/[Frey]/trunk/lib/Frey/Server.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
ViewVC logotype

Contents of /trunk/lib/Frey/Server.pm

Parent Directory Parent Directory | Revision Log Revision Log


Revision 542 - (show annotations)
Wed Nov 26 19:13:53 2008 UTC (15 years, 5 months ago) by dpavlin
File size: 5759 byte(s)
check syntax on reload
1 package Frey::Server;
2
3 use Moose;
4 extends 'Frey';
5 with 'Frey::Web';
6 with 'Frey::Config';
7
8 use Continuity;
9 #use Continuity::REPL;
10 use Data::Dump qw/dump/;
11
12 #use Carp::REPL; ## XXX it would be nice, but it breaks error reporting too much
13 use Frey::ClassLoader;
14 use Frey::Run;
15 use Frey::Editor;
16
17 my @messages; # Global (shared) list of messages
18 my $got_message; # Flag to indicate that there is a new message to display
19
20 use vars qw( $repl $server );
21
22 #$repl = Continuity::REPL->new;
23
24 =head1 NAME
25
26 Frey::Server - Continuity based server for Frey
27
28 =head2 DESCRIPTION
29
30 This is one of pissible server implementations for Frey. In it's current stage, it's also most complete one.
31
32 =head2 run
33
34 $o->run( $optional_port );
35
36 =cut
37
38 sub run {
39 my ( $self, $port ) = @_;
40 $server = Continuity->new(
41 port => $port || $self->config->{port} || 16001,
42 path_session => 1,
43 cookie_session => 'sid',
44 callback => \&main,
45 debug_level => 2,
46 staticp => sub {
47 $_[0]->url =~ m{^/+(static|var).*\.(jpg|jpeg|gif|png|css|ico|js|html?|xml|json|ya?ml)(\?.*)?$}
48 },
49 );
50 $Module::Reload::Debug = 1; # auto if debug_level > 1
51 Frey::ClassLoader->new->load_all_classes();
52 $server->loop;
53 }
54
55 =head2 main
56
57 This is simple dispatcher for our server. Currently it's in flux and
58 documented only in source code.
59
60 =cut
61
62 sub main {
63 my ($req) = @_;
64
65 my $path = $req->request->url->path;
66
67 eval {
68
69 sub refresh {
70 my ( $url, $time ) = @_;
71 $url ||= '/';
72 $time ||= 1;
73 warn "# refresh $url";
74 qq|
75 <html>
76 <head>
77 <META HTTP-EQUIV="Refresh" CONTENT="$time; URL=$url"></META>
78 </head>
79 <body>
80 Refresh <a href="$url"><tt>$url</tt></a> in $time sec
81 </body>
82 </html>
83 \n\r\n\r
84 |; # XXX newlines at end are important to flush content to browser
85 }
86
87 if ( $path =~ m{/reload(.*)} ) {
88
89 $ENV{FREY_NO_LOG} = 1;
90 my $cmd = "perl -c $0";
91 warn "# check config with $cmd";
92 if ( system($cmd) == 0 ) {
93 Frey::Server->new->load_config;
94 Module::Reload->check;
95 $req->print( refresh( $1, 1 ) );
96 warn "# reload done";
97 return;
98 } else {
99 warn "ERROR: $?";
100 }
101 $ENV{FREY_NO_LOG} = 0;
102
103 } elsif ( $path =~ m{/exit(.*)} ) {
104 # FIXME do we need some kind of check here for production? :-)
105 # ./bin/dev.sh will restart us during development
106 $req->print( refresh( $1, 2 ) );
107 exit;
108 }
109
110 # warn $req->request->header('User_Agent');
111
112 my %params = $req->params;
113 my $html;
114
115 sub rest2class {
116 my $class = shift;
117 $class =~ s/-/::/; # sigh!
118 return $class;
119 }
120
121
122 my $f;
123
124 my $editor = Frey::Editor->new;
125
126 # shared run params
127 my $run = {
128 request_url => $req->request->url,
129 debug => 1,
130 };
131
132 if (
133 $path =~ m{/Frey[:-]+ObjectBrowser}
134 ) {
