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package Frey::Server; |
package Frey::Server; |
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use strict; |
use Moose; |
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use warnings; |
extends 'Frey::Editor'; |
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with 'Frey::Config'; |
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use Continuity; |
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use Continuity::REPL; |
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use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
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use base 'Frey'; |
#use Carp::REPL; # 'nodie'; |
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use Frey::HTML; |
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my @messages; # Global (shared) list of messages |
use lib 'lib'; |
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my $got_message; # Flag to indicate that there is a new message to display |
use Frey::Run; |
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use vars qw( $repl $server ); |
has 'port' => ( |
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documentation => 'port on which server listen', |
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is => 'ro', |
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isa => 'Int', |
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default => sub { |
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my $self = shift; |
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$ENV{FREY_PORT} || $self->config->{port} || 16001 |
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}, |
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); |
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#$repl = Continuity::REPL->new; |
has 'editor' => ( |
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$server = Continuity->new( |
is => 'ro', |
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port => 16001, |
isa => 'Frey::Editor', |
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path_session => 1, |
lazy => 1, |
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cookie_session => 'sid', |
default => sub { |
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callback => \&main, |
Frey::Editor->new; |
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}, |
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); |
); |
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$server->debug_level( 2 ); |
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sub run { |
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$server->loop; |
=head2 request |
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} |
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my @callbacks; |
This is simple dispatcher for our server. Currently it's in flux and |
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my $callback_count; |
documented only in source code. |
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sub gen_link { |
my $content_type = $self->request( $url, $params ); |
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my ($text, $code) = @_; |
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$callbacks[$callback_count++] = $code; |
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return qq{<a href="?cb=$callback_count">$text</a>}; |
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} |
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sub process_links { |
=cut |
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my $request = shift; |
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my $cb = $request->param('cb'); |
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if (exists $callbacks[$cb]) { |
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$callbacks[$cb]->($request); |
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delete $callbacks[$cb]; |
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} |
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} |
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# This is the main entrypoint. We are looking for one of three things -- a |
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# pushstream, a sent message, or a request for the main HTML. We delegate each |
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# of these cases, none of which will return (they all loop forever). |
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sub main { |
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my ($req) = @_; |
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my $path = $req->request->url->path; |
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warn "REQUEST: $path\n"; |
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warn $req->request->header('User_Agent'); |
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#warn dump( $req ); |
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# If this is a request for the pushtream, then give them that |
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if($path =~ /pushstream/) { |
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pushstream($req); |
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} |
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# If they are sending us a message, we give them a thread for that too |
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if($path =~ /sendmessage/) { |
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send_message($req); |
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} |
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# Otherwise, lets give them page |
sub print { |
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send_page($req); |
my $self = shift; |
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warn "# print ", join(' ', map { length $_ } @_ ); |
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$self->{_print}->( @_ ); |
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} |
} |
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# Here we accept a connection to the browser, and keep it open. Meanwhile we |
sub request { |
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# watch the global $got_message variable, and when it gets touched we send off |
my ( $self, $url, $params ) = @_; |
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# the list of messages through the held-open connection. Then we let the |
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# browser open a new connection and begin again. |
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sub pushstream { |
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my ($req) = @_; |
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# Set up watch event -- this will be triggered when $got_message is written |
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my $w = Coro::Event->var(var => \$got_message, poll => 'w'); |
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while(1) { |
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print STDERR "**** GOT MESSAGE, SENDING ****\n"; |
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my $log = join "<br>", @messages; |
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$req->print($log); |
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$req->next; |
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print STDERR "**** Waiting for got_message indicator ****\n"; |
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$w->next; |
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} |
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} |
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if ( my $ref = ref($url) ) { |
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die "url not URI but ", dump( $url ) unless $ref =~ m{^URI}; |
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} else { |
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$url = URI->new($url); |
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} |
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# Watch for the user to send us a message. As soon as we get it, we add it to |
my $path = $url->path; |
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# our list of messages and touch the $got_message flag to let all the |
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# pushstreams know. |
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sub send_message { |
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my ($req) = @_; |
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while(1) { |
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my $msg = $req->param('message'); |
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my $name = $req->param('username'); |
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if($msg) { |
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unshift @messages, "$name: $msg"; |
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pop @messages if $#messages > 15; # Only keep the recent 15 messages |
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} |
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$got_message = 1; |
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$req->print("Got it!"); |
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$req->next; |
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} |
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} |
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# This isn't a pushstream, nor a new message. It is just the main page. We loop |
if ( $path =~ m{^/(favicon.ico|__history__.html)$} ) { |
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# in case they ask for it multiple times :) |
warn "INFO: $path ignored"; |
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sub send_page { |
return { code => 404, content_type => 'text/plain' }; |
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my ($req) = @_; |
} |
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my $templates = Template::Declare->templates; |
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while(1) { |
my $request = { |
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warn "param = ",dump($req->param); |
content_type => 'text/html', |
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my $path = $req->request->url->path; |
code => 200, |
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}; |
