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- <TITLE>The DXSpider Installation and Administration Manual: Filtering (New Style v1.45 and later)</TITLE>
+ <TITLE>The DXSpider Administration Manual v1.48: CVS</TITLE>
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-<H2><A NAME="s7">7. Filtering (New Style v1.45 and later)</A></H2>
+<H2><A NAME="s7">7. CVS</A></H2>
-<H2><A NAME="ss7.1">7.1 General filter rules</A>
-</H2>
-
-<P>Upto v1.44 it was not possible for the user to set their own filters. From
-v1.45 though that has all changed. It is now possible to set filters for just
-about anything you wish. If you have just updated from an older version of
-DXSpider you will need to update your new filters. You do not need to do
-anything with your old filters, they will be renamed as you update.
+<P>CVS stands for "Concurrent Versions System" and the CVS for DXSpider is held
+at
+<A HREF="http://www.sourceforge.net">Sourceforge</A>. This means
+that it is possible to update your DXSpider installation to the latest
+sources by using a few simple commands.
<P>
-<P>There are 3 basic commands involved in setting and manipulating filters. These
-are <EM>accept</EM>, <EM>reject</EM> and <EM>clear</EM>. First we will look
-generally at filtering. There are a number of things you can filter in the
-DXSpider system. They all use the same general mechanism.
+<P>THIS IS NOT FOR THE FAINT HEARTED!!! ONLY DO THIS IF YOU HAVE A TEST
+INSTALLATION OR ARE WILLING TO HAVE YOUR CLUSTER CRASH ON YOU!!!
+THIS MUST BE CONSIDERED AT LEAST BETA TESTING AND MAYBE EVEN ALPHA!!
+YOU HAVE BEEN WARNED!!!
<P>
-<P>In general terms you can create a 'reject' or an 'accept' filter which can have
-up to 10 lines in it. You do this using, for example ...
+<P>DID I MENTION..... ONLY DO THIS IF YOU ARE WILLING TO ACCEPT THE
+CONSEQUENCES!!!
<P>
-<BLOCKQUOTE><CODE>
-<PRE>
-
-accept/spots .....
-reject/spots .....
-</PRE>
-</CODE></BLOCKQUOTE>
-<P>where ..... are the specific commands for that type of filter. There are filters
-for spots, wwv, announce, wcy and (for sysops) connects. See each different
-accept or reject command reference for more details.
-<P>There is also a command to clear out one or more lines in a filter. They are ...
+<P>I am of course assuming that you have a machine with both DXSpider and
+Internet access running.
<P>
-<BLOCKQUOTE><CODE>
-<PRE>
-clear/spots 1
-clear/spots all
-</PRE>
-</CODE></BLOCKQUOTE>
-<P>There is clear/xxxx command for each type of filter.
+<P>BEFORE YOU EVEN CONSIDER STARTING WITH THIS MAKE A BACKUP OF YOUR
+ENTIRE SPIDER TREE!!
<P>
-<P>and you can check that your filters have worked by the command ...
+<P>Assuming you are connected to the Internet, you need to login to the
+CVS repository and then update your Spider source. There are several
+steps which are listed below ...
<P>
-<BLOCKQUOTE><CODE>
-<PRE>
-
-show/filter
-</PRE>
-</CODE></BLOCKQUOTE>
-<P>
-<P>For now we are going to use spots for the examples, but you can apply the same
-principles to all types of filter.
+<P>First login as the user <EM>sysop</EM>. Next you need to connect to the CVS
+repository. You do this with the command below ...
<P>
-<H2><A NAME="ss7.2">7.2 Types of filter</A>
-</H2>
-
-<P>There are two main types of filter, <EM>accept</EM> or <EM>reject</EM>. You
-can use either to achieve the result you want dependent on your own preference
-and which is more simple to do. It is pointless writing 8 lines of reject
-filters when 1 accept filter would do the same thing! Each filter has 10
-lines (of any length) which are tried in order. If a line matches then the
-action you have specified is taken (ie reject means ignore it and accept
-means take it)
-<P>
-<P>If you specify reject filters, then any lines that arrive that match the filter
-will be dumped but all else will be accepted. If you use an accept filter,
-then ONLY the lines in the filter will be accepted and all else will be dumped.
-For example if you have a single line <EM>accept</EM> filter ...
