Harald Alvestrand | f01bd6c | 2020-10-23 13:30:46 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020 The WebRTC project authors. All Rights Reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #ifndef PC_SDP_STATE_PROVIDER_H_ |
| 12 | #define PC_SDP_STATE_PROVIDER_H_ |
| 13 | |
| 14 | #include <string> |
| 15 | |
| 16 | #include "api/jsep.h" |
| 17 | #include "api/peer_connection_interface.h" |
| 18 | |
| 19 | namespace webrtc { |
| 20 | |
| 21 | // This interface provides access to the state of an SDP offer/answer |
| 22 | // negotiation. |
| 23 | // |
| 24 | // All the functions are const, so using this interface serves as |
| 25 | // assurance that the user is not modifying the state. |
| 26 | class SdpStateProvider { |
| 27 | public: |
| 28 | virtual ~SdpStateProvider() {} |
| 29 | |
| 30 | virtual PeerConnectionInterface::SignalingState signaling_state() const = 0; |
| 31 | |
| 32 | virtual const SessionDescriptionInterface* local_description() const = 0; |
| 33 | virtual const SessionDescriptionInterface* remote_description() const = 0; |
| 34 | virtual const SessionDescriptionInterface* current_local_description() |
| 35 | const = 0; |
| 36 | virtual const SessionDescriptionInterface* current_remote_description() |
| 37 | const = 0; |
| 38 | virtual const SessionDescriptionInterface* pending_local_description() |
| 39 | const = 0; |
| 40 | virtual const SessionDescriptionInterface* pending_remote_description() |
| 41 | const = 0; |
| 42 | |
| 43 | // Whether an ICE restart has been asked for. Used in CreateOffer. |
| 44 | virtual bool NeedsIceRestart(const std::string& content_name) const = 0; |
| 45 | // Whether an ICE restart was indicated in the remote offer. |
| 46 | // Used in CreateAnswer. |
| 47 | virtual bool IceRestartPending(const std::string& content_name) const = 0; |
Florent Castelli | 8037fc6 | 2024-08-29 13:00:40 | [diff] [blame] | 48 | virtual std::optional<rtc::SSLRole> GetDtlsRole( |
Harald Alvestrand | f01bd6c | 2020-10-23 13:30:46 | [diff] [blame] | 49 | const std::string& mid) const = 0; |
| 50 | }; |
| 51 | |
| 52 | } // namespace webrtc |
| 53 | |
| 54 | #endif // PC_SDP_STATE_PROVIDER_H_ |