- my $origin = shift;
-
- my $i;
- my $newline = "PC19^";
-
- if (eph_dup($line)) {
- dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
- return;
- }
-
- # new routing list
- my @rout;
-
- # first get the INTERFACE node
- my $parent = Route::Node::get($self->{call});
- unless ($parent) {
- dbg("DXPROT: my parent $self->{call} has disappeared");
- $self->disconnect;
- return;
- }
-
- # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
- if ($origin ne $self->call) {
- my $op = Route::Node::get($origin);
- unless ($op) {
- $op = $parent->add($origin, 5000, Route::here(1));
- my $user = DXUser->get_current($origin);
- if (!$user) {
- $user = DXUser->new($origin);
- $user->sort('S');
- $user->priv(1); # I have relented and defaulted nodes
- $user->lockout(1);
- $user->homenode($origin);
- $user->node($origin);
- $user->wantroutepc19(1);
- }
- $user->put;
- }
- $parent = $op;
- }
-
- # parse the PC19
- for ($i = 1; $i < $#_-1; $i += 4) {
- my $here = $_[$i];
- my $call = uc $_[$i+1];
- my $conf = $_[$i+2];
- my $ver = $_[$i+3];
- next unless defined $here && defined $conf && is_callsign($call);
-
- eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
-
- # check for sane parameters
- # $ver = 5000 if $ver eq '0000';
- next if $ver < 5000; # only works with version 5 software
- next if length $call < 3; # min 3 letter callsigns
- next if $call eq $main::mycall;
-
- # check that this PC19 isn't trying to alter the wrong dxchan
- my $dxchan = DXChannel->get($call);
- if ($dxchan && $dxchan != $self) {
- dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
- next;
- }
-
- # add this station to the user database, if required (don't remove SSID from nodes)
- my $user = DXUser->get_current($call);
- if (!$user) {
- $user = DXUser->new($call);
- $user->sort('A');
- $user->priv(1); # I have relented and defaulted nodes
- $user->lockout(1);
- $user->homenode($call);
- $user->node($call);
- }
-
- my $r = Route::Node::get($call);
- my $flags = Route::here($here)|Route::conf($conf);
-
- # modify the routing table if it is in it, otherwise store it in the pc19list for now
- if ($r) {
- my $ar;
- if ($call ne $parent->call) {
- if ($self->in_filter_route($r)) {
- $ar = $parent->add($call, $ver, $flags);
- push @rout, $ar if $ar;
- } else {
- next;
- }
- }
- if ($r->version ne $ver || $r->flags != $flags) {
- $r->version($ver);
- $r->flags($flags);
- push @rout, $r unless $ar;
- }
- } else {
-
- # if he is directly connected or allowed then add him, otherwise store him up for later
- if ($call eq $self->{call} || $user->wantroutepc19) {
- my $new = Route->new($call); # throw away
- if ($self->in_filter_route($new)) {
- my $ar = $parent->add($call, $ver, $flags);
- $user->wantroutepc19(1) unless defined $user->wantroutepc19;
- push @rout, $ar if $ar;
- } else {
- next;
- }
- } else {
- $pc19list{$call} = [] unless exists $pc19list{$call};
- my $nl = $pc19list{$call};
- push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
- }
- }
-
- # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
- my $mref = DXMsg::get_busy($call);
- $mref->stop_msg($call) if $mref;
-
- $user->lastin($main::systime) unless DXChannel->get($call);
- $user->put;
- }
-
-
- $self->route_pc19($origin, $line, @rout) if @rout;
-}
-
-# send local configuration
-sub handle_20
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- $self->send_local_config();
- $self->send(pc22());
- $self->state('normal');
- $self->{lastping} = 0;
-}
-
-# delete a cluster from the list
-sub handle_21
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- my $call = uc $_[1];
-
- eph_del_regex("^PC1[679].*$call");
-
- # if I get a PC21 from the same callsign as self then treat it
- # as a PC39: I have gone away
- if ($call eq $self->call) {
- $self->disconnect(1);
- return;
- }
-
- # check to see if we are in the pc19list, if we are then don't bother with any of
- # this routing table manipulation, just remove it from the list and dump it
- my @rout;
- if (my $nl = $pc19list{$call}) {
- $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
- delete $pc19list{$call} unless @{$pc19list{$call}};
- } else {
-
- my $parent = Route::Node::get($self->{call});
- unless ($parent) {
- dbg("DXPROT: my parent $self->{call} has disappeared");
- $self->disconnect;
- return;
- }
- if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
- my $node = Route::Node::get($call);
- if ($node) {
-
- my $dxchan = DXChannel->get($call);
- if ($dxchan && $dxchan != $self) {
- dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
- return;
- }
-
- # input filter it
- return unless $self->in_filter_route($node);
-
- # routing objects
- push @rout, $node->del($parent);
- }
- } else {
- dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
- return;
- }
- }
-
- $self->route_pc21($origin, $line, @rout) if @rout;
-}
-
-
-sub handle_22
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- $self->state('normal');
- $self->{lastping} = 0;
-}
-
-# WWV info
-sub handle_23
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
-
- # route foreign' pc27s
- if ($pcno == 27) {
- if ($_[8] ne $main::mycall) {
- $self->route($_[8], $line);
- return;
- }
- }
-
- return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7]);
-
- # do some de-duping
- my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
- my $sfi = unpad($_[3]);
- my $k = unpad($_[4]);
- my $i = unpad($_[5]);
- my ($r) = $_[6] =~ /R=(\d+)/;
- $r = 0 unless $r;
- if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
- dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
- return;
- }
- if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
- dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
- return;
- }
- $_[7] =~ s/-\d+$//o; # remove spotter's ssid
-
- my $wwv = Geomag::update($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;
-
- # DON'T be silly and send on PC27s!
