noflo-runtime-msgflo/runtime/network.coffee

NoFlo runtime for Node.js over AMQP/MQTT etc

var Base = require 'noflo-runtime-base'

class Transport extends Base
  constructor: (options) ->

  send: ->

  sendAll: ->

module.exports = (options) ->


  var runtime = new WebSocketRuntime(options);
  var handleMessage = function (message, connection) {
    if (message.type == 'utf8') {
      var contents;
      try {
        contents = JSON.parse(message.utf8Data);
      } catch (e) {
        return;
      }
      runtime.receive(contents.protocol, contents.command, contents.payload, {
        connection: connection
      });
    }
  };

  wsServer.on('request', function (request) {
    var subProtocol = (request.requestedProtocols.indexOf("noflo") != -1) ? "noflo" : null;
    var connection = request.accept(subProtocol, request.origin);
    runtime.connections.push(connection);
    connection.on('message', function (message) {
      handleMessage(message, connection);
    });
    connection.on('close', function () {
      if (runtime.connections.indexOf(connection) === -1) {
        return;
      }
      runtime.connections.splice(runtime.connections.indexOf(connection), 1);
    });
  });

  return runtime;
};