#
# This module impliments the handlers for the protocal mode for a dx cluster
#
-# Copyright (c) 1998-2006 Dirk Koopman G1TLH
+# Copyright (c) 1998-2007 Dirk Koopman G1TLH
#
#
#
use Route;
use Route::Node;
use Script;
-use RouteDB;
-
use strict;
$investigation_int $pc19_version $myprot_version
%nodehops $baddx $badspotter $badnode $censorpc
$allowzero $decode_dk0wcy $send_opernam @checklist
- $eph_pc15_restime $pc9x_past_age $pc9x_future_age
+ $eph_pc15_restime $pc9x_past_age $pc9x_dupe_age
$pc10_dupe_age $pc92_slug_changes $last_pc92_slug
+ $pc92Ain $pc92Cin $pc92Din $pc92Kin $pc9x_time_tolerance
+ $pc92filterdef
);
-$pc9x_past_age = 62*60; # maximum age in the past of a px9x (a config record might be the only
- # thing a node might send - once an hour)
-$pc9x_future_age = 5*60; # maximum age in the future ditto
+$pc9x_dupe_age = 60; # catch loops of circular (usually) D records
$pc10_dupe_age = 45; # just something to catch duplicate PC10->PC93 conversions
-$pc92_slug_changes = 0; # slug any changes going outward for this long
+$pc92_slug_changes = 60; # slug any changes going outward for this long
$last_pc92_slug = 0; # the last time we sent out any delayed add or del PC92s
+$pc9x_time_tolerance = 15*60; # the time on a pc9x is allowed to be out by this amount
+$pc9x_past_age = (122*60)+ # maximum age in the past of a px9x (a config record might be the only
+ $pc9x_time_tolerance; # thing a node might send - once an hour and we allow an extra hour for luck)
+ # this is actually the partition between "yesterday" and "today" but old.
+
+$pc92filterdef = bless ([
+ # tag, sort, field, priv, special parser
+ ['call', 'c', 0],
+ ['by', 'c', 0],
+ ['dxcc', 'nc', 1],
+ ['itu', 'ni', 2],
+ ['zone', 'nz', 3],
+ ], 'Filter::Cmd');
+
# incoming talk commands
sub handle_10
}
}
- # remember a route to this node and also the node on which this user is
- RouteDB::update($_[6], $self->{call});
-# RouteDB::update($to, $_[6]);
-
# convert this to a PC93, coming from mycall with origin set and process it as such
$main::me->normal(pc93($to, $from, $via, $_[3], $_[6]));
}
}
}
+# my ($hops) = $_[8] =~ /^H(\d+)/;
+
# is the spotted callsign blank? This should really be trapped earlier but it
# could break other protocol sentences. Also check for lower case characters.
if ($_[2] =~ /^\s*$/) {
# convert the date to a unix date
my $d = cltounix($_[3], $_[4]);
# bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
- if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
+ if (!$d || (($pcno == 11 || $pcno == 61) && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
return;
}
# is it 'baddx'
- if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
+ if ($baddx->in($_[2]) || BadWords::check($_[2])) {
dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
return;
}
}
}
- # remember a route
-# RouteDB::update($_[7], $self->{call});
-# RouteDB::update($_[6], $_[7]);
-
- my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
+ my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7], $_[8]);
# global spot filtering on INPUT
if ($self->{inspotsfilter}) {
my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
#
# fix up qra locators of known users
- my $user = DXUser->get_current($spot[4]);
+ my $user = DXUser::get_current($spot[4]);
if ($user) {
my $qra = $user->qra;
unless ($qra && is_qra($qra)) {
}
# local processing
- my $r;
- eval {
- $r = Local::spot($self, @spot);
- };
- # dbg("Local::spot1 error $@") if isdbg('local') if $@;
- return if $r;
+ if (defined &Local::spot) {
+ my $r;
+ eval {
+ $r = Local::spot($self, @spot);
+ };
+ return if $r;
