Class: Anycable::RPCHandler

Inherits:
Anycable::RPC::Service show all
Defined in:
lib/anycable/rpc_handler.rb

Overview

RPC service handler

Instance Method Summary collapse

Instance Method Details

#connect(request, _unused_call) ⇒ Object

Handle connection request from WebSocket server



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# File 'lib/anycable/rpc_handler.rb', line 14

def connect(request, _unused_call)
  logger.debug("RPC Connect: #{request}")

  connection = ApplicationCable::Connection.new(
    env:
      path_env(request.path).merge(
        'HTTP_COOKIE' => request.headers['Cookie']
      )
  )

  connection.handle_open

  if connection.closed?
    Anycable::ConnectionResponse.new(status: Anycable::Status::ERROR)
  else
    Anycable::ConnectionResponse.new(
      status: Anycable::Status::SUCCESS,
      identifiers: connection.identifiers_hash.to_json,
      transmissions: connection.transmissions
    )
  end
end

#disconnect(request, _unused_call) ⇒ Object 



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# File 'lib/anycable/rpc_handler.rb', line 37

def disconnect(request, _unused_call)
  logger.debug("RPC Disonnect: #{request}")
  # TODO: implement disconnect logic
  Anycable::DisconnectResponse.new(status: Anycable::Status::SUCCESS)
end

#perform(message, _unused_call) ⇒ Object 



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# File 'lib/anycable/rpc_handler.rb', line 84

def perform(message, _unused_call)
  logger.debug("RPC Perform: #{message}")
  connection = ApplicationCable::Connection.new(
    identifiers_json: message.connection_identifiers
  )

  channel = channel_for(connection, message)

  if channel.present?
    channel.perform_action(ActiveSupport::JSON.decode(message.data))
    Anycable::CommandResponse.new(
      status: Anycable::Status::SUCCESS,
      disconnect: connection.closed?,
      stop_streams: channel.stop_streams?,
      streams: channel.streams,
      transmissions: connection.transmissions
    )
  else
    Anycable::CommandResponse.new(
      status: Anycable::Status::ERROR
    )
  end
end

#subscribe(message, _unused_call) ⇒ Object 



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# File 'lib/anycable/rpc_handler.rb', line 43

def subscribe(message, _unused_call)
  logger.debug("RPC Subscribe: #{message}")
  connection = ApplicationCable::Connection.new(
    identifiers_json: message.connection_identifiers
  )

  channel = channel_for(connection, message)

  if channel.present?
    channel.do_subscribe
    if channel.subscription_rejected?
      Anycable::CommandResponse.new(
        status: Anycable::Status::ERROR,
        disconnect: connection.closed?,
        transmissions: connection.transmissions
      )
    else
      Anycable::CommandResponse.new(
        status: Anycable::Status::SUCCESS,
        disconnect: connection.closed?,
        stop_streams: channel.stop_streams?,
        streams: channel.streams,
        transmissions: connection.transmissions
      )
    end
  else
    Anycable::CommandResponse.new(
      status: Anycable::Status::ERROR
    )
  end
end

#unsubscribe(message, _unused_call) ⇒ Object 



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# File 'lib/anycable/rpc_handler.rb', line 75

def unsubscribe(message, _unused_call)
  logger.debug("RPC Unsubscribe: #{message}")
  Anycable::CommandResponse.new(
    status: Anycable::Status::SUCCESS,
    disconnect: false,
    stop_streams: true
  )
end