBRA_FAIL static void zebra_chdir (ZebraService zs) { const char *dir ; ASSERTZS; - yaz_log(log_level,"zebra_chdir"); + yaz_log(log_level, "zebra_chdir"); dir = res_get (zs->global_res, "chdir"); if (!dir) return; @@ -65,40 +79,41 @@ static void zebra_chdir (ZebraService zs) #endif } -static void zebra_flush_reg (ZebraHandle zh) +static ZEBRA_RES zebra_flush_reg (ZebraHandle zh) { - ASSERTZH; - yaz_log(log_level,"zebra_flush_reg"); - zh->errCode=0; + ZEBRA_CHECK_HANDLE(zh); + yaz_log(log_level, "zebra_flush_reg"); zebraExplain_flush (zh->reg->zei, zh); - - extract_flushWriteKeys (zh,1 /* final */); - zebra_index_merge (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); +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) +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; + log_level = yaz_log_module_level("zebraapi"); + log_level_initialized = 1; } - yaz_log(log_level,"zebra_open"); + yaz_log(log_level, "zebra_open"); if (!zs) return 0; - zh = (ZebraHandle) xmalloc (sizeof(*zh)); + zh = (ZebraHandle) xmalloc(sizeof(*zh)); yaz_log (YLOG_DEBUG, "zebra_open zs=%p returns %p", zs, zh); zh->service = zs; @@ -108,13 +123,16 @@ ZebraHandle zebra_open (ZebraService zs) 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; @@ -122,8 +140,10 @@ ZebraHandle zebra_open (ZebraService zs) zh->lock_shadow = 0; zh->shadow_enable = 1; + zh->m_staticrank = 0; + zh->m_segment_indexing = 0; - default_encoding = res_get_def(zs->global_res, "encoding", "ISO-8859-1"); + default_encoding = res_get_def(zh->session_res, "encoding", "ISO-8859-1"); zh->iconv_to_utf8 = yaz_iconv_open ("UTF-8", default_encoding); @@ -145,54 +165,111 @@ ZebraHandle zebra_open (ZebraService zs) 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) +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) +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; + log_level = yaz_log_module_level("zebraapi"); + log_level_initialized = 1; } + + yaz_log(YLOG_LOG, "zebra_start %s %s", ZEBRAVER, + configName ? configName : ""); - yaz_log(log_level,"zebra_start %s",configName); - assert(configName); - - if ((res = res_open (configName, def_res, over_res))) + if ((res = res_open(def_res, over_res))) { - ZebraService zh = xmalloc (sizeof(*zh)); + const char *passwd_plain = 0; + const char *passwd_encrypt = 0; + const char *dbaccess = 0; + ZebraService zh = 0; - yaz_log (YLOG_DEBUG, "Read resources `%s'", configName); - + 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->configName = xstrdup(configName); zh->sessions = 0; zebra_chdir (zh); zebra_mutex_cond_init (&zh->session_lock); - if (!res_get (zh->global_res, "passwd")) + 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 + else { - zh->passwd_db = passwd_db_open (); + zh->passwd_db = passwd_db_open(); if (!zh->passwd_db) yaz_log (YLOG_WARN|YLOG_ERRNO, "passwd_db_open failed"); else - passwd_db_file (zh->passwd_db, - res_get (zh->global_res, "passwd")); + { + 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; @@ -218,36 +295,32 @@ Dict dict_open_res (BFiles bfs, const char *name, int cache, int rw, { int page_size = 4096; char resource_str[200]; - const char *v; sprintf (resource_str, "dict.%.100s.pagesize", name); assert(bfs); assert(name); - v = res_get(res, resource_str); - if (v) - { - page_size = atoi(v); + 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 *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)); + reg = xmalloc(sizeof(*reg)); assert (name); reg->name = xstrdup (name); @@ -260,52 +333,71 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, 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_createx (DATA1_FLAG_XML); + 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) - bf_cache (reg->bfs, res_get (res, "shadow")); + { + 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", DEFAULT_PROFILE_PATH); - yaz_log(YLOG_DEBUG, "profilePath=%s cwd=%s", profilePath, cwd); + 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); + 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_buf = 0; - - reg->keys.buf_max = 0; - reg->keys.buf = 0; - reg->keys.codec_handle = iscz1_start(); + reg->key_block = 0; + reg->keys = zebra_rec_keys_open(); - reg->sortKeys.buf = 0; - reg->sortKeys.buf_max = 0; + reg->sortKeys = zebra_rec_keys_open(); reg->records = 0; reg->dict = 0; - reg->sortIdx = 0; + reg->sort_index = 0; reg->isams = 0; reg->matchDict = 0; reg->isamc = 0; reg->isamb = 0; reg->zei = 0; - reg->matchDict = 0; - reg->key_file_no = 0; - reg->ptr_i=0; - zebraRankInstall (reg, rank1_class); - zebraRankInstall (reg, rankzv_class); + /* 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")) @@ -313,10 +405,20 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, 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"); - return 0; + ret = ZEBRA_FAIL; } if (rw) { @@ -325,12 +427,25 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, if (!(reg->dict = dict_open_res (reg->bfs, FNAME_DICT, 40, rw, 0, res))) { yaz_log (YLOG_WARN, "dict_open failed"); - return 0; + ret = ZEBRA_FAIL; } - if (!(reg->sortIdx = sortIdx_open (reg->bfs, rw))) + + + 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, "sortIdx_open failed"); - return 0; + 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)) { @@ -339,17 +454,17 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, key_isams_m(res, &isams_m)))) { yaz_log (YLOG_WARN, "isams_open failed"); - return 0; + ret = ZEBRA_FAIL; } } if (res_get_match (res, "isam", "c", ISAM_DEFAULT)) { struct ISAMC_M_s isamc_m; - if (!(reg->isamc = isc_open (reg->bfs, FNAME_ISAMC, + if (!(reg->isamc = isamc_open (reg->bfs, FNAME_ISAMC, rw, key_isamc_m(res, &isamc_m)))) { - yaz_log (YLOG_WARN, "isc_open failed"); - return 0; + yaz_log (YLOG_WARN, "isamc_open failed"); + ret = ZEBRA_FAIL; } } if (res_get_match (res, "isam", "b", ISAM_DEFAULT)) @@ -360,7 +475,7 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, rw, key_isamc_m(res, &isamc_m), 0))) { yaz_log (YLOG_WARN, "isamb_open failed"); - return 0; + ret = ZEBRA_FAIL; } } if (res_get_match (res, "isam", "bc", ISAM_DEFAULT)) @@ -371,7 +486,7 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, rw, key_isamc_m(res, &isamc_m), 1))) { yaz_log (YLOG_WARN, "isamb_open failed"); - return 0; + ret = ZEBRA_FAIL; } } if (res_get_match (res, "isam", "null", ISAM_DEFAULT)) @@ -382,68 +497,72 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, rw, key_isamc_m(res, &isamc_m), -1))) { yaz_log (YLOG_WARN, "isamb_open failed"); - return 0; + ret = ZEBRA_FAIL; } } - reg->zei = zebraExplain_open (reg->records, reg->dh, - res, rw, reg, - explain_extract); - if (!reg->zei) + if (ret == ZEBRA_OK) { - yaz_log (YLOG_WARN, "Cannot obtain EXPLAIN information"); + 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; } - reg->active = 2; yaz_log (YLOG_DEBUG, "zebra_register_open ok p=%p", reg); return reg; } -int zebra_admin_shutdown (ZebraHandle zh) +ZEBRA_RES zebra_admin_shutdown (ZebraHandle zh) { - ASSERTZH; - yaz_log(log_level,"zebra_admin_shutdown"); - zh->errCode=0; + 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 0; + return ZEBRA_OK; } -int zebra_admin_start (ZebraHandle zh) +ZEBRA_RES zebra_admin_start (ZebraHandle zh) { ZebraService zs; - ASSERTZH; - yaz_log(log_level,"zebra_admin_start"); - zh->errCode=0; + 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 0; + return ZEBRA_OK; } -static void zebra_register_close (ZebraService zs, struct zebra_register *reg) +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); - if (reg->records) - { - zebraExplain_close (reg->zei); - dict_close (reg->dict); - if (reg->matchDict) - dict_close (reg->matchDict); - sortIdx_close (reg->sortIdx); - if (reg->isams) - isams_close (reg->isams); - if (reg->isamc) - isc_close (reg->isamc); - if (reg->isamb) - isamb_close (reg->isamb); - rec_close (®->records); - } + + 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); @@ -451,21 +570,18 @@ static void zebra_register_close (ZebraService zs, struct zebra_register *reg) bfs_destroy (reg->bfs); data1_destroy (reg->dh); - xfree (reg->sortKeys.buf); - xfree (reg->keys.buf); - if (reg->keys.codec_handle) - iscz1_stop(reg->keys.codec_handle); - xfree (reg->key_buf); - xfree (reg->name); - xfree (reg); + zebra_rec_keys_close(reg->keys); + zebra_rec_keys_close(reg->sortKeys); + + key_block_destroy(®->key_block); + xfree(reg->name); + xfree(reg); } -int zebra_stop(ZebraService zs) +ZEBRA_RES zebra_stop(ZebraService zs) { if (!zs) - return 0; - yaz_log (log_level, "zebra_stop"); - + return ZEBRA_OK; while (zs->sessions) { zebra_close (zs->sessions); @@ -479,36 +595,46 @@ int zebra_stop(ZebraService zs) recTypeClass_destroy(zs->record_classes); nmem_destroy(zs->nmem); res_close (zs->global_res); - xfree (zs->configName); - xfree (zs); - return 0; + + 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; } -int zebra_close (ZebraHandle zh) +ZEBRA_RES zebra_close(ZebraHandle zh) { ZebraService zs; struct zebra_session **sp; int i; - yaz_log(log_level,"zebra_close"); - if (!zh) - return 0; - ASSERTZH; - zh->errCode=0; + 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_register_close(zh->service, zh->reg); zebra_close_res (zh); + res_close(zh->session_res); + + xfree(zh->record_encoding); - xfree (zh->record_encoding); + xfree(zh->dbaccesslist); for (i = 0; i < zh->num_basenames; i++) - xfree (zh->basenames[i]); - xfree (zh->basenames); + xfree(zh->basenames[i]); + xfree(zh->basenames); if (zh->iconv_to_utf8 != 0) yaz_iconv_close (zh->iconv_to_utf8); @@ -530,12 +656,17 @@ int zebra_close (ZebraHandle zh) 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 */ - xfree (zh->path_reg); - xfree (zh); - return 0; + 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 { @@ -548,47 +679,43 @@ struct map_baseinfo { int new_num_max; }; -static Res zebra_open_res (ZebraHandle zh) +static void zebra_open_res(ZebraHandle zh) { - Res res = 0; char fname[512]; ASSERTZH; - zh->errCode=0; + zh->errCode = 0; if (zh->path_reg) { - sprintf (fname, "%.200s/zebra.cfg", zh->path_reg); - res = res_open (fname, zh->service->global_res, 0); - if (!res) - res = zh->service->global_res; + 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) { - res = zh->service->global_res; + zh->res = res_open(zh->session_res, 0); } else { yaz_log (YLOG_WARN, "no register root specified"); - return 0; /* no path for register - fail! */ + zh->res = 0; /* no path for register - fail! */ } - return res; } static void zebra_close_res (ZebraHandle zh) { ASSERTZH; - zh->errCode=0; - if (zh->res != zh->service->global_res) - res_close (zh->res); + zh->errCode = 0; + res_close (zh->res); zh->res = 0; } -static int zebra_select_register (ZebraHandle zh, const char *new_reg) +static void zebra_select_register (ZebraHandle zh, const char *new_reg) { ASSERTZH; - zh->errCode=0; + zh->errCode = 0; if (zh->res && strcmp (zh->reg_name, new_reg) == 0) - return 0; + return; if (!zh->res) { assert (zh->reg == 0); @@ -599,19 +726,19 @@ static int zebra_select_register (ZebraHandle zh, const char *new_reg) if (zh->reg) { resultSetInvalidate (zh); - zebra_register_close (zh->service, zh->reg); + zebra_register_close(zh->service, zh->reg); zh->reg = 0; } zebra_close_res(zh); } - xfree (zh->reg_name); + xfree(zh->reg_name); zh->reg_name = xstrdup (new_reg); - xfree (zh->path_reg); + xfree(zh->path_reg); zh->path_reg = 0; if (zh->service->path_root) { - zh->path_reg = xmalloc (strlen(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) @@ -620,7 +747,7 @@ static int zebra_select_register (ZebraHandle zh, const char *new_reg) strcat (zh->path_reg, zh->reg_name); } } - zh->res = zebra_open_res (zh); + zebra_open_res(zh); if (zh->lock_normal) zebra_lock_destroy (zh->lock_normal); @@ -633,20 +760,53 @@ static int zebra_select_register (ZebraHandle zh, const char *new_reg) if (zh->res) { char fname[512]; - const char *lock_area =res_get (zh->res, "lockDir"); + 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, 0); + 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, 0); + 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); + } } - return 1; } void map_basenames_func (void *vp, const char *name, const char *value) @@ -681,6 +841,21 @@ void map_basenames_func (void *vp, const char *name, const char *value) } } +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) { @@ -688,12 +863,11 @@ void map_basenames (ZebraHandle zh, ODR stream, struct map_baseinfo *p = &info; int i; ASSERTZH; - yaz_log(log_level,"map_basenames "); + yaz_log(log_level, "map_basenames "); assert(stream); - zh->errCode=0; - info.zh = zh; + info.num_bases = *num_bases; info.basenames = *basenames; info.new_num_max = 128; @@ -702,7 +876,7 @@ void map_basenames (ZebraHandle zh, ODR stream, odr_malloc (stream, sizeof(*info.new_basenames) * info.new_num_max); info.mem = stream->mem; - res_trav (zh->service->global_res, "mapdb", &info, map_basenames_func); + res_trav (zh->session_res, "mapdb", &info, map_basenames_func); for (i = 0; inum_bases; i++) if (p->basenames[i] && p->new_num_bases < p->new_num_max) @@ -716,40 +890,67 @@ void map_basenames (ZebraHandle zh, ODR stream, yaz_log (YLOG_DEBUG, "base %s", (*basenames)[i]); } -int zebra_select_database (ZebraHandle zh, const char *basename) +ZEBRA_RES zebra_select_database (ZebraHandle zh, const char *basename) { - ASSERTZH; - yaz_log(log_level,"zebra_select_database %s",basename); + ZEBRA_CHECK_HANDLE(zh); + + yaz_log(log_level, "zebra_select_database %s",basename); assert(basename); - zh->errCode=0; return zebra_select_databases (zh, 1, &basename); } -int zebra_select_databases (ZebraHandle zh, int num_bases, - const char **basenames) +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; - ASSERTZH; + + ZEBRA_CHECK_HANDLE(zh); assert(basenames); - yaz_log(log_level,"zebra_select_databases n=%d [0]=%s", + yaz_log(log_level, "zebra_select_databases n=%d [0]=%s", num_bases,basenames[0]); - zh->errCode=0; + zh->errCode = 0; if (num_bases < 1) { - zh->errCode = 23; - return -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); + xfree(zh->basenames[i]); + xfree(zh->basenames); zh->num_basenames = num_bases; - zh->basenames = xmalloc (zh->num_basenames * sizeof(*zh->basenames)); + zh->basenames = xmalloc(zh->num_basenames * sizeof(*zh->basenames)); for (i = 0; i < zh->num_basenames; i++) zh->basenames[i] = xstrdup (basenames[i]); @@ -757,7 +958,7 @@ int zebra_select_databases (ZebraHandle zh, int num_bases, if (cp) { len = cp - basenames[0]; - new_reg = xmalloc (len + 1); + new_reg = xmalloc(len + 1); memcpy (new_reg, basenames[0], len); new_reg[len] = '\0'; } @@ -772,13 +973,13 @@ int zebra_select_databases (ZebraHandle zh, int num_bases, { if (!cp1) { - zh->errCode = 23; + zh->errCode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP; return -1; } if (len != cp1 - basenames[i] || memcmp (basenames[i], new_reg, len)) { - zh->errCode = 23; + zh->errCode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP; return -1; } } @@ -786,94 +987,97 @@ int zebra_select_databases (ZebraHandle zh, int num_bases, { if (cp1) { - zh->errCode = 23; - return -1; + zh->errCode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP; + return ZEBRA_FAIL; } } } zebra_select_register (zh, new_reg); - xfree (new_reg); + xfree(new_reg); if (!zh->res) { - zh->errCode = 109; - return -1; + zh->errCode = YAZ_BIB1_DATABASE_UNAVAILABLE; + return ZEBRA_FAIL; } if (!zh->lock_normal || !zh->lock_shadow) { - zh->errCode = 2; - return -1; + zh->errCode = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR; + return ZEBRA_FAIL; } - return 0; + return ZEBRA_OK; } -int zebra_search_RPN (ZebraHandle zh, ODR o, - Z_RPNQuery *query, const char *setname, int *hits) +ZEBRA_RES zebra_set_approx_limit(ZebraHandle zh, zint approx_limit) { - const char *max; - zint maxhits; - ASSERTZH; + if (approx_limit == 0) + approx_limit = DEFAULT_APPROX_LIMIT; + zh->approx_limit = approx_limit; + 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->errCode=0; - zh->hits = 0; - *hits = 0; + yaz_log(log_level, "zebra_search_rpn"); - if (zebra_begin_read (zh)) - return 1; + if (zebra_begin_read(zh) == ZEBRA_FAIL) + return ZEBRA_FAIL; - resultSetAddRPN (zh, odr_extract_mem(o), query, - zh->num_basenames, zh->basenames, setname); + r = resultSetAddRPN(zh, odr_extract_mem(o), query, + zh->num_basenames, zh->basenames, setname, + hits, estimated_hit_count, partial_resultset); + zebra_end_read(zh); + return r; +} - zebra_end_read (zh); - max = res_get (zh->res, "maxhits"); - if (max) - maxhits=atoi(max); - else { - int i=0; - maxhits=INT_MAX; /* properly rounded, to make it look like a limit*/ - while (maxhits>100) { maxhits/=10; i++;} - while (i--) maxhits *= 10; - } - if (zh->hits > maxhits) { /* too large for yaz to handle */ - yaz_log(YLOG_DEBUG,"limiting hits to "ZINT_FORMAT, maxhits); - *hits=maxhits; - } - else - *hits = zh->hits; - return 0; +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); } -int zebra_records_retrieve (ZebraHandle zh, ODR stream, - const char *setname, Z_RecordComposition *comp, - oid_value input_format, int num_recs, - ZebraRetrievalRecord *recs) +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, ret = 0; + int i; + ZEBRA_RES ret = ZEBRA_OK; zint *pos_array; - ASSERTZH; + + 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); - zh->errCode=0; + yaz_log(log_level, "zebra_records_retrieve n=%d", num_recs); if (!zh->res) { - zh->errCode = 30; - zh->errString = odr_strdup(stream, setname); - return -1; + zebra_setError(zh, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, + setname); + return ZEBRA_FAIL; } - zh->errCode = 0; - - if (zebra_begin_read (zh)) - return -1; + if (zebra_begin_read (zh) == ZEBRA_FAIL) + return ZEBRA_FAIL; pos_array = (zint *) xmalloc(num_recs * sizeof(*pos_array)); for (i = 0; ierrCode = 30; - zh->errString = nmem_strdup (stream->mem, setname); - ret = -1; + zebra_setError(zh, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, + setname); + ret = ZEBRA_FAIL; } else { @@ -901,12 +1105,22 @@ int zebra_records_retrieve (ZebraHandle zh, ODR stream, else if (poset[i].sysno) { char *buf; - int len; + 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, - stream, input_format, comp, - &recs[i].format, &buf, &len, - &recs[i].base, &recs[i].errString); + 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) { @@ -915,91 +1129,143 @@ int zebra_records_retrieve (ZebraHandle zh, ODR stream, } else recs[i].buf = buf; - recs[i].score=poset[i].score; - recs[i].sysno=poset[i].sysno; + recs[i].score = poset[i].score; + recs[i].sysno = poset[i].sysno; + zebra_snippets_destroy(hit_snippet); } else { - char num_str[20]; - - sprintf (num_str, ZINT_FORMAT, pos_array[i]); - zh->errCode = 13; - zh->errString = odr_strdup (stream, num_str); - ret = -1; - break; + /* 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); + xfree(pos_array); return ret; } -int zebra_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, - oid_value attributeset, - int *position, int *num_entries, ZebraScanEntry **entries, - int *is_partial) +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) { - ASSERTZH; + 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"); - zh->errCode=0; - if (zebra_begin_read (zh)) + yaz_log(log_level, "zebra_scan"); + + if (zebra_begin_read (zh) == ZEBRA_FAIL) { *entries = 0; *num_entries = 0; - return 1; + return ZEBRA_FAIL; } - rpn_scan (zh, stream, zapt, attributeset, - zh->num_basenames, zh->basenames, position, - num_entries, entries, is_partial, 0, 0); - zebra_end_read (zh); - return 0; + 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; } -int 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 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) { - ASSERTZH; + 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"); - zh->errCode=0; - if (zebra_begin_read (zh)) - return 1; - resultSetSort (zh, stream->mem, num_input_setnames, input_setnames, - output_setname, sort_sequence, 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 0; + return res; } -int zebra_deleleResultSet(ZebraHandle zh, int function, +int zebra_deleteResultSet(ZebraHandle zh, int function, int num_setnames, char **setnames, int *statuses) { int i, status; ASSERTZH; - assert(num_setnames>0); - assert(setnames); assert(statuses); - yaz_log(log_level,"zebra_deleleResultSet n=%d",num_setnames); - zh->errCode=0; + 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: @@ -1018,159 +1284,159 @@ int zebra_errCode (ZebraHandle zh) { if (zh) { - yaz_log(log_level,"zebra_errCode: %d",zh->errCode); + yaz_log(log_level, "zebra_errCode: %d",zh->errCode); return zh->errCode; } - yaz_log(log_level,"zebra_errCode: o"); + yaz_log(log_level, "zebra_errCode: o"); return 0; } const char *zebra_errString (ZebraHandle zh) { - const char *e=""; + const char *e = 0; if (zh) e= diagbib1_str (zh->errCode); - yaz_log(log_level,"zebra_errString: %s",e); + yaz_log(log_level, "zebra_errString: %s",e); return e; } char *zebra_errAdd (ZebraHandle zh) { - char *a=""; + char *a = 0; if (zh) a= zh->errString; - yaz_log(log_level,"zebra_errAdd: %s",a); + yaz_log(log_level, "zebra_errAdd: %s",a); return a; } -void zebra_clearError(ZebraHandle zh) -{ - if (zh) - { - zh->errCode=0; - zh->errString=""; - } -} - -int zebra_auth (ZebraHandle zh, const char *user, const char *pass) +ZEBRA_RES zebra_auth (ZebraHandle zh, const char *user, const char *pass) { const char *p; + const char *astring; char u[40]; ZebraService zs; - ASSERTZH; - zh->errCode=0; - zs= zh->service; + 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); + 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 0; + return ZEBRA_OK; if (!zs->passwd_db || !passwd_db_auth (zs->passwd_db, user, pass)) - return 0; - return 1; + return ZEBRA_OK; + return ZEBRA_FAIL; } -int zebra_admin_import_begin (ZebraHandle zh, const char *database, +ZEBRA_RES zebra_admin_import_begin (ZebraHandle zh, const char *database, const char *record_type) { - ASSERTZH; - yaz_log(log_level,"zebra_admin_import_begin db=%s rt=%s", + yaz_log(log_level, "zebra_admin_import_begin db=%s rt=%s", database, record_type); - zh->errCode=0; - if (zebra_select_database(zh, database)) - return 1; - if (zebra_begin_trans (zh, 1)) - return 1; - return 0; + if (zebra_select_database(zh, database) == ZEBRA_FAIL) + return ZEBRA_FAIL; + return zebra_begin_trans(zh, 1); } -int zebra_admin_import_end (ZebraHandle zh) +ZEBRA_RES zebra_admin_import_end (ZebraHandle zh) { - ASSERTZH; - yaz_log(log_level,"zebra_admin_import_end"); - zh->errCode=0; - zebra_end_trans (zh); - return 0; + ZEBRA_CHECK_HANDLE(zh); + yaz_log(log_level, "zebra_admin_import_end"); + return zebra_end_trans(zh); } -int zebra_admin_import_segment (ZebraHandle zh, Z_Segment *segment) +ZEBRA_RES zebra_admin_import_segment (ZebraHandle zh, Z_Segment *segment) { - SYSNO sysno; + ZEBRA_RES res = ZEBRA_OK; + zint sysno; int i; - ASSERTZH; - yaz_log(log_level,"zebra_admin_import_segment"); - zh->errCode=0; + ZEBRA_CHECK_HANDLE(zh); + yaz_log(log_level, "zebra_admin_import_segment"); + for (i = 0; inum_segmentRecords; i++) { Z_NamePlusRecord *npr = segment->segmentRecords[i]; - printf ("--------------%d--------------------\n", i); - /* FIXME - What! printing on stdout ??? */ if (npr->which == Z_NamePlusRecord_intermediateFragment) { Z_FragmentSyntax *fragment = npr->u.intermediateFragment; if (fragment->which == Z_FragmentSyntax_notExternallyTagged) { Odr_oct *oct = fragment->u.notExternallyTagged; - printf ("%.*s", (oct->len > 100 ? 100 : oct->len) , - oct->buf); - sysno = 0; - zebra_update_record(zh, - 0, /* record Type */ - &sysno, - 0, /* match */ - 0, /* fname */ - oct->buf, oct->len, - 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 0; + return res; } -int zebra_admin_exchange_record (ZebraHandle zh, - const char *rec_buf, - size_t rec_len, - const char *recid_buf, size_t recid_len, - int action) +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 */ { - SYSNO sysno = 0; + ZEBRA_RES res; + zint sysno = 0; char *rinfo = 0; char recid_z[256]; - ASSERTZH; + 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); - zh->errCode=0; + yaz_log(log_level, "zebra_admin_exchange_record ac=%d", action); if (!recid_buf || recid_len <= 0 || recid_len >= sizeof(recid_z)) - return -1; + { + 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)) - return -1; + if (zebra_begin_trans(zh, 1) == ZEBRA_FAIL) + return ZEBRA_FAIL; - rinfo = dict_lookup (zh->reg->matchDict, recid_z); + 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 */ { - zebra_end_trans(zh); - return -1; + 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)); @@ -1179,37 +1445,50 @@ int zebra_admin_exchange_record (ZebraHandle zh, { if (action == 2 || action == 3) /* fail if delete or update */ { - zebra_end_trans(zh); - return -1; + 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).. */ } - 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 */ + 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 (zh->reg->matchDict, recid_z, sizeof(sysno), &sysno); + dict_insert_ord(zh->reg->matchDict, db_ord, recid_z, + sizeof(sysno), &sysno); } else if (action == 3) { - dict_delete (zh->reg->matchDict, recid_z); + dict_delete_ord(zh->reg->matchDict, db_ord, recid_z); } - zebra_end_trans(zh); - return 0; + 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; - ISAMC_P pos; + ISAM_P pos; ASSERTZH; if (*info == sizeof(pos)) @@ -1235,56 +1514,73 @@ static int delete_SU_handle(void *handle, int ord) return 0; } -int zebra_drop_database (ZebraHandle zh, const char *database) +ZEBRA_RES zebra_drop_database(ZebraHandle zh, const char *db) { - int ret = 0; - ASSERTZH; - yaz_log(log_level,"zebra_drop_database"); - zh->errCode = 0; + ZEBRA_RES ret = ZEBRA_OK; - if (zebra_select_database (zh, database)) - return -1; - if (zebra_begin_trans (zh, 1)) - return -1; + 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) { - zebraExplain_curDatabase (zh->reg->zei, database); - - zebraExplain_trav_ord(zh->reg->zei, zh, delete_SU_handle); - zebraExplain_removeDatabase(zh->reg->zei, zh); + 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"); - ret = -1; + 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; } - zebra_end_trans (zh); return ret; } -int zebra_create_database (ZebraHandle zh, const char *database) +ZEBRA_RES zebra_create_database (ZebraHandle zh, const char *db) { - ASSERTZH; - yaz_log(log_level,"zebra_create_database %s",database); - assert(database); - zh->errCode=0; + yaz_log(log_level, "zebra_create_database %s", db); + ZEBRA_CHECK_HANDLE(zh); + assert(db); - if (zebra_select_database (zh, database)) - return -1; + if (zebra_select_database (zh, db) == ZEBRA_FAIL) + return ZEBRA_FAIL; if (zebra_begin_trans (zh, 1)) - return -1; + return ZEBRA_FAIL; /* announce database */ - if (zebraExplain_newDatabase (zh->reg->zei, database, 0 + if (zebraExplain_newDatabase (zh->reg->zei, db, 0 /* explainDatabase */)) { - zebra_end_trans (zh); - zh->errCode = 224; - zh->errString = "database already exist"; - return -1; + 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; } - zebra_end_trans (zh); - return 0; + return zebra_end_trans (zh); } int zebra_string_norm (ZebraHandle zh, unsigned reg_id, @@ -1295,8 +1591,8 @@ int zebra_string_norm (ZebraHandle zh, unsigned reg_id, ASSERTZH; assert(input_str); assert(output_str); - yaz_log(log_level,"zebra_string_norm "); - zh->errCode=0; + yaz_log(log_level, "zebra_string_norm "); + if (!zh->reg->zebra_maps) return -1; wrbuf = zebra_replace(zh->reg->zebra_maps, reg_id, "", @@ -1311,17 +1607,24 @@ int zebra_string_norm (ZebraHandle zh, unsigned reg_id, return wrbuf_len(wrbuf); } - -int zebra_set_state (ZebraHandle zh, int val, int seqno) - /* FIXME - zint seqno ?? */ +/** \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); - zh->errCode=0; + 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); @@ -1330,19 +1633,18 @@ int zebra_set_state (ZebraHandle zh, int val, int seqno) 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); - return 0; + xfree(fname); } -int zebra_get_state (ZebraHandle zh, char *val, int *seqno) +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 "); - zh->errCode=0; + 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"); @@ -1354,16 +1656,15 @@ int zebra_get_state (ZebraHandle zh, char *val, int *seqno) fscanf (f, "%c %d", val, seqno); fclose (f); } - xfree (fname); - return 0; + xfree(fname); } -int zebra_begin_read (ZebraHandle zh) +ZEBRA_RES zebra_begin_read (ZebraHandle zh) { return zebra_begin_trans(zh, 0); } -int zebra_end_read (ZebraHandle zh) +ZEBRA_RES zebra_end_read (ZebraHandle zh) { return zebra_end_trans(zh); } @@ -1397,32 +1698,34 @@ static void read_res_for_transaction(ZebraHandle zh) zh->m_file_verbose_limit = atoi(v); } -int zebra_begin_trans (ZebraHandle zh, int rw) +ZEBRA_RES zebra_begin_trans(ZebraHandle zh, int rw) { - ASSERTZH; + ZEBRA_CHECK_HANDLE(zh); + zebra_select_default_database(zh); if (!zh->res) { - zh->errCode = 2; - zh->errString = "zebra_begin_trans: no database selected"; - return -1; + zebra_setError(zh, YAZ_BIB1_TEMPORARY_SYSTEM_ERROR, + "zebra_begin_trans: no database selected"); + return ZEBRA_FAIL; } ASSERTZHRES; - yaz_log(log_level,"zebra_begin_trans rw=%d",rw); + yaz_log(log_level, "zebra_begin_trans rw=%d",rw); if (zh->user_perm) { if (rw && !strchr(zh->user_perm, 'w')) { - zh->errCode = 223; - zh->errString = 0; - return -1; + zebra_setError( + zh, + YAZ_BIB1_ES_PERMISSION_DENIED_ON_ES_CANNOT_MODIFY_OR_DELETE, + 0); + return ZEBRA_FAIL; } } assert (zh->res); if (rw) { - int pass; int seqno = 0; char val = '?'; const char *rval = 0; @@ -1435,19 +1738,17 @@ int zebra_begin_trans (ZebraHandle zh, int rw) } if (zh->trans_no != 1) { - zh->errCode = 2; - zh->errString = "zebra_begin_trans: write trans not allowed within read trans"; - return -1; + zebra_setError(zh, YAZ_BIB1_TEMPORARY_SYSTEM_ERROR, + "zebra_begin_trans: no write trans within read"); + return ZEBRA_FAIL; } if (zh->reg) { resultSetInvalidate (zh); - zebra_register_close (zh->service, zh->reg); + zebra_register_close(zh->service, zh->reg); } zh->trans_w_no = zh->trans_no; - zh->errCode=0; - zh->records_inserted = 0; zh->records_updated = 0; zh->records_deleted = 0; @@ -1460,56 +1761,45 @@ int zebra_begin_trans (ZebraHandle zh, int rw) if (zh->shadow_enable) rval = res_get (zh->res, "shadow"); - for (pass = 0; pass < 2; pass++) + if (rval) { - if (rval) - { - zebra_lock_r (zh->lock_normal); - zebra_lock_w (zh->lock_shadow); - } - else + zebra_lock_r(zh->lock_normal); + zebra_lock_w(zh->lock_shadow); + } + else + { + zebra_lock_w(zh->lock_normal); + zebra_lock_w(zh->lock_shadow); + } + zebra_get_state (zh, &val, &seqno); + if (val != 'o') + { + /* either we didn't finish commit or shadow is dirty */ + zebra_unlock (zh->lock_shadow); + zebra_unlock (zh->lock_normal); + if (zebra_commit (zh)) { - zebra_lock_w (zh->lock_normal); - zebra_lock_w (zh->lock_shadow); + zh->trans_no--; + zh->trans_w_no = 0; + return ZEBRA_FAIL; } - - zebra_get_state (zh, &val, &seqno); - if (val == 'c') + if (rval) { - yaz_log (YLOG_WARN, "previous transaction didn't finish commit"); - zebra_unlock (zh->lock_shadow); - zebra_unlock (zh->lock_normal); - zebra_commit (zh); - continue; + zebra_lock_r(zh->lock_normal); + zebra_lock_w(zh->lock_shadow); } - else if (val == 'd') + else { - if (rval) - { - BFiles bfs = bfs_create (res_get (zh->res, "shadow"), - zh->path_reg); - yaz_log (YLOG_WARN, "previous transaction didn't reach commit"); - bf_commitClean (bfs, rval); - bfs_destroy (bfs); - } - else - { - yaz_log (YLOG_WARN, "your previous transaction didn't finish"); - } + zebra_lock_w(zh->lock_normal); + zebra_lock_w(zh->lock_shadow); } - break; - } - if (pass == 2) - { - yaz_log (YLOG_FATAL, "zebra_begin_trans couldn't finish commit"); - abort(); - return -1; } + zebra_set_state (zh, 'd', seqno); - zh->reg = zebra_register_open (zh->service, zh->reg_name, - 1, rval ? 1 : 0, zh->res, - zh->path_reg); + zh->reg = zebra_register_open(zh->service, zh->reg_name, + 1, rval ? 1 : 0, zh->res, + zh->path_reg); if (zh->reg) zh->reg->seqno = seqno; else @@ -1522,11 +1812,12 @@ int zebra_begin_trans (ZebraHandle zh, int rw) zh->trans_no--; zh->trans_w_no = 0; - zh->errCode = 2; - zh->errString = "zebra_begin_trans: cannot open register"; - yaz_log(YLOG_FATAL, zh->errString); - return -1; + zebra_setError(zh, YAZ_BIB1_TEMPORARY_SYSTEM_ERROR, + "zebra_begin_trans: cannot open register"); + yaz_log(YLOG_FATAL, "%s", zh->errString); + return ZEBRA_FAIL; } + zebraExplain_curDatabase(zh->reg->zei, zh->basenames[0]); } else { @@ -1538,24 +1829,22 @@ int zebra_begin_trans (ZebraHandle zh, int rw) if (zh->trans_no != 1) { - zebra_flush_reg (zh); - return 0; + return zebra_flush_reg (zh); } - zh->errCode=0; #if HAVE_SYS_TIMES_H times (&zh->tms1); #endif if (!zh->res) { (zh->trans_no)--; - zh->errCode = 109; - return -1; + zh->errCode = YAZ_BIB1_DATABASE_UNAVAILABLE; + return ZEBRA_FAIL; } if (!zh->lock_normal || !zh->lock_shadow) { (zh->trans_no)--; - zh->errCode = 2; - return -1; + zh->errCode = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR; + return ZEBRA_FAIL; } zebra_get_state (zh, &val, &seqno); if (val == 'd') @@ -1576,7 +1865,7 @@ int zebra_begin_trans (ZebraHandle zh, int rw) dirty = 1; } if (!dirty) - return 0; + return ZEBRA_OK; if (val == 'c') zebra_lock_r (zh->lock_shadow); @@ -1586,43 +1875,45 @@ int zebra_begin_trans (ZebraHandle zh, int rw) if (zh->reg) { resultSetInvalidate (zh); - zebra_register_close (zh->service, zh->reg); + zebra_register_close(zh->service, zh->reg); } - zh->reg = zebra_register_open (zh->service, zh->reg_name, - 0, val == 'c' ? 