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eval { |
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if ( $path =~ m{/reload(.*)} ) { |
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$ENV{FREY_NO_LOG} = 1; |
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my $cmd = "perl -c $0"; |
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warn "# check syntax with $cmd"; |
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if ( system($cmd) == 0 ) { |
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my $server = Frey::Server->new; |
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$self->load_config; |
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# Module::Reload->check; |
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warn "# reload done"; |
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$self->print( refresh( $1, 0 ) ); |
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return; |
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} else { |
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warn "ERROR: $?"; |
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} |
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$ENV{FREY_NO_LOG} = 0; |
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} elsif ( $path =~ m{/exit(.*)} ) { |
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# FIXME do we need some kind of check here for production? :-) |
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# ./bin/dev.sh will restart us during development |
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$self->print( refresh( $1, 2 ) ); |
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exit; |
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} |
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my $html; |
my $html; |
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if ( $path =~ m/::/ ) { |
sub rest2class { |
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my ( undef, $module, $method ) = split(m!/!, $path, 3); |
my $class = shift; |
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$class =~ s/-/::/; # sigh! |
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return $class; |
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} |
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my $f; |
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# shared run params |
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my $run = { |
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request_url => $url, |
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# debug => 1, |
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}; |
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if ( |
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$path =~ m{/Frey[:-]+ObjectBrowser} |
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) { |
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$f = Frey::ObjectBrowser->new( fey_class => $params->{class} ); |
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# $f->request( $req ); |
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} elsif ( |
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$path =~ m{/Frey[:-]+ObjectDesigner} |
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) { |
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$f = Frey::ObjectDesigner->new( fey_class => $params->{class} ); |
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# $f->request( $req ); |
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} elsif ( $path =~ $self->editor->url_regex ) { |
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$self->print( $self->editor->command( $path ) ); |
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return; |
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} elsif ( |
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$path =~ m{/([^/]+)/(\w+)/?([^/]+)?} |
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) { |
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my $class = rest2class $1; |
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warn "# run $path -> $class $2"; |
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$run->{format} = $3 if $3; |
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foreach my $p ( keys %$params ) { |
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$run->{$p} = $params->{$p} if defined $params->{$p} && $params->{$p} ne ''; |
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} |
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$f = Frey::Run->new( class => $class, params => $run, run => $2 ); |
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} elsif ( |
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$path =~ m{/([^/]+)/?$} |
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) { |
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my $class = rest2class $1; |
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warn "# introspect $class"; |
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$run->{class} ||= $class; |
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$f = Frey::Run->new( class => 'Frey::Introspect', params => $run ); |
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} else { |
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$f = Frey::Run->new( class => 'Frey::Class::Browser', params => $run ); |
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} |
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if ( ! defined( $templates->{$module} ) ) { |
if ( $f ) { |
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$req->conn->send_status_line( 404, "$module" ); |
$f->clean_status; |
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$html = "Package $module not found"; |
# $f->add_status( { request => $req } ); |
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} elsif ( ! $method ) { |
$f->status_parts; |
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$html = Frey::HTML->page( 'package-methods', $req, $module ); |
if ( my $html = $f->html ) { |
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} elsif ( grep(/^\Q$method\E$/, @{ $templates->{$module} }) ) { |
warn "## html ",length($html)," bytes"; |
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$html = Frey::HTML->page( $method, $req ); |
$self->print( $html ); |
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} else { |
} else { |
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$req->conn->send_status_line( 404, "$module $method" ); |
confess "no output from $f"; |
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$html = "Package $module doesn't have $method"; |
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} |
} |
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} else { |
} else { |
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warn "fallback to status page\n"; |
confess "# can't call request on nothing!"; |
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$html = Frey::HTML->page( 'status' ); |
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} |
} |
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$req->print( $html ); |
$request->{content_type} = $f->content_type; |
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warn ">> ",length( $html ), " bytes\n"; |
}; |
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$req->next; |
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if ( $@ ) { |
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warn "SERVER ERROR: $@"; |
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$self->print( qq|<pre class="frey-error">$@<pre>| ); |
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# Carp::REPL::repl; |
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return { |
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content_type => 'text/html', |
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code => 404, |
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} |
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} |
} |
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return $request; |
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} |
} |
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sub refresh { |
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my ( $url, $time ) = @_; |
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$url ||= '/'; |
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$time ||= 0; |
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warn "# refresh $url"; |
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qq| |
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<html> |
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<head> |
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<META HTTP-EQUIV="Refresh" CONTENT="$time; URL=$url"></META> |
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</head> |
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<body> |
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Refresh <a href="$url"><tt>$url</tt></a> in $time sec |
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</body> |
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</html> |
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\n\r\n\r |
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|; # XXX newlines at end are important to flush content to browser |
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} |
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__PACKAGE__->meta->make_immutable; |
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no Moose; |
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my $timestamp_interval = 3; |
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my $output_tell = 0; |
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$SIG{ALRM} = sub { |
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if ( tell(STDERR) != $output_tell ) { |
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warn "\nTIMESTAMP: " . localtime() . "\n\n"; |
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$output_tell = tell(STDERR); |
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} |
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alarm $timestamp_interval; |
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}; |
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alarm $timestamp_interval; |
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1; |
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