package DXProt;
+@ISA = qw(DXChannel);
+
use DXUtil;
use DXChannel;
use DXUser;
use DXM;
+use DXCluster;
+use DXProtVars;
+use DXCommandmode;
+use Spot;
+use Date::Parse;
+use DXProtout;
+
+use strict;
+use vars qw($me);
+
+$me = undef; # the channel id for this cluster
+
+sub init
+{
+ my $user = DXUser->get($main::mycall);
+ $me = DXProt->new($main::mycall, undef, $user);
+# $me->{sort} = 'M'; # M for me
+}
+
+#
+# obtain a new connection this is derived from dxchannel
+#
+
+sub new
+{
+ my $self = DXChannel::alloc(@_);
+ $self->{sort} = 'A'; # in absence of how to find out what sort of an object I am
+ return $self;
+}
# this is how a pc connection starts (for an incoming connection)
# issue a PC38 followed by a PC18, then wait for a PC20 (remembering
# all the crap that comes between).
-sub pc_start
+sub start
{
- my $self = shift;
- $self->{normal} = \&pc_normal;
- $self->{finish} = \&pc_finish;
+ my ($self, $line) = shift;
+ my $call = $self->call;
+
+ # remember type of connection
+ $self->{consort} = $line;
+
+ # set unbuffered
+ $self->send_now('B',"0");
+
+ # send initialisation string
+ $self->send(pc38()) if DXNode->get_all();
+ $self->send(pc18());
+ $self->state('normal');
+ $self->pc50_t(time);
}
#
# This is the normal pcxx despatcher
#
-sub pc_normal
+sub normal
{
+ my ($self, $line) = @_;
+ my @field = split /[\^\~]/, $line;
+
+ # ignore any lines that don't start with PC
+ return if !$field[0] =~ /^PC/;
+
+ # process PC frames
+ my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
+ return if $pcno < 10 || $pcno > 51;
+
+ SWITCH: {
+ if ($pcno == 10) { # incoming talk
+
+ # is it for me or one of mine?
+ my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
+ if ($call eq $main::mycall || grep $_ eq $call, get_all_user_calls()) {
+
+ # yes, it is
+ my $text = unpad($field[3]);
+ my $ref = DXChannel->get($call);
+ $ref->send("$call de $field[1]: $text") if $ref;
+ } else {
+ route($field[2], $line); # relay it on its way
+ }
+ return;
+ }
+
+ if ($pcno == 11) { # dx spot
+
+ # if this is a 'nodx' node then ignore it
+ last SWITCH if grep $field[7] =~ /^$_/, @DXProt::nodx_node;
+
+ # convert the date to a unix date
+ my $date = $field[3];
+ my $time = $field[4];
+ $date =~ s/^\s*(\d+)-(\w\w\w)-(19\d\d)$/$1 $2 $3/;
+ $time =~ s/^(\d\d)(\d\d)Z$/$1:$2 +0000/;
+ my $d = str2time("$date $time");
+ return if !$d; # bang out (and don't pass on) if date is invalid
+
+ # strip off the leading & trailing spaces from the comment
+ my $text = unpad($field[5]);
+
+ # store it away
+ Spot::add($field[1], $field[2], $d, $text, $field[6]);
+
+ # format and broadcast it to users
+ my $spotter = $field[6];
+ $spotter =~ s/^(\w+)-\d+/$1/; # strip off the ssid from the spotter
+ $spotter .= ':'; # add a colon
+
+ # send orf to the users
+ my $buf = sprintf "DX de %-7.7s %13.13s %-12.12s %-30.30s %5.5s\a\a", $spotter, $field[1], $field[2], $text, $field[4];
+ broadcast_users($buf);
+
+ last SWITCH;
+ }
+
+ if ($pcno == 12) { # announces
+
+ if ($field[2] eq '*' || $field[2] eq $main::mycall) {
+ # strip leading and trailing stuff
+ my $text = unpad($field[3]);
+ my $target = "To Sysops" if $field[4] eq '*';
+ $target = "WX" if $field[6];
+ $target = "To All" if !$target;
+ broadcast_users("$target de $field[1]: $text");
+
+ return if $field[2] eq $main::mycall; # it's routed to me
+ } else {
+ route($field[2], $line);
+ return; # only on a routed one
+ }
+
+ last SWITCH;
+ }
+
+ if ($pcno == 13) {last SWITCH;}
+ if ($pcno == 14) {last SWITCH;}
+ if ($pcno == 15) {last SWITCH;}
+
+ if ($pcno == 16) { # add a user
+ my $node = DXCluster->get($field[1]);
+ last SWITCH if !$node; # ignore if havn't seen a PC19 for this one yet
+ my $i;
+
+ for ($i = 2; $i < $#field; $i++) {
+ my ($call, $confmode, $here) = $field[$i] =~ /^(\w+) (-) (\d)/o;
+ next if length $call < 3;
+ next if !$confmode;
+ $call =~ s/^(\w+)-\d+/$1/; # remove ssid
+ next if DXCluster->get($call); # we already have this (loop?)
