Add m-esr52 at 52.6.0

1 files changed, 762 insertions, 0 deletions

diff --git a/dom/network/UDPSocket.cpp b/dom/network/UDPSocket.cpp
new file mode 100644
index 000000000..e275e3902
--- /dev/null
+++ b/dom/network/UDPSocket.cpp
@@ -0,0 +1,762 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=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/. */
+
+#include "UDPSocket.h"
+#include "mozilla/AsyncEventDispatcher.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/ErrorEvent.h"
+#include "mozilla/dom/UDPMessageEvent.h"
+#include "mozilla/dom/UDPSocketBinding.h"
+#include "mozilla/dom/UnionTypes.h"
+#include "mozilla/net/DNS.h"
+#include "nsComponentManagerUtils.h"
+#include "nsContentUtils.h"
+#include "nsINetAddr.h"
+#include "nsStringStream.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_ISUPPORTS(UDPSocket::ListenerProxy,
+                  nsIUDPSocketListener,
+                  nsIUDPSocketInternal)
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(UDPSocket)
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(UDPSocket, DOMEventTargetHelper)
+  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOpened)
+  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mClosed)
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(UDPSocket, DOMEventTargetHelper)
+  NS_IMPL_CYCLE_COLLECTION_UNLINK(mOpened)
+  NS_IMPL_CYCLE_COLLECTION_UNLINK(mClosed)
+  tmp->CloseWithReason(NS_OK);
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_IMPL_ADDREF_INHERITED(UDPSocket, DOMEventTargetHelper)
+NS_IMPL_RELEASE_INHERITED(UDPSocket, DOMEventTargetHelper)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(UDPSocket)
+  NS_INTERFACE_MAP_ENTRY(nsIUDPSocketListener)
+  NS_INTERFACE_MAP_ENTRY(nsIUDPSocketInternal)
+NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
+
+/* static */ already_AddRefed<UDPSocket>
+UDPSocket::Constructor(const GlobalObject& aGlobal,
+                       const UDPOptions& aOptions,
+                       ErrorResult& aRv)
+{
+  nsCOMPtr<nsPIDOMWindowInner> ownerWindow = do_QueryInterface(aGlobal.GetAsSupports());
+  if (!ownerWindow) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return nullptr;
+  }
+
+  bool addressReuse = aOptions.mAddressReuse;
+  bool loopback = aOptions.mLoopback;
+
+  nsCString remoteAddress;
+  if (aOptions.mRemoteAddress.WasPassed()) {
+    remoteAddress = NS_ConvertUTF16toUTF8(aOptions.mRemoteAddress.Value());
+  } else {
+    remoteAddress.SetIsVoid(true);
+  }
+
+  Nullable<uint16_t> remotePort;
+  if (aOptions.mRemotePort.WasPassed()) {
+    remotePort.SetValue(aOptions.mRemotePort.Value());
+
+    if (remotePort.Value() == 0) {
+      aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
+      return nullptr;
+    }
+  }
+
+  nsString localAddress;
+  if (aOptions.mLocalAddress.WasPassed()) {
+    localAddress = aOptions.mLocalAddress.Value();
+
+    // check if localAddress is a valid IPv4/6 address
+    NS_ConvertUTF16toUTF8 address(localAddress);
+    PRNetAddr prAddr;
+    PRStatus status = PR_StringToNetAddr(address.BeginReading(), &prAddr);
+    if (status != PR_SUCCESS) {
+      aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
+      return nullptr;
+    }
+  } else {
+    SetDOMStringToNull(localAddress);
+  }
+
+  Nullable<uint16_t> localPort;
+  if (aOptions.mLocalPort.WasPassed()) {
+    localPort.SetValue(aOptions.mLocalPort.Value());
+
+    if (localPort.Value() == 0) {
+      aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
+      return nullptr;
+    }
+  }
+
+  RefPtr<UDPSocket> socket = new UDPSocket(ownerWindow, remoteAddress, remotePort);
