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package Spline::Socketmap;
use strict;
use warnings;
use base qw(Net::Server::PreFork);
use Spline::Srs qw( srs_forward srs_reverse );
use base 'Exporter';
our @EXPORT = qw( );
our @EXPORT_OK = qw( );
our $timeout = 10;
our $handler = undef;
sub call_handler(@) {
return unless ref($handler) eq 'CODE';
return \&$handler(@_);
}
sub handle_request($) {
my $data = shift;
my ($map, $key) = split(/ /, $data, 2);
my $result = call_handler($map, $key);
if (defined $result) {
reply($result);
}
else {
reply('TEMP Protocol error');
}
}
sub netstring_read_length($) {
my $fd = shift;
my $length;
local $/ = ':';
$length = <$fd>;
die "Cannot read netstring length" unless defined($length);
chomp $length;
return $length;
}
sub netstring_read($) {
my $fd = shift;
my ($length, $data);
$length = netstring_read_length($fd);
if (read($fd, $data, $length) == $length) {
(getc() eq ',') or die "Closing , missing";
}
else {
die 'Received only ' . length($data) . " of $length bytes";
}
return $data;
}
sub netstring_write($$) {
my ($fd, $data) = @_;
print $fd length($data).':'.$data.',';
}
sub process_request {
my $self = shift;
eval {
local $SIG{'ALRM'} = sub { die "Timed Out!\n" };
alarm($timeout);
handle_request(netstring_read(*STDIN));
alarm(0);
};
my $err = $@;
alarm(0);
if ($err) {
if ($err =~ /timed out/i) {
reply('TEMP Timeout');
}
else {
reply('TEMP Unknown error');
}
}
}
sub reply($) {
netstring_write(*STDOUT, @_);
}
1;
# vim: set et ts=4:
|
