X-Git-Url: http://www.dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXProt.pm;h=ab9e0e33fd0af91dbf9b83e8b45d53672d212cac;hb=cef696652d16bbeec53aca45234ea0b64f3496d3;hp=3001d263f5dc60878ec65a91a6ea733601b5989f;hpb=1cf4bd14be226274d5deb05da8480ab91a5dac52;p=spider.git diff --git a/perl/DXProt.pm b/perl/DXProt.pm index 3001d263..ab9e0e33 100644 --- a/perl/DXProt.pm +++ b/perl/DXProt.pm @@ -18,8 +18,26 @@ use DXM; use DXCluster; use DXProtVars; use DXCommandmode; +use DXLog; +use Spot; +use DXProtout; +use Carp; use strict; +use vars qw($me $pc11_max_age $pc11_dup_age %dup $last_hour); + +$me = undef; # the channel id for this cluster +$pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11 +$pc11_dup_age = 24*3600; # the maximum time to keep the dup list for +%dup = (); # the pc11 and 26 dup hash +$last_hour = time; # last time I did an hourly periodic update + +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 @@ -47,9 +65,11 @@ sub start $self->send_now('B',"0"); # send initialisation string - $self->send($self->pc38()) if DXNode->get_all(); - $self->send($self->pc18()); - $self->{state} = 'incoming'; + $self->send(pc38()) if DXNode->get_all(); + $self->send(pc18()); + $self->state('init'); + $self->pc50_t(time); + Log('DXProt', "$call connected"); } # @@ -68,54 +88,244 @@ sub normal return if $pcno < 10 || $pcno > 51; SWITCH: { - if ($pcno == 10) {last SWITCH;} - if ($pcno == 11) {last SWITCH;} - if ($pcno == 12) {last 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 || $pcno == 26) { # 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 $d = cltounix($field[3], $field[4]); + return if !$d || ($pcno == 11 && $d < $main::systime - $pc11_max_age); # bang out (and don't pass on) if date is invalid or the spot is too old + + # strip off the leading & trailing spaces from the comment + my $text = unpad($field[5]); + + # store it away + my $spotter = $field[6]; + $spotter =~ s/-\d+$//o; # strip off the ssid from the spotter + + # do some de-duping + my $dupkey = "$field[1]$field[2]$d$text$field[6]"; + return if $dup{$dupkey}; + $dup{$dupkey} = $d; + + my $spot = Spot::add($field[1], $field[2], $d, $text, $spotter); + + # send orf to the users + if ($spot && $pcno == 11) { + my $buf = Spot::formatb($field[1], $field[2], $d, $text, $spotter); + broadcast_users("$buf\a\a"); + } + + 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 $target; + my @list; + + if ($field[4] eq '*') { # sysops + $target = "To Sysops"; + @list = map { $_->priv >= 5 ? $_ : () } get_all_users(); + } elsif ($field[4] gt ' ') { # speciality list handling + my ($name) = split /\./, $field[4]; + $target = "To $name"; # put the rest in later (if bothered) + } + + $target = "WX" if $field[6] eq '1'; + $target = "To All" if !$target; + + if (@list > 0) { + broadcast_list("$target de $field[1]: $text", @list); + } else { + broadcast_users("$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 ($pcno == 16) {last SWITCH;} - if ($pcno == 17) {last SWITCH;} - if ($pcno == 18) {last SWITCH;} - if ($pcno == 19) {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 = uc $call; + $call =~ s/-\d+$//o; # remove ssid + next if DXCluster->get($call); # we already have this (loop?) + + $confmode = $confmode eq '*'; + DXNodeuser->new($self, $node, $call, $confmode, $here); + + # add this station to the user database, if required + my $user = DXUser->get_current($call); + $user = DXUser->new($call) if !$user; + $user->node($node->call) if !