+  aRv = socket->Init(localAddress, localPort, addressReuse, loopback);
+
+  if (NS_WARN_IF(aRv.Failed())) {
+    return nullptr;
+  }
+
+  return socket.forget();
+}
+
+UDPSocket::UDPSocket(nsPIDOMWindowInner* aOwner,
+                     const nsCString& aRemoteAddress,
+                     const Nullable<uint16_t>& aRemotePort)
+  : DOMEventTargetHelper(aOwner)
+  , mRemoteAddress(aRemoteAddress)
+  , mRemotePort(aRemotePort)
+  , mAddressReuse(false)
+  , mLoopback(false)
+  , mReadyState(SocketReadyState::Opening)
+{
+  MOZ_ASSERT(aOwner);
+  MOZ_ASSERT(aOwner->IsInnerWindow());
+
+  nsIDocument* aDoc = aOwner->GetExtantDoc();
+  if (aDoc) {
+    aDoc->DisallowBFCaching();
+  }
+}
+
+UDPSocket::~UDPSocket()
+{
+  CloseWithReason(NS_OK);
+}
+
+JSObject*
+UDPSocket::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return UDPSocketBinding::Wrap(aCx, this, aGivenProto);
+}
+
+void
+UDPSocket::DisconnectFromOwner()
+{
+  DOMEventTargetHelper::DisconnectFromOwner();
+  CloseWithReason(NS_OK);
+}
+
+already_AddRefed<Promise>
+UDPSocket::Close()
+{
+  MOZ_ASSERT(mClosed);
+
+  RefPtr<Promise> promise = mClosed;
+
+  if (mReadyState == SocketReadyState::Closed) {
+    return promise.forget();
+  }
+
+  CloseWithReason(NS_OK);
+  return promise.forget();
+}
+
+void
+UDPSocket::CloseWithReason(nsresult aReason)
+{
+  if (mReadyState == SocketReadyState::Closed) {
+    return;
+  }
+
+  if (mOpened) {
+    if (mReadyState == SocketReadyState::Opening) {
+      // reject openedPromise with AbortError if socket is closed without error
+      nsresult openFailedReason = NS_FAILED(aReason) ? aReason : NS_ERROR_DOM_ABORT_ERR;
+      mOpened->MaybeReject(openFailedReason);
+    }
+  }
+
+  mReadyState = SocketReadyState::Closed;
+
+  if (mListenerProxy) {
+    mListenerProxy->Disconnect();
+    mListenerProxy = nullptr;
+  }
+
+  if (mSocket) {
+    mSocket->Close();
+    mSocket = nullptr;
+  }
+
+  if (mSocketChild) {
+    mSocketChild->Close();
+    mSocketChild = nullptr;
+  }
+
+  if (mClosed) {
+    if (NS_SUCCEEDED(aReason)) {
+      mClosed->MaybeResolveWithUndefined();
+    } else {
+      mClosed->MaybeReject(aReason);
+    }
+  }
+
+  mPendingMcastCommands.Clear();
+}
+
+void
+UDPSocket::JoinMulticastGroup(const nsAString& aMulticastGroupAddress,
+                              ErrorResult& aRv)
+{
+  if (mReadyState == SocketReadyState::Closed) {
+    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return;
+  }
+
+  if (mReadyState == SocketReadyState::Opening) {
+    MulticastCommand joinCommand(MulticastCommand::Join, aMulticastGroupAddress);
+    mPendingMcastCommands.AppendElement(joinCommand);
+    return;
+  }
+
+  MOZ_ASSERT(mSocket || mSocketChild);
+
+  NS_ConvertUTF16toUTF8 address(aMulticastGroupAddress);
+
+  if (mSocket) {
+    MOZ_ASSERT(!mSocketChild);
+
+    aRv = mSocket->JoinMulticast(address, EmptyCString());
+    NS_WARNING_ASSERTION(!aRv.Failed(), "JoinMulticast failed");
+
+    return;
+  }
+
+  MOZ_ASSERT(mSocketChild);
+
+  aRv = mSocketChild->JoinMulticast(address, EmptyCString());
+  NS_WARNING_ASSERTION(!aRv.Failed(), "JoinMulticast failed");
+}
+
+void
+UDPSocket::LeaveMulticastGroup(const nsAString& aMulticastGroupAddress,
+                               ErrorResult& aRv)
+{
+  if (mReadyState == SocketReadyState::Closed) {
+    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return;
+  }
+
+  if (mReadyState == SocketReadyState::Opening) {
+    MulticastCommand leaveCommand(MulticastCommand::Leave, aMulticastGroupAddress);
