Commit | Line | Data |
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1 | package Catalyst::Engine::HTTP::Restarter; |
2 | |
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3 | use MRO::Compat; |
4 | use mro 'c3'; |
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5 | use Moose; |
6 | extends 'Catalyst::Engine::HTTP'; |
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7 | no Moose; |
8 | |
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9 | use Catalyst::Engine::HTTP::Restarter::Watcher; |
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10 | |
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11 | sub run { |
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12 | my ( $self, $class, $port, $host, $options ) = @_; |
13 | |
14 | $options ||= {}; |
15 | |
16 | # Setup restarter |
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17 | unless ( my $restarter = fork ) { |
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18 | |
19 | # Prepare |
20 | close STDIN; |
21 | close STDOUT; |
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22 | |
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23 | my $watcher = Catalyst::Engine::HTTP::Restarter::Watcher->new( |
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24 | directory => ( |
25 | $options->{restart_directory} || |
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26 | File::Spec->catdir( $FindBin::Bin, '..' ) |
27 | ), |
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28 | follow_symlinks => $options->{follow_symlinks}, |
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29 | regex => $options->{restart_regex}, |
30 | delay => $options->{restart_delay}, |
31 | ); |
32 | |
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33 | $host ||= '127.0.0.1'; |
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34 | while (1) { |
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35 | |
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36 | # poll for changed files |
37 | my @changed_files = $watcher->watch(); |
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38 | |
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39 | # check if our parent process has died |
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40 | exit if $^O ne 'MSWin32' and getppid == 1; |
41 | |
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42 | # Restart if any files have changed |
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43 | if (@changed_files) { |
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44 | my $files = join ', ', @changed_files; |
45 | print STDERR qq/File(s) "$files" modified, restarting\n\n/; |
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46 | |
47 | require IO::Socket::INET; |
48 | require HTTP::Headers; |
49 | require HTTP::Request; |
50 | |
51 | my $client = IO::Socket::INET->new( |
52 | PeerAddr => $host, |
53 | PeerPort => $port |
54 | ) |
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55 | or die "Can't create client socket (is server running?): ", |
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56 | $!; |
57 | |
58 | # build the Kill request |
59 | my $req = |
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60 | HTTP::Request->new( 'RESTART', '/', |
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61 | HTTP::Headers->new( 'Connection' => 'close' ) ); |
62 | $req->protocol('HTTP/1.0'); |
63 | |
64 | $client->send( $req->as_string ) |
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65 | or die "Can't send restart instruction: ", $!; |
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66 | $client->close(); |
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67 | exit; |
68 | } |
69 | } |
70 | } |
71 | |
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72 | return $self->next::method( $class, $port, $host, $options ); |
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73 | }; |
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74 | |
75 | 1; |
76 | __END__ |
77 | |
78 | =head1 NAME |
79 | |
80 | Catalyst::Engine::HTTP::Restarter - Catalyst Auto-Restarting HTTP Engine |
81 | |
82 | =head1 SYNOPSIS |
83 | |
84 | script/myapp_server.pl -restart |
85 | |
86 | =head1 DESCRIPTION |
87 | |
88 | The Restarter engine will monitor files in your application for changes |
89 | and restart the server when any changes are detected. |
90 | |
91 | =head1 METHODS |
92 | |
b5ecfcf0 |
93 | =head2 run |
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94 | |
95 | =head1 SEE ALSO |
96 | |
97 | L<Catalyst>, L<Catalyst::Engine::HTTP>, L<Catalyst::Engine::CGI>, |
98 | L<Catalyst::Engine>. |
99 | |
100 | =head1 AUTHORS |
101 | |
102 | Sebastian Riedel, <sri@cpan.org> |
103 | |
104 | Dan Kubb, <dan.kubb-cpan@onautopilot.com> |
105 | |
106 | Andy Grundman, <andy@hybridized.org> |
107 | |
108 | =head1 THANKS |
109 | |
110 | Many parts are ripped out of C<HTTP::Server::Simple> by Jesse Vincent. |
111 | |
112 | =head1 COPYRIGHT |
113 | |
114 | This program is free software, you can redistribute it and/or modify it under |
115 | the same terms as Perl itself. |
116 | |
117 | =cut |