The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/network/src/TCPSocketParentIntermediary.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,109 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +"use strict";
     1.9 +
    1.10 +const Cc = Components.classes;
    1.11 +const Ci = Components.interfaces;
    1.12 +const Cu = Components.utils;
    1.13 +
    1.14 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
    1.15 +
    1.16 +function TCPSocketParentIntermediary() {
    1.17 +}
    1.18 +
    1.19 +TCPSocketParentIntermediary.prototype = {
    1.20 +  _setCallbacks: function(aParentSide, socket) {
    1.21 +    aParentSide.initJS(this);
    1.22 +    this._socket = socket;
    1.23 +
    1.24 +    // Create handlers for every possible callback that attempt to trigger
    1.25 +    // corresponding callbacks on the child object.
    1.26 +    // ondrain event is not forwarded, since the decision of firing ondrain
    1.27 +    // is made in child.
    1.28 +    ["open", "data", "error", "close"].forEach(
    1.29 +      function(p) {
    1.30 +        socket["on" + p] = function(data) {
    1.31 +          aParentSide.sendEvent(p, data.data, socket.readyState,
    1.32 +                                socket.bufferedAmount);
    1.33 +        };
    1.34 +      }
    1.35 +    );
    1.36 +  },
    1.37 +
    1.38 +  _onUpdateBufferedAmountHandler: function(aParentSide, aBufferedAmount, aTrackingNumber) {
    1.39 +    aParentSide.sendUpdateBufferedAmount(aBufferedAmount, aTrackingNumber);
    1.40 +  },
    1.41 +
    1.42 +  open: function(aParentSide, aHost, aPort, aUseSSL, aBinaryType, aAppId) {
    1.43 +    let baseSocket = Cc["@mozilla.org/tcp-socket;1"].createInstance(Ci.nsIDOMTCPSocket);
    1.44 +    let socket = baseSocket.open(aHost, aPort, {useSecureTransport: aUseSSL, binaryType: aBinaryType});
    1.45 +    if (!socket)
    1.46 +      return null;
    1.47 +
    1.48 +    let socketInternal = socket.QueryInterface(Ci.nsITCPSocketInternal);
    1.49 +    if (socketInternal) {
    1.50 +      socketInternal.setAppId(aAppId);
    1.51 +    }
    1.52 +
    1.53 +    // Handle parent's request to update buffered amount.
    1.54 +    socketInternal.setOnUpdateBufferedAmountHandler(
    1.55 +      this._onUpdateBufferedAmountHandler.bind(this, aParentSide));
    1.56 +
    1.57 +    // Handlers are set to the JS-implemented socket object on the parent side.
    1.58 +    this._setCallbacks(aParentSide, socket);
    1.59 +    return socket;
    1.60 +  },
    1.61 +
    1.62 +  listen: function(aTCPServerSocketParent, aLocalPort, aBacklog, aBinaryType) {
    1.63 +    let baseSocket = Cc["@mozilla.org/tcp-socket;1"].createInstance(Ci.nsIDOMTCPSocket);
    1.64 +    let serverSocket = baseSocket.listen(aLocalPort, { binaryType: aBinaryType }, aBacklog);
    1.65 +    if (!serverSocket)
    1.66 +      return null;
    1.67 +
    1.68 +    let localPort = serverSocket.localPort;
    1.69 +
    1.70 +    serverSocket["onconnect"] = function(socket) {
    1.71 +      var socketParent = Cc["@mozilla.org/tcp-socket-parent;1"]
    1.72 +                            .createInstance(Ci.nsITCPSocketParent);
    1.73 +      var intermediary = new TCPSocketParentIntermediary();
    1.74 +      // Handlers are set to the JS-implemented socket object on the parent side,
    1.75 +      // so that the socket parent object can communicate data
    1.76 +      // with the corresponding socket child object through IPC.
    1.77 +      intermediary._setCallbacks(socketParent, socket);
    1.78 +      // The members in the socket parent object are set with arguments,
    1.79 +      // so that the socket parent object can communicate data 
    1.80 +      // with the JS socket object on the parent side via the intermediary object.
    1.81 +      socketParent.setSocketAndIntermediary(socket, intermediary);
    1.82 +      aTCPServerSocketParent.sendCallbackAccept(socketParent);
    1.83 +    };
    1.84 +
    1.85 +    serverSocket["onerror"] = function(data) {
    1.86 +        var error = data.data;
    1.87 +
    1.88 +        aTCPServerSocketParent.sendCallbackError(error.message, error.filename,
    1.89 +                                                 error.lineNumber, error.columnNumber);
    1.90 +    };
    1.91 +
    1.92 +    return serverSocket;
    1.93 +  },
    1.94 +
    1.95 +  onRecvSendString: function(aData, aTrackingNumber) {
    1.96 +    let socketInternal = this._socket.QueryInterface(Ci.nsITCPSocketInternal);
    1.97 +    return socketInternal.onRecvSendFromChild(aData, 0, 0, aTrackingNumber);
    1.98 +  },
    1.99 +
   1.100 +  onRecvSendArrayBuffer: function(aData, aTrackingNumber) {
   1.101 +    let socketInternal = this._socket.QueryInterface(Ci.nsITCPSocketInternal);
   1.102 +    return socketInternal.onRecvSendFromChild(aData, 0, aData.byteLength,
   1.103 +                                              aTrackingNumber);
   1.104 +  },
   1.105 +
   1.106 +  classID: Components.ID("{afa42841-a6cb-4a91-912f-93099f6a3d18}"),
   1.107 +  QueryInterface: XPCOMUtils.generateQI([
   1.108 +    Ci.nsITCPSocketIntermediary
   1.109 +  ])
   1.110 +};
   1.111 +
   1.112 +this.NSGetFactory = XPCOMUtils.generateNSGetFactory([TCPSocketParentIntermediary]);