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1 | package Catalyst::Engine::FastCGI; |
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2 | |
3 | use strict; |
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4 | use base 'Catalyst::Engine::CGI'; |
5 | use FCGI; |
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6 | |
7 | =head1 NAME |
8 | |
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9 | Catalyst::Engine::FastCGI - FastCGI Engine |
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10 | |
11 | =head1 DESCRIPTION |
12 | |
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13 | This is the FastCGI engine. |
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14 | |
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15 | =head1 OVERLOADED METHODS |
16 | |
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17 | This class overloads some methods from C<Catalyst::Engine::CGI>. |
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18 | |
19 | =over 4 |
20 | |
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21 | =item $self->run($c, $listen, { option => value, ... }) |
22 | |
23 | Starts the FastCGI server. If C<$listen> is set, then it specifies a |
24 | location to listen for FastCGI requests; |
25 | |
26 | Form Meaning |
27 | /path listen via Unix sockets on /path |
28 | :port listen via TCP on port on all interfaces |
29 | hostname:port listen via TCP on port bound to hostname |
30 | |
31 | Options may also be specified; |
32 | |
33 | Option Meaning |
34 | leave_umask Set to 1 to disable setting umask to 0 |
35 | for socket open |
36 | nointr Do not allow the listener to be |
37 | interrupted by Ctrl+C |
38 | nproc Specify a number of processes for |
39 | FCGI::ProcManager |
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40 | |
41 | =cut |
42 | |
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43 | sub run { |
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44 | my ( $self, $class, $listen, $options ) = @_; |
45 | |
46 | my $sock; |
47 | if ($listen) { |
48 | my $old_umask = umask; |
49 | unless ( $options->{leave_umask} ) { |
50 | umask(0); |
51 | } |
52 | $sock = FCGI::OpenSocket( $listen, 100 ) |
53 | or die "failed to open FastCGI socket; $!"; |
54 | unless ( $options->{leave_umask} ) { |
55 | umask($old_umask); |
56 | } |
57 | } |
58 | else { |
59 | -S STDIN |
60 | or die "STDIN is not a socket; specify a listen location"; |
61 | } |
62 | |
63 | $options ||= {}; |
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64 | |
65 | my %env; |
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66 | |
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67 | my $request = |
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68 | FCGI::Request( \*STDIN, \*STDOUT, \*STDERR, \%env, $sock, |
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69 | ( $options->{nointr} ? 0 : &FCGI::FAIL_ACCEPT_ON_INTR ), |
70 | ); |
71 | |
72 | my $proc_manager; |
73 | |
74 | if ( $listen and ( $options->{nproc} || 1 ) > 1 ) { |
75 | require FCGI::ProcManager; |
76 | $proc_manager = |
77 | FCGI::ProcManager->new( { n_processes => $options->{nproc} } ); |
78 | $proc_manager->pm_manage(); |
79 | } |
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80 | |
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81 | while ( $request->Accept >= 0 ) { |
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82 | $proc_manager && $proc_manager->pm_pre_dispatch(); |
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83 | $class->handle_request( env => \%env ); |
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84 | $proc_manager && $proc_manager->pm_pre_dispatch(); |
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85 | } |
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86 | } |
87 | |
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88 | =item $self->write($c, $buffer) |
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89 | |
90 | =cut |
91 | |
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92 | sub write { |
93 | my ( $self, $c, $buffer ) = @_; |
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94 | |
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95 | unless ( $self->{_prepared_write} ) { |
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96 | $self->prepare_write($c); |
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97 | $self->{_prepared_write} = 1; |
98 | } |
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99 | |
