| Index: webrtc/api/webrtcsession.cc
|
| diff --git a/webrtc/api/webrtcsession.cc b/webrtc/api/webrtcsession.cc
|
| deleted file mode 100644
|
| index e98bcb0e7ae32529fdc7001bb72e91f5e32c4845..0000000000000000000000000000000000000000
|
| --- a/webrtc/api/webrtcsession.cc
|
| +++ /dev/null
|
| @@ -1,2434 +0,0 @@
|
| -/*
|
| - * Copyright 2012 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 "webrtc/api/webrtcsession.h"
|
| -
|
| -#include <limits.h>
|
| -
|
| -#include <algorithm>
|
| -#include <set>
|
| -#include <utility>
|
| -#include <vector>
|
| -
|
| -#include "webrtc/api/call/audio_sink.h"
|
| -#include "webrtc/api/jsepicecandidate.h"
|
| -#include "webrtc/api/jsepsessiondescription.h"
|
| -#include "webrtc/api/peerconnectioninterface.h"
|
| -#include "webrtc/api/sctputils.h"
|
| -#include "webrtc/api/webrtcsessiondescriptionfactory.h"
|
| -#include "webrtc/base/basictypes.h"
|
| -#include "webrtc/base/bind.h"
|
| -#include "webrtc/base/checks.h"
|
| -#include "webrtc/base/helpers.h"
|
| -#include "webrtc/base/logging.h"
|
| -#include "webrtc/base/stringencode.h"
|
| -#include "webrtc/base/stringutils.h"
|
| -#include "webrtc/call/call.h"
|
| -#include "webrtc/media/base/mediaconstants.h"
|
| -#include "webrtc/media/base/videocapturer.h"
|
| -#include "webrtc/media/sctp/sctptransportinternal.h"
|
| -#include "webrtc/p2p/base/portallocator.h"
|
| -#include "webrtc/pc/channel.h"
|
| -#include "webrtc/pc/channelmanager.h"
|
| -#include "webrtc/pc/mediasession.h"
|
| -
|
| -#ifdef HAVE_QUIC
|
| -#include "webrtc/p2p/quic/quictransportchannel.h"
|
| -#endif // HAVE_QUIC
|
| -
|
| -using cricket::ContentInfo;
|
| -using cricket::ContentInfos;
|
| -using cricket::MediaContentDescription;
|
| -using cricket::SessionDescription;
|
| -using cricket::TransportInfo;
|
| -
|
| -using cricket::LOCAL_PORT_TYPE;
|
| -using cricket::STUN_PORT_TYPE;
|
| -using cricket::RELAY_PORT_TYPE;
|
| -using cricket::PRFLX_PORT_TYPE;
|
| -
|
| -namespace webrtc {
|
| -
|
| -// Error messages
|
| -const char kBundleWithoutRtcpMux[] = "RTCP-MUX must be enabled when BUNDLE "
|
| - "is enabled.";
|
| -const char kCreateChannelFailed[] = "Failed to create channels.";
|
| -const char kInvalidCandidates[] = "Description contains invalid candidates.";
|
| -const char kInvalidSdp[] = "Invalid session description.";
|
| -const char kMlineMismatch[] =
|
| - "Offer and answer descriptions m-lines are not matching. Rejecting answer.";
|
| -const char kPushDownTDFailed[] =
|
| - "Failed to push down transport description:";
|
| -const char kSdpWithoutDtlsFingerprint[] =
|
| - "Called with SDP without DTLS fingerprint.";
|
| -const char kSdpWithoutSdesCrypto[] =
|
| - "Called with SDP without SDES crypto.";
|
| -const char kSdpWithoutIceUfragPwd[] =
|
| - "Called with SDP without ice-ufrag and ice-pwd.";
|
| -const char kSessionError[] = "Session error code: ";
|
| -const char kSessionErrorDesc[] = "Session error description: ";
|
| -const char kDtlsSrtpSetupFailureRtp[] =
|
| - "Couldn't set up DTLS-SRTP on RTP channel.";
|
| -const char kDtlsSrtpSetupFailureRtcp[] =
|
| - "Couldn't set up DTLS-SRTP on RTCP channel.";
|
| -const char kEnableBundleFailed[] = "Failed to enable BUNDLE.";
|
| -
|
| -IceCandidatePairType GetIceCandidatePairCounter(
|
| - const cricket::Candidate& local,
|
| - const cricket::Candidate& remote) {
|
| - const auto& l = local.type();
|
| - const auto& r = remote.type();
|
| - const auto& host = LOCAL_PORT_TYPE;
|
| - const auto& srflx = STUN_PORT_TYPE;
|
| - const auto& relay = RELAY_PORT_TYPE;
|
| - const auto& prflx = PRFLX_PORT_TYPE;
|
| - if (l == host && r == host) {
|
| - bool local_private = IPIsPrivate(local.address().ipaddr());
|
| - bool remote_private = IPIsPrivate(remote.address().ipaddr());
|
| - if (local_private) {
|
| - if (remote_private) {
|
| - return kIceCandidatePairHostPrivateHostPrivate;
|
| - } else {
|
| - return kIceCandidatePairHostPrivateHostPublic;
|
| - }
|
| - } else {
|
| - if (remote_private) {
|
| - return kIceCandidatePairHostPublicHostPrivate;
|
| - } else {
|
| - return kIceCandidatePairHostPublicHostPublic;
|
| - }
|
| - }
|
| - }
|
| - if (l == host && r == srflx)
|
| - return kIceCandidatePairHostSrflx;
|
| - if (l == host && r == relay)
|
| - return kIceCandidatePairHostRelay;
|
| - if (l == host && r == prflx)
|
| - return kIceCandidatePairHostPrflx;
|
| - if (l == srflx && r == host)
|
| - return kIceCandidatePairSrflxHost;
|
| - if (l == srflx && r == srflx)
|
| - return kIceCandidatePairSrflxSrflx;
|
| - if (l == srflx && r == relay)
|
| - return kIceCandidatePairSrflxRelay;
|
| - if (l == srflx && r == prflx)
|
| - return kIceCandidatePairSrflxPrflx;
|
| - if (l == relay && r == host)
|
| - return kIceCandidatePairRelayHost;
|
| - if (l == relay && r == srflx)
|
| - return kIceCandidatePairRelaySrflx;
|
| - if (l == relay && r == relay)
|
| - return kIceCandidatePairRelayRelay;
|
| - if (l == relay && r == prflx)
|
| - return kIceCandidatePairRelayPrflx;
|
| - if (l == prflx && r == host)
|
| - return kIceCandidatePairPrflxHost;
|
| - if (l == prflx && r == srflx)
|
| - return kIceCandidatePairPrflxSrflx;
|
| - if (l == prflx && r == relay)
|
| - return kIceCandidatePairPrflxRelay;
|
| - return kIceCandidatePairMax;
|
| -}
|
| -
|
| -// Compares |answer| against |offer|. Comparision is done
|
| -// for number of m-lines in answer against offer. If matches true will be
|
| -// returned otherwise false.
|
| -static bool VerifyMediaDescriptions(
|
| - const SessionDescription* answer, const SessionDescription* offer) {
|
| - if (offer->contents().size() != answer->contents().size())
|
| - return false;
|
| -
|
| - for (size_t i = 0; i < offer->contents().size(); ++i) {
|
| - if ((offer->contents()[i].name) != answer->contents()[i].name) {
|
| - return false;
|
| - }
|
| - const MediaContentDescription* offer_mdesc =
|
| - static_cast<const MediaContentDescription*>(
|
| - offer->contents()[i].description);
|
| - const MediaContentDescription* answer_mdesc =
|
| - static_cast<const MediaContentDescription*>(
|
| - answer->contents()[i].description);
|
| - if (offer_mdesc->type() != answer_mdesc->type()) {
|
| - return false;
|
| - }
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -// Checks that each non-rejected content has SDES crypto keys or a DTLS
|
| -// fingerprint. Mismatches, such as replying with a DTLS fingerprint to SDES
|
| -// keys, will be caught in Transport negotiation, and backstopped by Channel's
|
| -// |srtp_required| check.
|
| -static bool VerifyCrypto(const SessionDescription* desc,
|
| - bool dtls_enabled,
|
| - std::string* error) {
|
| - const ContentInfos& contents = desc->contents();
|
| - for (size_t index = 0; index < contents.size(); ++index) {
|
| - const ContentInfo* cinfo = &contents[index];
|
| - if (cinfo->rejected) {
|
| - continue;
|
| - }
|
| -
|
| - // If the content isn't rejected, crypto must be present.
|
| - const MediaContentDescription* media =
|
| - static_cast<const MediaContentDescription*>(cinfo->description);
|
| - const TransportInfo* tinfo = desc->GetTransportInfoByName(cinfo->name);
|
| - if (!media || !tinfo) {
|
| - // Something is not right.
|
| - LOG(LS_ERROR) << kInvalidSdp;
|
| - *error = kInvalidSdp;
|
| - return false;
|
| - }
|
| - if (dtls_enabled) {
|
| - if (!tinfo->description.identity_fingerprint) {
|
| - LOG(LS_WARNING) <<
|
| - "Session description must have DTLS fingerprint if DTLS enabled.";
|
| - *error = kSdpWithoutDtlsFingerprint;
|
| - return false;
|
| - }
|
| - } else {
|
| - if (media->cryptos().empty()) {
|
| - LOG(LS_WARNING) <<
|
| - "Session description must have SDES when DTLS disabled.";
|
| - *error = kSdpWithoutSdesCrypto;
|
| - return false;
|
| - }
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -// Checks that each non-rejected content has ice-ufrag and ice-pwd set.
|
| -static bool VerifyIceUfragPwdPresent(const SessionDescription* desc) {
|
| - const ContentInfos& contents = desc->contents();
|
| - for (size_t index = 0; index < contents.size(); ++index) {
|
| - const ContentInfo* cinfo = &contents[index];
|
| - if (cinfo->rejected) {
|
| - continue;
|
| - }
|
| -
|
| - // If the content isn't rejected, ice-ufrag and ice-pwd must be present.
|
| - const TransportInfo* tinfo = desc->GetTransportInfoByName(cinfo->name);
|
| - if (!tinfo) {
|
| - // Something is not right.
|
| - LOG(LS_ERROR) << kInvalidSdp;
|
| - return false;
|
| - }
|
| - if (tinfo->description.ice_ufrag.empty() ||
|
| - tinfo->description.ice_pwd.empty()) {
|
| - LOG(LS_ERROR) << "Session description must have ice ufrag and pwd.";
|
| - return false;
|
| - }
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -static bool GetAudioSsrcByTrackId(const SessionDescription* session_description,
|
| - const std::string& track_id,
|
| - uint32_t* ssrc) {
|
| - const cricket::ContentInfo* audio_info =
|
| - cricket::GetFirstAudioContent(session_description);
|
| - if (!audio_info) {
|
| - LOG(LS_ERROR) << "Audio not used in this call";
|
| - return false;
|
| - }
|
| -
|
| - const cricket::MediaContentDescription* audio_content =
|
| - static_cast<const cricket::MediaContentDescription*>(
|
| - audio_info->description);
|
| - const cricket::StreamParams* stream =
|
| - cricket::GetStreamByIds(audio_content->streams(), "", track_id);
|
| - if (!stream) {
|
| - return false;
|
| - }
|
| -
|
| - *ssrc = stream->first_ssrc();
|
| - return true;
|
| -}
|
| -
|
| -static bool GetTrackIdBySsrc(const SessionDescription* session_description,
|
| - uint32_t ssrc,
|
| - std::string* track_id) {
|
| - RTC_DCHECK(track_id != NULL);
|
| -
|
| - const cricket::ContentInfo* audio_info =
|
| - cricket::GetFirstAudioContent(session_description);
|
| - if (audio_info) {
|
| - const cricket::MediaContentDescription* audio_content =
|
| - static_cast<const cricket::MediaContentDescription*>(
|
| - audio_info->description);
|
| -
|
| - const auto* found =
|
| - cricket::GetStreamBySsrc(audio_content->streams(), ssrc);
|
| - if (found) {
|
| - *track_id = found->id;
|
| - return true;
|
| - }
|
| - }
|
| -
|
| - const cricket::ContentInfo* video_info =
|
| - cricket::GetFirstVideoContent(session_description);
|
| - if (video_info) {
|
| - const cricket::MediaContentDescription* video_content =
|
| - static_cast<const cricket::MediaContentDescription*>(
|
| - video_info->description);
|
| -
|
| - const auto* found =
|
| - cricket::GetStreamBySsrc(video_content->streams(), ssrc);
|
| - if (found) {
|
| - *track_id = found->id;
|
| - return true;
|
| - }
|
| - }
|
| - return false;
|
| -}
|
| -
|
| -// Get the SCTP port out of a SessionDescription.
|
| -// Return -1 if not found.
