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# You may distribute under the terms of either the GNU General Public License
# or the Artistic License (the same terms as Perl itself)
#
# (C) Paul Evans, 2010-2024 -- leonerd@leonerd.org.uk
package Net::Async::FastCGI::Protocol 0.26;
use v5.14;
use warnings;
use base qw( IO::Async::Protocol::Stream );
use Net::FastCGI::Constant qw(
FCGI_UNKNOWN_TYPE
);
use Net::FastCGI::Protocol qw(
parse_header
build_record
build_unknown_type_body
);
sub on_read
{
my $self = shift;
my ( $buffref, $handleclosed ) = @_;
my $blen = length $$buffref;
if( $handleclosed ) {
# Abort
my $fcgi = $self->{fcgi};
$fcgi->remove_child( $self );
return;
}
# Do we have a record header yet?
return 0 unless( $blen >= 8 );
# Excellent - parse it
my ( $type, $reqid, $contentlen, $padlen ) = parse_header( $$buffref );
# Do we have enough for a complete record?
return 0 unless( $blen >= 8 + $contentlen + $padlen );
substr( $$buffref, 0, 8, "" ); # Header
my $rec = {
type => $type,
reqid => $reqid,
len => $contentlen,
plen => $padlen,
};
$rec->{content} = substr( $$buffref, 0, $contentlen, "" );
substr( $$buffref, 0, $rec->{plen}, "" ); # Padding
if( $reqid == 0 ) {
$self->on_mgmt_record( $type, $rec );
}
else {
$self->on_record( $reqid, $rec );
}
return 1;
}
sub on_mgmt_record
{
my $self = shift;
my ( $type, $rec ) = @_;
$self->write_record( { type => FCGI_UNKNOWN_TYPE, reqid => 0 }, build_unknown_type_body( $type ) );
}
sub write_record
{
my $self = shift;
my ( $rec, $content ) = @_;
$self->write( build_record( $rec->{type}, $rec->{reqid}, $content ) );
}
0x55AA;
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