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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 mozilla_net_Http3WebTransportStream_h
#define mozilla_net_Http3WebTransportStream_h
#include <functional>
#include "WebTransportStreamBase.h"
#include "Http3StreamBase.h"
#include "mozilla/Maybe.h"
#include "mozilla/Result.h"
#include "mozilla/ResultVariant.h"
class nsIWebTransportSendStreamStats;
class nsIWebTransportReceiveStreamStats;
namespace mozilla::net {
class Http3WebTransportSession;
class Http3WebTransportStream final : public WebTransportStreamBase,
public Http3StreamBase,
public nsAHttpSegmentWriter,
public nsAHttpSegmentReader {
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSAHTTPSEGMENTWRITER
NS_DECL_NSAHTTPSEGMENTREADER
NS_DECL_NSIINPUTSTREAMCALLBACK
NS_DECL_NSIOUTPUTSTREAMCALLBACK
explicit Http3WebTransportStream(
Http3SessionBase* aSession, uint64_t aSessionId,
WebTransportStreamType aType,
std::function<void(Result<RefPtr<WebTransportStreamBase>, nsresult>&&)>&&
aCallback);
explicit Http3WebTransportStream(Http3SessionBase* aSession,
uint64_t aSessionId,
WebTransportStreamType aType,
uint64_t aStreamId);
class StreamId WebTransportStreamId() const override;
uint64_t GetStreamId() const override;
Http3WebTransportSession* GetHttp3WebTransportSession() override {
return nullptr;
}
Http3WebTransportStream* GetHttp3WebTransportStream() override {
return this;
}
Http3Stream* GetHttp3Stream() override { return nullptr; }
Http3ConnectUDPStream* GetHttp3ConnectUDPStream() override { return nullptr; }
Http3StreamTunnel* GetHttp3StreamTunnel() override { return nullptr; }
void SetSendOrder(Maybe<int64_t> aSendOrder) override;
[[nodiscard]] nsresult ReadSegments() override;
[[nodiscard]] nsresult WriteSegments() override;
bool Done() const override;
void Close(nsresult aResult) override;
void SetResponseHeaders(nsTArray<uint8_t>& aResponseHeaders, bool fin,
bool interim) override {}
uint64_t SessionId() const { return mSessionId; }
void SendFin() override;
void Reset(uint64_t aErrorCode) override;
void SendStopSending(uint8_t aErrorCode) override;
already_AddRefed<nsIWebTransportSendStreamStats> GetSendStreamStats()
override;
already_AddRefed<nsIWebTransportReceiveStreamStats> GetReceiveStreamStats()
override;
// When mRecvState is RECV_DONE, this means we already received the FIN.
bool RecvDone() const override { return mRecvState == RECV_DONE; }
private:
friend class Http3WebTransportSession;
virtual ~Http3WebTransportStream();
nsresult TryActivating();
static nsresult ReadRequestSegment(nsIInputStream*, void*, const char*,
uint32_t, uint32_t, uint32_t*);
static nsresult WritePipeSegment(nsIOutputStream*, void*, char*, uint32_t,
uint32_t, uint32_t*);
uint64_t mTotalSent = 0;
uint64_t mTotalReceived = 0;
// TODO: neqo doesn't expose this information for now.
uint64_t mTotalAcknowledged = 0;
bool mSendFin{false};
// The error code used to reset the stream. Should be only set once.
Maybe<uint64_t> mResetError;
// The error code used for STOP_SENDING. Should be only set once.
Maybe<uint8_t> mStopSendingError;
// This is used when SendFin or Reset is called when mSendState is SENDING.
nsTArray<std::function<void()>> mPendingTasks;
};
} // namespace mozilla::net
#endif // mozilla_net_Http3WebTransportStream_h
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