X-Git-Url: http://gb7djk.dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2Fcluster.pl;h=1eb8207806716033fbb16e9014b7e4fa9fd68d21;hb=f91e843bd91e37a969d0be7e1168649b076e5170;hp=2f96af8814e9a2e2333e0d9118716bf61e28210e;hpb=625ce0adf070a7e900fa03714a391652db0c065a;p=spider.git diff --git a/perl/cluster.pl b/perl/cluster.pl index 2f96af88..1eb82078 100755 --- a/perl/cluster.pl +++ b/perl/cluster.pl @@ -1,164 +1,282 @@ #!/usr/bin/perl # -# A thing that implements dxcluster 'protocol' +# This is the DX cluster 'daemon'. It sits in the middle of its little +# web of client routines sucking and blowing data where it may. # -# This is a perl module/program that sits on the end of a dxcluster -# 'protocol' connection and deals with anything that might come along. -# -# this program is called by ax25d and gets raw ax25 text on its input +# Hence the name of 'spider' (although it may become 'dxspider') # # Copyright (c) 1998 Dirk Koopman G1TLH # # $Id$ # +# make sure that modules are searched in the order local then perl +BEGIN { + # root of directory tree for this system + $root = "/spider"; + $root = $ENV{'DXSPIDER_ROOT'} if $ENV{'DXSPIDER_ROOT'}; + + unshift @INC, "$root/perl"; # this IS the right way round! + unshift @INC, "$root/local"; + +# require Exporter; +# $Exporter::Verbose = 1; +} + use Msg; use DXVars; +use DXDebug; +use DXLog; +use DXLogPrint; use DXUtil; use DXChannel; use DXUser; use DXM; use DXCommandmode; use DXProt; +use DXMsg; +use DXCluster; +use DXCron; +use DXConnect; +use Prefix; +use Bands; +use Geomag; +use CmdAlias; +use Carp; package main; -@inqueue = (); # the main input queue, an array of hashes -$systime = 0; # the time now (in seconds) - +@inqueue = (); # the main input queue, an array of hashes +$systime = 0; # the time now (in seconds) +$version = 1.9; # the version no of the software +$starttime = 0; # the starting time of the cluster + # handle disconnections sub disconnect { - my $dxchan = shift; - return if !defined $dxchan; - my $user = $dxchan->{user}; - my $conn = $dxchan->{conn}; - if ($user->{sort} eq 'A') { # and here (when I find out how to write it!) - $dxchan->pc_finish(); - } else { - $dxchan->user_finish(); - } - $user->close() if defined $user; - $conn->disconnect() if defined $conn; - $dxchan->del(); + my $dxchan = shift; + return if !defined $dxchan; + $dxchan->disconnect(); } # handle incoming messages sub rec { - my ($conn, $msg, $err) = @_; - my $dxchan = DXChannel->get_by_cnum($conn); # get the dxconnnect object for this message - - if (defined $err && $err) { - disconnect($dxchan) if defined $dxchan; - return; - } - - # set up the basic channel info - this needs a bit more thought - there is duplication here - if (!defined $dxchan) { - my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/; - my $user = DXUser->get($call); - $user = DXUser->new($call) if !defined $user; - $dxchan = DXChannel->new($call, $conn, $user); - } - - # queue the message and the channel object for later processing - if (defined $msg) { - my $self = bless {}, "inqueue"; - $self->{dxchan} = $dxchan; - $self->{data} = $msg; - push @inqueue, $self; - } + my ($conn, $msg, $err) = @_; + my $dxchan = DXChannel->get_by_cnum($conn); # get the dxconnnect object for this message + + if (defined $err && $err) { + disconnect($dxchan) if defined $dxchan; + return; + } + + # set up the basic channel info - this needs a bit more thought - there is duplication here + if (!defined $dxchan) { + my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/; + + # is there one already connected? + if (DXChannel->get($call)) { + my $mess = DXM::msg($lang, 'conother', $call); + dbg('chan', "-> D $call $mess\n"); + $conn->send_now("D$call|$mess"); + sleep(1); + dbg('chan', "-> Z $call bye\n"); + $conn->send_now("Z$call|bye"); # this will cause 'client' to disconnect + return; + } + + # is there one already connected elsewhere in the cluster (and not a cluster) + my $user = DXUser->get($call); + if ($user && $user->sort eq 'A' && !DXCluster->get_exact($call)) { + ; + } elsif (($call eq $main::myalias && DXCluster->get_exact($call)) || + DXCluster->get($call)) { + my $mess = DXM::msg($lang, 'concluster', $call); + dbg('chan', "-> D $call $mess\n"); + $conn->send_now("D$call|$mess"); + sleep(1); + dbg('chan', "-> Z $call bye\n"); + $conn->send_now("Z$call|bye"); # this will cause 'client' to disconnect + return; + } + + # the user MAY have an SSID if local, but otherwise doesn't + my $user = DXUser->get($call); + if (!defined $user) { + $user = DXUser->new($call); + } else { + $user->{lang} = $main::lang if !$user->{lang}; # to autoupdate old systems + } + + + # create the channel + $dxchan = DXCommandmode->new($call, $conn, $user) if ($user->sort eq 'U'); + $dxchan = DXProt->new($call, $conn, $user) if ($user->sort eq 'A'); + die "Invalid sort of user on $call = $sort" if !