# Proc::Daemon or somesuch
use strict;
-use vars qw( $Debug %kids $kids $max_kids $shutdown $log_file $ssh_pid );
+use vars qw( $Debug %kids $kids $max_kids $shutdown $log_file $ssh_pid
+ $keepalives );
use subs qw( lock_write unlock_write );
use Fcntl qw(:flock);
use POSIX qw(:sys_wait_h setsid);
$shutdown = 0;
$max_kids = '10'; #?
+$keepalives = 0; #let clientd turn it on, so we don't barf on old ones
$kids = 0;
my $user = shift or die &usage;
warn "entering main loop\n" if $Debug;
my $undisp = 0;
+ my $keepalive_count = 0;
my $s = IO::Select->new( $reader );
while (1) {
my @handles = $s->can_read(5);
unless ( @handles ) {
&shutdown if $shutdown;
+ if ( $keepalives && $keepalive_count++ > 10 ) {
+ $keepalive_count = 0;
+ nstore_fd( { _token => '_keepalive' }, $writer );
+ }
next;
}
join('', map { " $_=>$packet->{$_}\n" } keys %$packet )
if $Debug > 1;
+ if ( $packet->{_packet} eq '_enable_keepalive' ) {
+ warn "enabling keep alives\n" if $Debug;
+ $keepalives=1;
+ next;
+ }
+
#prevent runaway forking
my $warnkids = 0;
while ( $kids >= $max_kids ) {