faye-1.1.2/lib/faye.rb
require 'cgi'
require 'cookiejar'
require 'digest/sha1'
require 'em-http'
require 'em-http/version'
require 'eventmachine'
require 'faye/websocket'
require 'forwardable'
require 'multi_json'
require 'rack'
require 'securerandom'
require 'set'
require 'time'
require 'uri'
module Faye
VERSION = '1.1.2'
ROOT = File.expand_path(File.dirname(__FILE__))
autoload :Deferrable, File.join(ROOT, 'faye', 'mixins', 'deferrable')
autoload :Logging, File.join(ROOT, 'faye', 'mixins', 'logging')
autoload :Publisher, File.join(ROOT, 'faye', 'mixins', 'publisher')
autoload :Timeouts, File.join(ROOT, 'faye', 'mixins', 'timeouts')
autoload :Namespace, File.join(ROOT, 'faye', 'util', 'namespace')
autoload :Engine, File.join(ROOT, 'faye', 'engines', 'proxy')
autoload :Channel, File.join(ROOT, 'faye', 'protocol', 'channel')
autoload :Client, File.join(ROOT, 'faye', 'protocol', 'client')
autoload :Dispatcher, File.join(ROOT, 'faye', 'protocol', 'dispatcher')
autoload :Scheduler, File.join(ROOT, 'faye', 'protocol', 'scheduler')
autoload :Extensible, File.join(ROOT, 'faye', 'protocol', 'extensible')
autoload :Grammar, File.join(ROOT, 'faye', 'protocol', 'grammar')
autoload :Publication, File.join(ROOT, 'faye', 'protocol', 'publication')
autoload :Server, File.join(ROOT, 'faye', 'protocol', 'server')
autoload :Subscription, File.join(ROOT, 'faye', 'protocol', 'subscription')
autoload :Error, File.join(ROOT, 'faye', 'error')
autoload :Transport, File.join(ROOT, 'faye', 'transport', 'transport')
autoload :RackAdapter, File.join(ROOT, 'faye', 'adapters', 'rack_adapter')
autoload :StaticServer, File.join(ROOT, 'faye', 'adapters', 'static_server')
BAYEUX_VERSION = '1.0'
JSONP_CALLBACK = 'jsonpcallback'
CONNECTION_TYPES = %w[long-polling cross-origin-long-polling callback-polling websocket eventsource in-process]
MANDATORY_CONNECTION_TYPES = %w[long-polling callback-polling in-process]
class << self
attr_accessor :logger
end
def self.ensure_reactor_running!
Engine.ensure_reactor_running!
end
def self.random(*args)
Engine.random(*args)
end
def self.client_id_from_messages(messages)
first = [messages].flatten.find { |m| m['channel'] == '/meta/connect' }
first && first['clientId']
end
def self.copy_object(object)
case object
when Hash
clone = {}
object.each { |k,v| clone[k] = copy_object(v) }
clone
when Array
clone = []
object.each { |v| clone << copy_object(v) }
clone
else
object
end
end
def self.parse_url(url)
String === url ? URI.parse(url) : url
end
def self.to_json(value)
case value
when Hash, Array then MultiJson.dump(value)
when String, NilClass then value.inspect
else value.to_s
end
end
def self.async_each(list, iterator, callback)
n = list.size
i = -1
calls = 0
looping = false
loop, resume = nil, nil
iterate = lambda do
calls -= 1
i += 1
if i == n
callback.call if callback
else
iterator.call(list[i], resume)
end
end
loop = lambda do
unless looping
looping = true
iterate.call while calls > 0
looping = false
end
end
resume = lambda do
calls += 1
loop.call
end
resume.call
end
end