-#!/usr/bin/perl
+#!/usr/bin/perl -w
#
# 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.
# $Id$
#
+require 5.004;
+
# make sure that modules are searched in the order local then perl
BEGIN {
- unshift @INC, '/spider/perl'; # this IS the right way round!
- unshift @INC, '/spider/local';
+ umask 002;
+
+ # 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";
+
+ # try to create and lock a lockfile (this isn't atomic but
+ # should do for now
+ $lockfn = "$root/perl/cluster.lck"; # lock file name
+ if (-e $lockfn) {
+ open(CLLOCK, "$lockfn") or die "Can't open Lockfile ($lockfn) $!";
+ my $pid = <CLLOCK>;
+ chomp $pid;
+ die "Lockfile ($lockfn) and process $pid exist, another cluster running?" if kill 0, $pid;
+ close CLLOCK;
+ }
+ open(CLLOCK, ">$lockfn") or die "Can't open Lockfile ($lockfn) $!";
+ print CLLOCK "$$\n";
+ close CLLOCK;
+
+ $is_win = ($^O =~ /^MS/ || $^O =~ /^OS-2/) ? 1 : 0; # is it Windows?
+ $systime = time;
}
-use Msg;
use DXVars;
+use Msg;
+use IntMsg;
+use Internet;
+use Listeners;
+use ExtMsg;
+use AGWConnect;
+use AGWMsg;
+use DXDebug;
+use DXLog;
+use DXLogPrint;
use DXUtil;
use DXChannel;
use DXUser;
use DXM;
use DXCommandmode;
+use DXProtVars;
+use DXProtout;
use DXProt;
-use DXCluster;
-use DXDebug;
+use DXMsg;
+use DXCron;
+use DXConnect;
+use DXBearing;
+use DXDb;
+use DXHash;
+use DXDupe;
use Prefix;
+use Spot;
+use Bands;
+use Keps;
+use Minimuf;
+use Sun;
+use Geomag;
+use CmdAlias;
+use Filter;
+use AnnTalk;
+use BBS;
+use WCY;
+use BadWords;
+use Timer;
+use Route;
+use Route::Node;
+use Route::User;
+
+use Data::Dumper;
+use IO::File;
+use Fcntl ':flock';
+use POSIX ":sys_wait_h";
+
+use Local;
package main;
-@inqueue = (); # the main input queue, an array of hashes
-$systime = 0; # the time now (in seconds)
+use strict;
+use vars qw(@inqueue $systime $version $starttime $lockfn @outstanding_connects
+ $zombies $root @listeners $lang $myalias @debug $userfn $clusteraddr
+ $clusterport $mycall $decease $is_win $routeroot
+ );
-# handle disconnections
-sub disconnect
+@inqueue = (); # the main input queue, an array of hashes
+$systime = 0; # the time now (in seconds)
+$version = "1.48"; # the version no of the software
+$starttime = 0; # the starting time of the cluster
+#@outstanding_connects = (); # list of outstanding connects
+@listeners = (); # list of listeners
+
+use vars qw($VERSION $BRANCH $build $branch);
+$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
+$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0;
+$main::build += 15; # add an offset to make it bigger than last system
+$main::build += $VERSION;
+$main::branch += $BRANCH;
+
+
+# send a message to call on conn and disconnect
+sub already_conn
+{
+ my ($conn, $call, $mess) = @_;
+
+ $conn->disable_read(1);
+ dbg("-> D $call $mess\n") if isdbg('chan');
+ $conn->send_now("D$call|$mess");
+ sleep(2);
+ $conn->disconnect;
+}
+
+sub error_handler
{
- my $dxchan = shift;
- return if !defined $dxchan;
- my $user = $dxchan->{user};
- my $conn = $dxchan->{conn};
- $dxchan->finish();
- $user->close() if defined $user;
- $conn->disconnect() if defined $conn;
- $dxchan->del();
+ 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, $msg) = @_;
+ my ($sort, $call, $line) = DXChannel::decode_input(0, $msg);
+ return unless defined $sort;
+
+ # 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, $mess);
+ return;
+ }
+
+ if ($user) {
+ $user->{lang} = $main::lang if !$user->{lang}; # to autoupdate old systems
+ } else {
+ $user = DXUser->new($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, $msg);
+}
+
+sub rec
{
- my ($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('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?
