3 session_shared: close in ~BackendInstance MP-549
4 This fixes a serious issue where some MP would leak sockets.
6 session_shared: mutex lock in BackendClass::release_backend MP-550
7 Fixes a SEGV that could occur (in rare cases).
11 zoom: Do not include ZOOM C's fake surrogate diag recs MP-547
13 zoom: fix invalid present response in some cases MP-546
15 zoom: Relay Torus HTTP error message
19 Check for proper limits before using RecordCache functions MP-544
23 Build packages for Ubuntu Trusty Tahr 14.04 LTS
25 sort: crash / invalid_read in filter sort MP-541
27 sru_z3950: facet should be stored in additionalSearchInfo MP-533
29 doc: fix missing man pages MP-542
31 cql_rpn: fix threading problem with CQL to RPN conversion MP-497
33 cql_rpn: allow conversion from RPN to CQL (reverse) MP-537
37 sru_z3950: fix facet response (memory corruption) MP-532
39 log: fix crash idPass user is omitted MP-530
43 query_rewrite: pass-thru non Type-1 queries MP-527
45 metaproxy stop (SIGTERM) kills all child processes spanwed by
46 filter (if any) before invoking filter destructors. MP-525
50 http_file: only supports HTTP GET MP-523
52 session_shared: shut down expire thread in destructor
53 This ensures that expire thread is not running after destruction
54 and does bad memory references, etc.
56 frontend_net: fix segfault on startup MP-524
57 Would happen if MP was listening on multiple ports and one
58 of the ports was already in use (and MP would exit).
60 frontend_net: fix memory leak MP-521
61 This leak would occur if all sessions were in use and the input
62 queue was cleared when a client would close connection (socket).
64 frontend_net: fix compilation on Windows (SIGUSR1 does not exist)
68 http_rewrite: use local skiplist; fixes memory corruption. MP-520
70 http_client: x-forwarded-for controls X-Forwarded-For presence
71 If x-forwarded-for setting (boolean) is enabled, http_client will
72 generate an X-Forwarded-For header entry which includes existing
73 X-Forwarded-For (if any) and current peer address (immediate client
74 of Metaproxy). By default x-forwarded-for disabled and X-Forwarded-For
75 will not be generated.
77 z3950_client: client_ip controls client-IP presence
78 If client_ip setting (boolean) is enabled, z3950_client will
79 generate a client_ip OID as part of init request which includes
80 previous client_ip (if any) and current peer address (immediate
81 client of Metaproxy). By default client_ip is disabled and client_ip
82 will not be generated.
84 HTTP X-Forwarded-For/Z39.50 Client-IP support
85 virt_db, multi: relays Z39.50 client-IP.
86 sru_z3950: converts X-Forwarded-For header to Z39.50 client-IP.
87 zoom: uses Client-IP or origin address (prefer Client-IP).
88 frontend_net: Strips tcp: from peer address (so that it is no longer
89 printed and stripped in zoom filter).
90 z3950_client: builds client-IP list - combining immediate peer address
91 as returned by COMSTACK and existing client-IP list (if avaiable).
92 The Origin only printes first X-Forwarded address.
96 Log when SIG{TERM,USR1} is received ASAP MP-513
97 Do it in frontend_net event loop rather than in place for metaproxy
98 main, which only exits when all sessions are terminated for SIGUSR1
101 metaproxy-config: quote some RHS values (that might include blanks)
103 Fix leak in sru_z3950 filter - when explain is returned MP-511
105 Allow stylesheet to be given for sru_z3950 filter MP-510
106 This is based on a patch by Sven Porst and the functionality
107 of the YAZ Generic Frontend Server.
109 Allow base attribute in configuration file tags - the attributes are
110 inserted by XInclude usage as mentioned on
111 yazlist: http://lists.indexdata.dk/pipermail/yazlist/2012-Au
112 and noted in a gist: https://gist.github.com/3551094
114 Package metaproxy provides virtual package metaproxy6 MP-508
115 This allows module packages to depend on a metaproxy server
118 Filter destructors called upon daemon termination MP-505
119 When metaproxy daemon receives SIGTERM the stop method of each filter
120 is called. The stop method existed before, but did not take any
121 arguements (void).. The frontend_net filter can now distinguish
122 between SIGUSR1 (stop bind, but keep sessions running) and SIGTERM
123 (stop immediately). Note that this changes the API+ABI of Metaproxy
126 zoom: sync up with Pazpar2 WRT authentication handling MP-492
128 Router: use shared_ptr rather than naked one - to avoid leak if an
129 exception is thrown in configure.
