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1 | package Catalyst::Engine::HTTP::Daemon; |
2 | |
3 | use strict; |
4 | use base 'Catalyst::Engine::HTTP::Base'; |
5 | |
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6 | use IO::Select; |
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7 | |
8 | =head1 NAME |
9 | |
10 | Catalyst::Engine::HTTP::Daemon - Catalyst HTTP Daemon Engine |
11 | |
12 | =head1 SYNOPSIS |
13 | |
14 | A script using the Catalyst::Engine::HTTP::Daemon module might look like: |
15 | |
16 | #!/usr/bin/perl -w |
17 | |
18 | BEGIN { $ENV{CATALYST_ENGINE} = 'HTTP::Daemon' } |
19 | |
20 | use strict; |
21 | use lib '/path/to/MyApp/lib'; |
22 | use MyApp; |
23 | |
24 | MyApp->run; |
25 | |
26 | =head1 DESCRIPTION |
27 | |
28 | This is the Catalyst engine specialized for development and testing. |
29 | |
30 | =head1 OVERLOADED METHODS |
31 | |
32 | This class overloads some methods from C<Catalyst::Engine::HTTP::Base>. |
33 | |
34 | =over 4 |
35 | |
bce14c0d |
36 | =item $c->handler |
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37 | |
38 | =cut |
39 | |
bce14c0d |
40 | sub handler { |
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41 | my ( $class, $request, $response, $client ) = @_; |
bce14c0d |
42 | |
8a0ec4fd |
43 | $request->uri->scheme('http'); # Force URI::http |
44 | $request->uri->host( $request->header('Host') || $client->sockhost ); |
45 | $request->uri->port( $client->sockport ); |
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46 | |
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47 | my $http = Catalyst::Engine::HTTP::Base::struct->new( |
48 | address => $client->peerhost, |
49 | request => $request, |
50 | response => $response |
51 | ); |
bce14c0d |
52 | |
8a0ec4fd |
53 | $class->SUPER::handler($http); |
bce14c0d |
54 | } |
55 | |
56 | =item $c->run |
57 | |
58 | =cut |
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59 | |
60 | sub run { |
61 | my $class = shift; |
62 | my $port = shift || 3000; |
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63 | |
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64 | $SIG{'PIPE'} = 'IGNORE'; |
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65 | |
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66 | my $daemon = Catalyst::Engine::HTTP::Daemon::Catalyst->new( |
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67 | Listen => 1, |
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68 | LocalPort => $port, |
69 | ReuseAddr => 1, |
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70 | Timeout => 5 |
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71 | ); |
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72 | |
b4ca0ee8 |
73 | unless ( defined $daemon ) { |
8a0ec4fd |
74 | die(qq/Failed to create daemon. Reason: '$!'/); |
b4ca0ee8 |
75 | } |
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76 | |
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77 | my $base = URI->new( $daemon->url )->canonical; |
78 | |
79 | printf( "You can connect to your server at %s\n", $base ); |
80 | |
8a0ec4fd |
81 | my $select = IO::Select->new($daemon); |
82 | |
83 | while (1) { |
84 | |
abdcb6e4 |
85 | for my $client ( $select->can_read(0.1) ) { |
8a0ec4fd |
86 | |
87 | if ( $client == $daemon ) { |
88 | $client = $daemon->accept; |
89 | $client->blocking(0); |
90 | $select->add($client); |
91 | } |
92 | |
93 | else { |
94 | next if $client->request; |
95 | next if $client->response; |
96 | |
97 | my $read = $client->sysread( my $buf, 4096 ); |
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98 | |
8a0ec4fd |
99 | unless ( defined($read) && length($buf) ) { |
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100 | |
8a0ec4fd |
101 | $select->remove($client); |
102 | $client->close; |
103 | |
104 | next; |
105 | } |
106 | |
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107 | $client->request_buffer .= $buf; |
108 | $client->request = $client->get_request; |
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109 | } |
110 | } |
111 | |
112 | for my $client ( $select->handles ) { |
113 | |
114 | next if $client == $daemon; |
115 | next if $client->response; |
116 | next unless $client->request; |
117 | |
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118 | $client->response = HTTP::Response->new; |
119 | $client->response->protocol( $client->request->protocol ); |