|
| -static int GetSctpPort(const SessionDescription* session_description) {
|
| - const ContentInfo* content_info = GetFirstDataContent(session_description);
|
| - RTC_DCHECK(content_info);
|
| - if (!content_info) {
|
| - return -1;
|
| - }
|
| - const cricket::DataContentDescription* data =
|
| - static_cast<const cricket::DataContentDescription*>(
|
| - (content_info->description));
|
| - std::string value;
|
| - cricket::DataCodec match_pattern(cricket::kGoogleSctpDataCodecPlType,
|
| - cricket::kGoogleSctpDataCodecName);
|
| - for (const cricket::DataCodec& codec : data->codecs()) {
|
| - if (!codec.Matches(match_pattern)) {
|
| - continue;
|
| - }
|
| - if (codec.GetParam(cricket::kCodecParamPort, &value)) {
|
| - return rtc::FromString<int>(value);
|
| - }
|
| - }
|
| - return -1;
|
| -}
|
| -
|
| -static bool BadSdp(const std::string& source,
|
| - const std::string& type,
|
| - const std::string& reason,
|
| - std::string* err_desc) {
|
| - std::ostringstream desc;
|
| - desc << "Failed to set " << source;
|
| - if (!type.empty()) {
|
| - desc << " " << type;
|
| - }
|
| - desc << " sdp: " << reason;
|
| -
|
| - if (err_desc) {
|
| - *err_desc = desc.str();
|
| - }
|
| - LOG(LS_ERROR) << desc.str();
|
| - return false;
|
| -}
|
| -
|
| -static bool BadSdp(cricket::ContentSource source,
|
| - const std::string& type,
|
| - const std::string& reason,
|
| - std::string* err_desc) {
|
| - if (source == cricket::CS_LOCAL) {
|
| - return BadSdp("local", type, reason, err_desc);
|
| - } else {
|
| - return BadSdp("remote", type, reason, err_desc);
|
| - }
|
| -}
|
| -
|
| -static bool BadLocalSdp(const std::string& type,
|
| - const std::string& reason,
|
| - std::string* err_desc) {
|
| - return BadSdp(cricket::CS_LOCAL, type, reason, err_desc);
|
| -}
|
| -
|
| -static bool BadRemoteSdp(const std::string& type,
|
| - const std::string& reason,
|
| - std::string* err_desc) {
|
| - return BadSdp(cricket::CS_REMOTE, type, reason, err_desc);
|
| -}
|
| -
|
| -static bool BadOfferSdp(cricket::ContentSource source,
|
| - const std::string& reason,
|
| - std::string* err_desc) {
|
| - return BadSdp(source, SessionDescriptionInterface::kOffer, reason, err_desc);
|
| -}
|
| -
|
| -static bool BadPranswerSdp(cricket::ContentSource source,
|
| - const std::string& reason,
|
| - std::string* err_desc) {
|
| - return BadSdp(source, SessionDescriptionInterface::kPrAnswer,
|
| - reason, err_desc);
|
| -}
|
| -
|
| -static bool BadAnswerSdp(cricket::ContentSource source,
|
| - const std::string& reason,
|
| - std::string* err_desc) {
|
| - return BadSdp(source, SessionDescriptionInterface::kAnswer, reason, err_desc);
|
| -}
|
| -
|
| -#define GET_STRING_OF_STATE(state) \
|
| - case webrtc::WebRtcSession::state: \
|
| - result = #state; \
|
| - break;
|
| -
|
| -static std::string GetStateString(webrtc::WebRtcSession::State state) {
|
| - std::string result;
|
| - switch (state) {
|
| - GET_STRING_OF_STATE(STATE_INIT)
|
| - GET_STRING_OF_STATE(STATE_SENTOFFER)
|
| - GET_STRING_OF_STATE(STATE_RECEIVEDOFFER)
|
| - GET_STRING_OF_STATE(STATE_SENTPRANSWER)
|
| - GET_STRING_OF_STATE(STATE_RECEIVEDPRANSWER)
|
| - GET_STRING_OF_STATE(STATE_INPROGRESS)
|
| - GET_STRING_OF_STATE(STATE_CLOSED)
|
| - default:
|
| - RTC_NOTREACHED();
|
| - break;
|
| - }
|
| - return result;
|
| -}
|
| -
|
| -#define GET_STRING_OF_ERROR_CODE(err) \
|
| - case webrtc::WebRtcSession::err: \
|
| - result = #err; \
|
| - break;
|
| -
|
| -static std::string GetErrorCodeString(webrtc::WebRtcSession::Error err) {
|
| - std::string result;
|
| - switch (err) {
|
| - GET_STRING_OF_ERROR_CODE(ERROR_NONE)
|
| - GET_STRING_OF_ERROR_CODE(ERROR_CONTENT)
|
| - GET_STRING_OF_ERROR_CODE(ERROR_TRANSPORT)
|
| - default:
|
| - RTC_NOTREACHED();
|
| - break;
|
| - }
|
| - return result;
|
| -}
|
| -
|
| -static std::string MakeErrorString(const std::string& error,
|
| - const std::string& desc) {
|
| - std::ostringstream ret;
|
| - ret << error << " " << desc;
|
| - return ret.str();
|
| -}
|
| -
|
| -static std::string MakeTdErrorString(const std::string& desc) {
|
| - return MakeErrorString(kPushDownTDFailed, desc);
|
| -}
|
| -
|
| -// Returns true if |new_desc| requests an ICE restart (i.e., new ufrag/pwd).
|
| -bool CheckForRemoteIceRestart(const SessionDescriptionInterface* old_desc,
|
| - const SessionDescriptionInterface* new_desc,
|
| - const std::string& content_name) {
|
| - if (!old_desc) {
|
| - return false;
|
| - }
|
| - const SessionDescription* new_sd = new_desc->description();
|
| - const SessionDescription* old_sd = old_desc->description();
|
| - const ContentInfo* cinfo = new_sd->GetContentByName(content_name);
|
| - if (!cinfo || cinfo->rejected) {
|
| - return false;
|
| - }
|
| - // If the content isn't rejected, check if ufrag and password has changed.
|
| - const cricket::TransportDescription* new_transport_desc =
|
| - new_sd->GetTransportDescriptionByName(content_name);
|
| - const cricket::TransportDescription* old_transport_desc =
|
| - old_sd->GetTransportDescriptionByName(content_name);
|
| - if (!new_transport_desc || !old_transport_desc) {
|
| - // No transport description exists. This is not an ICE restart.
|
| - return false;
|
| - }
|
| - if (cricket::IceCredentialsChanged(
|
| - old_transport_desc->ice_ufrag, old_transport_desc->ice_pwd,
|
| - new_transport_desc->ice_ufrag, new_transport_desc->ice_pwd)) {
|
| - LOG(LS_INFO) << "Remote peer requests ICE restart for " << content_name
|
| - << ".";
|
| - return true;
|
| - }
|
| - return false;
|
| -}
|
| -
|
| -WebRtcSession::WebRtcSession(
|
| - webrtc::MediaControllerInterface* media_controller,
|
| - rtc::Thread* network_thread,
|
| - rtc::Thread* worker_thread,
|
| - rtc::Thread* signaling_thread,
|
| - cricket::PortAllocator* port_allocator,
|
| - std::unique_ptr<cricket::TransportController> transport_controller,
|
| - std::unique_ptr<cricket::SctpTransportInternalFactory> sctp_factory)
|
| - : network_thread_(network_thread),
|
| - worker_thread_(worker_thread),
|
| - signaling_thread_(signaling_thread),
|
| - // RFC 3264: The numeric value of the session id and version in the
|
| - // o line MUST be representable with a "64 bit signed integer".
|
| - // Due to this constraint session id |sid_| is max limited to LLONG_MAX.
|
| - sid_(rtc::ToString(rtc::CreateRandomId64() & LLONG_MAX)),
|
| - transport_controller_(std::move(transport_controller)),
|
| - sctp_factory_(std::move(sctp_factory)),
|
| - media_controller_(media_controller),
|
| - channel_manager_(media_controller_->channel_manager()),
|
| - ice_observer_(NULL),
|
| - ice_connection_state_(PeerConnectionInterface::kIceConnectionNew),
|
| - ice_connection_receiving_(true),
|
| - older_version_remote_peer_(false),
|
| - dtls_enabled_(false),
|
| - data_channel_type_(cricket::DCT_NONE),
|
| - metrics_observer_(NULL) {
|
| - transport_controller_->SetIceRole(cricket::ICEROLE_CONTROLLED);
|
| - transport_controller_->SignalConnectionState.connect(
|
| - this, &WebRtcSession::OnTransportControllerConnectionState);
|
| - transport_controller_->SignalReceiving.connect(
|
| - this, &WebRtcSession::OnTransportControllerReceiving);
|
| - transport_controller_->SignalGatheringState.connect(
|
| - this, &WebRtcSession::OnTransportControllerGatheringState);
|
| - transport_controller_->SignalCandidatesGathered.connect(
|
| - this, &WebRtcSession::OnTransportControllerCandidatesGathered);
|
| - transport_controller_->SignalCandidatesRemoved.connect(
|
| - this, &WebRtcSession::OnTransportControllerCandidatesRemoved);
|
| - transport_controller_->SignalDtlsHandshakeError.connect(
|
| - this, &WebRtcSession::OnTransportControllerDtlsHandshakeError);
|
| -}
|
| -
|
| -WebRtcSession::~WebRtcSession() {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| - // Destroy video_channel_ first since it may have a pointer to the
|
| - // voice_channel_.
|
| - if (video_channel_) {
|
| - DestroyVideoChannel();
|
| - }
|
| - if (voice_channel_) {
|
| - DestroyVoiceChannel();
|
| - }
|
| - if (rtp_data_channel_) {
|
| - DestroyDataChannel();
|
| - }
|
| - if (sctp_transport_) {
|
| - SignalDataChannelDestroyed();
|
| - network_thread_->Invoke<void>(
|
| - RTC_FROM_HERE, rtc::Bind(&WebRtcSession::DestroySctpTransport_n, this));
|
| - }
|
| -#ifdef HAVE_QUIC
|
| - if (quic_data_transport_) {
|
| - quic_data_transport_.reset();
|
| - }
|
| -#endif
|
| - SignalDestroyed();
|
| -
|
| - LOG(LS_INFO) << "Session: " << id() << " is destroyed.";
|
| -}
|
| -
|
| -bool WebRtcSession::Initialize(
|
| - const PeerConnectionFactoryInterface::Options& options,
|
| - std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator,
|
| - const PeerConnectionInterface::RTCConfiguration& rtc_configuration) {
|
| - bundle_policy_ = rtc_configuration.bundle_policy;
|
| - rtcp_mux_policy_ = rtc_configuration.rtcp_mux_policy;
|
| - transport_controller_->SetSslMaxProtocolVersion(options.ssl_max_version);
|
| -
|
| - // Obtain a certificate from RTCConfiguration if any were provided (optional).
|
| - rtc::scoped_refptr<rtc::RTCCertificate> certificate;
|
| - if (!rtc_configuration.certificates.empty()) {
|
| - // TODO(hbos,torbjorng): Decide on certificate-selection strategy instead of
|
| - // just picking the first one. The decision should be made based on the DTLS
|
| - // handshake. The DTLS negotiations need to know about all certificates.
|
| - certificate = rtc_configuration.certificates[0];
|
| - }
|
| -
|
| - SetIceConfig(ParseIceConfig(rtc_configuration));
|
| -
|
| - if (options.disable_encryption) {
|
| - dtls_enabled_ = false;
|
| - } else {
|
| - // Enable DTLS by default if we have an identity store or a certificate.
|
| - dtls_enabled_ = (cert_generator || certificate);
|
| - // |rtc_configuration| can override the default |dtls_enabled_| value.
|
| - if (rtc_configuration.enable_dtls_srtp) {
|
| - dtls_enabled_ = *(rtc_configuration.enable_dtls_srtp);
|
| - }
|
| - }
|
| -
|
| - // Enable creation of RTP data channels if the kEnableRtpDataChannels is set.
|
| - // It takes precendence over the disable_sctp_data_channels
|
| - // PeerConnectionFactoryInterface::Options.
|
| - if (rtc_configuration.enable_rtp_data_channel) {
|
| - data_channel_type_ = cricket::DCT_RTP;
|
| - }
|
| -#ifdef HAVE_QUIC
|
| - else if (rtc_configuration.enable_quic) {
|
| - // Use QUIC instead of DTLS when |enable_quic| is true.
|
| - data_channel_type_ = cricket::DCT_QUIC;
|
| - transport_controller_->use_quic();
|
| - if (dtls_enabled_) {
|
| - LOG(LS_INFO) << "Using QUIC instead of DTLS";
|
| - }
|
| - quic_data_transport_.reset(
|
| - new QuicDataTransport(signaling_thread(), worker_thread(),
|
| - network_thread(), transport_controller_.get()));
|
| - }
|
| -#endif // HAVE_QUIC
|
| - else {
|
| - // DTLS has to be enabled to use SCTP.
|
| - if (!options.disable_sctp_data_channels && dtls_enabled_) {
|
| - data_channel_type_ = cricket::DCT_SCTP;
|
| - }
|
| - }
|
| -
|
| - video_options_.screencast_min_bitrate_kbps =
|
| - rtc_configuration.screencast_min_bitrate;
|
| - audio_options_.combined_audio_video_bwe =
|
| - rtc_configuration.combined_audio_video_bwe;
|
| -
|
| - audio_options_.audio_jitter_buffer_max_packets =
|
| - rtc::Optional<int>(rtc_configuration.audio_jitter_buffer_max_packets);
|
| -
|
| - audio_options_.audio_jitter_buffer_fast_accelerate = rtc::Optional<bool>(
|
| - rtc_configuration.audio_jitter_buffer_fast_accelerate);
|
| -
|
| - if (!dtls_enabled_) {
|
| - // Construct with DTLS disabled.
