summaryrefslogtreecommitdiff
path: root/lib/DBI/Gofer/Transport/stream.pm
blob: 49de55042c6490f0f6a6a9310d8c0d6be6e9c6f0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
package DBI::Gofer::Transport::stream;

#   $Id: stream.pm 12536 2009-02-24 22:37:09Z timbo $
#
#   Copyright (c) 2007, Tim Bunce, Ireland
#
#   You may distribute under the terms of either the GNU General Public
#   License or the Artistic License, as specified in the Perl README file.

use strict;
use warnings;

use DBI qw(dbi_time);
use DBI::Gofer::Execute;

use base qw(DBI::Gofer::Transport::pipeone Exporter);

our $VERSION = sprintf("0.%06d", q$Revision: 12536 $ =~ /(\d+)/o);

our @EXPORT = qw(run_stdio_hex);

my $executor = DBI::Gofer::Execute->new();

sub run_stdio_hex {

    my $transport = DBI::Gofer::Transport::stream->new();
    local $| = 1;

    DBI->trace_msg("$0 started (pid $$)\n");

    local $\; # OUTPUT_RECORD_SEPARATOR
    local $/ = "\012"; # INPUT_RECORD_SEPARATOR
    while ( defined( my $encoded_request = <STDIN> ) ) {
        my $time_received = dbi_time();
        $encoded_request =~ s/\015?\012$//;

        my $frozen_request = pack "H*", $encoded_request;
        my $request = $transport->thaw_request( $frozen_request );

        my $response = $executor->execute_request( $request );

        my $frozen_response = $transport->freeze_response($response);
        my $encoded_response = unpack "H*", $frozen_response;

        print $encoded_response, "\015\012"; # autoflushed due to $|=1

        # there's no way to access the stats currently
        # so this just serves as a basic test and illustration of update_stats()
        $executor->update_stats($request, $response, $frozen_request, $frozen_response, $time_received, 1);
    }
    DBI->trace_msg("$0 ending (pid $$)\n");
}

1;
__END__

=head1 NAME

DBI::Gofer::Transport::stream - DBD::Gofer server-side transport for stream

=head1 SYNOPSIS

See L<DBD::Gofer::Transport::stream>.

=head1 AUTHOR

Tim Bunce, L<http://www.tim.bunce.name>

=head1 LICENCE AND COPYRIGHT

Copyright (c) 2007, Tim Bunce, Ireland. All rights reserved.

This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself. See L<perlartistic>.

=cut