| line | stmt | bran | cond | sub | pod | time | code | 
| 1 |  |  |  |  |  |  | package Socket::AcceptFilter; | 
| 2 |  |  |  |  |  |  |  | 
| 3 | 3 |  |  | 3 |  | 119941 | use 5.008008; | 
|  | 3 |  |  |  |  | 13 |  | 
|  | 3 |  |  |  |  | 137 |  | 
| 4 | 3 |  |  | 3 |  | 17 | use strict; | 
|  | 3 |  |  |  |  | 7 |  | 
|  | 3 |  |  |  |  | 88 |  | 
| 5 | 3 |  |  | 3 |  | 15 | use warnings; | 
|  | 3 |  |  |  |  | 13 |  | 
|  | 3 |  |  |  |  | 80 |  | 
| 6 | 3 |  |  | 3 |  | 15 | use Carp; | 
|  | 3 |  |  |  |  | 16 |  | 
|  | 3 |  |  |  |  | 3305 |  | 
| 7 | 3 |  |  | 3 |  | 4628 | use Socket qw(SOL_SOCKET IPPROTO_TCP); | 
|  | 3 |  |  |  |  | 22315 |  | 
|  | 3 |  |  |  |  | 1878 |  | 
| 8 | 3 |  |  | 3 |  | 111 | use Exporter; | 
|  | 3 |  |  |  |  | 39 |  | 
|  | 3 |  |  |  |  | 620 |  | 
| 9 |  |  |  |  |  |  |  | 
| 10 |  |  |  |  |  |  | our @EXPORT = qw(accept_filter); | 
| 11 |  |  |  |  |  |  | *import = \&Exporter::import; | 
| 12 |  |  |  |  |  |  |  | 
| 13 |  |  |  |  |  |  | =head1 NAME | 
| 14 |  |  |  |  |  |  |  | 
| 15 |  |  |  |  |  |  | Socket::AcceptFilter - Set sockopt httpready/dataready on FreeBSD and Linux | 
| 16 |  |  |  |  |  |  |  | 
| 17 |  |  |  |  |  |  | =head1 VERSION | 
| 18 |  |  |  |  |  |  |  | 
| 19 |  |  |  |  |  |  | Version 0.03 | 
| 20 |  |  |  |  |  |  |  | 
| 21 |  |  |  |  |  |  | =cut | 
| 22 |  |  |  |  |  |  |  | 
| 23 |  |  |  |  |  |  | our $VERSION = '0.03'; | 
| 24 |  |  |  |  |  |  |  | 
| 25 |  |  |  |  |  |  | =head1 SYNOPSIS | 
| 26 |  |  |  |  |  |  |  | 
| 27 |  |  |  |  |  |  | use Socket::AcceptFilter; | 
| 28 |  |  |  |  |  |  |  | 
| 29 |  |  |  |  |  |  | my $socket = ...; | 
| 30 |  |  |  |  |  |  | listen($socket); | 
| 31 |  |  |  |  |  |  | accept_filter($socket,'httpready'); # FreeBSD only | 
| 32 |  |  |  |  |  |  | # or | 
| 33 |  |  |  |  |  |  | accept_filter($socket,'dataready'); # FreeBSD/Linux | 
| 34 |  |  |  |  |  |  |  | 
| 35 |  |  |  |  |  |  | =head1 FUNCTIONS | 
| 36 |  |  |  |  |  |  |  | 
| 37 |  |  |  |  |  |  | =head2 accept_filter ($sock, $name) | 
| 38 |  |  |  |  |  |  |  | 
| 39 |  |  |  |  |  |  | =cut | 
| 40 |  |  |  |  |  |  |  | 
| 41 |  |  |  |  |  |  | sub accept_filter ($$;$) { | 
| 42 |  |  |  |  |  |  | #define SO_ACCEPTFILTER  0x1000 # fbsd | 
| 43 |  |  |  |  |  |  | #define TCP_DEFER_ACCEPT 9      # linux | 
| 44 |  |  |  |  |  |  | #struct  accept_filter_arg { | 
| 45 |  |  |  |  |  |  | #	char    af_name[16]; | 
| 46 |  |  |  |  |  |  | #	char    af_arg[256-16]; | 
| 47 |  |  |  |  |  |  | #}; | 
| 48 |  |  |  |  |  |  | #setsockopt(s, IPPROTO_TCP, TCP_DEFER_ACCEPT, &yes, sizeof yes); | 
| 49 | 1 |  |  | 1 | 1 | 464 | my ($fh,$name,$arg) = @_; | 