+ }
# DON'T be silly and send on PC26s!
return if $pcno == 26;
return;
}
+ # ignore PC12s from origins that use PCxx protocol
+ my $oref = Route::get($origin);
+ if ($oref->do_pc9x) {
+ dbg("PCPROT: PC12 rxed from PC9x node, ignored") if isdbg('chanerr');
+ return;
+ }
my $dxchan;
$self->send_chat(0, $line, @_[1..6]);
} elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
- # remember a route
-# RouteDB::update($_[5], $self->{call});
-# RouteDB::update($_[1], $_[5]);
-
# ignore something that looks like a chat line coming in with sysop
# flag - this is a kludge...
if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
} else {
$self->route($_[2], $line);
}
+
+ # local processing
+ if (defined &Local::ann) {
+ my $r;
+ eval {
+ $r = Local::ann($self, $line, @_[1..6]);
+ };
+ return if $r;
+ }
}
sub handle_15
my $h;
$h = 1 if DXChannel::get($ncall);
- RouteDB::update($ncall, $self->{call}, $h);
if ($h && $self->{call} ne $ncall) {
dbg("PCPROT: trying to update a local node, ignored") if isdbg('chanerr');
return;
# reject this if we think it is a node already
my $r = Route::Node::get($call);
- my $u = DXUser->get_current($call) unless $r;
+ my $u = DXUser::get_current($call) unless $r;
if ($r || ($u && $u->is_node)) {
dbg("PCPROT: $call is a node") if isdbg('chanerr');
next;
}
# add this station to the user database, if required
- my $user = DXUser->get_current($ncall);
+ my $user = DXUser::get_current($ncall);
$user = DXUser->new($call) unless $user;
$user->homenode($parent->call) if !$user->homenode;
$user->node($parent->call);
return;
}
- RouteDB::delete($ncall, $self->{call});
-
my $uref = Route::User::get($ucall);
unless ($uref) {
dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
$parent->del_user($uref);
# send info to all logged in thingies
- my $user = DXUser->get_current($ncall);
+ my $user = DXUser::get_current($ncall);
$self->tell_login('logoutu', "$ncall: $ucall") if $user && $user->is_local_node;
$self->tell_buddies('logoutb', $ucall, $ncall);
$self->sort('S');
}
# $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml/;
- if ($_[1] =~ /\bpc9x/) {
- if ($self->{isolate}) {
- dbg("pc9x recognised, but $self->{call} is isolated, using old protocol");
- } elsif (!$self->user->wantpc9x) {
- dbg("pc9x explicitly switched off on $self->{call}, using old protocol");
- } else {
- $self->{do_pc9x} = 1;
- dbg("Do px9x set on $self->{call}");
- }
- }
} else {
dbg("Unknown software");
$self->version(50.0);
$self->user->version($self->version);
}
+ if ($_[1] =~ /\bpc9x/) {
+ if ($self->{isolate}) {
+ dbg("pc9x recognised, but $self->{call} is isolated, using old protocol");
+ } elsif (!$self->user->wantpc9x) {
+ dbg("pc9x explicitly switched off on $self->{call}, using old protocol");
+ } else {
+ $self->{do_pc9x} = 1;
+ dbg("Do px9x set on $self->{call}");
+ }
+ }
+
# first clear out any nodes on this dxchannel
my @rout = $parent->del_nodes;
$self->route_pc21($origin, $line, @rout, $parent) if @rout;
my $call = shift;
# add this station to the user database, if required (don't remove SSID from nodes)
- my $user = DXUser->get_current($call);
+ my $user = DXUser::get_current($call);
if (!$user) {
$user = DXUser->new($call);
