#
# I have modified it to suit my devious purposes (Dirk Koopman G1TLH)
#
-# $Id$
+#
#
package Msg;
use strict;
-use IO::Select;
-use IO::Socket;
-#use DXDebug;
-use vars qw(%rd_callbacks %wt_callbacks $rd_handles $wt_handles);
+use DXUtil;
+
+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 $total_in $total_out $io_socket);
%rd_callbacks = ();
%wt_callbacks = ();
+%er_callbacks = ();
$rd_handles = IO::Select->new();
$wt_handles = IO::Select->new();
-my $blocking_supported = 0;
+$er_handles = IO::Select->new();
+$total_in = $total_out = 0;
+
+$now = time;
BEGIN {
# Checks if blocking is supported
eval {
- require POSIX; POSIX->import(qw (F_SETFL O_NONBLOCK EAGAIN));
+ local $^W;
+ require POSIX; POSIX->import(qw(O_NONBLOCK F_SETFL F_GETFL))
};
- $blocking_supported = 1 unless $@;
+
+ 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) {
+ $blocking_supported = $io_socket->can('blocking') ? 2 : 0;
+ } else {
+ $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 $^W;
+ require Socket; Socket->import(qw(IPPROTO_TCP TCP_NODELAY));
+ };
+ } else {
+ dbg("IPPROTO_TCP and TCP_NODELAY manually defined");
+ eval 'sub IPPROTO_TCP { 6 };';
+ eval 'sub TCP_NODELAY { 1 };';
+ }
+ }
+ # http://support.microsoft.com/support/kb/articles/Q150/5/37.asp
+ # defines EINPROGRESS as 10035. We provide it here because some
+ # Win32 users report POSIX::EINPROGRESS is not vendor-supported.
+ if ($^O eq 'MSWin32') {
+ eval '*EINPROGRESS = sub { 10036 };' 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 :-(
+ }
+}
+
+my $w = $^W;
+$^W = 0;
+my $eagain = eval {EAGAIN()};
+my $einprogress = eval {EINPROGRESS()};
+my $ewouldblock = eval {EWOULDBLOCK()};
+$^W = $w;
+$cnum = 0;
+
+
+#
+#-----------------------------------------------------------------
+# Generalised initializer
+
+sub new
+{
+ my ($pkg, $rproc) = @_;
+ my $obj = ref($pkg);
+ 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)),
+ };
+
+ $noconns++;
+
+ dbg("Connection created ($noconns)") if isdbg('connll');
+ return bless $conn, $class;
+}
+
+sub set_error
+{
+ my $conn = shift;
+ my $callback = shift;
+ $conn->{eproc} = $callback;
+ set_event_handler($conn->{sock}, error => $callback) if exists $conn->{sock};
+}
+
+sub set_rproc
+{
+ my $conn = shift;
+ my $callback = shift;
+ $conn->{rproc} = $callback;
+}
+
+sub blocking
+{
+ return unless $blocking_supported;
+
+ # Make the handle stop blocking, the Windows way.
+ if ($blocking_supported) {
+ $_[0]->blocking($_[1]);
+ } else {
+ my $flags = fcntl ($_[0], F_GETFL, 0);
+ if ($_[1]) {
+ $flags &= ~O_NONBLOCK;
+ } else {
+ $flags |= O_NONBLOCK;
+ }
+ fcntl ($_[0], F_SETFL, $flags);
+ }
+}
+
+# save it
+sub conns
+{
+ my $pkg = shift;
+ my $call = shift;
+ my $ref;
+
+ 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};
+ 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');
+ } else {
+ $ref = $conns{$call};
+ }
+ return $ref;
+}
+
+# this is only called by any dependent processes going away unexpectedly
+sub pid_gone
+{
+ my ($pkg, $pid) = @_;
+
+ my @pid = grep {$_->{pid} == $pid} values %conns;
+ foreach my $p (@pid) {
+ &{$p->{eproc}}($p, "$pid has gorn") if exists $p->{eproc};
+ $p->disconnect;
+ }
+}
+
+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 $conn->{peerhost};
}
#-----------------------------------------------------------------
# Send side routines
sub connect {
- my ($pkg, $to_host, $to_port,$rcvd_notification_proc) = @_;
-
- # Create a new internet socket
-
- my $sock = IO::Socket::INET->new (
- PeerAddr => $to_host,
- PeerPort => $to_port,
