-#!/usr/bin/perl
+#
#
# This module impliments the abstracted routing for all protocols and
-# is probably what I SHOULD have done the first time.
+# is probably what I SHOULD have done the first time.
#
# Heyho.
#
-# This is just a container class which I expect to subclass
+# This is just a container class which I expect to subclass
#
# Copyright (c) 2001 Dirk Koopman G1TLH
#
-# $Id$
-#
+#
+#
package Route;
use DXDebug;
+use DXChannel;
+use Prefix;
+use DXUtil;
use strict;
-use vars qw(%list %valid);
+
+use vars qw(%list %valid $filterdef $maxlevel);
%valid = (
call => "0,Callsign",
+ city => '0,City',
+ cq => '0,CQ Zone',
+ dxcc => '0,Country Code',
flags => "0,Flags,phex",
+ ip => '0,IP Address',
+ itu => '0,ITU Zone',
+ parent => '0,Parent Calls,parray',
+ state => '0,State',
);
+$filterdef = bless ([
+ # tag, sort, field, priv, special parser
+ ['channel', 'c', 0],
+ ['channel_dxcc', 'nc', 1],
+ ['channel_itu', 'ni', 2],
+ ['channel_zone', 'nz', 3],
+ ['call', 'c', 4],
+ ['by', 'c', 4],
+ ['call_dxcc', 'nc', 5],
+ ['by_dxcc', 'nc', 5],
+ ['call_itu', 'ni', 6],
+ ['by_itu', 'ni', 6],
+ ['call_zone', 'nz', 7],
+ ['by_zone', 'nz', 7],
+ ['channel_state', 'ns', 8],
+ ['call_state', 'ns', 9],
+ ['by_state', 'ns', 9],
+ ], 'Filter::Cmd');
+
+$maxlevel = 25; # maximum recursion level in Route::config
+
sub new
{
my ($pkg, $call) = @_;
+ $pkg = ref $pkg if ref $pkg;
- dbg('routelow', "create " . (ref($pkg) || $pkg) ." with $call");
-
- return bless {call => $call}, (ref $pkg || $pkg);
+ my $self = bless {call => $call}, $pkg;
+ dbg("create $pkg with $call") if isdbg('routelow');
+
+ # add in all the dxcc, itu, zone info
+ ($self->{dxcc}, $self->{itu}, $self->{cq}, $self->{state}, $self->{city}) =
+ Prefix::cty_data($call);
+
+ $self->{flags} = here(1);
+
+ return $self;
}
#
return $thingy;
}
-#
+#
# add and delete a callsign to/from a list
#
{
my $self = shift;
my $field = shift;
+ my @out;
foreach my $c (@_) {
- my $call = _getcall($c);
- unless (grep {$_ eq $call} @{$self->{$field}}) {
+ confess "Need a ref here" unless ref($c);
+
+ my $call = $c->{call};
+ unless (grep $_ eq $call, @{$self->{$field}}) {
push @{$self->{$field}}, $call;
- dbg('routelow', ref($self) . " adding $call to " . $self->{call} . "->\{$field\}");
+ dbg(ref($self) . " adding $call to " . $self->{call} . "->\{$field\}") if isdbg('routelow');
+ push @out, $c;
}
}
- return $self->{$field};
+ return @out;
}
sub _dellist
{
my $self = shift;
my $field = shift;
+ my @out;
foreach my $c (@_) {
- my $call = _getcall($c);
- if (grep {$_ eq $call} @{$self->{$field}}) {
+ confess "Need a ref here" unless ref($c);
+ my $call = $c->{call};
+ if (grep $_ eq $call, @{$self->{$field}}) {
$self->{$field} = [ grep {$_ ne $call} @{$self->{$field}} ];
- dbg('routelow', ref($self) . " deleting $call from " . $self->{call} . "->\{$field\}");
+ dbg(ref($self) . " deleting $call from " . $self->{call} . "->\{$field\}") if isdbg('routelow');
+ push @out, $c;
}
}
- return $self->{$field};
+ return @out;
+}
+
+sub is_empty
+{
+ my $self = shift;
+ return @{$self->{$_[0]}} == 0;
}
#
# flag field constructors/enquirers
#
+# These can be called in various ways:-
+#
+# Route::here or $ref->here returns 1 or 0 depending on value of the here flag
+# Route::here(1) returns 2 (the bit value of the here flag)
+# $ref->here(1) or $ref->here(0) sets the here flag
+#
sub here
{
my $self = shift;
my $r = shift;
return $self ? 2 : 0 unless ref $self;
- return $self->{flags} & 2 unless $r;
+ return ($self->{flags} & 2) ? 1 : 0 unless defined $r;
