X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FMsg.pm;h=5aebab650caac475f3b05600ff2a2e7e3d46f35b;hb=d17f05b19fac36a0a8a2f828912a1a7ebefae79f;hp=d677b69248190567b4eb2031ec97ef067af54279;hpb=b8df30c344a8805053f889eda4fd17d85dca1b9e;p=spider.git

diff --git a/perl/Msg.pm b/perl/Msg.pm
index d677b692..5aebab65 100644
--- a/perl/Msg.pm
+++ b/perl/Msg.pm
@@ -5,25 +5,19 @@
 #
 # I have modified it to suit my devious purposes (Dirk Koopman G1TLH)
 #
-# $Id$
+#
 #
 
 package Msg;
 
 use strict;
 
-use vars qw($VERSION $BRANCH);
-$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
-$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0;
-$main::build += $VERSION;
-$main::branch += $BRANCH;
+use DXUtil;
 
-use IO::Select;
-use IO::Socket;
 use DXDebug;
 use Timer;
 
-use vars qw(%rd_callbacks %wt_callbacks %er_callbacks $rd_handles $wt_handles $er_handles $now %conns $noconns $blocking_supported $cnum);
+use vars qw(%rd_callbacks %wt_callbacks %er_callbacks $rd_handles $wt_handles $er_handles $now %conns $noconns $blocking_supported $cnum $total_in $total_out $io_socket);
 
 %rd_callbacks = ();
 %wt_callbacks = ();
@@ -31,31 +25,48 @@ use vars qw(%rd_callbacks %wt_callbacks %er_callbacks $rd_handles $wt_handles $e
 $rd_handles   = IO::Select->new();
 $wt_handles   = IO::Select->new();
 $er_handles   = IO::Select->new();
+$total_in = $total_out = 0;
 
 $now = time;
 
 BEGIN {
     # Checks if blocking is supported
     eval {
+		local $^W;
         require POSIX; POSIX->import(qw(O_NONBLOCK F_SETFL F_GETFL))
     };
+
+	eval {
+		local $^W;
+		require IO::Socket::INET6;
+	};
+
+	if ($@) {
+		dbg($@);
+		require IO::Socket;
+		$io_socket = 'IO::Socket::INET';
+	} else {
+		$io_socket = 'IO::Socket::INET6';
+	}
+	$io_socket->import;
+
 	if ($@ || $main::is_win) {
-#		print STDERR "POSIX Blocking *** NOT *** supported $@\n";
-		$blocking_supported = 0;
+		$blocking_supported = $io_socket->can('blocking') ? 2 : 0;
 	} else {
-		$blocking_supported = 1;
-#		print STDERR "POSIX Blocking enabled\n";
+		$blocking_supported = $io_socket->can('blocking') ? 2 : 1;
 	}
 
 
 	# import as many of these errno values as are available
 	eval {
+		local $^W;
 		require Errno; Errno->import(qw(EAGAIN EINPROGRESS EWOULDBLOCK));
 	};
 
 	unless ($^O eq 'MSWin32') {
 		if ($] >= 5.6) {
 			eval {
+				local $^W;
 				require Socket; Socket->import(qw(IPPROTO_TCP TCP_NODELAY));
 			};
 		} else {
@@ -68,12 +79,12 @@ BEGIN {
 	# defines EINPROGRESS as 10035.  We provide it here because some
 	# Win32 users report POSIX::EINPROGRESS is not vendor-supported.
 	if ($^O eq 'MSWin32') { 
-		eval '*EINPROGRESS = sub { 10036 };';
-		eval '*EWOULDBLOCK = *EAGAIN = sub { 10035 };';
-		eval '*F_GETFL     = sub {     0 };';
-		eval '*F_SETFL     = sub {     0 };';
-		eval '*IPPROTO_TCP     = sub {     6 };';
-		eval '*TCP_NODELAY     = sub {     1 };';
+		eval '*EINPROGRESS = sub { 10036 };' unless defined *EINPROGRESS;
+		eval '*EWOULDBLOCK = *EAGAIN = sub { 10035 };' unless defined *EWOULDBLOCK;
+		eval '*F_GETFL     = sub {     0 };' unless defined *F_GETFL;
+		eval '*F_SETFL     = sub {     0 };' unless defined *F_SETFL;
+		eval 'sub IPPROTO_TCP  {     6 };';
+		eval 'sub TCP_NODELAY  {     1 };';
 		$blocking_supported = 0;   # it appears that this DOESN'T work :-(
 	} 
 }
@@ -135,12 +146,8 @@ sub blocking
 	return unless $blocking_supported;
 
 	# Make the handle stop blocking, the Windows way.
-	if ($main::is_win) { 
-	  # 126 is FIONBIO (some docs say 0x7F << 16)
-		ioctl( $_[0],
-			   0x80000000 | (4 << 16) | (ord('f') << 8) | 126,
-			   "$_[1]"
-			 );
+	if ($blocking_supported) { 
+		$_[0]->blocking($_[1]);
 	} else {
 		my $flags = fcntl ($_[0], F_GETFL, 0);
 		if ($_[1]) {
@@ -185,6 +192,21 @@ sub pid_gone
 	}
 }
 