-<P>
-<BLOCKQUOTE><CODE>
<PRE>
-accept/spots on vhf and (by_zone 14,15,16 or call_zone 14,15,16)
+cvs -d:pserver:anonymous@cvs.DXSpider.sourceforge.net:/cvsroot/dxspider login
</PRE>
-</CODE></BLOCKQUOTE>
-<P>then you will <EM>ONLY</EM> get VHF spots <EM>from</EM> or <EM>to</EM> CQ zones
-14, 15 and 16.
+<P>You will get a password prompt. Simply hit return here and your machine should
+return to a normal linux prompt.
<P>
-<P>If you set a reject filter like this ...
+<P>What happens next depends on whether you have an existing installation that
+you want to update with the latest and greatest or whether you just want
+to see what is there and/or run it on a new machine for testing.
+<P>If you are installing Spider from CVS then change directory to /home/sysop
+<P>If you are wanting to update Spider then cd to /tmp
<P>
-<BLOCKQUOTE><CODE>
-<PRE>
-reject/spots on hf/cw
-</PRE>
-</CODE></BLOCKQUOTE>
-<P>Then you will get everything <EM>EXCEPT</EM> HF CW spots. You could make this
-single filter even more flexible. For example, if you are interested in IOTA
-and will work it even on CW even though normally you are not interested in
-CW, then you could say ...
+<P>The next step will create a brand new 'spider' directory in your current
+directory.
<P>
-<BLOCKQUOTE><CODE>
<PRE>
-reject/spots on hf/cw and not info iota
+cvs -z3 -d:pserver:anonymous@cvs.DXSpider.sourceforge.net:/cvsroot/dxspider co spider
</PRE>
-</CODE></BLOCKQUOTE>
-<P>But in that case you might only be interested in iota and say:-
+<P>This command is all on one line.
<P>
-<BLOCKQUOTE><CODE>
-<PRE>
-accept/spots not on hf/cw or info iota
-</PRE>
-</CODE></BLOCKQUOTE>
-<P>which achieves exactly the same thing. You should choose one or the other
-until you are comfortable with the way it works. You can mix them if you
-wish (actually you can have an accept AND a reject on the same line) but
-don't attempt this until you are sure you know what you are doing!
+<P>Hopefully your screen should show you downloading files. The -z3 simply compresses
+the download to improve speed.
+When this has finished, you will have exactly the same as if you had untarred a full
+tarball PLUS some extra directories and files that CVS needs to do the magic that
+it does.
<P>
-<P>You can arrange your filter lines into logical units, either for your own
-understanding or simply convenience. Here is an example ...
+<P>Now if you are doing a new installation, that's it. Carry on as if you have
+just downloaded and untarred the lastest tarball.
<P>
-<BLOCKQUOTE><CODE>
-<PRE>
-reject/spots 1 on hf/cw
-reject/spots 2 on 50000/1400000 not (by_zone 14,15,16 or call_zone 14,15,16)
-</PRE>
-</CODE></BLOCKQUOTE>
-<P>What this does is to ignore all HF CW spots and also rejects any spots on VHF
-which don't either originate or spot someone in Europe.
-<P>
-<P>This is an example where you would use a line number (1 and 2 in this case), if
-you leave the digit out, the system assumes '1'. Digits '0'-'9' are available.
-This make it easier to see just what filters you have set. It also makes it
-more simple to remove individual filters, during a contest for example.
-<P>
-<P>You will notice in the above example that the second line has brackets. Look
-at the line logically. You can see there are 2 separate sections to it. We
-are saying reject spots that are VHF or above <EM>APART</EM> from those in
-zones 14, 15 and 16 (either spotted there or originated there). If you did
-not have the brackets to separate the 2 sections, then Spider would read it
-logically from the front and see a different expression entirely ...
-<P>
-<BLOCKQUOTE><CODE>
-<PRE>
-(on 50000/1400000 and by_zone 14,15,16) or call_zone 14,15,16
-</PRE>
-</CODE></BLOCKQUOTE>
-<P>The simple way to remember this is, if you use OR - use brackets. Whilst we are
-here CASE is not important. 'And BY_Zone' is just the same as 'and by_zone'.
-<P>As mentioned earlier, setting several filters can be more flexible than
-simply setting one complex one. Doing it in this way means that if you want
-to alter your filter you can just redefine or remove one or more lines of it or
-one line. For example ...