1 : 0, - zh->res, zh->path_reg); + zh->reg = zebra_register_open(zh->service, zh->reg_name, + 0, val == 'c' ? 1 : 0, + zh->res, zh->path_reg); if (!zh->reg) { zebra_unlock (zh->lock_normal); zebra_unlock (zh->lock_shadow); zh->trans_no--; - zh->errCode = 109; - return -1; + zh->errCode = YAZ_BIB1_DATABASE_UNAVAILABLE; + return ZEBRA_FAIL; } zh->reg->last_val = val; zh->reg->seqno = seqno; } read_res_for_transaction(zh); - return 0; + return ZEBRA_OK; } -int zebra_end_trans (ZebraHandle zh) +ZEBRA_RES zebra_end_trans (ZebraHandle zh) { ZebraTransactionStatus dummy; - ASSERTZH; - yaz_log(log_level,"zebra_end_trans"); + + yaz_log(log_level, "zebra_end_trans"); + ZEBRA_CHECK_HANDLE(zh); return zebra_end_transaction(zh, &dummy); } -int zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) +ZEBRA_RES zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) { char val; int seqno; const char *rval; - ASSERTZH; + ZEBRA_CHECK_HANDLE(zh); + assert(status); - yaz_log(log_level,"zebra_end_transaction"); + yaz_log(log_level, "zebra_end_transaction"); status->processed = 0; status->inserted = 0; @@ -1633,15 +1924,15 @@ int zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) if (!zh->res || !zh->reg) { - zh->errCode = 2; - zh->errString = "zebra_end_trans: no open transaction"; - return -1; + zebra_setError(zh, YAZ_BIB1_TEMPORARY_SYSTEM_ERROR, + "zebra_end_trans: no open transaction"); + return ZEBRA_FAIL; } if (zh->trans_no != zh->trans_w_no) { zh->trans_no--; if (zh->trans_no != 0) - return 0; + return ZEBRA_OK; /* release read lock */ @@ -1662,7 +1953,7 @@ int zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) resultSetInvalidate (zh); - zebra_register_close (zh->service, zh->reg); + zebra_register_close(zh->service, zh->reg); zh->reg = 0; yaz_log (YLOG_LOG, "Records: "ZINT_FORMAT" i/u/d " @@ -1700,182 +1991,215 @@ int zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) status->utime = (long) (zh->tms2.tms_utime - zh->tms1.tms_utime); status->stime = (long) (zh->tms2.tms_stime - zh->tms1.tms_stime); #endif - return 0; + return ZEBRA_OK; } -int zebra_repository_update (ZebraHandle zh, const char *path) +ZEBRA_RES zebra_repository_update(ZebraHandle zh, const char *path) { ASSERTZH; assert(path); - zh->errCode=0; yaz_log (log_level, "updating %s", path); - repositoryUpdate (zh, path); - return zh->errCode; + + if (zh->m_record_id && !strcmp (zh->m_record_id, "file")) + return zebra_update_file_match(zh, path); + else + return zebra_update_from_path(zh, path); } -int zebra_repository_delete (ZebraHandle zh, const char *path) +ZEBRA_RES zebra_repository_delete(ZebraHandle zh, const char *path) { ASSERTZH; assert(path); - zh->errCode=0; yaz_log (log_level, "deleting %s", path); - repositoryDelete (zh, path); - return zh->errCode; + return zebra_delete_from_path(zh, path); } -int zebra_repository_show (ZebraHandle zh, const char *path) +ZEBRA_RES zebra_repository_show(ZebraHandle zh, const char *path) { ASSERTZH; assert(path); - yaz_log(log_level,"zebra_repository_show"); - zh->errCode=0; + yaz_log(log_level, "zebra_repository_show"); repositoryShow (zh, path); - return zh->errCode; + return ZEBRA_OK; } -static int zebra_commit_ex (ZebraHandle zh, int clean_only) +static ZEBRA_RES zebra_commit_ex(ZebraHandle zh, int clean_only) { int seqno; char val; const char *rval; BFiles bfs; + ZEBRA_RES res = ZEBRA_OK; + ASSERTZH; - zh->errCode=0; + zebra_select_default_database(zh); if (!zh->res) { - zh->errCode = 109; - return -1; + zh->errCode = YAZ_BIB1_DATABASE_UNAVAILABLE; + return ZEBRA_FAIL; } - rval = res_get (zh->res, "shadow"); + rval = res_get(zh->res, "shadow"); if (!rval) { yaz_log (YLOG_WARN, "Cannot perform commit - No shadow area defined"); - return 0; + return ZEBRA_OK; } - zebra_lock_w (zh->lock_normal); - zebra_lock_r (zh->lock_shadow); + zebra_lock_w(zh->lock_normal); + zebra_lock_r(zh->lock_shadow); - bfs = bfs_create (res_get (zh->res, "register"), zh->path_reg); + bfs = bfs_create(res_get (zh->res, "register"), zh->path_reg); + if (!bfs) + { + zebra_unlock(zh->lock_shadow); + zebra_unlock(zh->lock_normal); + return ZEBRA_FAIL; + } + zebra_get_state(zh, &val, &seqno); - zebra_get_state (zh, &val, &seqno); + if (val == 'd') + { + yaz_log(YLOG_WARN, "previous transaction didn't reach commit"); + clean_only = 1; + } if (rval && *rval) bf_cache (bfs, rval); if (bf_commitExists (bfs)) { if (clean_only) - zebra_set_state (zh, 'd', seqno); + zebra_set_state(zh, 'd', seqno); else { - zebra_set_state (zh, 'c', seqno); + zebra_set_state(zh, 'c', seqno); - yaz_log (YLOG_DEBUG, "commit start"); - bf_commitExec (bfs); -#ifndef WIN32 - sync (); -#endif + yaz_log(YLOG_DEBUG, "commit start"); + if (bf_commitExec (bfs)) + res = ZEBRA_FAIL; + } + if (res == ZEBRA_OK) + { + seqno++; + zebra_set_state(zh, 'o', seqno); + + zebra_unlock(zh->lock_shadow); + zebra_unlock(zh->lock_normal); + + zebra_lock_w(zh->lock_shadow); + bf_commitClean(bfs, rval); + zebra_unlock(zh->lock_shadow); + } + else + { + zebra_unlock(zh->lock_shadow); + zebra_unlock(zh->lock_normal); + yaz_log(YLOG_WARN, "zebra_commit: failed"); } - yaz_log (YLOG_DEBUG, "commit clean"); - bf_commitClean (bfs, rval); - seqno++; - zebra_set_state (zh, 'o', seqno); } else { - yaz_log (log_level, "nothing to commit"); + zebra_unlock(zh->lock_shadow); + zebra_unlock(zh->lock_normal); + yaz_log(log_level, "nothing to commit"); } - bfs_destroy (bfs); + bfs_destroy(bfs); - zebra_unlock (zh->lock_shadow); - zebra_unlock (zh->lock_normal); - return 0; + return res; } -int zebra_clean (ZebraHandle zh) +ZEBRA_RES zebra_clean(ZebraHandle zh) { - ASSERTZH; - yaz_log(log_level,"zebra_clean"); + yaz_log(log_level, "zebra_clean"); + ZEBRA_CHECK_HANDLE(zh); return zebra_commit_ex(zh, 1); } -int zebra_commit (ZebraHandle zh) +ZEBRA_RES zebra_commit(ZebraHandle zh) { - ASSERTZH; - yaz_log(log_level,"zebra_commit"); + yaz_log(log_level, "zebra_commit"); + ZEBRA_CHECK_HANDLE(zh); return zebra_commit_ex(zh, 0); } -int zebra_init (ZebraHandle zh) + +ZEBRA_RES zebra_init(ZebraHandle zh) { const char *rval; BFiles bfs = 