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/* -*- 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/. */
#ifndef DOM_WEBTRANSPORT_PARENT_WEBTRANSPORTPARENT_H_
#define DOM_WEBTRANSPORT_PARENT_WEBTRANSPORTPARENT_H_
#include "ErrorList.h"
#include "mozilla/dom/ClientIPCTypes.h"
#include "mozilla/dom/FlippedOnce.h"
#include "mozilla/dom/PWebTransportParent.h"
#include "mozilla/ipc/Endpoint.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "nsISupports.h"
#include "nsIPrincipal.h"
#include "nsIWebTransport.h"
#include "nsTHashMap.h"
namespace mozilla::dom {
enum class WebTransportReliabilityMode : uint8_t;
class WebTransportParent : public PWebTransportParent,
public WebTransportSessionEventListener {
using IPCResult = mozilla::ipc::IPCResult;
public:
WebTransportParent() = default;
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_WEBTRANSPORTSESSIONEVENTLISTENER
void Create(const nsAString& aURL, nsIPrincipal* aPrincipal,
const mozilla::Maybe<IPCClientInfo>& aClientInfo,
const bool& aDedicated, const bool& aRequireUnreliable,
const uint32_t& aCongestionControl,
// Sequence<WebTransportHash>* aServerCertHashes,
Endpoint<PWebTransportParent>&& aParentEndpoint,
std::function<void(std::tuple<const nsresult&, const uint8_t&>)>&&
aResolver);
IPCResult RecvClose(const uint32_t& aCode, const nsACString& aReason);
IPCResult RecvCreateUnidirectionalStream(
Maybe<int64_t> aSendOrder,
CreateUnidirectionalStreamResolver&& aResolver);
IPCResult RecvCreateBidirectionalStream(
Maybe<int64_t> aSendOrder, CreateBidirectionalStreamResolver&& aResolver);
::mozilla::ipc::IPCResult RecvOutgoingDatagram(
nsTArray<uint8_t>&& aData, const TimeStamp& aExpirationTime,
OutgoingDatagramResolver&& aResolver);
::mozilla::ipc::IPCResult RecvGetMaxDatagramSize(
GetMaxDatagramSizeResolver&& aResolver);
void ActorDestroy(ActorDestroyReason aWhy) override;
class OnResetOrStopSendingCallback final {
public:
explicit OnResetOrStopSendingCallback(
std::function<void(nsresult)>&& aCallback)
: mCallback(std::move(aCallback)) {}
~OnResetOrStopSendingCallback() = default;
void OnResetOrStopSending(nsresult aError) { mCallback(aError); }
private:
std::function<void(nsresult)> mCallback;
};
protected:
virtual ~WebTransportParent();
private:
void NotifyRemoteClosed(uint32_t aErrorCode, const nsACString& aReason);
using ResolveType = std::tuple<const nsresult&, const uint8_t&>;
nsCOMPtr<nsISerialEventTarget> mSocketThread;
Atomic<bool> mSessionReady{false};
mozilla::Mutex mMutex{"WebTransportParent::mMutex"};
std::function<void(ResolveType)> mResolver MOZ_GUARDED_BY(mMutex);
// This is needed because mResolver is resolved on the background thread and
// OnSessionClosed is called on the socket thread.
std::function<void()> mExecuteAfterResolverCallback MOZ_GUARDED_BY(mMutex);
OutgoingDatagramResolver mOutgoingDatagramResolver;
GetMaxDatagramSizeResolver mMaxDatagramSizeResolver;
FlippedOnce<false> mClosed MOZ_GUARDED_BY(mMutex);
nsCOMPtr<nsIWebTransport> mWebTransport;
nsCOMPtr<nsIEventTarget> mOwningEventTarget;
nsTHashMap<nsUint64HashKey, OnResetOrStopSendingCallback> mStreamCallbackMap;
};
} // namespace mozilla::dom
#endif // DOM_WEBTRANSPORT_PARENT_WEBTRANSPORTPARENT_H_
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