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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/pc/webrtc_session_description_factory.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/pc/webrtc_session_description_factory.h')
-rw-r--r-- | third_party/libwebrtc/pc/webrtc_session_description_factory.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/third_party/libwebrtc/pc/webrtc_session_description_factory.h b/third_party/libwebrtc/pc/webrtc_session_description_factory.h new file mode 100644 index 0000000000..22ead41d9b --- /dev/null +++ b/third_party/libwebrtc/pc/webrtc_session_description_factory.h @@ -0,0 +1,151 @@ +/* + * Copyright 2013 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_WEBRTC_SESSION_DESCRIPTION_FACTORY_H_ +#define PC_WEBRTC_SESSION_DESCRIPTION_FACTORY_H_ + +#include <stdint.h> + +#include <functional> +#include <memory> +#include <queue> +#include <string> + +#include "absl/functional/any_invocable.h" +#include "api/jsep.h" +#include "api/peer_connection_interface.h" +#include "api/scoped_refptr.h" +#include "api/task_queue/task_queue_base.h" +#include "p2p/base/transport_description.h" +#include "p2p/base/transport_description_factory.h" +#include "pc/media_session.h" +#include "pc/sdp_state_provider.h" +#include "rtc_base/rtc_certificate.h" +#include "rtc_base/rtc_certificate_generator.h" +#include "rtc_base/unique_id_generator.h" +#include "rtc_base/weak_ptr.h" + +namespace webrtc { +// This class is used to create offer/answer session description. Certificates +// for WebRtcSession/DTLS are either supplied at construction or generated +// asynchronously. It queues the create offer/answer request until the +// certificate generation has completed, i.e. when OnCertificateRequestFailed or +// OnCertificateReady is called. +class WebRtcSessionDescriptionFactory { + public: + // Can specify either a `cert_generator` or `certificate` to enable DTLS. If + // a certificate generator is given, starts generating the certificate + // asynchronously. If a certificate is given, will use that for identifying + // over DTLS. If neither is specified, DTLS is disabled. + WebRtcSessionDescriptionFactory( + ConnectionContext* context, + const SdpStateProvider* sdp_info, + const std::string& session_id, + bool dtls_enabled, + std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator, + rtc::scoped_refptr<rtc::RTCCertificate> certificate, + std::function<void(const rtc::scoped_refptr<rtc::RTCCertificate>&)> + on_certificate_ready, + const FieldTrialsView& field_trials); + ~WebRtcSessionDescriptionFactory(); + + WebRtcSessionDescriptionFactory(const WebRtcSessionDescriptionFactory&) = + delete; + WebRtcSessionDescriptionFactory& operator=( + const WebRtcSessionDescriptionFactory&) = delete; + + static void CopyCandidatesFromSessionDescription( + const SessionDescriptionInterface* source_desc, + const std::string& content_name, + SessionDescriptionInterface* dest_desc); + + void CreateOffer( + CreateSessionDescriptionObserver* observer, + const PeerConnectionInterface::RTCOfferAnswerOptions& options, + const cricket::MediaSessionOptions& session_options); + void CreateAnswer(CreateSessionDescriptionObserver* observer, + const cricket::MediaSessionOptions& session_options); + + void SetSdesPolicy(cricket::SecurePolicy secure_policy); + cricket::SecurePolicy SdesPolicy() const; + + void set_enable_encrypted_rtp_header_extensions(bool enable) { + session_desc_factory_.set_enable_encrypted_rtp_header_extensions(enable); + } + + void set_is_unified_plan(bool is_unified_plan) { + session_desc_factory_.set_is_unified_plan(is_unified_plan); + } + + // For testing. + bool waiting_for_certificate_for_testing() const { + return certificate_request_state_ == CERTIFICATE_WAITING; + } + + private: + enum CertificateRequestState { + CERTIFICATE_NOT_NEEDED, + CERTIFICATE_WAITING, + CERTIFICATE_SUCCEEDED, + CERTIFICATE_FAILED, + }; + + struct CreateSessionDescriptionRequest { + enum Type { + kOffer, + kAnswer, + }; + + CreateSessionDescriptionRequest(Type type, + CreateSessionDescriptionObserver* observer, + const cricket::MediaSessionOptions& options) + : type(type), observer(observer), options(options) {} + + Type type; + rtc::scoped_refptr<CreateSessionDescriptionObserver> observer; + cricket::MediaSessionOptions options; + }; + + void InternalCreateOffer(CreateSessionDescriptionRequest request); + void InternalCreateAnswer(CreateSessionDescriptionRequest request); + // Posts failure notifications for all pending session description requests. + void FailPendingRequests(const std::string& reason); + void PostCreateSessionDescriptionFailed( + CreateSessionDescriptionObserver* observer, + RTCError error); + void PostCreateSessionDescriptionSucceeded( + CreateSessionDescriptionObserver* observer, + std::unique_ptr<SessionDescriptionInterface> description); + // Posts `callback` to `signaling_thread_`, and ensures it will be called no + // later than in the destructor. + void Post(absl::AnyInvocable<void() &&> callback); + + void OnCertificateRequestFailed(); + void SetCertificate(rtc::scoped_refptr<rtc::RTCCertificate> certificate); + + std::queue<CreateSessionDescriptionRequest> + create_session_description_requests_; + TaskQueueBase* const signaling_thread_; + cricket::TransportDescriptionFactory transport_desc_factory_; + cricket::MediaSessionDescriptionFactory session_desc_factory_; + uint64_t session_version_; + const std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator_; + const SdpStateProvider* sdp_info_; + const std::string session_id_; + CertificateRequestState certificate_request_state_; + std::queue<absl::AnyInvocable<void() &&>> callbacks_; + + std::function<void(const rtc::scoped_refptr<rtc::RTCCertificate>&)> + on_certificate_ready_; + rtc::WeakPtrFactory<WebRtcSessionDescriptionFactory> weak_factory_{this}; +}; +} // namespace webrtc + +#endif // PC_WEBRTC_SESSION_DESCRIPTION_FACTORY_H_ |