$user->priv(1); # I have relented and defaulted nodes
# next;
# }
- RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
unless ($h) {
if ($parent->via_pc92) {
# we don't need any isolation code here, because we will never
# act on a PC21 with self->call in it.
- RouteDB::delete($call, $self->{call});
-
my $parent = Route::Node::get($self->{call});
unless ($parent) {
dbg("PCPROT: my parent $self->{call} has disappeared");
# note this only takes the first one it gets
Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
- my $rep;
- eval {
- $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
- };
- # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
- return if $rep;
+ if (defined &Local::wwv) {
+ my $rep;
+ eval {
+ $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
+ };
+ return if $rep;
+ }
# DON'T be silly and send on PC27s!
return if $pcno == 27;
}
# add this station to the user database, if required
- my $user = DXUser->get_current($call);
+ my $user = DXUser::get_current($call);
$user = DXUser->new($call) unless $user;
if ($sort == 1) {
my $line = shift;
my $origin = shift;
- my $call = $_[1];
+ return if (eph_dup($line));
- RouteDB::update($call, $self->{call});
+ my $call = $_[1];
my $node = Route::Node::get($call);
if ($node) {
return unless $node->call eq $self->{call};
- $node->usercount($_[2]);
+ $node->usercount($_[2]) unless $node->users;
+ $node->reset_obs;
+ $node->PC92C_dxchan($self->call, $_[-1]);
# input filter if required
- return unless $self->in_filter_route($node);
+# return unless $self->in_filter_route($node);
- $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
+ unless ($self->{isolate}) {
+ DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
+ }
+# $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
}
}
DXXml::Ping::handle_ping_reply($self, $from);
}
} else {
-
- RouteDB::update($from, $self->{call});
-
if (eph_dup($line)) {
return;
}
}
}
+sub handle_61 { goto &handle_11; }
+
# dunno but route it
sub handle_75
{
my $wcy = WCY::update($d, @_[2..12]);
- my $rep;
- eval {
- $rep = Local::wcy($self, @_[1..12]);
- };
- # dbg("Local::wcy error $@") if isdbg('local') if $@;
- return if $rep;
+ if (defined &Local::wcy) {
+ my $rep;
+ eval {
+ $rep = Local::wcy($self, @_[1..12]);
+ };
+ return if $rep;
+ }
# broadcast to the eager world
send_wcy_spot($self, $line, $d, @_[2..12]);
my $icall = shift;
my @part = split /:/, $icall;
my ($flag, $call) = unpack "A A*", $part[0];
- return () unless defined $flag && $flag ge '0' && $flag le '7';
- return () unless $call && is_callsign($call);
+ unless (defined $flag && $flag ge '0' && $flag le '7') {
+ dbg("PCPROT: $icall no flag byte (0-7) at front of call, ignored") if isdbg('chanerr');
+ return ();
+ }
+ unless ($call && is_callsign($call)) {
+ dbg("PCPROT: $icall no recognisable callsign, ignored") if isdbg('chanerr');
+ return ();
+ }
my $is_node = $flag & 4;
my $is_extnode = $flag & 2;
my $here = $flag & 1;
- return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
+ my $ip = $part[3];
+ $ip ||= $part[1] if $part[1] && ($part[1] =~ /^(?:\d+\.)+/ || $part[1] =~ /^(?:(?:[abcdef\d]+)?,)+/);
+ $ip =~ s/,/:/g if $ip;
+ return ($call, $is_node, $is_extnode, $here, $part[1], $part[2], $ip);
}
# decode a pc92 call: flag call : version : build
# plain call or value
return $ref unless ref $ref;
- my $ext = shift;
+ my $ext = shift || 0;
my $flag = 0;
my $call = $ref->call;
my $extra = '';
$flag |= 4;
my $dxchan = DXChannel::get($call);
$flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc9x};
- if ($ext) {
- if ($ref->version) {