| 50 | 1 | 50 |  |  |  | 6 | $arg = '' unless defined $arg; | 
| 51 | 1 | 50 | 33 |  |  | 14 | if ($^O eq 'freebsd') { | 
|  |  | 50 |  |  |  |  |  | 
| 52 | 0 |  |  |  |  | 0 | my $aha = pack('Z16 Z240',$name,$arg); | 
| 53 | 0 | 0 |  |  |  | 0 | my $rc = setsockopt | 
| 54 |  |  |  |  |  |  | $fh, | 
| 55 |  |  |  |  |  |  | SOL_SOCKET, 0x1000, $aha | 
| 56 | 3 |  |  | 3 |  | 5555 | or carp "accept_filter($name) failed: ".({ reverse %! }->{0+$!}).": $!"; | 
|  | 3 |  |  |  |  | 4025 |  | 
|  | 3 |  |  |  |  | 724 |  | 
| 57 | 0 |  |  |  |  | 0 | return $rc; | 
| 58 |  |  |  |  |  |  | } | 
| 59 |  |  |  |  |  |  | elsif ($name eq 'dataready' and $^O eq 'linux') { | 
| 60 | 1 | 50 |  |  |  | 15 | my $rc = setsockopt | 
| 61 |  |  |  |  |  |  | $fh, IPPROTO_TCP, 9, 1 | 
| 62 |  |  |  |  |  |  | or carp "accept_filter($name) failed: ".({ reverse %! }->{0+$!}).": $!"; | 
| 63 | 1 |  |  |  |  | 7 | return $rc; | 
| 64 |  |  |  |  |  |  | } | 
| 65 |  |  |  |  |  |  | else { | 
| 66 | 0 |  |  |  |  |  | carp("accept_filter $name not implemented for on $^O"); | 
| 67 | 0 |  |  |  |  |  | return; | 
| 68 |  |  |  |  |  |  | } | 
| 69 |  |  |  |  |  |  | } | 
| 70 |  |  |  |  |  |  |  | 
| 71 |  |  |  |  |  |  | =head1 AUTHOR | 
| 72 |  |  |  |  |  |  |  | 
| 73 |  |  |  |  |  |  | Mons Anderson, C<<  >> | 
| 74 |  |  |  |  |  |  |  | 
| 75 |  |  |  |  |  |  | =head1 SUPPORT | 
| 76 |  |  |  |  |  |  |  | 
| 77 |  |  |  |  |  |  | You can find documentation for this module with the perldoc command. | 
| 78 |  |  |  |  |  |  |  | 
| 79 |  |  |  |  |  |  | perldoc Socket::AcceptFilter | 
| 80 |  |  |  |  |  |  |  | 
| 81 |  |  |  |  |  |  | You can also look for information at: | 
| 82 |  |  |  |  |  |  |  | 
| 83 |  |  |  |  |  |  | =over 4 | 
| 84 |  |  |  |  |  |  |  | 
| 85 |  |  |  |  |  |  | =item * RT: CPAN's request tracker | 
| 86 |  |  |  |  |  |  |  | 
| 87 |  |  |  |  |  |  | L | 
| 88 |  |  |  |  |  |  |  | 
| 89 |  |  |  |  |  |  | =item * Search CPAN | 
| 90 |  |  |  |  |  |  |  | 
| 91 |  |  |  |  |  |  | L | 
| 92 |  |  |  |  |  |  |  | 
| 93 |  |  |  |  |  |  | =back | 
| 94 |  |  |  |  |  |  |  | 
| 95 |  |  |  |  |  |  | =head1 COPYRIGHT & LICENSE | 
| 96 |  |  |  |  |  |  |  | 
| 97 |  |  |  |  |  |  | Copyright 2009 Mons Anderson, all rights reserved. | 
| 98 |  |  |  |  |  |  |  | 
| 99 |  |  |  |  |  |  | This program is free software; you can redistribute it and/or modify it | 
| 100 |  |  |  |  |  |  | under the same terms as Perl itself. | 
| 101 |  |  |  |  |  |  |  | 
| 102 |  |  |  |  |  |  | =cut | 
| 103 |  |  |  |  |  |  |  | 
| 104 |  |  |  |  |  |  | 1; # End of Socket::AcceptFilter |