133 zoom: Add nocproxy=1 for contentConnector sessions MP-501
135 Doc: mention proper versions; fix link to Boost win binaries.
137 Windows: update for Boost 1.55
139 Windows: avoid warning when using boost::split. Done by defining
140 _SCL_SECURE_NO_WARNINGS for Visual Studio.
142 Fix LSB conformance for /etc/init.d/metaproxy MP-500
143 Debian: add support for /etc/init.d/metaproxy status
145 sort: Add const to Record less than operator in order to compile on
150 session_shared: fix element-set handling in record caching. MP-499
152 document http_rewrite. MP-468
154 http_write: Honor X-Metaproxy-SkipLink MP-479 . Filter understands and
155 respects the header (which will normally come from the cproxy filter)
159 RPM: fix dependency for libmetaproxy5-devel MP-496. The libmetaproxy5-devel
160 RPM was unsable in version 1.4.0.
162 Remove log message about "backend classes". Appeared in version 1.4.0.
166 Build RPM/Deb packages with YAZ 5 and yazpp 1.5. Metaproxy still compiles
167 with older version from source, but packages now use YAZ 5 that supports
170 sru_z3950: Fix SEGV for decoding invalid SRU requests
171 Incorrect reference to union (was explain response rather than
174 session_shared: match additionalSearchInfo (includes facets). In
175 layman's terms means that means that facets are properly handled
176 by this filter. Eg a change in requested facets will issue new
177 search and facets from exisiting result set are cached.
179 --- 1.3.62 2013/09/11
181 http_rewrite: better handling of <script> content in HTML parser. MP-486
183 http_rewrite: fix threading issue with regex. MP-482
185 bounce: don't use strdup for fixed length content. Error occurred in echo
188 session_shared: expire backend class when no instances left. This
189 means memory clean up, but not really a leak fix.
191 virt_db: fix leak for naked ptr.
193 cql_rpn: use config relative path for cql2rpn file. MP-481
195 Updates for upcoming YAZ 5.
197 --- 1.3.61 2013/08/29
199 New configuration directories ports.d/routes.d for metaproxy
200 configuration. This allows 3rd party packages to install config
201 for ports and new routes. MP-477
203 --- 1.3.60 2013/08/21
205 Fix metaproxy-config --libs to return non-mt over mt libs.
206 The -mt versions do not exist as shared objects and cause
207 linker errors for applications linking with Metaproxy.
208 Problem present in versions 1.3.56 - 1.3.59. MP-475
210 HTML: clean up char checks. Add ptr to HTML parse spec
212 HTML parser stops eating tag when <-char is met MP-473
214 rewrite: do not even compare content types, if we don't have any
215 the regex_match caused a segfault if we had no content-type in the
218 rewrite: within header=... matches only the header value
219 Used to match the whole header line, but we need to use
220 ^$ anchoring for host-relative regexps, and they need to
221 anchor at the ends of the value. MP-470.
223 rewrite: Ruleset functional MP-469
225 --- 1.3.59 2013/07/12
227 session_shared: negotiate init sz parameters.
228 By default, session_shared will honor the paramters given by client.
229 An alternative, but not implemented, algorithm would be to only
230 re-use sessions with same sz parameters. This however, could reduce
231 re-use of sessions a lot. Hence this, simple algorithm instead. The
232 negotiation to a maximum sz values can be enabled by using
233 <init maximum-record-size="sz1" preferred-message-size="sz2"/>
234 in configuration. This will make session_shared send those values
235 to backends and use returned init values in negotaition to
236 client before session_shared.
238 session_shared: resolve result-set references.
239 The reference is substitued with the query for old set if database
240 match and query type is Type-1. If not the reference will issue a
243 sort filter: relays RecordComposition including elementSet in use for
246 http_client: better diagnostics
248 http_client: disables HTTP redirect handling by default.
249 It can be configured with max-redirects in configuration.
251 --- 1.3.58 2013/06/12
253 Fix loading of filters cql_rpn and sru_z3950 . Was broken by 1.3.57.
255 --- 1.3.57 2013/06/12
257 Make RouterChain and RouterXML part of public API (libmetaproxy).
259 http_client: honor X-Metaproxy-Proxy as an alternative to
260 the "proxy" configuration. Allows proxy to be set per HTTP request.
262 sru_z3950: For SRU requests recognize x-client prefixes as a way
263 to ingest "database parameters".. The suffix of x-client- serves
264 as database argument name. Multiple may be given. For example:
265 http://path/db/?operation=searchRetrieve&x-client-user=a&x-client-password=b
266 is turned into Z39.50 database
269 --- 1.3.56 2013/05/27
271 New filter present_chunk. This filter allows splitting of present requests into smaller chunks.
273 New filter sd_remove, which replaces surrogate diagnostics with
274 SUTRS records. This filter tries to deal with clients that breaks
275 when receiving surrogate diagnostics.
