X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2Fcluster.pl;h=6cdd417d16ccf2b4cfabf8fcf7fed20ca6a5e907;hb=16b2be4021cdd3ee9ea028dd72ce971246ca38cb;hp=d2ae39d2b7c6fb21abd980108a030b60e2dab8f8;hpb=59f80532f10bf3101b954ed30069f55b95476984;p=spider.git

diff --git a/perl/cluster.pl b/perl/cluster.pl
index d2ae39d2..6cdd417d 100755
--- a/perl/cluster.pl
+++ b/perl/cluster.pl
@@ -1,4 +1,4 @@
-#!/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.
@@ -14,6 +14,8 @@ 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 $ENV{'DXSPIDER_ROOT'};
@@ -21,8 +23,19 @@ BEGIN {
 	unshift @INC, "$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
+	$lockfn = "$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;
@@ -44,15 +57,25 @@ use Prefix;
 use Bands;
 use Geomag;
 use CmdAlias;
-use Carp;
+use Filter;
+use DXDb;
+use AnnTalk;
+use WCY;
+
+use Data::Dumper;
+use Fcntl ':flock'; 
+
+use Local;
 
 package main;
 
 @inqueue = ();					# the main input queue, an array of hashes
 $systime = 0;					# the time now (in seconds)
-$version = "1.16";				# the version no of the software
+$version = "1.43";				# 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
 {
@@ -71,6 +94,8 @@ sub already_conn
 	sleep(1);
 	dbg('chan', "-> Z $call bye\n");
 	$conn->send_now("Z$call|bye"); # this will cause 'client' to disconnect
+	sleep(1);
+	$conn->disconnect();
 }
 
 # handle incoming messages
@@ -79,30 +104,47 @@ 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;
+	if (!defined $msg || (defined $err && $err)) {
+		if ($dxchan) {
+			if (defined $err) {
+				$conn->disconnect;
+				undef $conn;
+				$dxchan->conn(undef);
+			}
+			$dxchan->disconnect;
+		} elsif ($conn) {
+			$conn->disconnect;
+		}
 		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 elsewhere in the cluster (and not a cluster)
+		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->sort eq 'A' || $call eq $myalias) && !DXCluster->get_exact($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', $call);
+				if (DXCluster->get_exact($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
 		} else {
-			if (DXCluster->get($call)) {
+			if (DXCluster->get_exact($call)) {
 				my $mess = DXM::msg($lang, 'conother', $call);
 				already_conn($conn, $call, $mess);
 				return;
@@ -118,8 +160,9 @@ sub rec
 		}
 
 		# 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;
 	}
 	
@@ -141,17 +184,60 @@ sub login
 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()) {
+		next unless $dxchan->is_node;
 		disconnect($dxchan) 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;
+	}
+	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();
+
+	# close all databases
+	DXDb::closeall;
+	
+	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
 {
+	$SIG{'CHLD'} = \&reap;
 	my $cpid = wait;
+	@outstanding_connects = grep {$_->{pid} != $cpid} @outstanding_connects;
 }
 
 # this is where the input queue is dealt with and things are dispatched off to other parts of
@@ -163,23 +249,29 @@ sub process_inqueue
 	
 	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;
 	
+	# translate any crappy characters into hex characters 
+	if ($line =~ /[\x00-\x06\x08\x0a-\x1f\x7f-\xff]/o) {
+		$line =~ s/([\x00-\x1f\x7f-\xff])/uc sprintf("%%%02x",ord($1))/eg;
+	}
+
 	# 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');
 	} elsif ($sort eq 'Z') {
+		$dxchan->conn(undef);
 		disconnect($dxchan);
 	} elsif ($sort eq 'D') {
 		;                       # ignored (an echo)
@@ -207,6 +299,7 @@ sub uptime
 $starttime = $systime = time;
 
 # open the debug file, set various FHs to be unbuffered
+dbginit();
 foreach (@debug) {
 	dbgadd($_);
 }
@@ -215,29 +308,42 @@ STDOUT->autoflush(1);
 Log('cluster', "DXSpider V$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) 1998-2000 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";
+dbg('err', "starting listener ...");
 Msg->new_server("$clusteraddr", $clusterport, \&login);
 
 # prime some signals
-$SIG{'INT'} = \&cease;
-$SIG{'TERM'} = \&cease;
-$SIG{'HUP'} = 'IGNORE';
-$SIG{'CHLD'} = \&reap;
+$SIG{INT} = \&cease;
+$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");  }; 
+	}
+}
 
 # read in system messages
 DXM->init();
@@ -247,12 +353,13 @@ CmdAlias->init();
 
 # initialise the Geomagnetic data engine
 Geomag->init();
+WCY->init();
 
 # initial the Spot stuff
 Spot->init();
 
 # initialise the protocol engine
-print "reading in duplicate spot and WWV info ...\n";
+dbg('err', "reading in duplicate spot and WWV info ...");
 DXProt->init();
 
 
@@ -260,21 +367,41 @@ DXProt->init();
 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";
+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);
+#	$DB::trace = 1;
+	
+	Msg->event_loop(1, 0.1);
 	$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) {
@@ -285,10 +412,19 @@ for (;;) {
 		DXCommandmode::process(); # process ongoing command mode stuff
 		DXProt::process();		# process ongoing ak1a pcxx stuff
 		DXConnect::process();
+		DXMsg::process();
+		DXDb::process();
+		DXUser::process();
+		eval { 
+			Local::process();       # do any localised processing
+		};
+		dbg('local', "Local::process error $@") if $@;
 	}
 	if ($decease) {
 		last if --$decease <= 0;
 	}
 }
+cease(0);
+exit(0);