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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/pc/sctp_transport.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/pc/sctp_transport.h')
-rw-r--r-- | third_party/libwebrtc/pc/sctp_transport.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/third_party/libwebrtc/pc/sctp_transport.h b/third_party/libwebrtc/pc/sctp_transport.h new file mode 100644 index 0000000000..35e7656100 --- /dev/null +++ b/third_party/libwebrtc/pc/sctp_transport.h @@ -0,0 +1,101 @@ +/* + * Copyright 2019 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef PC_SCTP_TRANSPORT_H_ +#define PC_SCTP_TRANSPORT_H_ + +#include <memory> + +#include "api/dtls_transport_interface.h" +#include "api/scoped_refptr.h" +#include "api/sctp_transport_interface.h" +#include "api/sequence_checker.h" +#include "api/transport/data_channel_transport_interface.h" +#include "media/sctp/sctp_transport_internal.h" +#include "p2p/base/dtls_transport_internal.h" +#include "pc/dtls_transport.h" +#include "rtc_base/checks.h" +#include "rtc_base/thread.h" +#include "rtc_base/thread_annotations.h" + +namespace webrtc { + +// This implementation wraps a cricket::SctpTransport, and takes +// ownership of it. +// This object must be constructed and updated on the networking thread, +// the same thread as the one the cricket::SctpTransportInternal object +// lives on. +class SctpTransport : public SctpTransportInterface, + public DataChannelTransportInterface { + public: + explicit SctpTransport( + std::unique_ptr<cricket::SctpTransportInternal> internal); + + // SctpTransportInterface + rtc::scoped_refptr<DtlsTransportInterface> dtls_transport() const override; + SctpTransportInformation Information() const override; + void RegisterObserver(SctpTransportObserverInterface* observer) override; + void UnregisterObserver() override; + + // DataChannelTransportInterface + RTCError OpenChannel(int channel_id) override; + RTCError SendData(int channel_id, + const SendDataParams& params, + const rtc::CopyOnWriteBuffer& buffer) override; + RTCError CloseChannel(int channel_id) override; + void SetDataSink(DataChannelSink* sink) override; + bool IsReadyToSend() const override; + + // Internal functions + void Clear(); + void SetDtlsTransport(rtc::scoped_refptr<DtlsTransport>); + // Initialize the cricket::SctpTransport. This can be called from + // the signaling thread. + void Start(int local_port, int remote_port, int max_message_size); + + // TODO(https://bugs.webrtc.org/10629): Move functions that need + // internal() to be functions on the webrtc::SctpTransport interface, + // and make the internal() function private. + cricket::SctpTransportInternal* internal() { + RTC_DCHECK_RUN_ON(owner_thread_); + return internal_sctp_transport_.get(); + } + + const cricket::SctpTransportInternal* internal() const { + RTC_DCHECK_RUN_ON(owner_thread_); + return internal_sctp_transport_.get(); + } + + protected: + ~SctpTransport() override; + + private: + void UpdateInformation(SctpTransportState state); + void OnInternalReadyToSendData(); + void OnAssociationChangeCommunicationUp(); + void OnInternalClosingProcedureStartedRemotely(int sid); + void OnInternalClosingProcedureComplete(int sid); + void OnDtlsStateChange(cricket::DtlsTransportInternal* transport, + DtlsTransportState state); + + // NOTE: `owner_thread_` is the thread that the SctpTransport object is + // constructed on. In the context of PeerConnection, it's the network thread. + rtc::Thread* const owner_thread_; + SctpTransportInformation info_ RTC_GUARDED_BY(owner_thread_); + std::unique_ptr<cricket::SctpTransportInternal> internal_sctp_transport_ + RTC_GUARDED_BY(owner_thread_); + SctpTransportObserverInterface* observer_ RTC_GUARDED_BY(owner_thread_) = + nullptr; + rtc::scoped_refptr<DtlsTransport> dtls_transport_ + RTC_GUARDED_BY(owner_thread_); +}; + +} // namespace webrtc +#endif // PC_SCTP_TRANSPORT_H_ |