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+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+ <head>
+ <title>Connecting to other Clusters</title>
+ </head>
+
+ <body>
+ <h2>Connecting to other Clusters</h2>
+
+ <hr>
+ <address><a href="mailto:djk@tobit.co.uk">Dirk Koopman G1TLH</a></address>
+ <p>
+<!-- Created: Sun Dec 13 20:25:14 GMT 1998 -->
+<!-- hhmts start -->
+Last modified: Sun Dec 13 22:31:33 GMT 1998
+<!-- hhmts end -->
+ <p>At the moment, anybody can connect inwards at any time from outside, either by ax25 or by
+ telnet (assuming you have followed the instructions in <a href="install.html">installation</a>
+ instructions. However, in order to connect outwards, you will need to create <em>connect</em> scripts.
+
+ <p><em>Connect</em> scripts live in the <tt>/spider/connect</tt> directory and are simple ascii scripts
+ that are written using a normal editor. There are a couple of examples in the issue directory.
+
+ <p>Here are a couple of basic types, first a telnet connection:-
+ <pre>
+ timeout 15
+ # this is a comment
+ connect telnet dirkl.tobit.co.uk
+ 'login' 'gb7djk'
+ 'word' 'gb7djk'
+ client /usr/bin/perl /spider/perl/client.pl gb7djk-1 telnet
+ </pre>
+ <p>and an ax25 example:-
+ <pre>
+ timeout 60
+ abort (Busy|Sorry|Fail)
+ # don't forget to chmod 4775 netrom_call!
+ connect ax25 /usr/sbin/netrom_call bbs gb7djk g1tlh
+ 'Connect' ''
+ 'Connect' 'c np7'
+ 'Connect' 'c gb7dxm'
+ 'Connect' ''
+ client /usr/bin/perl /spider/perl/client.pl gb7dxm ax25
+ </pre>
+
+ <p>A connection is started manually by typing in <tt>connect <scriptname></tt> on a sysop enabled
+ <tt>client.pl</tt> session. For example:-
+ <pre>
+ G1TLH de GB7DJK 13-Dec-1998 2041Z > connect gb7djk-1
+ connection to GB7DJK-1 started
+ G1TLH de GB7DJK 13-Dec-1998 2043Z >
+ </pre>
+
+ <p>You can watch the progress of the connection (if you have the standard debugging enabled) on the
+ <tt>cluster.pl</tt> screen and you should see something like this:-
+ <pre>
+ <- D G1TLH connect gb7djk-1
+ -> D G1TLH connection to GB7DJK-1 started
+ -> D G1TLH G1TLH de GB7DJK 13-Dec-1998 2046Z >
+ timeout set to 15
+ CONNECT sort: telnet command: dirkl.tobit.co.uk
+ CHAT "login" -> "gb7djk"
+ received "
+ Red Hat Linux release 5.1 (Manhattan)
+ Kernel 2.0.35 on an i586
+ "
+ received "login: "
+ sent "gb7djk"
+ CHAT "word" -> "gb7djk"
+ received "gb7djk
+
+ "
+ received "Password: "
+ sent "gb7djk"
+ Connected to GB7DJK-1, starting normal protocol
+ <- O GB7DJK-1 telnet
+ -> B GB7DJK-1 0
+ GB7DJK-1 channel func state 0 -> init
+ <- D GB7DJK-1
+ <- D GB7DJK-1 Last login: Sun Dec 13 17:59:56 from dirk1
+ <- D GB7DJK-1 PC38^GB7DJK-1^~
+ <- D GB7DJK-1 PC18^ 1 nodes, 0 local / 1 total users Max users 0 Uptime 0 00:00^5447^~
+ etc
+ </pre>
+
+ <p>The connect scripts consist of lines which start with the following keywords or symbols:-
+ <ul>
+ <p><li><b>#</b> All lines starting with a <b>#</b> are ignored, as are wholly blank lines.
+ <p><li><b>timeout</b> followed by a number is the number of seconds to wait for a command
+ to complete. If there is no <b>timeout</b> specified in the script then the default is 60 seconds.
+ <P><li><b>abort</b> is a regular expression containing one or more strings to look for to abort a
+ connection. This is a perl regular expression and is executed ignoring case.
+ <p><li><b>connect</b> followed by <b>ax25</b> or <b>telnet</b> and some type dependent information. In
+ the case of a <b>telnet</b> connection, there can be up to two parameters, the first is the ip
+ address or hostname of the computer you wish to connect to and the second is the port number you
+ want to use (this can be left out if it is a normal telnet session).
+ <p>In the case of an <b>ax25</b> session then this would normally be a call to <tt>ax25_call</tt>
+ or <tt>netrom_call</tt> as in the example above. It is your responsibility to get your node
+ and other ax25 parameters to work before going down this route!
+ <p><li><b>'</b> or <b>"</b> are the delimiting characters for a <tt>chat</tt> type script. They normally
+ come in pairs, either can be empty. Each line reads input from the connection until it sees the string
+ (or perl regular expression) contained in the left hand string. If the left hand string is empty then
+ it doesn't read or wait for anything. The comparison is done ignoring case.
+ <p>When the left hand string has found what it is looking (if it is) then the right hand string is
+ sent to the connection.
+ <p>This process is repeated for every line of <tt>chat</tt> script.
+ <p><li><b>client</b> starts the client program and should be exactly as you would want it with an incoming
+ connection.
+ </ul>
+ <hr>
+ <h5>$Id</h5>
+ </body>
+</html>
projects / spider.git / blobdiff