-<P>
-<BLOCKQUOTE><CODE>
-<PRE>
-reject/spots 1 on hf/ssb
-</PRE>
-</CODE></BLOCKQUOTE>
-<P>would redefine our earlier example, or
+<P>If you want to upgrade your current installation then do this ...
<P>
<BLOCKQUOTE><CODE>
<PRE>
-clear/spots 1
+tar cvfz /tmp/s.tgz spider
+cd /
+tar xvfzp /tmp/s.tgz
</PRE>
</CODE></BLOCKQUOTE>
-<P>To remove all the filter lines in the spot filter ...
-<P>
-<BLOCKQUOTE><CODE>
-<PRE>
-clear/spots all
-</PRE>
-</CODE></BLOCKQUOTE>
-<P>
-<H2><A NAME="ss7.3">7.3 Filter options</A>
-</H2>
-
-<P>You can filter in several different ways. The options are listed in the
-various helpfiles for accept, reject and filter.
+<P>This is assuming you downloaded to the /tmp directory of course.
<P>
-<H2><A NAME="ss7.4">7.4 Default filters</A>
-</H2>
-
-<P>Sometimes all that is needed is a general rule for node connects. This can
-be done with a node_default filter. This rule will always be followed, even
-if the link is isolated, unless another filter is set specifically. Default
-rules can be set for nodes and users. They can be set for spots, announces,
-WWV and WCY. They can also be used for hops. An example might look like
-this ...
+<P>NOTE: the 'p' on the end of the 'xvfz' is IMPORTANT! It keeps the permissions
+correct. YOU WERE LOGGED IN AS THE USER SYSOP WEREN'T YOU?????
+<P>Remember to recompile the C client (cd /spider/src; make)
<P>
-<BLOCKQUOTE><CODE>
-<PRE>
-accept/spot node_default by_zone 14,15,16,20,33
-set/hops node_default spot 50
-</PRE>
-</CODE></BLOCKQUOTE>
-<P>This filter is for spots only, you could set others for announce, WWV and WCY.
-This filter would work for ALL nodes unless a specific filter is written to
-override it for a particular node. You can also set a user_default should
-you require. It is important to note that default filters should be
-considered to be "connected". By this I mean that should you override the
-default filter for spots, you need to add a rule for the hops for spots also.
-<P>
-<H2><A NAME="ss7.5">7.5 Advanced filtering</A>
-</H2>
-
-<P>Once you are happy with the results you get, you may like to experiment.
+<P>At this point the files have been upgraded. You can (usually) restart the cluster
+in your own time. However, if you attempt to use any new commands or features
+expect it to be fatal! At least your cluster will have been restarted then so it
+will be too late to worry about it!
<P>
-<P>The previous example that filters hf/cw spots and accepts vhf/uhf spots from EU
-can be written with a mixed filter, for example ...
+<P>Now the magic part! From now on when you want to update, simply connect to the
+Internet and then, as the user <EM>sysop</EM> ...
<P>
<BLOCKQUOTE><CODE>
<PRE>
-rej/spot on hf/cw
-acc/spot on 0/30000
-acc/spot 2 on 50000/1400000 and (by_zone 14,15,16 or call_zone 14,15,16)
+cd /spider
+cvs -z3 update -d
</PRE>
</CODE></BLOCKQUOTE>
-<P>Note that the first filter has not been specified with a number. This will
-automatically be assumed to be number 1. In this case, we have said <EM>reject all
-HF spots in the CW section of the bands but accept all others at HF. Also
-accept anything in VHF and above spotted in or by operators in the zones
-14, 15 and 16</EM>. Each filter slot actually has a 'reject' slot and
-an 'accept' slot. The reject slot is executed BEFORE the accept slot.
-<P>
-<P>It was mentioned earlier that after a reject test that doesn't match, the default
-for following tests is 'accept', the reverse is true for 'accept'. In the example
-what happens is that the reject is executed first, any non hf/cw spot is passed
-to the accept line, which lets through everything else on HF. The next filter line
-lets through just VHF/UHF spots from EU.
+<P>and your files will be updated. As above, remember to recompile the "C" client
+if it has been updated (CVS will tell you) and restart if any of the perl scripts
+have been altered or added, again, CVS will tell you.
<P>
+<P>You will find any changes documented in the /spider/Changes file.
<P>
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