277 new filter http_client. Same role as z3950_client, but just for
278 HTTP. Allows Metaproxy to operate as a HTTP proxy.
280 New filter http_rewrite1, which serves as purpose on how to rewrite
281 HTTP content with Metaproxy.
283 Use libboost-system if available, because newer versions of libboost-threads
284 requires libboost-system.
286 Allow frontend_net to serve SSL/HTTPS, because we can specify a server
289 --- 1.3.55 2013/04/10
291 zoom: Torus setting: authenticationMode which may hold values "basic"
294 --- 1.3.54 2013/03/27
296 configure: check for Libxslt support in YAZ and rely on definitions
297 from yaz-config, rather than doing own xslt/xml2 checks.
299 Allow timestamp format for log lines to be given with option -m
300 for metaproxy. Similar to yaz-ztest/GFS option -m.
302 Document log category 'line' for log filter.
304 Solr configuration example in etc/config-solr.xml
306 multi: do not mess with request package. For scan and search,
307 database-names were modified and the request package was left with
308 dangling pointers that caused a log filter to fail (request package
309 inspected after multi was invoked).
311 Documentation: fix id of metaproxy-config ref .
313 Documentation: update for USEMARCON support.
315 --- 1.3.53 2013/01/31
317 record_transform: allow OPACXML to OPAC conversion
319 zoom: document content-proxy
321 zoom: document db parm content-{user,password}, torus_url. Also
322 <torus auth_url="..> which makes zoom operate in authenticated mode
325 --- 1.3.52 2012/11/30
327 zoom: fix http://-check. SRU search broken in 1.3.51.
329 --- 1.3.51 2012/11/15
331 zoom: only append http:// for SRU if not already given . Makes it
332 possible to use https-URLs.
334 Use yazpp 1.4 or later due to new ABI.
336 frontend_net: allow max package size to be specified. Controlled by
337 attribute 'max_recv_bytes' of element 'port'.
339 --- 1.3.50 2012/10/29
341 For most generated diagnostics by filters, typically temporary
342 system error, augment addinfo message with filter name.
344 Add support for CentOS 6 packages.
346 sru_z3950: interpret Z39.50 diagnostics part of Init Response.
348 Add man page for metaproxy-config.
350 --- 1.3.49 2012/10/18
352 zoom: new config element passthru. This defines an element set that is
353 passed verbatim to the backend in pz2 mode.
355 auth_simple: allow both idPass and open auth. Also fix SEGV that could
358 --- 1.3.48 2012/10/08
360 z3950_client: fix string handling for init diagnostics in the case where
363 query_rewrite: no charset conversion for error queries. Avoid performing
364 charset conversion for query conversion errors. The resulting Type-1
365 query is invalid in this case.
367 --- 1.3.47 2012/10/04
369 For graceful stop (SIGUSR1), metaproxy will kill children processes.
371 Log when metaproxy is invoked in test mode (-t).
373 Log PID for each log message.
375 multi: combine both NSDs and multiple NSDs into one (diagnostics).
377 z3950_client: fixup multiple NSD's too. Like surrogate diagnostics,
378 a (backend=target) is appended for each diagnostic so that can be
379 determined the origin of error.
381 multi: hideerrors also in use for present response.
383 Solr example in zoom man page.
385 Fix typo in query_rewrite config example.
387 Log at least first non surrogate diagnostic. Instead of
388 "Z_Records_multipleNSD"
390 multi: Fix check for opt Records in present response. A SEGV could occur
391 if a target did not return records and no diagnostics.
393 --- 1.3.46 2012/09/24
395 Yet another fix for graceful stop.
397 --- 1.3.45 2012/09/12
399 sru_z3950: relay surrogate diagnostics.
401 --- 1.3.44 2012/09/10
403 zoom: Honor extraArgs, strip # in zurl.
405 multi: fix SEGV for scan. Reported by Rustam T. Usmanov.
407 zoom: url_recipe allow %{var[reg]} substitutions.
408 It's like ${var[reg]} but does URI component encoding as well.
410 --- 1.3.43 2012/08/22
412 RPM/Deb: require yazpp 1.3.2, because it fixes a missing close of
413 non-keepalive HTTP sessions.
415 http_file: allow zero size files (bug fix)
417 Fix zoom schema: auth_url is optional
419 --- 1.3.42 2012/08/20
421 zoom: fix un-init memory (could result in SEGV at session close)
423 frontend_net: handle X-Forwarded-For. This is stored in package.origin()
424 and may be used in filters as usual.
426 zoom: authentication via Torus lookup
427 Enabled by new configuration setting: auth_url . If this is defined,
428 the zoom module will contact Torus for auth/IP lookup and that will
429 define realm to be used in session.