- Proto => 'tcp',
- Reuse => 1);
-
- return undef unless $sock;
+ my ($pkg, $to_host, $to_port, $rproc) = @_;
# Create a connection end-point object
- my $conn = {
- sock => $sock,
- rcvd_notification_proc => $rcvd_notification_proc,
- };
-
- if ($rcvd_notification_proc) {
- my $callback = sub {_rcv($conn)};
- set_event_handler ($sock, "read" => $callback);
+ my $conn = $pkg;
+ unless (ref $pkg) {
+ $conn = $pkg->new($rproc);
+ }
+ $conn->{peerhost} = $to_host;
+ $conn->{peerport} = $to_port;
+ $conn->{sort} = 'Outgoing';
+
+ 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, $proto) or return undef;
+
+ blocking($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);
}
- return bless $conn, $pkg;
+ 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};
+
+ $conn->{disconnecting} = 1;
my $sock = delete $conn->{sock};
- return unless defined($sock);
- set_event_handler ($sock, "read" => undef, "write" => undef);
- shutdown($sock, 3);
- close($sock);
+ $conn->{state} = 'E';
+ $conn->{timeout}->del if $conn->{timeout};
+
+ # be careful to delete the correct one
+ my $call;
+ if ($call = $conn->{call}) {
+ my $ref = $conns{$call};
+ delete $conns{$call} if $ref && $ref == $conn;
+ }
+ $call ||= 'unallocated';
+ dbg("Connection $conn->{cnum} $call disconnected") if isdbg('connll');
+
+ # get rid of any references
+ for (keys %$conn) {
+ if (ref($conn->{$_})) {
+ delete $conn->{$_};
+ }
+ }
+
+ if (defined($sock)) {
+ set_event_handler ($sock, read => undef, write => undef, error => undef);
+ shutdown($sock, 2);
+ close($sock);
+ }
+
+ unless ($main::is_win) {
+ kill 'TERM', $conn->{pid} if exists $conn->{pid};
+ }
}
sub send_now {
my ($conn, $msg) = @_;
- _enqueue ($conn, $msg);
+ $conn->enqueue($msg);
$conn->_send (1); # 1 ==> flush
}
sub send_later {
my ($conn, $msg) = @_;
- _enqueue($conn, $msg);
+ $conn->enqueue($msg);
my $sock = $conn->{sock};
return unless defined($sock);
- set_event_handler ($sock, "write" => sub {$conn->_send(0)});
+ set_event_handler ($sock, write => sub {$conn->_send(0)});
}
-sub _enqueue {
- my ($conn, $msg) = @_;
- # prepend length (encoded as network long)
- my $len = length($msg);
- $msg =~ s/([\%\x00-\x1f\x7f-\xff])/sprintf("%%%02X", ord($1))/eg;
- push (@{$conn->{queue}}, $msg . "\n");
+sub enqueue {
+ my $conn = shift;
+ push (@{$conn->{outqueue}}, defined $_[0] ? $_[0] : '');
}
sub _send {
my ($conn, $flush) = @_;
my $sock = $conn->{sock};
return unless defined($sock);
- my ($rq) = $conn->{queue};
+ my $rq = $conn->{outqueue};
# If $flush is set, set the socket to blocking, and send all
# messages in the queue - return only if there's an error
# return to the event loop only after every message, or if it
# is likely to block in the middle of a message.
- $flush ? $conn->set_blocking() : $conn->set_non_blocking();
+# if ($conn->{blocking} != $flush) {
+# blocking($sock, $flush);
+# $conn->{blocking} = $flush;
+# }
my $offset = (exists $conn->{send_offset}) ? $conn->{send_offset} : 0;
while (@$rq) {
# be called back eventually, and will resume sending
return 1;
} else { # Uh, oh
- delete $conn->{send_offset};
- $conn->handle_send_err($!);
+ &{$conn->{eproc}}($conn, $!) if exists $conn->{eproc};
$conn->disconnect;
return 0; # fail. Message remains in queue ..
}
- }
+ } elsif (isdbg('raw')) {
+ my $call = $conn->{call} || 'none';
+ dbgdump('raw', "$call send $bytes_written: ", $msg);
+ }
+ $total_out += $bytes_written;
$offset += $bytes_written;
$bytes_to_write -= $bytes_written;
}
delete $conn->{send_offset};
$offset = 0;
shift @$rq;
