media/mtransport/transportlayerice.cpp@97036ab72558 (annotated)
media/mtransport/transportlayerice.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set ts=2 et sw=2 tw=80: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 5 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | // Original author: ekr@rtfm.com |
| michael@0 | 8 | |
| michael@0 | 9 | // Some of this code is cut-and-pasted from nICEr. Copyright is: |
| michael@0 | 10 | |
| michael@0 | 11 | /* |
| michael@0 | 12 | Copyright (c) 2007, Adobe Systems, Incorporated |
| michael@0 | 13 | All rights reserved. |
| michael@0 | 14 | |
| michael@0 | 15 | Redistribution and use in source and binary forms, with or without |
| michael@0 | 16 | modification, are permitted provided that the following conditions are |
| michael@0 | 17 | met: |
| michael@0 | 18 | |
| michael@0 | 19 | * Redistributions of source code must retain the above copyright |
| michael@0 | 20 | notice, this list of conditions and the following disclaimer. |
| michael@0 | 21 | |
| michael@0 | 22 | * Redistributions in binary form must reproduce the above copyright |
| michael@0 | 23 | notice, this list of conditions and the following disclaimer in the |
| michael@0 | 24 | documentation and/or other materials provided with the distribution. |
| michael@0 | 25 | |
| michael@0 | 26 | * Neither the name of Adobe Systems, Network Resonance nor the names of its |
| michael@0 | 27 | contributors may be used to endorse or promote products derived from |
| michael@0 | 28 | this software without specific prior written permission. |
| michael@0 | 29 | |
| michael@0 | 30 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| michael@0 | 31 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| michael@0 | 32 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| michael@0 | 33 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| michael@0 | 34 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| michael@0 | 35 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| michael@0 | 36 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| michael@0 | 37 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| michael@0 | 38 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| michael@0 | 39 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| michael@0 | 40 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 41 | */ |
| michael@0 | 42 | |
| michael@0 | 43 | |
| michael@0 | 44 | #include <string> |
| michael@0 | 45 | #include <vector> |
| michael@0 | 46 | |
| michael@0 | 47 | #include "nsCOMPtr.h" |
| michael@0 | 48 | #include "nsComponentManagerUtils.h" |
| michael@0 | 49 | #include "nsError.h" |
| michael@0 | 50 | #include "nsIEventTarget.h" |
| michael@0 | 51 | #include "nsNetCID.h" |
| michael@0 | 52 | #include "nsComponentManagerUtils.h" |
| michael@0 | 53 | #include "nsServiceManagerUtils.h" |
| michael@0 | 54 | |
| michael@0 | 55 | // nICEr includes |
| michael@0 | 56 | extern "C" { |
| michael@0 | 57 | #include "nr_api.h" |
| michael@0 | 58 | #include "registry.h" |
| michael@0 | 59 | #include "async_timer.h" |
| michael@0 | 60 | #include "ice_util.h" |
| michael@0 | 61 | #include "transport_addr.h" |
| michael@0 | 62 | #include "nr_crypto.h" |
| michael@0 | 63 | #include "nr_socket.h" |
| michael@0 | 64 | #include "nr_socket_local.h" |
| michael@0 | 65 | #include "stun_client_ctx.h" |
| michael@0 | 66 | #include "stun_server_ctx.h" |
| michael@0 | 67 | #include "ice_ctx.h" |
| michael@0 | 68 | #include "ice_candidate.h" |
| michael@0 | 69 | #include "ice_handler.h" |
| michael@0 | 70 | } |
| michael@0 | 71 | |
| michael@0 | 72 | // Local includes |