431 --- 1.3.41 2012/08/10
433 virt_db: Fix database name - first character we removed by mistake.
434 Bug introduced in 1.3.40.
436 --- 1.3.40 2012/08/06
438 virt_db: Don't use "unix path" as database for Unix sockets.
440 --- 1.3.39 2012/08/02
442 z3950_client: Don't tamper with / in zurl - fixes problems
443 using Unix sockets for backends.
445 session_shared: fix integer overflow problem with hit count.
447 session_shared: avoid long usage of cached queries.
449 zoom: New database argument , torus_url to set URL of Torus
450 record to be fetched.
452 --- 1.3.38 2012/07/04
454 Fixes for 'metaproxy reload' for RPM/Debian packages.
456 zoom: Allow rpn2cql conversion to be augmented with a properties file.
457 Element rpn2cql can be specified per-target for the zoom filter.
459 log: New category "line" which is a single-line log message with
460 most important parts of a HTTP/Z39.50 request/response.
462 --- 1.3.37 2012/06/01
464 frontend_net: add facility to report live statistics about response
465 times and current thread usage. The report is an XML document
466 and is triggered for a specific URL path. This is set by <stat-req>
467 in the configuration of frontend_net. By default this report is
468 disabled (same as empty value for <stat-req>).
470 Fix reload problem in init.d script for RPM/Debian.
471 The '/etc/init.d/metaproxy reload' in some cases would stop but not
472 start metaproxy - effectively stopping the service.
474 Don't display start log message when config testing (-t).
476 zoom: avoid CCL message limit of 1K in ZOOM filter.
478 --- 1.3.36 2012/05/10
480 metaproxy init script reacts to reload which does graceful stop +
481 start and is used by logrorate script.
483 --- 1.3.35 2012/05/09
485 Fixes for Windows compilation.
487 Metaproxy daemon reacts to SIGUSR1 in which case it will leave
488 existing sessions running but terminate the monitor process that is
489 used in keepalive mode.
491 Change start log message to 'metaproxy start'. Was 'Metaproxy start'
492 before. Consistent with 'metaproxy stop' message.
494 zoom: document zoom's proxy_timeout
496 z3950_client: fixup addinfo for init response
498 virt_db: return other diagnostic if init is rejected. Diagnostic 236:
499 "Access to specified database denied" is returned, but only if init
500 response from backend does not carry diagnostics already.
502 multi: relays user info for first rejected target. The other-information
503 field for init response for first rejected target is in common init
504 response. This ensures that some backend init diagnostics are returned to
507 --- 1.3.34 2012/04/25
509 frontend_log: extend logging (when message is given in config).
511 --- 1.3.33 2012/04/25
513 zoom: Fix check for proxy. Use diagnostic 1074 for proxy failures.
515 --- 1.3.32 2012/04/24
517 sru_z3950 filter passes through incoming Z39.50 requests again. Was
518 not handled by mistake in Metaproxy versions 1.3.29, 1.3.30 and 1.3.31.
520 --- 1.3.31 2012/04/24
522 zoom: fixes for retry/proxy failover logic. More logging.
524 --- 1.3.30 2012/04/23
526 zoom: return addinfo="proxy failure" for proxy failures. This also
527 changes the scheme for dealing with proxies a bit. zoom now always
528 do proxy check, even if there's no failover. Fortunately, that's not
531 zoom: Init rejected wo diagnostics maps to Bib-1:1014.
532 Bib-1 1014, "Init/AC: Authentication System error", seems pretty
533 generic. We don't know why the init would fail; IP, user, block IP, etc.
534 sru_z3950 filter maps this to SRU diagnostic 3: "Authentication error".
536 zoom: guess if invalid SRU response was an auth failure
538 session_shared: disable session retry by default . Can be enabled by
539 restart="true" in resultset section.
541 --- 1.3.29 2012/04/18
543 zoom: may read cf-proxy's config settings.
544 This reduces manual configuration of the content proxy server host.
545 The ZOOM module will use the old style session.proxyhost if "server"
546 is given (deprecated) and use the new style proxyhost/session if
547 "config_file" is in use.
549 frontend_net: remove incoming requests that can not be handled
550 Requests in queue for filter frontend_net are removed if client
551 closes connection for the session and request is not yet handled.
553 sru_z3950: serialize requests. This is to ensure that pipelined
554 HTTP requests are handled properly.
556 --- 1.3.28 2012/04/04
558 New class, wrbuf, that wraps YAZ' WRBUF.
560 --- 1.3.27 2012/03/30
562 Metaproxy daemon is now running as user "metaproxy". This user is
563 managed by package maintainer scripts. The user information is stored
564 in /etc/metaproxy/metaproxy.user .
