mirror of
https://github.com/mozilla/gecko-dev.git
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8f8ec51372
--HG-- rename : content/base/public/nsDOMFile.h => content/base/public/File.h rename : content/base/src/nsDOMFile.cpp => content/base/src/File.cpp
706 lines
18 KiB
C++
706 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "UDPSocket.h"
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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/ErrorEvent.h"
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#include "mozilla/dom/UDPMessageEvent.h"
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#include "mozilla/dom/UDPSocketBinding.h"
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#include "mozilla/dom/UnionTypes.h"
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#include "mozilla/net/DNS.h"
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#include "nsComponentManagerUtils.h"
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#include "nsContentUtils.h"
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#include "nsINetAddr.h"
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#include "nsStringStream.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_CLASS(UDPSocket)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(UDPSocket, DOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOpened)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mClosed)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(UDPSocket, DOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mOpened)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mClosed)
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tmp->CloseWithReason(NS_OK);
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_ADDREF_INHERITED(UDPSocket, DOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(UDPSocket, DOMEventTargetHelper)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(UDPSocket)
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NS_INTERFACE_MAP_ENTRY(nsIUDPSocketListener)
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NS_INTERFACE_MAP_ENTRY(nsIUDPSocketInternal)
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NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
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/* static */ already_AddRefed<UDPSocket>
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UDPSocket::Constructor(const GlobalObject& aGlobal,
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const UDPOptions& aOptions,
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ErrorResult& aRv)
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{
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nsCOMPtr<nsPIDOMWindow> ownerWindow = do_QueryInterface(aGlobal.GetAsSupports());
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if (!ownerWindow) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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bool addressReuse = aOptions.mAddressReuse;
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bool loopback = aOptions.mLoopback;
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nsCString remoteAddress;
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if (aOptions.mRemoteAddress.WasPassed()) {
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remoteAddress = NS_ConvertUTF16toUTF8(aOptions.mRemoteAddress.Value());
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} else {
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remoteAddress.SetIsVoid(true);
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}
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Nullable<uint16_t> remotePort;
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if (aOptions.mRemotePort.WasPassed()) {
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remotePort.SetValue(aOptions.mRemotePort.Value());
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if (remotePort.Value() == 0) {
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aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
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return nullptr;
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}
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}
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nsString localAddress;
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if (aOptions.mLocalAddress.WasPassed()) {
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localAddress = aOptions.mLocalAddress.Value();
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// check if localAddress is a valid IPv4/6 address
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NS_ConvertUTF16toUTF8 address(localAddress);
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PRNetAddr prAddr;
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PRStatus status = PR_StringToNetAddr(address.BeginReading(), &prAddr);
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if (status != PR_SUCCESS) {
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aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
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return nullptr;
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}
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} else {
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SetDOMStringToNull(localAddress);
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}
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Nullable<uint16_t> localPort;
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if (aOptions.mLocalPort.WasPassed()) {
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localPort.SetValue(aOptions.mLocalPort.Value());
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if (localPort.Value() == 0) {
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aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
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return nullptr;
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}
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}
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nsRefPtr<UDPSocket> socket = new UDPSocket(ownerWindow, remoteAddress, remotePort);
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aRv = socket->Init(localAddress, localPort, addressReuse, loopback);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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return socket.forget();
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}
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UDPSocket::UDPSocket(nsPIDOMWindow* aOwner,
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const nsCString& aRemoteAddress,
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const Nullable<uint16_t>& aRemotePort)
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: DOMEventTargetHelper(aOwner)
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, mRemoteAddress(aRemoteAddress)
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, mRemotePort(aRemotePort)
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, mReadyState(SocketReadyState::Opening)
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{
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MOZ_ASSERT(aOwner);
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MOZ_ASSERT(aOwner->IsInnerWindow());
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nsIDocument* aDoc = aOwner->GetExtantDoc();
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if (aDoc) {
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aDoc->DisallowBFCaching();
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}
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}
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UDPSocket::~UDPSocket()
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{
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CloseWithReason(NS_OK);
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}
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JSObject*
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UDPSocket::WrapObject(JSContext* aCx)
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{
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return UDPSocketBinding::Wrap(aCx, this);
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}
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void
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UDPSocket::DisconnectFromOwner()
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{
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DOMEventTargetHelper::DisconnectFromOwner();
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CloseWithReason(NS_OK);
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}
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already_AddRefed<Promise>
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UDPSocket::Close()
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{
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MOZ_ASSERT(mClosed);
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nsRefPtr<Promise> promise = mClosed;
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if (mReadyState == SocketReadyState::Closed) {
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return promise.forget();
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}
