ru.unix.bsd

 
 - RU.UNIX.BSD ------------------------------------------------------------------
 From : Aleksey Cheusov                      2:5020/400     02 Feb 2008  17:48:42
 To : All
 Subject : pkg_online - client/server поиск по пакетам pkgsrc и не только
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 Попробую написать сюда. Может тут кто какой умный совет даст ;-)
 Все нужные пакеты есть в pkgsrc. Точно проверено, что они работают
 под NetBSD и Linux. Hе вижу причин, почему бы им не работать
 под FreeBSD или под чем ты то ни было еще.
 
 Подробности и инструкция ниже.
 
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 Hi everybody. I'm develping pkg_online - tool for client/server search
 in pkgsrc packages. Documentation is not excellent yet, but I hope the
 following is clear enough for the beginning.
 
 I've packaged it in wip/pkg_online already.  Just install it and try
 client (the instruction is below).  I'm running server at
 dictd.xdsl.by:26280 to make testing easier. To run client you don't
 need to run your own server, i.e. you should not set PKG_ONLINE_SERVER
 and PKG_ONLINE_CLIENT variables. The default values are good.
 
 Server part tool are also packaged. Of course you can play with it
 too.
 
 The project now has "need feedback" status ;-)
 
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 DESCR:
 
 pkg_online - client/server search in pkgsrc packages.
 
 Every separate field (PKGPATH, PKGNAME, COMMENT etc.) may be queried
 separately and multiple fields may be queried too. Lots of search
 strategies are available. A set of fields and search strategies may
 very depending on your server configuration. For example, you can
 search in binary (pkg_summary.gz generated by pkg_info -X) or source
 (pkg_src_summary.gz generated by wip/pkg_src_summary) repositories.
 
 Communication protocol is a well known dictionary protocol described
 in RFC-2229. Server runs dictd (wip/dict-server)
 
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     Client/Server system for searching in pkgsrc packages.
 
      Dictionary protocol (RFC-2229) is used for searching.
 
  There is nothing specific to pkgsrc. It can easily be adopted
               to any other packaging system.
 
 ##########
 
 useful URLs:
 
   http://www.dict.org
   http://www.pkgsrc.org
 
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 Requirements:
 
   Server side (building utilities):
 
     - pkg_src_summary (for building summary for packages from
       pkgsrc/ tree)
 
       packaged in pkgsrc/wip/pkg_src_summary
 
     - pkg_summary4view
 
       packaged in pkgsrc/wip/pkg_summary4view
 
     - dictfmt > 1.10.10,
 
       http://sourceforge.net/projects/dict,
       version packaged in pkgsrc/wip/dict-server is good
         (>= dictd-1.10.10nb2)
 
     - pipestatus
 
       http://sourceforge.net/projects/pipestatus
 
     - dictd dictionary server > 1.10.10,
 
       http://sourceforge.net/projects/dict
 
       version packaged in pkgsrc/wip/dict-server is good
         (>= dictd-1.10.10nb2)
 
   Client side:
 
     - dictionary protocol client compatible with 'dict >= 1.10.9'
 
       http://sourceforge.net/projects/dict
 
       version packaged in pkgsrc/wip/dict-client is good
 
     - pipestatus
 
       http://sourceforge.net/projects/pipestatus
 
     - netcat
 
       net/netcat pkgsrc package
 
 Installation:
 
   make all install-dirs install  
   export PATH=$PATH:/usr/local/bin
 
 Sample of client usage:
 
   Initialization.
 
     export PKG_ONLINE_SERVER=your.server.org  # default - dictd.xdsl.by
     export PKG_ONLINE_PORT=your.port          # default - 2628
     # By default my server dictd.xdsl.by:26280 is used
 
     export PKG_ONLINE_NETCAT=/usr/pkg/sbin/nc # default - nc
 
   Running.
 
     # ask server for a list of available search strategies
     pkg_online_client -s
 
     # ask server for a list of fields to search in
     pkg_online_client -f
 
     # obtain information about packages (PKGNAME here, not PKGPATH!)
     pkg_online_client -i xxkb
     pkg_online_client -i dict-server dict-client
     pkg_online_client -i dictem
 
     # low-level search tool (full names for strategies and fields!)
     pkg_online_client 'MAINTAINER:prefix:jlam@'
     pkg_online_client 'PKGPATH:suffix:/dictem'
     pkg_online_client 'PKGPATH:substring:wip/p5-'
     pkg_online_client 'COMMENT:re:hash.*table'
 
     # multiple queries together and short names for strats and fields
     pkg_online_find '::dict'
     pkg_online_find '::dict' 'm:p:cheusov'
     pkg_online_find 'c:w:vpn'
     pkg_online_find 'c:r:dns.*server'
     pkg_online_find 'c:r:dns.*server' 'p:p:net'
 
     Here field 'c' means COMMENT, 'm' means MAINTAINER
     and 'p' means PKGPATH. Search strategy 'p' means 'prefix',
     '' means '.' (default search strategy, may be set individually per field),
     'r' means 're' and 'w' means 'word'.
 
     For the list of synonyms look inside pkg_online_client.env.
     Of course it is allowed to combine full names and short synonyms.
     Synonyms are overridable by you, see pkg_online_client.env.
 
 Environment variables:
 
    PKG_ONLINE_SERVER () - dictionary server host name
    PKG_ONLINE_PORT ()   - dictionary server port
    PKG_ONLINE_CLIENT (pkg_online_client) - override it if you want
       to implement offline search, new search strategies without
       reimplemeneting dictionary server or anything you need.
    PKG_ONLINE_DICT (dict) - path to dictionary protocol client.
    PKG_SUMMARY_TYPE (src) - "src" or "bin" for source or binary summary
       (output of 'wip/pkg_src_summary' or 'pkg_info -X')
    PKG_ONLINE_NETCAT (nc) - path to netcat program
 
 Running the server:
 XXX:
    export PKG_SUMMARY_TYPE=src # or bin depending on your summary type
    pkg_summary2all summary.txt
    mv *.index *.dict /path/to/dictd/databases/
    pkg_online_mkconf /path/to/dictd/databases > /path/to/dictd/config.conf
    finish configuring /path/to/dictd/config.conf
    run dictd
 
 Basic concepts:
 XXX:
    dictionary protocol server serves a number of
    databases (dictionaries). All these dictionaries are
    specially named, e.g. pkgsrc-src-index-COMMENT,
    pkgsrc-src-index-MAINTAINER and pkgsrc-src-info.
    pkgsrc-src-index-* are for indexing fields
       (field -> pkgname).
    pkgsrc-src-info keeps information about all packages
       (pkgname -> info).
    Dictionary server also provides a number of
    so called search strategies, e.g. exact, prefix, suffix etc.
 
    Look inside pkg_online_client to understand
    how dictionary protocol/server/client are used.
 
 http://www.dict.org
 http://sourceforge.net/projects/dict
 RFC-2229
 
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 -- 
 Best regards, Aleksey Cheusov.
 --- ifmail v.2.15dev5.4
  * Origin: Demos online service (2:5020/400)
 
 

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