+
+ $confmode = $confmode eq '*';
+ DXNodeuser->new($self, $node, $call, $confmode, $here);
+ }
+ last SWITCH;
+ }
+
+ if ($pcno == 17) { # remove a user
+ my $ref = DXCluster->get($field[1]);
+ $ref->del() if $ref;
+ last SWITCH;
+ }
+
+ if ($pcno == 18) { # link request
+
+ # send our nodes
+ my $hops = get_hops(19);
+ $self->send($me->pc19(get_all_ak1a()));
+
+ # get all the local users and send them out
+ $self->send($me->pc16(get_all_users()));
+ $self->send(pc20());
+ last SWITCH;
+ }
+
+ if ($pcno == 19) { # incoming cluster list
+ my $i;
+ for ($i = 1; $i < $#field-1; $i += 4) {
+ my $here = $field[$i];
+ my $call = $field[$i+1];
+ my $confmode = $field[$i+2] eq '*';
+ my $ver = $field[$i+3];
+
+ # now check the call over
+ next if DXCluster->get($call); # we already have this
+
+ # check for sane parameters
+ next if $ver < 5000; # only works with version 5 software
+ next if length $call < 3; # min 3 letter callsigns
+ DXNode->new($self, $call, $confmode, $here, $ver);
+ }
+ last SWITCH;
+ }
+
+ if ($pcno == 20) { # send local configuration
+
+ # send our nodes
+ my $hops = get_hops(19);
+ $self->send($me->pc19(get_all_ak1a()));
+
+ # get all the local users and send them out
+ $self->send($me->pc16(get_all_users()));
+ $self->send(pc22());
+ return;
+ }
+
+ if ($pcno == 21) { # delete a cluster from the list
+ my $ref = DXCluster->get($field[1]);
+ $ref->del() if $ref;
+ last SWITCH;
+ }
+
+ if ($pcno == 22) {last SWITCH;}
+ if ($pcno == 23) {last SWITCH;}
+ if ($pcno == 24) {last SWITCH;}
+ if ($pcno == 25) {last SWITCH;}
+ if ($pcno == 26) {last SWITCH;}
+ if ($pcno == 27) {last SWITCH;}
+ if ($pcno == 28) {last SWITCH;}
+ if ($pcno == 29) {last SWITCH;}
+ if ($pcno == 30) {last SWITCH;}
+ if ($pcno == 31) {last SWITCH;}
+ if ($pcno == 32) {last SWITCH;}
+ if ($pcno == 33) {last SWITCH;}
+ if ($pcno == 34) {last SWITCH;}
+ if ($pcno == 35) {last SWITCH;}
+ if ($pcno == 36) {last SWITCH;}
+ if ($pcno == 37) {last SWITCH;}
+ if ($pcno == 38) {last SWITCH;}
+ if ($pcno == 39) {last SWITCH;}
+ if ($pcno == 40) {last SWITCH;}
+ if ($pcno == 41) {last SWITCH;}
+ if ($pcno == 42) {last SWITCH;}
+ if ($pcno == 43) {last SWITCH;}
+ if ($pcno == 44) {last SWITCH;}
+ if ($pcno == 45) {last SWITCH;}
+ if ($pcno == 46) {last SWITCH;}
+ if ($pcno == 47) {last SWITCH;}
+ if ($pcno == 48) {last SWITCH;}
+ if ($pcno == 49) {last SWITCH;}
+
+ if ($pcno == 50) { # keep alive/user list
+ my $ref = DXCluster->get($field[1]);
+ $ref->update_users($field[2]) if $ref;
+ last SWITCH;
+ }
+
+ if ($pcno == 51) { # incoming ping requests/answers
+
+ # is it for us?
