chromium/third_party/webrtc/pc/webrtc_session_description_factory.cc

/*
 *  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.
 */

#include "pc/webrtc_session_description_factory.h"

#include <stddef.h>

#include <queue>
#include <string>
#include <type_traits>
#include <utility>
#include <vector>

#include "absl/algorithm/container.h"
#include "absl/types/optional.h"
#include "api/jsep.h"
#include "api/jsep_session_description.h"
#include "api/rtc_error.h"
#include "api/sequence_checker.h"
#include "pc/connection_context.h"
#include "pc/sdp_state_provider.h"
#include "pc/session_description.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
#include "rtc_base/ssl_identity.h"
#include "rtc_base/ssl_stream_adapter.h"
#include "rtc_base/string_encode.h"
#include "rtc_base/unique_id_generator.h"

MediaSessionOptions;
UniqueRandomIdGenerator;

namespace webrtc {
namespace {
static const char kFailedDueToIdentityFailed[] = …;
static const char kFailedDueToSessionShutdown[] = …;

static const uint64_t kInitSessionVersion = …;

// Check that each sender has a unique ID.
static bool ValidMediaSessionOptions(
    const cricket::MediaSessionOptions& session_options) { … }
}  // namespace

// static
void WebRtcSessionDescriptionFactory::CopyCandidatesFromSessionDescription(
    const SessionDescriptionInterface* source_desc,
    const std::string& content_name,
    SessionDescriptionInterface* dest_desc) { … }

WebRtcSessionDescriptionFactory::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() { … }

void WebRtcSessionDescriptionFactory::CreateOffer(
    CreateSessionDescriptionObserver* observer,
    const PeerConnectionInterface::RTCOfferAnswerOptions& options,
    const cricket::MediaSessionOptions& session_options) { … }

void WebRtcSessionDescriptionFactory::CreateAnswer(
    CreateSessionDescriptionObserver* observer,
    const cricket::MediaSessionOptions& session_options) { … }

void WebRtcSessionDescriptionFactory::InternalCreateOffer(
    CreateSessionDescriptionRequest request) { … }

void WebRtcSessionDescriptionFactory::InternalCreateAnswer(
    CreateSessionDescriptionRequest request) { … }

void WebRtcSessionDescriptionFactory::FailPendingRequests(
    const std::string& reason) { … }

void WebRtcSessionDescriptionFactory::PostCreateSessionDescriptionFailed(
    CreateSessionDescriptionObserver* observer,
    RTCError error) { … }

void WebRtcSessionDescriptionFactory::PostCreateSessionDescriptionSucceeded(
    CreateSessionDescriptionObserver* observer,
    std::unique_ptr<SessionDescriptionInterface> description) { … }

void WebRtcSessionDescriptionFactory::Post(
    absl::AnyInvocable<void() &&> callback) { … }

void WebRtcSessionDescriptionFactory::OnCertificateRequestFailed() { … }

void WebRtcSessionDescriptionFactory::SetCertificate(
    rtc::scoped_refptr<rtc::RTCCertificate> certificate) { … }

}  // namespace webrtc