X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2Fcluster.pl;h=36c2f8bd027005b8ae6a16db4cfba6fe5d1e2477;hb=0e84728de35d2dadbb9d624614a471b68ae9eef6;hp=07c405038e68874dc70e94938ded9045a6903f5d;hpb=a0cf638d2ec10e9f464bb749cf1b70fd105baf9f;p=spider.git

diff --git a/perl/cluster.pl b/perl/cluster.pl
index 07c40503..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.
@@ -10,18 +10,39 @@
 # $Id$
 # 
 
+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.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 DXVars;
+use DXDebug;
+use DXLog;
+use DXLogPrint;
 use DXUtil;
 use DXChannel;
 use DXUser;
@@ -30,21 +51,27 @@ use DXCommandmode;
 use DXProt;
 use DXMsg;
 use DXCluster;
-use DXDebug;
 use DXCron;
 use DXConnect;
 use Prefix;
 use Bands;
 use Geomag;
 use CmdAlias;
-use Carp;
+use Filter;
+use Local;
+use DXDb;
+use Fcntl ':flock'; 
+
+use Carp qw(cluck);
 
 package main;
 
 @inqueue = ();					# the main input queue, an array of hashes
 $systime = 0;					# the time now (in seconds)
-$version = 1.3;					# 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
 {
@@ -53,6 +80,20 @@ sub disconnect
 	$dxchan->disconnect();
 }
 
+# send a message to call on conn and disconnect
+sub already_conn
+{
+	my ($conn, $call, $mess) = @_;
+	
+	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(1);
+	$conn->disconnect;
+}
+
 # handle incoming messages
 sub rec
 {
@@ -67,37 +108,43 @@ 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?
+
+                # is there one already connected to me ? 
+		my $user = DXUser->get($call);
 		if (DXChannel->get($call)) {
-			my $mess = DXM::msg($lang, '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
+			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?
-		if (DXCluster->get($call)) {
-			my $mess = DXM::msg($lang, 'concluster', $call);
-			dbg('chan', "-> D $call $mess\n"); 
-			$conn->send_now("D$call|$mess");
-			sleep(1);
-			dbg('chan', "-> Z $call bye\n");
+		# is there one already connected elsewhere in the cluster (and not a cluster)
+		if ($user) {
+			if (($user->sort eq 'A' || $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', $call);
+					already_conn($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', $call);
+				already_conn($conn, $call, $mess);
+				return;
+			}
+			$user = DXUser->new($call);
+		}
+
+		# is he locked out ?
+		if ($user->lockout) {
+			Log('DXCommand', "$call is locked out, disconnected");
 			$conn->send_now("Z$call|bye"); # this will cause 'client' to disconnect
 			return;
 		}
-		
-		my $user = DXUser->get($call);
-		if (!defined $user) {
-			$user = DXUser->new($call);
-		} else {
-			$user->{lang} = $main::lang if !$user->{lang}; # to autoupdate old systems
-		}
-		
-		
+
 		# 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');
@@ -122,12 +169,65 @@ 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 $dxchan (DXChannel->get_all()) {
-		disconnect($dxchan);
+		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);
 }
 
+# the reaper of children
+sub reap
+{
+	$SIG{'CHLD'} = \&reap;
+	my $cpid = wait;
+}
+
 # this is where the input queue is dealt with and things are dispatched off to other parts of
 # the cluster
 sub process_inqueue
@@ -137,42 +237,65 @@ 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;
 	
-	# do the really sexy console interface bit! (Who is going to do the TK interface then?)
-	dbg('chan', "<- $sort $call $line\n");
+	# the above regexp must work
+	return unless ($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') {
-		$dxchan->start($line);  
-	} elsif ($sort eq 'D') {
+	if ($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);
+	} elsif ($sort eq 'D') {
+		;                       # ignored (an echo)
 	} else {
 		print STDERR atime, " Unknown command letter ($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;
+}
 #############################################################
 #
 # The start of the main line of code 
 #
 #############################################################
 
+$starttime = $systime = time;
+
 # open the debug file, set various FHs to be unbuffered
-dbginit($debugfn);
+dbginit();
 foreach (@debug) {
 	dbgadd($_);
 }
 STDOUT->autoflush(1);
 
+Log('cluster', "DXSpider V$version started");
+
 # banner
 print "DXSpider DX Cluster Version $version\nCopyright (c) 1998 Dirk Koopman G1TLH\n";
 
@@ -186,7 +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";
@@ -196,6 +319,7 @@ Msg->new_server("$clusteraddr", $clusterport, \&login);
 $SIG{'INT'} = \&cease;
 $SIG{'TERM'} = \&cease;
 $SIG{'HUP'} = 'IGNORE';
+$SIG{'CHLD'} = \&reap;
 
 # read in system messages
 DXM->init();
@@ -203,31 +327,49 @@ DXM->init();
 # read in command aliases
 CmdAlias->init();
 
-# initialise the protocol engine
-DXProt->init();
-
 # initialise the Geomagnetic data engine
 Geomag->init();
 
 # initial the Spot stuff
 Spot->init();
 
+# initialise the protocol engine
+print "reading in duplicate spot and WWV info ...\n";
+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); 
 
-# read in any existing message headers
-print "reading existing message headers\n";
+# read in any existing message headers and clean out old crap
+print "reading existing message headers ...\n";
 DXMsg->init();
+DXMsg::clean_old();
 
 # read in any cron jobs
-print "reading cron jobs\n";
+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 {
+	Local::init();
+};
+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
 	
@@ -236,11 +378,22 @@ for (;;) {
 		$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
-		DXCron::process();
 		DXConnect::process();
+		DXMsg::process();
+		DXDb::process();
+		eval { 
+			Local::process();       # do any localised processing
+		};
+		dbg('local', "Local::process error $@") if $@;
+	}
+	if ($decease) {
+		last if --$decease <= 0;
 	}
 }
+cease(0);
+exit(0);