- if (DXCluster->get($call)) {
- my $mess = DXM::msg('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;
- }
-
- my $user = DXUser->get($call);
- if (!defined $user) {
- $user = DXUser->new($call);
- }
-
- # 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, $self;
- }
+ my ($dxchan, $conn, $msg) = @_;
+
+ # 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 \&new_channel;
}
# cease running this program, close down all the connections nicely
sub cease
{
- my $dxchan;
- foreach $dxchan (DXChannel->get_all()) {
- disconnect($dxchan);
- }
- exit(0);
+ my $dxchan;
+
+ unless ($is_win) {
+ $SIG{'TERM'} = 'IGNORE';
+ $SIG{'INT'} = 'IGNORE';
+ }
+
+ DXUser::sync;
+
+ eval {
+ Local::finish(); # end local processing
+ };
+ dbg("Local::finish error $@") if $@;
+
+ # disconnect nodes
+ foreach $dxchan (DXChannel->get_all_nodes) {
+ $dxchan->disconnect(2) unless $dxchan == $DXProt::me;
+ }
+ Msg->event_loop(100, 0.01);
+
+ # disconnect users
+ foreach $dxchan (DXChannel->get_all_users) {
+ $dxchan->disconnect;
+ }
+
+ # disconnect AGW
+ AGWMsg::finish();
+
+ # end everything else
+ Msg->event_loop(100, 0.01);
+ DXUser::finish();
+ DXDupe::finish();
+
+ # close all databases
+ DXDb::closeall;
+
+ # close all listeners
+ foreach my $l (@listeners) {
+ $l->close_server;
+ }
+
+ dbg("DXSpider version $version, build $build ended") if isdbg('chan');
+ Log('cluster', "DXSpider V$version, build $build ended");
+ dbgclose();
+ Logclose();
+ unlink $lockfn;
+# $SIG{__WARN__} = $SIG{__DIE__} = sub {my $a = shift; cluck($a); };
+ exit(0);
+}
+
+# the reaper of children
+sub reap
+{
+ my $cpid;
+ while (($cpid = waitpid(-1, WNOHANG)) > 0) {
+ dbg("cpid: $cpid") if isdbg('reap');
+# Msg->pid_gone($cpid);
+ $zombies-- if $zombies > 0;
+ }
+ dbg("cpid: $cpid") if isdbg('reap');
}
# 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?)
- dbg('chan', "<- $sort $call $line\n");
-
- # handle A records
- my $user = $dxchan->user;
- if ($sort eq 'A') {
- $dxchan->start($line);
- } elsif ($sort eq 'D') {
- die "\$user not defined for $call" if !defined $user;
- $dxchan->normal($line);
- 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";
- }
+ my $self = shift @inqueue;
+ return if !$self;
+
+ my $data = $self->{data};
+ my $dxchan = $self->{dxchan};
+ my $error;
+ my ($sort, $call, $line) = DXChannel::decode_input($dxchan, $data);
+ return unless defined $sort;
+
+ # do the really sexy console interface bit! (Who is going to do the TK interface then?)
+ dbg("<- $sort $call $line\n") if $sort ne 'D' && isdbg('chan');
+
+ # handle A records
+ my $user = $dxchan->user;
+ if ($sort eq 'A' || $sort eq 'O') {
+ $dxchan->start($line, $sort);
+ } elsif ($sort eq 'I') {
+ die "\$user not defined for $call" if !defined $user;
+ # normal input
+ $dxchan->normal($line);
+ $dxchan->disconnect if ($dxchan->{state} eq 'bye');
+ } elsif ($sort eq 'Z') {
+ $dxchan->disconnect;
+ } elsif ($sort eq 'D') {
+ ; # ignored (an echo)
+ } elsif ($sort eq 'G') {
+ $dxchan->enhanced($line);
+ } 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, $mins;
+}
+
+sub AGWrestart
+{
+ AGWMsg::init(\&new_channel);
}
#############################################################
#
#############################################################
+$starttime = $systime = time;
+$lang = 'en' unless $lang;
+
# open the debug file, set various FHs to be unbuffered
-dbginit($debugfn);
-foreach(@debug) {
- dbgadd($_);
+dbginit(\&DXCommandmode::broadcast_debug);
+foreach (@debug) {
+ dbgadd($_);
}
STDOUT->autoflush(1);
+# calculate build number
+$build += $main::version;
+$build = "$build.$branch" if $branch;
+
+Log('cluster', "DXSpider V$version, build $build started");
+
+# banner
+dbg("Copyright (c) 1998-2001 Dirk Koopman G1TLH");
