ndn-js-contrib/src/DataStructures/util/browser-connect.js

Reusable 'Classes' for Named Data Networking: NameTree, PIT, FIB, ContentStore, Interfaces, and Transports

var WebSocketTransport = require("./WebSocketBrowserTransport")
  , DataConnectionTransport = require("./DataConnectionTransport")
  , Face = require("../Face.js")
  , Peer = require("peerjs");

function Node_connect(remote, meta){
  var self = this;
  console.log("browser connect", remote);
  var Transport;
  if (remote.split(":")[0] === "webrtc"){
    try{
      var options = {
        host: (~remote.split("://")[1].indexOf(".")) ? remote.split("://")[1].split("#")[0].split(":")[0] : location.hostname
        , id: remote.split("#")[1]
        , path: (~remote.split("://")[1].indexOf("/")) ? "/" + remote.split("://")[1].split("/")[1].split("#")[0] : "/"
        , port: (~remote.split("://")[1].indexOf(":")) ? parseInt(remote.split("://")[1].split(":")[1].split("#")[0].split("/")[0]) : 8787
      };
    } catch(e){
      return Promise.reject("malformed remote string")
    }

    if(!options.id)
      return Promise.reject("must provide a string ending with #<remote-id>")

    if (meta)
      options.metadata = meta;

    //console.log("peer connect", options)
    var peer;
    for (var i in this._servers){
      peer = this._servers[i]
      if(peer.options.host === options.host
      && peer.options.path === options.path
      && peer.options.port === options.port)
        break;
      else
        peer = null;
    }

    peer = peer || new Peer(options);

    if (peer.id === options.id)
      return Promise.reject("dont connect to yourself")

    options.peer = peer;

    remote = options;

    Transport = DataConnectionTransport;
  }
  else if (remote.split(":")[0] === "ws" || remote.split(":")[0] === "wss")
    Transport = WebSocketTransport;

  else
    return Promise.reject("Node.connect: unsupported protocol");

  var face
  return Face.Create(new Transport(remote))
            .then(function onClientFace(face){
              console.log("onFace")
              return Promise.all([
                self.onFace(face)
                , Promise.resolve(face)
              ]);

            }).then(function onFaceReady(results){
              console.log("ready")
              return results.pop();
            });
}

module.exports = Node_connect;