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CloseWithReason(NS_OK);
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return promise.forget();
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}
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void
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UDPSocket::CloseWithReason(nsresult aReason)
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{
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if (mReadyState == SocketReadyState::Closed) {
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return;
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}
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if (mOpened) {
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if (mReadyState == SocketReadyState::Opening) {
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// reject openedPromise with AbortError if socket is closed without error
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nsresult openFailedReason = NS_FAILED(aReason) ? aReason : NS_ERROR_DOM_ABORT_ERR;
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mOpened->MaybeReject(openFailedReason);
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}
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}
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mReadyState = SocketReadyState::Closed;
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if (mSocket) {
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mSocket->Close();
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mSocket = nullptr;
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}
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if (mSocketChild) {
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mSocketChild->Close();
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mSocketChild = nullptr;
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}
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if (mClosed) {
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if (NS_SUCCEEDED(aReason)) {
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mClosed->MaybeResolve(JS::UndefinedHandleValue);
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} else {
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mClosed->MaybeReject(aReason);
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}
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}
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mPendingMcastCommands.Clear();
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}
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void
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UDPSocket::JoinMulticastGroup(const nsAString& aMulticastGroupAddress,
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ErrorResult& aRv)
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{
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if (mReadyState == SocketReadyState::Closed) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return;
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}
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if (mReadyState == SocketReadyState::Opening) {
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MulticastCommand joinCommand(MulticastCommand::Join, aMulticastGroupAddress);
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mPendingMcastCommands.AppendElement(joinCommand);
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return;
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}
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MOZ_ASSERT(mSocket || mSocketChild);
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NS_ConvertUTF16toUTF8 address(aMulticastGroupAddress);
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if (mSocket) {
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MOZ_ASSERT(!mSocketChild);
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aRv = mSocket->JoinMulticast(address, EmptyCString());
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NS_WARN_IF(aRv.Failed());
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return;
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}
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MOZ_ASSERT(mSocketChild);
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aRv = mSocketChild->JoinMulticast(address, EmptyCString());
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NS_WARN_IF(aRv.Failed());
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}
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void
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UDPSocket::LeaveMulticastGroup(const nsAString& aMulticastGroupAddress,
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ErrorResult& aRv)
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{
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if (mReadyState == SocketReadyState::Closed) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return;
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}
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if (mReadyState == SocketReadyState::Opening) {
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MulticastCommand leaveCommand(MulticastCommand::Leave, aMulticastGroupAddress);
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mPendingMcastCommands.AppendElement(leaveCommand);
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return;
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}
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MOZ_ASSERT(mSocket || mSocketChild);
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nsCString address = NS_ConvertUTF16toUTF8(aMulticastGroupAddress);
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if (mSocket) {
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MOZ_ASSERT(!mSocketChild);
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aRv = mSocket->LeaveMulticast(address, EmptyCString());
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NS_WARN_IF(aRv.Failed());
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return;
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}
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MOZ_ASSERT(mSocketChild);
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aRv = mSocketChild->LeaveMulticast(address, EmptyCString());
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NS_WARN_IF(aRv.Failed());
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}
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nsresult
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UDPSocket::DoPendingMcastCommand()
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{
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MOZ_ASSERT(mReadyState == SocketReadyState::Open, "Multicast command can only be executed after socket opened");
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for (uint32_t i = 0; i < mPendingMcastCommands.Length(); ++i) {
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MulticastCommand& command = mPendingMcastCommands[i];
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ErrorResult rv;
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switch (command.mCommand) {
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case MulticastCommand::Join: {
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JoinMulticastGroup(command.mAddress, rv);
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break;
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}
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case MulticastCommand::Leave: {
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LeaveMulticastGroup(command.mAddress, rv);
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break;
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}
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}
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if (NS_WARN_IF(rv.Failed())) {
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return rv.ErrorCode();
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}
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}
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mPendingMcastCommands.Clear();
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return NS_OK;
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}
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bool
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UDPSocket::Send(const StringOrBlobOrArrayBufferOrArrayBufferView& aData,
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const Optional<nsAString>& aRemoteAddress,
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const Optional<Nullable<uint16_t>>& aRemotePort,
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ErrorResult& aRv)
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{
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if (mReadyState != SocketReadyState::Open) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return false;
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}
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MOZ_ASSERT(mSocket || mSocketChild);
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// If the remote address and port were not specified in the constructor or as arguments,
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// throw InvalidAccessError.
