X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=index%2Fzebraapi.c;h=1bb461b2cd010af735e13b7cc634f82cd45f4623;hp=6f56a0519d8dc8da7eb79d4a4e45c27f3ad9baa1;hb=13bf0c380e98816595127291b64368dd9b8ca639;hpb=2d6227440bb26674cab2091b3d79c1934995b762 diff --git a/index/zebraapi.c b/index/zebraapi.c index 6f56a05..3d9d89f 100644 --- a/index/zebraapi.c +++ b/index/zebraapi.c @@ -1,278 +1,853 @@ -/* - * Copyright (C) 1995-1998, Index Data - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: zebraapi.c,v $ - * Revision 1.10 1998-09-22 10:03:42 adam - * Changed result sets to be persistent in the sense that they can - * be re-searched if needed. - * Fixed memory leak in rsm_or. - * - * Revision 1.9 1998/09/02 13:53:17 adam - * Extra parameter decode added to search routines to implement - * persistent queries. - * - * Revision 1.8 1998/08/24 17:29:23 adam - * Minor changes. - * - * Revision 1.7 1998/06/24 12:16:13 adam - * Support for relations on text operands. Open range support in - * DFA module (i.e. [-j], [g-]). - * - * Revision 1.6 1998/06/22 11:36:47 adam - * Added authentication check facility to zebra. - * - * Revision 1.5 1998/06/13 00:14:08 adam - * Minor changes. - * - * Revision 1.4 1998/06/12 12:22:12 adam - * Work on Zebra API. - * - * Revision 1.3 1998/05/27 16:57:44 adam - * Zebra returns surrogate diagnostic for single records when - * appropriate. - * - * Revision 1.2 1998/05/20 10:12:19 adam - * Implemented automatic EXPLAIN database maintenance. - * Modified Zebra to work with ASN.1 compiled version of YAZ. - * - * Revision 1.1 1998/03/05 08:45:13 adam - * New result set model and modular ranking system. Moved towards - * descent server API. System information stored as "SGML" records. - * - */ +/* $Id: zebraapi.c,v 1.128 2004-09-03 14:59:49 heikki Exp $ + Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004 + Index Data Aps +This file is part of the Zebra server. + +Zebra is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +Zebra is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with Zebra; see the file LICENSE.zebra. If not, write to the +Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. +*/ + +#include #include -#ifdef WINDOWS +#include +#ifdef WIN32 #include #include +#include #else #include #endif -#include -#include "zserver.h" +#include +#include +#include +#include "index.h" +#include +#include + +/* 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) + +/* A simple log macro */ +/* don't break with older yazen that lack log_app2 */ +#ifdef LOG_APP2 +#define LOG_API LOG_APP2 +#else +#define LOG_API LOG_DEBUG +#endif + +static Res zebra_open_res (ZebraHandle zh); +static void zebra_close_res (ZebraHandle zh); + + +static void zebra_chdir (ZebraService zs) +{ + const char *dir ; + ASSERTZS; + yaz_log(LOG_API,"zebra_chdir"); + dir = res_get (zs->global_res, "chdir"); + if (!dir) + return; + logf (LOG_DEBUG, "chdir %s", dir); +#ifdef WIN32 + _chdir(dir); +#else + chdir (dir); +#endif +} + +static void zebra_flush_reg (ZebraHandle zh) +{ + ASSERTZH; + yaz_log(LOG_API,"zebra_flush_reg"); + zh->errCode=0; + zebraExplain_flush (zh->reg->zei, zh); + + extract_flushWriteKeys (zh,1 /* final */); + zebra_index_merge (zh ); +} + +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 zh; + const char *default_encoding; + ASSERTZS; + yaz_log(LOG_API,"zebra_open"); + + if (!zs) + return 0; + + zh = (ZebraHandle) xmalloc (sizeof(*zh)); + yaz_log (LOG_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->user_perm = 0; + + zh->reg_name = xstrdup (""); + zh->path_reg = 0; + zh->num_basenames = 0; + zh->basenames = 0; + + zh->trans_no = 0; + zh->trans_w_no = 0; + + zh->lock_normal = 0; + zh->lock_shadow = 0; + + zh->shadow_enable = 1; + + default_encoding = res_get_def(zs->global_res, "encoding", "ISO-8859-1"); + zh->record_encoding = xstrdup (default_encoding); -static int zebra_register_lock (ZebraHandle zh) + zh->iconv_to_utf8 = + yaz_iconv_open ("UTF-8", default_encoding); + if (zh->iconv_to_utf8 == 0) + yaz_log (LOG_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 (LOG_WARN, "iconv: UTF-8 to %s unsupported", + default_encoding); + + zebra_mutex_cond_lock (&zs->session_lock); + + zh->next = zs->sessions; + zs->sessions = zh; + + zebra_mutex_cond_unlock (&zs->session_lock); + + 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; + + yaz_log(LOG_API|LOG_LOG,"zebra_start %s",configName); + + if ((res = res_open (configName, def_res, over_res))) + { + ZebraService zh = xmalloc (sizeof(*zh)); + + yaz_log (LOG_DEBUG, "Read resources `%s'", configName); + + 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")) + zh->passwd_db = NULL; + else + { + zh->passwd_db = passwd_db_open (); + if (!zh->passwd_db) + logf (LOG_WARN|LOG_ERRNO, "passwd_db_open failed"); + else + passwd_db_file (zh->passwd_db, + res_get (zh->global_res, "passwd")); + } + zh->path_root = res_get (zh->global_res, "root"); + return zh; + } + return 0; +} + + +void zebra_pidfname(ZebraService zs, char *path) +{ + zebra_lock_prefix (zs->global_res, path); + strcat(path, "zebrasrv.pid"); +} + +static +struct zebra_register *zebra_register_open (ZebraService zs, const char *name, + int rw, int useshadow, Res res, + const char *reg_path) { - time_t lastChange; - int state = zebra_server_lock_get_state(zh, &lastChange); + struct zebra_register *reg; + int record_compression = REC_COMPRESS_NONE; + const char *recordCompression = 0; + const char *profilePath; + char cwd[1024]; - switch (state) + ASSERTZS; + + reg = xmalloc (sizeof(*reg)); + + assert (name); + reg->name = xstrdup (name); + + reg->seqno = 0; + reg->last_val = 0; + + assert (res); + + yaz_log (LOG_LOG|LOG_API, "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); + if (!reg->dh) + return 0; + reg->bfs = bfs_create (res_get (res, "register"), reg_path); + if (!reg->bfs) { - case 'c': - state = 1; - break; - default: - state = 0; + data1_destroy(reg->dh); + return 0; } - zebra_server_lock (zh, state); -#if USE_TIMES - times (&zh->tms1); + if (useshadow) + bf_cache (reg->bfs, res_get (res, "shadow")); + + getcwd(cwd, sizeof(cwd)-1); + profilePath = res_get_def(res, "profilePath", DEFAULT_PROFILE_PATH); + yaz_log(LOG_LOG, "profilePath=%s cwd=%s", profilePath, cwd); + + data1_set_tabpath (reg->dh, profilePath); + data1_set_tabroot (reg->dh, reg_path); + reg->recTypes = recTypes_init (reg->dh); + recTypes_default_handlers (reg->recTypes); + + reg->zebra_maps = zebra_maps_open (res, reg_path); + reg->rank_classes = NULL; + + reg->key_buf = 0; + + reg->keys.buf_max = 0; + reg->keys.buf = 0; +#if IT_KEY_NEW + reg->keys.codec_handle = iscz1_start(); #endif - if (zh->registerState == state) + + reg->sortKeys.buf = 0; + reg->sortKeys.buf_max = 0; + + reg->records = 0; + reg->dict = 0; + reg->sortIdx = 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); + zebraRankInstall (reg, rankliv_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 (!(reg->records = rec_open (reg->bfs, rw, record_compression))) { - if (zh->registerChange >= lastChange) - return 0; - logf (LOG_LOG, "Register completely updated since last access"); + logf (LOG_WARN, "rec_open"); + return 0; } - else if (zh->registerState == -1) - logf (LOG_LOG, "Reading register using state %d pid=%ld", state, - (long) getpid()); - else - logf (LOG_LOG, "Register has changed state from %d to %d", - zh->registerState, state); - zh->registerChange = lastChange; - if (zh->records) - { - zebraExplain_close (zh->zei, 0, 0); - dict_close (zh->dict); - sortIdx_close (zh->sortIdx); - if (zh->isam) - is_close (zh->isam); - if (zh->isamc) - isc_close (zh->isamc); - rec_close (&zh->records); - } - bf_cache (zh->bfs, state ? res_get (zh->res, "shadow") : NULL); - zh->registerState = state; - zh->records = rec_open (zh->bfs, 0); - if (!(zh->dict = dict_open (zh->bfs, FNAME_DICT, 40, 0))) + if (rw) + { + reg->matchDict = dict_open (reg->bfs, GMATCH_DICT, 20, 1, 0); + } + if (!(reg->dict = dict_open (reg->bfs, FNAME_DICT, 40, rw, 0))) { logf (LOG_WARN, "dict_open"); - return -1; + return 0; } - if (!(zh->sortIdx = sortIdx_open (zh->bfs, 0))) + if (!(reg->sortIdx = sortIdx_open (reg->bfs, rw))) { logf (LOG_WARN, "sortIdx_open"); - return -1; + return 0; + } + 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)))) + { + logf (LOG_WARN, "isams_open"); + return 0; + } } - zh->isam = NULL; - zh->isamc = NULL; - if (!res_get_match (zh->res, "isam", "i", NULL)) + if (res_get_match (res, "isam", "c", ISAM_DEFAULT)) { - if (!(zh->isamc = isc_open (zh->bfs, FNAME_ISAMC, - 0, key_isamc_m(zh->res)))) + struct ISAMC_M_s isamc_m; + if (!(reg->isamc = isc_open (reg->bfs, FNAME_ISAMC, + rw, key_isamc_m(res, &isamc_m)))) { logf (LOG_WARN, "isc_open"); - return -1; + return 0; } - } - else + if (res_get_match (res, "isam", "b", ISAM_DEFAULT)) { - if (!(zh->isam = is_open (zh->bfs, FNAME_ISAM, key_compare, 0, - sizeof (struct it_key), zh->res))) + struct ISAMC_M_s isamc_m; + + if (!(reg->isamb = isamb_open (reg->bfs, "isamb", + rw, key_isamc_m(res, &isamc_m), 0))) { - logf (LOG_WARN, "is_open"); - return -1; + logf (LOG_WARN, "isamb_open"); + return 0; + } + } + 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))) + { + logf (LOG_WARN, "isamb_open"); + return 0; + } + } + 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))) + { + logf (LOG_WARN, "isamb_open"); + return 0; } } - zh->zei = zebraExplain_open (zh->records, zh->dh, zh->res, 0, 0, 0); + reg->zei = zebraExplain_open (reg->records, reg->dh, + res, rw, reg, + explain_extract); + if (!reg->zei) + { + logf (LOG_WARN, "Cannot obtain EXPLAIN information"); + return 0; + } + reg->active = 2; + yaz_log (LOG_DEBUG, "zebra_register_open ok p=%p", reg); + return reg; +} + +int zebra_admin_shutdown (ZebraHandle zh) +{ + ASSERTZH; + yaz_log(LOG_API,"zebra_admin_shutdown"); + zh->errCode=0; + zebra_mutex_cond_lock (&zh->service->session_lock); + zh->service->stop_flag = 1; + zebra_mutex_cond_unlock (&zh->service->session_lock); return 0; } -static void zebra_register_unlock (ZebraHandle zh) +int zebra_admin_start (ZebraHandle zh) { - static int waitSec = -1; + ZebraService zs; + ASSERTZH; + yaz_log(LOG_API,"zebra_admin_start"); + zh->errCode=0; + zs = zh->service; + zebra_mutex_cond_lock (&zs->session_lock); + zebra_mutex_cond_unlock (&zs->session_lock); + return 0; +} -#if USE_TIMES - times (&zh->tms2); - logf (LOG_LOG, "user/system: %ld/%ld", - (long) (zh->tms2.tms_utime - zh->tms1.tms_utime), - (long) (zh->tms2.tms_stime - zh->tms1.tms_stime)); -#endif - if (waitSec == -1) +static void zebra_register_close (ZebraService zs, struct zebra_register *reg) +{ + ASSERTZS; + yaz_log(LOG_LOG|LOG_API, "zebra_register_close p=%p", reg); + reg->stop_flag = 0; + zebra_chdir (zs); + if (reg->records) { - char *s = res_get (zh->res, "debugRequestWait"); - if (s) - waitSec = atoi (s); - else - waitSec = 0; + 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); } -#ifdef WINDOWS -#else - if (waitSec > 0) - sleep (waitSec); + + recTypes_destroy (reg->recTypes); + zebra_maps_close (reg->zebra_maps); + zebraRankDestroy (reg); + bfs_destroy (reg->bfs); + data1_destroy (reg->dh); + + xfree (reg->sortKeys.buf); + xfree (reg->keys.buf); +#if IT_KEY_NEW + if (reg->keys.codec_handle) + iscz1_stop(reg->keys.codec_handle); #endif - if (zh->registerState != -1) - zebra_server_unlock (zh, zh->registerState); + + xfree (reg->key_buf); + xfree (reg->name); + xfree (reg); } -ZebraHandle zebra_open (const char *configName) +int zebra_stop(ZebraService zs) { - ZebraHandle zh = xmalloc (sizeof(*zh)); + if (!zs) + return 0; + yaz_log (LOG_LOG|LOG_API, "zebra_stop"); - if (!(zh->res = res_open (configName))) + while (zs->sessions) { - logf (LOG_WARN, "Failed to read resources `%s'", configName); - return NULL; + zebra_close (zs->sessions); } - zebra_server_lock_init (zh); - zh->dh = data1_create (); - zh->bfs = bfs_create (res_get (zh->res, "register")); - bf_lockDir (zh->bfs, res_get (zh->res, "lockDir")); - data1_set_tabpath (zh->dh, res_get(zh->res, "profilePath")); - zh->sets = NULL; - zh->registerState = -1; /* trigger open of registers! */ - zh->registerChange = 0; - - zh->records = NULL; - zh->zebra_maps = zebra_maps_open (zh->res); - zh->rank_classes = NULL; - zh->errCode = 0; - zh->errString = 0; + + zebra_mutex_cond_destroy (&zs->session_lock); + + if (zs->passwd_db) + passwd_db_close (zs->passwd_db); + + res_close (zs->global_res); + xfree (zs->configName); + xfree (zs); + return 0; +} + +int zebra_close (ZebraHandle zh) +{ + ZebraService zs; + struct zebra_session **sp; + int i; + + yaz_log(LOG_API,"zebra_close"); + if (!zh) + return 0; + ASSERTZH; + zh->errCode=0; - zebraRankInstall (zh, rank1_class); + zs = zh->service; + yaz_log (LOG_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); + + xfree (zh->record_encoding); + + 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); - if (!res_get (zh->res, "passwd")) - zh->passwd_db = NULL; + 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 */ + xfree (zh->path_reg); + xfree (zh); + return 0; +} + +struct map_baseinfo { + ZebraHandle zh; + NMEM mem; + int num_bases; + char **basenames; + int new_num_bases; + char **new_basenames; + int new_num_max; +}; + +static Res zebra_open_res (ZebraHandle zh) +{ + Res res = 0; + char fname[512]; + ASSERTZH; + 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; + } + else if (*zh->reg_name == 0) + { + res = zh->service->global_res; + } else { - zh->passwd_db = passwd_db_open (); - if (!zh->passwd_db) - logf (LOG_WARN|LOG_ERRNO, "passwd_db_open failed"); - else - passwd_db_file (zh->passwd_db, res_get (zh->res, "passwd")); + yaz_log (LOG_WARN, "no register root specified"); + return 0; /* no path for register - fail! */ } - return zh; + return res; } -void zebra_close (ZebraHandle zh) +static void zebra_close_res (ZebraHandle zh) { - if (zh->records) + ASSERTZH; + zh->errCode=0; + if (zh->res != zh->service->global_res) + res_close (zh->res); + zh->res = 0; +} + +static int zebra_select_register (ZebraHandle zh, const char *new_reg) +{ + ASSERTZH; + zh->errCode=0; + if (zh->res && strcmp (zh->reg_name, new_reg) == 0) + return 0; + if (!zh->res) + { + assert (zh->reg == 0); + assert (*zh->reg_name == 0); + } + else { - resultSetDestroy (zh); - zebraExplain_close (zh->zei, 0, 0); - dict_close (zh->dict); - sortIdx_close (zh->sortIdx); - if (zh->isam) - is_close (zh->isam); - if (zh->isamc) - isc_close (zh->isamc); - rec_close (&zh->records); - zebra_register_unlock (zh); + if (zh->reg) + { + resultSetInvalidate (zh); + zebra_register_close (zh->service, zh->reg); + zh->reg = 0; + } + zebra_close_res(zh); } - zebra_maps_close (zh->zebra_maps); - zebraRankDestroy (zh); - bfs_destroy (zh->bfs); - data1_destroy (zh->dh); - zebra_server_lock_destroy (zh); + xfree (zh->reg_name); + zh->reg_name = xstrdup (new_reg); - if (zh->passwd_db) - passwd_db_close (zh->passwd_db); - res_close (zh->res); - xfree (zh); + 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); + } + } + zh->res = 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, 0); + + sprintf (fname, "shadow.