+sub ax25
+{
+	my $conn = shift;
+	return $conn->{csort} eq 'ax25';
+}
+
+sub peerhost
+{
+	my $conn = shift;
+	$conn->{peerhost} ||= 'ax25' if $conn->ax25;
+	$conn->{peerhost} ||= $conn->{sock}->peerhost if $conn->{sock} && $conn->{sock}->isa('IO::Socket::INET');
+	$conn->{peerhost} ||= 'UNKNOWN';
+	return $conn->{peerhost};
+}
+
 #-----------------------------------------------------------------
 # Send side routines
 sub connect {
@@ -199,23 +221,31 @@ sub connect {
 	$conn->{peerport} = $to_port;
 	$conn->{sort} = 'Outgoing';
 	
-    # Create a new internet socket
-    my $sock = IO::Socket::INET->new();
-    return undef unless $sock;
-	
-	my $proto = getprotobyname('tcp');
-	$sock->socket(AF_INET, SOCK_STREAM, $proto) or return undef;
-	
-	blocking($sock, 0);
-	$conn->{blocking} = 0;
+	my $sock;
+	if ($blocking_supported) {
+		$sock = $io_socket->new(PeerAddr => $to_host, PeerPort => $to_port, Proto => 'tcp', Blocking =>0) or return undef;
+	} else {
+		# Create a new internet socket
+		$sock = $io_socket->new();
+		return undef unless $sock;
+
+		my $proto = getprotobyname('tcp');
+		$sock->socket(AF_INET, SOCK_STREAM, $proto) or return undef;
 
-	my $ip = gethostbyname($to_host);
-#	my $r = $sock->connect($to_port, $ip);
-	my $r = connect($sock, pack_sockaddr_in($to_port, $ip));
-	return undef unless $r || _err_will_block($!);
+		blocking($sock, 0);
+		$conn->{blocking} = 0;
+
+		# does the host resolve?
+		my $ip = gethostbyname($to_host);
+		return undef unless $ip;
+
+		my $r = connect($sock, pack_sockaddr_in($to_port, $ip));
+		return undef unless $r || _err_will_block($!);
+	}
 	
 	$conn->{sock} = $sock;
-    
+	$conn->{peerhost} = $sock->peerhost;	# for consistency
+
     if ($conn->{rproc}) {
         my $callback = sub {$conn->_rcv};
         set_event_handler ($sock, read => $callback);
@@ -223,7 +253,57 @@ sub connect {
     return $conn;
 }
 
-sub disconnect {
+sub start_program
+{
+	my ($conn, $line, $sort) = @_;
+	my $pid;
+	
+	local $^F = 10000;		# make sure it ain't closed on exec
+	my ($a, $b) = $io_socket->socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC);
+	if ($a && $b) {
+		$a->autoflush(1);
+		$b->autoflush(1);
+		$pid = fork;
+		if (defined $pid) {
+			if ($pid) {
+				close $b;
+				$conn->{sock} = $a;
+				$conn->{csort} = $sort;
+				$conn->{lineend} = "\cM" if $sort eq 'ax25';
+				$conn->{pid} = $pid;
+				if ($conn->{rproc}) {
+					my $callback = sub {$conn->_rcv};
+					Msg::set_event_handler ($a, read => $callback);
+				}
+				dbg("connect $conn->{cnum}: started pid: $conn->{pid} as $line") if isdbg('connect');
+			} else {
+				$^W = 0;
+				dbgclose();
+				STDIN->close;
+				STDOUT->close;
+				STDOUT->close;
+				*STDIN = IO::File->new_from_fd($b, 'r') or die;
+				*STDOUT = IO::File->new_from_fd($b, 'w') or die;
+				*STDERR = IO::File->new_from_fd($b, 'w') or die;
+				close $a;
+				unless ($main::is_win) {
+					#						$SIG{HUP} = 'IGNORE';
+					$SIG{HUP} = $SIG{CHLD} = $SIG{TERM} = $SIG{INT} = 'DEFAULT';
+					alarm(0);
+				}
+				exec "$line" or dbg("exec '$line' failed $!");
+			} 
+		} else {
+			dbg("cannot fork for $line");
+		}
+	} else {
+		dbg("no socket pair $! for $line");
+	}
+	return $pid;
+}
+
+sub disconnect 
+{
     my $conn = shift;
 	return if exists $conn->{disconnecting};
 
@@ -250,14 +330,13 @@ sub disconnect {
 
 	if (defined($sock)) {
 		set_event_handler ($sock, read => undef, write => undef, error => undef);
-		shutdown($sock, 3);
+		shutdown($sock, 2);
 		close($sock);
 	}
 	
 	unless ($main::is_win) {
 		kill 'TERM', $conn->{pid} if exists $conn->{pid};
 	}
-
 }
 
 sub send_now {
@@ -291,10 +370,10 @@ sub _send {
     # return to the event loop only after every message, or if it
     # is likely to block in the middle of a message.
 