120 | $class->handler( $client->request, $client->response, $client ); |
8a0ec4fd |
121 | } |
122 | |
123 | for my $client ( $select->can_write(0) ) { |
124 | |
125 | next unless $client->response; |
126 | |
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127 | unless ( $client->response_buffer ) { |
128 | $client->response_buffer = $client->response->as_string; |
129 | $client->response_offset = 0; |
130 | } |
131 | |
132 | my $write = $client->syswrite( $client->response_buffer, |
133 | $client->response_length, |
134 | $client->response_offset ); |
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135 | |
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136 | $client->response_offset += $write; |
137 | |
138 | unless ( defined($write) ) { |
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139 | |
8a0ec4fd |
140 | $select->remove($client); |
141 | $client->close; |
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142 | |
143 | next; |
8a0ec4fd |
144 | } |
145 | |
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146 | if ( $client->response_offset == $client->response_length ) { |
147 | |
148 | my $connection = $client->request->header('Connection'); |
149 | |
150 | unless ( $connection && $connection =~ /Keep-Alive/i ) { |
151 | $select->remove($client); |
152 | $client->close; |
153 | } |
154 | |
155 | $client->response = undef; |
156 | $client->request = undef; |
157 | $client->response_buffer = undef; |
158 | } |
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159 | } |
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160 | } |
161 | } |
162 | |
163 | =back |
164 | |
165 | =head1 SEE ALSO |
166 | |
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167 | L<Catalyst>, L<Catalyst::Engine>, L<Catalyst::Engine::HTTP::Base>, |
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168 | L<HTTP::Daemon>. |
169 | |
170 | =head1 AUTHOR |
171 | |
172 | Sebastian Riedel, C<sri@cpan.org> |
173 | Christian Hansen, C<ch@ngmedia.com> |
174 | |
175 | =head1 COPYRIGHT |
176 | |
177 | This program is free software, you can redistribute it and/or modify it under |
178 | the same terms as Perl itself. |
179 | |
180 | =cut |
181 | |
296e7663 |
182 | package Catalyst::Engine::HTTP::Daemon::Catalyst; |
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183 | |
184 | use strict; |
185 | use base 'HTTP::Daemon'; |
186 | |
8a0ec4fd |
187 | sub accept { |
188 | return shift->SUPER::accept('Catalyst::Engine::HTTP::Daemon::Client'); |
189 | } |
190 | |
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191 | sub product_tokens { |
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192 | return "Catalyst/$Catalyst::VERSION"; |
193 | } |
194 | |
195 | package Catalyst::Engine::HTTP::Daemon::Client; |
196 | |
197 | use strict; |
198 | use base 'HTTP::Daemon::ClientConn'; |
199 | |
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200 | sub request : lvalue { |
8a0ec4fd |
201 | my $self = shift; |
abdcb6e4 |
202 | ${*$self}{'request'}; |
8a0ec4fd |
203 | } |
204 | |
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205 | sub request_buffer : lvalue { |
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206 | my $self = shift; |
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207 | ${*$self}{'httpd_rbuf'}; |
208 | } |
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209 | |
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210 | sub response : lvalue { |
211 | my $self = shift; |
212 | ${*$self}{'response'}; |
8a0ec4fd |
213 | } |
214 | |
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215 | sub response_buffer : lvalue { |
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216 | my $self = shift; |
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217 | ${*$self}{'httpd_wbuf'}; |
218 | } |
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219 | |
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220 | sub response_length { |
221 | my $self = shift; |
222 | return length( $self->response_buffer ); |
223 | } |
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224 | |
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225 | sub response_offset : lvalue { |
226 | my $self = shift; |
227 | ${*$self}{'httpd_woffset'}; |
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228 | } |
229 | |
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230 | |
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231 | 1; |