#
# Copyright (c) 2001 Dirk Koopman G1TLH
#
-# $Id$
-#
+#
+#
package Route::Node;
use DXDebug;
use Route;
use Route::User;
+use DXUtil;
+use DXJSON;
+use Time::HiRes qw(gettimeofday);
use strict;
-use vars qw($VERSION $BRANCH);
-$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;
-
-use vars qw(%list %valid @ISA $max $filterdef);
+use vars qw(%list %valid @ISA $max $filterdef $obscount);
@ISA = qw(Route);
%valid = (
- parent => '0,Parent Calls,parray',
+ K => '9,Seen on PC92K,yesno',
+ PC92C_dxchan => '9,PC92C hops,phash',
+ build => '0,Build',
+ do_pc9x => '0,Uses pc9x,yesno',
+ handle_xml => '0,Using XML,yesno',
+ last_PC92C => '9,Last PC92C',
+ lastid => '0,Last Route MsgID',
+ lastmsg => '0,Last Route Msg,atime',
nodes => '0,Nodes,parray',
- users => '0,Users,parray',
+ obscount => '0,Obscount',
usercount => '0,User Count',
+ users => '0,Users,parray',
version => '0,Version',
- handle_xml => '0,Using XML,yesno',
- lastmsg => '0,Last Route Msg,atime',
- lastid => '0,Last Route MsgID',
+ via_pc92 => '0,In via pc92?,yesno',
);
$filterdef = $Route::filterdef;
%list = ();
$max = 0;
+$obscount = 3;
+our $cachefn = localdata('route_node_cache');
sub count
{
# object with that callsign. The upper layers are expected to do something
# sensible with this!
#
-# called as $parent->add(call, dxchan, version, flags)
+# called as $parent->add(call, dxchan, version, flags)
#
sub add
}
$self = $parent->new($call, @_);
$parent->_addnode($self);
+ dbg("CLUSTER: node $call added") if isdbg('cluster');
return $self;
}
$self->_delparent($pref);
my @nodes;
my $ncall = $self->{call};
-
+
# is this the last connection, I have no parents anymore?
unless (@{$self->{parent}}) {
foreach my $rcall (@{$self->{nodes}}) {
push @nodes, $r->del($self, $ncall, @_) if $r;
}
$self->_del_users;
- delete $list{$self->{call}};
+ delete $list{$ncall};
push @nodes, $self;
+ dbg("CLUSTER: node $ncall deleted") if isdbg('cluster');
}
return @nodes;
}
+# this deletes this node completely by grabbing the parents
+# and deleting me from them, then deleting me from all the
+# dependent nodes.
+sub delete
+{
+ my $self = shift;
+ my @out;
+ my $ncall = $self->{call};
+
+ # get rid of users and parents
+ $self->_del_users;
+ if (@{$self->{parent}}) {
+ foreach my $call (@{$self->{parent}}) {
+ my $parent = Route::Node::get($call);
+ push @out, $parent->del($self) if $parent;
+ }
+ }
+ # get rid of my nodes
+ push @out, $self->del_nodes;
+ # this only happens if we a orphan with no parents
+ if ($list{$ncall}) {
+ push @out, $self;
+ delete $list{$ncall};
+ }
+ return @out;
+}
+
sub del_nodes
{
my $parent = shift;
{
my $self = shift;
my $ucall = shift;
+ my $here = shift;
+ my $ip = shift;
confess "Trying to add NULL User call to routing tables" unless $ucall;
if ($uref) {
@out = $uref->addparent($self);
} else {
- $uref = Route::User->new($ucall, $self->{call}, @_);
+ $uref = Route::User->new($ucall, $self->{call}, $here, $ip);
@out = $uref;
}
$self->_adduser($uref);
my $self = shift;
my $ref = shift;
my @out;
-
+
if ($ref) {
@out = $self->_deluser($ref);
$ref->del($self);
return @out;
}
+# is a user on this node
+sub is_user
+{
+ my $self = shift;
+ my $call = shift;
+ return scalar grep {$_ eq $call} @{$self->{users}};
+}
+
sub usercount
{
my $self = shift;
return @{$self->{nodes}};
}
-sub parents
-{
- my $self = shift;
- return @{$self->{parent}};
-}
-
sub rnodes
{
my $self = shift;
return @out;
}
+# this takes in a list of node and user calls (not references) from
+# a config type update for a node and returns
+# the differences as lists of things that have gone away
+# and things that have been added.