|
| - webrtc_session_desc_factory_.reset(new WebRtcSessionDescriptionFactory(
|
| - signaling_thread(), channel_manager_, this, id(),
|
| - std::unique_ptr<rtc::RTCCertificateGeneratorInterface>()));
|
| - } else {
|
| - // Construct with DTLS enabled.
|
| - if (!certificate) {
|
| - webrtc_session_desc_factory_.reset(new WebRtcSessionDescriptionFactory(
|
| - signaling_thread(), channel_manager_, this, id(),
|
| - std::move(cert_generator)));
|
| - } else {
|
| - // Use the already generated certificate.
|
| - webrtc_session_desc_factory_.reset(new WebRtcSessionDescriptionFactory(
|
| - signaling_thread(), channel_manager_, this, id(), certificate));
|
| - }
|
| - }
|
| -
|
| - webrtc_session_desc_factory_->SignalCertificateReady.connect(
|
| - this, &WebRtcSession::OnCertificateReady);
|
| -
|
| - if (options.disable_encryption) {
|
| - webrtc_session_desc_factory_->SetSdesPolicy(cricket::SEC_DISABLED);
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -void WebRtcSession::Close() {
|
| - SetState(STATE_CLOSED);
|
| - RemoveUnusedChannels(nullptr);
|
| - RTC_DCHECK(!voice_channel_);
|
| - RTC_DCHECK(!video_channel_);
|
| - RTC_DCHECK(!rtp_data_channel_);
|
| - RTC_DCHECK(!sctp_transport_);
|
| - media_controller_->Close();
|
| -}
|
| -
|
| -cricket::BaseChannel* WebRtcSession::GetChannel(
|
| - const std::string& content_name) {
|
| - if (voice_channel() && voice_channel()->content_name() == content_name) {
|
| - return voice_channel();
|
| - }
|
| - if (video_channel() && video_channel()->content_name() == content_name) {
|
| - return video_channel();
|
| - }
|
| - if (rtp_data_channel() &&
|
| - rtp_data_channel()->content_name() == content_name) {
|
| - return rtp_data_channel();
|
| - }
|
| - return nullptr;
|
| -}
|
| -
|
| -cricket::SecurePolicy WebRtcSession::SdesPolicy() const {
|
| - return webrtc_session_desc_factory_->SdesPolicy();
|
| -}
|
| -
|
| -bool WebRtcSession::GetSctpSslRole(rtc::SSLRole* role) {
|
| - if (!local_description() || !remote_description()) {
|
| - LOG(LS_INFO) << "Local and Remote descriptions must be applied to get the "
|
| - << "SSL Role of the SCTP transport.";
|
| - return false;
|
| - }
|
| - if (!sctp_transport_) {
|
| - LOG(LS_INFO) << "Non-rejected SCTP m= section is needed to get the "
|
| - << "SSL Role of the SCTP transport.";
|
| - return false;
|
| - }
|
| -
|
| - return transport_controller_->GetSslRole(*sctp_transport_name_, role);
|
| -}
|
| -
|
| -bool WebRtcSession::GetSslRole(const std::string& content_name,
|
| - rtc::SSLRole* role) {
|
| - if (!local_description() || !remote_description()) {
|
| - LOG(LS_INFO) << "Local and Remote descriptions must be applied to get the "
|
| - << "SSL Role of the session.";
|
| - return false;
|
| - }
|
| -
|
| - return transport_controller_->GetSslRole(GetTransportName(content_name),
|
| - role);
|
| -}
|
| -
|
| -void WebRtcSession::CreateOffer(
|
| - CreateSessionDescriptionObserver* observer,
|
| - const PeerConnectionInterface::RTCOfferAnswerOptions& options,
|
| - const cricket::MediaSessionOptions& session_options) {
|
| - webrtc_session_desc_factory_->CreateOffer(observer, options, session_options);
|
| -}
|
| -
|
| -void WebRtcSession::CreateAnswer(
|
| - CreateSessionDescriptionObserver* observer,
|
| - const cricket::MediaSessionOptions& session_options) {
|
| - webrtc_session_desc_factory_->CreateAnswer(observer, session_options);
|
| -}
|
| -
|
| -bool WebRtcSession::SetLocalDescription(SessionDescriptionInterface* desc,
|
| - std::string* err_desc) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| -
|
| - // Takes the ownership of |desc| regardless of the result.
|
| - std::unique_ptr<SessionDescriptionInterface> desc_temp(desc);
|
| -
|
| - // Validate SDP.
|
| - if (!ValidateSessionDescription(desc, cricket::CS_LOCAL, err_desc)) {
|
| - return false;
|
| - }
|
| -
|
| - // Update the initial_offerer flag if this session is the initial_offerer.
|
| - Action action = GetAction(desc->type());
|
| - if (state() == STATE_INIT && action == kOffer) {
|
| - initial_offerer_ = true;
|
| - transport_controller_->SetIceRole(cricket::ICEROLE_CONTROLLING);
|
| - }
|
| -
|
| - if (action == kAnswer) {
|
| - current_local_description_.reset(desc_temp.release());
|
| - pending_local_description_.reset(nullptr);
|
| - current_remote_description_.reset(pending_remote_description_.release());
|
| - } else {
|
| - pending_local_description_.reset(desc_temp.release());
|
| - }
|
| -
|
| - // Transport and Media channels will be created only when offer is set.
|
| - if (action == kOffer && !CreateChannels(local_description()->description())) {
|
| - // TODO(mallinath) - Handle CreateChannel failure, as new local description
|
| - // is applied. Restore back to old description.
|
| - return BadLocalSdp(desc->type(), kCreateChannelFailed, err_desc);
|
| - }
|
| -
|
| - // Remove unused channels if MediaContentDescription is rejected.
|
| - RemoveUnusedChannels(local_description()->description());
|
| -
|
| - if (!UpdateSessionState(action, cricket::CS_LOCAL, err_desc)) {
|
| - return false;
|
| - }
|
| - if (remote_description()) {
|
| - // Now that we have a local description, we can push down remote candidates.
|
| - UseCandidatesInSessionDescription(remote_description());
|
| - }
|
| -
|
| - pending_ice_restarts_.clear();
|
| - if (error() != ERROR_NONE) {
|
| - return BadLocalSdp(desc->type(), GetSessionErrorMsg(), err_desc);
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -bool WebRtcSession::SetRemoteDescription(SessionDescriptionInterface* desc,
|
| - std::string* err_desc) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| -
|
| - // Takes the ownership of |desc| regardless of the result.
|
| - std::unique_ptr<SessionDescriptionInterface> desc_temp(desc);
|
| -
|
| - // Validate SDP.
|
| - if (!ValidateSessionDescription(desc, cricket::CS_REMOTE, err_desc)) {
|
| - return false;
|
| - }
|
| -
|
| - const SessionDescriptionInterface* old_remote_description =
|
| - remote_description();
|
| - // Grab ownership of the description being replaced for the remainder of this
|
| - // method, since it's used below.
|
| - std::unique_ptr<SessionDescriptionInterface> replaced_remote_description;
|
| - Action action = GetAction(desc->type());
|
| - if (action == kAnswer) {
|
| - replaced_remote_description.reset(
|
| - pending_remote_description_ ? pending_remote_description_.release()
|
| - : current_remote_description_.release());
|
| - current_remote_description_.reset(desc_temp.release());
|
| - pending_remote_description_.reset(nullptr);
|
| - current_local_description_.reset(pending_local_description_.release());
|
| - } else {
|
| - replaced_remote_description.reset(pending_remote_description_.release());
|
| - pending_remote_description_.reset(desc_temp.release());
|
| - }
|
| -
|
| - // Transport and Media channels will be created only when offer is set.
|
| - if (action == kOffer && !CreateChannels(desc->description())) {
|
| - // TODO(mallinath) - Handle CreateChannel failure, as new local description
|
| - // is applied. Restore back to old description.
|
| - return BadRemoteSdp(desc->type(), kCreateChannelFailed, err_desc);
|
| - }
|
| -
|
| - // Remove unused channels if MediaContentDescription is rejected.
|
| - RemoveUnusedChannels(desc->description());
|
| -
|
| - // NOTE: Candidates allocation will be initiated only when SetLocalDescription
|
| - // is called.
|
| - if (!UpdateSessionState(action, cricket::CS_REMOTE, err_desc)) {
|
| - return false;
|
| - }
|
| -
|
| - if (local_description() && !UseCandidatesInSessionDescription(desc)) {
|
| - return BadRemoteSdp(desc->type(), kInvalidCandidates, err_desc);
|
| - }
|
| -
|
| - if (old_remote_description) {
|
| - for (const cricket::ContentInfo& content :
|
| - old_remote_description->description()->contents()) {
|
| - // Check if this new SessionDescription contains new ICE ufrag and
|
| - // password that indicates the remote peer requests an ICE restart.
|
| - // TODO(deadbeef): When we start storing both the current and pending
|
| - // remote description, this should reset pending_ice_restarts and compare
|
| - // against the current description.
|
| - if (CheckForRemoteIceRestart(old_remote_description, desc,
|
| - content.name)) {
|
| - if (action == kOffer) {
|
| - pending_ice_restarts_.insert(content.name);
|
| - }
|
| - } else {
|
| - // We retain all received candidates only if ICE is not restarted.
|
| - // When ICE is restarted, all previous candidates belong to an old
|
| - // generation and should not be kept.
|
| - // TODO(deadbeef): This goes against the W3C spec which says the remote
|
| - // description should only contain candidates from the last set remote
|
| - // description plus any candidates added since then. We should remove
|
| - // this once we're sure it won't break anything.
|
| - WebRtcSessionDescriptionFactory::CopyCandidatesFromSessionDescription(
|
| - old_remote_description, content.name, desc);
|
| - }
|
| - }
|
| - }
|
| -
|
| - if (error() != ERROR_NONE) {
|
| - return BadRemoteSdp(desc->type(), GetSessionErrorMsg(), err_desc);
|
| - }
|
| -
|
| - // Set the the ICE connection state to connecting since the connection may
|
| - // become writable with peer reflexive candidates before any remote candidate
|
| - // is signaled.
|
| - // TODO(pthatcher): This is a short-term solution for crbug/446908. A real fix
|
| - // is to have a new signal the indicates a change in checking state from the
|
| - // transport and expose a new checking() member from transport that can be
|
| - // read to determine the current checking state. The existing SignalConnecting
|
| - // actually means "gathering candidates", so cannot be be used here.
|
| - if (desc->type() != SessionDescriptionInterface::kOffer &&
|
| - ice_connection_state_ == PeerConnectionInterface::kIceConnectionNew) {
|
| - SetIceConnectionState(PeerConnectionInterface::kIceConnectionChecking);
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -void WebRtcSession::LogState(State old_state, State new_state) {
|
| - LOG(LS_INFO) << "Session:" << id()
|
| - << " Old state:" << GetStateString(old_state)
|
| - << " New state:" << GetStateString(new_state);
|
| -}
|
| -
|
| -void WebRtcSession::SetState(State state) {
|
| - RTC_DCHECK(signaling_thread_->IsCurrent());
|
| - if (state != state_) {
|
| - LogState(state_, state);
|
| - state_ = state;
|
| - SignalState(this, state_);
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::SetError(Error error, const std::string& error_desc) {
|
| - RTC_DCHECK(signaling_thread_->IsCurrent());
|
| - if (error != error_) {
|
| - error_ = error;
|
| - error_desc_ = error_desc;
|
| - }
|
| -}
|
| -
|
| -bool WebRtcSession::UpdateSessionState(
|
| - Action action, cricket::ContentSource source,
|
| - std::string* err_desc) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| -
|
| - // If there's already a pending error then no state transition should happen.
|
| - // But all call-sites should be verifying this before calling us!
|
| - RTC_DCHECK(error() == ERROR_NONE);
|
| - std::string td_err;
|
| - if (action == kOffer) {
|
| - if (!PushdownTransportDescription(source, cricket::CA_OFFER, &td_err)) {
|
| - return BadOfferSdp(source, MakeTdErrorString(td_err), err_desc);
|
| - }
|
| - SetState(source == cricket::CS_LOCAL ? STATE_SENTOFFER
|
| - : STATE_RECEIVEDOFFER);
|
| - if (!PushdownMediaDescription(cricket::CA_OFFER, source, err_desc)) {
|
| - SetError(ERROR_CONTENT, *err_desc);
|
| - }
|
| - if (error() != ERROR_NONE) {
|
| - return BadOfferSdp(source, GetSessionErrorMsg(), err_desc);
|
| - }
|
| - } else if (action == kPrAnswer) {
|
| - if (!PushdownTransportDescription(source, cricket::CA_PRANSWER, &td_err)) {
|
| - return BadPranswerSdp(source, MakeTdErrorString(td_err), err_desc);
|
| - }
|
| - EnableChannels();
|
| - SetState(source == cricket::CS_LOCAL ? STATE_SENTPRANSWER
|
| - : STATE_RECEIVEDPRANSWER);
|
| - if (!PushdownMediaDescription(cricket::CA_PRANSWER, source, err_desc)) {
|
| - SetError(ERROR_CONTENT, *err_desc);
|
| - }
|
| - if (error() != ERROR_NONE) {
|
| - return BadPranswerSdp(source, GetSessionErrorMsg(), err_desc);
|
| - }
|
| - } else if (action == kAnswer) {
|
| - const cricket::ContentGroup* local_bundle =
|
| - local_description()->description()->GetGroupByName(
|
| - cricket::GROUP_TYPE_BUNDLE);
|
| - const cricket::ContentGroup* remote_bundle =
|
| - remote_description()->description()->GetGroupByName(
|
| - cricket::GROUP_TYPE_BUNDLE);
|
| - if (local_bundle && remote_bundle) {
|
| - // The answerer decides the transport to bundle on.