- last unless $flush; # Go back to select and wait
+ #last unless $flush; # Go back to select and wait
# for it to fire again.
}
# Call me back if queue has not been drained.
- if (@$rq) {
- set_event_handler ($sock, "write" => sub {$conn->_send(0)});
- } else {
- set_event_handler ($sock, "write" => undef);
+ unless (@$rq) {
+ set_event_handler ($sock, write => undef);
+ if (exists $conn->{close_on_empty}) {
+ &{$conn->{eproc}}($conn, undef) if exists $conn->{eproc};
+ $conn->disconnect;
+ }
}
1; # Success
}
-sub _err_will_block {
- if ($blocking_supported) {
- return ($_[0] == EAGAIN());
- }
- return 0;
-}
-sub set_non_blocking { # $conn->set_blocking
- if ($blocking_supported) {
- # preserve other fcntl flags
- my $flags = fcntl ($_[0], F_GETFL(), 0);
- fcntl ($_[0], F_SETFL(), $flags | O_NONBLOCK());
- }
+sub dup_sock
+{
+ my $conn = shift;
+ my $oldsock = $conn->{sock};
+ my $rc = $rd_callbacks{$oldsock};
+ my $wc = $wt_callbacks{$oldsock};
+ my $ec = $er_callbacks{$oldsock};
+ my $sock = $oldsock->new_from_fd($oldsock, "w+");
+ if ($sock) {
+ set_event_handler($oldsock, read=>undef, write=>undef, error=>undef);
+ $conn->{sock} = $sock;
+ set_event_handler($sock, read=>$rc, write=>$wc, error=>$ec);
+ $oldsock->close;
+ }
}
-sub set_blocking {
- if ($blocking_supported) {
- my $flags = fcntl ($_[0], F_GETFL(), 0);
- $flags &= ~O_NONBLOCK(); # Clear blocking, but preserve other flags
- fcntl ($_[0], F_SETFL(), $flags);
- }
+
+sub _err_will_block {
+ return 0 unless $blocking_supported;
+ return ($_[0] == $eagain || $_[0] == $ewouldblock || $_[0] == $einprogress);
}
-sub handle_send_err {
- # For more meaningful handling of send errors, subclass Msg and
- # rebless $conn.
- my ($conn, $err_msg) = @_;
- warn "Error while sending: $err_msg \n";
- set_event_handler ($conn->{sock}, "write" => undef);
+sub close_on_empty
+{
+ my $conn = shift;
+ $conn->{close_on_empty} = 1;
}
#-----------------------------------------------------------------
# Receive side routines
-my ($g_login_proc,$g_pkg);
-my $main_socket = 0;
sub new_server {
- @_ == 4 || die "Msg->new_server (myhost, myport, login_proc)\n";
+ @_ == 4 || die "Msg->new_server (myhost, myport, login_proc\n";
my ($pkg, $my_host, $my_port, $login_proc) = @_;
-
- $main_socket = IO::Socket::INET->new (
- LocalAddr => $my_host,
- LocalPort => $my_port,
- Listen => 5,
+ my $self = $pkg->new($login_proc);
+
+ $self->{sock} = $io_socket->new (
+ LocalAddr => "$my_host:$my_port",
+# LocalPort => $my_port,
+ Listen => SOMAXCONN,
Proto => 'tcp',
- Reuse => 1);
- die "Could not create socket: $! \n" unless $main_socket;
- set_event_handler ($main_socket, "read" => \&_new_client);
- $g_login_proc = $login_proc; $g_pkg = $pkg;
+ Reuse => 1);
+ die "Could not create socket: $! \n" unless $self->{sock};
+ set_event_handler ($self->{sock}, read => sub { $self->new_client } );
+ return $self;
+}
+
+
+sub nolinger
+{
+ my $conn = shift;
+
+ unless ($main::is_win) {
+ if (isdbg('sock')) {
+ my ($l, $t) = unpack "ll", getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER);
+ my $k = unpack 'l', getsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE);
+ my $n = $main::is_win ? 0 : unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY);
+ dbg("Linger is: $l $t, keepalive: $k, nagle: $n");
+ }
+
+ eval {setsockopt($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: $!");
+ $conn->{sock}->autoflush(0);
+
+ if (isdbg('sock')) {
+ my ($l, $t) = unpack "ll", getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER);
+ my $k = unpack 'l', getsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE);
+ my $n = $main::is_win ? 0 : unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY);
+ dbg("Linger is: $l $t, keepalive: $k, nagle: $n");
+ }
+ }
+}
+
+sub dequeue
+{
+ my $conn = shift;
+
+ if ($conn->{msg} =~ /\n/) {
+ my @lines = split /\r?\n/, $conn->{msg};
+ if ($conn->{msg} =~ /\n$/) {
+ delete $conn->{msg};
+ } else {
+ $conn->{msg} = pop @lines;
+ }
+ for (@lines) {
+ &{$conn->{rproc}}($conn, defined $_ ? $_ : '');
+ }
+ }
}
sub _rcv { # Complement to _send
return unless defined($sock);
my @lines;
- $conn->set_non_blocking();