+    mPendingMcastCommands.AppendElement(leaveCommand);
+    return;
+  }
+
+  MOZ_ASSERT(mSocket || mSocketChild);
+
+  nsCString address = NS_ConvertUTF16toUTF8(aMulticastGroupAddress);
+  if (mSocket) {
+    MOZ_ASSERT(!mSocketChild);
+
+    aRv = mSocket->LeaveMulticast(address, EmptyCString());
+    NS_WARNING_ASSERTION(!aRv.Failed(), "mSocket->LeaveMulticast failed");
+    return;
+  }
+
+  MOZ_ASSERT(mSocketChild);
+
+  aRv = mSocketChild->LeaveMulticast(address, EmptyCString());
+  NS_WARNING_ASSERTION(!aRv.Failed(), "mSocketChild->LeaveMulticast failed");
+}
+
+nsresult
+UDPSocket::DoPendingMcastCommand()
+{
+  MOZ_ASSERT(mReadyState == SocketReadyState::Open, "Multicast command can only be executed after socket opened");
+
+  for (uint32_t i = 0; i < mPendingMcastCommands.Length(); ++i) {
+    MulticastCommand& command = mPendingMcastCommands[i];
+    ErrorResult rv;
+
+    switch (command.mCommand) {
+      case MulticastCommand::Join: {
+        JoinMulticastGroup(command.mAddress, rv);
+        break;
+      }
+      case MulticastCommand::Leave: {
+        LeaveMulticastGroup(command.mAddress, rv);
+        break;
+      }
+    }
+
+    if (NS_WARN_IF(rv.Failed())) {
+      return rv.StealNSResult();
+    }
+  }
+
+  mPendingMcastCommands.Clear();
+  return NS_OK;
+}
+
+bool
+UDPSocket::Send(const StringOrBlobOrArrayBufferOrArrayBufferView& aData,
+                const Optional<nsAString>& aRemoteAddress,
+                const Optional<Nullable<uint16_t>>& aRemotePort,
+                ErrorResult& aRv)
+{
+  if (mReadyState != SocketReadyState::Open) {
+    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return false;
+  }
+
+  MOZ_ASSERT(mSocket || mSocketChild);
+
+  // If the remote address and port were not specified in the constructor or as arguments,
+  // throw InvalidAccessError.
+  nsCString remoteAddress;
+  if (aRemoteAddress.WasPassed()) {
+    remoteAddress = NS_ConvertUTF16toUTF8(aRemoteAddress.Value());
+    UDPSOCKET_LOG(("%s: Send to %s", __FUNCTION__, remoteAddress.get()));
+  } else if (!mRemoteAddress.IsVoid()) {
+    remoteAddress = mRemoteAddress;
+    UDPSOCKET_LOG(("%s: Send to %s", __FUNCTION__, remoteAddress.get()));
+  } else {
+    aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
+    return false;
+  }
+
+  uint16_t remotePort;
+  if (aRemotePort.WasPassed() && !aRemotePort.Value().IsNull()) {
+    remotePort = aRemotePort.Value().Value();
+  } else if (!mRemotePort.IsNull()) {
+    remotePort = mRemotePort.Value();
+  } else {
+    aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
+    return false;
+  }
+
+  nsCOMPtr<nsIInputStream> stream;
+  if (aData.IsBlob()) {
+    Blob& blob = aData.GetAsBlob();
+
+    blob.GetInternalStream(getter_AddRefs(stream), aRv);
+    if (NS_WARN_IF(aRv.Failed())) {
+      return false;
+    }
+  } else {
+    nsresult rv;
+    nsCOMPtr<nsIStringInputStream> strStream = do_CreateInstance(NS_STRINGINPUTSTREAM_CONTRACTID, &rv);
+    if (NS_WARN_IF(NS_FAILED(rv))) {
+      aRv.Throw(rv);
+      return false;
+    }
+
+    if (aData.IsString()) {
+      NS_ConvertUTF16toUTF8 data(aData.GetAsString());
+      aRv = strStream->SetData(data.BeginReading(), data.Length());
+    } else if (aData.IsArrayBuffer()) {
+      const ArrayBuffer& data = aData.GetAsArrayBuffer();
+      data.ComputeLengthAndData();
+      aRv = strStream->SetData(reinterpret_cast<const char*>(data.Data()), data.Length());
+    } else {
+      const ArrayBufferView& data = aData.GetAsArrayBufferView();
+      data.ComputeLengthAndData();
