use DXDebug;
use Timer;
-use vars qw($now %conns $noconns $cnum $total_in $total_out);
+use vars qw($now %conns $noconns $cnum $total_in $total_out $total_lines_in $total_lines_out $connect_timeout $disc_waittime);
$total_in = $total_out = 0;
+$total_lines_in = $total_lines_out = 0;
$now = time;
$cnum = 0;
+$connect_timeout = 5;
+$disc_waittime = 1.5;
+our %delqueue;
#
#-----------------------------------------------------------------
my $class = $obj || $pkg;
my $conn = {
- rproc => $rproc,
- inqueue => [],
- outqueue => [],
- state => 0,
- lineend => "\r\n",
- csort => 'telnet',
- timeval => 60,
- blocking => 0,
- cnum => (($cnum < 999) ? (++$cnum) : ($cnum = 1)),
+ rproc => $rproc,
+ inqueue => [],
+ outqueue => [],
+ state => 0,
+ lineend => "\r\n",
+ csort => 'telnet',
+ timeval => 60,
+ blocking => 0,
+ cnum => (($cnum < 999) ? (++$cnum) : ($cnum = 1)),
+ linesin => 0,
+ linesout => 0,
+ datain => 0,
+ dataout => 0,
};
$noconns++;
{
my $conn = shift;
my $callback = shift;
- $conn->{sock}->on(error => sub {my ($stream, $err) = @_; $callback->($conn, $err);});
+ $conn->{sock}->on(error => sub {$callback->($_[1]);});
}
sub set_on_eof
{
my $conn = shift;
my $callback = shift;
- $conn->{sock}->on(close => sub {$callback->($conn);});
+ $conn->{sock}->on(close => sub {$callback->()});
}
sub set_rproc
sub peerhost
{
my $conn = shift;
- $conn->{peerhost} ||= 'ax25' if $conn->ax25;
- $conn->{peerhost} ||= $conn->{sock}->handle->peerhost if $conn->{sock};
- $conn->{peerhost} ||= 'UNKNOWN';
+ unless ($conn->{peerhost}) {
+ $conn->{peerhost} ||= 'ax25' if $conn->ax25;
+ $conn->{peerhost} ||= $conn->{sock}->handle->peerhost if $conn->{sock};
+ $conn->{peerhost} ||= 'UNKNOWN';
+ }
return $conn->{peerhost};
}
#-----------------------------------------------------------------
# Send side routines
-sub connect {
- my ($pkg, $to_host, $to_port, $rproc) = @_;
+sub _on_connect
+{
+ my $conn = shift;
+ my $handle = shift;
+ undef $conn->{sock};
+ my $sock = $conn->{sock} = Mojo::IOLoop::Stream->new($handle);
+ $sock->on(read => sub {$conn->_rcv($_[1]);} );
+ $sock->on(error => sub {delete $conn->{sock}; $conn->disconnect;});
+ $sock->on(close => sub {delete $conn->{sock}; $conn->disconnect;});
+ $sock->timeout(0);
+ $sock->start;
+ $conn->{peerhost} = eval { $handle->peerhost; };
+ dbg((ref $conn) . " connected $conn->{cnum} to $conn->{peerhost}:$conn->{peerport}") if isdbg('conn') || isdbg ('connect');
+ if ($conn->{on_connect}) {
+ &{$conn->{on_connect}}($conn, $handle);
+ }
+}
+
+sub is_connected
+{
+ my $conn = shift;
+ my $sock = $conn->{sock};
+ return ref $sock && $sock->isa('Mojo::IOLoop::Stream');
+}
+
+sub connect {
+ my ($pkg, $to_host, $to_port, %args) = @_;
+ my $timeout = delete $args{timeout} || $connect_timeout;
+
# Create a connection end-point object
my $conn = $pkg;
unless (ref $pkg) {
+ my $rproc = delete $args{rproc};
$conn = $pkg->new($rproc);
}
$conn->{peerhost} = $to_host;
my $sock;
$conn->{sock} = $sock = Mojo::IOLoop::Client->new;
- $sock->on(connect => sub { dbg((ref $conn) . " connected $conn->{cnum} to $to_host:$to_port") if isdbg('connll');},
- error => {$conn->disconnect},
- close => {$conn->disconnect});
+ $sock->on(connect => sub {
+ $conn->_on_connect($_[1])
+ } );
+ $sock->on(error => sub {
+ &{$conn->{eproc}}($conn, $_[1]) if exists $conn->{eproc};
+ delete $conn->{sock};
+ $conn->disconnect
+ });
+ $sock->on(close => sub {
+ delete $conn->{sock};
+ $conn->disconnect}
+ );
+
+ # copy any args like on_connect, on_disconnect etc
+ while (my ($k, $v) = each %args) {
+ $conn->{$k} = $v;
+ }
- $sock->connect(address => $to_host, port => $to_port);
+ $sock->connect(address => $to_host, port => $to_port, timeout => $timeout);
- dbg((ref $conn) . " connected $conn->{cnum} to $to_host:$to_port") if isdbg('connll');
-
