Class: RFlow::Components::HTTP::Server

Inherits:
RFlow::Component
  • Object
show all
Defined in:
lib/rflow/components/http/server.rb

Defined Under Namespace

Classes: Connection

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#connections ⇒ Object

Returns the value of attribute connections.



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# File 'lib/rflow/components/http/server.rb', line 14

def connections
  @connections
end

#listen ⇒ Object

Returns the value of attribute listen.



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# File 'lib/rflow/components/http/server.rb', line 14

def listen
  @listen
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/rflow/components/http/server.rb', line 14

def port
  @port
end

#server_signature ⇒ Object

Returns the value of attribute server_signature.



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# File 'lib/rflow/components/http/server.rb', line 14

def server_signature
  @server_signature
end

Instance Method Details

#configure!(config) ⇒ Object 



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# File 'lib/rflow/components/http/server.rb', line 16

def configure!(config)
  @listen = config['listen'] ? config['listen'] : '127.0.0.1'
  @port = config['port'] ? config['port'].to_i : 8000
  @connections = Hash.new
end

#process_message(input_port, input_port_key, connection, message) ⇒ Object

Getting all messages to response_port, which we need to filter for those that pertain to this component and have active connections. This is done by inspecting the provenance, specifically the context attribute that we stored originally



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# File 'lib/rflow/components/http/server.rb', line 33

def process_message(input_port, input_port_key, connection, message)
  RFlow.logger.debug "Received a message"
  return unless message.data_type_name == 'RFlow::Message::Data::HTTP::Response'

  
  RFlow.logger.debug "Received a HTTP::Response message, determining if its mine"
  my_events = message.provenance.find_all {|processing_event| processing_event.component_instance_uuid == instance_uuid}
  RFlow.logger.debug "Found #{my_events.size} processing events from me"
  # Attempt to send the data to each context match
  my_events.each do |processing_event|
    RFlow.logger.debug "Inspecting #{processing_event.context}"
    connection_signature = processing_event.context
    if connections[connection_signature]
      RFlow.logger.debug "Found connection for #{processing_event.context}"
      connections[connection_signature].send_http_response message
    end
  end
end

#run! ⇒ Object 



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# File 'lib/rflow/components/http/server.rb', line 22

def run!
  @server_signature = EM.start_server(@listen, @port, Connection) do |conn|
    conn.server = self
    self.connections[conn.signature.to_s] = conn
  end
end