Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 168 insertions, 0 deletions

diff --git a/dom/media/webrtc/transport/transportlayerice.cpp b/dom/media/webrtc/transport/transportlayerice.cpp
new file mode 100644
index 0000000000..03d8131ead
--- /dev/null
+++ b/dom/media/webrtc/transport/transportlayerice.cpp
@@ -0,0 +1,168 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Original author: ekr@rtfm.com
+
+// Some of this code is cut-and-pasted from nICEr. Copyright is:
+
+/*
+Copyright (c) 2007, Adobe Systems, Incorporated
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+
+* Neither the name of Adobe Systems, Network Resonance nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <string>
+
+#include "nsComponentManagerUtils.h"
+#include "nsError.h"
+#include "nsNetCID.h"
+
+// nICEr includes
+extern "C" {
+#include "nr_api.h"
+#include "ice_util.h"
+#include "transport_addr.h"
+}
+
+// Local includes
+#include "logging.h"
+#include "nricemediastream.h"
+#include "transportlayerice.h"
+
+namespace mozilla {
+
+#ifdef ERROR
+#  undef ERROR
+#endif
+
+MOZ_MTLOG_MODULE("mtransport")
+
+TransportLayerIce::TransportLayerIce() : stream_(nullptr), component_(0) {
+  // setup happens later
+}
+
+TransportLayerIce::~TransportLayerIce() {
+  // No need to do anything here, since we use smart pointers
+}
+
+void TransportLayerIce::SetParameters(RefPtr<NrIceMediaStream> stream,
+                                      int component) {
+  // Stream could be null in the case of some badly written js that causes
+  // us to be in an ICE restart case, but not have valid streams due to
+  // not calling PeerConnectionImpl::EnsureTransports if
+  // PeerConnectionImpl::SetSignalingState_m thinks the conditions were
+  // not correct.  We also solved a case where an incoming answer was
+  // incorrectly beginning an ICE restart when the offer did not indicate one.
+  if (!stream) {
+    MOZ_ASSERT(false);
+    return;
+  }
+
+  stream_ = stream;
+  component_ = component;
+
+  PostSetup();
+}
+
+void TransportLayerIce::PostSetup() {
+  stream_->SignalReady.connect(this, &TransportLayerIce::IceReady);
+  stream_->SignalFailed.connect(this, &TransportLayerIce::IceFailed);
+  stream_->SignalPacketReceived.connect(this,
+                                        &TransportLayerIce::IcePacketReceived);
+  if (stream_->state() == NrIceMediaStream::ICE_OPEN) {
+    TL_SET_STATE(TS_OPEN);
+  }
+}
+
+TransportResult TransportLayerIce::SendPacket(MediaPacket& packet) {
+  CheckThread();
+  SignalPacketSending(this, packet);
+  nsresult res = stream_->SendPacket(component_, packet.data(), packet.len());
+
+  if (!NS_SUCCEEDED(res)) {
+    return (res == NS_BASE_STREAM_WOULD_BLOCK) ? TE_WOULDBLOCK : TE_ERROR;
+  }
+
+  MOZ_MTLOG(ML_DEBUG,
+            LAYER_INFO << " SendPacket(" << packet.len() << ") succeeded");
+
+  return packet.len();
+}
+
+void TransportLayerIce::IceCandidate(NrIceMediaStream* stream,
+                                     const std::string&) {
+  // NO-OP for now
+}
+
+void TransportLayerIce::IceReady(NrIceMediaStream* stream) {
+  CheckThread();
+  // only handle the current stream (not the old stream during restart)
+  if (stream != stream_) {
+    return;
+  }
+  MOZ_MTLOG(ML_INFO, LAYER_INFO << "ICE Ready(" << stream->name() << ","
+                                << component_ << ")");
+  TL_SET_STATE(TS_OPEN);
+}
+
+void TransportLayerIce::IceFailed(NrIceMediaStream* stream) {
+  CheckThread();
+  // only handle the current stream (not the old stream during restart)
+  if (stream != stream_) {
+    return;
+  }
+  MOZ_MTLOG(ML_INFO, LAYER_INFO << "ICE Failed(" << stream->name() << ","
+                                << component_ << ")");
+  TL_SET_STATE(TS_ERROR);
+}
+
+void TransportLayerIce::IcePacketReceived(NrIceMediaStream* stream,
+                                          int component,
+                                          const unsigned char* data, int len) {
+  CheckThread();
+  // We get packets for both components, so ignore the ones that aren't
+  // for us.
+  if (component_ != component) return;
+
+  MOZ_MTLOG(ML_DEBUG, LAYER_INFO << "PacketReceived(" << stream->name() << ","
+                                 << component << "," << len << ")");
+  // Might be useful to allow MediaPacket to borrow a buffer (ie; not take
+  // ownership, but copy it if the MediaPacket is moved). This could be a
+  // footgun though with MediaPackets that end up on the heap.
+  MediaPacket packet;
+  packet.Copy(data, len);
+  packet.Categorize();
+
+  SignalPacketReceived(this, packet);
+}
+
+}  // namespace mozilla