566 --- 1.3.26 2012/03/20
568 New filter, sort, that allows sorting of XML records via Z39.50
571 Filter record_transform: USEMarcon support. For example:
572 <retrieval syntax="usmarc">
573 <backend syntax="unimarc" name="F">
574 <usemarcon stage1="/etc/usemarcon/uni2us/uni2us.ini"/>
578 Filter multi: empty route pattern uses route as default.
580 <target route="z3950.indexdata.com">z3950.indexdata.com</route>
581 may use the shorter notation
582 <target route="z3950.indexdata.com"/>
584 Filter query_rewrite: use config path to locate XSLT.
586 Filter frontend_net: log statistics.
587 If a custom message element in frontend_net configuration it makes
588 the frontend_net filter produce a log entry whenever an operation
589 is completed. The log is always written using yaz_log with the
590 custom message given, the package ID (session ID) , the time
591 the operation has been active (end-to-end) , the threads currently
592 active/total and the size of the request input/output queues.
594 query_rewrite: charset conversion of query terms.
595 This is an optional feature. Enabled by element <charset> in
596 configuration with attribute 'from' and 'to' that specifies
597 from/to encodings. The default 'from' encoding is UTF-8.
599 Filter record_transform: honor piggyback searches.
601 Filter zoom: re-connect when database is reused.
602 Re-connect is necessary if a connection is lost or a timeout occurs.
603 If not, we'll be seeing zero hits, when we shouldn't.
605 --- 1.3.25 2012/02/29
607 zoom: Change scheme for dealing with content proxy URLs. The module
608 now has its own common XSL transform that is enabled by record_xsl
609 attribute in the configuration. This XSL gets parameter cproxyhost
610 that holds the host for the content proxy session . The genearted-url
611 is created only if urlRecipe is enabled. In previous version default
612 value of urlRecipe was ${md-electronic-url}; it is now empty and
613 disabled by default. Also generated-url no longer includes the content
614 proxy host. Content proxying URLs is supposed to the handle in the record_xsl
617 zoom: new setting timeout that specifies timeout for outgoing Z39.50/SRU
618 connections. Default value is 40 (seconds).
620 zoom: tune CCL to Z39.50 diagnostics mapping. Throw Bib-1: 108
621 "Malformed query" for syntax errors and related ones; throw
622 Bib-1: 3 "Unsupported search" for everything else. Details from
623 the CCL parser is provided as additional-info.
625 multi: new setting hideerrors that makes multi only relay diagnostics
626 to a client if all backends fail.
628 --- 1.3.24 2012/02/23
630 zoom: empty ccl_map field-mappings disables CCL map.
632 zoom: fix Explain search that could return error if session was
635 --- 1.3.23 2012/02/10
637 zoom: returns Explain records for database IR-Explain---1. The
638 target profile records are converted to Explain records via XSLT.
640 session_shared: make error recovery configurable. Whether a search
641 is restarted on errors or not, is configurable by attribute "restart"
642 in element "resultset" in configuration.
644 session_shared: only relay init for first request. session_shared, for
645 each backend class, now only relays first init request (rather than all).
646 The module only needs to save init response info once. This avoids the
647 need to check for session max.
649 --- 1.3.22 2012/02/02
651 zoom: fix memory leaks.
653 session_shared: maximum number of sessons is configurable. Default
654 value is 100. Result-sets for backends without named result sets are
655 only re-used if databases is identical for a search. This is under the
656 assumption that performance may suffer for those backends when
657 changing the database for each search.
659 multi: combines diagnostics from all backends. All diagnostics from
660 backends are combined into multiple non-surrogate diagnostics; rather
661 than just one diagnostic from first backend.
663 --- 1.3.21 2011/12/27
665 zoom: relay realm to cproxy parameter file.
667 Configuration: Allow filter collection element inside route. This
668 makes it possible to include multiple filters at once.
670 zoom: nocproxy also disables urlRecipe.
672 --- 1.3.20 2011/12/21
674 zoom: return diagnostic if CQL sortby conv fails. Diagnostic Bib-1 214
675 "Illegal sort relation" is returned. Gets translated to SRU diagnostic
676 90: "Unsupported direction value".
678 zoom: honor database argument nocproxy. This disables creating a content
679 connector session (for non-CF targets, usually) and also relays nocproxy
680 as database argument to a CF target.
682 --- 1.3.19 2011/12/16
684 zoom: Multiple proxy hosts may be given for proxy rich database
685 parameter. List is comma separated.
687 http_file: decodes URI paths properly. Does not return 404: not found
688 if no prefix are matches. Instead packages are passed on.
690 --- 1.3.18 2011/12/08
692 zoom: content-{user,password,proxy} are passed on to content proxy
693 system and takes precedence over user,password,proxy .
