740d726739
BUG=webrtc:367395350 Change-Id: I3fd1551f974705ce6b10e2c757f4d406a520a2c1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/370460 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Jonas Oreland <jonaso@webrtc.org> Commit-Queue: Philipp Hancke <phancke@meta.com> Cr-Commit-Position: refs/heads/main@{#43528}
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/*
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* Copyright 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef PC_DTLS_TRANSPORT_H_
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#define PC_DTLS_TRANSPORT_H_
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#include <memory>
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#include <utility>
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#include "api/dtls_transport_interface.h"
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#include "api/ice_transport_interface.h"
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#include "api/scoped_refptr.h"
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#include "api/sequence_checker.h"
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#include "p2p/dtls/dtls_transport_internal.h"
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#include "pc/ice_transport.h"
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#include "rtc_base/synchronization/mutex.h"
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#include "rtc_base/thread.h"
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#include "rtc_base/thread_annotations.h"
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namespace webrtc {
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class IceTransportWithPointer;
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// This implementation wraps a cricket::DtlsTransport, and takes
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// ownership of it.
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class DtlsTransport : public DtlsTransportInterface {
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public:
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// This object must be constructed and updated on a consistent thread,
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// the same thread as the one the cricket::DtlsTransportInternal object
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// lives on.
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// The Information() function can be called from a different thread,
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// such as the signalling thread.
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explicit DtlsTransport(
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std::unique_ptr<cricket::DtlsTransportInternal> internal);
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rtc::scoped_refptr<IceTransportInterface> ice_transport() override;
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// Currently called from the signaling thread and potentially Chromium's
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// JS thread.
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DtlsTransportInformation Information() override;
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void RegisterObserver(DtlsTransportObserverInterface* observer) override;
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void UnregisterObserver() override;
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void Clear();
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cricket::DtlsTransportInternal* internal() {
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RTC_DCHECK_RUN_ON(owner_thread_);
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return internal_dtls_transport_.get();
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}
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const cricket::DtlsTransportInternal* internal() const {
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RTC_DCHECK_RUN_ON(owner_thread_);
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return internal_dtls_transport_.get();
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}
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protected:
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~DtlsTransport();
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private:
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void OnInternalDtlsState(cricket::DtlsTransportInternal* transport,
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DtlsTransportState state);
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void UpdateInformation();
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// Called when changing `info_`. We only change the values from the
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// `owner_thread_` (a.k.a. the network thread).
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void set_info(DtlsTransportInformation&& info) RTC_RUN_ON(owner_thread_) {
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MutexLock lock(&lock_);
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info_ = std::move(info);
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}
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DtlsTransportObserverInterface* observer_ = nullptr;
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rtc::Thread* owner_thread_;
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mutable Mutex lock_;
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DtlsTransportInformation info_ RTC_GUARDED_BY(lock_);
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std::unique_ptr<cricket::DtlsTransportInternal> internal_dtls_transport_
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RTC_GUARDED_BY(owner_thread_);
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const rtc::scoped_refptr<IceTransportWithPointer> ice_transport_;
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};
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} // namespace webrtc
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#endif // PC_DTLS_TRANSPORT_H_
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