$user->node; + $user->put; + } + + # queue up any messages (look for privates only) + DXMsg::queue_msg(1) if $self->state eq 'normal'; + last SWITCH; + } + + if ($pcno == 17) { # remove a user + my $ref = DXCluster->get($field[1]); + $ref->del() if $ref; + last SWITCH; + } + + if ($pcno == 18) { # link request + $self->send_local_config(); + $self->send(pc20()); + $self->state('init'); + last SWITCH; + } + + if ($pcno == 19) { # incoming cluster list + my $i; + for ($i = 1; $i < $#field-1; $i += 4) { + my $here = $field[$i]; + my $call = uc $field[$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); + + # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect) + my $mref = DXMsg::get_busy($call); + $mref->stop_msg($self) if $mref; + } + + # queue up any messages + DXMsg::queue_msg() if $self->state eq 'normal'; + last SWITCH; + } + if ($pcno == 20) { # send local configuration - - # set our data (manually 'cos we only have a psuedo channel [at the moment]) - my $hops = $self->get_hops(); - $self->send("PC19^1^$main::mycall^0^$DXProt::myprot_version^$hops^"); + $self->send_local_config(); + $self->send(pc22()); + $self->state('normal'); - # get all the local users and send them out - my @list; - for (@list = DXCommandmode::get_all(); @list; ) { - @list = $self->pc16(@list); - my $out = shift @list; - $self->send($out); + # queue mail + DXMsg::queue_msg(); + return; + } + + if ($pcno == 21) { # delete a cluster from the list + my $call = uc $field[1]; + if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me! + my $ref = DXCluster->get($call); + $ref->del() if $ref; } - $self->send($self->pc22()); last SWITCH; } - if ($pcno == 21) {last SWITCH;} + if ($pcno == 22) {last SWITCH;} - if ($pcno == 23) {last SWITCH;} - if ($pcno == 24) {last SWITCH;} + + if ($pcno == 23 || $pcno == 27) { # WWV info + Geomag::update(@field[1..$#field]); + last SWITCH; + } + + if ($pcno == 24) { # set here status + my $call = uc $field[1]; + $call =~ s/-\d+//o; + my $ref = DXCluster->get($call); + $ref->here($field[2]) if $ref; + last SWITCH; + } + if ($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 >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42) { # mail/file handling + DXMsg::process($self, $line); + return; + } + + if ($pcno == 34 || $pcno == 36) { # remote commands (incoming) + last SWITCH; + } + + if ($pcno == 35) { # remote command replies + 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 ($pcno == 38) { # node connected list from neighbour + return; + } + + if ($pcno == 39) { # incoming disconnect + $self->disconnect(); + return; + } + + if ($pcno == 41) { # user info + # add this station to the user database, if required + $field[1] =~ s/-\d+$//o; + my $user = DXUser->get_current($field[1]); + $user = DXUser->new($field[1]) if !$user; + + if ($field[2] == 1) { + $user->name($field[3]); + } elsif ($field[2] == 2) { + $user->qth($field[3]); + } elsif ($field[2] == 3) { + my ($latd, $latm, $latl, $longd, $longm, $longl) = split /\s+/, $field[3]; + $longd += ($longm/60); + $longd = 0-$longd if (uc $longl) eq 'W'; + $user->long($longd); + $latd += ($latm/60); + $latd = 0-$latd if (uc $latl) eq 'S'; + $user->lat($latd); + } elsif ($field[2] == 4) { + $user->node($field[3]); + } + $user->put; + last SWITCH; + } if ($pcno == 43) {last SWITCH;} if ($pcno == 44) {last SWITCH;} if ($pcno == 45) {last SWITCH;} @@ -123,27 +333,42 @@ sub normal if ($pcno == 47) {last SWITCH;} if ($pcno == 48) {last SWITCH;} if ($pcno == 49) {last SWITCH;} - if ($pcno == 50) {last SWITCH;} - if ($pcno == 51) {last SWITCH;} + + if ($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 - # the is one). If it has a hop count and it decrements to zero then don't + # 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, $hopfield; - - if ($hopfield =~ /H\d\d./o) { - my ($hops) = $hopfield =~ /H(\d+)/o; - $hops--; - if ($hops > 0) { - $line =~ s/\^H\d+(\^\~.)