- my $version = $ref->version || 1.0;
- $version = $version * 100 + 5300 if $version < 50;
- $extra .= ":" . $version;
- }
+ if (($ext & 1) && $ref->version) {
+ my $version = $ref->version || 1.0;
+ $version = $version * 100 + 5300 if $version < 50;
+ $extra .= ":" . $version;
}
}
+ if (($ext & 2) && $ref->ip) {
+ my $ip = $ref->ip;
+ $ip =~ s/:/,/g;
+ $extra .= ':' . $ip;
+ }
return "$flag$call$extra";
}
{
my $parent = shift;
my $s = shift;
- my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
+ my $dxchan = shift;
+ my $hops = shift;
+
+ my ($call, $is_node, $is_extnode, $here, $version, $build, $ip) = @$s;
my @rout;
if ($call) {
+ my $ncall = $parent->call;
if ($is_node) {
- dbg("ROUTE: added node $call to " . $parent->call) if isdbg('routelow');
- @rout = $parent->add($call, $version, Route::here($here));
+ dbg("ROUTE: added node $call to $ncall") if isdbg('routelow');
+ @rout = $parent->add($call, $version, Route::here($here), $ip);
+ my $r = Route::Node::get($call);
+ $r->PC92C_dxchan($dxchan->call, $hops) if $r;
+ if ($ip) {
+ $r->ip($ip);
+ Log('DXProt', "PC92A $call -> $ip on $ncall");
+ }
} else {
- dbg("ROUTE: added user $call to " . $parent->call) if isdbg('routelow');
- @rout = $parent->add_user($call, Route::here($here));
+ dbg("ROUTE: added user $call to $ncall") if isdbg('routelow');
+ @rout = $parent->add_user($call, Route::here($here), $ip);
+ $dxchan->tell_buddies('loginb', $call, $ncall) if $dxchan;
+ my $r = Route::User::get($call);
+ if ($ip) {
+ $r->ip($ip);
+ Log('DXProt', "PC92A $call -> $ip on $ncall");
+ }
}
if ($pc92_slug_changes && $parent == $main::routeroot) {
$things_add{$call} = Route::get($call);
{
my $parent = shift;
my $s = shift;
+ my $dxchan = shift;
my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
my @rout;
if ($call) {
dbg("ROUTE: deleting node $call from " . $parent->call) if isdbg('routelow');
@rout = $ref->del($parent) if $ref;
} else {
- $ref = Route::User::get($call);
dbg("ROUTE: deleting user $call from " . $parent->call) if isdbg('routelow');
- @rout = $parent->del_user($ref) if $ref;
+ $ref = Route::User::get($call);
+ if ($ref) {
+ $dxchan->tell_buddies('logoutb', $call, $parent->call) if $dxchan;
+ @rout = $parent->del_user($ref);
+ }
}
if ($pc92_slug_changes && $parent == $main::routeroot) {
$things_del{$call} = $ref unless exists $things_add{$call};
my $_last_time;
my $_last_occurs;
+my $_last_pc9x_id;
+
+sub last_pc9x_id
+{
+ return $_last_pc9x_id;
+}
sub gen_pc9x_t
{
if (!$_last_time || $_last_time != $main::systime) {
$_last_time = $main::systime;
$_last_occurs = 0;
- return $_last_time - $main::systime_daystart;
+ return $_last_pc9x_id = $_last_time - $main::systime_daystart;
} else {
$_last_occurs++;
- return sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs;
+ return $_last_pc9x_id = sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs;
}
}
my $pc = shift;
my $create = shift;
+ # check that the time is between 0 >= $t < 86400
+ unless ($t >= 0 && $t < 86400) {
+ dbg("PCPROT: time invalid t: $t, ignored") if isdbg('chanerr');
+ return undef;
+ }
+
+ # check that the time of this pc9x is within tolerance (default 15 mins either way)
+ my $now = $main::systime - $main::systime_daystart ;
+ my $diff = abs($now - $t);
+ unless ($diff < $pc9x_time_tolerance || 86400 - $diff < $pc9x_time_tolerance) {
+ my $c = ref $call ? $call->call : $call;
+ dbg("PC9XERR: $c time out of range t: $t now: $now diff: $diff > $pc9x_time_tolerance, ignored") if isdbg('chan');
+ return undef;
+ }
+
my $parent = ref $call ? $call : Route::Node::get($call);