%s.LCK", zh->reg_name); + zh->lock_shadow = + zebra_lock_create (res_get(zh->res, "lockDir"), fname, 0); + + } + return 1; } -void zebra_search_rpn (ZebraHandle zh, ODR stream, ODR decode, - Z_RPNQuery *query, int num_bases, char **basenames, - const char *setname) +void map_basenames_func (void *vp, const char *name, const char *value) { - zebra_register_lock (zh); - zh->errCode = 0; - zh->errString = NULL; + struct map_baseinfo *p = (struct map_baseinfo *) vp; + int i, no; + char fromdb[128], todb[8][128]; + + 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; inum_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; + } +} + +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_API,"map_basenames "); + zh->errCode=0; + + 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->service->global_res, "mapdb", &info, map_basenames_func); + + for (i = 0; inum_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++) + logf (LOG_LOG, "base %s", (*basenames)[i]); +} + +int zebra_select_database (ZebraHandle zh, const char *basename) +{ + ASSERTZH; + yaz_log(LOG_API,"zebra_select_database %s",basename); + zh->errCode=0; + return zebra_select_databases (zh, 1, &basename); +} + +int zebra_select_databases (ZebraHandle zh, int num_bases, + const char **basenames) +{ + int i; + const char *cp; + int len = 0; + char *new_reg = 0; + ASSERTZH; + yaz_log(LOG_API,"zebra_select_databases n=%d [0]=%s", + num_bases,basenames[0]); + zh->errCode=0; + + if (num_bases < 1) + { + zh->errCode = 23; + return -1; + } + 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; ierrCode = 23; + return -1; + } + if (len != cp1 - basenames[i] || + memcmp (basenames[i], new_reg, len)) + { + zh->errCode = 23; + return -1; + } + } + else + { + if (cp1) + { + zh->errCode = 23; + return -1; + } + } + } + zebra_select_register (zh, new_reg); + xfree (new_reg); + if (!zh->res) + { + zh->errCode = 109; + return -1; + } + if (!zh->lock_normal || !zh->lock_shadow) + { + zh->errCode = 2; + return -1; + } + return 0; +} + +int zebra_search_RPN (ZebraHandle zh, ODR o, + Z_RPNQuery *query, const char *setname, int *hits) +{ + const char *max; + zint maxhits; + ASSERTZH; + yaz_log(LOG_API,"zebra_search_rpn"); + zh->errCode=0; zh->hits = 0; + *hits = 0; + + if (zebra_begin_read (zh)) + return 1; - resultSetAddRPN (zh, stream, decode, query, num_bases, basenames, setname); + zebra_livcode_transform(zh, query); - zebra_register_unlock (zh); + resultSetAddRPN (zh, odr_extract_mem(o), query, + zh->num_basenames, zh->basenames, setname); + + zebra_end_read (zh); + max = res_get (zh->res, "maxhits"); + if (max) + maxhits=atoi(max); + else { + int i=0; + maxhits=INT_MAX; + while (maxhits>100) { maxhits/=10; i++;} + while (i--) maxhits *= 10; + } + if (zh->hits > maxhits) { /* too large for yaz to handle */ + logf(LOG_LOG,"limiting hits to "ZINT_FORMAT, maxhits); + *hits=maxhits; /* round it down to two digits, to look like rounded */ + } + else + *hits = zh->hits; + return 0; } -void zebra_records_retrieve (ZebraHandle zh, ODR stream, +int zebra_records_retrieve (ZebraHandle zh, ODR stream, const char *setname, Z_RecordComposition *comp, oid_value input_format, int num_recs, ZebraRetrievalRecord *recs) { ZebraPosSet poset; - int i, *pos_array; + int i, *pos_array, ret = 0; + ASSERTZH; + yaz_log(LOG_API,"zebra_records_retrieve n=%d",num_recs); + zh->errCode=0; + if (!zh->res) + { + zh->errCode = 30; + zh->errString = odr_strdup (stream, setname); + return -1; + } + zh->errCode = 0; - zh->errString = NULL; - pos_array = xmalloc (num_recs * sizeof(*pos_array)); - for (i = 0; ierrCode = 13; + zh->errCode = 30; + zh->errString = nmem_strdup (stream->mem, setname); + ret = -1; } else { for (i = 0; ierrCode = 13; - logf (LOG_DEBUG, "Out of range. pos=%d", pos_array[i]); + 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 + else if (poset[i].sysno) { recs[i].errCode = zebra_record_fetch (zh, poset[i].sysno, poset[i].score, @@ -282,84 +857,1237 @@ void zebra_records_retrieve (ZebraHandle zh, ODR stream, &recs[i].base); recs[i].errString = NULL; } + else + { + char num_str[20]; + + sprintf (num_str, "%d", pos_array[i]); + zh->errCode = 13; + zh->errString = odr_strdup (stream, num_str); + ret = -1; + break; + } } zebraPosSetDestroy (zh, poset, num_recs); } - zebra_register_unlock (zh); + zebra_end_read (zh); xfree (pos_array); + return ret; } -void zebra_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, +int zebra_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, oid_value attributeset, - int num_bases, char **basenames, int *position, int *num_entries, ZebraScanEntry **entries, int *is_partial) { - zh->errCode = 0; - zh->errString = NULL; - zebra_register_lock (zh); + ASSERTZH; + yaz_log(LOG_API,"zebra_scan"); + zh->errCode=0; + if (zebra_begin_read (zh)) + { + *entries = 0; + *num_entries = 0; + return 1; + } rpn_scan (zh, stream, zapt, attributeset, - num_bases, basenames, position, - num_entries, entries, is_partial); - zebra_register_unlock (zh); + zh->num_basenames, zh->basenames, position, + num_entries, entries, is_partial, 0, 0); + zebra_end_read (zh); + return 0; } -void zebra_sort (ZebraHandle zh, ODR stream, +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) { - zh->errCode = 0; - zh->errString = NULL; - zebra_register_lock (zh); + ASSERTZH; + yaz_log(LOG_API,"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); - zebra_register_unlock (zh); + zebra_end_read(zh); + return 0; +} + +int zebra_deleleResultSet(ZebraHandle zh, int function, + int num_setnames, char **setnames, + int *statuses) +{ + int i, status; + ASSERTZH; + yaz_log(LOG_API,"zebra_deleleResultSet n=%d",num_setnames); + zh->errCode=0; + if (zebra_begin_read(zh)) + return Z_DeleteStatus_systemProblemAtTarget; + switch (function) + { + case Z_DeleteResultSetRequest_list: + 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; ierrCode; + if (zh) + { + yaz_log(LOG_API,"zebra_errCode: %d",zh->errCode); + return zh->errCode; + } + yaz_log(LOG_API,"zebra_errCode: o"); + return 0; } const char *zebra_errString (ZebraHandle zh) { - return diagbib1_str (zh->errCode); + const char *e=""; + if (zh) + e= diagbib1_str (zh->errCode); + yaz_log(LOG_API,"zebra_errString: %s",e); + return e; } char *zebra_errAdd (ZebraHandle zh) { - return zh->errString; + char *a=""; + if (zh) + a= zh->errString; + yaz_log(LOG_API,"zebra_errAdd: %s",a); + return a; } -int zebra_hits (ZebraHandle zh) +void zebra_clearError(ZebraHandle zh) { - return zh->hits; + if (zh) + { + zh->errCode=0; + zh->errString=""; + } } int zebra_auth (ZebraHandle zh, const char *user, const char *pass) { - if (!zh->passwd_db || !passwd_db_auth (zh->passwd_db, user, pass)) - return 0; - return 1; -} + const char *p; + char u[40]; + ZebraService zs; -void zebra_setDB (ZebraHandle zh, int num_bases, char **basenames) -{ + ASSERTZH; + zh->errCode=0; + 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"); + /* users that don't require a password .. */ + if (zh->user_perm && strchr(zh->user_perm, 'a')) + return 0; + + if (!zs->passwd_db || !passwd_db_auth (zs->passwd_db, user, pass)) + return 0; + return 1; } -void zebra_setRecordType (ZebraHandle zh, const char *type) +int zebra_admin_import_begin (ZebraHandle zh, const char *database, + const char *record_type) { - + ASSERTZH; + yaz_log(LOG_API,"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; } -void zebra_setGroup (ZebraHandle zh, const char *group) +int zebra_admin_import_end (ZebraHandle zh) { - + ASSERTZH; + yaz_log(LOG_API,"zebra_admin_import_end"); + zh->errCode=0; + zebra_end_trans (zh); + return 0; } -void zebra_admin (ZebraHandle zh, const char *command) +int zebra_admin_import_segment (ZebraHandle zh, Z_Segment *segment) { + SYSNO sysno; + int i; + ASSERTZH; + yaz_log(LOG_API,"zebra_admin_import_segment"); + zh->errCode=0; + for (i = 0; inum_segmentRecords; i++) + { + Z_NamePlusRecord *npr = segment->segmentRecords[i]; + printf ("--------------%d--------------------\n", 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; + 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); + } + } + } + return 0; +} + +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) + /* 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; + char *rinfo = 0; + char recid_z[256]; + ASSERTZH; + yaz_log(LOG_API,"zebra_admin_exchange_record ac=%d", action); + zh->errCode=0; + + if (!recid_buf || recid_len <= 0 || recid_len >= sizeof(recid_z)) + return -1; + memcpy (recid_z, recid_buf, recid_len); + recid_z[recid_len] = 0; + + if (zebra_begin_trans(zh, 1)) + return -1; + + rinfo = dict_lookup (zh->reg->matchDict, recid_z); + if (rinfo) + { + if (action == 1) /* fail if insert */ + { + zebra_end_trans(zh); + return -1; + } + + memcpy (&sysno, rinfo+1, sizeof(sysno)); + } + else + { + if (action == 2 || action == 3) /* fail if delete or update */ + { + zebra_end_trans(zh); + return -1; + } + 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 */ + ); + if (action == 1) + { + dict_insert (zh->reg->matchDict, recid_z, sizeof(sysno), &sysno); + } + else if (action == 3) + { + dict_delete (zh->reg->matchDict, recid_z); + } + zebra_end_trans(zh); + return 0; +} + +int delete_w_handle(const char *info, void *handle) +{ + ZebraHandle zh = (ZebraHandle) handle; + ISAMC_P pos; + + 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; +} + +int zebra_drop_database (ZebraHandle zh, const char *database) +{ + int ret = 0; + ASSERTZH; + yaz_log(LOG_API,"zebra_drop_database"); + zh->errCode = 0; + + if (zebra_select_database (zh, database)) + return -1; + if (zebra_begin_trans (zh, 1)) + return -1; + 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); + } + else + { + yaz_log(LOG_WARN, "drop database only supported for isam:b"); + ret = -1; + } + zebra_end_trans (zh); + return ret; +} + +int zebra_create_database (ZebraHandle zh, const char *database) +{ + ASSERTZH; + yaz_log(LOG_API,"zebra_create_database"); + zh->errCode=0; + + if (zebra_select_database (zh, database)) + return -1; + if (zebra_begin_trans (zh, 1)) + return -1; + + /* announce database */ + if (zebraExplain_newDatabase (zh->reg->zei, database, 0 + /* explainDatabase */)) + { + zebra_end_trans (zh); + zh->errCode = 224; + zh->errString = "database already exist"; + return -1; + } + zebra_end_trans (zh); + return 0; +} + +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; + yaz_log(LOG_API,"zebra_string_norm "); + zh->errCode=0; + 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); +} + + +int zebra_set_state (ZebraHandle zh, int val, int seqno) +{ + char state_fname[256]; + char *fname; + long p = getpid(); + FILE *f; + ASSERTZH; + yaz_log(LOG_API,"zebra_set_state v=%d seq=%d", val, seqno); + zh->errCode=0; + + 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 (LOG_DEBUG, "%c %d %ld", val, seqno, p); + fprintf (f, "%c %d %ld\n", val, seqno, p); + fclose (f); + xfree (fname); + return 0; +} + +int zebra_get_state (ZebraHandle zh, char *val, int *seqno) +{ + char state_fname[256]; + char *fname; + FILE *f; + + ASSERTZH; + yaz_log(LOG_API,"zebra_get_state "); + zh->errCode=0; + 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); + return 0; +} + +int zebra_begin_read (ZebraHandle zh) +{ + return zebra_begin_trans(zh, 0); +} + +int zebra_end_read (ZebraHandle zh) +{ + return zebra_end_trans(zh); +} + +static void read_res_for_transaction(ZebraHandle zh) +{ + const char *group = res_get(zh->res, "group"); + const char *v; + + zh->m_group = group; + v = res_get_prefix(zh->res, "followLinks", group, "1"); + zh->m_follow_links = atoi(v); + + zh->m_record_id = res_get_prefix(zh->res, "recordId", group, 0); + zh->m_record_type = res_get_prefix(zh->res, "recordType", group, 0); + + v = res_get_prefix(zh->res, "storeKeys", group, "1"); + zh->m_store_keys = atoi(v); + + v = res_get_prefix(zh->res, "storeData", group, "1"); + zh->m_store_data = atoi(v); + + v = res_get_prefix(zh->res, "explainDatabase", group, "0"); + zh->m_explain_database = atoi(v); + + v = res_get_prefix(zh->res, "openRW", group, "1"); + zh->m_flag_rw = atoi(v); + + v = res_get_prefix(zh->res, "fileVerboseLimit", group, "100000"); + zh->m_file_verbose_limit = atoi(v); +} + +int zebra_begin_trans (ZebraHandle zh, int rw) +{ + if (!zh->res) + { + zh->errCode = 2; + zh->errString = "zebra_begin_trans: no database selected"; + return -1; + } + ASSERTZHRES; + yaz_log(LOG_API,"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; + } + } + + assert (zh->res); + if (rw) + { + int pass; + int seqno = 0; + char val = '?'; + const char *rval = 0; + + (zh->trans_no++); + if (zh->trans_w_no) + { + read_res_for_transaction(zh); + return 0; + } + if (zh->trans_no != 1) + { + zh->errCode = 2; + zh->errString = "zebra_begin_trans: write trans not allowed within read trans"; + return -1; + } + if (zh->reg) + { + resultSetInvalidate (zh); + 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; + zh->records_processed = 0; + +#if HAVE_SYS_TIMES_H + times (&zh->tms1); +#endif + /* lock */ + if (zh->shadow_enable) + rval = res_get (zh->res, "shadow"); + + for (pass = 0; pass < 2; pass++) + { + if (rval) + { + 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 == 'c') + { + yaz_log (LOG_LOG, "previous transaction didn't finish commit"); + zebra_unlock (zh->lock_shadow); + zebra_unlock (zh->lock_normal); + zebra_commit (zh); + continue; + } + else if (val == 'd') + { + if (rval) + { + BFiles bfs = bfs_create (res_get (zh->res, "shadow"), + zh->path_reg); + yaz_log (LOG_LOG, "previous transaction didn't reach commit"); + bf_commitClean (bfs, rval); + bfs_destroy (bfs); + } + else + { + yaz_log (LOG_WARN, "your previous transaction didn't finish"); + } + } + break; + } + if (pass == 2) + { + yaz_log (LOG_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); + if (zh->reg) + zh->reg->seqno = seqno; + else + { + zebra_set_state (zh, 'o', seqno); + + zebra_unlock (zh->lock_shadow); + zebra_unlock (zh->lock_normal); + + zh->trans_no--; + zh->trans_w_no = 0; + + zh->errCode = 2; + zh->errString = "zebra_begin_trans: cannot open register"; + yaz_log(LOG_FATAL, zh->errString); + return -1; + } + } + else + { + int dirty = 0; + char val; + int seqno; + + (zh->trans_no)++; + + if (zh->trans_no != 1) + { + zebra_flush_reg (zh); + return 0; + } + zh->errCode=0; +#if HAVE_SYS_TIMES_H + times (&zh->tms1); +#endif + if (!zh->res) + { + (zh->trans_no)--; + zh->errCode = 109; + return -1; + } + if (!zh->lock_normal || !zh->lock_shadow) + { + (zh->trans_no)--; + zh->errCode = 2; + return -1; + } + zebra_get_state (zh, &val, &seqno); + if (val == 'd') + val = 'o'; + + if (!zh->reg) + dirty = 1; + else if (seqno != zh->reg->seqno) + { + yaz_log (LOG_LOG, "reopen seqno cur/old %d/%d", + seqno, zh->reg->seqno); + dirty = 1; + } + else if (zh->reg->last_val != val) + { + yaz_log (LOG_LOG, "reopen last cur/old %d/%d", + val, zh->reg->last_val); + dirty = 1; + } + if (!dirty) + return 0; + + if (val == 'c') + zebra_lock_r (zh->lock_shadow); + else + zebra_lock_r (zh->lock_normal); + + if (zh->reg) + { + resultSetInvalidate (zh); + 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); + if (!zh->reg) + { + zebra_unlock (zh->lock_normal); + zebra_unlock (zh->lock_shadow); + zh->trans_no--; + zh->errCode = 109; + return -1; + } + zh->reg->last_val = val; + zh->reg->seqno = seqno; + } + read_res_for_transaction(zh); + return 0; +} + +int zebra_end_trans (ZebraHandle zh) +{ + ZebraTransactionStatus dummy; + yaz_log(LOG_API,"zebra_end_trans"); + return