-#!/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.
# make sure that modules are searched in the order local then perl
BEGIN {
+ 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";
-# require Exporter;
-# $Exporter::Verbose = 1;
+ # try to create and lock a lockfile (this isn't atomic but
+ # should do for now
+ my $lockfn = "$root/perl/cluster.lock"; # 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;
}
use Msg;
+use IntMsg;
+use ExtMsg;
use DXVars;
use DXDebug;
use DXLog;
use Bands;
use Geomag;
use CmdAlias;
-use Carp;
+use Filter;
+use DXDb;
+use AnnTalk;
+use WCY;
+use DXDupe;
+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
+# $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 = "1.13"; # the version no of the software
+$version = "1.47"; # 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;
- $dxchan->disconnect();
-}
+$lockfn = "cluster.lock"; # lock file name
+#@outstanding_connects = (); # list of outstanding connects
+@listeners = (); # list of listeners
+
# send a message to call on conn and disconnect
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(2);
+ $conn->disconnect;
+}
+
+sub error_handler
+{
+ my $dxchan = shift;
+ $dxchan->disconnect;
}
# handle incoming messages
sub rec
{
- my ($conn, $msg, $err) = @_;
+ my ($conn, $msg) = @_;
my $dxchan = DXChannel->get_by_cnum($conn); # get the dxconnnect object for this message
+ my ($sort, $call, $line) = DXChannel::decode_input(0, $msg);
+ return unless defined $sort;
- 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
+ # set up the basic channel info
if (!defined $dxchan) {
- my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/;
-
- # is there one already connected elsewhere in the cluster (and not a cluster)
+
+ # is there one already connected to me - locally?
my $user = DXUser->get($call);
+ if ($sort ne 'O' && Msg->conns($call)) {
+ my $mess = DXM::msg($lang, ($user && $user->is_node) ? 'concluster' : 'conother', $call, $main::mycall);
+ already_conn($conn, $call, $mess);
+ return;
+ }
+
+ # is there one already connected elsewhere in the cluster?
if ($user) {
- if (($user->sort eq 'A' || $call == $myalias) && !DXCluster->get_exact($call)) {
+ if (($user->is_node || $call eq $myalias) && !DXCluster->get_exact($call)) {
;
} else {
- if (DXCluster->get($call) || DXChannel->get($call)) {
- my $mess = DXM::msg($lang, $user->sort eq 'A' ? 'concluster' : '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->{lang} = $main::lang if !$user->{lang}; # to autoupdate old systems
} else {
- if (DXCluster->get($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, $mess);
return;
}
# is he locked out ?
if ($user->lockout) {
Log('DXCommand', "$call is locked out, disconnected");
- $conn->send_now("Z$call|bye"); # this will cause 'client' to disconnect
+ $conn->disconnect;
return;
}
+ # mark him up
+ $conn->conns($call) unless $sort eq 'O';
+ $conn->set_error(sub {error_handler($dxchan)});
+
# 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');
+ $dxchan = DXCommandmode->new($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;
}
sub cease
{
my $dxchan;
+
+ $SIG{'TERM'} = 'IGNORE';
+ $SIG{'INT'} = 'IGNORE';
+
+ DXUser::sync;
+
+ eval {
+ Local::finish(); # end local processing
+ };
+ dbg('local', "Local::finish error $@") if $@;
+
+ # disconnect nodes
foreach $dxchan (DXChannel->get_all()) {
- disconnect($dxchan) unless $dxchan == $DXProt::me;
+ next unless $dxchan->is_node;
+ $dxchan->disconnect unless $dxchan == $DXProt::me;
+ }
+ Msg->event_loop(1, 0.05);
+ Msg->event_loop(1, 0.05);
+
+ # disconnect users
+ foreach $dxchan (DXChannel->get_all()) {
+ next if $dxchan->is_node;
+ $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);
+ DXUser::finish();
+ DXDupe::finish();
+
+ # 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();
+ Logclose();
+ unlink $lockfn;
+# $SIG{__WARN__} = $SIG{__DIE__} = sub {my $a = shift; cluck($a); };
exit(0);
}
# the reaper of children
sub reap
{
- my $cpid = wait;
+ 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
my $data = $self->{data};
my $dxchan = $self->{dxchan};
- my ($sort, $call, $line) = $data =~ /^(\w)(\S+)\|(.*)$/;
+ 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('chan', "<- $sort $call $line\n") unless $sort eq 'D';
-
+
# 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);
-
- disconnect($dxchan) if ($dxchan->{state} eq 'bye');
+ $dxchan->disconnect if ($dxchan->{state} eq 'bye');
} elsif ($sort eq 'Z') {
- disconnect($dxchan);
+ $dxchan->conn(undef);
+ $dxchan->disconnect;
} elsif ($sort eq 'D') {
; # ignored (an echo)
} else {
#############################################################
$starttime = $systime = time;
+$lang = 'en' unless $lang;
# open the debug file, set various FHs to be unbuffered
+dbginit();
foreach (@debug) {
dbgadd($_);
}
Log('cluster', "DXSpider V$version started");
# banner
-print "DXSpider DX Cluster Version $version\nCopyright (c) 1998 Dirk Koopman G1TLH\n";
+dbg('err', "DXSpider DX Cluster Version $version", "Copyright (c) 1998-2001 Dirk Koopman G1TLH");
# load Prefixes
-print "loading prefixes ...\n";
+dbg('err', "loading prefixes ...");
Prefix::load();
# load band data
-print "loading band data ...\n";
+dbg('err', "loading band data ...");
Bands::load();
# initialise User file system
-print "loading user file system ...\n";
-DXUser->init($userfn);
+dbg('err', "loading user file system ...");
+DXUser->init($userfn, 1);
# start listening for incoming messages/connects
-print "starting listener ...\n";
-Msg->new_server("$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';
-$SIG{'CHLD'} = \&reap;
+unless ($^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"); };
+ }
+ }
+}
+
+# start dupe system
+DXDupe::init();
# 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();
+WCY->init();
# initial the Spot stuff
Spot->init();
+# initialise the protocol engine
+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
-print "reading existing message headers\n";
+dbg('err', "reading existing message headers ...");
DXMsg->init();
DXMsg::clean_old();
# read in any cron jobs
-print "reading cron jobs\n";
+dbg('err', "reading cron jobs ...");
DXCron->init();
+# read in database descriptors
+dbg('err', "reading database descriptors ...");
+DXDb::load();
+
+# starting local stuff
+dbg('err', "doing local initialisation ...");
+eval {
+ Local::init();
+};
+dbg('local', "Local::init error $@") if $@;
+
+# print various flags
+#dbg('err', "seful info - \$^D: $^D \$^W: $^W \$^S: $^S \$^P: $^P");
+
# this, such as it is, is the main loop!
-print "orft we jolly well go ...\n";
+dbg('err', "orft we jolly well go ...");
+
+#open(DB::OUT, "|tee /tmp/aa");
+
for (;;) {
- my $timenow;
- Msg->event_loop(1, 0.001);
- $timenow = time;
+# $DB::trace = 1;
+
+ Msg->event_loop(10, 0.001);
+ 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
DXConnect::process();
+ DXMsg::process();
+ DXDb::process();
+ DXUser::process();
+ DXDupe::process();
+
+ eval {
+ Local::process(); # do any localised processing
+ };
+ dbg('local', "Local::process error $@") if $@;
}
if ($decease) {
last if --$decease <= 0;
}
}
+cease(0);
+exit(0);
projects / spider.git / blobdiff