|
| - const cricket::ContentGroup* answer_bundle =
|
| - (source == cricket::CS_LOCAL ? local_bundle : remote_bundle);
|
| - if (!EnableBundle(*answer_bundle)) {
|
| - LOG(LS_WARNING) << "Failed to enable BUNDLE.";
|
| - return BadAnswerSdp(source, kEnableBundleFailed, err_desc);
|
| - }
|
| - }
|
| - // Only push down the transport description after enabling BUNDLE; we don't
|
| - // want to push down a description on a transport about to be destroyed.
|
| - if (!PushdownTransportDescription(source, cricket::CA_ANSWER, &td_err)) {
|
| - return BadAnswerSdp(source, MakeTdErrorString(td_err), err_desc);
|
| - }
|
| - EnableChannels();
|
| - SetState(STATE_INPROGRESS);
|
| - if (!PushdownMediaDescription(cricket::CA_ANSWER, source, err_desc)) {
|
| - SetError(ERROR_CONTENT, *err_desc);
|
| - }
|
| - if (error() != ERROR_NONE) {
|
| - return BadAnswerSdp(source, GetSessionErrorMsg(), err_desc);
|
| - }
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -WebRtcSession::Action WebRtcSession::GetAction(const std::string& type) {
|
| - if (type == SessionDescriptionInterface::kOffer) {
|
| - return WebRtcSession::kOffer;
|
| - } else if (type == SessionDescriptionInterface::kPrAnswer) {
|
| - return WebRtcSession::kPrAnswer;
|
| - } else if (type == SessionDescriptionInterface::kAnswer) {
|
| - return WebRtcSession::kAnswer;
|
| - }
|
| - RTC_NOTREACHED() << "unknown action type";
|
| - return WebRtcSession::kOffer;
|
| -}
|
| -
|
| -bool WebRtcSession::PushdownMediaDescription(
|
| - cricket::ContentAction action,
|
| - cricket::ContentSource source,
|
| - std::string* err) {
|
| - auto set_content = [this, action, source, err](cricket::BaseChannel* ch) {
|
| - if (!ch) {
|
| - return true;
|
| - } else if (source == cricket::CS_LOCAL) {
|
| - return ch->PushdownLocalDescription(local_description()->description(),
|
| - action, err);
|
| - } else {
|
| - return ch->PushdownRemoteDescription(remote_description()->description(),
|
| - action, err);
|
| - }
|
| - };
|
| -
|
| - bool ret = (set_content(voice_channel()) && set_content(video_channel()) &&
|
| - set_content(rtp_data_channel()));
|
| - // Need complete offer/answer with an SCTP m= section before starting SCTP,
|
| - // according to https://tools.ietf.org/html/draft-ietf-mmusic-sctp-sdp-19
|
| - if (sctp_transport_ && local_description() && remote_description() &&
|
| - cricket::GetFirstDataContent(local_description()->description()) &&
|
| - cricket::GetFirstDataContent(remote_description()->description())) {
|
| - ret &= network_thread_->Invoke<bool>(
|
| - RTC_FROM_HERE,
|
| - rtc::Bind(&WebRtcSession::PushdownSctpParameters_n, this, source));
|
| - }
|
| - return ret;
|
| -}
|
| -
|
| -bool WebRtcSession::PushdownSctpParameters_n(cricket::ContentSource source) {
|
| - RTC_DCHECK(network_thread_->IsCurrent());
|
| - RTC_DCHECK(local_description());
|
| - RTC_DCHECK(remote_description());
|
| - // Apply the SCTP port (which is hidden inside a DataCodec structure...)
|
| - // When we support "max-message-size", that would also be pushed down here.
|
| - return sctp_transport_->Start(
|
| - GetSctpPort(local_description()->description()),
|
| - GetSctpPort(remote_description()->description()));
|
| -}
|
| -
|
| -bool WebRtcSession::PushdownTransportDescription(cricket::ContentSource source,
|
| - cricket::ContentAction action,
|
| - std::string* error_desc) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| -
|
| - if (source == cricket::CS_LOCAL) {
|
| - return PushdownLocalTransportDescription(local_description()->description(),
|
| - action, error_desc);
|
| - }
|
| - return PushdownRemoteTransportDescription(remote_description()->description(),
|
| - action, error_desc);
|
| -}
|
| -
|
| -bool WebRtcSession::PushdownLocalTransportDescription(
|
| - const SessionDescription* sdesc,
|
| - cricket::ContentAction action,
|
| - std::string* err) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| -
|
| - if (!sdesc) {
|
| - return false;
|
| - }
|
| -
|
| - for (const TransportInfo& tinfo : sdesc->transport_infos()) {
|
| - if (!transport_controller_->SetLocalTransportDescription(
|
| - tinfo.content_name, tinfo.description, action, err)) {
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool WebRtcSession::PushdownRemoteTransportDescription(
|
| - const SessionDescription* sdesc,
|
| - cricket::ContentAction action,
|
| - std::string* err) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| -
|
| - if (!sdesc) {
|
| - return false;
|
| - }
|
| -
|
| - for (const TransportInfo& tinfo : sdesc->transport_infos()) {
|
| - if (!transport_controller_->SetRemoteTransportDescription(
|
| - tinfo.content_name, tinfo.description, action, err)) {
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool WebRtcSession::GetTransportDescription(
|
| - const SessionDescription* description,
|
| - const std::string& content_name,
|
| - cricket::TransportDescription* tdesc) {
|
| - if (!description || !tdesc) {
|
| - return false;
|
| - }
|
| - const TransportInfo* transport_info =
|
| - description->GetTransportInfoByName(content_name);
|
| - if (!transport_info) {
|
| - return false;
|
| - }
|
| - *tdesc = transport_info->description;
|
| - return true;
|
| -}
|
| -
|
| -bool WebRtcSession::EnableBundle(const cricket::ContentGroup& bundle) {
|
| - const std::string* first_content_name = bundle.FirstContentName();
|
| - if (!first_content_name) {
|
| - LOG(LS_WARNING) << "Tried to BUNDLE with no contents.";
|
| - return false;
|
| - }
|
| - const std::string& transport_name = *first_content_name;
|
| -
|
| -#ifdef HAVE_QUIC
|
| - if (quic_data_transport_ &&
|
| - bundle.HasContentName(quic_data_transport_->content_name()) &&
|
| - quic_data_transport_->transport_name() != transport_name) {
|
| - LOG(LS_ERROR) << "Unable to BUNDLE " << quic_data_transport_->content_name()
|
| - << " on " << transport_name << "with QUIC.";
|
| - }
|
| -#endif
|
| - auto maybe_set_transport = [this, bundle,
|
| - transport_name](cricket::BaseChannel* ch) {
|
| - if (!ch || !bundle.HasContentName(ch->content_name())) {
|
| - return true;
|
| - }
|
| -
|
| - std::string old_transport_name = ch->transport_name();
|
| - if (old_transport_name == transport_name) {
|
| - LOG(LS_INFO) << "BUNDLE already enabled for " << ch->content_name()
|
| - << " on " << transport_name << ".";
|
| - return true;
|
| - }
|
| -
|
| - cricket::DtlsTransportInternal* rtp_dtls_transport =
|
| - transport_controller_->CreateDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - bool need_rtcp = (ch->rtcp_dtls_transport() != nullptr);
|
| - cricket::DtlsTransportInternal* rtcp_dtls_transport = nullptr;
|
| - if (need_rtcp) {
|
| - rtcp_dtls_transport = transport_controller_->CreateDtlsTransport_n(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTCP);
|
| - }
|
| -
|
| - ch->SetTransports(rtp_dtls_transport, rtcp_dtls_transport);
|
| - LOG(LS_INFO) << "Enabled BUNDLE for " << ch->content_name() << " on "
|
| - << transport_name << ".";
|
| - transport_controller_->DestroyDtlsTransport(
|
| - old_transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - // If the channel needs rtcp, it means that the channel used to have a
|
| - // rtcp transport which needs to be deleted now.
|
| - if (need_rtcp) {
|
| - transport_controller_->DestroyDtlsTransport(
|
| - old_transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTCP);
|
| - }
|
| - return true;
|
| - };
|
| -
|
| - if (!maybe_set_transport(voice_channel()) ||
|
| - !maybe_set_transport(video_channel()) ||
|
| - !maybe_set_transport(rtp_data_channel())) {
|
| - return false;
|
| - }
|
| - // For SCTP, transport creation/deletion happens here instead of in the
|
| - // object itself.
|
| - if (sctp_transport_) {
|
| - RTC_DCHECK(sctp_transport_name_);
|
| - RTC_DCHECK(sctp_content_name_);
|
| - if (transport_name != *sctp_transport_name_ &&
|
| - bundle.HasContentName(*sctp_content_name_)) {
|
| - network_thread_->Invoke<void>(
|
| - RTC_FROM_HERE, rtc::Bind(&WebRtcSession::ChangeSctpTransport_n, this,
|
| - transport_name));
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool WebRtcSession::ProcessIceMessage(const IceCandidateInterface* candidate) {
|
| - if (!remote_description()) {
|
| - LOG(LS_ERROR) << "ProcessIceMessage: ICE candidates can't be added "
|
| - << "without any remote session description.";
|
| - return false;
|
| - }
|
| -
|
| - if (!candidate) {
|
| - LOG(LS_ERROR) << "ProcessIceMessage: Candidate is NULL.";
|
| - return false;
|
| - }
|
| -
|
| - bool valid = false;
|
| - bool ready = ReadyToUseRemoteCandidate(candidate, NULL, &valid);
|
| - if (!valid) {
|
| - return false;
|
| - }
|
| -
|
| - // Add this candidate to the remote session description.
|
| - if (!mutable_remote_description()->AddCandidate(candidate)) {
|
| - LOG(LS_ERROR) << "ProcessIceMessage: Candidate cannot be used.";
|
| - return false;
|
| - }
|
| -
|
| - if (ready) {
|
| - return UseCandidate(candidate);
|
| - } else {
|
| - LOG(LS_INFO) << "ProcessIceMessage: Not ready to use candidate.";
|
| - return true;
|
| - }
|
| -}
|
| -
|
| -bool WebRtcSession::RemoveRemoteIceCandidates(
|
| - const std::vector<cricket::Candidate>& candidates) {
|
| - if (!remote_description()) {
|
| - LOG(LS_ERROR) << "RemoveRemoteIceCandidates: ICE candidates can't be "
|
| - << "removed without any remote session description.";
|
| - return false;
|
| - }
|
| -
|
| - if (candidates.empty()) {
|
| - LOG(LS_ERROR) << "RemoveRemoteIceCandidates: candidates are empty.";
|
| - return false;
|
| - }
|
| -
|
| - size_t number_removed =
|
| - mutable_remote_description()->RemoveCandidates(candidates);
|
| - if (number_removed != candidates.size()) {
|
| - LOG(LS_ERROR) << "RemoveRemoteIceCandidates: Failed to remove candidates. "
|
| - << "Requested " << candidates.size() << " but only "
|
| - << number_removed << " are removed.";
|
| - }
|
| -
|
| - // Remove the candidates from the transport controller.
|
| - std::string error;
|
| - bool res = transport_controller_->RemoveRemoteCandidates(candidates, &error);
|
| - if (!res && !error.empty()) {
|
| - LOG(LS_ERROR) << "Error when removing remote candidates: " << error;
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -cricket::IceConfig WebRtcSession::ParseIceConfig(
|
| - const PeerConnectionInterface::RTCConfiguration& config) const {
|
| - cricket::ContinualGatheringPolicy gathering_policy;
|
| - // TODO(honghaiz): Add the third continual gathering policy in
|
| - // PeerConnectionInterface and map it to GATHER_CONTINUALLY_AND_RECOVER.
|
| - switch (config.continual_gathering_policy) {
|
| - case PeerConnectionInterface::GATHER_ONCE:
|
| - gathering_policy = cricket::GATHER_ONCE;
|
| - break;
|
| - case PeerConnectionInterface::GATHER_CONTINUALLY:
|
| - gathering_policy = cricket::GATHER_CONTINUALLY;
|
| - break;
|
| - default:
|
| - RTC_NOTREACHED();
|
| - gathering_policy = cricket::GATHER_ONCE;
|
| - }
|
| - cricket::IceConfig ice_config;
|
| - ice_config.receiving_timeout = config.ice_connection_receiving_timeout;
|
| - ice_config.prioritize_most_likely_candidate_pairs =
|
| - config.prioritize_most_likely_ice_candidate_pairs;
|
| - ice_config.backup_connection_ping_interval =
|
| - config.ice_backup_candidate_pair_ping_interval;
|
| - ice_config.continual_gathering_policy = gathering_policy;
|
| - ice_config.presume_writable_when_fully_relayed =
|
| - config.presume_writable_when_fully_relayed;
|
| - return ice_config;
|
| -}
|
| -
|
| -void WebRtcSession::SetIceConfig(const cricket::IceConfig& config) {
|
| - transport_controller_->SetIceConfig(config);
|
| -}
|
| -
|
| -void WebRtcSession::MaybeStartGathering() {
|
| - transport_controller_->MaybeStartGathering();
|
| -}
|
| -
|
| -bool WebRtcSession::GetLocalTrackIdBySsrc(uint32_t ssrc,
|
| - std::string* track_id) {
|
| - if (!local_description()) {
|
| - return false;
|
| - }
|
| - return webrtc::GetTrackIdBySsrc(local_description()->description(), ssrc,
|
| - track_id);
|
| -}
|
| -
|
| -bool WebRtcSession::GetRemoteTrackIdBySsrc(uint32_t ssrc,
|
| - std::string* track_id) {
|
| - if (!remote_description()) {
|
| - return false;
|
| - }
|
| - return webrtc::GetTrackIdBySsrc(remote_description()->description(), ssrc,
|
| - track_id);
|
| -}
|
| -
|
| -std::string WebRtcSession::BadStateErrMsg(State state) {
|
| - std::ostringstream desc;
|
| - desc << "Called in wrong state: " << GetStateString(state);
|
| - return desc.str();
|
| -}
|
| -
|
| -bool WebRtcSession::CanInsertDtmf(const std::string& track_id) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| - if (!voice_channel_) {
|
| - LOG(LS_ERROR) << "CanInsertDtmf: No audio channel exists.";
|
| - return false;
|
| - }
|
| - uint32_t send_ssrc = 0;
|
| - // The Dtmf is negotiated per channel not ssrc, so we only check if the ssrc
|
| - // exists.
