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package Frey::Server; |
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|
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use Moose; |
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|
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with 'Frey::Web'; |
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|
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use Continuity; |
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#use Continuity::REPL; |
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use Data::Dump qw/dump/; |
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|
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#use Carp::REPL; ## XXX it would be nice, but it breaks error reporting too much |
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use Frey::ClassLoader; |
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use Frey::Run; |
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|
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my @messages; # Global (shared) list of messages |
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my $got_message; # Flag to indicate that there is a new message to display |
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|
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use vars qw( $repl $server ); |
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|
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#$repl = Continuity::REPL->new; |
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|
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=head1 NAME |
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|
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Frey::Server - Continuity based server for Frey |
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|
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=head2 DESCRIPTION |
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|
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This is one of pissible server implementations for Frey. In it's current stage, it's also most complete one. |
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|
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=head2 run |
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|
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$o->run( $optional_port ); |
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|
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=cut |
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|
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sub run { |
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my ( $self, $port ) = @_; |
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$server = Continuity->new( |
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port => $port || 16001, |
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path_session => 1, |
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cookie_session => 'sid', |
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callback => \&main, |
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debug_level => 2, |
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staticp => sub { $_[0]->url =~ m/\.(jpg|jpeg|gif|png|css|ico|js|html?|xml|json|ya?ml)(\?.*)?$/ }, |
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); |
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$Module::Reload::Debug = 1; # auto if debug_level > 1 |
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Frey::ClassLoader->new->load_all_classes(); |
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$server->loop; |
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} |
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|
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=head2 main |
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|
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This is simple dispatcher for our server. Currently it's in flux and |
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documented only in source code. |
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|
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=cut |
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|
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sub main { |
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my ($req) = @_; |
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|
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my $path = $req->request->url->path; |
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#warn "REQUEST: $path ",dump( $req->params ); |
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|
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Module::Reload->check if $path =~ m!reload! || $req->param('reload'); |
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|
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# warn $req->request->header('User_Agent'); |
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|
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my %params = $req->params; |
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my $html; |
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|
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sub rest2class { |
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my $class = shift; |
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$class =~ s/-/::/; # sigh! |
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return $class; |
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} |
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|
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|
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eval { |
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|
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my $f; |
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|
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my $run_regexp = join('|', Frey::Run->execute ); |
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|
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if ( |
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$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( $req ); |
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} elsif ( |
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$path =~ m{/([^/]+)/($run_regexp)} |
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) { |
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my $class = rest2class $1; |
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warn "# run $class $2\n"; |
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$f = Frey::Run->new( class => $class, params => \%params ); |
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} elsif ( |
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$path =~ m{/([^/]+)/?$} |
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) { |
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my $class = rest2class $1; |
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warn "# introspect $class"; |
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$f = Frey::Run->new( class => 'Frey::Introspect', params => { class => $class } ); |
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} else { |
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$f = Frey::Run->new( class => 'Frey::ClassBrowser' ); |
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} |
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|
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if ( $f ) { |
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$req->print( $f->html ); |
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} else { |
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warn "# can't call request on nothing!"; |
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} |
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|
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}; |
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|
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my $self = $req; |
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|
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if ( $@ ) { |
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warn $@; |
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$req->conn->send_error( 404 ); # FIXME this should probably be 500, but we can't ship page with it |
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$req->print( qq{<pre class="error">$@<pre>} ); |
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# Carp::REPL::repl; |
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|
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} |
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|
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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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|
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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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|
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} |
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|
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# Here we accept a connection to the browser, and keep it open. Meanwhile we |
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# watch the global $got_message variable, and when it gets touched we send off |
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# the list of messages through the held-open connection. Then we let the |
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# browser open a new connection and begin again. |
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sub pushstream { |
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my ($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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|
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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 |
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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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|
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