-#!/usr/bin/perl
+#
#
# This module impliments the abstracted routing for all protocols and
# is probably what I SHOULD have done the first time.
#
# Copyright (c) 2001 Dirk Koopman G1TLH
#
-# $Id$
+#
#
package Route;
{
my $self = shift;
my $nodes_only = shift || 0;
+ my $width = shift || 79;
my $level = shift;
my $seen = shift;
my @out;
$pcall .= ":" . $self->obscount if isdbg('obscount');
- $line = ' ' x ($level*2) . "$pcall";
+ $line = ' ' x ($level*2) . $pcall;
$pcall = ' ' x length $pcall;
# recursion detector
} else {
$c = "$ucall?";
}
- if ((length $line) + (length $c) + 1 < 79) {
+ if ((length $line) + (length $c) + 1 < $width) {
$line .= $c . ' ';
} else {
$line =~ s/\s+$//;
if ($nref) {
my $c = $nref->user_call;
dbg("recursing from $call -> $c") if isdbg('routec');
- my @rout = $nref->config($nodes_only, $level+1, $seen, @_);
+ 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;
}
sub findroutes
{
my $call = shift;
- my $level = shift || 0;
- my $seen = shift || {};
+ my %cand;
my @out;
- dbg("findroutes: $call level: $level calls: " . join(',', @_)) if isdbg('routec');
+ dbg("ROUTE: findroutes $call") if isdbg('findroutes');
- # recursion detector
- return () if $seen->{$call};
- if (my $dxchan = DXChannel::get($call)) {
- $seen->{$call}++;
- push @out, $level ? [$level, $dxchan] : $dxchan;
- return @out;
+ 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;
}
- $seen->{$call}++;
- # deal with more nodes
- my $nref = Route::get($call);
- foreach my $ncall (@{$nref->{parent}}) {
- unless ($seen->{$ncall}) {
- dbg("recursing from $call -> $ncall") if isdbg('routec');
- my @rout = findroutes($ncall, $level+1, $seen);
- push @out, @rout;
+ # 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 $level == 0 ? map {$_->[1]} sort {$a->[0] <=> $b->[0]} @out : @out;
+ return @nout;
}
# find all the possible dxchannels which this object might be on
sub alldxchan
{
my $self = shift;
- my @dxchan;
-# dbg("Trying node $self->{call}") if isdbg('routech');
-
- my $dxchan = DXChannel::get($self->{call});
- push @dxchan, $dxchan if $dxchan;
-
- # it isn't, build up a list of dxchannels and possible ping times
- # for all the candidates.
- unless (@dxchan) {
- foreach my $p (@{$self->{parent}}) {
-# dbg("Trying parent $p") if isdbg('routech');
- next if $p eq $main::mycall; # the root
- my $dxchan = DXChannel::get($p);
- if ($dxchan) {
- push @dxchan, $dxchan unless grep $dxchan == $_, @dxchan;
- } else {
- next if grep $p eq $_, @_;
- my $ref = Route::Node::get($p);
-# dbg("Next node $p " . ($ref ? 'Found' : 'NOT Found') if isdbg('routech') );
- push @dxchan, $ref->alldxchan($self->{call}, @_) if $ref;
- }
- }
- }
-# dbg('routech', "Got dxchan: " . join(',', (map{ $_->call } @dxchan)) );
- return @dxchan;
+ my @dxchan = findroutes($self->{call});
+ return map {$_->[1]} @dxchan;
}
sub dxchan
my @dxchan = $self->alldxchan;
return undef unless @dxchan;
- # determine the minimum ping channel
- my $minping = 99999999;
- foreach my $dxc (@dxchan) {
- my $p = $dxc->pingave;
- if (defined $p && $p < $minping) {
- $minping = $p;
- $dxchan = $dxc;
- }
- }
- $dxchan = shift @dxchan unless $dxchan;
- return $dxchan;
+ # dxchannels are now returned in order of "closeness"
+ return $dxchan[0];
}
+sub delete_interface
+{
+}
#
# track destruction
projects / spider.git / blobdiff