|
| - if (!local_description() ||
|
| - !GetAudioSsrcByTrackId(local_description()->description(), track_id,
|
| - &send_ssrc)) {
|
| - LOG(LS_ERROR) << "CanInsertDtmf: Track does not exist: " << track_id;
|
| - return false;
|
| - }
|
| - return voice_channel_->CanInsertDtmf();
|
| -}
|
| -
|
| -bool WebRtcSession::InsertDtmf(const std::string& track_id,
|
| - int code, int duration) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| - if (!voice_channel_) {
|
| - LOG(LS_ERROR) << "InsertDtmf: No audio channel exists.";
|
| - return false;
|
| - }
|
| - uint32_t send_ssrc = 0;
|
| - if (!VERIFY(local_description() &&
|
| - GetAudioSsrcByTrackId(local_description()->description(),
|
| - track_id, &send_ssrc))) {
|
| - LOG(LS_ERROR) << "InsertDtmf: Track does not exist: " << track_id;
|
| - return false;
|
| - }
|
| - if (!voice_channel_->InsertDtmf(send_ssrc, code, duration)) {
|
| - LOG(LS_ERROR) << "Failed to insert DTMF to channel.";
|
| - return false;
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -sigslot::signal0<>* WebRtcSession::GetOnDestroyedSignal() {
|
| - return &SignalDestroyed;
|
| -}
|
| -
|
| -bool WebRtcSession::SendData(const cricket::SendDataParams& params,
|
| - const rtc::CopyOnWriteBuffer& payload,
|
| - cricket::SendDataResult* result) {
|
| - if (!rtp_data_channel_ && !sctp_transport_) {
|
| - LOG(LS_ERROR) << "SendData called when rtp_data_channel_ "
|
| - << "and sctp_transport_ are NULL.";
|
| - return false;
|
| - }
|
| - return rtp_data_channel_
|
| - ? rtp_data_channel_->SendData(params, payload, result)
|
| - : network_thread_->Invoke<bool>(
|
| - RTC_FROM_HERE,
|
| - Bind(&cricket::SctpTransportInternal::SendData,
|
| - sctp_transport_.get(), params, payload, result));
|
| -}
|
| -
|
| -bool WebRtcSession::ConnectDataChannel(DataChannel* webrtc_data_channel) {
|
| - if (!rtp_data_channel_ && !sctp_transport_) {
|
| - // Don't log an error here, because DataChannels are expected to call
|
| - // ConnectDataChannel in this state. It's the only way to initially tell
|
| - // whether or not the underlying transport is ready.
|
| - return false;
|
| - }
|
| - if (rtp_data_channel_) {
|
| - rtp_data_channel_->SignalReadyToSendData.connect(
|
| - webrtc_data_channel, &DataChannel::OnChannelReady);
|
| - rtp_data_channel_->SignalDataReceived.connect(webrtc_data_channel,
|
| - &DataChannel::OnDataReceived);
|
| - } else {
|
| - SignalSctpReadyToSendData.connect(webrtc_data_channel,
|
| - &DataChannel::OnChannelReady);
|
| - SignalSctpDataReceived.connect(webrtc_data_channel,
|
| - &DataChannel::OnDataReceived);
|
| - SignalSctpStreamClosedRemotely.connect(
|
| - webrtc_data_channel, &DataChannel::OnStreamClosedRemotely);
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -void WebRtcSession::DisconnectDataChannel(DataChannel* webrtc_data_channel) {
|
| - if (!rtp_data_channel_ && !sctp_transport_) {
|
| - LOG(LS_ERROR) << "DisconnectDataChannel called when rtp_data_channel_ and "
|
| - "sctp_transport_ are NULL.";
|
| - return;
|
| - }
|
| - if (rtp_data_channel_) {
|
| - rtp_data_channel_->SignalReadyToSendData.disconnect(webrtc_data_channel);
|
| - rtp_data_channel_->SignalDataReceived.disconnect(webrtc_data_channel);
|
| - } else {
|
| - SignalSctpReadyToSendData.disconnect(webrtc_data_channel);
|
| - SignalSctpDataReceived.disconnect(webrtc_data_channel);
|
| - SignalSctpStreamClosedRemotely.disconnect(webrtc_data_channel);
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::AddSctpDataStream(int sid) {
|
| - if (!sctp_transport_) {
|
| - LOG(LS_ERROR) << "AddSctpDataStream called when sctp_transport_ is NULL.";
|
| - return;
|
| - }
|
| - network_thread_->Invoke<void>(
|
| - RTC_FROM_HERE, rtc::Bind(&cricket::SctpTransportInternal::OpenStream,
|
| - sctp_transport_.get(), sid));
|
| -}
|
| -
|
| -void WebRtcSession::RemoveSctpDataStream(int sid) {
|
| - if (!sctp_transport_) {
|
| - LOG(LS_ERROR) << "RemoveSctpDataStream called when sctp_transport_ is "
|
| - << "NULL.";
|
| - return;
|
| - }
|
| - network_thread_->Invoke<void>(
|
| - RTC_FROM_HERE, rtc::Bind(&cricket::SctpTransportInternal::ResetStream,
|
| - sctp_transport_.get(), sid));
|
| -}
|
| -
|
| -bool WebRtcSession::ReadyToSendData() const {
|
| - return (rtp_data_channel_ && rtp_data_channel_->ready_to_send_data()) ||
|
| - sctp_ready_to_send_data_;
|
| -}
|
| -
|
| -std::unique_ptr<SessionStats> WebRtcSession::GetStats_s() {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| - ChannelNamePairs channel_name_pairs;
|
| - if (voice_channel()) {
|
| - channel_name_pairs.voice = rtc::Optional<ChannelNamePair>(ChannelNamePair(
|
| - voice_channel()->content_name(), voice_channel()->transport_name()));
|
| - }
|
| - if (video_channel()) {
|
| - channel_name_pairs.video = rtc::Optional<ChannelNamePair>(ChannelNamePair(
|
| - video_channel()->content_name(), video_channel()->transport_name()));
|
| - }
|
| - if (rtp_data_channel()) {
|
| - channel_name_pairs.data = rtc::Optional<ChannelNamePair>(
|
| - ChannelNamePair(rtp_data_channel()->content_name(),
|
| - rtp_data_channel()->transport_name()));
|
| - }
|
| - if (sctp_transport_) {
|
| - RTC_DCHECK(sctp_content_name_);
|
| - RTC_DCHECK(sctp_transport_name_);
|
| - channel_name_pairs.data = rtc::Optional<ChannelNamePair>(
|
| - ChannelNamePair(*sctp_content_name_, *sctp_transport_name_));
|
| - }
|
| - return GetStats(channel_name_pairs);
|
| -}
|
| -
|
| -std::unique_ptr<SessionStats> WebRtcSession::GetStats(
|
| - const ChannelNamePairs& channel_name_pairs) {
|
| - if (network_thread()->IsCurrent()) {
|
| - return GetStats_n(channel_name_pairs);
|
| - }
|
| - return network_thread()->Invoke<std::unique_ptr<SessionStats>>(
|
| - RTC_FROM_HERE,
|
| - rtc::Bind(&WebRtcSession::GetStats_n, this, channel_name_pairs));
|
| -}
|
| -
|
| -bool WebRtcSession::GetLocalCertificate(
|
| - const std::string& transport_name,
|
| - rtc::scoped_refptr<rtc::RTCCertificate>* certificate) {
|
| - return transport_controller_->GetLocalCertificate(transport_name,
|
| - certificate);
|
| -}
|
| -
|
| -std::unique_ptr<rtc::SSLCertificate> WebRtcSession::GetRemoteSSLCertificate(
|
| - const std::string& transport_name) {
|
| - return transport_controller_->GetRemoteSSLCertificate(transport_name);
|
| -}
|
| -
|
| -cricket::DataChannelType WebRtcSession::data_channel_type() const {
|
| - return data_channel_type_;
|
| -}
|
| -
|
| -bool WebRtcSession::IceRestartPending(const std::string& content_name) const {
|
| - return pending_ice_restarts_.find(content_name) !=
|
| - pending_ice_restarts_.end();
|
| -}
|
| -
|
| -void WebRtcSession::SetNeedsIceRestartFlag() {
|
| - transport_controller_->SetNeedsIceRestartFlag();
|
| -}
|
| -
|
| -bool WebRtcSession::NeedsIceRestart(const std::string& content_name) const {
|
| - return transport_controller_->NeedsIceRestart(content_name);
|
| -}
|
| -
|
| -void WebRtcSession::OnCertificateReady(
|
| - const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) {
|
| - transport_controller_->SetLocalCertificate(certificate);
|
| -}
|
| -
|
| -void WebRtcSession::OnDtlsSrtpSetupFailure(cricket::BaseChannel*, bool rtcp) {
|
| - SetError(ERROR_TRANSPORT,
|
| - rtcp ? kDtlsSrtpSetupFailureRtcp : kDtlsSrtpSetupFailureRtp);
|
| -}
|
| -
|
| -bool WebRtcSession::waiting_for_certificate_for_testing() const {
|
| - return webrtc_session_desc_factory_->waiting_for_certificate_for_testing();
|
| -}
|
| -
|
| -const rtc::scoped_refptr<rtc::RTCCertificate>&
|
| -WebRtcSession::certificate_for_testing() {
|
| - return transport_controller_->certificate_for_testing();
|
| -}
|
| -
|
| -void WebRtcSession::SetIceConnectionState(
|
| - PeerConnectionInterface::IceConnectionState state) {
|
| - if (ice_connection_state_ == state) {
|
| - return;
|
| - }
|
| -
|
| - LOG(LS_INFO) << "Changing IceConnectionState " << ice_connection_state_
|
| - << " => " << state;
|
| - RTC_DCHECK(ice_connection_state_ !=
|
| - PeerConnectionInterface::kIceConnectionClosed);
|
| - ice_connection_state_ = state;
|
| - if (ice_observer_) {
|
| - ice_observer_->OnIceConnectionChange(ice_connection_state_);
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::OnTransportControllerConnectionState(
|
| - cricket::IceConnectionState state) {
|
| - switch (state) {
|
| - case cricket::kIceConnectionConnecting:
|
| - // If the current state is Connected or Completed, then there were
|
| - // writable channels but now there are not, so the next state must
|
| - // be Disconnected.
|
| - // kIceConnectionConnecting is currently used as the default,
|
| - // un-connected state by the TransportController, so its only use is
|
| - // detecting disconnections.
|
| - if (ice_connection_state_ ==
|
| - PeerConnectionInterface::kIceConnectionConnected ||
|
| - ice_connection_state_ ==
|
| - PeerConnectionInterface::kIceConnectionCompleted) {
|
| - SetIceConnectionState(
|
| - PeerConnectionInterface::kIceConnectionDisconnected);
|
| - }
|
| - break;
|
| - case cricket::kIceConnectionFailed:
|
| - SetIceConnectionState(PeerConnectionInterface::kIceConnectionFailed);
|
| - break;
|
| - case cricket::kIceConnectionConnected:
|
| - LOG(LS_INFO) << "Changing to ICE connected state because "
|
| - << "all transports are writable.";
|
| - SetIceConnectionState(PeerConnectionInterface::kIceConnectionConnected);
|
| - break;
|
| - case cricket::kIceConnectionCompleted:
|
| - LOG(LS_INFO) << "Changing to ICE completed state because "
|
| - << "all transports are complete.";
|
| - if (ice_connection_state_ !=
|
| - PeerConnectionInterface::kIceConnectionConnected) {
|
| - // If jumping directly from "checking" to "connected",
|
| - // signal "connected" first.
