Class: Gambit::Server

Inherits:
WEBrick::HTTPServer
  • Object
show all
Includes:
Viewable, MonitorMixin
Defined in:
lib/gambit/server.rb,
lib/gambit/server/game.rb,
lib/gambit/server/player.rb,
lib/gambit/server/message.rb,
lib/gambit/server/gambiterror.rb,
lib/gambit/server/game/eventform.rb

Overview

The controller layer of the Gambit framework. (Docs coming soon…)

Defined Under Namespace

Classes: GambitError, Game, Message, Player

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Viewable

append_features, #view

Constructor Details

#initialize(game_class, port = 80, html_dir = "html", become_daemon = false) ⇒ Server

Returns a new instance of Server.



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# File 'lib/gambit/server.rb', line 69

def initialize( game_class,
	            port = 80, html_dir = "html", become_daemon = false )
	super(:Port => port)
	
	@html_dir = File.join(File.expand_path(File.dirname($0)), html_dir)
	self.class.const_set(:SERVER, self)
	@server_message = nil

	@game_class        = game_class
	@games             = Hash.new
	@players           = Hash.new
	
	WEBrick::Daemon.start if become_daemon
	
	mount_proc("/") { |req, resp| serve_file(req, resp, req.path) }
	mount_proc("/view") { |req, resp| serve_view(req, resp) }
	mount_proc("/event") { |req, resp| serve_event(req, resp) }
	mount_proc("/server") { |req, resp| serve_server_event(req, resp) }

	['INT', 'TERM'].each { |signal| trap(signal) { shutdown } }
end

Instance Attribute Details

#players ⇒ Object (readonly)

Returns the value of attribute players.



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# File 'lib/gambit/server.rb', line 91

def players
  @players
end

Instance Method Details

#login(req, resp, game, event = nil) ⇒ Object 



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# File 'lib/gambit/server.rb', line 93

def ( req, resp, game, event = nil )
	if cookie = req.cookies.find { |c| c.name == "player" }
		cookie.expires = nil # defaults to end of session
		resp.cookies   << cookie
		cookie.path    = "/"
		@players[cookie.value]
	elsif (event == "login") and
		  not (req.query["login"].nil? or req.query["login"].empty?)
		if player = @players[req.query["login"]]
			if player.login?(req.query["password"])
				cookie         = WEBrick::Cookie.new( "player",
				                 req.query["login"] )
				cookie.expires = nil # defaults to end of session
				resp.cookies   << cookie
				cookie.path    = "/"

				@players[cookie.value]
			else
				raise Gambit::Server::GambitError, "Invalid password."
			end
		else
			raise Gambit::Server::GambitError, "Unknown name."
		end
	else
		resp.body = game.view(:login)
		raise WEBrick::HTTPStatus::OK
	end
end

#serve_event(req, resp) ⇒ Object 



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# File 'lib/gambit/server.rb', line 122

def serve_event( req, resp )
	begin
		if req.path =~ %r{/event/([^/]+)/([^/]+)}
			game_name  = $1.to_i
			event_name = $2

			if @games[game_name].nil?
				raise Gambit::Server::GambitError, "Game not found!"
			else
				player    = ( req, resp,
				                   @games[game_name], event_name )
				next_page = nil
				synchronize do
					next_page = @games[game_name].do_event( player,
					                                        event_name,
					                                        req.query )
				end

				if cookie = req.cookies.find { |c| c.name == "player" }
					resp.cookies << cookie
				end	
				resp.set_redirect( WEBrick::HTTPStatus::SeeOther,
					"/view/#{game_name}/#{next_page}" )
				raise WEBrick::HTTPStatus::SeeOther
			end
		else
			raise Gambit::Server::GambitError, "Malformed Event!"
		end
	rescue Gambit::Server::GambitError => error
		resp.body = error.view(:error_page)
		raise WEBrick::HTTPStatus::OK
	end
end

#serve_file(req, resp, file) ⇒ Object

Raises:

  • (WEBrick::HTTPStatus::OK) 