- if ($conn->{rproc}) {
- $sock->on(read => sub {my ($stream, $msg) = @_; $conn->_rcv($msg);} );
- }
return $conn;
}
return $pid;
}
-sub disconnect
+sub disconnect
{
- my $conn = shift;
- return if exists $conn->{disconnecting};
-
- $conn->{disconnecting} = 1;
- my $sock = delete $conn->{sock};
- $conn->{state} = 'E';
- $conn->{timeout}->del if $conn->{timeout};
+ my $conn = shift;
+ my $count = $conn->{disconnecting}++;
+ my $dbg = isdbg('connll');
+ my ($pkg, $fn, $line) = caller if $dbg;
+
+ if ($count >= 2) {
+ dbgtrace((ref $conn) . "::disconnect on call $conn->{call} attempt $conn->{disconnecting} called from ${pkg}::${fn} line $line FORCING CLOSE ") if $dbg;
+ _close_it($conn);
+ return;
+ }
+ dbg((ref $conn) . "::disconnect on call $conn->{call} attempt $conn->{disconnecting} called from ${pkg}::${fn} line $line ") if $dbg;
+ return if $count;
+ # remove this conn from the active queue
# be careful to delete the correct one
my $call;
if ($call = $conn->{call}) {
delete $conns{$call} if $ref && $ref == $conn;
}
$call ||= 'unallocated';
- dbg((ref $conn) . " Connection $conn->{cnum} $call disconnected") if isdbg('connll');
+
+ $delqueue{$conn} = $conn; # save this connection until everything is finished
+ my $sock = $conn->{sock};
+ if ($sock) {
+ if ($sock->{buffer}) {
+ my $lth = length $sock->{buffer};
+ Mojo::IOLoop->timer($disc_waittime, sub {
+ dbg("Buffer contained $lth characters, coordinated for $disc_waittime secs, now disconnecting $call") if $dbg;
+ _close_it($conn);
+ });
+ } else {
+ dbg("Buffer empty, just close $call") if $dbg;
+ _close_it($conn);
+ }
+ } else {
+ dbg((ref $conn) . " socket missing on $conn->{call}") if $dbg;
+ _close_it($conn);
+ }
+}
+
+sub _close_it
+{
+ my $conn = shift;
+ my $sock = delete $conn->{sock};
+ $conn->{state} = 'E';
+ $conn->{timeout}->del if $conn->{timeout};
+
+ my $call = $conn->{call};
+
+ if (isdbg('connll')) {
+ my ($pkg, $fn, $line) = caller;
+ dbg((ref $conn) . "::_close_it on call $conn->{call} attempt $conn->{disconnecting} called from ${pkg}::${fn} line $line ");
+ }
+
+
+ dbg((ref $conn) . " Connection $conn->{cnum} $call starting to close") if isdbg('connll');
+
+ if ($conn->{on_disconnect}) {
+ &{$conn->{on_disconnect}}($conn);
+ }
+
+ if ($sock) {
+ dbg((ref $conn) . " Connection $conn->{cnum} $call closing gracefully") if isdbg('connll');
+ $sock->close_gracefully if $sock->can('close_gracefully');
+ }
# get rid of any references
for (keys %$conn) {
}
}
- if (defined($sock)) {
- $sock->remove;
- }
+ delete $delqueue{$conn}; # finally remove the $conn
unless ($main::is_win) {
kill 'TERM', $conn->{pid} if exists $conn->{pid};
my $conn = shift;
my $rq = $conn->{outqueue};
my $sock = $conn->{sock};
+ return unless defined $sock;
+ return if $conn->{disconnecting};
+
while (@$rq) {
my $data = shift @$rq;
my $lth = length $data;
my $call = $conn->{call} || 'none';
if (isdbg('raw')) {
- if (isdbg('raw')) {
- dbgdump('raw', "$call send $lth: ", $lth);
- }
+ dbgdump('raw', "$call send $lth:", $data);
}
- if (defined $sock && !$sock->destroyed) {
+ if (defined $sock) {
$sock->write($data);
- $total_out = $lth;
+ $total_out += $lth;
+ $conn->{dataout} += $lth;
+ ++$conn->{linesout};
+ ++$total_lines_out;
} else {
dbg("_send_stuff $call ending data ignored: $data");
}
goto &send_now;
}
+sub send_raw
+{
+ my ($conn, $msg) = @_;
+ push @{$conn->{outqueue}}, $msg;
+ _send_stuff($conn);
+}
+
sub enqueue {
my $conn = shift;
push @{$conn->{outqueue}}, defined $_[0] ? $_[0] : '';
my ($pkg, $my_host, $my_port, $login_proc) = @_;
my $conn = $pkg->new($login_proc);
- $conn->{sock} = Mojo::IOLoop::Server->new;
- $conn->{sock}->on(accept=>sub{$conn->new_client()});
- $conn->{sock}->listen(address=>$my_host, port=>$my_port);
+ my $sock = $conn->{sock} = Mojo::IOLoop::Server->new;