+      aRv = strStream->SetData(reinterpret_cast<const char*>(data.Data()), data.Length());
+    }
+
+    if (NS_WARN_IF(aRv.Failed())) {
+      return false;
+    }
+
+    stream = strStream;
+  }
+
+  if (mSocket) {
+    aRv = mSocket->SendBinaryStream(remoteAddress, remotePort, stream);
+  } else if (mSocketChild) {
+    aRv = mSocketChild->SendBinaryStream(remoteAddress, remotePort, stream);
+  }
+
+  if (NS_WARN_IF(aRv.Failed())) {
+    return false;
+  }
+
+  return true;
+}
+
+nsresult
+UDPSocket::InitLocal(const nsAString& aLocalAddress,
+                     const uint16_t& aLocalPort)
+{
+  nsresult rv;
+
+  nsCOMPtr<nsIUDPSocket> sock =
+      do_CreateInstance("@mozilla.org/network/udp-socket;1", &rv);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner(), &rv);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  nsCOMPtr<nsIPrincipal> principal = global->PrincipalOrNull();
+  if (!principal) {
+    return NS_ERROR_FAILURE;
+  }
+
+  if (aLocalAddress.IsEmpty()) {
+    rv = sock->Init(aLocalPort, /* loopback = */ false, principal,
+                    mAddressReuse, /* optionalArgc = */ 1);
+  } else {
+    PRNetAddr prAddr;
+    PR_InitializeNetAddr(PR_IpAddrAny, aLocalPort, &prAddr);
+    PR_StringToNetAddr(NS_ConvertUTF16toUTF8(aLocalAddress).BeginReading(), &prAddr);
+    UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, NS_ConvertUTF16toUTF8(aLocalAddress).get(), aLocalPort));
+
+    mozilla::net::NetAddr addr;
+    PRNetAddrToNetAddr(&prAddr, &addr);
+    rv = sock->InitWithAddress(&addr, principal, mAddressReuse,
+                               /* optionalArgc = */ 1);
+  }
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  rv = sock->SetMulticastLoopback(mLoopback);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  mSocket = sock;
+
+  // Get real local address and local port
+  nsCOMPtr<nsINetAddr> localAddr;
+  rv = mSocket->GetLocalAddr(getter_AddRefs(localAddr));
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  nsCString localAddress;
+  rv = localAddr->GetAddress(localAddress);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+  mLocalAddress = NS_ConvertUTF8toUTF16(localAddress);
+
+  uint16_t localPort;
+  rv = localAddr->GetPort(&localPort);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+  mLocalPort.SetValue(localPort);
+
+  mListenerProxy = new ListenerProxy(this);
+
+  rv = mSocket->AsyncListen(mListenerProxy);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  mReadyState = SocketReadyState::Open;
+  rv = DoPendingMcastCommand();
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  mOpened->MaybeResolveWithUndefined();
+
+  return NS_OK;
+}
+
+nsresult
+UDPSocket::InitRemote(const nsAString& aLocalAddress,
+                      const uint16_t& aLocalPort)
+{
+  nsresult rv;
+
+  nsCOMPtr<nsIUDPSocketChild> sock =
+    do_CreateInstance("@mozilla.org/udp-socket-child;1", &rv);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  mListenerProxy = new ListenerProxy(this);
+
+  nsCOMPtr<nsIGlobalObject> obj = do_QueryInterface(GetOwner(), &rv);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  nsCOMPtr<nsIPrincipal> principal = obj->PrincipalOrNull();
+  if (!principal) {
+    return NS_ERROR_FAILURE;
+  }
+
+  rv = sock->Bind(mListenerProxy,
+                  principal,
+                  NS_ConvertUTF16toUTF8(aLocalAddress),
+                  aLocalPort,
+                  mAddressReuse,
+                  mLoopback,
+                  0,
+                  0);
+
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  mSocketChild = sock;
+
+  return NS_OK;
+}
+
+nsresult
