X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2Fcluster.pl;h=06dab32b2456a291d0b558e0b8006ec08c043704;hb=d4c958444110a264159a982ca6d7bdeb80defabb;hp=0f8ecfbba1ff4ef37b0f8889a3e2b7d82ea6062e;hpb=8e0eef80216fbb2bca3606daf5797e39b2889d7a;p=spider.git diff --git a/perl/cluster.pl b/perl/cluster.pl index 0f8ecfbb..06dab32b 100755 --- a/perl/cluster.pl +++ b/perl/cluster.pl @@ -25,7 +25,7 @@ BEGIN { # try to create and lock a lockfile (this isn't atomic but # should do for now - $lockfn = "$root/perl/cluster.lock"; # lock file name + my $lockfn = "$root/perl/cluster.lock"; # lock file name if (-e $lockfn) { open(CLLOCK, "$lockfn") or die "Can't open Lockfile ($lockfn) $!"; my $pid = ; @@ -39,6 +39,8 @@ BEGIN { } use Msg; +use IntMsg; +use ExtMsg; use DXVars; use DXDebug; use DXLog; @@ -66,26 +68,25 @@ use BadWords; use Data::Dumper; use Fcntl ':flock'; +use POSIX ":sys_wait_h"; use Local; package main; +use strict; +use vars qw(@inqueue $systime $version $starttime $lockfn @outstanding_connects $zombies $root + @listeners $lang $myalias @debug $userfn $clusteraddr $clusterport $mycall $decease ); + @inqueue = (); # the main input queue, an array of hashes $systime = 0; # the time now (in seconds) -$version = "1.44"; # the version no of the software +$version = "1.47"; # the version no of the software $starttime = 0; # the starting time of the cluster $lockfn = "cluster.lock"; # lock file name -@outstanding_connects = (); # list of outstanding connects - -# handle disconnections -sub disconnect -{ - my $dxchan = shift; - return if !defined $dxchan; - $dxchan->disconnect(); -} +#@outstanding_connects = (); # list of outstanding connects +@listeners = (); # list of listeners + # send a message to call on conn and disconnect sub already_conn { @@ -93,81 +94,81 @@ sub already_conn 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 - sleep(1); - $conn->disconnect(); + sleep(2); + $conn->disconnect; +} + +sub error_handler +{ + my $dxchan = shift; + $dxchan->{conn}->set_error(undef) if exists $dxchan->{conn}; + $dxchan->disconnect(1); } # handle incoming messages -sub rec +sub new_channel { - my ($conn, $msg, $err) = @_; - my $dxchan = DXChannel->get_by_cnum($conn); # get the dxconnnect object for this message + my ($conn, $msg) = @_; + my ($sort, $call, $line) = DXChannel::decode_input(0, $msg); + return unless defined $sort; - if (!defined $msg || (defined $err && $err)) { - if ($dxchan) { - if (defined $err) { - $conn->disconnect; - undef $conn; - $dxchan->conn(undef); - } - $dxchan->disconnect; - } elsif ($conn) { - $conn->disconnect; - } + # set up the basic channel info + # is there one already connected to me - locally? + my $user = DXUser->get($call); + my $dxchan = DXChannel->get($call); + if ($dxchan) { + my $mess = DXM::msg($lang, ($user && $user->is_node) ? 'concluster' : 'conother', $call, $main::mycall); + already_conn($conn, $call, $mess); return; } - # set up the basic channel info - this needs a bit more thought - there is duplication here - if (!defined $dxchan) { - my ($sort, $call, $line) = DXChannel::decode_input(0, $msg); - return unless defined $sort; - - # is there one already connected to me - locally? - my $user = DXUser->get($call); - if (DXChannel->get($call)) { - my $mess = DXM::msg($lang, ($user && $user->is_node) ? 'concluster' : 'conother', $call); - already_conn($conn, $call, $mess); - return; - } - - # is there one already connected elsewhere in the cluster? - if ($user) { - if (($user->is_node || $call eq $myalias) && !DXCluster->get_exact($call)) { - ; - } else { - if (DXCluster->get_exact($call)) { - my $mess = DXM::msg($lang, $user->is_node ? 