-	if ($conn->{blocking} != $flush) {
-		blocking($sock, $flush);
-		$conn->{blocking} = $flush;
-	}
+#	if ($conn->{blocking} != $flush) {
+#		blocking($sock, $flush);
+#		$conn->{blocking} = $flush;
+#	}
     my $offset = (exists $conn->{send_offset}) ? $conn->{send_offset} : 0;
 
     while (@$rq) {
@@ -323,6 +402,7 @@ sub _send {
 				my $call = $conn->{call} || 'none';
 				dbgdump('raw', "$call send $bytes_written: ", $msg);
 			}
+			$total_out      += $bytes_written;
             $offset         += $bytes_written;
             $bytes_to_write -= $bytes_written;
         }
@@ -378,7 +458,7 @@ sub new_server {
     my ($pkg, $my_host, $my_port, $login_proc) = @_;
 	my $self = $pkg->new($login_proc);
 	
-    $self->{sock} = IO::Socket::INET->new (
+    $self->{sock} = $io_socket->new (
                                           LocalAddr => "$my_host:$my_port",
 #                                          LocalPort => $my_port,
                                           Listen    => SOMAXCONN,
@@ -402,9 +482,9 @@ sub nolinger
 			dbg("Linger is: $l $t, keepalive: $k, nagle: $n");
 		}
 		
-		eval {setsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE, 1)} or confess "setsockopt keepalive: $!";
-		eval {setsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER, pack("ll", 0, 0))} or confess "setsockopt linger: $!";
-		eval {setsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY, 1)} or eval {setsockopt($conn->{sock}, SOL_SOCKET, TCP_NODELAY, 1)} or confess "setsockopt tcp_nodelay: $!";
+		eval {setsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE, 1)} or dbg("setsockopt keepalive: $!");
+		eval {setsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER, pack("ll", 0, 0))} or dbg("setsockopt linger: $!");
+		eval {setsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY, 1)} or eval {setsockopt($conn->{sock}, SOL_SOCKET, TCP_NODELAY, 1)} or dbg("setsockopt tcp_nodelay: $!");
 		$conn->{sock}->autoflush(0);
 
 		if (isdbg('sock')) {
@@ -441,13 +521,14 @@ sub _rcv {                     # Complement to _send
     return unless defined($sock);
 
 	my @lines;
-	if ($conn->{blocking}) {
-		blocking($sock, 0);
-		$conn->{blocking} = 0;
-	}
+#	if ($conn->{blocking}) {
+#		blocking($sock, 0);
+#		$conn->{blocking} = 0;
+#	}
 	$bytes_read = sysread ($sock, $msg, 1024, 0);
 	if (defined ($bytes_read)) {
 		if ($bytes_read > 0) {
+			$total_in += $bytes_read;
 			if (isdbg('raw')) {
 				my $call = $conn->{call} || 'none';
 				dbgdump('raw', "$call read $bytes_read: ", $msg);
@@ -582,24 +663,35 @@ sub set_event_handler {
 }
 
 sub event_loop {
-    my ($pkg, $loop_count, $timeout) = @_; # event_loop(1) to process events once
+    my ($pkg, $loop_count, $timeout, $wronly) = @_; # event_loop(1) to process events once
     my ($conn, $r, $w, $e, $rset, $wset, $eset);
     while (1) {
  
        # Quit the loop if no handles left to process
-        last unless ($rd_handles->count() || $wt_handles->count());
+		if ($wronly) {
+			last unless $wt_handles->count();
         
-		($rset, $wset, $eset) = IO::Select->select($rd_handles, $wt_handles, $er_handles, $timeout);
-		
-        foreach $e (@$eset) {
-            &{$er_callbacks{$e}}($e) if exists $er_callbacks{$e};
-        }
-        foreach $r (@$rset) {
-            &{$rd_callbacks{$r}}($r) if exists $rd_callbacks{$r};
-        }
-        foreach $w (@$wset) {
-            &{$wt_callbacks{$w}}($w) if exists $wt_callbacks{$w};
-        }
+			($rset, $wset, $eset) = IO::Select->select(undef, $wt_handles, undef, $timeout);
+			
+			foreach $w (@$wset) {
+				&{$wt_callbacks{$w}}($w) if exists $wt_callbacks{$w};
+			}
+		} else {
+			
+			last unless ($rd_handles->count() || $wt_handles->count());
+        
+			($rset, $wset, $eset) = IO::Select->select($rd_handles, $wt_handles, $er_handles, $timeout);
+			
+			foreach $e (@$eset) {
+				&{$er_callbacks{$e}}($e) if exists $er_callbacks{$e};
+			}
+			foreach $r (@$rset) {
+				&{$rd_callbacks{$r}}($r) if exists $rd_callbacks{$r};
+			}
+			foreach $w (@$wset) {
+				&{$wt_callbacks{$w}}($w) if exists $wt_callbacks{$w};
+			}
+		}
 
 		Timer::handler;