695 sru_z3950: SRU extra argument x-log-enable=1 enables a search response
696 with a log element including log material from children filters. At
697 this point, only the zoom filter uses this log facility. It will
698 eventually be used by other filters as well. In particular it might be
699 useful for this feature to track all filters in used during a search.
701 zoom: for x-log-enable=1, APDUs sent by ZOOM C, records as received
702 and queries as they are manipulated are logged.
704 zoom: extend addinfo with native diagnostics. Diagnostics as received
705 by ZOOM C are put into addinfo - including ZOOM, HTTP, SRU and Bib-1
706 diagnostics. This indicates both a backend diagnostic and the original
709 zoom: default urlRecipe value is ${md-electronic-url}
711 zoom: target profile setting sruVersion is recognized.
713 --- 1.3.17 2011/11/17
715 zoom: log target profile record fetched (AKA Torus).
717 --- 1.3.16 2011/11/17
719 Change target profile parameter CfSubDb to CfSubDB.
721 --- 1.3.15 2011/11/12
723 zoom: bug fix: realm was relayed to CF targets by mistake (realm only
724 makes sense to the zoom module itself).
726 --- 1.3.14 2011/11/11
728 zoom: realm may be given as part of database.
730 --- 1.3.13 2011/10/26
732 Fix Origin class assigment method; was removd by mistake in 1.3.12.
734 --- 1.3.12 2011/10/26
736 zoom: database args x-name=value are passed through to backend database.
738 SRU filter: user may specify session ID that is passed to log entries
739 that follows. It is specified by using x-session-id in the SRU arguments.
741 zoom: fix null pointer reference which would occur for bad url parameter
742 inside "torus" or if url was not given.
744 --- 1.3.11 2011/09/09
745 Fix bug in filter session_shared where sessions would not expire
746 properly (session ttl). This in turn could make the target close the
747 connection before expected and session_shared would return diagnostic
748 2: system temporarily available.
750 --- 1.3.10 2011/09/09
752 zoom: new target profile setting: sortmap_field. If sortmap_field is given
753 the field is mapped to the value for the sortmap. Values not matching
754 sortmap_field are passed verbatim.
756 zoom: new target profile setting: sortStrategy. One of: "z3950", "type7",
757 "cql", "sru11" or "embed". The "embed" chooses type-7 or CQL sortby
758 depending on whether RPN or CQL is actually sent to the target.
762 zoom: urlRecipe result is stored in <pz:metadata type="generated-url">.
764 zoom: For content proxy authentication is stored in param name
765 "auth", instead of "authentication".
769 zoom: relay schema in SRU mode. Previously recordSchema was not affected
774 zoom: new target profile element literalTransform that holds XSLT
775 (encoded as string) for target. Only if present and non-zero length it is
776 considered present. This takes precedence over transform.
778 Don't rely on trang anymore for Git checkout builds. Configuration in etc
779 will only be properly validated if trang is available. From now on only
780 relax NC files are bundled with the source dist.
782 Updates to check for Boost unit test (autoconf stuff). On MacOSX this
783 component was not detected when it should be.
787 z3950_client: mark non-surrogate diagnostics from backend.
789 zoom: a proxy may be specified for HTTP fetch of target profiles.
793 Honor piggyback. Makes some SRU targets behave that insist on
794 maximumRecords > 0, but also increases performance.
798 Fix dlpath in installed metaproxy.xml for RPM/Deb package. The
799 file was not update for libdir/metaproxy4 in version 1.3.2.
803 Change location of Metaproxy modules from libdir/metaproxy to
804 libdir/metaproxy4. Directory libdir/metaproxy is also owned by
805 libmetaproxy3 and, thus, should not be used by libmetaproxy4.
807 New facility to dump APDUs from zoom filter. Enabled by
808 <log apdu="true"/> in the zoom filter configuation.
810 zoom filter bug fix: SRU diagnostics received from backend was
811 not properly converted to Bib-1 diagnostics.
813 Package metaproxy depends on libmetaproxy4, same version.
817 zoom: fix a bug WRT passing authentication parameters to backends.
821 Fixes for windows Makefile.
823 --- 1.2.10 2011/07/25
825 Change major version of metaproxy library from 3 to 4. This in turn
826 makes new package names for Debian and RPM.
830 zoom: enable marc-8 encoding by default for usmarc and opac (in pz2
833 zoom: configurable element sets for record transforms.
835 zoom: the target profile based transform is specified by element_transform
836 in element torus of of the ZOOM filter configuration ; default value
837 is "pz2". Target profile based retrieval is specified by element_raw
838 in configuration. It will perform same steps, but omit the XSL transform.
839 Default value is "raw".
841 zoom: element set is omitted if not set in profile. But only if pz2
842 transform is in effect. Previously the default element set was to "F".