+UDPSocket::Init(const nsString& aLocalAddress,
+                const Nullable<uint16_t>& aLocalPort,
+                const bool& aAddressReuse,
+                const bool& aLoopback)
+{
+  MOZ_ASSERT(!mSocket && !mSocketChild);
+
+  mLocalAddress = aLocalAddress;
+  mLocalPort = aLocalPort;
+  mAddressReuse = aAddressReuse;
+  mLoopback = aLoopback;
+
+  ErrorResult rv;
+  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
+
+  mOpened = Promise::Create(global, rv);
+  if (NS_WARN_IF(rv.Failed())) {
+    return rv.StealNSResult();
+  }
+
+  mClosed = Promise::Create(global, rv);
+  if (NS_WARN_IF(rv.Failed())) {
+    return rv.StealNSResult();
+  }
+
+  class OpenSocketRunnable final : public Runnable
+  {
+  public:
+    explicit OpenSocketRunnable(UDPSocket* aSocket) : mSocket(aSocket)
+    { }
+
+    NS_IMETHOD Run() override
+    {
+      MOZ_ASSERT(mSocket);
+
+      if (mSocket->mReadyState != SocketReadyState::Opening) {
+        return NS_OK;
+      }
+
+      uint16_t localPort = 0;
+      if (!mSocket->mLocalPort.IsNull()) {
+        localPort = mSocket->mLocalPort.Value();
+      }
+
+      nsresult rv;
+      if (!XRE_IsParentProcess()) {
+        rv = mSocket->InitRemote(mSocket->mLocalAddress, localPort);
+      } else {
+        rv = mSocket->InitLocal(mSocket->mLocalAddress, localPort);
+      }
+
+      if (NS_WARN_IF(NS_FAILED(rv))) {
+        mSocket->CloseWithReason(NS_ERROR_DOM_NETWORK_ERR);
+      }
+
+      return NS_OK;
+    }
+
+  private:
+    RefPtr<UDPSocket> mSocket;
+  };
+
+  nsCOMPtr<nsIRunnable> runnable = new OpenSocketRunnable(this);
+
+  return NS_DispatchToMainThread(runnable);
+}
+
+void
+UDPSocket::HandleReceivedData(const nsACString& aRemoteAddress,
+                              const uint16_t& aRemotePort,
+                              const uint8_t* aData,
+                              const uint32_t& aDataLength)
+{
+  if (mReadyState != SocketReadyState::Open) {
+    return;
+  }
+
+  if (NS_FAILED(CheckInnerWindowCorrectness())) {
+    return;
+  }
+
+  if (NS_FAILED(DispatchReceivedData(aRemoteAddress, aRemotePort, aData, aDataLength))) {
+    CloseWithReason(NS_ERROR_TYPE_ERR);
+  }
+}
+
+nsresult
+UDPSocket::DispatchReceivedData(const nsACString& aRemoteAddress,
+                                const uint16_t& aRemotePort,
+                                const uint8_t* aData,
+                                const uint32_t& aDataLength)
+{
+  AutoJSAPI jsapi;
+
+  if (NS_WARN_IF(!jsapi.Init(GetOwner()))) {
+    return NS_ERROR_FAILURE;
+  }
+
+  JSContext* cx = jsapi.cx();
+
+  // Copy packet data to ArrayBuffer
+  JS::Rooted<JSObject*> arrayBuf(cx, ArrayBuffer::Create(cx, aDataLength, aData));
+
+  if (NS_WARN_IF(!arrayBuf)) {
+    return NS_ERROR_FAILURE;
+  }
+
+  JS::Rooted<JS::Value> jsData(cx, JS::ObjectValue(*arrayBuf));
+
+  // Create DOM event
+  RootedDictionary<UDPMessageEventInit> init(cx);
+  init.mRemoteAddress = NS_ConvertUTF8toUTF16(aRemoteAddress);
+  init.mRemotePort = aRemotePort;
+  init.mData = jsData;
+
+  RefPtr<UDPMessageEvent> udpEvent =
+    UDPMessageEvent::Constructor(this, NS_LITERAL_STRING("message"), init);
+
+  if (NS_WARN_IF(!udpEvent)) {
+    return NS_ERROR_FAILURE;
+  }
+
+  udpEvent->SetTrusted(true);
+
+  RefPtr<AsyncEventDispatcher> asyncDispatcher = new AsyncEventDispatcher(this, udpEvent);
+
+  return asyncDispatcher->PostDOMEvent();
+}
+
+// nsIUDPSocketListener
+
+NS_IMETHODIMP
+UDPSocket::OnPacketReceived(nsIUDPSocket* aSocket, nsIUDPMessage* aMessage)
+{
+  // nsIUDPSocketListener callbacks should be invoked on main thread.