|
| - SetIceConnectionState(PeerConnectionInterface::kIceConnectionConnected);
|
| - }
|
| - SetIceConnectionState(PeerConnectionInterface::kIceConnectionCompleted);
|
| - if (metrics_observer_) {
|
| - ReportTransportStats();
|
| - }
|
| - break;
|
| - default:
|
| - RTC_NOTREACHED();
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::OnTransportControllerReceiving(bool receiving) {
|
| - SetIceConnectionReceiving(receiving);
|
| -}
|
| -
|
| -void WebRtcSession::SetIceConnectionReceiving(bool receiving) {
|
| - if (ice_connection_receiving_ == receiving) {
|
| - return;
|
| - }
|
| - ice_connection_receiving_ = receiving;
|
| - if (ice_observer_) {
|
| - ice_observer_->OnIceConnectionReceivingChange(receiving);
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::OnTransportControllerCandidatesGathered(
|
| - const std::string& transport_name,
|
| - const cricket::Candidates& candidates) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| - int sdp_mline_index;
|
| - if (!GetLocalCandidateMediaIndex(transport_name, &sdp_mline_index)) {
|
| - LOG(LS_ERROR) << "OnTransportControllerCandidatesGathered: content name "
|
| - << transport_name << " not found";
|
| - return;
|
| - }
|
| -
|
| - for (cricket::Candidates::const_iterator citer = candidates.begin();
|
| - citer != candidates.end(); ++citer) {
|
| - // Use transport_name as the candidate media id.
|
| - JsepIceCandidate candidate(transport_name, sdp_mline_index, *citer);
|
| - if (ice_observer_) {
|
| - ice_observer_->OnIceCandidate(&candidate);
|
| - }
|
| - if (local_description()) {
|
| - mutable_local_description()->AddCandidate(&candidate);
|
| - }
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::OnTransportControllerCandidatesRemoved(
|
| - const std::vector<cricket::Candidate>& candidates) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| - // Sanity check.
|
| - for (const cricket::Candidate& candidate : candidates) {
|
| - if (candidate.transport_name().empty()) {
|
| - LOG(LS_ERROR) << "OnTransportControllerCandidatesRemoved: "
|
| - << "empty content name in candidate "
|
| - << candidate.ToString();
|
| - return;
|
| - }
|
| - }
|
| -
|
| - if (local_description()) {
|
| - mutable_local_description()->RemoveCandidates(candidates);
|
| - }
|
| - if (ice_observer_) {
|
| - ice_observer_->OnIceCandidatesRemoved(candidates);
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::OnTransportControllerDtlsHandshakeError(
|
| - rtc::SSLHandshakeError error) {
|
| - if (metrics_observer_) {
|
| - metrics_observer_->IncrementEnumCounter(
|
| - webrtc::kEnumCounterDtlsHandshakeError, static_cast<int>(error),
|
| - static_cast<int>(rtc::SSLHandshakeError::MAX_VALUE));
|
| - }
|
| -}
|
| -
|
| -// Enabling voice and video (and RTP data) channel.
|
| -void WebRtcSession::EnableChannels() {
|
| - if (voice_channel_ && !voice_channel_->enabled())
|
| - voice_channel_->Enable(true);
|
| -
|
| - if (video_channel_ && !video_channel_->enabled())
|
| - video_channel_->Enable(true);
|
| -
|
| - if (rtp_data_channel_ && !rtp_data_channel_->enabled())
|
| - rtp_data_channel_->Enable(true);
|
| -}
|
| -
|
| -// Returns the media index for a local ice candidate given the content name.
|
| -bool WebRtcSession::GetLocalCandidateMediaIndex(const std::string& content_name,
|
| - int* sdp_mline_index) {
|
| - if (!local_description() || !sdp_mline_index) {
|
| - return false;
|
| - }
|
| -
|
| - bool content_found = false;
|
| - const ContentInfos& contents = local_description()->description()->contents();
|
| - for (size_t index = 0; index < contents.size(); ++index) {
|
| - if (contents[index].name == content_name) {
|
| - *sdp_mline_index = static_cast<int>(index);
|
| - content_found = true;
|
| - break;
|
| - }
|
| - }
|
| - return content_found;
|
| -}
|
| -
|
| -bool WebRtcSession::UseCandidatesInSessionDescription(
|
| - const SessionDescriptionInterface* remote_desc) {
|
| - if (!remote_desc) {
|
| - return true;
|
| - }
|
| - bool ret = true;
|
| -
|
| - for (size_t m = 0; m < remote_desc->number_of_mediasections(); ++m) {
|
| - const IceCandidateCollection* candidates = remote_desc->candidates(m);
|
| - for (size_t n = 0; n < candidates->count(); ++n) {
|
| - const IceCandidateInterface* candidate = candidates->at(n);
|
| - bool valid = false;
|
| - if (!ReadyToUseRemoteCandidate(candidate, remote_desc, &valid)) {
|
| - if (valid) {
|
| - LOG(LS_INFO) << "UseCandidatesInSessionDescription: Not ready to use "
|
| - << "candidate.";
|
| - }
|
| - continue;
|
| - }
|
| - ret = UseCandidate(candidate);
|
| - if (!ret) {
|
| - break;
|
| - }
|
| - }
|
| - }
|
| - return ret;
|
| -}
|
| -
|
| -bool WebRtcSession::UseCandidate(const IceCandidateInterface* candidate) {
|
| - size_t mediacontent_index = static_cast<size_t>(candidate->sdp_mline_index());
|
| - size_t remote_content_size =
|
| - remote_description()->description()->contents().size();
|
| - if (mediacontent_index >= remote_content_size) {
|
| - LOG(LS_ERROR) << "UseCandidate: Invalid candidate media index.";
|
| - return false;
|
| - }
|
| -
|
| - cricket::ContentInfo content =
|
| - remote_description()->description()->contents()[mediacontent_index];
|
| - std::vector<cricket::Candidate> candidates;
|
| - candidates.push_back(candidate->candidate());
|
| - // Invoking BaseSession method to handle remote candidates.
|
| - std::string error;
|
| - if (transport_controller_->AddRemoteCandidates(content.name, candidates,
|
| - &error)) {
|
| - // Candidates successfully submitted for checking.
|
| - if (ice_connection_state_ == PeerConnectionInterface::kIceConnectionNew ||
|
| - ice_connection_state_ ==
|
| - PeerConnectionInterface::kIceConnectionDisconnected) {
|
| - // If state is New, then the session has just gotten its first remote ICE
|
| - // candidates, so go to Checking.
|
| - // If state is Disconnected, the session is re-using old candidates or
|
| - // receiving additional ones, so go to Checking.
|
| - // If state is Connected, stay Connected.
|
| - // TODO(bemasc): If state is Connected, and the new candidates are for a
|
| - // newly added transport, then the state actually _should_ move to
|
| - // checking. Add a way to distinguish that case.
|
| - SetIceConnectionState(PeerConnectionInterface::kIceConnectionChecking);
|
| - }
|
| - // TODO(bemasc): If state is Completed, go back to Connected.
|
| - } else {
|
| - if (!error.empty()) {
|
| - LOG(LS_WARNING) << error;
|
| - }
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -void WebRtcSession::RemoveUnusedChannels(const SessionDescription* desc) {
|
| - // Destroy video_channel_ first since it may have a pointer to the
|
| - // voice_channel_.
|
| - const cricket::ContentInfo* video_info =
|
| - cricket::GetFirstVideoContent(desc);
|
| - if ((!video_info || video_info->rejected) && video_channel_) {
|
| - DestroyVideoChannel();
|
| - }
|
| -
|
| - const cricket::ContentInfo* voice_info =
|
| - cricket::GetFirstAudioContent(desc);
|
| - if ((!voice_info || voice_info->rejected) && voice_channel_) {
|
| - DestroyVoiceChannel();
|
| - }
|
| -
|
| - const cricket::ContentInfo* data_info =
|
| - cricket::GetFirstDataContent(desc);
|
| - if (!data_info || data_info->rejected) {
|
| - if (rtp_data_channel_) {
|
| - DestroyDataChannel();
|
| - }
|
| - if (sctp_transport_) {
|
| - SignalDataChannelDestroyed();
|
| - network_thread_->Invoke<void>(
|
| - RTC_FROM_HERE,
|
| - rtc::Bind(&WebRtcSession::DestroySctpTransport_n, this));
|
| - }
|
| -#ifdef HAVE_QUIC
|
| - // Clean up the existing QuicDataTransport and its QuicTransportChannels.
|
| - if (quic_data_transport_) {
|
| - quic_data_transport_.reset();
|
| - }
|
| -#endif
|
| - }
|
| -}
|
| -
|
| -// Returns the name of the transport channel when BUNDLE is enabled, or nullptr
|
| -// if the channel is not part of any bundle.
|
| -const std::string* WebRtcSession::GetBundleTransportName(
|
| - const cricket::ContentInfo* content,
|
| - const cricket::ContentGroup* bundle) {
|
| - if (!bundle) {
|
| - return nullptr;
|
| - }
|
| - const std::string* first_content_name = bundle->FirstContentName();
|
| - if (!first_content_name) {
|
| - LOG(LS_WARNING) << "Tried to BUNDLE with no contents.";
|
| - return nullptr;
|
| - }
|
| - if (!bundle->HasContentName(content->name)) {
|
| - LOG(LS_WARNING) << content->name << " is not part of any bundle group";
|
| - return nullptr;
|
| - }
|
| - LOG(LS_INFO) << "Bundling " << content->name << " on " << *first_content_name;
|
| - return first_content_name;
|
| -}
|
| -
|
| -bool WebRtcSession::CreateChannels(const SessionDescription* desc) {
|
| - const cricket::ContentGroup* bundle_group = nullptr;
|
| - if (bundle_policy_ == PeerConnectionInterface::kBundlePolicyMaxBundle) {
|
| - bundle_group = desc->GetGroupByName(cricket::GROUP_TYPE_BUNDLE);
|
| - if (!bundle_group) {
|
| - LOG(LS_WARNING) << "max-bundle specified without BUNDLE specified";
|
| - return false;
|
| - }
|
| - }
|
| - // Creating the media channels and transport proxies.