+ $sock->on(accept=>sub{$conn->new_client($_[1]);});
+ $sock->listen(address=>$my_host, port=>$my_port);
+ $sock->start;
die "Could not create socket: $! \n" unless $conn->{sock};
return $conn;
} else {
$conn->{msg} = pop @lines;
}
+ $conn->{linesin} += @lines;
+ $total_lines_in += @lines;
for (@lines) {
last if $conn->{disconnecting};
&{$conn->{rproc}}($conn, defined $_ ? $_ : '');
sub _rcv { # Complement to _send
my $conn = shift; # $rcv_now complement of $flush
- # Find out how much has already been received, if at all
- my ($msg, $offset, $bytes_to_read, $bytes_read);
+ my $msg = shift;
my $sock = $conn->{sock};
return unless defined($sock);
+ return if $conn->{disconnecting};
- my @lines;
-# if ($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: ", $msg);
- }
- if ($conn->{echo}) {
- my @ch = split //, $msg;
- my $out;
- for (@ch) {
- if (/[\cH\x7f]/) {
- $out .= "\cH \cH";
- $conn->{msg} =~ s/.$//;
- } else {
- $out .= $_;
- $conn->{msg} .= $_;
- }
- }
- if (defined $out) {
- set_event_handler ($sock, write => sub{$conn->_send(0)});
- push @{$conn->{outqueue}}, $out;
+ $total_in += length $msg;
+ $conn->{datain} += length $msg;
+
+ if (isdbg('raw')) {
+ my $call = $conn->{call} || 'none';
+ my $lth = length $msg;
+ dbgdump('raw', "$call read $lth: ", $msg);
+ }
+ if ($conn->{echo}) {
+ my @ch = split //, $msg;
+ my $out;
+ for (@ch) {
+ if (/[\cH\x7f]/) {
+ $out .= "\cH \cH";
+ $conn->{msg} =~ s/.$//;
+ } else {
+ $out .= $_;
+ $conn->{msg} .= $_;
}
- } else {
- $conn->{msg} .= $msg;
}
- }
+ if (defined $out) {
+ $conn->send_raw($out);
+ }
} else {
- if (_err_will_block($!)) {
- return ;
- } else {
- $bytes_read = 0;
- }
- }
+ $conn->{msg} .= $msg;
+ }
-FINISH:
- if (defined $bytes_read && $bytes_read == 0) {
- &{$conn->{eproc}}($conn, $!) if exists $conn->{eproc};
- $conn->disconnect;
- } else {
- unless ($conn->{disable_read}) {
- $conn->dequeue if exists $conn->{msg};
- }
+ unless ($conn->{disable_read}) {
+ $conn->dequeue if exists $conn->{msg};
}
}
sub new_client {
my $server_conn = shift;
- my $client = shift;
+ my $handle = shift;
my $conn = $server_conn->new($server_conn->{rproc});
- my $sock = $conn->{sock} = Mojo::IOLoop::Stream->new($client);
+ my $sock = $conn->{sock} = Mojo::IOLoop::Stream->new($handle);
$sock->on(read => sub {$conn->_rcv($_[1])});
- dbg((ref $conn) . "accept $conn->{cnum} from $conn->{peerhost} $conn->{peerport}") if isdbg('connll');
-
- my ($rproc, $eproc) = &{$server_conn->{rproc}} ($conn, $conn->{peerhost} = $client->peerhost, $conn->{peerport} = $client->peerport);
+ $sock->timeout(0);
+ $sock->start;
+ $conn->{peerhost} = $handle->peerhost || 'unknown';
+ $conn->{peerhost} =~ s|^::ffff:||; # chop off leading pseudo IPV6 stuff on dual stack listeners
+ $conn->{peerport} = $handle->peerport || 0;
+ dbg((ref $conn) . " accept $conn->{cnum} from $conn->{peerhost}:$conn->{peerport}") if isdbg('conn') || isdbg('connect');
+ my ($rproc, $eproc) = &{$server_conn->{rproc}} ($conn, $conn->{peerhost}, $conn->{peerport});
$conn->{sort} = 'Incoming';
if ($eproc) {
$conn->{eproc} = $eproc;
&{$conn->{eproc}}($conn, undef) if exists $conn->{eproc};
$conn->disconnect();
}
+ return $conn;
}
sub close_server
sub DESTROY
{
my $conn = shift;
+ my $call = $conn->{call} || 'unallocated';
+
+ if (isdbg('connll')) {
+ my ($pkg, $fn, $line) = caller;
+ dbgtrace((ref $conn) . "::DESTROY on call $call called from ${pkg}::${fn} line $line ");
+ }
+
my $call = $conn->{call} || 'unallocated';
my $host = $conn->{peerhost} || '';
my $port = $conn->{peerport} || '';
+ my $sock = $conn->{sock};
+
+ if ($sock) {
+ $sock->close_gracefully if $sock->can('close_gracefully');
+ delete $conn->{sock};
+ }
+
$noconns--;
dbg((ref $conn) . " Connection $conn->{cnum} $call [$host $port] being destroyed (total $noconns)") if isdbg('connll');
}