- return if $pcno == 27;
-
- # broadcast to the eager world
- send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
-}
-
-# set here status
-sub handle_24
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- my $call = uc $_[1];
- my ($nref, $uref);
- $nref = Route::Node::get($call);
- $uref = Route::User::get($call);
- return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
-
- if (eph_dup($line)) {
- dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
- return;
- }
-
- $nref->here($_[2]) if $nref;
- $uref->here($_[2]) if $uref;
- my $ref = $nref || $uref;
- return unless $self->in_filter_route($ref);
-
- $self->route_pc24($origin, $line, $ref, $_[3]);
-}
-
-# merge request
-sub handle_25
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- if ($_[1] ne $main::mycall) {
- $self->route($_[1], $line);
- return;
- }
- if ($_[2] eq $main::mycall) {
- dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
- return;
- }
-
- Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
-
- # spots
- if ($_[3] > 0) {
- my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
- my $in;
- foreach $in (@in) {
- $self->send(pc26(@{$in}[0..4], $_[2]));
- }
- }
-
- # wwv
- if ($_[4] > 0) {
- my @in = reverse Geomag::search(0, $_[4], time, 1);
- my $in;
- foreach $in (@in) {
- $self->send(pc27(@{$in}[0..5], $_[2]));
- }
- }
-}
-
-sub handle_26 {goto &handle_11}
-sub handle_27 {goto &handle_23}
-
-# mail/file handling
-sub handle_28
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- if ($_[1] eq $main::mycall) {
- no strict 'refs';
- my $sub = "DXMsg::handle_$pcno";
- &$sub($self, @_);
- } else {
- $self->route($_[1], $line) unless $self->is_clx;
- }
-}
-
-sub handle_29 {goto &handle_28}
-sub handle_30 {goto &handle_28}
-sub handle_31 {goto &handle_28}
-sub handle_32 {goto &handle_28}
-sub handle_33 {goto &handle_28}
-
-sub handle_34
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- if (eph_dup($line, $eph_pc34_restime)) {
- dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
- } else {
- $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
- }
-}
-
-# remote command replies
-sub handle_35
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
- $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
-}
-
-sub handle_36 {goto &handle_34}
-
-# database stuff
-sub handle_37
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- if ($_[1] eq $main::mycall) {
- no strict 'refs';
- my $sub = "DXDb::handle_$pcno";
- &$sub($self, @_);
- } else {
- $self->route($_[1], $line) unless $self->is_clx;
- }
-}
-
-# node connected list from neighbour
-sub handle_38
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
-}
-
-# incoming disconnect
-sub handle_39
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- if ($_[1] eq $self->{call}) {
- $self->disconnect(1);
- } else {
- dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
- }
-}
-
-sub handle_40 {goto &handle_28}
-
-# user info
-sub handle_41
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- my $call = $_[1];
-
- my $l = $line;
- $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
- if (eph_dup($l, $eph_info_restime)) {
- dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
- return;
- }
-
- # input filter if required
- # my $ref = Route::get($call) || Route->new($call);
- # return unless $self->in_filter_route($ref);
-
- if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
- dbg('PCPROT: invalid value') if isdbg('chanerr');
- return;
- }
-
- # add this station to the user database, if required
- my $user = DXUser->get_current($call);
- $user = DXUser->new($call) unless $user;
-
- if ($_[2] == 1) {
- $user->name($_[3]);
- } elsif ($_[2] == 2) {
- $user->qth($_[3]);
- } elsif ($_[2] == 3) {
- if (is_latlong($_[3])) {
- my ($lat, $long) = DXBearing::stoll($_[3]);
- $user->lat($lat);
- $user->long($long);
- $user->qra(DXBearing::lltoqra($lat, $long));
- } else {
- dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
- return;
- }
- } elsif ($_[2] == 4) {
- $user->homenode($_[3]);
- } elsif ($_[2] == 5) {
- if (is_qra(uc $_[3])) {
- my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
- $user->lat($lat);
- $user->long($long);
- $user->qra(uc $_[3]);
- } else {
- dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
- return;
- }
- }
- $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
- $user->put;
-