'concluster' : 'conother', $call); - already_conn($conn, $call, $mess); - return; - } - } - $user->{lang} = $main::lang if !$user->{lang}; # to autoupdate old systems + # is there one already connected elsewhere in the cluster? + if ($user) { + if (($user->is_node || $call eq $myalias) && !DXCluster->get_exact($call)) { + ; } else { - if (DXCluster->get_exact($call)) { - my $mess = DXM::msg($lang, 'conother', $call); + if (my $ref = DXCluster->get_exact($call)) { + my $mess = DXM::msg($lang, 'concluster', $call, $ref->mynode->call); already_conn($conn, $call, $mess); return; } - $user = DXUser->new($call); } - - # is he locked out ? - if ($user->lockout) { - Log('DXCommand', "$call is locked out, disconnected"); - $conn->send_now("Z$call|bye"); # this will cause 'client' to disconnect + $user->{lang} = $main::lang if !$user->{lang}; # to autoupdate old systems + } else { + if (my $ref = DXCluster->get_exact($call)) { + my $mess = DXM::msg($lang, 'concluster', $call, $ref->mynode->call); + already_conn($conn, $call, $mess); return; } - - # create the channel - $dxchan = DXCommandmode->new($call, $conn, $user) if $user->is_user; - $dxchan = DXProt->new($call, $conn, $user) if $user->is_node; - $dxchan = BBS->new($call, $conn, $user) if $user->is_bbs; - die "Invalid sort of user on $call = $sort" if !$dxchan; + $user = DXUser->new($call); } + # is he locked out ? + if ($user->lockout) { + Log('DXCommand', "$call is locked out, disconnected"); + $conn->disconnect; + return; + } + + # create the channel + $dxchan = DXCommandmode->new($call, $conn, $user) if $user->is_user; + $dxchan = DXProt->new($call, $conn, $user) if $user->is_node; + $dxchan = BBS->new($call, $conn, $user) if $user->is_bbs; + die "Invalid sort of user on $call = $sort" if !$dxchan; + + # check that the conn has a callsign + $conn->conns($call) if $conn->isa('IntMsg'); + + # set callbacks + $conn->set_error(sub {error_handler($dxchan)}); + $conn->set_rproc(sub {my ($conn,$msg) = @_; rec($dxchan, $conn, $msg);}); + rec($dxchan, $conn, $msg); +} + +sub rec +{ + my ($dxchan, $conn, $msg) = @_; + # queue the message and the channel object for later processing if (defined $msg) { my $self = bless {}, "inqueue"; @@ -179,7 +180,7 @@ sub rec sub login { - return \&rec; + return \&new_channel; } # cease running this program, close down all the connections nicely @@ -200,19 +201,15 @@ sub cease # disconnect nodes foreach $dxchan (DXChannel->get_all()) { next unless $dxchan->is_node; - disconnect($dxchan) unless $dxchan == $DXProt::me; + $dxchan->disconnect unless $dxchan == $DXProt::me; } Msg->event_loop(1, 0.05); Msg->event_loop(1, 0.05); - Msg->event_loop(1, 0.05); - Msg->event_loop(1, 0.05); - Msg->event_loop(1, 0.05); - Msg->event_loop(1, 0.05); # disconnect users foreach $dxchan (DXChannel->get_all()) { next if $dxchan->is_node; - disconnect($dxchan) unless $dxchan == $DXProt::me; + $dxchan->disconnect unless $dxchan == $DXProt::me; } Msg->event_loop(1, 0.05); Msg->event_loop(1, 0.05); @@ -225,7 +222,12 @@ sub cease # close all databases DXDb::closeall; - + + # close all listeners + for (@listeners) { + $_->close_server; + } + dbg('chan', "DXSpider version $version ended"); Log('cluster', "DXSpider V$version stopped"); dbgclose(); @@ -238,9 +240,13 @@ sub cease # the reaper of children sub reap { - $SIG{'CHLD'} = \&reap; - my $cpid = wait; - @outstanding_connects = grep {$_->{pid} != $cpid} @outstanding_connects; + my $cpid; + while (($cpid = waitpid(-1, WNOHANG)) > 0) { + dbg('reap', "cpid: $cpid"); +# Msg->pid_gone($cpid); + $zombies-- if $zombies > 0; + } + dbg('reap', "cpid: $cpid"); } # this is where the input queue is dealt with and things are dispatched off to other parts of @@ -267,10 +273,9 @@ sub process_inqueue die "\$user