+dbg("DXSpider Version $version, build $build started");
+
# load Prefixes
+dbg("loading prefixes ...");
Prefix::load();
+# load band data
+dbg("loading band data ...");
+Bands::load();
+
# initialise User file system
-DXUser->init($userfn);
+dbg("loading user file system ...");
+DXUser->init($userfn, 1);
# start listening for incoming messages/connects
-Msg->new_server("$clusteraddr", $clusterport, \&login);
+dbg("starting listeners ...");
+my $conn = IntMsg->new_server($clusteraddr, $clusterport, \&login);
+$conn->conns("Server $clusteraddr/$clusterport");
+push @listeners, $conn;
+dbg("Internal port: $clusteraddr $clusterport");
+foreach my $l (@main::listen) {
+ $conn = ExtMsg->new_server($l->[0], $l->[1], \&login);
+ $conn->conns("Server $l->[0]/$l->[1]");
+ push @listeners, $conn;
+ dbg("External Port: $l->[0] $l->[1]");
+}
+AGWrestart();
+
+# load bad words
+dbg("load badwords: " . (BadWords::load or "Ok"));
# prime some signals
-$SIG{'INT'} = \&cease;
-$SIG{'TERM'} = \&cease;
-$SIG{'HUP'} = 'IGNORE';
+unless ($DB::VERSION) {
+ $SIG{INT} = $SIG{TERM} = sub { $decease = 1 };
+}
+
+unless ($is_win) {
+ $SIG{HUP} = 'IGNORE';
+ $SIG{CHLD} = sub { $zombies++ };
+
+ $SIG{PIPE} = sub { dbg("Broken PIPE signal received"); };
+ $SIG{IO} = sub { dbg("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("Catching SIG $_") if isdbg('chan');
+ $SIG{$_} = sub { my $sig = shift; DXDebug::confess("Caught signal $sig"); };
+ }
+ }
+}
+
+# start dupe system
+DXDupe::init();
+
+# read in system messages
+DXM->init();
+
+# read in command aliases
+CmdAlias->init();
+
+# initialise the Geomagnetic data engine
+Geomag->init();
+WCY->init();
+
+# initial the Spot stuff
+Spot->init();
# initialise the protocol engine
+dbg("reading in duplicate spot and WWV info ...");
DXProt->init();
+# put in a DXCluster node for us here so we can add users and take them away
+$routeroot = Route::Node->new($mycall, $version*100+5300, Route::here($DXProt::me->here)|Route::conf($DXProt::me->conf));
+
+# make sure that there is a routing OUTPUT node default file
+#unless (Filter::read_in('route', 'node_default', 0)) {
+# my $dxcc = $DXProt::me->dxcc;
+# $Route::filterdef->cmd($DXProt::me, 'route', 'accept', "node_default call $mycall" );
+#}
+
+# read in any existing message headers and clean out old crap
+dbg("reading existing message headers ...");
+DXMsg->init();
+DXMsg::clean_old();
+
+# read in any cron jobs
+dbg("reading cron jobs ...");
+DXCron->init();
+
+# read in database descriptors
+dbg("reading database descriptors ...");
+DXDb::load();
+
+# starting local stuff
+dbg("doing local initialisation ...");
+eval {
+ Local::init();
+};
+dbg("Local::init error $@") if $@;
+
+dbg("cleaning out old debug files");
+DXDebug::dbgclean();
+
+# print various flags
+#dbg("seful info - \$^D: $^D \$^W: $^W \$^S: $^S \$^P: $^P");
+
# this, such as it is, is the main loop!
+dbg("orft we jolly well go ...");
+
+#open(DB::OUT, "|tee /tmp/aa");
+
for (;;) {
- 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();
- DXCommandmode::process(); # process ongoing command mode stuff
- DXProt::process(); # process ongoing ak1a pcxx stuff
- }
+# $DB::trace = 1;
+
+ 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;
+ DXCron::process(); # do cron jobs
+ DXCommandmode::process(); # process ongoing command mode stuff
+ DXProt::process(); # process ongoing ak1a pcxx stuff
+ DXConnect::process();
+ DXMsg::process();
+ DXDb::process();
+ DXUser::process();
+ DXDupe::process();
+ AGWMsg::process();
+
+ eval {
+ Local::process(); # do any localised processing
+ };
+ dbg("Local::process error $@") if $@;
+ }
+ if ($decease) {
+ last if --$decease <= 0;
+ }
}
+cease(0);
+exit(0);
+
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