* Copyright (C) 1995-2000, Index Data
* All rights reserved.
*
- * $Log: zserver.c,v $
- * Revision 1.82 2001-07-09 23:40:09 adam
- * WIN32 fix.
- *
- * Revision 1.81 2001/02/14 21:42:07 adam
- * Fixed versions as returned in INIT response.
- *
- * Revision 1.80 2000/09/05 14:04:05 adam
- * Updates for prefix 'yaz_' for YAZ log functions.
- *
- * Revision 1.79 2000/05/09 10:56:50 adam
- * Added call to xmalloc/nmem debugging functions.
- *
- * Revision 1.78 2000/04/05 09:49:35 adam
- * On Unix, zebra/z'mbol uses automake.
- *
- * Revision 1.77 2000/03/20 19:08:36 adam
- * Added remote record import using Z39.50 extended services and Segment
- * Requests.
- *
- * Revision 1.76 2000/03/15 15:00:31 adam
- * First work on threaded version.
- *
- * Revision 1.75 1999/11/30 13:48:04 adam
- * Improved installation. Updated for inclusion of YAZ header files.
- *
- * Revision 1.74 1999/11/29 15:13:26 adam
- * Server sets implementationName - and Version.
- *
- * Revision 1.73 1999/11/04 15:00:45 adam
- * Implemented delete result set(s).
- *
- * Revision 1.71 1999/07/14 10:59:26 adam
- * Changed functions isc_getmethod, isams_getmethod.
- * Improved fatal error handling (such as missing EXPLAIN schema).
- *
- * Revision 1.70 1999/06/10 12:14:56 adam
- * Fixed to use bend_start instead of pre_init.
- *
- * Revision 1.69 1999/06/10 09:20:03 adam
- * Minor change to pre_init handler.
- *
- * Revision 1.68 1999/05/26 07:49:13 adam
- * C++ compilation.
- *
- * Revision 1.67 1999/02/02 14:51:14 adam
- * Updated WIN32 code specific sections. Changed header.
- *
- * Revision 1.66 1998/10/28 10:54:41 adam
- * SDRKit integration.
- *
- * Revision 1.65 1998/10/18 07:54:54 adam
- * Additional info added for diagnostics 114 (Unsupported use attribute) and
- * 121 (Unsupported attribute set).
- *
- * Revision 1.64 1998/09/22 10:48:21 adam
- * Minor changes in search API.
- *
- * Revision 1.63 1998/09/02 13:53:21 adam
- * Extra parameter decode added to search routines to implement
- * persistent queries.
- *
- * Revision 1.62 1998/08/06 14:35:28 adam
- * Routine bend_deleterequest removed.
- *
- * Revision 1.61 1998/06/24 12:16:15 adam
- * Support for relations on text operands. Open range support in
- * DFA module (i.e. [-j], [g-]).
- *
- * Revision 1.60 1998/06/22 11:36:49 adam
- * Added authentication check facility to zebra.
- *
- * Revision 1.59 1998/06/12 12:22:13 adam
- * Work on Zebra API.
- *
- * Revision 1.58 1998/05/27 16:57:46 adam
- * Zebra returns surrogate diagnostic for single records when
- * appropriate.
- *
- * Revision 1.57 1998/04/03 14:45:18 adam
- * Fixed setting of last_in_set in bend_fetch.
- *
- * Revision 1.56 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.
- *
- * Revision 1.55 1998/02/10 12:03:06 adam
- * Implemented Sort.
- *
- * Revision 1.54 1998/01/29 13:39:13 adam
- * Compress ISAM is default.
- *
- * Revision 1.53 1998/01/12 15:04:09 adam
- * The test option (-s) only uses read-lock (and not write lock).
- *
- * Revision 1.52 1997/11/18 10:05:08 adam
- * Changed character map facility so that admin can specify character
- * mapping files for each register type, w, p, etc.
- *
- * Revision 1.51 1997/10/27 14:33:06 adam
- * Moved towards generic character mapping depending on "structure"
- * field in abstract syntax file. Fixed a few memory leaks. Fixed
- * bug with negative integers when doing searches with relational
- * operators.
- *
- * Revision 1.50 1997/09/29 09:08:36 adam
- * Revised locking system to be thread safe for the server.
- *
- * Revision 1.49 1997/09/25 14:57:23 adam
- * Windows NT port.
- *
- * Revision 1.48 1997/09/17 12:19:19 adam
- * Zebra version corresponds to YAZ version 1.4.
- * Changed Zebra server so that it doesn't depend on global common_resource.
- *
- * Revision 1.47 1997/09/04 13:58:36 adam
- * New retrieve/extract method tellf (added).
- * Added O_BINARY for open calls.
- *
- * Revision 1.46 1997/07/28 08:30:47 adam
- * Server returns diagnostic 14 when record doesn't exist.
- *
- * Revision 1.45 1996/12/23 15:30:45 adam
- * Work on truncation.
- * Bug fix: result sets weren't deleted after server shut down.
- *
- * Revision 1.44 1996/12/11 12:08:01 adam
- * Added better compression.
- *
- * Revision 1.43 1996/11/15 15:03:58 adam
- * Logging of execution speed by using the times(2) call.
- *
- * Revision 1.42 1996/11/08 11:10:36 adam
- * Buffers used during file match got bigger.
- * Compressed ISAM support everywhere.
- * Bug fixes regarding masking characters in queries.
- * Redesigned Regexp-2 queries.
- *
- * Revision 1.41 1996/10/29 14:09:56 adam
- * Use of cisam system - enabled if setting isamc is 1.
- *
- * Revision 1.40 1996/06/04 10:19:02 adam
- * Minor changes - removed include of ctype.h.