not defined for $call" if !defined $user; # normal input $dxchan->normal($line); - disconnect($dxchan) if ($dxchan->{state} eq 'bye'); + $dxchan->disconnect if ($dxchan->{state} eq 'bye'); } elsif ($sort eq 'Z') { - $dxchan->conn(undef); - disconnect($dxchan); + $dxchan->disconnect; } elsif ($sort eq 'D') { ; # ignored (an echo) } else { @@ -295,6 +300,7 @@ sub uptime ############################################################# $starttime = $systime = time; +$lang = 'en' unless $lang; # open the debug file, set various FHs to be unbuffered dbginit(); @@ -306,7 +312,7 @@ STDOUT->autoflush(1); Log('cluster', "DXSpider V$version started"); # banner -dbg('err', "DXSpider DX Cluster Version $version", "Copyright (c) 1998-2000 Dirk Koopman G1TLH"); +dbg('err', "DXSpider DX Cluster Version $version", "Copyright (c) 1998-2001 Dirk Koopman G1TLH"); # load Prefixes dbg('err', "loading prefixes ..."); @@ -321,28 +327,43 @@ dbg('err', "loading user file system ..."); DXUser->init($userfn, 1); # start listening for incoming messages/connects -dbg('err', "starting listener ..."); -Msg->new_server("$clusteraddr", $clusterport, \&login); +use Listeners; + +dbg('err', "starting listeners ..."); +my $conn = IntMsg->new_server($clusteraddr, $clusterport, \&login); +$conn->conns("Server $clusteraddr/$clusterport"); +push @listeners, $conn; +dbg('err', "Internal port: $clusteraddr $clusterport"); +for (@main::listen) { + $conn = ExtMsg->new_server($_->[0], $_->[1], \&login); + $conn->conns("Server $_->[0]/$_->[1]"); + push @listeners, $conn; + dbg('err', "External Port: $_->[0] $_->[1]"); +} # load bad words dbg('err', "load badwords: " . (BadWords::load or "Ok")); # prime some signals -$SIG{INT} = \&cease; -$SIG{TERM} = \&cease; -$SIG{HUP} = 'IGNORE'; -$SIG{CHLD} = \&reap; - -$SIG{PIPE} = sub { dbg('err', "Broken PIPE signal received"); }; -$SIG{IO} = sub { dbg('err', "SIGIO received"); }; -$SIG{WINCH} = $SIG{STOP} = $SIG{CONT} = 'IGNORE'; -$SIG{KILL} = 'DEFAULT'; # as if it matters.... - -# catch the rest with a hopeful message -for (keys %SIG) { - if (!$SIG{$_}) { -# dbg('chan', "Catching SIG $_"); - $SIG{$_} = sub { my $sig = shift; DXDebug::confess("Caught signal $sig"); }; +unless ($^O =~ /^MS/) { + unless ($DB::VERSION) { + $SIG{INT} = \&cease; + $SIG{TERM} = \&cease; + } + $SIG{HUP} = 'IGNORE'; + $SIG{CHLD} = sub { $zombies++ }; + + $SIG{PIPE} = sub { dbg('err', "Broken PIPE signal received"); }; + $SIG{IO} = sub { dbg('err', "SIGIO received"); }; + $SIG{WINCH} = $SIG{STOP} = $SIG{CONT} = 'IGNORE'; + $SIG{KILL} = 'DEFAULT'; # as if it matters.... + + # catch the rest with a hopeful message + for (keys %SIG) { + if (!$SIG{$_}) { + # dbg('chan', "Catching SIG $_"); + $SIG{$_} = sub { my $sig = shift; DXDebug::confess("Caught signal $sig"); }; + } } } @@ -366,9 +387,8 @@ Spot->init(); dbg('err', "reading in duplicate spot and WWV info ..."); DXProt->init(); - # put in a DXCluster node for us here so we can add users and take them away -DXNode->new(0, $mycall, 0, 1, $DXProt::myprot_version); +DXNode->new($DXProt::me, $mycall, 0, 1, $DXProt::myprot_version); # read in any existing message headers and clean out old crap dbg('err', "reading existing message headers ..."); @@ -399,19 +419,17 @@ dbg('err', "orft we jolly well go ..."); #open(DB::OUT, "|tee /tmp/aa"); for (;;) { - my $timenow; # $DB::trace = 1; - Msg->event_loop(1, 0.1); - $timenow = time; + Msg->event_loop(10, 0.010); + my $timenow = time; process_inqueue(); # read in lines from the input queue and despatch them # $DB::trace = 0; # do timed stuff, ongoing processing happens one a second if ($timenow != $systime) { + reap if $zombies; $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