+ if ($field[1] eq $main::mycall) {
+ my $flag = $field[3];
+ $flag ^= 1;
+ $self->send($self->pc51($field[2], $field[1], $flag));
+ } else {
+ # route down an appropriate thingy
+ route($field[1], $line);
+ }
+ return;
+ }
+ }
+
+ # 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!!!!
+ #
+
+ my $hopfield = pop @field;
+ push @field, $hopfield;
+
+ my $hops;
+ if (($hops) = $hopfield =~ /H(\d+)\^\~?$/o) {
+ my $newhops = $hops - 1;
+ if ($newhops > 0) {
+ $line =~ s/\^H$hops(\^\~?)$/\^H$newhops$1/; # change the hop count
+ broadcast_ak1a($line, $self); # 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 pc_process
+sub process
{
+ my $t = time;
+ my @chan = DXChannel->get_all();
+ my $chan;
+
+ foreach $chan (@chan) {
+ next if !$chan->is_ak1a();
+ # send a pc50 out on this channel
+ if ($t >= $chan->pc50_t + $DXProt::pc50_interval) {
+ $chan->send(pc50());
+ $chan->pc50_t($t);
+ }
+ }
}
#
# finish up a pc context
#
-sub pc_clean
+sub finish
+{
+ my $self = shift;
+ broadcast_ak1a($self->pc21('Gone.'));
+ my $ref = DXCluster->get($self->call);
+ $ref->del() if $ref;
+}
+
+#
+# some active measures
+#
+
+#
+# route a message down an appropriate interface for a callsign
+#
+# is called route(to, pcline);
+#
+sub route
+{
+ my ($call, $line) = @_;
+ my $cl = DXCluster->get($call);
+ if ($cl) {
+ my $dxchan = $cl->{dxchan};
+ $cl->send($line) if $dxchan;
+ }
+}
+
+# broadcast a message to all clusters [except those mentioned after buffer]
+sub broadcast_ak1a
+{
+ my $s = shift; # the line to be rebroadcast
+ my @except = @_; # to all channels EXCEPT these (dxchannel refs)
+ my @chan = get_all_ak1a();
+ my $chan;
+
+ foreach $chan (@chan) {
+ $chan->send($s) if !grep $chan, @except; # send it if it isn't the except list
+ }
+}
+
+# broadcast to all users
+sub broadcast_users
+{
+ my $s = shift; # the line to be rebroadcast
+ my @except = @_; # to all channels EXCEPT these (dxchannel refs)
+ my @chan = get_all_users();
+ my $chan;
+
+ foreach $chan (@chan) {
+ $chan->send($s) if !grep $chan, @except; # send it if it isn't the except list
+ }
+}
+
+#
+# gimme all the ak1a nodes
+#
+sub get_all_ak1a
{
+ my @list = DXChannel->get_all();
+ my $ref;
+ my @out;
+ foreach $ref (@list) {
+ push @out, $ref if $ref->is_ak1a;
+ }
+ return @out;
+}
+# return a list of all users
+sub get_all_users
+{
+ my @list = DXChannel->get_all();
+ my $ref;
+ my @out;
+ foreach $ref (@list) {
+ push @out, $ref if $ref->is_user;
+ }
+ return @out;
}
+# return a list of all user callsigns
+sub get_all_user_calls
+{
+ my @list = DXChannel->get_all();
+ my $ref;
+ my @out;
+ foreach $ref (@list) {
+ push @out, $ref->call if $ref->is_user;
+ }
+ return @out;
+}
+
+#
+# obtain the hops from the list for this callsign and pc no
+#
+
+sub get_hops
+{
+ my ($pcno) = @_;
+ my $hops = $DXProt::hopcount{$pcno};
+ $hops = $DXProt::def_hopcount if !$hops;
+ return "H$hops";
+}
+
+# remove leading and trailing spaces from an input string
+sub unpad
+{
+ my $s = shift;
+ $s =~ s/^\s+|\s+$//;
+ return $s;
+}
1;
__END__
projects / spider.git / blobdiff