Class: Meshchat::Network::Message::NodeList

Inherits:
Base
  • Object
show all
Defined in:
lib/meshchat/network/message/node_list.rb

Instance Attribute Summary

Attributes inherited from Base

#_message, #_message_dispatcher, #_message_factory, #_sender_location, #_sender_name, #_sender_uid, #_time_received, #payload

Instance Method Summary collapse

Methods inherited from Base

#client, #client_version, #display, #encrypt_for, #initialize, #render, #sender, #sender_location, #sender_name, #sender_uid, #time_received, #time_received_as_date, #type

Constructor Details

This class inherits a constructor from Meshchat::Network::Message::Base

Instance Method Details

#handle ⇒ Object 



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# File 'lib/meshchat/network/message/node_list.rb', line 10

def handle
  respond
  nil
end

#message ⇒ Object 



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# File 'lib/meshchat/network/message/node_list.rb', line 6

def message
  @message ||= Node.as_json
end

#respond ⇒ Object

only need to respond if this server has node entries that the sender of this message doesn’t have



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# File 'lib/meshchat/network/message/node_list.rb', line 17

def respond
  received_list = message
  we_only_have, they_only_have = Node.diff(received_list)

  Display.debug('node_list#respond: me: ' + we_only_have.to_s)
  Display.debug('node_list#respond: they: ' + they_only_have.to_s)

  if they_only_have.present?
    they_only_have.each do |n|
      Node.from_json(n).save!
    end
  end

  uid = payload['sender']['uid']

  if we_only_have.present?
    respond_with_what_we_have(we_only_have, they_only_have, uid)
  else
    respond_with_confirmation_of_in_sync(uid)
  end
end

#respond_with_confirmation_of_in_sync(uid) ⇒ Object 



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# File 'lib/meshchat/network/message/node_list.rb', line 39

def respond_with_confirmation_of_in_sync(uid)
  Display.debug 'node lists are in sync'
  nlh_message = _message_factory.create(NODE_LIST_HASH)
  # lists are in sync, confirm with hash
  _message_dispatcher.send_message(uid: uid, message: nlh_message)
end

#respond_with_what_we_have(we_only_have, they_only_have, uid) ⇒ Object 



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# File 'lib/meshchat/network/message/node_list.rb', line 46

def respond_with_what_we_have(we_only_have, they_only_have, uid)
  Display.debug 'we have nodes that they do not'

  we_only_have_message = _message_factory.create(
    NODE_LIST_DIFF,
    data: { message: we_only_have }
  )

  they_only_have_message = _message_factory.create(
    NODE_LIST_DIFF,
    data: { message: they_only_have }
  )

  # give the sender our list
  _message_dispatcher.send_message(
    uid: uid,
    message: we_only_have_message
  )

  # give people we know about
  # (but the sender of the Node List may not know about)
  # our node list diff
  Node.online.each do |node|
    _message_dispatcher.send_message(
      node: node,
      message: they_only_have_message
    )
  end
end