$self->{flags} = (($self->{flags} & ~2) | ($r ? 2 : 0));
- return $r;
+ return $r ? 1 : 0;
}
sub conf
my $self = shift;
my $r = shift;
return $self ? 1 : 0 unless ref $self;
- return $self->{flags} & 1 unless $r;
+ return ($self->{flags} & 1) ? 1 : 0 unless defined $r;
$self->{flags} = (($self->{flags} & ~1) | ($r ? 1 : 0));
- return $r;
+ return $r ? 1 : 0;
+}
+
+sub parents
+{
+ my $self = shift;
+ return @{$self->{parent}};
}
-#
+#
# display routines
#
sub config
{
my $self = shift;
- my $nodes_only = shift;
+ my $nodes_only = shift || 0;
+ my $width = shift || 79;
my $level = shift;
+ my $seen = shift;
my @out;
my $line;
- my $call = $self->user_call;
+ my $call = $self->{call};
my $printit = 1;
+ dbg("config: $call nodes: $nodes_only level: $level calls: " . join(',', @_)) if isdbg('routec');
+
# allow ranges
if (@_) {
$printit = grep $call =~ m|$_|, @_;
}
if ($printit) {
- $line = ' ' x ($level*2) . "$call";
- $call = ' ' x length $call;
+ my $pcall = $self->user_call;
+ $pcall .= ":" . $self->obscount if isdbg('obscount');
+
+
+ $line = ' ' x ($level*2) . $pcall;
+ $pcall = ' ' x length $pcall;
+
+ # recursion detector
+ if ((DXChannel::get($call) && $level > 1) || $seen->{$call} || $level > $maxlevel) {
+ $line .= ' ...';
+ push @out, $line;
+ return @out;
+ }
+ $seen->{$call}++;
+
+ # print users
unless ($nodes_only) {
if (@{$self->{users}}) {
$line .= '->';
my $c;
if ($uref) {
$c = $uref->user_call;
- } else {
+ }
+ else {
$c = "$ucall?";
}
- if ((length $line) + (length $c) + 1 < 79) {
+ if ((length $line) + (length $c) + 1 < $width) {
$line .= $c . ' ';
- } else {
+ }
+ else {
$line =~ s/\s+$//;
push @out, $line;
- $line = ' ' x ($level*2) . "$call->";
+ $line = ' ' x ($level*2) . "$pcall->$c ";
}
}
}
$line =~ s/\s+$//;
push @out, $line if length $line;
}
-
+ else {
+ # recursion detector
+ if ((DXChannel::get($call) && $level > 1) || $seen->{$call} || $level > $maxlevel) {
+ return @out;
+ }
+ $seen->{$call}++;
+ }
+
+ # deal with more nodes
foreach my $ncall (sort @{$self->{nodes}}) {
my $nref = Route::Node::get($ncall);
if ($nref) {
my $c = $nref->user_call;
- push @out, $nref->config($nodes_only, $level+1, @_);
+ dbg("recursing from $call -> $c") if isdbg('routec');
+ my @rout = $nref->config($nodes_only, $width, $level+1, $seen, @_);
+ if (@rout && @_) {
+ push @out, ' ' x ($level*2) . $self->user_call unless grep /^\s+$call/, @out;
+ }
+ push @out, @rout;
} else {
- push @out, ' ' x (($level+1)*2) . "$ncall?" if @_ == 0 || (@_ && grep $ncall =~ m|$_|, @_);
+ push @out, ' ' x (($level+1)*2) . "$ncall?" if @_ == 0 || (@_ && grep $ncall =~ m|$_|, @_);
}
}
return @out;
}
+sub cluster
+{
+ my $nodes = Route::Node::count();
+ my $tot = Route::User::count();
+ my ($users, $maxlocalusers) = DXCommandmode::user_count(); # the user count is wrong because of skimmers
+ my $maxusers = Route::User::max();
+ my $uptime = main::uptime();
+ my $localnodes = $DXChannel::count - $users; # this is now wrong because of skimmers
+
+ return ($nodes, $tot, $users, $maxlocalusers, $maxusers, $uptime, $localnodes);
+
+
+}
+
#
# routing things
#
+sub get
+{
+ my $call = shift;
+ return Route::Node::get($call) || Route::User::get($call);
+}
+
+sub findroutes
+{
+ my $call = shift;
+ my %cand;
+ my @out;
+
+ dbg("ROUTE: findroutes $call") if isdbg('findroutes');
+
+ my $nref = Route::get($call);
+ return () unless $nref;
+
+ # we are directly connected, force "best possible" priority, but
+ # carry on in case user is connected on other nodes.