|
| - const cricket::ContentInfo* voice = cricket::GetFirstAudioContent(desc);
|
| - if (voice && !voice->rejected && !voice_channel_) {
|
| - if (!CreateVoiceChannel(voice,
|
| - GetBundleTransportName(voice, bundle_group))) {
|
| - LOG(LS_ERROR) << "Failed to create voice channel.";
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - const cricket::ContentInfo* video = cricket::GetFirstVideoContent(desc);
|
| - if (video && !video->rejected && !video_channel_) {
|
| - if (!CreateVideoChannel(video,
|
| - GetBundleTransportName(video, bundle_group))) {
|
| - LOG(LS_ERROR) << "Failed to create video channel.";
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - const cricket::ContentInfo* data = cricket::GetFirstDataContent(desc);
|
| - if (data_channel_type_ != cricket::DCT_NONE && data && !data->rejected &&
|
| - !rtp_data_channel_ && !sctp_transport_) {
|
| - if (!CreateDataChannel(data, GetBundleTransportName(data, bundle_group))) {
|
| - LOG(LS_ERROR) << "Failed to create data channel.";
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool WebRtcSession::CreateVoiceChannel(const cricket::ContentInfo* content,
|
| - const std::string* bundle_transport) {
|
| - bool require_rtcp_mux =
|
| - rtcp_mux_policy_ == PeerConnectionInterface::kRtcpMuxPolicyRequire;
|
| -
|
| - std::string transport_name =
|
| - bundle_transport ? *bundle_transport : content->name;
|
| -
|
| - cricket::DtlsTransportInternal* rtp_dtls_transport =
|
| - transport_controller_->CreateDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - cricket::DtlsTransportInternal* rtcp_dtls_transport = nullptr;
|
| - if (!require_rtcp_mux) {
|
| - rtcp_dtls_transport = transport_controller_->CreateDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTCP);
|
| - }
|
| -
|
| - voice_channel_.reset(channel_manager_->CreateVoiceChannel(
|
| - media_controller_, rtp_dtls_transport, rtcp_dtls_transport,
|
| - transport_controller_->signaling_thread(), content->name,
|
| - bundle_transport, require_rtcp_mux, SrtpRequired(), audio_options_));
|
| - if (!voice_channel_) {
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - if (rtcp_dtls_transport) {
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - }
|
| - return false;
|
| - }
|
| -
|
| - voice_channel_->SignalRtcpMuxFullyActive.connect(
|
| - this, &WebRtcSession::DestroyRtcpTransport_n);
|
| - voice_channel_->SignalDtlsSrtpSetupFailure.connect(
|
| - this, &WebRtcSession::OnDtlsSrtpSetupFailure);
|
| -
|
| - SignalVoiceChannelCreated();
|
| - voice_channel_->SignalSentPacket.connect(this,
|
| - &WebRtcSession::OnSentPacket_w);
|
| - return true;
|
| -}
|
| -
|
| -bool WebRtcSession::CreateVideoChannel(const cricket::ContentInfo* content,
|
| - const std::string* bundle_transport) {
|
| - bool require_rtcp_mux =
|
| - rtcp_mux_policy_ == PeerConnectionInterface::kRtcpMuxPolicyRequire;
|
| -
|
| - std::string transport_name =
|
| - bundle_transport ? *bundle_transport : content->name;
|
| -
|
| - cricket::DtlsTransportInternal* rtp_dtls_transport =
|
| - transport_controller_->CreateDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - cricket::DtlsTransportInternal* rtcp_dtls_transport = nullptr;
|
| - if (!require_rtcp_mux) {
|
| - rtcp_dtls_transport = transport_controller_->CreateDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTCP);
|
| - }
|
| -
|
| - video_channel_.reset(channel_manager_->CreateVideoChannel(
|
| - media_controller_, rtp_dtls_transport, rtcp_dtls_transport,
|
| - transport_controller_->signaling_thread(), content->name,
|
| - bundle_transport, require_rtcp_mux, SrtpRequired(), video_options_));
|
| -
|
| - if (!video_channel_) {
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - if (rtcp_dtls_transport) {
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - }
|
| - return false;
|
| - }
|
| -
|
| - video_channel_->SignalRtcpMuxFullyActive.connect(
|
| - this, &WebRtcSession::DestroyRtcpTransport_n);
|
| - video_channel_->SignalDtlsSrtpSetupFailure.connect(
|
| - this, &WebRtcSession::OnDtlsSrtpSetupFailure);
|
| -
|
| - SignalVideoChannelCreated();
|
| - video_channel_->SignalSentPacket.connect(this,
|
| - &WebRtcSession::OnSentPacket_w);
|
| - return true;
|
| -}
|
| -
|
| -bool WebRtcSession::CreateDataChannel(const cricket::ContentInfo* content,
|
| - const std::string* bundle_transport) {
|
| - const std::string transport_name =
|
| - bundle_transport ? *bundle_transport : content->name;
|
| -#ifdef HAVE_QUIC
|
| - if (data_channel_type_ == cricket::DCT_QUIC) {
|
| - RTC_DCHECK(transport_controller_->quic());
|
| - quic_data_transport_->SetTransports(transport_name);
|
| - return true;
|
| - }
|
| -#endif // HAVE_QUIC
|
| - bool sctp = (data_channel_type_ == cricket::DCT_SCTP);
|
| - if (sctp) {
|
| - if (!sctp_factory_) {
|
| - LOG(LS_ERROR)
|
| - << "Trying to create SCTP transport, but didn't compile with "
|
| - "SCTP support (HAVE_SCTP)";
|
| - return false;
|
| - }
|
| - if (!network_thread_->Invoke<bool>(
|
| - RTC_FROM_HERE, rtc::Bind(&WebRtcSession::CreateSctpTransport_n,
|
| - this, content->name, transport_name))) {
|
| - return false;
|
| - };
|
| - } else {
|
| - bool require_rtcp_mux =
|
| - rtcp_mux_policy_ == PeerConnectionInterface::kRtcpMuxPolicyRequire;
|
| -
|
| - std::string transport_name =
|
| - bundle_transport ? *bundle_transport : content->name;
|
| - cricket::DtlsTransportInternal* rtp_dtls_transport =
|
| - transport_controller_->CreateDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - cricket::DtlsTransportInternal* rtcp_dtls_transport = nullptr;
|
| - if (!require_rtcp_mux) {
|
| - rtcp_dtls_transport = transport_controller_->CreateDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTCP);
|
| - }
|
| -
|
| - rtp_data_channel_.reset(channel_manager_->CreateRtpDataChannel(
|
| - media_controller_, rtp_dtls_transport, rtcp_dtls_transport,
|
| - transport_controller_->signaling_thread(), content->name,
|
| - bundle_transport, require_rtcp_mux, SrtpRequired()));
|
| -
|
| - if (!rtp_data_channel_) {
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - if (rtcp_dtls_transport) {
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - }
|
| - return false;
|
| - }
|
| -
|
| - rtp_data_channel_->SignalRtcpMuxFullyActive.connect(
|
| - this, &WebRtcSession::DestroyRtcpTransport_n);
|
| - rtp_data_channel_->SignalDtlsSrtpSetupFailure.connect(
|
| - this, &WebRtcSession::OnDtlsSrtpSetupFailure);
|
| - rtp_data_channel_->SignalSentPacket.connect(this,
|
| - &WebRtcSession::OnSentPacket_w);
|
| - }
|
| -
|
| - SignalDataChannelCreated();
|
| -
|
| - return true;
|
| -}
|
| -
|
| -std::unique_ptr<SessionStats> WebRtcSession::GetStats_n(
|
| - const ChannelNamePairs& channel_name_pairs) {
|
| - RTC_DCHECK(network_thread()->IsCurrent());
|
| - std::unique_ptr<SessionStats> session_stats(new SessionStats());
|
| - for (const auto channel_name_pair : { &channel_name_pairs.voice,
|
| - &channel_name_pairs.video,
|
| - &channel_name_pairs.data }) {
|
| - if (*channel_name_pair) {
|
| - cricket::TransportStats transport_stats;
|
| - if (!transport_controller_->GetStats((*channel_name_pair)->transport_name,
|
| - &transport_stats)) {
|
| - return nullptr;
|
| - }
|
| - session_stats->proxy_to_transport[(*channel_name_pair)->content_name] =
|
| - (*channel_name_pair)->transport_name;
|
| - session_stats->transport_stats[(*channel_name_pair)->transport_name] =
|
| - std::move(transport_stats);
|
| - }
|
| - }
|
| - return session_stats;
|
| -}
|
| -
|
| -bool WebRtcSession::CreateSctpTransport_n(const std::string& content_name,
|
| - const std::string& transport_name) {
|
| - RTC_DCHECK(network_thread_->IsCurrent());
|
| - RTC_DCHECK(sctp_factory_);
|
| - cricket::DtlsTransportInternal* tc =
|
| - transport_controller_->CreateDtlsTransport_n(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - sctp_transport_ = sctp_factory_->CreateSctpTransport(tc);
|
| - RTC_DCHECK(sctp_transport_);
|
| - sctp_invoker_.reset(new rtc::AsyncInvoker());
|
| - sctp_transport_->SignalReadyToSendData.connect(
|
| - this, &WebRtcSession::OnSctpTransportReadyToSendData_n);
|
| - sctp_transport_->SignalDataReceived.connect(
|
| - this, &WebRtcSession::OnSctpTransportDataReceived_n);
|
| - sctp_transport_->SignalStreamClosedRemotely.connect(
|
| - this, &WebRtcSession::OnSctpStreamClosedRemotely_n);
|
| - sctp_transport_name_ = rtc::Optional<std::string>(transport_name);
|
| - sctp_content_name_ = rtc::Optional<std::string>(content_name);
|
| - return true;
|
| -}
|
| -
|
| -void WebRtcSession::ChangeSctpTransport_n(const std::string& transport_name) {
|
| - RTC_DCHECK(network_thread_->IsCurrent());
|
| - RTC_DCHECK(sctp_transport_);
|
| - RTC_DCHECK(sctp_transport_name_);
|
| - std::string old_sctp_transport_name = *sctp_transport_name_;
|
| - sctp_transport_name_ = rtc::Optional<std::string>(transport_name);
|
| - cricket::DtlsTransportInternal* tc =
|
| - transport_controller_->CreateDtlsTransport_n(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - sctp_transport_->SetTransportChannel(tc);
|
| - transport_controller_->DestroyDtlsTransport_n(
|
| - old_sctp_transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| -}
|
| -
|
| -void WebRtcSession::DestroySctpTransport_n() {
|
| - RTC_DCHECK(network_thread_->IsCurrent());
|
| - sctp_transport_.reset(nullptr);
|
| - sctp_content_name_.reset();
|
| - sctp_transport_name_.reset();
|
| - sctp_invoker_.reset(nullptr);
|
| - sctp_ready_to_send_data_ = false;
|
| -}
|
| -
|
| -void WebRtcSession::OnSctpTransportReadyToSendData_n() {
|
| - RTC_DCHECK(data_channel_type_ == cricket::DCT_SCTP);
|
| - RTC_DCHECK(network_thread_->IsCurrent());
|
| - sctp_invoker_->AsyncInvoke<void>(
|
| - RTC_FROM_HERE, signaling_thread_,
|
| - rtc::Bind(&WebRtcSession::OnSctpTransportReadyToSendData_s, this, true));
|
| -}
|
| -
|
| -void WebRtcSession::OnSctpTransportReadyToSendData_s(bool ready) {
|
| - RTC_DCHECK(signaling_thread_->IsCurrent());
|
| - sctp_ready_to_send_data_ = ready;
|
| - SignalSctpReadyToSendData(ready);
|
| -}
|
| -
|
| -void WebRtcSession::OnSctpTransportDataReceived_n(
|
| - const cricket::ReceiveDataParams& params,
|
| - const rtc::CopyOnWriteBuffer& payload) {
|
| - RTC_DCHECK(data_channel_type_ == cricket::DCT_SCTP);
|
| - RTC_DCHECK(network_thread_->IsCurrent());
|
| - sctp_invoker_->AsyncInvoke<void>(
|
| - RTC_FROM_HERE, signaling_thread_,
|
| - rtc::Bind(&WebRtcSession::OnSctpTransportDataReceived_s, this, params,
|
| - payload));
|
| -}
|
| -
|
| -void WebRtcSession::OnSctpTransportDataReceived_s(
|
| - const cricket::ReceiveDataParams& params,
|
| - const rtc::CopyOnWriteBuffer& payload) {
|
| - RTC_DCHECK(signaling_thread_->IsCurrent());
|
| - if (params.type == cricket::DMT_CONTROL && IsOpenMessage(payload)) {
|
| - // Received OPEN message; parse and signal that a new data channel should
|
| - // be created.
|
| - std::string label;
|
| - InternalDataChannelInit config;
|
| - config.id = params.ssrc;
|
| - if (!ParseDataChannelOpenMessage(payload, &label, &config)) {
|
| - LOG(LS_WARNING) << "Failed to parse the OPEN message for sid "
|
| - << params.ssrc;
|
| - return;
|
| - }
|
| - config.open_handshake_role = InternalDataChannelInit::kAcker;
|
| - SignalDataChannelOpenMessage(label, config);
|
| - } else {
|
| - // Otherwise just forward the signal.
|
| - SignalSctpDataReceived(params, payload);
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::OnSctpStreamClosedRemotely_n(int sid) {
|
| - RTC_DCHECK(data_channel_type_ == cricket::DCT_SCTP);
|
| - RTC_DCHECK(network_thread_->IsCurrent());
|
| - sctp_invoker_->AsyncInvoke<void>(
|
| - RTC_FROM_HERE, signaling_thread_,
|
| - rtc::Bind(&sigslot::signal1<int>::operator(),
|
| - &SignalSctpStreamClosedRemotely, sid));
|
| -}
|
| -
|
| -// Returns false if bundle is enabled and rtcp_mux is disabled.
|
| -bool WebRtcSession::ValidateBundleSettings(const SessionDescription* desc) {
|
| - bool bundle_enabled = desc->HasGroup(cricket::GROUP_TYPE_BUNDLE);
|
| - if (!bundle_enabled)
|
| - return true;
|
| -
|
| - const cricket::ContentGroup* bundle_group =
|
| - desc->GetGroupByName(cricket::GROUP_TYPE_BUNDLE);
|
| - RTC_DCHECK(bundle_group != NULL);
|
| -
|
| - const cricket::ContentInfos& contents = desc->contents();
|
| - for (cricket::ContentInfos::const_iterator citer = contents.begin();
|
| - citer != contents.end(); ++citer) {
|
| - const cricket::ContentInfo* content = (&*citer);
|
| - RTC_DCHECK(content != NULL);
|
| - if (bundle_group->HasContentName(content->name) &&
|
| - !content->rejected && content->type == cricket::NS_JINGLE_RTP) {
|
| - if (!HasRtcpMuxEnabled(content))
|
| - return false;
|
| - }
|
| - }
|
| - // RTCP-MUX is enabled in all the contents.
|
| - return true;
|
| -}
|
| -
|
| -bool WebRtcSession::HasRtcpMuxEnabled(
|
| - const cricket::ContentInfo* content) {
|
| - const cricket::MediaContentDescription* description =
|
| - static_cast<cricket::MediaContentDescription*>(content->description);
|
| - return description->rtcp_mux();
|
| -}
|
| -
|
| -bool WebRtcSession::ValidateSessionDescription(
|
| - const SessionDescriptionInterface* sdesc,
|
| - cricket::ContentSource source, std::string* err_desc) {
|
| - std::string type;
|
| - if (error() != ERROR_NONE) {
|
| - return BadSdp(source, type, GetSessionErrorMsg(), err_desc);
|
| - }
|
| -
|
| - if (!sdesc || !sdesc->description()) {
|
| - return BadSdp(source, type, kInvalidSdp, err_desc);
|
| - }
|
| -
|
| - type = sdesc->type();
|
| - Action action = GetAction(sdesc->type());
|
| - if (source == cricket::CS_LOCAL) {
|
| - if (!ExpectSetLocalDescription(action))
|
| - return BadLocalSdp(type, BadStateErrMsg(state()), err_desc);
|
| - } else {
|
| - if (!ExpectSetRemoteDescription(action))
|
| - return BadRemoteSdp(type, BadStateErrMsg(state()), err_desc);
|
| - }
|
| -
|
| - // Verify crypto settings.
|
| - std::string crypto_error;
|
| - if ((webrtc_session_desc_factory_->SdesPolicy() == cricket::SEC_REQUIRED ||
|
| - dtls_enabled_) &&
|
| - !VerifyCrypto(sdesc->description(), dtls_enabled_, &crypto_error)) {
|
| - return BadSdp(source, type, crypto_error, err_desc);
|
| - }
|
| -
|
| - // Verify ice-ufrag and ice-pwd.
|
| - if (!VerifyIceUfragPwdPresent(sdesc->description())) {
|
| - return BadSdp(source, type, kSdpWithoutIceUfragPwd, err_desc);
|
| - }
|
| -
|
| - if (!ValidateBundleSettings(sdesc->description())) {
|
| - return BadSdp(source, type, kBundleWithoutRtcpMux, err_desc);
|
| - }
|
| -
|
| - // TODO(skvlad): When the local rtcp-mux policy is Require, reject any
|
| - // m-lines that do not rtcp-mux enabled.