- unless ($self->{isolate}) {
- DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
- }
-
- # perhaps this IS what we want after all
- # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
-}
-
-sub handle_42 {goto &handle_28}
-
-
-# database
-sub handle_44 {goto &handle_37}
-sub handle_45 {goto &handle_37}
-sub handle_46 {goto &handle_37}
-sub handle_47 {goto &handle_37}
-sub handle_48 {goto &handle_37}
-
-# message and database
-sub handle_49
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
-
- if (eph_dup($line)) {
- dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
- return;
- }
-
- if ($_[1] eq $main::mycall) {
- DXMsg::handle_49($self, @_);
- } else {
- $self->route($_[1], $line) unless $self->is_clx;
- }
-}
-
-# keep alive/user list
-sub handle_50
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
-
- my $call = $_[1];
- my $node = Route::Node::get($call);
- if ($node) {
- return unless $node->call eq $self->{call};
- $node->usercount($_[2]);
-
- # input filter if required
- return unless $self->in_filter_route($node);
-
- $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
- }
-}
-
-# incoming ping requests/answers
-sub handle_51
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- my $to = $_[1];
- my $from = $_[2];
- my $flag = $_[3];
-
-
- # is it for us?
- if ($to eq $main::mycall) {
- if ($flag == 1) {
- $self->send(pc51($from, $to, '0'));
- } else {
- # it's a reply, look in the ping list for this one
- my $ref = $pings{$from};
- if ($ref) {
- my $tochan = DXChannel->get($from);
- while (@$ref) {
- my $r = shift @$ref;
- my $dxchan = DXChannel->get($r->{call});
- next unless $dxchan;
- my $t = tv_interval($r->{t}, [ gettimeofday ]);
- if ($dxchan->is_user) {
- my $s = sprintf "%.2f", $t;
- my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
- $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
- } elsif ($dxchan->is_node) {
- if ($tochan) {
- my $nopings = $tochan->user->nopings || $obscount;
- push @{$tochan->{pingtime}}, $t;
- shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
-
- # cope with a missed ping, this means you must set the pingint large enough
- if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
- $t -= $tochan->{pingint};
- }
-
- # calc smoothed RTT a la TCP
- if (@{$tochan->{pingtime}} == 1) {
- $tochan->{pingave} = $t;
- } else {
- $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
- }
- $tochan->{nopings} = $nopings; # pump up the timer
- }
- }
- }
- }
- }
- } else {
- if (eph_dup($line)) {
- dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
- return;
- }
- # route down an appropriate thingy
- $self->route($to, $line);
- }
-}
-
-# dunno but route it
-sub handle_75
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- my $call = $_[1];
- if ($call ne $main::mycall) {
- $self->route($call, $line);
- }
-}
-
-# WCY broadcasts
-sub handle_73
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- my $call = $_[1];
-
- # do some de-duping
- my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
- if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
- dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
- return;
- }
- @_ = map { unpad($_) } @_;
- if (WCY::dup($d)) {
- dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
- return;
- }
-
- 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 $rep;
-
- # broadcast to the eager world
- send_wcy_spot($self, $line, $d, @_[2..12]);
-}
-
-# remote commands (incoming)
-sub handle_84
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
-}
-
-# remote command replies
-sub handle_85
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
-}
-
-# if get here then rebroadcast the thing with its Hop count decremented (if
-# there is one). If it has a hop count and it decrements to zero then don't
-# rebroadcast it.
-#
-# NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
-# REBROADCAST!!!!
-#
-
-sub handle_default
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
-
- if (eph_dup($line)) {
- dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
- } else {
- unless ($self->{isolate}) {
- DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
- }
- }
-}
-
-#
-# This is called from inside the main cluster processing loop and is used
-# for despatching commands that are doing some long processing job
-#
-sub process
-{
- my $t = time;
- my @dxchan = DXChannel->get_all();