#
# 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 = ();
$rd_handles = IO::Select->new();
$wt_handles = IO::Select->new();
$er_handles = IO::Select->new();
+$total_in = $total_out = 0;
$now = time;
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 = $io_socket->can('blocking') ? 2 : 1;
}
# defines EINPROGRESS as 10035. We provide it here because some
# Win32 users report POSIX::EINPROGRESS is not vendor-supported.
if ($^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 :-(
}
}
$noconns++;
- dbg("Connection created ($noconns)") if isdbg('connll');
+ dbg("$class Connection $conn->{cnum} created (total $noconns)") if isdbg('connll');
return bless $conn, $class;
}
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]) {
if (ref $pkg) {
$call = $pkg->{call} unless $call;
return undef unless $call;
- dbg("changing $pkg->{call} to $call") if isdbg('connll') && exists $pkg->{call} && $call ne $pkg->{call};
+ dbg((ref $pkg) . " changing $pkg->{call} to $call") if isdbg('connll') && exists $pkg->{call} && $call ne $pkg->{call};
delete $conns{$pkg->{call}} if exists $pkg->{call} && exists $conns{$pkg->{call}} && $pkg->{call} ne $call;
$pkg->{call} = $call;
$ref = $conns{$call} = $pkg;
- dbg("Connection $pkg->{cnum} $call stored") if isdbg('connll');
+ dbg((ref $pkg) . " Connection $pkg->{cnum} $call stored") if isdbg('connll');
} else {
$ref = $conns{$call};
}
}
}
+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 {
$conn->{peerhost} = $to_host;
$conn->{peerport} = $to_port;
$conn->{sort} = 'Outgoing';
+
+ dbg((ref $conn) . " connecting $conn->{cnum} to $to_host:$to_port") if isdbg('connll');
- # 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 $ip = gethostbyname($to_host);
-# my $r = $sock->connect($to_port, $ip);
- my $r = connect($sock, pack_sockaddr_in($to_port, $ip));
- return undef unless $r || _err_will_block($!);
+ my $proto = getprotobyname('tcp');
+ $sock->socket(AF_INET, SOCK_STREAM, $proto) or return undef;
+
+ blocking($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
+
+ dbg((ref $conn) . " connected $conn->{cnum} to $to_host:$to_port") if isdbg('connll');
+
if ($conn->{rproc}) {
my $callback = sub {$conn->_rcv};
set_event_handler ($sock, read => $callback);
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};
delete $conns{$call} if $ref && $ref == $conn;
}
$call ||= 'unallocated';
- dbg("Connection $conn->{cnum} $call disconnected") if isdbg('connll');
+ dbg((ref $conn) . " Connection $conn->{cnum} $call disconnected") if isdbg('connll');
# get rid of any references
for (keys %$conn) {
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 $conn->{pid};
}
-
}
sub send_now {
# return to the event loop only after every message, or if it
# is likely to block in the middle of a message.
- if ($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) {
my $call = $conn->{call} || 'none';
dbgdump('raw', "$call send $bytes_written: ", $msg);
}
+ $total_out += $bytes_written;
$offset += $bytes_written;
$bytes_to_write -= $bytes_written;
}
my ($pkg, $my_host, $my_port, $login_proc) = @_;
my $self = $pkg->new($login_proc);
- $self->{sock} = IO::Socket::INET->new (
- LocalAddr => "$my_host:$my_port",
-# LocalPort => $my_port,
+ $self->{sock} = $io_socket->new (
+ LocalAddr => $my_host,
+ LocalPort => $my_port,
Listen => SOMAXCONN,
Proto => 'tcp',
Reuse => 1);
sub dequeue
{
my $conn = shift;
-
- if ($conn->{msg} =~ /\n/) {
- my @lines = split /\r?\n/, $conn->{msg};
- if ($conn->{msg} =~ /\n$/) {
+ return if $conn->{disconnecting};
+
+ if ($conn->{msg} =~ /\cJ/) {
+ my @lines = split /\cM?\cJ/, $conn->{msg};
+ if ($conn->{msg} =~ /\cM?\cJ$/) {
delete $conn->{msg};
} else {
$conn->{msg} = pop @lines;
}
for (@lines) {
+ last if $conn->{disconnecting};
&{$conn->{rproc}}($conn, defined $_ ? $_ : '');
}
}
return unless defined($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: ", $msg);
}
sub event_loop {
- my ($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;
my $call = $conn->{call} || 'unallocated';
my $host = $conn->{peerhost} || '';
my $port = $conn->{peerport} || '';
- dbg("Connection $conn->{cnum} $call [$host $port] being destroyed") if isdbg('connll');
$noconns--;
+ dbg((ref $conn) . " Connection $conn->{cnum} $call [$host $port] being destroyed (total $noconns)") if isdbg('connll');
}
1;