+# if ($conn->{blocking}) {
+# blocking($sock, 0);
+# $conn->{blocking} = 0;
+# }
$bytes_read = sysread ($sock, $msg, 1024, 0);
if (defined ($bytes_read)) {
if ($bytes_read > 0) {
- if ($msg =~ /\n/) {
- @lines = split /\n/, $msg;
- $lines[0] = $conn->{msg} . $lines[0] if $conn->{msg};
- if ($msg =~ /\n$/) {
- delete $conn->{msg};
- } else {
- $conn->{msg} = pop @lines;
+ $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;
}
} else {
$conn->{msg} .= $msg;
FINISH:
if (defined $bytes_read && $bytes_read == 0) {
-# $conn->disconnect();
- &{$conn->{rcvd_notification_proc}}($conn, undef, $!);
- @lines = ();
- }
-
- while (@lines){
- $msg = shift @lines;
- $msg =~ s/%([2-9A-F][0-9A-F])/chr(hex($1))/eg;
- &{$conn->{rcvd_notification_proc}}($conn, $msg, $!);
- $! = 0;
+ &{$conn->{eproc}}($conn, $!) if exists $conn->{eproc};
+ $conn->disconnect;
+ } else {
+ unless ($conn->{disable_read}) {
+ $conn->dequeue if exists $conn->{msg};
+ }
}
}
-sub _new_client {
- my $sock = $main_socket->accept();
- my $conn = bless {
- 'sock' => $sock,
- 'state' => 'connected'
- }, $g_pkg;
- my $rcvd_notification_proc =
- &$g_login_proc ($conn, $sock->peerhost(), $sock->peerport());
- if ($rcvd_notification_proc) {
- $conn->{rcvd_notification_proc} = $rcvd_notification_proc;
- my $callback = sub {_rcv($conn)};
- set_event_handler ($sock, "read" => $callback);
- } else { # Login failed
- $conn->disconnect();
- }
+sub new_client {
+ my $server_conn = shift;
+ my $sock = $server_conn->{sock}->accept();
+ if ($sock) {
+ my $conn = $server_conn->new($server_conn->{rproc});
+ $conn->{sock} = $sock;
+ blocking($sock, 0);
+ $conn->nolinger;
+ $conn->{blocking} = 0;
+ my ($rproc, $eproc) = &{$server_conn->{rproc}} ($conn, $conn->{peerhost} = $sock->peerhost(), $conn->{peerport} = $sock->peerport());
+ $conn->{sort} = 'Incoming';
+ if ($eproc) {
+ $conn->{eproc} = $eproc;
+ set_event_handler ($sock, error => $eproc);
+ }
+ if ($rproc) {
+ $conn->{rproc} = $rproc;
+ my $callback = sub {$conn->_rcv};
+ set_event_handler ($sock, read => $callback);
+ } else { # Login failed
+ &{$conn->{eproc}}($conn, undef) if exists $conn->{eproc};
+ $conn->disconnect();
+ }
+ } else {
+ dbg("Msg: error on accept ($!)") if isdbg('err');
+ }
}
sub close_server
{
- set_event_handler ($main_socket, "read" => undef);
- $main_socket->close;
- $main_socket = 0;
+ my $conn = shift;
+ set_event_handler ($conn->{sock}, read => undef, write => undef, error => undef );
+ $conn->{sock}->close;
}
+# close all clients (this is for forking really)
+sub close_all_clients
+{
+ foreach my $conn (values %conns) {
+ $conn->disconnect;
+ }
+}
+
+sub disable_read
+{
+ my $conn = shift;
+ set_event_handler ($conn->{sock}, read => undef);
+ return $_[0] ? $conn->{disable_read} = $_[0] : $_[0];
+}
+
+#
#----------------------------------------------------
# Event loop routines used by both client and server
$rd_handles->remove($handle);
}
}
+ if (exists $args{'error'}) {
+ $callback = $args{'error'};
+ if ($callback) {
+ $er_callbacks{$handle} = $callback;
+ $er_handles->add($handle);
+ } else {
+ delete $er_callbacks{$handle};
+ $er_handles->remove($handle);
+ }
+ }
}
sub event_loop {
- my ($pkg, $loop_count, $timeout) = @_; # event_loop(1) to process events once
- my ($conn, $r, $w, $rset, $wset);
+ my ($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() || $wt_handles->count());
- ($rset, $wset) =
- IO::Select->select ($rd_handles, $wt_handles, undef, $timeout);
- foreach $r (@$rset) {
- &{$rd_callbacks{$r}} ($r) if exists $rd_callbacks{$r};
- }
- foreach $w (@$wset) {
- &{$wt_callbacks{$w}}($w) if exists $wt_callbacks{$w};
- }
+
+ # Quit the loop if no handles left to process
+ if ($wronly) {
+ last unless $wt_handles->count();
+
+ ($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;
+
if (defined($loop_count)) {
last unless --$loop_count;
}
}
}
+sub sleep
+{
+ my ($pkg, $interval) = @_;
+ my $now = time;
+ while (time - $now < $interval) {
+ $pkg->event_loop(10, 0.01);
+ }
+}
+
+sub DESTROY
+{
+ my $conn = shift;
+ 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--;
+}
+
1;
__END__
projects / spider.git / blobdiff