$dxchan; + } + + # queue the message and the channel object for later processing + if (defined $msg) { + my $self = bless {}, "inqueue"; + $self->{dxchan} = $dxchan; + $self->{data} = $msg; + push @inqueue, $self; + } } sub login { - return \&rec; + return \&rec; } # cease running this program, close down all the connections nicely sub cease { - my $dxchan; - foreach $dxchan (DXChannel->get_all()) { - disconnect($dxchan); - } - exit(0); + my $dxchan; + foreach $dxchan (DXChannel->get_all()) { + disconnect($dxchan); + } + Log('cluster', "DXSpider V$version stopped"); + exit(0); +} + +# the reaper of children +sub reap +{ + my $cpid = wait; } # this is where the input queue is dealt with and things are dispatched off to other parts of # the cluster sub process_inqueue { - my $self = shift @inqueue; - return if !$self; - - my $data = $self->{data}; - my $dxchan = $self->{dxchan}; - my ($sort, $call, $line) = $data =~ /^(\w)(\S+)\|(.*)$/; - - # do the really sexy console interface bit! (Who is going to do the TK interface then?) - print DEBUG atime, " <- $sort $call $line\n" if defined DEBUG; - print "<- $sort $call $line\n"; - - # handle A records - my $user = $dxchan->{user}; - if ($sort eq 'A') { - $user->{sort} = 'U' if !defined $user->{sort}; - if ($user->{sort} eq 'A') { - $dxchan->pc_start($line); - } else { - $dxchan->user_start($line); - } - } elsif ($sort eq 'D') { - die "\$user not defined for $call" if !defined $user; - if ($user->{sort} eq 'A') { # we will have a symbolic ref to a proc here - $dxchan->pc_normal($line); + my $self = shift @inqueue; + return if !$self; + + my $data = $self->{data}; + my $dxchan = $self->{dxchan}; + my ($sort, $call, $line) = $data =~ /^(\w)(\S+)\|(.*)$/; + + # do the really sexy console interface bit! (Who is going to do the TK interface then?) + dbg('chan', "<- $sort $call $line\n"); + + # handle A records + my $user = $dxchan->user; + if ($sort eq 'A' || $sort eq 'O') { + $dxchan->start($line, $sort); + } elsif ($sort eq 'D') { + die "\$user not defined for $call" if !defined $user; + + # normal input + $dxchan->normal($line); + + disconnect($dxchan) if ($dxchan->{state} eq 'bye'); + } elsif ($sort eq 'Z') { + disconnect($dxchan); } else { - $dxchan->user_normal($line); + print STDERR atime, " Unknown command letter ($sort) received from $call\n"; } - disconnect($dxchan) if ($dxchan->{state} eq 'bye'); - } elsif ($sort eq 'Z') { - disconnect($dxchan); - } else { - print STDERR atime, " Unknown command letter ($sort) received from $call\n"; - } } +sub uptime +{ + my $t = $systime - $starttime; + my $days = int $t / 86400; + $t -= $days * 86400; + my $hours = int $t / 3600; + $t -= $hours * 3600; + my $mins = int $t / 60; + return sprintf "%d %02d:%02d", $days, $hours, $mins; +} ############################################################# # # The start of the main line of code # ############################################################# +$starttime = $systime = time; + # open the debug file, set various FHs to be unbuffered -open(DEBUG, ">>$debugfn") or die "can't open $debugfn($!)"; -select DEBUG; $| = 1; -select STDOUT; $| = 1; +foreach (@debug) { + dbgadd($_); +} +STDOUT->autoflush(1); + +Log('cluster', "DXSpider V$version started"); + +# banner +print "DXSpider DX Cluster Version $version\nCopyright (c) 1998 Dirk Koopman G1TLH\n"; + +# load Prefixes +print "loading prefixes ...\n"; +Prefix::load(); + +# load band data +print "loading band data ...\n"; +Bands::load(); # initialise User file system +print "loading user file system ...\n"; DXUser->init($userfn); # start listening for incoming messages/connects +print "starting listener ...\n"; Msg->new_server("$clusteraddr", $clusterport, \&login); # prime some signals $SIG{'INT'} = \&cease; $SIG{'TERM'} = \&cease; $SIG{'HUP'} = 'IGNORE'; +$SIG{'CHLD'} = \&reap; + +# read in system messages +DXM->init(); + +# read in command aliases +CmdAlias->init(); + +# initialise the protocol engine +DXProt->init(); + +# initialise the Geomagnetic data engine +Geomag->init(); + +# initial the Spot stuff +Spot->init(); + +# put in a DXCluster node for us here so we can add users and take them away +DXNode->new(0, $mycall, 0, 1, $DXProt::myprot_version); + +# read in any existing message headers and clean out old crap +print "reading existing message headers\n"; +DXMsg->init(); +DXMsg::clean_old(); + +# read in any cron jobs +print "reading cron jobs\n"; +DXCron->init(); # this, such as it is, is the main loop! +print "orft we jolly well go ...\n"; for (;;) { - my $timenow; - Msg->event_loop(1, 0.001); - $timenow = time; - if ($timenow != $systime) { - $systime = $timenow; - $cldate = &cldate(); - $ztime = &ztime(); - } - process_inqueue(); # read in lines from the input queue and despatch them - DXCommandmode::user_process(); # process ongoing command mode stuff - DXProt::pc_process(); # process ongoing ak1a pcxx stuff + my $timenow; + Msg->event_loop(1, 0.001); + $timenow = time; + process_inqueue(); # read in lines from the input queue and despatch them + + # do timed stuff, ongoing processing happens one a second + if ($timenow != $systime) { + $systime = $timenow; + $cldate = &cldate(); + $ztime = &ztime(); + DXCron::process(); # do cron jobs + DXCommandmode::process(); # process ongoing command mode stuff + DXProt::process(); # process ongoing ak1a pcxx stuff + DXConnect::process(); + } + if ($decease) { + last if --$decease <= 0; + } } +