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nsCString remoteAddress;
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if (aRemoteAddress.WasPassed()) {
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remoteAddress = NS_ConvertUTF16toUTF8(aRemoteAddress.Value());
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} else if (!mRemoteAddress.IsVoid()) {
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remoteAddress = mRemoteAddress;
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} else {
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aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
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return false;
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}
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uint16_t remotePort;
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if (aRemotePort.WasPassed() && !aRemotePort.Value().IsNull()) {
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remotePort = aRemotePort.Value().Value();
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} else if (!mRemotePort.IsNull()) {
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remotePort = mRemotePort.Value();
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} else {
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aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
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return false;
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}
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nsCOMPtr<nsIInputStream> stream;
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if (aData.IsBlob()) {
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File& blob = aData.GetAsBlob();
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aRv = blob.GetInternalStream(getter_AddRefs(stream));
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if (NS_WARN_IF(aRv.Failed())) {
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return false;
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}
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} else {
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nsresult rv;
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nsCOMPtr<nsIStringInputStream> strStream = do_CreateInstance(NS_STRINGINPUTSTREAM_CONTRACTID, &rv);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(rv);
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return false;
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}
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if (aData.IsString()) {
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NS_ConvertUTF16toUTF8 data(aData.GetAsString());
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aRv = strStream->SetData(data.BeginReading(), data.Length());
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} else if (aData.IsArrayBuffer()) {
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const ArrayBuffer& data = aData.GetAsArrayBuffer();
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data.ComputeLengthAndData();
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aRv = strStream->SetData(reinterpret_cast<const char*>(data.Data()), data.Length());
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} else {
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const ArrayBufferView& data = aData.GetAsArrayBufferView();
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data.ComputeLengthAndData();
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aRv = strStream->SetData(reinterpret_cast<const char*>(data.Data()), data.Length());
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}
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if (NS_WARN_IF(aRv.Failed())) {
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return false;
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}
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stream = strStream;
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}
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if (mSocket) {
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aRv = mSocket->SendBinaryStream(remoteAddress, remotePort, stream);
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} else if (mSocketChild) {
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aRv = mSocketChild->SendBinaryStream(remoteAddress, remotePort, stream);
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}
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if (NS_WARN_IF(aRv.Failed())) {
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return false;
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}
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return true;
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}
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nsresult
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UDPSocket::InitLocal(const nsAString& aLocalAddress,
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const uint16_t& aLocalPort)
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{
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nsresult rv;
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nsCOMPtr<nsIUDPSocket> sock =
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do_CreateInstance("@mozilla.org/network/udp-socket;1", &rv);
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if (NS_FAILED(rv)) {
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return rv;
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}
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if (aLocalAddress.IsEmpty()) {
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rv = sock->Init(aLocalPort, /* loopback = */ false, mAddressReuse, /* optionalArgc = */ 1);
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} else {
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PRNetAddr prAddr;
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PR_InitializeNetAddr(PR_IpAddrAny, aLocalPort, &prAddr);
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PR_StringToNetAddr(NS_ConvertUTF16toUTF8(aLocalAddress).BeginReading(), &prAddr);
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mozilla::net::NetAddr addr;
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PRNetAddrToNetAddr(&prAddr, &addr);
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rv = sock->InitWithAddress(&addr, mAddressReuse, /* optionalArgc = */ 1);
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}
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if (NS_FAILED(rv)) {
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return rv;
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}
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rv = sock->SetMulticastLoopback(mLoopback);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mSocket = sock;
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// Get real local address and local port