if ($parent) {
# we only do this for external calls whose routing table
# the id on it is completely unreliable. Besides, only commands
# originating on this box will go through this code...
if ($parent->call ne $main::mycall) {
- my $lastid = $parent->lastid || 0;
- if ($t < $lastid) {
- if ($t+86400-$lastid > $pc9x_past_age) {
- dbg("PCPROT: dup id on $t <= $lastid, ignored") if isdbg('chanerr');
- return;
- }
- } elsif ($t == $lastid) {
- dbg("PCPROT: dup id on $t == $lastid, ignored") if isdbg('chanerr');
- return;
- } else {
- # $t > $lastid, check that the timestamp offered isn't too far away from 'now'
- if ($t+$main::systime_daystart-$main::systime > $pc9x_future_age ) {
- dbg("PCPROT: id $t too far in the future, ignored") if isdbg('chanerr');
- return;
+ my $lastid = $parent->lastid;
+ if (defined $lastid) {
+ if ($t < $lastid) {
+ # note that this is where we determine whether this pc9x has come in yesterday
+ # but is still greater (modulo 86400) than the lastid or is simply an old
+ # duplicate sentence. To determine this we need to do some module 86400
+ # arithmetic. High numbers mean that this is an old duplicate sentence,
+ # low numbers that it is a new sentence.
+ #
+ # Typically you will see yesterday being taken on $t = 84, $lastid = 86235
+ # and old dupes with $t = 234, $lastid = 256 (which give answers 249 and
+ # 86378 respectively in the calculation below).
+ #
+ if ($t+86400-$lastid > $pc9x_past_age) {
+ dbg("PCPROT: dup id on $t <= lastid $lastid, ignored") if isdbg('chanerr') || isdbg('pc92dedupe');
+ return undef;
+ }
+ } elsif ($t == $lastid) {
+ dbg("PCPROT: dup id on $t == lastid $lastid, ignored") if isdbg('chanerr') || isdbg('pc92dedupe');
+ return undef;
+ } else {
+ # check that if we have a low number in lastid that yesterday's numbers
+ # (likely in the 85000+ area) don't override them, thus causing flip flopping
+ if ($lastid+86400-$t < $pc9x_past_age) {
+ dbg("PCPROT: dup id on $t in yesterday, lastid $lastid, ignored") if isdbg('chanerr') || isdbg('pc92dedupe');
+ return undef;
+ }
}
}
}
} elsif ($create) {
$parent = Route::Node->new($call);
+ } else {
+ dbg("PCPROT: $call does not exist, ignored") if isdbg('pc92dedupe');
+ return undef;
+ }
+ if (isdbg('pc92dedupe')) {
+ my $exists = exists $parent->{lastid}; # naughty, naughty :-)
+ my $val = $parent->{lastid};
+ my $s = $exists ? (defined $val ? $val : 'exists/undef') : 'undef';
+ dbg("PCPROT: $call pc92 id lastid $s -> $t");
}
- $parent->lastid($t) if $parent;
+ $parent->lastid($t);
return $parent;
}
+sub pc92_handle_first_slot
+{
+ my $self = shift;
+ my $slot = shift;
+ my $parent = shift;
+ my $t = shift;
+ my $hops = shift;
+ my $oparent = $parent;
+
+ my @radd;
+
+ my ($call, $is_node, $is_extnode, $here, $version, $build) = @$slot;
+ if ($call && $is_node) {
+ if ($call eq $main::mycall) {
+ dbg("PCPROT: $call looped back onto $main::mycall, ignored") if isdbg('chanerr');
+ return;
+ }
+ # this is only accepted from my "self".
+ # this also kills configs from PC92 nodes with external PC19 nodes that are also
+ # locally connected. Local nodes always take precedence. But we remember the lastid
+ # to try to reduce the number of dupe PC92s for this external node.