| michael@0 | 73 | #include "logging.h" |
| michael@0 | 74 | #include "nricectx.h" |
| michael@0 | 75 | #include "nricemediastream.h" |
| michael@0 | 76 | #include "transportflow.h" |
| michael@0 | 77 | #include "transportlayerice.h" |
| michael@0 | 78 | |
| michael@0 | 79 | namespace mozilla { |
| michael@0 | 80 | |
| michael@0 | 81 | #ifdef ERROR |
| michael@0 | 82 | #undef ERROR |
| michael@0 | 83 | #endif |
| michael@0 | 84 | |
| michael@0 | 85 | MOZ_MTLOG_MODULE("mtransport") |
| michael@0 | 86 | |
| michael@0 | 87 | TransportLayerIce::TransportLayerIce(const std::string& name, |
| michael@0 | 88 | RefPtr<NrIceCtx> ctx, RefPtr<NrIceMediaStream> stream, |
| michael@0 | 89 | int component) |
| michael@0 | 90 | : name_(name), ctx_(ctx), stream_(stream), component_(component) { |
| michael@0 | 91 | target_ = ctx->thread(); |
| michael@0 | 92 | |
| michael@0 | 93 | stream_->SignalReady.connect(this, &TransportLayerIce::IceReady); |
| michael@0 | 94 | stream_->SignalFailed.connect(this, &TransportLayerIce::IceFailed); |
| michael@0 | 95 | stream_->SignalPacketReceived.connect(this, |
| michael@0 | 96 | &TransportLayerIce::IcePacketReceived); |
| michael@0 | 97 | if (stream_->state() == NrIceMediaStream::ICE_OPEN) { |
| michael@0 | 98 | TL_SET_STATE(TS_OPEN); |
| michael@0 | 99 | } |
| michael@0 | 100 | } |
| michael@0 | 101 | |
| michael@0 | 102 | TransportLayerIce::~TransportLayerIce() { |
| michael@0 | 103 | // No need to do anything here, since we use smart pointers |
| michael@0 | 104 | } |
| michael@0 | 105 | |
| michael@0 | 106 | TransportResult TransportLayerIce::SendPacket(const unsigned char *data, |
| michael@0 | 107 | size_t len) { |
| michael@0 | 108 | CheckThread(); |
| michael@0 | 109 | nsresult res = stream_->SendPacket(component_, data, len); |
| michael@0 | 110 | |
| michael@0 | 111 | if (!NS_SUCCEEDED(res)) { |
| michael@0 | 112 | return (res == NS_BASE_STREAM_WOULD_BLOCK) ? |
| michael@0 | 113 | TE_WOULDBLOCK : TE_ERROR; |
| michael@0 | 114 | } |
| michael@0 | 115 | |
| michael@0 | 116 | MOZ_MTLOG(ML_DEBUG, LAYER_INFO << " SendPacket(" << len << ") succeeded"); |
| michael@0 | 117 | |
| michael@0 | 118 | return len; |
| michael@0 | 119 | } |
| michael@0 | 120 | |
| michael@0 | 121 | |
| michael@0 | 122 | void TransportLayerIce::IceCandidate(NrIceMediaStream *stream, |
| michael@0 | 123 | const std::string&) { |
| michael@0 | 124 | // NO-OP for now |
| michael@0 | 125 | } |
| michael@0 | 126 | |
| michael@0 | 127 | void TransportLayerIce::IceReady(NrIceMediaStream *stream) { |
| michael@0 | 128 | CheckThread(); |
| michael@0 | 129 | TL_SET_STATE(TS_OPEN); |
| michael@0 | 130 | } |
| michael@0 | 131 | |
| michael@0 | 132 | void TransportLayerIce::IceFailed(NrIceMediaStream *stream) { |
| michael@0 | 133 | CheckThread(); |
| michael@0 | 134 | TL_SET_STATE(TS_ERROR); |
| michael@0 | 135 | } |
| michael@0 | 136 | |
| michael@0 | 137 | void TransportLayerIce::IcePacketReceived(NrIceMediaStream *stream, int component, |
| michael@0 | 138 | const unsigned char *data, int len) { |
| michael@0 | 139 | CheckThread(); |
| michael@0 | 140 | // We get packets for both components, so ignore the ones that aren't |
| michael@0 | 141 | // for us. |
| michael@0 | 142 | if (component_ != component) |
| michael@0 | 143 | return; |
| michael@0 | 144 | |
| michael@0 | 145 | MOZ_MTLOG(ML_DEBUG, LAYER_INFO << "PacketReceived(" << stream->name() << "," |
| michael@0 | 146 | << component << "," << len << ")"); |
| michael@0 | 147 | SignalPacketReceived(this, data, len); |
| michael@0 | 148 | } |
| michael@0 | 149 | |
| michael@0 | 150 | } // close namespace |