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# File 'lib/gambit/server.rb', line 209

def serve_file( req, resp, file )
	if file == "/"
		resp.body = view(:game_listing)
		raise WEBrick::HTTPStatus::OK
	end
	
	stats = File::stat(file)
	mtime = stats.mtime
	resp["etag"] = sprintf( "%x-%x-%x", stats.ino, stats.size,
	                                    stats.mtime.to_i )
	mtype = WEBrick::HTTPUtils::mime_type(file, self[:MimeTypes])
	resp["content-type"]   = mtype
	resp["content-length"] = stats.size
	resp["last-modified"]  = mtime.httpdate
	resp.body = File.open(file, "rb")
	raise WEBrick::HTTPStatus::OK
end

#serve_server_event(req, resp) ⇒ Object 



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# File 'lib/gambit/server.rb', line 156

def serve_server_event( req, resp )
	if req.path == "/server/new_game"
		game  = @game_class.new
		if not @players.empty?
			@games[game.object_id] = game
			resp.body = game.view(:configure)
		else
			@server_message = "No users!"
			resp.body = view(:game_listing)
		end	
		raise WEBrick::HTTPStatus::OK
	elsif req.path == "/server/new_player"
		resp.body = view(:new_player)
		raise WEBrick::HTTPStatus::OK
	elsif req.path == "/server/create_player"
		if @players.include?(req.query["name"])
			@server_message = "Sorry, that name is taken."
			resp.body = view(:new_player)
			raise WEBrick::HTTPStatus::OK
		elsif req.query["password"] != req.query["verify"]
			@server_message = "The provided passwords do not match."
			resp.body = view(:new_player)
			raise WEBrick::HTTPStatus::OK
		else
			@server_message = "Player created."
			@players[req.query["name"]] =
				Gambit::Server::Player.new( req.query["name"],
				                            req.query["password"] )	
			cookie         = WEBrick::Cookie.new( "player",
			                                      req.query["name"] )
			cookie.expires = nil # defaults to end of session
			resp.cookies   << cookie
			cookie.path    = "/"

			resp.body = view(:game_listing)
			raise WEBrick::HTTPStatus::OK
		end
	elsif req.path == "/server/test"
		test_mode
		
		cookie                 = WEBrick::Cookie.new("player", "tester")
		cookie.expires         = nil # defaults to end of session
		resp.cookies           << cookie
		cookie.path            = "/"

		resp.body = view(:game_listing)
		raise WEBrick::HTTPStatus::OK
	else
		resp.body = view(:game_listing)
		raise WEBrick::HTTPStatus::OK
	end
end

#serve_view(req, resp) ⇒ Object 



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# File 'lib/gambit/server.rb', line 227

def serve_view( req, resp )
	begin
		if req.path =~ %r{/view/([^/]+)/(.+)}
			game_name = $1.to_i
			view_file = $2
		
			erb_file = File.join(@html_dir, view_file)

			if test(?e, erb_file)
				player = (req, resp, @games[game_name])
				@games[game_name].player = player

				if File.extname(erb_file) == ".rhtml"
					erb_page  = ERB.new( File.read(erb_file),
					                     nil, "%<>" )
					resp.body = erb_page.result(
						@games[game_name].event_binding )
					raise WEBrick::HTTPStatus::OK
				else
					serve_file(req, resp, erb_file)
				end
			else
				raise Gambit::Server::GambitError, "View not found!"
			end
		else
			raise Gambit::Server::GambitError, "Malformed View!"
		end
	rescue Gambit::Server::GambitError => error
		resp.body = error.view(:error_page)
		raise WEBrick::HTTPStatus::OK
	end
end

#test_mode ⇒ Object 



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# File 'lib/gambit/server.rb', line 260

def test_mode(  )
	game                   = @game_class.new
	@games[game.object_id] = game
	game.do_configure(nil, "game_name" => "Test Mode Game")
	@players["tester"]     = Gambit::Server::Player.new( "tester",
	                                                     "test" )
	@server_message        = "Test mode active."
end