73 lines
2.7 KiB
C++
73 lines
2.7 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 "mozilla/dom/WebTransportReceiveStream.h"
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#include "mozilla/dom/ReadableByteStreamController.h"
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#include "mozilla/dom/UnderlyingSourceCallbackHelpers.h"
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#include "mozilla/dom/ReadableStream.h"
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#include "mozilla/dom/WebTransport.h"
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#include "mozilla/dom/WebTransportSendReceiveStreamBinding.h"
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#include "mozilla/ipc/DataPipe.h"
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using namespace mozilla::ipc;
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namespace mozilla::dom {
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NS_IMPL_CYCLE_COLLECTION_INHERITED(WebTransportReceiveStream, ReadableStream,
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mTransport)
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NS_IMPL_ADDREF_INHERITED(WebTransportReceiveStream, ReadableStream)
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NS_IMPL_RELEASE_INHERITED(WebTransportReceiveStream, ReadableStream)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(WebTransportReceiveStream)
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NS_INTERFACE_MAP_END_INHERITING(ReadableStream)
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WebTransportReceiveStream::WebTransportReceiveStream(nsIGlobalObject* aGlobal,
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WebTransport* aTransport)
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: ReadableStream(aGlobal,
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ReadableStream::HoldDropJSObjectsCaller::Explicit),
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mTransport(aTransport) {
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mozilla::HoldJSObjects(this);
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}
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// WebIDL Boilerplate
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JSObject* WebTransportReceiveStream::WrapObject(
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JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
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return WebTransportReceiveStream_Binding::Wrap(aCx, this, aGivenProto);
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}
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already_AddRefed<WebTransportReceiveStream> WebTransportReceiveStream::Create(
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WebTransport* aWebTransport, nsIGlobalObject* aGlobal, uint64_t aStreamId,
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DataPipeReceiver* receiver, ErrorResult& aRv) {
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// https://w3c.github.io/webtransport/#webtransportreceivestream-create
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AutoJSAPI jsapi;
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if (!jsapi.Init(aGlobal)) {
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return nullptr;
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}
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JSContext* cx = jsapi.cx();
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auto stream = MakeRefPtr<WebTransportReceiveStream>(aGlobal, aWebTransport);
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nsCOMPtr<nsIAsyncInputStream> inputStream = receiver;
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auto algorithms = MakeRefPtr<InputToReadableStreamAlgorithms>(
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cx, inputStream, (ReadableStream*)stream);
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stream->SetUpByteNative(cx, *algorithms, Some(0.0), aRv);
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if (aRv.Failed()) {
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return nullptr;
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}
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// Add to ReceiveStreams
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aWebTransport->mReceiveStreams.InsertOrUpdate(aStreamId, stream);
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return stream.forget();
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}
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already_AddRefed<Promise> WebTransportReceiveStream::GetStats() {
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RefPtr<Promise> promise = Promise::CreateInfallible(ReadableStream::mGlobal);
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promise->MaybeRejectWithNotSupportedError("GetStats isn't supported yet");
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return promise.forget();
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}
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} // namespace mozilla::dom
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