135 $f = Frey::ObjectBrowser->new( fey_class => $params{class} );
136 $f->request( $req );
137 } elsif (
138 $path =~ m{/Frey[:-]+ObjectDesigner}
139 ) {
140 $f = Frey::ObjectDesigner->new( fey_class => $params{class} );
141 $f->request( $req );
142 } elsif ( $path =~ $editor->url_regex ) {
143 $req->print( $editor->command( $path ) );
144 system( $editor->command( $path ) );
145 return;
146 } elsif (
147 $path =~ m{/([^/]+)/(as_\w+)/?([^/]+)?}
148 ) {
149 my $class = rest2class $1;
150 warn "# run $path -> $class $2";
151 $run->{format} = $3 if $3;
152 $params{request_url} = $req->request->url;
153 $f = Frey::Run->new( class => $class, params => \%params, run => $2, %$run );
154 } elsif (
155 $path =~ m{/([^/]+)/?$}
156 ) {
157 my $class = rest2class $1;
158 warn "# introspect $class";
159 $f = Frey::Run->new( class => 'Frey::Introspect', params => { class => $class }, %$run );
160 } else {
161 $f = Frey::Run->new( class => 'Frey::ClassBrowser', %$run );
162 }
163
164 if ( $f ) {
165 $f->clean_status;
166 $f->add_status( { request => $req } );
167 warn "## status ", dump( map { keys %$_ } $f->status );
168 my $html = $f->html;
169 die "no html output" unless $html;
170 warn "## html ",length($html)," bytes";
171 eval {
172 $req->print( $html );
173 };
174 die "can't send to wire: $@" if $@;
175 } else {
176 warn "# can't call request on nothing!";
177 }
178
179 };
180
181 if ( $@ ) {
182 warn $@;
183 $req->conn->send_error( 404 ); # FIXME this should probably be 500, but we can't ship page with it
184 $req->print( qq{<pre class="frey-error">$@<pre>} );
185 # Carp::REPL::repl;
186 }
187
188 # If this is a request for the pushtream, then give them that
189 if($path =~ /pushstream/) {
190 pushstream($req);
191 }
192
193 # If they are sending us a message, we give them a thread for that too
194 if($path =~ /sendmessage/) {
195 send_message($req);
196 }
197
198 if ( $req->conn ) {
199 $req->conn->close;
200 warn "## close connection: $@";
201 }
202 }
203
204 # Here we accept a connection to the browser, and keep it open. Meanwhile we
205 # watch the global $got_message variable, and when it gets touched we send off
206 # the list of messages through the held-open connection. Then we let the
207 # browser open a new connection and begin again.
208 sub pushstream {
209 my ($req) = @_;
210 # Set up watch event -- this will be triggered when $got_message is written
211 my $w = Coro::Event->var(var => \$got_message, poll => 'w');
212 while(1) {
213 print STDERR "**** GOT MESSAGE, SENDING ****\n";
214 my $log = join "<br>", @messages;
215 $req->print($log);
216 $req->next;
217 print STDERR "**** Waiting for got_message indicator ****\n";
218 $w->next;
219 }
220 }
221
222
223 # Watch for the user to send us a message. As soon as we get it, we add it to
224 # our list of messages and touch the $got_message flag to let all the
225 # pushstreams know.
226 sub send_message {
227 my ($req) = @_;
228 while(1) {
229 my $msg = $req->param('message');
230 my $name = $req->param('username');
231 if($msg) {
232 unshift @messages, "$name: $msg";
233 pop @messages if $#messages > 15; # Only keep the recent 15 messages
234 }
235 $got_message = 1;
236 $req->print("Got it!");
237 $req->next;
238 }
239 }
240
241 1;

  ViewVC Help
Powered by ViewVC 1.1.26