+ my $dxchan = DXChannel::get($call);
+ if ($dxchan) {
+ dbg("ROUTE: findroutes $call -> directly connected") if isdbg('findroutes');
+ $cand{$call} = 99;
+ }
+
+ # obtain the dxchannels that have seen this thingy
+ my @parent = $nref->isa('Route::User') ? @{$nref->{parent}} : $call;
+ foreach my $p (@parent) {
+ next if $p eq $main::mycall; # this is dealt with above
+
+ # deal with directly connected nodes, again "best priority"
+ $dxchan = DXChannel::get($p);
+ if ($dxchan) {
+ dbg("ROUTE: findroutes $call -> connected direct via parent $p") if isdbg('findroutes');
+ $cand{$p} = 99;
+ next;
+ }
+
+ my $r = Route::Node::get($p);
+ if ($r) {
+ my %r = $r->PC92C_dxchan;
+ while (my ($k, $v) = each %r) {
+ $cand{$k} = $v if $v > ($cand{$k} || 0);
+ }
+ }
+ }
+
+ # remove any dxchannels that have gone away
+ while (my ($k, $v) = each %cand) {
+ if (my $dxc = DXChannel::get($k)) {
+ push @out, [$v, $dxc];
+ }
+ }
+
+ # get a sorted list of dxchannels with the highest hop count first
+ my @nout = sort {$b->[0] <=> $a->[0]} @out;
+ if (isdbg('findroutes')) {
+ if (@nout) {
+ for (@nout) {
+ dbg("ROUTE: findroutes $call -> $_->[0] " . $_->[1]->call);
+ }
+ }
+ }
+
+ return @nout;
+}
+
+# find all the possible dxchannels which this object might be on
+sub alldxchan
+{
+ my $self = shift;
+ my @dxchan = findroutes($self->{call});
+ return map {$_->[1]} @dxchan;
+}
+
+sub dxchan
+{
+ my $self = shift;
+
+ # ALWAYS return the locally connected channel if present;
+ my $dxchan = DXChannel::get($self->call);
+ return $dxchan if $dxchan;
+
+ my @dxchan = $self->alldxchan;
+ return undef unless @dxchan;
+
+ # dxchannels are now returned in order of "closeness"
+ return $dxchan[0];
+}
+
+sub delete_interface
+{
+
+}
#
# track destruction
{
my $self = shift;
my $pkg = ref $self;
-
- dbg('routelow', "$pkg $self->{call} destroyed");
+
+ dbg("$pkg $self->{call} destroyed") if isdbg('routelow');
}
no strict;
#
-# return a list of valid elements
-#
+# return a list of valid elements
+#
sub fields
{
#
sub field_prompt
-{
+{
my ($self, $ele) = @_;
my $pkg = ref $self;
my $val = "${pkg}::valid";
#
sub AUTOLOAD
{
- my $self = shift;
+ no strict;
my $name = $AUTOLOAD;
return if $name =~ /::DESTROY$/;
- $name =~ s/.*:://o;
-
+ $name =~ s/^.*:://o;
+
confess "Non-existant field '$AUTOLOAD'" if !$valid{$name};
# this clever line of code creates a subroutine which takes over from autoload
# from OO Perl - Conway
-# *{$AUTOLOAD} = sub {@_ > 1 ? $_[0]->{$name} = $_[1] : $_[0]->{$name}} ;
- @_ ? $self->{$name} = shift : $self->{$name} ;
+ *{$AUTOLOAD} = sub {@_ > 1 ? $_[0]->{$name} = $_[1] : $_[0]->{$name}};
+ goto &$AUTOLOAD;
+
}
1;
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