Class: Faye::Transport::WebSocket
Defined Under Namespace
Classes: Request
Constant Summary
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- UNCONNECTED =
1
- CONNECTING =
2
- CONNECTED =
3
- PROTOCOLS =
{
'http' => 'ws',
'https' => 'wss'
}
DEFAULT_PORTS, SECURE_PROTOCOLS
Constants included
from Logging
Logging::LOG_LEVELS
Instance Attribute Summary
#endpoint
Class Method Summary
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Instance Method Summary
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Methods included from Deferrable
#set_deferred_status
#connection_type, connection_types, #encode, get, #initialize, register, #send_message
#add_timeout, #remove_all_timeouts, #remove_timeout
Methods included from Publisher
#unbind
Class Method Details
.create(dispatcher, endpoint) ⇒ Object
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# File 'lib/faye/transport/web_socket.rb', line 27
def self.create(dispatcher, endpoint)
sockets = dispatcher.transports[:websocket] ||= {}
sockets[endpoint.to_s] ||= new(dispatcher, endpoint)
end
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.usable?(dispatcher, endpoint, &callback) ⇒ Boolean
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# File 'lib/faye/transport/web_socket.rb', line 23
def self.usable?(dispatcher, endpoint, &callback)
create(dispatcher, endpoint).usable?(&callback)
end
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Instance Method Details
#batching? ⇒ Boolean
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# File 'lib/faye/transport/web_socket.rb', line 32
def batching?
false
end
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#close ⇒ Object
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# File 'lib/faye/transport/web_socket.rb', line 122
def close
return unless @socket
@socket.close
end
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#connect ⇒ Object
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# File 'lib/faye/transport/web_socket.rb', line 58
def connect
@state ||= UNCONNECTED
return unless @state == UNCONNECTED
@state = CONNECTING
url = @endpoint.dup
= @dispatcher..dup
extensions = @dispatcher.ws_extensions
cookie = get_cookies
url.scheme = PROTOCOLS[url.scheme]
['Cookie'] = cookie unless cookie == ''
options = {:extensions => extensions, :headers => , :proxy => @proxy}
socket = Faye::WebSocket::Client.new(url.to_s, [], options)
socket.onopen = lambda do |*args|
store_cookies(socket.['Set-Cookie'])
@socket = socket
@state = CONNECTED
@ever_connected = true
ping
set_deferred_status(:succeeded, socket)
end
closed = false
socket.onclose = socket.onerror = lambda do |*args|
next if closed
closed = true
was_connected = (@state == CONNECTED)
socket.onopen = socket.onclose = socket.onerror = socket.onmessage = nil
@socket = nil
@state = UNCONNECTED
remove_timeout(:ping)
set_deferred_status(:unknown)
pending = @pending ? @pending.to_a : []
@pending = nil
if was_connected
handle_error(pending, true)
elsif @ever_connected
handle_error(pending)
else
set_deferred_status(:failed)
end
end
socket.onmessage = lambda do |event|
replies = MultiJson.load(event.data)
next if replies.nil?
replies = [replies].flatten
replies.each do |reply|
next unless reply.has_key?('successful')
next unless message = @pending.find { |m| m['id'] == reply['id'] }
@pending.delete(message)
end
receive(replies)
end
end
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#request(messages) ⇒ Object
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# File 'lib/faye/transport/web_socket.rb', line 42
def request(messages)
@pending ||= Set.new
messages.each { |message| @pending.add(message) }
promise = Request.new
callback do |socket|
next unless socket
socket.send(Faye.to_json(messages))
promise.succeed(socket)
end
connect
promise
end
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#usable?(&callback) ⇒ Boolean
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# File 'lib/faye/transport/web_socket.rb', line 36
def usable?(&callback)
self.callback { callback.call(true) }
self.errback { callback.call(false) }
connect
end
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