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package Protocol::HTTP2::Frame::Goaway;
use strict;
use warnings;
use Protocol::HTTP2::Constants qw(const_name :flags :errors);
use Protocol::HTTP2::Trace qw(tracer bin2hex);
sub decode {
my ( $con, $buf_ref, $buf_offset, $length ) = @_;
my $frame_ref = $con->decode_context->{frame};
if ( $frame_ref->{stream} != 0 ) {
$con->error(PROTOCOL_ERROR);
return undef;
}
my ( $last_stream_id, $error_code ) =
unpack( 'N2', substr( $$buf_ref, $buf_offset, 8 ) );
$last_stream_id &= 0x7FFF_FFFF;
tracer->debug( "GOAWAY with error code "
. const_name( 'errors', $error_code )
. " last stream is $last_stream_id\n" );
tracer->debug( "additional debug data: "
. bin2hex( substr( $$buf_ref, $buf_offset + 8 ) )
. "\n" )
if $length - 8 > 0;
$con->goaway(1);
return $length;
}
sub encode {
my ( $con, $flags_ref, $stream, $data ) = @_;
$con->goaway(1);
my $payload = pack( 'N2', @$data );
tracer->debug( "\tGOAWAY: last stream = $data->[0], error = "
. const_name( "errors", $data->[1] )
. "\n" );
$payload .= $data->[2] if @$data > 2;
return $payload;
}
1;
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