844 zoom: For non-CF targets database arguments are parsed. User may supply
845 db,user=myuser&password=mypass for non-CF targets. These values override
846 what's given the authentication from the target profile.
848 session_shared: fix reference to freed memory. Would occur if a search
849 response had non-surrogate diagnostics.
853 Route may be given for each port in frontend_net.
857 Documentation for zoom filter. Local target profiles may be specified.
859 Fixes for zoom filter.
863 First version with zoom filter.
867 Filter z3950_client may be configured to always send a close APDU
868 to backend target when connection/session is closed. This will only
869 happen if close APDU is not already sent. Enabled by configuration
870 for z3950_client (force_close).
872 Filter virt_db and multi: relay close APDU.
874 Filter virt_db and multi: relay init size parameters
875 preferredMessageSize and maximumRecordSize.
877 Filter sru_z3950: increase init sz parameters from 1MB to 10 MB.
881 RPM package for Metaproxy works for both SLES11 and Centos 5.5.
883 metaproxy-config: exec_prefix, libdir, includedir. Use these variables
884 as determined by configure.
886 RPM: Release includes 'indexdata' name. Use indexdata in release name so
887 this package can be distinguished from other vendors.
891 Fix filter multi: relay idAuthentication parameters.
895 Add metaproxy-config for returning compiler flags, libraries.
899 Fix --with-boost=PREFIX .
903 session_shared: fix use of maintenance thread.
905 Introduce 'start' method for filters and routers. It gets called after
906 configure and after fork, but before processing. This changes API -
907 from libmetaproxy2 to libmetaproxy3.
911 session_shared: ensure backend session is closed if init rejected
914 z3950_client: fix NULL ptr reference that could occur if two clients
915 connected concurrently and if max-sockets was in effect.
919 Fix bug 3497 - Metaproxy unstable while stopping.
921 Fix bug 3495 - SEGV in SRU filter.
925 Filter multi throws diagnostic 'Present Out of Range' when
926 appropriate - rather than returning 0 records.
928 Filter virt_db: fix bad result reuse. Could happen if a result
929 was overriden and a backend did not supported named result sets.
933 Filter log: category access logs diagnostics even if searchStatus
934 or presentStatus is 'success'.
938 The SRU to Z39.50 filter does repeated Z39.50 present requests
939 to fetch all records. Needed when a Z39.50 server returns partial
940 results (due to message size limits).
944 Metaproxy now kills all child processes that are spawned by
945 modules (in case of fork, exec).
949 Debian package now installs /etc/metaproxy/metaproxy.xml which
950 includes all XML files /etc/metaproxy/filters-enabled .
951 The include facility uses YAZ' yaz_xml_include_simple (YAZ 4.0.1).
955 Package based on YAZ version 4 and YAZ++ 1.2.0. It now includes a
956 development package to facilitate 3rd party Metaproxy modules.
958 --- 1.0.23 2010/01/04
960 Filter virt_db: Close backend filter session when Init rejected is received
961 from it (in which case it's not really closed yet). This will ensure we don't
962 run out of resources such as FDs in this case.
964 sru_z3950 filter: Accept any database (including those not listed).
966 --- 1.0.22 2009/12/03
968 Prepare for 64-bit YAZ. yazproxy will still work with YAZ++ 1.1.4 or
969 later which means YAZ 3.0.47 or later.
971 --- 1.0.20 2009/11/19
973 For filter virt_db, the database is a glob pattern and the virtual
974 database sections are consulted in the order given.
976 --- 1.0.19 2009/07/08
978 For filter multi, the target (for routing) may be given as a glob-pattern.
980 More documentation for filters virt_db and multi.
982 Update schema to allow for no database in sru_z3950 filter.
984 --- 1.0.18 2009/06/30
986 Added limit filter to put sleep (penalty) for heavy use.
988 Filter frontend_net may be configured to limit the number of new connections
989 from same IP to some value (connect-max).
991 Fixed the load_balance filter.
993 --- 1.0.17 2009/06/16
995 Fix path for metaproxy executable for Debian init.d script.
997 --- 1.0.16 2009/06/10
999 SRU to Z39.50 filter honors x-username and x-password. If only
1000 x-username is given that translates to open authentication (Z39.50v2). If
1001 both x-username and x-password is present that translates to idPass
1002 authentication (Z39.50v3).
1004 New facility to change current working directory (-w).
1006 Update to upstream skeleton of init.d script. Should fix bug #2619.
1008 Filter session_shared now caches records (used to only cache connections
1011 Filter session_shared now invalidates a Z39.50 session if a server
1012 returns -1 hits. This facility was also part of yazproxy and gets around
1013 a bug in Voyager-based Z39.50 servers.