+ if (DXChannel::get($call) && $call ne $self->{call}) {
+ $parent = check_pc9x_t($call, $t, 92); # this will update the lastid time
+ dbg("PCPROT: locally connected node $call from other another node $self->{call}, ignored") if isdbg('chanerr');
+ return;
+ }
+ if ($is_extnode) {
+ # reparent to external node (note that we must have received a 'C' or 'A' record
+ # from the true parent node for this external before we get one for the this node
+ unless ($parent = Route::Node::get($call)) {
+ if ($is_extnode && $oparent) {
+ @radd = _add_thingy($oparent, $slot, $self, $hops);
+ $parent = $radd[0];
+ } else {
+ dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
+ return;
+ }
+ }
+ $parent = check_pc9x_t($call, $t, 92) || return;
+ $parent->via_pc92(1);
+ $parent->PC92C_dxchan($self->{call}, $hops);
+ }
+ } else {
+ dbg("PCPROT: must be \$mycall or external node as first entry, ignored") if isdbg('chanerr');
+ return;
+ }
+ $parent->here(Route::here($here));
+ $parent->version($version || $pc19_version) if $version;
+ $parent->build($build) if $build;
+ $parent->PC92C_dxchan($self->{call}, $hops) unless $self->{call} eq $parent->call;
+ return ($parent, @radd);
+}
+
# DXSpider routing entries
sub handle_92
{
my (@radd, @rdel);
my $pcall = $_[1];
- unless ($pcall) {
- dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
- return;
- }
my $t = $_[2];
my $sort = $_[3];
+ my $hops = $_[-1];
+
+ # this catches loops of A/Ds
+# if (eph_dup($line, $pc9x_dupe_age)) {
+# return;
+# }
if ($pcall eq $main::mycall) {
dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
return;
}
- my $parent = check_pc9x_t($pcall, $t, 92, 1) || return;
+ # don't create routing entries for D records that don't already exist
+ # this is what causes all those PC92 loops!
+ my $parent = check_pc9x_t($pcall, $t, 92, $sort ne 'D') || return;
my $oparent = $parent;
$parent->do_pc9x(1);
}
return;
}
+
+ } elsif ($sort eq 'K') {
+ $pc92Kin += length $line;
+
+ # remember the last channel we arrived on
+ $parent->PC92C_dxchan($self->{call}, $hops) unless $self->{call} eq $parent->call;
+
+ my @ent = _decode_pc92_call($_[4]);
+
+ if (@ent) {
+ my $add;
+
+ ($parent, $add) = $self->pc92_handle_first_slot(\@ent, $parent, $t, $hops);
+ return unless $parent; # dupe
+
+ push @radd, $add if $add;
+ $parent->reset_obs;
+ $parent->version($ent[4]) if $ent[4];
+ $parent->build($ent[5]) if $ent[5];
+
+ dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
+ }
} elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') {
+ $pc92Ain += length $line if $sort eq 'A';
+ $pc92Cin += length $line if $sort eq 'C';
+ $pc92Din += length $line if $sort eq 'D';
+
# remember the last channel we arrived on
- $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
+ $parent->PC92C_dxchan($self->{call}, $hops) unless $self->{call} eq $parent->call;
# this is the main route section
# here is where all the routes are created and destroyed
- my @ent = map {[ _decode_pc92_call($_) ]} grep {$_ && /^[0-7]/} @_[4 .. $#_];
+ # cope with missing duplicate node calls in the first slot
+ my $me = $_[4] || '';
+ $me ||= _encode_pc92_call($parent) unless $me ;
+
+ my @ent = map {my @a = _decode_pc92_call($_); @a ? \@a : ()} grep {$_ && /^[0-7]/} $me, @_[5 .. $#_];
if (@ent) {
# except in the case of 'A' or 'D' in which the $pcall is used
# otherwise use the node call and update any information
# that needs to be done.
- my ($call, $is_node, $is_extnode, $here, $version, $build) = @{$ent[0]};
- if (($sort eq 'A' || $sort eq 'D') && !$is_node) {
- # parent is already set correctly
- # this is to allow shortcuts for A and D records
- # not repeating the origin call to no real purpose
- ;
- } else {
- if ($call && $is_node) {
- if ($call eq $main::mycall) {
- dbg("PCPROT: $call looped back onto $main::mycall, ignored") if isdbg('chanerr');
- return;
- }
- # this is only accepted from my "self".