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nsCOMPtr<nsINetAddr> localAddr;
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rv = mSocket->GetLocalAddr(getter_AddRefs(localAddr));
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsCString localAddress;
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rv = localAddr->GetAddress(localAddress);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mLocalAddress = NS_ConvertUTF8toUTF16(localAddress);
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uint16_t localPort;
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rv = localAddr->GetPort(&localPort);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mLocalPort.SetValue(localPort);
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rv = mSocket->AsyncListen(this);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mReadyState = SocketReadyState::Open;
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rv = DoPendingMcastCommand();
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if (NS_FAILED(rv)) {
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return rv;
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}
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mOpened->MaybeResolve(JS::UndefinedHandleValue);
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return NS_OK;
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}
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nsresult
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UDPSocket::InitRemote(const nsAString& aLocalAddress,
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const uint16_t& aLocalPort)
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{
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nsresult rv;
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nsCOMPtr<nsIUDPSocketChild> sock =
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do_CreateInstance("@mozilla.org/udp-socket-child;1", &rv);
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if (NS_FAILED(rv)) {
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return rv;
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}
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rv = sock->Bind(this, NS_ConvertUTF16toUTF8(aLocalAddress), aLocalPort, mAddressReuse, mLoopback);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mSocketChild = sock;
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return NS_OK;
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}
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nsresult
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UDPSocket::Init(const nsString& aLocalAddress,
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const Nullable<uint16_t>& aLocalPort,
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const bool& aAddressReuse,
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const bool& aLoopback)
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{
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MOZ_ASSERT(!mSocket && !mSocketChild);
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mLocalAddress = aLocalAddress;
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mLocalPort = aLocalPort;
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mAddressReuse = aAddressReuse;
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mLoopback = aLoopback;
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ErrorResult rv;
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
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mOpened = Promise::Create(global, rv);
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if (NS_WARN_IF(rv.Failed())) {
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return rv.ErrorCode();
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}
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mClosed = Promise::Create(global, rv);
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if (NS_WARN_IF(rv.Failed())) {
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return rv.ErrorCode();
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}
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class OpenSocketRunnable MOZ_FINAL : public nsRunnable
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{
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public:
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explicit OpenSocketRunnable(UDPSocket* aSocket) : mSocket(aSocket)
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{ }
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NS_IMETHOD Run() MOZ_OVERRIDE
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{
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MOZ_ASSERT(mSocket);
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if (mSocket->mReadyState != SocketReadyState::Opening) {
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return NS_OK;
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}
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uint16_t localPort = 0;
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if (!mSocket->mLocalPort.IsNull()) {
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localPort = mSocket->mLocalPort.Value();
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}
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nsresult rv;
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if (XRE_GetProcessType() != GeckoProcessType_Default) {
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rv = mSocket->InitRemote(mSocket->mLocalAddress, localPort);
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} else {
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rv = mSocket->InitLocal(mSocket->mLocalAddress, localPort);
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}
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if (NS_WARN_IF(NS_FAILED(rv))) {
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mSocket->CloseWithReason(NS_ERROR_DOM_NETWORK_ERR);
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}
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return NS_OK;
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}
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private:
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nsRefPtr<UDPSocket> mSocket;
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};
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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;
|
|
|
|
nsRefPtr<UDPMessageEvent> udpEvent =
|
|
UDPMessageEvent::Constructor(this, NS_LITERAL_STRING("message"), init);
|
|
|
|
if (NS_WARN_IF(!udpEvent)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
udpEvent->SetTrusted(true);
|
|
|
|
nsRefPtr<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->MaybeResolve(JS::UndefinedHandleValue);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
UDPSocket::CallListenerClosed()
|
|
{
|
|
CloseWithReason(NS_OK);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|