$/\^H$hops$1/; # change the hop count - DXProt->broadcast($line, $self); # send it to everyone but me + my $hops; + if (($hops) = $line =~ /H(\d+)\^\~?$/o) { + my $newhops = $hops - 1; + if ($newhops > 0) { + $line =~ s/\^H$hops(\^\~?)$/\^H$newhops$1/; # change the hop count + broadcast_ak1a($line, $self); # send it to everyone but me } } } @@ -162,10 +387,21 @@ sub process next if !$chan->is_ak1a(); # send a pc50 out on this channel - if ($t >= $chan->t + $DXProt::pc50_interval) { + if ($t >= $chan->pc50_t + $DXProt::pc50_interval) { $chan->send(pc50()); - $chan->t($t); + $chan->pc50_t($t); + } + } + + my $key; + my $val; + my $cutoff; + if ($main::systime - 3600 > $last_hour) { + $cutoff = $main::systime - $pc11_dup_age; + while (($key, $val) = each %dup) { + delete $dup{$key} if $val < $cutoff; } + $last_hour = $main::systime; } } @@ -174,188 +410,171 @@ sub process # sub finish { + my $self = shift; + my $ref = DXCluster->get($self->call); -} - -# -# add a (local) user to the cluster -# - -sub adduser -{ + # unbusy and stop and outgoing mail + my $mref = DXMsg::get_busy($self->call); + $mref->stop_msg($self) if $mref; + + # broadcast to all other nodes that all the nodes connected to via me are gone + my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all(); + my $node; + + foreach $node (@gonenodes) { + next if $node->call eq $self->call; + broadcast_ak1a(pc21($node->call, 'Gone'), $self); # done like this 'cos DXNodes don't have a pc21 method + $node->del(); + } + # now broadcast to all other ak1a nodes that I have gone + broadcast_ak1a(pc21($self->call, 'Gone.'), $self); + Log('DXProt', $self->call . " Disconnected"); + $ref->del() if $ref; } # -# delete a (local) user to the cluster +# some active measures # -sub deluser +sub send_local_config { + my $self = shift; + my $n; + # send our nodes + my @nodes = DXNode::get_all(); + + # create a list of all the nodes that are not connected to this connection + @nodes = map { $_->dxchan != $self ? $_ : () } @nodes; + $self->send($me->pc19(@nodes)); + + # get all the users connected on the above nodes and send them out + foreach $n (@nodes) { + my @users = values %{$n->list}; + $self->send(DXProt::pc16($n, @users)); + } } # -# add a (locally connected) node to the cluster +# route a message down an appropriate interface for a callsign # - -sub addnode +# is called route(to, pcline); +# +sub route { - + my ($call, $line) = @_; + my $cl = DXCluster->get($call); + if ($cl) { + my $hops; + my $dxchan = $cl->{dxchan}; + if (($hops) = $line =~ /H(\d+)\^\~?$/o) { + my $newhops = $hops - 1; + if ($newhops > 0) { + $line =~ s/\^H$hops(\^\~?)$/\^H$newhops$1/; # change the hop count + $dxchan->send($line) if $dxchan; + } + } else { + $dxchan->send($line) if $dxchan; # for them wot don't have Hops + } + } } -# -# delete a (locally connected) node to the cluster -# -sub delnode +# 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) { + next if grep $chan == $_, @except; + $chan->send($s); # send it if it isn't the except list + } } -# -# some active measures -# - -# broadcast a message to all clusters [except those mentioned after buffer] -sub broadcast +# broadcast to all users +sub broadcast_users { - my $pkg = shift; # ignored my $s = shift; # the line to be rebroadcast my @except = @_; # to all channels EXCEPT these (dxchannel refs) - my @chan = DXChannel->get_all(); - my ($chan, $except); + my @chan = get_all_users(); + my $chan; + + foreach $chan (@chan) { + next if grep $chan == $_, @except; + $chan->send($s); # send it if it isn't the except list + } +} + +# broadcast to a list of users +sub broadcast_list +{ + my $s = shift; + my $chan; -L: foreach $chan (@chan) { - next if !