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 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);
%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;
BEGIN {
# Checks if blocking is supported
eval {
+ local $^W;
require POSIX; POSIX->import(qw(O_NONBLOCK F_SETFL F_GETFL))
};
if ($@ || $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 {
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 ($_[1]) {
blocking($sock, 0);
$conn->{blocking} = 0;
+ # does the host resolve?
my $ip = gethostbyname($to_host);
-# my $r = $sock->connect($to_port, $ip);
+ return undef unless $ip;
+
my $r = connect($sock, pack_sockaddr_in($to_port, $ip));
return undef unless $r || _err_will_block($!);
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 $conn->{disconnecting};
unless ($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;
}
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')) {
$bytes_read = sysread ($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;
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