88 lines
1.8 KiB
Perl
88 lines
1.8 KiB
Perl
#!/usr/bin/env perl
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use v5.34.1;
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use strict;
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use warnings;
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use IO::Socket::UNIX;
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use Path::Tiny qw/path/;
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my $HOME = $ENV{HOME};
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my $PACKET_HELLO = 0;
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my $fh = IO::Socket::UNIX->new(
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Type => SOCK_STREAM(),
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Peer => 'msgba.sock',
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) || die "Can't open socket: $IO::Socket::errstr";
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my $rom = path($HOME)->child('ruby.gba')->slurp;
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my $sav = path($HOME)->child('ruby.ss1')->slurp;
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my $packet_hello = "";
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open my $fh_packet_hello, '>', \$packet_hello;
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write_packet_hello($fh_packet_hello, \$rom, \$sav);
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close $fh_packet_hello;
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my $packet = "";
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open my $fh_packet, '>', \$packet;
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write_packet($fh_packet, $PACKET_HELLO, \$packet_hello);
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close $fh_packet;
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print $fh $packet;
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while (retrieve_packet($fh)) {
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}
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sub retrieve_packet {
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my $fh = shift;
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(read $fh, my $id, 8) or return 0;
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$id = unpack('Q>', $id);
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(read $fh, my $size, 8) or return 0;
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$size = unpack('Q>', $size);
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(read $fh, my $raw_data, $size) or return 0;
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say $id;
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say $size;
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return 1;
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}
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sub write_packet {
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my $fh = shift;
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my $id = shift;
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my $raw_data = ret_scalar(shift);
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print $fh pack('Q>', $id);
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print $fh pack('Q>', length $raw_data);
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print $fh $raw_data;
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}
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sub write_packet_hello {
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my $fh = shift or die "No file handle";
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my $rom = ret_scalar(shift);
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my $save = ret_scalar(shift);
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my $rom_length = length $rom;
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my $save_length = length $save;
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say "Packet size = @{[16 + $rom_length + $save_length]}";
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print $fh pack 'Q>', $rom_length;
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print $fh $rom;
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print $fh pack 'Q>', $save_length;
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print $fh $save;
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}
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sub ret_scalar {
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my $arg = shift;
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if (check_scalar_ref($arg)) {
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return ${$arg};
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}
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die "No scalar ref";
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}
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sub check_scalar_ref {
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my $arg = shift or die "Undefined scalar ref";
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if ((ref $arg) eq 'SCALAR') {
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return 1;
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}
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return 0;
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}
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