0; - ASSERTZH; - yaz_log(log_level,"zebra_init"); - zh->errCode=0; + yaz_log(log_level, "zebra_init"); + + ZEBRA_CHECK_HANDLE(zh); + + zebra_select_default_database(zh); if (!zh->res) { - zh->errCode = 109; - return -1; + zebra_setError(zh, YAZ_BIB1_TEMPORARY_SYSTEM_ERROR, + "cannot select default database"); + return ZEBRA_FAIL; } rval = res_get (zh->res, "shadow"); - bfs = bfs_create (res_get (zh->service->global_res, "register"), - zh->path_reg); + bfs = bfs_create (res_get (zh->res, "register"), zh->path_reg); if (!bfs) - return -1; + { + zebra_setError(zh, YAZ_BIB1_TEMPORARY_SYSTEM_ERROR, "bfs_create"); + return ZEBRA_FAIL; + } if (rval && *rval) bf_cache (bfs, rval); bf_reset (bfs); bfs_destroy (bfs); zebra_set_state (zh, 'o', 0); - return 0; + return ZEBRA_OK; } -int zebra_compact (ZebraHandle zh) +ZEBRA_RES zebra_compact(ZebraHandle zh) { BFiles bfs; - ASSERTZH; - yaz_log(log_level,"zebra_compact"); - zh->errCode=0; + + yaz_log(log_level, "zebra_compact"); + ZEBRA_CHECK_HANDLE(zh); if (!zh->res) { - zh->errCode = 109; - return -1; + zh->errCode = YAZ_BIB1_DATABASE_UNAVAILABLE; + return ZEBRA_FAIL; } bfs = bfs_create (res_get (zh->res, "register"), zh->path_reg); inv_compact (bfs); bfs_destroy (bfs); - return 0; + return ZEBRA_OK; } -int zebra_result (ZebraHandle zh, int *code, char **addinfo) +void zebra_result(ZebraHandle zh, int *code, char **addinfo) { - ASSERTZH; - yaz_log(log_level,"zebra_result"); - *code = zh->errCode; - *addinfo = zh->errString; - return 0; + yaz_log(log_level, "zebra_result"); + if (zh) + { + *code = zh->errCode; + *addinfo = zh->errString; + } + else + { + *code = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR; + *addinfo ="ZebraHandle is NULL"; + } } -int zebra_shadow_enable (ZebraHandle zh, int value) +void zebra_shadow_enable(ZebraHandle zh, int value) { ASSERTZH; - yaz_log(log_level,"zebra_shadow_enable"); - zh->errCode=0; + yaz_log(log_level, "zebra_shadow_enable"); zh->shadow_enable = value; - return 0; } -int zebra_octet_term_encoding(ZebraHandle zh, const char *encoding) +ZEBRA_RES zebra_octet_term_encoding(ZebraHandle zh, const char *encoding) { - ASSERTZH; + yaz_log(log_level, "zebra_octet_term_encoding %s", encoding); + ZEBRA_CHECK_HANDLE(zh); assert(encoding); - yaz_log(log_level,"zebra_octet_term_encoding"); - zh->errCode = 0; if (zh->iconv_to_utf8 != 0) yaz_iconv_close(zh->iconv_to_utf8); @@ -1891,30 +2215,27 @@ int zebra_octet_term_encoding(ZebraHandle zh, const char *encoding) if (zh->iconv_to_utf8 == 0) yaz_log (YLOG_WARN, "iconv: UTF-8 to %s unsupported", encoding); - return 0; + return ZEBRA_OK; } -int zebra_record_encoding (ZebraHandle zh, const char *encoding) +ZEBRA_RES zebra_record_encoding (ZebraHandle zh, const char *encoding) { - ASSERTZH; - yaz_log(log_level,"zebra_record_encoding"); - zh->errCode = 0; - xfree (zh->record_encoding); + yaz_log(log_level, "zebra_record_encoding"); + ZEBRA_CHECK_HANDLE(zh); + xfree(zh->record_encoding); zh->record_encoding = 0; if (encoding) zh->record_encoding = xstrdup (encoding); - return 0; + return ZEBRA_OK; } -int zebra_set_resource(ZebraHandle zh, const char *name, const char *value) +void zebra_set_resource(ZebraHandle zh, const char *name, const char *value) { - ASSERTZH; assert(name); assert(value); - yaz_log(log_level,"zebra_set_resource %s:%s",name,value); - zh->errCode=0; + yaz_log(log_level, "zebra_set_resource %s:%s", name, value); + ASSERTZH; res_set(zh->res, name, value); - return 0; } const char *zebra_get_resource(ZebraHandle zh, @@ -1923,10 +2244,8 @@ const char *zebra_get_resource(ZebraHandle zh, const char *v; ASSERTZH; assert(name); - assert(defaultvalue); - v= res_get_def( zh->res, name, (char *)defaultvalue); - zh->errCode=0; - yaz_log(log_level,"zebra_get_resource %s:%s",name,v); + v = res_get_def (zh->res, name, (char *)defaultvalue); + yaz_log(log_level, "zebra_get_resource %s:%s", name, v); return v; } @@ -1935,168 +2254,176 @@ const char *zebra_get_resource(ZebraHandle zh, int zebra_trans_no (ZebraHandle zh) { + yaz_log(log_level, "zebra_trans_no"); ASSERTZH; - yaz_log(log_level,"zebra_trans_no"); return zh->trans_no; } int zebra_get_shadow_enable (ZebraHandle zh) { + yaz_log(log_level, "zebra_get_shadow_enable"); ASSERTZH; - yaz_log(log_level,"zebra_get_shadow_enable"); - return (zh->shadow_enable); + return zh->shadow_enable; } -int zebra_set_shadow_enable (ZebraHandle zh, int value) +void zebra_set_shadow_enable (ZebraHandle zh, int value) { + yaz_log(log_level, "zebra_set_shadow_enable %d",value); ASSERTZH; - yaz_log(log_level,"zebra_set_shadow_enable %d",value); zh->shadow_enable = value; - return 0; -} - -/* Used by Perl API.. Added the record buffer dup to zebra_records_retrieve - so that it's identicical to the original api_records_retrieve */ -void api_records_retrieve (ZebraHandle zh, ODR stream, - const char *setname, Z_RecordComposition *comp, - oid_value input_format, int num_recs, - ZebraRetrievalRecord *recs) -{ - zebra_records_retrieve(zh, stream, setname, comp, input_format, - num_recs, recs); } -/* --------------------------------------------------------------------------- - Record insert(=update), delete - - If sysno is provided, then it's used to identify the record. - If not, and match_criteria is provided, then sysno is guessed - If not, and a record is provided, then sysno is got from there -NOTE: Now returns 0 at success and updates sysno, which is an int* - 20-jun-2003 Heikki -*/ - -int zebra_add_record(ZebraHandle zh, - const char *buf, int buf_size) +ZEBRA_RES zebra_add_record(ZebraHandle zh, + const char *buf, int buf_size) { - SYSNO sysno = 0; - return zebra_update_record(zh, 0, &sysno, 0, 0, buf, buf_size, 0); + return zebra_update_record(zh, 0, 0 /* sysno */, 0, 0, buf, buf_size, 0); } -int zebra_insert_record (ZebraHandle zh, - const char *recordType, - SYSNO *sysno, const char *match, const char *fname, - const char *buf, int buf_size, int force_update) +ZEBRA_RES zebra_insert_record(ZebraHandle zh, + const char *recordType, + zint *sysno, const char *match, + const char *fname, + const char *buf, int buf_size, int force_update) { - int res; + ZEBRA_RES res; ASSERTZH; assert(sysno); assert(buf); yaz_log(log_level, "zebra_insert_record sysno=" ZINT_FORMAT, *sysno); - if (buf_size < 1) buf_size = strlen(buf); - - if (zebra_begin_trans(zh, 1)) - return 1; - res = buffer_extract_record (zh, buf, buf_size, - 0, /* delete_flag */ - 0, /* test_mode */ - recordType, - sysno, - match, fname, - 0, - 0); /* allow_update */ - zebra_end_trans(zh); + if (buf_size < 1) + buf_size = strlen(buf); + + if (zebra_begin_trans(zh, 1) == ZEBRA_FAIL) + return ZEBRA_FAIL; + res = zebra_buffer_extract_record(zh, buf, buf_size, + 