+  MOZ_ASSERT(NS_IsMainThread(), "Not running on main thread");
+
+  // Create appropriate JS object for message
+  FallibleTArray<uint8_t>& buffer = aMessage->GetDataAsTArray();
+
+  nsCOMPtr<nsINetAddr> addr;
+  if (NS_WARN_IF(NS_FAILED(aMessage->GetFromAddr(getter_AddRefs(addr))))) {
+    return NS_OK;
+  }
+
+  nsCString remoteAddress;
+  if (NS_WARN_IF(NS_FAILED(addr->GetAddress(remoteAddress)))) {
+    return NS_OK;
+  }
+
+  uint16_t remotePort;
+  if (NS_WARN_IF(NS_FAILED(addr->GetPort(&remotePort)))) {
+    return NS_OK;
+  }
+
+  HandleReceivedData(remoteAddress, remotePort, buffer.Elements(), buffer.Length());
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocket::OnStopListening(nsIUDPSocket* aSocket, nsresult aStatus)
+{
+  // nsIUDPSocketListener callbacks should be invoked on main thread.
+  MOZ_ASSERT(NS_IsMainThread(), "Not running on main thread");
+
+  CloseWithReason(aStatus);
+
+  return NS_OK;
+}
+
+// nsIUDPSocketInternal
+
+NS_IMETHODIMP
+UDPSocket::CallListenerError(const nsACString& aMessage,
+                             const nsACString& aFilename,
+                             uint32_t aLineNumber)
+{
+  CloseWithReason(NS_ERROR_DOM_NETWORK_ERR);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocket::CallListenerReceivedData(const nsACString& aRemoteAddress,
+                                    uint16_t aRemotePort,
+                                    const uint8_t* aData,
+                                    uint32_t aDataLength)
+{
+  HandleReceivedData(aRemoteAddress, aRemotePort, aData, aDataLength);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocket::CallListenerOpened()
+{
+  if (mReadyState != SocketReadyState::Opening) {
+    return NS_OK;
+  }
+
+  MOZ_ASSERT(mSocketChild);
+
+  // Get real local address and local port
+  nsCString localAddress;
+  mSocketChild->GetLocalAddress(localAddress);
+  mLocalAddress = NS_ConvertUTF8toUTF16(localAddress);
+
+  uint16_t localPort;
+  mSocketChild->GetLocalPort(&localPort);
+  mLocalPort.SetValue(localPort);
+
+  mReadyState = SocketReadyState::Open;
+  nsresult rv = DoPendingMcastCommand();
+
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    CloseWithReason(rv);
+    return NS_OK;
+  }
+
+  mOpened->MaybeResolveWithUndefined();
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocket::CallListenerConnected()
+{
+  // This shouldn't be called here.
+  MOZ_CRASH();
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocket::CallListenerClosed()
+{
+  CloseWithReason(NS_OK);
+
+  return NS_OK;
+}
+
+} // namespace dom
+} // namespace mozilla