Module: EventMachine::Protocols::ObjectProtocol

Relationships & Source Files
Defined in:	lib/em/protocols/object_protocol.rb

Overview

ObjectProtocol allows for easy communication using marshaled ruby objects

module RubyServer include EM::P::ObjectProtocol

def receive_object obj send_object(said' => obj) end end

Instance Method Summary

#receive_data(data) Internal use only Internal use only
#receive_object(obj)

Invoked with ruby objects received over the network.
#send_object(obj)

Sends a ruby object over the network.
#serializer

By default returns Marshal, override to return JSON or YAML, or any other serializer/deserializer responding to #dump and #load.

Instance Method Details

#receive_data(data)

This method is for internal use only.

[ GitHub ]

# File 'lib/em/protocols/object_protocol.rb', line 23


def receive_data data
  (@buf ||= ''.dup) << data

  while @buf.size >= 4
    if @buf.size >= 4+(size=@buf.unpack('N').first)
      @buf.slice!(0,4)
      receive_object serializer.load(@buf.slice!(0,size))
    else
      break
    end
  end
end

#receive_object(obj)

Invoked with ruby objects received over the network

[ GitHub ]

# File 'lib/em/protocols/object_protocol.rb', line 37


def receive_object obj
  # stub
end

#send_object(obj)

Sends a ruby object over the network

[ GitHub ]

# File 'lib/em/protocols/object_protocol.rb', line 42


def send_object obj
  data = serializer.dump(obj)
  send_data [data.respond_to?(:bytesize) ? data.bytesize : data.size, data].pack('Na*')
end

#serializer

By default returns Marshal, override to return JSON or YAML, or any other serializer/deserializer responding to #dump and #load.

[ GitHub ]

# File 'lib/em/protocols/object_protocol.rb', line 18


def serializer
  Marshal
end