1015 --- 1.0.15 2008/11/18
1017 Fixed reference counting bug in Z39.50 client module (could cause SEGV).
1019 --- 1.0.14 2008/06/09
1021 Fixed the value of SRU record schema in searchRetrieve response. It was set
1022 to a fixed value of "dc" before.
1024 Serialize identical SRU requests. This is useful if HTTP client software
1025 fires identical requests against metaproxy.
1027 Allow Z39.50 target to be specified for SRU requests by using SRU extra
1028 parameter x-target. Allows SRU to contact arbitrary Z39.50 targets and
1029 avoid static configuration. This facility is handled by the sru_z3950 module
1030 and the z3950_client module.
1032 Allow maximum number of sockets to be used for a Z39.50 client by the
1033 use of SRU extra parameter x-max-sockets. This facility is handled by the
1034 sru_z3950 module and the z3950_client module.
1036 --- 1.0.13.1 2008/02/29
1038 Simplified check for Boost libraries.
1040 --- 1.0.13 2008/02/29
1042 First Debian package.
1044 The sru_z9350 filter now recognizes SRU parameter z-target as being
1045 a ZURL of the form host/database .
1047 Mergetype may be specified for filter 'multi'.
1049 --- 1.0.12 2007/09/19
1051 Fixed problem in Makefile WRT library specifictions. This could produce
1052 linker errors (when they should not happen).
1054 Fixed bug #1341: MetaProxy returning different results. Problem was that
1055 fix-up of record database did not normalize the database name.
1057 Documentation updates for Windows compilation.
1059 --- 1.0.11 2007/06/14
1061 Fixed problem with logfile being truncated.
1063 --- 1.0.10 2007/05/23
1065 Fixed bug #1136: Access rights not enforced.
1067 Extension for log module. The log category 'access' logs more details.
1068 New category 'user-access' added which is simlar to 'access' but adds
1069 the Z39.50 user as for all entries in a session.
1073 Added support for configurable default/force target/vhost for module Z39.50
1076 --- 1.0.8 2007/01/25
1078 Implemented filter, session_shared, which optimizes usage of Z39.50
1079 sessions and result sets.
1081 New filter, record_transform, which converts MARC/XML records.
1083 New filter, sru_z3950, which converts SRU to Z39.50 packages.
1085 New filter, load_balance, in development.
1087 New filter, zeerex_xplain.
1089 XML framework for config files started.
1091 Master RelaxNG Compact schema's are found in xml/schema/*.rnc,
1092 RelaxNG XML schemas and XML Schema's are generated from RNC syntax.
1093 XML config files are checked against RNG and XML Schema's.
1095 XSLT transformation framework added in xml/xslt/*.xsl, consisting mainly of
1096 LOC Marc21 stylesheets found at http://www.loc.gov/marcxml/xslt.
1097 Added stylesheet explain2cqlpqftxt.xsl which transforms a standard SRU ZeeReX
1098 explain record to YAZ CQL-to-PQF text config file.
1100 --- 1.0.7 2006/11/07
1102 Added 'timeout' setting for filter frontend_net which specifies the number
1103 of seconds a session is idle before it is closed. Default timeout is
1106 --- 1.0.6 2006/07/07
1108 Database name in records returned set for virt_db/multi filters.
1110 Filter session_shared now functional.
1112 Log filter can be configured to write to a given file using 'filename'
1113 element. Also information category can be specified with 'category'. If
1114 filename is omitted, the log filter writes to stdout. See etc/config5.xml
1117 --- 1.0.5 2006/05/16
1119 Fixed compilation on Windows.
1121 --- 1.0.4 2006/05/16
1123 Added documentation for the hidenavailable option for the multi filter.
1125 --- 1.0.3 2006/05/16
1127 Fixed bug #573: Hide errors for individual servers. If the element
1128 'hideunavailable' is given in the configuration, individual servers
1129 being unavailable are hidden (unless all are unavailable).
1131 Fixed bug #574: Database names are recognised case-sensitively.
1133 Fixed bug #567: Fix up database name in Name-Plus-Record.
1135 Fixed bug #568: Update win/makefile for VS 2005.
1137 Fixed bug #569: Some options throws unknown exception.
1139 --- 1.0.2 2006/04/28
1141 More information about virtual hosts. The 'etc' directory is part of the
1144 --- 1.0.1 2006/04/27
1146 Build instructions for Windows. NMake makefile part of distribution tar.
1148 --- 1.0.0 2006/04/24
1152 Filters functional: auth_simple, backend_test, frontend_net, http_file,
1153 log, multi, query_rewrite, template, virt_db, z3950_client.
1155 Filters in development: session_shared.
1157 Pseudo-filters: template, dl