From fd20f44c57b732d5362a5ee9b9edb25c958cf71c Mon Sep 17 00:00:00 2001
From: minima <minima>
Date: Wed, 18 Jan 2006 23:22:36 +0000
Subject: [PATCH] Add IM module for talk, chat and announces Add deduping for
 DXXml. Add -(ve) fudge for build nos

---
 perl/DXXml.pm    | 32 +++++++++++++++++++++--
 perl/DXXml/IM.pm | 67 ++++++++++++++++++++++++++++++++++++++++++++++++
 perl/cluster.pl  |  2 +-
 3 files changed, 98 insertions(+), 3 deletions(-)
 create mode 100644 perl/DXXml/IM.pm

diff --git a/perl/DXXml.pm b/perl/DXXml.pm
index c29620bb..c877436b 100644
--- a/perl/DXXml.pm
+++ b/perl/DXXml.pm
@@ -14,10 +14,12 @@ use IsoTime;
 use DXProt;
 use DXDebug;
 use DXLog;
+use DXUtil;
 use DXXml::Ping;
 use DXXml::Dx;
+use DXXml::IM;
 
-use vars qw($VERSION $BRANCH $xs $id);
+use vars qw($VERSION $BRANCH $xs $id $max_old_age $max_future_age);
 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/  || (0,0));
 $main::build += $VERSION;
@@ -25,6 +27,8 @@ $main::branch += $BRANCH;
 
 $xs = undef;					# the XML::Simple parser instance
 $id = 0;						# the next ID to be used
+$max_old_age = 3600;			# how old a sentence we will accept
+$max_future_age = 900;			# how far into the future we will accept
 
 # generate a new XML sentence structure 
 sub new
@@ -82,11 +86,35 @@ sub normal
 		undef $@;
 		return;
 	}
-	
+
+	# do some basic checks
+	my ($o, $t, $id);
+	unless (exists $xref->{o} && is_callsign($o = $xref->{o})) {
+		dbg("Invalid origin, not a callsign") if isdbg('chanerr');
+		return;
+	}
+	unless (exists $xref->{t} && ($t = IsoTime::unixtime($xref->{t}))) {
+		dbg("Invalid, non-existant or zero time") if isdbg('chanerr');
+		return;
+	}
+	unless ($t < $main::systime - $max_old_age || $t > $main::systime + $max_future_age) {
+		dbg("Too old or too far in the future") if isdbg('chanerr');
+		return;
+	}
+	unless (exists $xref->{id} && ($id = $xref->{id}) >= 0 && $id <= 9999) {
+		dbg("Invalid or non-existant id") if isdbg('chanerr');
+		return;
+	}
+
 	# mark the handle as accepting xml (but only if they 
 	# have at least one right)
 	$dxchan->handle_xml(1);
 
+	# now check that we have not seen this before 
+	# this is based on the tuple (o (origin), t (time, normalised to time_t), id)
+	$xref->{'-timet'} = $t;
+	return if DXDupe::check("xml,$o,$t,$id");
+		
 	$xref = bless $xref, $pkg;
 	$xref->{'-xml'} = $line; 
 	$xref->handle_input($dxchan);
diff --git a/perl/DXXml/IM.pm b/perl/DXXml/IM.pm
new file mode 100644
index 00000000..d0a18470
--- /dev/null
+++ b/perl/DXXml/IM.pm
@@ -0,0 +1,67 @@
+#
+# XML IM handler (Chat, Announces, Talk)
+#
+# $Id$
+#
+# Copyright (c) Dirk Koopman, G1TLH
+#
+
+use strict;
+
+package DXXml::IM;
+
+use DXDebug;
+use DXProt;
+use IsoTime;
+use Investigate;
+use Time::HiRes qw(gettimeofday tv_interval);
+
+use vars qw($VERSION $BRANCH @ISA %pings);
+$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
+$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/  || (0,0));
+$main::build += $VERSION;
+$main::branch += $BRANCH;
+
+@ISA = qw(DXXml);
+
+#
+# This is the general purpose IM sentence
+#
+# It is of the form: <chat [to=<user call>|<node call>|<chat group>] ...>the text</chat>
+#
+# This covers:
+#
+#     announce/full        (no to=)
+#     announce/local       (to="$mycall")
+#     announce/<node call> (to="<node call>")
+#     chat <group>         (to="<group>")
+#     talk <user call>     (to="<user call>")
+# 
+
+sub handle_input
+{
+	my $self = shift;
+	my $dxchan = shift;
+	
+	if ($self->{to} eq $main::mycall) {
+
+	} else {
+		$self->route($dxchan);
+	}
+}
+
+sub topcxx
+{
+	my $self = shift;
+	unless (exists $self->{'-pcxx'}) {
+		if (my $to = $self->{to}) {
+			if (Route::Node::get($to)) {
+				
+			}
+		}
+		$self->{'-pcxx'} = DXProt::pc51($self->{to}, $self->{o}, $self->{s});
+	}
+	return $self->{'-pcxx'};
+}
+
+1;
diff --git a/perl/cluster.pl b/perl/cluster.pl
index 6ed4c556..5f5b492c 100755
--- a/perl/cluster.pl
+++ b/perl/cluster.pl
@@ -135,7 +135,7 @@ $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/  || (0,0));
 $main::build += $VERSION;
 $main::branch += $BRANCH;
-#$main::build += 2;				# fudge (put back for now)
+$main::build -= 1;				# fudge (put back for now)
 
 
       
-- 
2.43.0