- *
- * Revision 1.39 1996/05/31 09:07:05 quinn
- * Work on character-set handling
- *
- * Revision 1.38 1996/05/14 11:34:01 adam
- * Scan support in multiple registers/databases.
- *
- * Revision 1.37 1996/05/14 06:16:48 adam
- * Compact use/set bytes used in search service.
- *
- * Revision 1.36 1996/05/01 13:46:37 adam
- * First work on multiple records in one file.
- * New option, -offset, to the "unread" command in the filter module.
- *
- * Revision 1.35 1996/03/26 16:01:14 adam
- * New setting lockPath: directory of various lock files.
- *
- * Revision 1.34 1996/03/20 09:36:46 adam
- * Function dict_lookup_grep got extra parameter, init_pos, which marks
- * from which position in pattern approximate pattern matching should occur.
- * Approximate pattern matching is used in relevance=re-2.
- *
- * Revision 1.33 1996/01/17 14:57:56 adam
- * Prototype changed for reader functions in extract/retrieve. File
- * is identified by 'void *' instead of 'int.
- *
- * Revision 1.32 1995/12/11 09:12:58 adam
- * The rec_get function returns NULL if record doesn't exist - will
- * happen in the server if the result set records have been deleted since
- * the creation of the set (i.e. the search).
- * The server saves a result temporarily if it is 'volatile', i.e. the
- * set is register dependent.
- *
- * Revision 1.31 1995/12/08 16:22:56 adam
- * Work on update while servers are running. Three lock files introduced.
- * The servers reload their registers when necessary, but they don't
- * reestablish result sets yet.
- *
- * Revision 1.30 1995/12/07 17:38:48 adam
- * Work locking mechanisms for concurrent updates/commit.
- *
- * Revision 1.29 1995/12/04 14:22:32 adam
- * Extra arg to recType_byName.
- * Started work on new regular expression parsed input to
- * structured records.
- *
- * Revision 1.28 1995/11/28 09:09:48 adam
- * Zebra config renamed.
- * Use setting 'recordId' to identify record now.
- * Bug fix in recindex.c: rec_release_blocks was invokeded even
- * though the blocks were already released.
- * File traversal properly deletes records when needed.
- *
- * Revision 1.27 1995/11/27 13:58:54 adam
- * New option -t. storeStore data implemented in server.
- *
- * Revision 1.26 1995/11/25 10:24:07 adam
- * More record fields - they are enumerated now.
- * New options: flagStoreData flagStoreKey.
- *
- * Revision 1.25 1995/11/21 15:29:13 adam
- * Config file 'base' read by default by both indexer and server.
- *
- * Revision 1.24 1995/11/20 16:59:47 adam
- * New update method: the 'old' keys are saved for each records.
- *
- * Revision 1.23 1995/11/16 17:00:56 adam
- * Better logging of rpn query.
- *
- * Revision 1.22 1995/11/16 15:34:55 adam
- * Uses new record management system in both indexer and server.
- *
- * Revision 1.21 1995/11/01 16:25:52 quinn
- * *** empty log message ***
- *
- * Revision 1.20 1995/10/27 14:00:12 adam
- * Implemented detection of database availability.
- *
- * Revision 1.19 1995/10/17 18:02:11 adam
- * New feature: databases. Implemented as prefix to words in dictionary.
- *
- * Revision 1.18 1995/10/16 14:03:09 quinn
- * Changes to support element set names and espec1
- *
- * Revision 1.17 1995/10/16 09:32:40 adam
- * More work on relational op.
- *
- * Revision 1.16 1995/10/13 12:26:44 adam
- * Optimization of truncation.
- *
- * Revision 1.15 1995/10/12 12:40:55 adam
- * Bug fixes in rpn_prox.
- *
- * Revision 1.14 1995/10/09 16:18:37 adam
- * Function dict_lookup_grep got extra client data parameter.
- *
- * Revision 1.13 1995/10/06 14:38:00 adam
- * New result set method: r_score.
- * Local no (sysno) and score is transferred to retrieveCtrl.
- *
- * Revision 1.12 1995/10/06 13:52:06 adam
- * Bug fixes. Handler may abort further scanning.
- *
- * Revision 1.11 1995/10/06 10:43:57 adam
- * Scan added. 'occurrences' in scan entries not set yet.
- *
- * Revision 1.10 1995/10/02 16:43:32 quinn
- * Set default resulting record type in fetch.
- *
- * Revision 1.9 1995/10/02 15:18:52 adam
- * New member in recRetrieveCtrl: diagnostic.
- *
- * Revision 1.8 1995/09/28 09:19:47 adam
- * xfree/xmalloc used everywhere.
- * Extract/retrieve method seems to work for text records.
- *
- * Revision 1.7 1995/09/27 16:17:32 adam
- * More work on retrieve.
- *
- * Revision 1.6 1995/09/08 08:53:22 adam
- * Record buffer maintained in server_info.
- *
- * Revision 1.5 1995/09/06 16:11:18 adam
- * Option: only one word key per file.
- *
- * Revision 1.4 1995/09/06 10:33:04 adam
- * More work on present. Some log messages removed.
- *
- * Revision 1.3 1995/09/05 15:28:40 adam
- * More work on search engine.
- *
- * Revision 1.2 1995/09/04 12:33:43 adam
- * Various cleanup. YAZ util used instead.
- *
- * Revision 1.1 1995/09/04 09:10:41 adam
- * More work on index add/del/update.
- * Merge sort implemented.
- * Initial work on z39 server.
- *
+ * $Id: zserver.c,v 1.83 2002-02-20 17:30:01 adam Exp $
*/
#include <stdio.h>
projects / idzebra-moved-to-github.git / blobdiff