- # this also kills configs from PC92 nodes with external PC19 nodes that are also
- # locally connected. Local nodes always take precedence.
- if (DXChannel::get($call) && $call ne $self->{call}) {
- dbg("PCPROT: locally connected node $call from other another node $self->{call}, ignored") if isdbg('chanerr');
- return;
- }
- if ($is_extnode) {
- # reparent to external node (note that we must have received a 'C' or 'A' record
- # from the true parent node for this external before we get one for the this node
- unless ($parent = Route::Node::get($call)) {
- if ($is_extnode && $oparent) {
- @radd = _add_thingy($oparent, $ent[0]);
- $parent = $radd[0];
- } else {
- dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
- return;
- }
- }
- $parent = check_pc9x_t($call, $t, 92) || return;
- $parent->via_pc92(1);
- $parent->PC92C_dxchan($self->{call});
- }
- } else {
- dbg("PCPROT: must be mycall or external node as first entry, ignored") if isdbg('chanerr');
- return;
- }
- $parent->here(Route::here($here));
- $parent->version($version) if $version && $version > $parent->version;
- $parent->build($build) if $build && $build > $parent->build;
- $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
- shift @ent;
- }
+ my $add;
+
+ ($parent, $add) = $self->pc92_handle_first_slot($ent[0], $parent, $t, $hops);
+ return unless $parent; # dupe
+
+ shift @ent;
+ push @radd, $add if $add;
}
- # do a pass through removing any references to either locally connected nodes or mycall
+ # do a pass through removing any references to either mycall
my @nent;
for (@ent) {
- next unless $_;
- if ($_->[0] eq $main::mycall || DXChannel::get($_->[0])) {
- dbg("PCPROT: $_->[0] refers to locally connected node, ignored") if isdbg('chanerr');
+ my $dxc;
+ next unless $_ && @$_;
+ if ($_->[0] eq $main::mycall) {
+ dbg("PCPROT: $_->[0] refers to me, ignored") if isdbg('chanerr');
next;
}
push @nent, $_;
if ($sort eq 'A') {
for (@nent) {
- push @radd, _add_thingy($parent, $_);
+ push @radd, _add_thingy($parent, $_, $self, $hops);
}
} elsif ($sort eq 'D') {
for (@nent) {
- push @rdel, _del_thingy($parent, $_);
+ push @rdel, _del_thingy($parent, $_, $self);
}
} elsif ($sort eq 'C') {
my (@nodes, @users);
- # we only reset obscounts on config records
- $oparent->reset_obs;
- dbg("ROUTE: reset obscount on $pcall now " . $oparent->obscount) if isdbg('obscount');
- if ($oparent != $parent) {
- $parent->reset_obs;
- dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
- }
+ # we reset obscounts on config records as well as K records
+ $parent->reset_obs;
+ dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
#
foreach my $r (@nent) {
foreach my $r (@nent) {
my $call = $r->[0];
if ($call) {
- push @radd,_add_thingy($parent, $r) if grep $call eq $_, (@$nnodes, @$nusers);
+ push @radd,_add_thingy($parent, $r, $self, $hops) if grep $call eq $_, (@$nnodes, @$nusers);
}
}
# del users here
foreach my $r (@$dnodes) {
- push @rdel,_del_thingy($parent, [$r, 1]);
+ push @rdel,_del_thingy($parent, [$r, 1], $self);
}
foreach my $r (@$dusers) {
- push @rdel,_del_thingy($parent, [$r, 0]);
+ push @rdel,_del_thingy($parent, [$r, 0], $self);
}
# remember this last PC92C for rebroadcast on demand
$self->broadcast_route_pc9x($pcall, undef, $line, 0);
}
+# get all the routes for a thing, bearing in mind that the thing (e.g. a user)
+# might be on two or more nodes at the same time or that there may be more than
+# one equal distance neighbour to a node.
