X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2Fcluster.pl;h=36c2f8bd027005b8ae6a16db4cfba6fe5d1e2477;hb=0e84728de35d2dadbb9d624614a471b68ae9eef6;hp=49bd016cd42a3781f365181f02a876bf93416a56;hpb=61cdf7dc2b72c1898850a4d2aa403d712f22f8ee;p=spider.git

diff --git a/perl/cluster.pl b/perl/cluster.pl
index 49bd016c..36c2f8bd 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;
@@ -44,17 +57,21 @@ use Prefix;
 use Bands;
 use Geomag;
 use CmdAlias;
+use Filter;
 use Local;
+use DXDb;
+use Fcntl ':flock'; 
 
-use Carp;
+use Carp qw(cluck);
 
 package main;
 
 @inqueue = ();					# the main input queue, an array of hashes
 $systime = 0;					# the time now (in seconds)
-$version = "1.20";				# the version no of the software
+$version = "1.35";				# the version no of the software
 $starttime = 0;                 # the starting time of the cluster   
- 
+$lockfn = "cluster.lock";       # lock file name
+      
 # handle disconnections
 sub disconnect
 {
@@ -73,6 +90,8 @@ 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
@@ -89,9 +108,16 @@ sub rec
 	# 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 to me ? 
+		my $user = DXUser->get($call);
+		if (DXChannel->get($call)) {
+			my $mess = DXM::msg($lang, $user->sort eq 'A' ? 'concluster' : 'conother', $call);
+			already_conn($conn, $call, $mess);
+			return;
+		}
 		
 		# is there one already connected elsewhere in the cluster (and not a cluster)
-		my $user = DXUser->get($call);
 		if ($user) {
 			if (($user->sort eq 'A' || $call eq $myalias) && !DXCluster->get_exact($call)) {
 				;
@@ -143,16 +169,55 @@ sub login
 sub cease
 {
 	my $dxchan;
+
+	$SIG{'TERM'} = 'IGNORE';
+	$SIG{'INT'} = 'IGNORE';
 	
 	eval {
 		Local::finish();   # end local processing
 	};
 	dbg('local', "Local::finish error $@") if $@;
-	
+
+	# disconnect users
 	foreach $dxchan (DXChannel->get_all()) {
+		next if $dxchan->is_ak1a;
 		disconnect($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 nodes
+	foreach $dxchan (DXChannel->get_all()) {
+		next unless $dxchan->is_ak1a;
+		disconnect($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);
+	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);
 }
 
@@ -172,21 +237,28 @@ sub process_inqueue
 	
 	my $data = $self->{data};
 	my $dxchan = $self->{dxchan};
-	my ($sort, $call, $line) = $data =~ /^(\w)(\S+)\|(.*)$/;
+	my ($sort, $call, $line) = $data =~ /^(\w)([A-Z0-9\-]+)\|(.*)$/;
+	my $error;
+	
+	# the above regexp must work
+	return unless ($sort && $call && $line);
+	
+	# translate any crappy characters into hex characters 
+	if ($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 ($sort eq 'Z') {
 		disconnect($dxchan);
@@ -216,6 +288,7 @@ sub uptime
 $starttime = $systime = time;
 
 # open the debug file, set various FHs to be unbuffered
+dbginit();
 foreach (@debug) {
 	dbgadd($_);
 }
@@ -236,7 +309,7 @@ Bands::load();
 
 # initialise User file system
 print "loading user file system ...\n"; 
-DXUser->init($userfn);
+DXUser->init($userfn, 1);
 
 # start listening for incoming messages/connects
 print "starting listener ...\n";
@@ -277,6 +350,10 @@ DXMsg::clean_old();
 print "reading cron jobs ...\n";
 DXCron->init();
 
+# read in database descriptors
+print "reading database descriptors ...\n";
+DXDb::load();
+
 # starting local stuff
 print "doing local initialisation ...\n";
 eval {
@@ -284,16 +361,15 @@ eval {
 };
 dbg('local', "Local::init error $@") if $@;
 
-
-
 # print various flags
 #print "useful info - \$^D: $^D \$^W: $^W \$^S: $^S \$^P: $^P\n";
 
 # this, such as it is, is the main loop!
 print "orft we jolly well go ...\n";
+dbg('chan', "DXSpider version $version started...");
 for (;;) {
 	my $timenow;
-	Msg->event_loop(1, 0.001);
+	Msg->event_loop(1, 0.1);
 	$timenow = time;
 	process_inqueue();			# read in lines from the input queue and despatch them
 	
@@ -306,6 +382,8 @@ for (;;) {
 		DXCommandmode::process(); # process ongoing command mode stuff
 		DXProt::process();		# process ongoing ak1a pcxx stuff
 		DXConnect::process();
+		DXMsg::process();
+		DXDb::process();
 		eval { 
 			Local::process();       # do any localised processing
 		};
@@ -315,5 +393,7 @@ for (;;) {
 		last if --$decease <= 0;
 	}
 }
+cease(0);
+exit(0);