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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_Http3WebTransportSession_h
#define mozilla_net_Http3WebTransportSession_h
#include "ARefBase.h"
#include "Http3StreamBase.h"
#include "nsIWebTransport.h"
#include "mozilla/WeakPtr.h"
#include "mozilla/net/NeqoHttp3Conn.h"
namespace mozilla::net {
class Http3Session;
// TODO Http3WebTransportSession is very similar to Http3Stream. It should
// be built on top of it with a couple of small changes. The docs will be added
// when this is implemented.
class Http3WebTransportSession final : public Http3StreamBase,
public nsAHttpSegmentWriter,
public nsAHttpSegmentReader {
public:
NS_DECL_NSAHTTPSEGMENTWRITER
NS_DECL_NSAHTTPSEGMENTREADER
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(Http3WebTransportSession, override)
Http3WebTransportSession(nsAHttpTransaction*, Http3Session*);
Http3WebTransportSession* GetHttp3WebTransportSession() override {
return this;
}
Http3WebTransportStream* GetHttp3WebTransportStream() override {
return nullptr;
}
Http3Stream* GetHttp3Stream() override { return nullptr; }
[[nodiscard]] nsresult ReadSegments() override;
[[nodiscard]] nsresult WriteSegments() override;
bool Done() const override { return mRecvState == RECV_DONE; }
void Close(nsresult aResult) override;
void SetResponseHeaders(nsTArray<uint8_t>& aResponseHeaders, bool fin,
bool interim) override;
void SetWebTransportSessionEventListener(
WebTransportSessionEventListener* listener) {
mListener = listener;
}
nsresult TryActivating();
void TransactionIsDone(nsresult aResult);
void CloseSession(uint32_t aStatus, nsACString& aReason);
void OnSessionClosed(uint32_t aStatus, nsACString& aReason);
void CreateOutgoingBidirectionalStream(
std::function<void(Result<RefPtr<Http3WebTransportStream>, nsresult>&&)>&&
aCallback);
void CreateOutgoingUnidirectionalStream(
std::function<void(Result<RefPtr<Http3WebTransportStream>, nsresult>&&)>&&
aCallback);
void RemoveWebTransportStream(Http3WebTransportStream* aStream);
already_AddRefed<Http3WebTransportStream> OnIncomingWebTransportStream(
WebTransportStreamType aType, uint64_t aId);
void SendDatagram(nsTArray<uint8_t>&& aData, uint64_t aTrackingId);
void OnDatagramReceived(nsTArray<uint8_t>&& aData);
void GetMaxDatagramSize();
void OnOutgoingDatagramOutCome(
uint64_t aId, WebTransportSessionEventListener::DatagramOutcome aOutCome);
private:
virtual ~Http3WebTransportSession();
bool ConsumeHeaders(const char* buf, uint32_t avail, uint32_t* countUsed);
void CreateStreamInternal(
bool aBidi,
std::function<void(Result<RefPtr<Http3WebTransportStream>, nsresult>&&)>&&
aCallback);
enum RecvStreamState {
BEFORE_HEADERS,
READING_HEADERS,
READING_INTERIM_HEADERS,
ACTIVE,
CLOSE_PENDING,
RECV_DONE
} mRecvState{BEFORE_HEADERS};
enum SendStreamState {
PREPARING_HEADERS,
WAITING_TO_ACTIVATE,
WAITING_DATAGRAM,
WRITING_DATAGRAM,
} mSendState{PREPARING_HEADERS};
nsCString mFlatHttpRequestHeaders;
nsTArray<uint8_t> mFlatResponseHeaders;
nsTArray<RefPtr<Http3WebTransportStream>> mStreams;
nsresult mSocketInCondition = NS_ERROR_NOT_INITIALIZED;
nsresult mSocketOutCondition = NS_ERROR_NOT_INITIALIZED;
RefPtr<WebTransportSessionEventListener> mListener;
uint32_t mStatus{0};
nsCString mReason;
};
} // namespace mozilla::net
#endif // mozilla_net_Http3WebTransportSession_h
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