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100 | # FastCGI does not stream data properly if using 'print $handle', |
101 | # but a syswrite appears to work properly. |
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102 | *STDOUT->syswrite($buffer); |
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103 | } |
104 | |
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105 | 1; |
106 | __END__ |
107 | |
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108 | =back |
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109 | |
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110 | =head1 WEB SERVER CONFIGURATIONS |
111 | |
112 | =head2 Apache 1.x, 2.x |
113 | |
114 | Apache requires the mod_fastcgi module. The following config will let Apache |
115 | control the running of your FastCGI processes. |
116 | |
117 | # Launch the FastCGI processes |
118 | FastCgiIpcDir /tmp |
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119 | FastCgiServer /var/www/MyApp/script/myapp_fastcgi.pl -idle-timeout 300 -processes 5 |
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120 | |
121 | <VirtualHost *> |
122 | ScriptAlias / /var/www/MyApp/script/myapp_fastcgi.pl/ |
123 | </VirtualHost> |
124 | |
125 | You can also tell Apache to connect to an external FastCGI server: |
126 | |
127 | # Start the external server (requires FCGI::ProcManager) |
128 | $ script/myapp_fastcgi.pl -l /tmp/myapp.socket -n 5 |
129 | |
130 | # Note that the path used in FastCgiExternalServer can be any path |
131 | FastCgiIpcDir /tmp |
132 | FastCgiExternalServer /tmp/myapp_fastcgi.pl -socket /tmp/myapp.socket |
133 | |
134 | <VirtualHost *> |
135 | ScriptAlias / /tmp/myapp_fastcgi.pl/ |
136 | </VirtualHost> |
137 | |
138 | For more information on using FastCGI under Apache, visit |
139 | L<http://www.fastcgi.com/mod_fastcgi/docs/mod_fastcgi.html> |
140 | |
141 | =head2 Lighttpd |
142 | |
143 | This configuration was tested with Lighttpd 1.4.7. |
144 | |
145 | server.document-root = "/var/www/MyApp/root" |
146 | |
147 | fastcgi.server = ( |
148 | "" => ( |
149 | "MyApp" => ( |
150 | "socket" => "/tmp/myapp.socket", |
151 | "check-local" => "disable", |
152 | "bin-path" => "/var/www/MyApp/script/myapp_fastcgi.pl", |
153 | "min-procs" => 2, |
154 | "max-procs" => 5, |
155 | "idle-timeout" => 20 |
156 | ) |
157 | ) |
158 | ) |
159 | |
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160 | You can also run your application at any non-root location. |
161 | |
162 | fastcgi.server = ( |
163 | "/myapp" => ( |
164 | "MyApp" => ( |
165 | # same as above |
166 | ) |
167 | ) |
168 | ) |
169 | |
170 | You can also use an external server: |
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171 | |
172 | # Start the external server (requires FCGI::ProcManager) |
173 | $ script/myapp_fastcgi.pl -l /tmp/myapp.socket -n 5 |
174 | |
175 | server.document-root = "/var/www/MyApp/root" |
176 | |
177 | fastcgi.server = ( |
178 | "" => ( |
179 | "MyApp" => ( |
180 | "socket" => "/tmp/myapp.socket", |
181 | "check-local" => "disable" |
182 | ) |
183 | ) |
184 | ) |
185 | |
186 | For more information on using FastCGI under Lighttpd, visit |
187 | L<http://www.lighttpd.net/documentation/fastcgi.html> |
188 | |
189 | =head2 IIS |
190 | |
191 | It is possible to run Catalyst under IIS with FastCGI, but we do not |
192 | yet have detailed instructions. |
193 | |
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194 | =head1 SEE ALSO |
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195 | |
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196 | L<Catalyst>, L<FCGI>. |
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197 | |
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198 | =head1 AUTHORS |
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199 | |
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200 | Sebastian Riedel, <sri@cpan.org> |
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201 | |
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202 | Christian Hansen, <ch@ngmedia.com> |
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203 | |
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204 | Andy Grundman, <andy@hybridized.org> |
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205 | |
206 | =head1 COPYRIGHT |
207 | |
208 | This program is free software, you can redistribute it and/or modify it under |
209 | the same terms as Perl itself. |
210 | |
211 | =cut |