+sub calc_config_changes
+{
+ my $self = shift;
+ my %nodes = map {$_ => 1} @{$self->{nodes}};
+ my %users = map {$_ => 1} @{$self->{users}};
+ my $cnodes = shift;
+ my $cusers = shift;
+ if (isdbg('route')) {
+ dbg("ROUTE: start calc_config_changes");
+ dbg("ROUTE: incoming nodes on $self->{call}: " . join(',', sort @$cnodes));
+ dbg("ROUTE: incoming users on $self->{call}: " . join(',', sort @$cusers));
+ dbg("ROUTE: existing nodes on $self->{call}: " . join(',', sort keys %nodes));
+ dbg("ROUTE: existing users on $self->{call}: " . join(',', sort keys %users));
+ }
+ my (@dnodes, @dusers, @nnodes, @nusers);
+ push @nnodes, map {my @r = $nodes{$_} ? () : $_; delete $nodes{$_}; @r} @$cnodes;
+ push @dnodes, keys %nodes;
+ push @nusers, map {my @r = $users{$_} ? () : $_; delete $users{$_}; @r} @$cusers;
+ push @dusers, keys %users;
+ if (isdbg('route')) {
+ dbg("ROUTE: deleted nodes on $self->{call}: " . join(',', sort @dnodes));
+ dbg("ROUTE: deleted users on $self->{call}: " . join(',', sort @dusers));
+ dbg("ROUTE: added nodes on $self->{call}: " . join(',', sort @nnodes));
+ dbg("ROUTE: added users on $self->{call}: " . join(',', sort @nusers));
+ dbg("ROUTE: end calc_config_changes");
+ }
+ return (\@dnodes, \@dusers, \@nnodes, \@nusers);
+}
+
sub new
{
my $pkg = shift;
my $call = uc shift;
-
+
confess "already have $call in $pkg" if $list{$call};
-
+
my $self = $pkg->SUPER::new($call);
$self->{parent} = ref $pkg ? [ $pkg->{call} ] : [ ];
- $self->{version} = shift;
- $self->{flags} = shift;
+ $self->{version} = shift || 5401;
+ $self->{flags} = shift || Route::here(1);
$self->{users} = [];
$self->{nodes} = [];
- $self->{lastid} = {};
-
+ $self->{PC92C_dxchan} = {};
+ my $ip = shift;
+ $self->{ip} = $ip if defined $ip;
+ $self->reset_obs; # by definition
+
$list{$call} = $self;
-
+
return $self;
}
my $call = shift;
$call = shift if ref $call;
my $ref = $list{uc $call};
- dbg("Failed to get Node $call" ) if !$ref && isdbg('routerr');
+ dbg("ROUTE: Failed to get Node $call" ) if !$ref && isdbg('routerr');
return $ref;
}
return $self->_dellist('users', @_);
}
+sub dec_obs
+{
+ my $self = shift;
+ $self->{obscount}--;
+ return $self->{obscount};
+}
+
+sub reset_obs
+{
+ my $self = shift;
+ $self->{obscount} = $obscount;
+}
+
+sub measure_pc9x_t
+{
+ my $parent = shift;
+ my $t = shift;
+ my $lastid = $parent->{lastid};
+ if ($lastid) {
+ return ($t < $lastid) ? $t+86400-$lastid : $t - $lastid;
+ } else {
+ return 86400;
+ }
+}
+
+sub PC92C_dxchan
+{
+ my $parent = shift;
+ my $call = shift;
+ my $hops = shift;
+ if ($call && $hops) {
+ $hops =~ s/^H//;
+ $parent->{PC92C_dxchan}->{$call} = $hops;
+ return;
+ }
+ return (%{$parent->{PC92C_dxchan}});
+}
+
+sub TO_JSON { return { %{ shift() } }; }
+
+sub write_cache
+{
+ my $json = DXJSON->new;
+ $json->canonical(isdbg('routecache'));
+
+ my $ta = [ gettimeofday ];
+ my @s;
+ eval {
+ while (my ($k, $v) = each %list) {
+ push @s, "$k:" . $json->encode($v) . "\n";
+ }
+ };
+ if (!$@ && @s) {
+ my $fh = IO::File->new(">$cachefn") or confess("writing $cachefn $!");
+ if (isdbg("routecache")) {
+ $fh->print(sort @s);
+ }
+ else {
+ $fh->print(@s);
+ }
+ $fh->close;
+ } else {
+ dbg("Route::Node:Write_cache error '$@'");
+ return;
+ }
+ $json->indent(0)->canonical(0);
+ my $diff = _diffms($ta);
+ dbg("Route::Node:WRITE_CACHE time to write: $diff mS");
+}
+
+
sub DESTROY
{
my $self = shift;
my $pkg = ref $self;
my $call = $self->{call} || "Unknown";
-
- dbg("destroying $pkg with $call") if isdbg('routelow');
+
+ dbg("ROUTE: destroying $pkg with $call") if isdbg('routelow');
}
#
my $name = $AUTOLOAD;
return if $name =~ /::DESTROY$/;
$name =~ s/^.*:://o;
-
+
confess "Non-existant field '$AUTOLOAD'" unless $valid{$name} || $Route::valid{$name};
# this clever line of code creates a subroutine which takes over from autoload