+#
+# What this means that if sh/route g1tlh shows that he is on (say) two nodes, then
+# a Route::findroutes is done on each of those two nodes, the best route(s) taken from
+# each and then combined to give a set of dxchans to send the PC9x record down
+#
+sub find_pc9x_routes
+{
+ my $to = shift;
+ my $ref = Route::get($to);
+ my @parent;
+ my %cand;
+
+ if ($ref->isa('Route::User')) {
+ my $dxchan = DXChannel::get($to);
+ push @parent, $to if $dxchan;
+ push @parent, $ref->parents;
+ } else {
+ @parent = $to;
+ }
+ foreach my $p (@parent) {
+ my $lasthops;
+ my @routes = Route::findroutes($p);
+ foreach my $r (@routes) {
+ $lasthops = $r->[0] unless defined $lasthops;
+ if ($r->[0] == $lasthops) {
+ $cand{$r->[1]->call} = $r->[1];
+ } else {
+ last;
+ }
+ }
+ }
+ return values %cand;
+}
sub handle_93
{
# $self->{do_pc9x} ||= 1;
- my $pcall = $_[1];
- unless (is_callsign($pcall)) {
- dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
- return;
- }
+ my $pcall = $_[1]; # this is now checked earlier
# remember that we are converting PC10->PC93 and self will be $main::me if it
# comes from us
return;
}
+ # ignore PC93 coming in from outside this node with a target of local
+ if ($to eq 'LOCAL' && $self != $main::me) {
+ dbg("PCPROT: incoming LOCAL chat not from local node, ignored") if isdbg('chanerr');
+ return;
+ }
+
# if it is routeable then then treat it like a talk
my $ref = Route::get($to);
if ($ref) {
- # local talks
my $dxchan;
- $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
- $dxchan = DXChannel::get($to) unless $dxchan;
- # check it...
- if ($dxchan) {
+
+ # convert to PC10 or local talks where appropriate
+ # PC93 capable nodes of the same hop count all get a copy
+ # if there is a PC10 node then it will get a copy and that
+ # will be it. Hopefully such a node will not figure highly
+ # in the route list, unless it is local, 'cos it don't issue PC92s!
+ # note that both local and PC93s at the same time are possible if the
+ # user on more than one node.
+ my @routes = find_pc9x_routes($to);
+ my $lasthops;
+ foreach $dxchan (@routes) {
if (ref $dxchan && $dxchan->isa('DXChannel')) {
- if ($dxchan->is_user) {
+ if ($dxchan->{do_pc9x}) {
+ $dxchan->send($line);
+ } else {
$dxchan->talk($from, $to, $via, $text, $onode);
- return;
}
} else {
- dbg("ERROR: $to -> $dxchan is not a DXChannel! (local talk)");
+ dbg("ERROR: $to -> $dxchan is not a DXChannel! (convert to pc10)");
}
}
-
- # convert to PC10 talks where appropriate
- # just go for the "best" one for now (rather than broadcast)
- $dxchan = $ref->dxchan;
-
- # check it...
- if (ref $dxchan && $dxchan->isa('DXChannel')) {
- if ($dxchan->{do_pc9x}) {
- $dxchan->send($line);
- } else {
- $dxchan->talk($from, $to, $via, $text, $onode);
- }
- } else {
- dbg("ERROR: $to -> $dxchan is not a DXChannel! (convert to pc10)");
- }
return;
} elsif ($to eq '*' || $to eq 'SYSOP' || $to eq 'WX') {
# chat messages to non-pc9x nodes
$self->send_chat(1, pc12($from, $text, undef, $to, undef, $pcall), $from, '*', $text, $to, $pcall, '0');
}
- $self->broadcast_route_pc9x($pcall, undef, $line, 0);
+
+ # broadcast this chat sentence everywhere unless it is targetted to 'LOCAL'
+ $self->broadcast_route_pc9x($pcall, undef, $line, 0) unless $to eq 'LOCAL' || $via eq 'LOCAL';
}
# if get here then rebroadcast the thing with its Hop count decremented (if