X-Git-Url: http://gb7djk.dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2Fcluster.pl;h=49bd016cd42a3781f365181f02a876bf93416a56;hb=a6e52cc1680c2c30ef874e2e6c16d00c956624ee;hp=bdd1f7d9c2020b5252be34f54d9cddf736488459;hpb=f46017e7bef9ee062cd5a8648d214eabe585da25;p=spider.git

diff --git a/perl/cluster.pl b/perl/cluster.pl
index bdd1f7d9..6ac7a3fb 100755
--- a/perl/cluster.pl
+++ b/perl/cluster.pl
@@ -1,127 +1,312 @@
-#!/usr/bin/perl
+#!/usr/bin/perl -w
 #
-# 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
 #
 # $Id$
 # 
 
+require 5.004;
+
+# 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";
+
+	# 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 IntMsg;
+use ExtMsg;
+use AGWMsg;
 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 Filter;
+use DXDb;
+use AnnTalk;
+use WCY;
+use DXDupe;
+use BadWords;
+
+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 $build $is_win
+		   );
 
-# handle disconnections
-sub disconnect
+@inqueue = ();					# the main input queue, an array of hashes
+$systime = 0;					# the time now (in seconds)
+$version = "1.47";				# the version no of the software
+$starttime = 0;                 # the starting time of the cluster   
+#@outstanding_connects = ();     # list of outstanding connects
+@listeners = ();				# list of listeners
+
+      
+# send a message to call on conn and disconnect
+sub already_conn
 {
-  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;
-  $dxchan->del();
+	my ($conn, $call, $mess) = @_;
+	
+	dbg('chan', "-> D $call $mess\n"); 
+	$conn->send_now("D$call|$mess");
+	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
-  
-  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, $msg) = @_;
+	my ($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, $mess);
+		return;
+	}
+	
+	# is there one already connected elsewhere in the cluster?
+	if ($user) {
+		if (($user->is_node || $call eq $myalias) && !DXCluster->get_exact($call)) {
+			;
+		} else {
+			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 (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->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";
+		$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;
+
+	$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()) {
+		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;
+	}
+
+	# disconnect AGW
+	AGWMsg::finish();
+	
+	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, build $build ended");
+	Log('cluster', "DXSpider V$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('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
 # 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 $error;
+	my ($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);
+		$dxchan->disconnect if ($dxchan->{state} eq 'bye');
+	} elsif ($sort eq 'Z') {
+		$dxchan->disconnect;
+	} elsif ($sort eq 'D') {
+		;                       # ignored (an echo)
 	} else {
-	  $dxchan->user_normal($line);
+		print STDERR atime, " Unknown command letter ($sort) received from $call\n";
 	}
-  } elsif ($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;
+}
+
+sub AGWrestart
+{
+	AGWMsg::init(\&new_channel);
 }
 
 #############################################################
@@ -130,34 +315,178 @@ sub process_inqueue
 #
 #############################################################
 
+$starttime = $systime = time;
+$lang = 'en' unless $lang;
+
 # open the debug file, set various FHs to be unbuffered
-open(DEBUG, ">>$debugfn") or die "can't open $debugfn($!)";
-select DEBUG; $| = 1;
-select STDOUT; $| = 1;
+dbginit();
+foreach (@debug) {
+	dbgadd($_);
+}
+STDOUT->autoflush(1);
+
+# calculate build number
+$build = $main::version;
+
+if (opendir(DIR, "$main::root/perl")) {
+	my @d = readdir(DIR);
+	closedir(DIR);
+	foreach my $fn (@d) {
+		if ($fn =~ /^cluster\.pl$/ || $fn =~ /\.pm$/) {
+			my $f = new IO::File "$main::root/perl/$fn" or next;
+			while (<$f>) {
+				if (/^#\s+\$Id:\s+[\w\._]+,v\s+(\d+\.\d+)/ ) {
+					$build += $1;
+					last;
+				}
+			}
+			$f->close;
+		}
+	}
+}
+
+Log('cluster', "DXSpider V$version, build $build started");
+
+# banner
+dbg('err', "DXSpider Version $version, build $build started", "Copyright (c) 1998-2001 Dirk Koopman G1TLH");
+
+# load Prefixes
+dbg('err', "loading prefixes ...");
+Prefix::load();
+
+# load band data
+dbg('err', "loading band data ...");
+Bands::load();
 
 # initialise User file system
-DXUser->init($userfn);
+dbg('err', "loading user file system ..."); 
+DXUser->init($userfn, 1);
 
 # start listening for incoming messages/connects
-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]");
+}
+AGWrestart();
+
+# load bad words
+dbg('err', "load badwords: " . (BadWords::load or "Ok"));
 
 # prime some signals
-$SIG{'INT'} = \&cease;
-$SIG{'TERM'} = \&cease;
-$SIG{'HUP'} = 'IGNORE';
+unless ($is_win) {
+	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 $sig");  }; 
+		}
+	}
+}
+
+# start dupe system
+DXDupe::init();
+
+# read in system messages
+DXM->init();
+
+# read in command aliases
+CmdAlias->init();
+
+# initialise the Geomagnetic data engine
+Geomag->init();
+WCY->init();
+
+# initial the Spot stuff
+Spot->init();
+
+# initialise the protocol engine
+dbg('err', "reading in duplicate spot and WWV info ...");
+DXProt->init();
+
+# put in a DXCluster node for us here so we can add users and take them away
+DXNode->new($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 ...");
+DXMsg->init();
+DXMsg::clean_old();
+
+# read in any cron jobs
+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!
+dbg('err', "orft we jolly well go ...");
+
+#open(DB::OUT, "|tee /tmp/aa");
+
 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
+#	$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', "Local::process error $@") if $@;
+	}
+	if ($decease) {
+		last if --$decease <= 0;
+	}
 }
+cease(0);
+exit(0);
+