zebra_end_transaction(zh, &dummy); +} + +int zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) +{ + char val; + int seqno; + const char *rval; + + ASSERTZH; + yaz_log(LOG_API,"zebra_end_transaction"); + + status->processed = 0; + status->inserted = 0; + status->updated = 0; + status->deleted = 0; + status->utime = 0; + status->stime = 0; + + if (!zh->res || !zh->reg) + { + zh->errCode = 2; + zh->errString = "zebra_end_trans: no open transaction"; + return -1; + } + if (zh->trans_no != zh->trans_w_no) + { + zh->trans_no--; + if (zh->trans_no != 0) + return 0; + + /* release read lock */ + + zebra_unlock (zh->lock_normal); + zebra_unlock (zh->lock_shadow); + } + else + { /* release write lock */ + zh->trans_no--; + zh->trans_w_no = 0; + + yaz_log (LOG_LOG, "zebra_end_trans"); + rval = res_get (zh->res, "shadow"); + + zebraExplain_runNumberIncrement (zh->reg->zei, 1); + + zebra_flush_reg (zh); + + resultSetInvalidate (zh); + + zebra_register_close (zh->service, zh->reg); + zh->reg = 0; + + yaz_log (LOG_LOG, "Records: "ZINT_FORMAT" i/u/d " + ZINT_FORMAT"/"ZINT_FORMAT"/"ZINT_FORMAT, + zh->records_processed, zh->records_inserted, + zh->records_updated, zh->records_deleted); + + status->processed = zh->records_processed; + status->inserted = zh->records_inserted; + status->updated = zh->records_updated; + status->deleted = zh->records_deleted; + + zebra_get_state (zh, &val, &seqno); + if (val != 'd') + { + BFiles bfs = bfs_create (rval, zh->path_reg); + yaz_log (LOG_LOG, "deleting shadow stuff val=%c", val); + bf_commitClean (bfs, rval); + bfs_destroy (bfs); + } + if (!rval) + seqno++; + zebra_set_state (zh, 'o', seqno); + + zebra_unlock (zh->lock_shadow); + zebra_unlock (zh->lock_normal); + + } +#if HAVE_SYS_TIMES_H + times (&zh->tms2); + logf (LOG_LOG, "user/system: %ld/%ld", + (long) (zh->tms2.tms_utime - zh->tms1.tms_utime), + (long) (zh->tms2.tms_stime - zh->tms1.tms_stime)); + + 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; +} + +int zebra_repository_update (ZebraHandle zh, const char *path) +{ + ASSERTZH; + zh->errCode=0; + logf (LOG_LOG|LOG_API, "updating %s", path); + repositoryUpdate (zh, path); + return zh->errCode; +} + +int zebra_repository_delete (ZebraHandle zh, const char *path) +{ + ASSERTZH; + zh->errCode=0; + logf (LOG_LOG|LOG_API, "deleting %s", path); + repositoryDelete (zh, path); + return zh->errCode; +} + +int zebra_repository_show (ZebraHandle zh, const char *path) +{ + ASSERTZH; + yaz_log(LOG_API,"zebra_repository_show"); + zh->errCode=0; + repositoryShow (zh, path); + return zh->errCode; +} + +static int zebra_commit_ex (ZebraHandle zh, int clean_only) +{ + int seqno; + char val; + const char *rval; + BFiles bfs; + ASSERTZH; + zh->errCode=0; + + if (!zh->res) + { + zh->errCode = 109; + return -1; + } + rval = res_get (zh->res, "shadow"); + if (!rval) + { + logf (LOG_WARN, "Cannot perform commit"); + logf (LOG_WARN, "No shadow area defined"); + return 0; + } + + zebra_lock_w (zh->lock_normal); + zebra_lock_r (zh->lock_shadow); + + bfs = bfs_create (res_get (zh->res, "register"), zh->path_reg); + + zebra_get_state (zh, &val, &seqno); + + if (rval && *rval) + bf_cache (bfs, rval); + if (bf_commitExists (bfs)) + { + if (clean_only) + zebra_set_state (zh, 'd', seqno); + else + { + zebra_set_state (zh, 'c', seqno); + + logf (LOG_LOG, "commit start"); + bf_commitExec (bfs); +#ifndef WIN32 + sync (); +#endif + } + logf (LOG_LOG, "commit clean"); + bf_commitClean (bfs, rval); + seqno++; + zebra_set_state (zh, 'o', seqno); + } + else + { + logf (LOG_LOG, "nothing to commit"); + } + bfs_destroy (bfs); + + zebra_unlock (zh->lock_shadow); + zebra_unlock (zh->lock_normal); + return 0; +} + +int zebra_clean (ZebraHandle zh) +{ + yaz_log(LOG_API,"zebra_clean"); + return zebra_commit_ex(zh, 1); +} + +int zebra_commit (ZebraHandle zh) +{ + yaz_log(LOG_API,"zebra_commit"); + return zebra_commit_ex(zh, 0); +} + +int zebra_init (ZebraHandle zh) +{ + const char *rval; + BFiles bfs = 0; + ASSERTZH; + yaz_log(LOG_API,"zebra_init"); + zh->errCode=0; + + if (!zh->res) + { + zh->errCode = 109; + return -1; + } + rval = res_get (zh->res, "shadow"); + + bfs = bfs_create (res_get (zh->service->global_res, "register"), + zh->path_reg); + if (rval && *rval) + bf_cache (bfs, rval); + + bf_reset (bfs); + bfs_destroy (bfs); + zebra_set_state (zh, 'o', 0); + return 0; +} + +int zebra_compact (ZebraHandle zh) +{ + BFiles bfs; + ASSERTZH; + yaz_log(LOG_API,"zebra_compact"); + zh->errCode=0; + if (!zh->res) + { + zh->errCode = 109; + return -1; + } + bfs = bfs_create (res_get (zh->res, "register"), zh->path_reg); + inv_compact (bfs); + bfs_destroy (bfs); + return 0; +} + +int zebra_result (ZebraHandle zh, int *code, char **addinfo) +{ + ASSERTZH; + yaz_log(LOG_API,"zebra_result"); + *code = zh->errCode; + *addinfo = zh->errString; + return 0; +} + +int zebra_shadow_enable (ZebraHandle zh, int value) +{ + ASSERTZH; + yaz_log(LOG_API,"zebra_shadow_enable"); + zh->errCode=0; + zh->shadow_enable = value; + return 0; +} + +int zebra_record_encoding (ZebraHandle zh, const char *encoding) +{ + ASSERTZH; + yaz_log(LOG_API,"zebra_record_encoding"); + zh->errCode=0; + xfree (zh->record_encoding); + + /* + * Fixme! + * Something about charset aliases. Oleg??? + */ + + 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); + + zh->record_encoding = xstrdup (encoding); + + logf(LOG_DEBUG, "Reset record encoding: %s", encoding); + + zh->iconv_to_utf8 = + yaz_iconv_open ("UTF-8", encoding); + if (zh->iconv_to_utf8 == 0) + yaz_log (LOG_WARN, "iconv: %s to UTF-8 unsupported", encoding); + zh->iconv_from_utf8 = + yaz_iconv_open (encoding, "UTF-8"); + if (zh->iconv_to_utf8 == 0) + yaz_log (LOG_WARN, "iconv: UTF-8 to %s unsupported", encoding); + + return 0; +} + +int zebra_set_resource(ZebraHandle zh, const char *name, const char *value) +{ + ASSERTZH; + yaz_log(LOG_API,"zebra_set_resource %s:%s",name,value); + zh->errCode=0; + res_set(zh->res, name, value); + return 0; +} + +const char *zebra_get_resource(ZebraHandle zh, + const char *name, const char *defaultvalue) +{ + const char *v; + ASSERTZH; + v= res_get_def( zh->res, name, (char *)defaultvalue); + zh->errCode=0; + yaz_log(LOG_API,"zebra_get_resource %s:%s",name,v); + return v; +} + +/* moved from zebra_api_ext.c by pop */ +/* FIXME: Should this really be public??? -Heikki */ + +int zebra_trans_no (ZebraHandle zh) +{ + ASSERTZH; + yaz_log(LOG_API,"zebra_trans_no"); + return zh->trans_no; +} + +int zebra_get_shadow_enable (ZebraHandle zh) +{ + yaz_log(LOG_API,"zebra_get_shadow_enable"); + return (zh->shadow_enable); +} + +int zebra_set_shadow_enable (ZebraHandle zh, int value) +{ + yaz_log(LOG_API,"zebra_set_shadow_enable %d",value); + zh->shadow_enable = value; + return 0; +} + +/* almost the same as zebra_records_retrieve ... but how did it work? + I mean for multiple records ??? CHECK ??? */ +void api_records_retrieve (ZebraHandle zh, ODR stream, + const char *setname, Z_RecordComposition *comp, + oid_value input_format, int num_recs, + ZebraRetrievalRecord *recs) +{ + ZebraPosSet poset; + int i, *pos_array; + yaz_log(LOG_API,"api_records_retrieve s=%s n=%d",setname,num_recs); + + if (!zh->res) + { + zh->errCode = 30; + zh->errString = odr_strdup (stream, setname); + return; + } + + zh->errCode = 0; + + if (zebra_begin_read (zh)) + return; + + pos_array = (int *) xmalloc (num_recs * sizeof(*pos_array)); + for (i = 0; ierrCode = 30; + zh->errString = nmem_strdup (stream->mem, setname); + } + else + { + for (i = 0; ierrCode = 13; + zh->errString = odr_strdup (stream, num_str); + break; + } + + } + zebraPosSetDestroy (zh, poset, num_recs); + } + zebra_end_read (zh); + xfree (pos_array); +} + + +/* --------------------------------------------------------------------------- + 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) +{ + SYSNO sysno = 0; + return zebra_update_record(zh, 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) +{ + int res; + yaz_log(LOG_API,"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); + 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) +{ + int res; + + yaz_log(LOG_API,"zebra_update_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, + force_update, + 1); /* allow_update */ + zebra_end_trans(zh); + 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) +{ + int res; + yaz_log(LOG_API,"zebra_delete_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, + 1, /* delete_flag */ + 0, /* test_mode */ + recordType, + sysno, + match,fname, + force_update, + 1); /* allow_update */ + zebra_end_trans(zh); + return res; +} + +/* --------------------------------------------------------------------------- + Searching +*/ + +int zebra_search_PQF (ZebraHandle zh, const char *pqf_query, + const char *setname, int *numhits) +{ + int hits = 0; + int res=-1; + Z_RPNQuery *query; + ODR odr = odr_createmem(ODR_ENCODE); + + yaz_log(LOG_API,"zebra_search_PQF s=%s q=%s",setname, pqf_query); + + query = p_query_rpn (odr, PROTO_Z3950, pqf_query); + + if (!query) + yaz_log (LOG_WARN, "bad query %s\n", pqf_query); + else + res=zebra_search_RPN (zh, odr, query, setname, &hits); + + odr_destroy(odr); + + yaz_log(LOG_API,"Hits: %d",hits); + + if (numhits) + *numhits=hits; + + return res; +} + +/* --------------------------------------------------------------------------- + Sort - a simplified interface, with optional read locks. +*/ +int zebra_sort_by_specstr (ZebraHandle zh, + ODR stream, + const char *sort_spec, + const char *output_setname, + const char **input_setnames) +{ + int num_input_setnames = 0; + int sort_status = 0; + Z_SortKeySpecList *sort_sequence = yaz_sort_spec (stream, sort_spec); + yaz_log(LOG_API,"sort (FIXME) "); + if (!sort_sequence) + { + logf(LOG_WARN,"invalid sort specs '%s'", sort_spec); + zh->errCode = 207; + return -1; + } + + /* we can do this, since the perl typemap code for char** will + put a NULL at the end of list */ + while (input_setnames[num_input_setnames]) num_input_setnames++; + + if (zebra_begin_read (zh)) + return -1; + + resultSetSort (zh, stream->mem, num_input_setnames, input_setnames, + output_setname, sort_sequence, &sort_status); + + zebra_end_read(zh); + return sort_status; +} +