Thank you Thank you Thank you 2009/9/1 <[email protected]>
> Revision: 12382 > > http://harbour-project.svn.sourceforge.net/harbour-project/?rev=12382&view=rev > Author: druzus > Date: 2009-08-31 22:56:45 +0000 (Mon, 31 Aug 2009) > > Log Message: > ----------- > 2009-09-01 00:56 UTC+0200 Przemyslaw Czerpak (druzus/at/priv.onet.pl) > * harbour/harbour.spec > * harbour/harbour-win-spec > * harbour/harbour-wce-spec > * harbour/bin/hb-func.sh > * harbour/contrib/Makefile > + harbour/contrib/hbnetio > + harbour/contrib/hbnetio/netio.h > + harbour/contrib/hbnetio/netiomt.prg > + harbour/contrib/hbnetio/netiocli.c > + harbour/contrib/hbnetio/netiosrv.c > + harbour/contrib/hbnetio/Makefile > + added new library: HBNETIO. > It implements alternative RDD IO API which uses own TCP/IP sockets > to exchange data between client and server. > This library contains client and server code and is fully MT safe. > On client side it's enough to execute: > NETIO_CONNECT( [<cServer>], [<cPort>], [<nTimeOut>] ) -> <lOK> > function to register alternative NETIO RDD API and set default > server address and port. > <cServer> - server addres (default 127.0.0.1) > <cPort> - server port (default 2941) > <nTimeOut> - connection timeout (default -1 - not timeout) > Above settings are thread local and parameters of the 1-st successful > connection are used as default values for each new thread. > After registering NETIO client by above function each file starting > "net:" prefix is automatically redirected to given NETIO server, i.e. > use "net:mytable" > It's also possible to pass NETIO server and port as part of file name, > i.e.: > use "net:192.168.0.1:10005:mytable" > On the server side the following functions are available: > create NETIO listen socket: > NETIO_LISTEN( [<nPort>], [<cAddress>], [<cRootDir>] ) > -> <pListenSocket> | NIL > accept new connection on NETIO listen socket: > NETIO_ACCEPT( <pListenSocket> [, <nTimeOut>] ) > -> <pConnectionSocket> | NIL > start connection server: > NETIO_SERVER( <pConnectionSocket> ) -> NIL > stop connection accepting or connection server: > NETIO_SERVERSTOP( <pListenSocket> | <pConnectionSocket>, <lStop> ) > -> NIL > activate MT NETIO server (it needs MT HVM): > NETIO_MTSERVER( [<nPort>], [<cAddress>] ) -> <pListenSocket> | NIL > > To create NETIO server is enough to compile and link with MT HVM > this code: > > proc main() > local pListenSocket > > pListenSocket := netio_mtserver() > if empty( pListenSocket ) > ? "Cannot start server." > else > wait "Press any key to stop NETIO server." > netio_serverstop( pListenSocket ) > pListenSocket := NIL > endif > return > > NETIO works with all core RDDs (DBF, DBFFPT, DBFBLOB, DBFNTX, DBFCDX, > DBFNSX, SDF, DELIM) and any other RDD which inherits from above or > use standard RDD IO API (hb_file*() functions). > Without touching even single line in RDD code it gives the same > functionality as REDBFCDX in xHarbour but for all RDDs. > It's possible that such direct TCP/IP connection is faster then > file server protocols especially if they need more then one IP frame > to exchange data so it's one of the reason to use it in such cases. > Please make real speed tests. > The second reason to use NETIO server is resolving problem with > concurrent access to the same files using Harbour applications > compiled for different platforms, i.e. DOS, LINUX, Windows and OS2. > It's very hard to configure all client stations to use correct > locking system. NETIO fully resolves this problem so it can be > interesting alternative also for MS-Windows users only if they > do not want to play with oplocks setting on each station. > I'm interesting in user opinions about real life NETIO usage. > > Have a fun with this new toy ;-) > > + harbour/contrib/hbnetio/tests > + harbour/contrib/hbnetio/tests/netiotst.prg > + harbour/contrib/hbnetio/tests/netiotst.hbp > + harbour/contrib/hbnetio/tests/data > + added simple test code for NETIO. It activates NETIO MT server > and then connects to this server to create and browse table with > memo file and production index with few tags. > > Modified Paths: > -------------- > trunk/harbour/ChangeLog > trunk/harbour/bin/hb-func.sh > trunk/harbour/contrib/Makefile > trunk/harbour/harbour-wce-spec > trunk/harbour/harbour-win-spec > trunk/harbour/harbour.spec > > Added Paths: > ----------- > trunk/harbour/contrib/hbnetio/ > trunk/harbour/contrib/hbnetio/Makefile > trunk/harbour/contrib/hbnetio/netio.h > trunk/harbour/contrib/hbnetio/netiocli.c > trunk/harbour/contrib/hbnetio/netiomt.prg > trunk/harbour/contrib/hbnetio/netiosrv.c > trunk/harbour/contrib/hbnetio/tests/ > trunk/harbour/contrib/hbnetio/tests/data/ > trunk/harbour/contrib/hbnetio/tests/netiotst.hbp > trunk/harbour/contrib/hbnetio/tests/netiotst.prg > > > This was sent by the SourceForge.net collaborative development platform, > the world's largest Open Source development site. > _______________________________________________ > Harbour mailing list > [email protected] > http://lists.harbour-project.org/mailman/listinfo/harbour > -- Massimo Belgrano
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