$chan->sort eq 'A'; # only interested in ak1a channels - foreach $except (@except) { - next L if $except == $chan; # ignore channels in the 'except' list - } - chan->send($s); # send it + foreach $chan (@_) { + $chan->send($s); # send it } } # # gimme all the ak1a nodes # -sub get_all +sub get_all_ak1a { my @list = DXChannel->get_all(); my $ref; my @out; foreach $ref (@list) { - push @out, $ref if $ref->sort eq 'A'; + push @out, $ref if $ref->is_ak1a; } return @out; } -# -# obtain the hops from the list for this callsign and pc no -# - -sub get_hops +# return a list of all users +sub get_all_users { - my ($self, $pcno) = @_; - return "H$DXProt::def_hopcount"; # for now -} - -# -# All the PCxx generation routines -# - -# -# add one or more users (I am expecting references that have 'call', -# 'confmode' & 'here' method) -# -# NOTE this sends back a list containing the PC string (first element) -# and the rest of the users not yet processed -# -sub pc16 -{ - my $self = shift; - my @list = @_; # list of users - my @out = ('PC16', $main::mycall); - my $i; - - for ($i = 0; @list && $i < $DXProt::pc16_max_users; $i++) { - my $ref = shift @list; - my $call = $ref->call; - my $s = sprintf "%s %s %d", $call, $ref->confmode ? '*' : '-', $ref->here; - push @out, $s; + my @list = DXChannel->get_all(); + my $ref; + my @out; + foreach $ref (@list) { + push @out, $ref if $ref->is_user; } - push @out, $self->get_hops(); - my $str = join '^', @out; - $str .= '^'; - return ($str, @list); -} - -# Request init string -sub pc18 -{ - return "PC18^wot a load of twaddle^$DXProt::myprot_version^~"; + return @out; } -# -# add one or more nodes -# -# NOTE this sends back a list containing the PC string (first element) -# and the rest of the nodes not yet processed (as PC16) -# -sub pc19 +# return a list of all user callsigns +sub get_all_user_calls { - my $self = shift; - my @list = @_; # list of users - my @out = ('PC19', $main::mycall); - my $i; - - for ($i = 0; @list && $i < $DXProt::pc19_max_nodes; $i++) { - my $ref = shift @list; - push @out, $ref->here, $ref->call, $ref->confmode, $ref->pcversion; + my @list = DXChannel->get_all(); + my $ref; + my @out; + foreach $ref (@list) { + push @out, $ref->call if $ref->is_user; } - push @out, $self->get_hops(); - my $str = join '^', @out; - $str .= '^'; - return ($str, @list); -} - -# end of Rinit phase -sub pc20 -{ - return 'PC20^'; -} - -# delete a node -sub pc21 -{ - my ($self, $ref, $reason) = @_; - my $call = $ref->call; - my $hops = $self->get_hops(); - return "PC21^$call^$reason^$hops^"; + return @out; } -# end of init phase -sub pc22 -{ - return 'PC22^'; -} +# +# obtain the hops from the list for this callsign and pc no +# -# send all the DX clusters I reckon are connected -sub pc38 +sub get_hops { - my @list = DXNode->get_all(); - my $list; - my @nodes; - - foreach $list (@list) { - push @nodes, $list->call; - } - return "PC38^" . join(',', @nodes) . "^~"; + my ($pcno) = @_; + my $hops = $DXProt::hopcount{$pcno}; + $hops = $DXProt::def_hopcount if !$hops; + return "H$hops"; } -sub pc50 +# remove leading and trailing spaces from an input string +sub unpad { - my $n = DXNodeuser->count; - return "PC50^$main::mycall^$n^H99^"; + my $s = shift; + $s =~ s/^\s+|\s+$//; + return $s; } - 1; __END__