0, /* delete_flag */ + 0, /* test_mode */ + recordType, + sysno, + match, fname, + 0, + 0); /* allow_update */ + if (zebra_end_trans(zh) != ZEBRA_OK) + { + yaz_log(YLOG_WARN, "zebra_end_trans failed"); + res = ZEBRA_FAIL; + } return res; } -int zebra_update_record (ZebraHandle zh, - const char *recordType, - SYSNO* sysno, const char *match, const char *fname, - const char *buf, int buf_size, - int force_update) +ZEBRA_RES zebra_update_record(ZebraHandle zh, + const char *recordType, + zint *sysno, const char *match, + const char *fname, + const char *buf, int buf_size, + int force_update) { - int res; - ASSERTZH; - assert(sysno); + ZEBRA_RES res; + + ZEBRA_CHECK_HANDLE(zh); + assert(buf); - yaz_log(log_level, "zebra_update_record sysno=" ZINT_FORMAT, *sysno); + yaz_log(log_level, "zebra_update_record"); + if (sysno) + yaz_log(log_level, " sysno=" ZINT_FORMAT, *sysno); if (buf_size < 1) buf_size = strlen(buf); - if (zebra_begin_trans(zh, 1)) - return 1; - res = buffer_extract_record (zh, buf, buf_size, - 0, /* delete_flag */ - 0, /* test_mode */ - recordType, - sysno, - match, fname, - force_update, - 1); /* allow_update */ - zebra_end_trans(zh); + if (zebra_begin_trans(zh, 1) == ZEBRA_FAIL) + return ZEBRA_FAIL; + res = zebra_buffer_extract_record(zh, buf, buf_size, + 0, /* delete_flag */ + 0, /* test_mode */ + recordType, + sysno, + match, fname, + force_update, + 1); /* allow_update */ + if (zebra_end_trans(zh) != ZEBRA_OK) + { + yaz_log(YLOG_WARN, "zebra_end_trans failed"); + res = ZEBRA_FAIL; + } return res; } -int zebra_delete_record (ZebraHandle zh, - const char *recordType, - SYSNO *sysno, const char *match, const char *fname, - const char *buf, int buf_size, - int force_update) +ZEBRA_RES zebra_delete_record(ZebraHandle zh, + const char *recordType, + zint *sysno, const char *match, + const char *fname, + const char *buf, int buf_size, + int force_update) { - int res; - ASSERTZH; - assert(sysno); + ZEBRA_RES res; + + ZEBRA_CHECK_HANDLE(zh); + assert(buf); - yaz_log(log_level, "zebra_delete_record sysno=" ZINT_FORMAT, *sysno); + yaz_log(log_level, "zebra_delete_record"); + if (sysno) + yaz_log(log_level, " sysno=" ZINT_FORMAT, *sysno); if (buf_size < 1) buf_size = strlen(buf); - if (zebra_begin_trans(zh, 1)) - return 1; - res = buffer_extract_record (zh, buf, buf_size, - 1, /* delete_flag */ - 0, /* test_mode */ - recordType, - sysno, - match,fname, - force_update, - 1); /* allow_update */ - zebra_end_trans(zh); - return res; + if (zebra_begin_trans(zh, 1) == ZEBRA_FAIL) + return ZEBRA_FAIL; + res = zebra_buffer_extract_record(zh, buf, buf_size, + 1, /* delete_flag */ + 0, /* test_mode */ + recordType, + sysno, + match,fname, + force_update, + 1); /* allow_update */ + if (zebra_end_trans(zh) != ZEBRA_OK) + { + yaz_log(YLOG_WARN, "zebra_end_trans failed"); + res = ZEBRA_FAIL; + } + return res; } /* --------------------------------------------------------------------------- Searching */ -int zebra_search_PQF (ZebraHandle zh, const char *pqf_query, - const char *setname, int *numhits) +ZEBRA_RES zebra_search_PQF(ZebraHandle zh, const char *pqf_query, + const char *setname, zint *hits) { - int hits = 0; - int res=-1; + zint lhits = 0; + ZEBRA_RES res = ZEBRA_OK; Z_RPNQuery *query; - ODR odr = odr_createmem(ODR_ENCODE); - ASSERTZH; + ODR odr; + + + ZEBRA_CHECK_HANDLE(zh); + + odr = odr_createmem(ODR_ENCODE); + assert(pqf_query); assert(setname); - yaz_log(log_level,"zebra_search_PQF s=%s q=%s",setname, pqf_query); + yaz_log(log_level, "zebra_search_PQF s=%s q=%s", setname, pqf_query); query = p_query_rpn (odr, PROTO_Z3950, pqf_query); if (!query) + { yaz_log (YLOG_WARN, "bad query %s\n", pqf_query); + zh->errCode = YAZ_BIB1_MALFORMED_QUERY; + res = ZEBRA_FAIL; + } else - res=zebra_search_RPN (zh, odr, query, setname, &hits); + res = zebra_search_RPN(zh, odr, query, setname, &lhits); odr_destroy(odr); - yaz_log(log_level,"Hits: %d",hits); + yaz_log(log_level, "Hits: " ZINT_FORMAT, lhits); - if (numhits) - *numhits=hits; + if (hits) + *hits = lhits; return res; } @@ -2104,8 +2431,7 @@ int zebra_search_PQF (ZebraHandle zh, const char *pqf_query, /* --------------------------------------------------------------------------- Sort - a simplified interface, with optional read locks. */ -int zebra_sort_by_specstr (ZebraHandle zh, - ODR stream, +int zebra_sort_by_specstr (ZebraHandle zh, ODR stream, const char *sort_spec, const char *output_setname, const char **input_setnames) @@ -2113,17 +2439,18 @@ int zebra_sort_by_specstr (ZebraHandle zh, int num_input_setnames = 0; int sort_status = 0; Z_SortKeySpecList *sort_sequence; - ASSERTZH; + + ZEBRA_CHECK_HANDLE(zh); assert(stream); assert(sort_spec); assert(output_setname); assert(input_setnames); sort_sequence = yaz_sort_spec (stream, sort_spec); - yaz_log(log_level,"sort (FIXME) "); + yaz_log(log_level, "sort (FIXME) "); if (!sort_sequence) { - yaz_log(YLOG_WARN,"invalid sort specs '%s'", sort_spec); - zh->errCode = 207; + yaz_log(YLOG_WARN, "invalid sort specs '%s'", sort_spec); + zh->errCode = YAZ_BIB1_CANNOT_SORT_ACCORDING_TO_SEQUENCE; return -1; } @@ -2141,3 +2468,64 @@ int zebra_sort_by_specstr (ZebraHandle zh, return sort_status; } +/* --------------------------------------------------------------------------- + Get BFS for Zebra system (to make alternative storage methods) +*/ +struct BFiles_struct *zebra_get_bfs(ZebraHandle zh) +{ + if (zh && zh->reg) + return zh->reg->bfs; + return 0; +} + + +/* --------------------------------------------------------------------------- + Set limit for search/scan +*/ +ZEBRA_RES zebra_set_limit(ZebraHandle zh, int complement_flag, zint *ids) +{ + ZEBRA_CHECK_HANDLE(zh); + zebra_limit_destroy(zh->m_limit); + zh->m_limit = zebra_limit_create(complement_flag, ids); + return ZEBRA_OK; +} + +/* + Set Error code + addinfo +*/ +void zebra_setError(ZebraHandle zh, int code, const char *addinfo) +{ + if (!zh) + return; + zh->errCode = code; + nmem_reset(zh->nmem_error); + zh->errString = addinfo ? nmem_strdup(zh->nmem_error, addinfo) : 0; +} + +void zebra_setError_zint(ZebraHandle zh, int code, zint i) +{ + char vstr[60]; + sprintf(vstr, ZINT_FORMAT, i); + + zh->errCode = code; + nmem_reset(zh->nmem_error); + zh->errString = nmem_strdup(zh->nmem_error, vstr); +} + +void zebra_lock_prefix(Res res, char *path) +{ + const char *lock_dir = res_get_def (res, "lockDir", ""); + + strcpy(path, lock_dir); + if (*path && path[strlen(path)-1] != '/') + strcat (path, "/"); +} + +/* + * Local variables: + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + * vim: shiftwidth=4 tabstop=8 expandtab + */ +