|
| -
|
| - // Verify m-lines in Answer when compared against Offer.
|
| - if (action == kAnswer) {
|
| - const cricket::SessionDescription* offer_desc =
|
| - (source == cricket::CS_LOCAL) ? remote_description()->description()
|
| - : local_description()->description();
|
| - if (!VerifyMediaDescriptions(sdesc->description(), offer_desc)) {
|
| - return BadAnswerSdp(source, kMlineMismatch, err_desc);
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool WebRtcSession::ExpectSetLocalDescription(Action action) {
|
| - return ((action == kOffer && state() == STATE_INIT) ||
|
| - // update local offer
|
| - (action == kOffer && state() == STATE_SENTOFFER) ||
|
| - // update the current ongoing session.
|
| - (action == kOffer && state() == STATE_INPROGRESS) ||
|
| - // accept remote offer
|
| - (action == kAnswer && state() == STATE_RECEIVEDOFFER) ||
|
| - (action == kAnswer && state() == STATE_SENTPRANSWER) ||
|
| - (action == kPrAnswer && state() == STATE_RECEIVEDOFFER) ||
|
| - (action == kPrAnswer && state() == STATE_SENTPRANSWER));
|
| -}
|
| -
|
| -bool WebRtcSession::ExpectSetRemoteDescription(Action action) {
|
| - return ((action == kOffer && state() == STATE_INIT) ||
|
| - // update remote offer
|
| - (action == kOffer && state() == STATE_RECEIVEDOFFER) ||
|
| - // update the current ongoing session
|
| - (action == kOffer && state() == STATE_INPROGRESS) ||
|
| - // accept local offer
|
| - (action == kAnswer && state() == STATE_SENTOFFER) ||
|
| - (action == kAnswer && state() == STATE_RECEIVEDPRANSWER) ||
|
| - (action == kPrAnswer && state() == STATE_SENTOFFER) ||
|
| - (action == kPrAnswer && state() == STATE_RECEIVEDPRANSWER));
|
| -}
|
| -
|
| -std::string WebRtcSession::GetSessionErrorMsg() {
|
| - std::ostringstream desc;
|
| - desc << kSessionError << GetErrorCodeString(error()) << ". ";
|
| - desc << kSessionErrorDesc << error_desc() << ".";
|
| - return desc.str();
|
| -}
|
| -
|
| -// We need to check the local/remote description for the Transport instead of
|
| -// the session, because a new Transport added during renegotiation may have
|
| -// them unset while the session has them set from the previous negotiation.
|
| -// Not doing so may trigger the auto generation of transport description and
|
| -// mess up DTLS identity information, ICE credential, etc.
|
| -bool WebRtcSession::ReadyToUseRemoteCandidate(
|
| - const IceCandidateInterface* candidate,
|
| - const SessionDescriptionInterface* remote_desc,
|
| - bool* valid) {
|
| - *valid = true;
|
| -
|
| - const SessionDescriptionInterface* current_remote_desc =
|
| - remote_desc ? remote_desc : remote_description();
|
| -
|
| - if (!current_remote_desc) {
|
| - return false;
|
| - }
|
| -
|
| - size_t mediacontent_index =
|
| - static_cast<size_t>(candidate->sdp_mline_index());
|
| - size_t remote_content_size =
|
| - current_remote_desc->description()->contents().size();
|
| - if (mediacontent_index >= remote_content_size) {
|
| - LOG(LS_ERROR) << "ReadyToUseRemoteCandidate: Invalid candidate media index "
|
| - << mediacontent_index;
|
| -
|
| - *valid = false;
|
| - return false;
|
| - }
|
| -
|
| - cricket::ContentInfo content =
|
| - current_remote_desc->description()->contents()[mediacontent_index];
|
| -
|
| - const std::string transport_name = GetTransportName(content.name);
|
| - if (transport_name.empty()) {
|
| - return false;
|
| - }
|
| - return transport_controller_->ReadyForRemoteCandidates(transport_name);
|
| -}
|
| -
|
| -bool WebRtcSession::SrtpRequired() const {
|
| - return dtls_enabled_ ||
|
| - webrtc_session_desc_factory_->SdesPolicy() == cricket::SEC_REQUIRED;
|
| -}
|
| -
|
| -void WebRtcSession::OnTransportControllerGatheringState(
|
| - cricket::IceGatheringState state) {
|
| - RTC_DCHECK(signaling_thread()->IsCurrent());
|
| - if (state == cricket::kIceGatheringGathering) {
|
| - if (ice_observer_) {
|
| - ice_observer_->OnIceGatheringChange(
|
| - PeerConnectionInterface::kIceGatheringGathering);
|
| - }
|
| - } else if (state == cricket::kIceGatheringComplete) {
|
| - if (ice_observer_) {
|
| - ice_observer_->OnIceGatheringChange(
|
| - PeerConnectionInterface::kIceGatheringComplete);
|
| - }
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::ReportTransportStats() {
|
| - // Use a set so we don't report the same stats twice if two channels share
|
| - // a transport.
|
| - std::set<std::string> transport_names;
|
| - if (voice_channel()) {
|
| - transport_names.insert(voice_channel()->transport_name());
|
| - }
|
| - if (video_channel()) {
|
| - transport_names.insert(video_channel()->transport_name());
|
| - }
|
| - if (rtp_data_channel()) {
|
| - transport_names.insert(rtp_data_channel()->transport_name());
|
| - }
|
| - if (sctp_transport_name_) {
|
| - transport_names.insert(*sctp_transport_name_);
|
| - }
|
| - for (const auto& name : transport_names) {
|
| - cricket::TransportStats stats;
|
| - if (transport_controller_->GetStats(name, &stats)) {
|
| - ReportBestConnectionState(stats);
|
| - ReportNegotiatedCiphers(stats);
|
| - }
|
| - }
|
| -}
|
| -// Walk through the ConnectionInfos to gather best connection usage
|
| -// for IPv4 and IPv6.
|
| -void WebRtcSession::ReportBestConnectionState(
|
| - const cricket::TransportStats& stats) {
|
| - RTC_DCHECK(metrics_observer_ != NULL);
|
| - for (cricket::TransportChannelStatsList::const_iterator it =
|
| - stats.channel_stats.begin();
|
| - it != stats.channel_stats.end(); ++it) {
|
| - for (cricket::ConnectionInfos::const_iterator it_info =
|
| - it->connection_infos.begin();
|
| - it_info != it->connection_infos.end(); ++it_info) {
|
| - if (!it_info->best_connection) {
|
| - continue;
|
| - }
|
| -
|
| - PeerConnectionEnumCounterType type = kPeerConnectionEnumCounterMax;
|
| - const cricket::Candidate& local = it_info->local_candidate;
|
| - const cricket::Candidate& remote = it_info->remote_candidate;
|
| -
|
| - // Increment the counter for IceCandidatePairType.
|
| - if (local.protocol() == cricket::TCP_PROTOCOL_NAME ||
|
| - (local.type() == RELAY_PORT_TYPE &&
|
| - local.relay_protocol() == cricket::TCP_PROTOCOL_NAME)) {
|
| - type = kEnumCounterIceCandidatePairTypeTcp;
|
| - } else if (local.protocol() == cricket::UDP_PROTOCOL_NAME) {
|
| - type = kEnumCounterIceCandidatePairTypeUdp;
|
| - } else {
|
| - RTC_CHECK(0);
|
| - }
|
| - metrics_observer_->IncrementEnumCounter(
|
| - type, GetIceCandidatePairCounter(local, remote),
|
| - kIceCandidatePairMax);
|
| -
|
| - // Increment the counter for IP type.
|
| - if (local.address().family() == AF_INET) {
|
| - metrics_observer_->IncrementEnumCounter(
|
| - kEnumCounterAddressFamily, kBestConnections_IPv4,
|
| - kPeerConnectionAddressFamilyCounter_Max);
|
| -
|
| - } else if (local.address().family() == AF_INET6) {
|
| - metrics_observer_->IncrementEnumCounter(
|
| - kEnumCounterAddressFamily, kBestConnections_IPv6,
|
| - kPeerConnectionAddressFamilyCounter_Max);
|
| - } else {
|
| - RTC_CHECK(0);
|
| - }
|
| -
|
| - return;
|
| - }
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::ReportNegotiatedCiphers(
|
| - const cricket::TransportStats& stats) {
|
| - RTC_DCHECK(metrics_observer_ != NULL);
|
| - if (!dtls_enabled_ || stats.channel_stats.empty()) {
|
| - return;
|
| - }
|
| -
|
| - int srtp_crypto_suite = stats.channel_stats[0].srtp_crypto_suite;
|
| - int ssl_cipher_suite = stats.channel_stats[0].ssl_cipher_suite;
|
| - if (srtp_crypto_suite == rtc::SRTP_INVALID_CRYPTO_SUITE &&
|
| - ssl_cipher_suite == rtc::TLS_NULL_WITH_NULL_NULL) {
|
| - return;
|
| - }
|
| -
|
| - PeerConnectionEnumCounterType srtp_counter_type;
|
| - PeerConnectionEnumCounterType ssl_counter_type;
|
| - if (stats.transport_name == cricket::CN_AUDIO) {
|
| - srtp_counter_type = kEnumCounterAudioSrtpCipher;
|
| - ssl_counter_type = kEnumCounterAudioSslCipher;
|
| - } else if (stats.transport_name == cricket::CN_VIDEO) {
|
| - srtp_counter_type = kEnumCounterVideoSrtpCipher;
|
| - ssl_counter_type = kEnumCounterVideoSslCipher;
|
| - } else if (stats.transport_name == cricket::CN_DATA) {
|
| - srtp_counter_type = kEnumCounterDataSrtpCipher;
|
| - ssl_counter_type = kEnumCounterDataSslCipher;
|
| - } else {
|
| - RTC_NOTREACHED();
|
| - return;
|
| - }
|
| -
|
| - if (srtp_crypto_suite != rtc::SRTP_INVALID_CRYPTO_SUITE) {
|
| - metrics_observer_->IncrementSparseEnumCounter(srtp_counter_type,
|
| - srtp_crypto_suite);
|
| - }
|
| - if (ssl_cipher_suite != rtc::TLS_NULL_WITH_NULL_NULL) {
|
| - metrics_observer_->IncrementSparseEnumCounter(ssl_counter_type,
|
| - ssl_cipher_suite);
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::OnSentPacket_w(const rtc::SentPacket& sent_packet) {
|
| - RTC_DCHECK(worker_thread()->IsCurrent());
|
| - media_controller_->call_w()->OnSentPacket(sent_packet);
|
| -}
|
| -
|
| -const std::string WebRtcSession::GetTransportName(
|
| - const std::string& content_name) {
|
| - cricket::BaseChannel* channel = GetChannel(content_name);
|
| - if (!channel) {
|
| -#ifdef HAVE_QUIC
|
| - if (data_channel_type_ == cricket::DCT_QUIC && quic_data_transport_ &&
|
| - content_name == quic_data_transport_->transport_name()) {
|
| - return quic_data_transport_->transport_name();
|
| - }
|
| -#endif
|
| - if (sctp_transport_) {
|
| - RTC_DCHECK(sctp_content_name_);
|
| - RTC_DCHECK(sctp_transport_name_);
|
| - if (content_name == *sctp_content_name_) {
|
| - return *sctp_transport_name_;
|
| - }
|
| - }
|
| - // Return an empty string if failed to retrieve the transport name.
|
| - return "";
|
| - }
|
| - return channel->transport_name();
|
| -}
|
| -
|
| -void WebRtcSession::DestroyRtcpTransport_n(const std::string& transport_name) {
|
| - RTC_DCHECK(network_thread()->IsCurrent());
|
| - transport_controller_->DestroyDtlsTransport_n(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTCP);
|
| -}
|
| -
|
| -void WebRtcSession::DestroyVideoChannel() {
|
| - SignalVideoChannelDestroyed();
|
| - RTC_DCHECK(video_channel_->rtp_dtls_transport());
|
| - std::string transport_name;
|
| - transport_name = video_channel_->rtp_dtls_transport()->transport_name();
|
| - bool need_to_delete_rtcp = (video_channel_->rtcp_dtls_transport() != nullptr);
|
| - channel_manager_->DestroyVideoChannel(video_channel_.release());
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - if (need_to_delete_rtcp) {
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTCP);
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::DestroyVoiceChannel() {
|
| - SignalVoiceChannelDestroyed();
|
| - RTC_DCHECK(voice_channel_->rtp_dtls_transport());
|
| - std::string transport_name;
|
| - transport_name = voice_channel_->rtp_dtls_transport()->transport_name();
|
| - bool need_to_delete_rtcp = (voice_channel_->rtcp_dtls_transport() != nullptr);
|
| - channel_manager_->DestroyVoiceChannel(voice_channel_.release());
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - if (need_to_delete_rtcp) {
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTCP);
|
| - }
|
| -}
|
| -
|
| -void WebRtcSession::DestroyDataChannel() {
|
| - SignalDataChannelDestroyed();
|
| - RTC_DCHECK(rtp_data_channel_->rtp_dtls_transport());
|
| - std::string transport_name;
|
| - transport_name = rtp_data_channel_->rtp_dtls_transport()->transport_name();
|
| - bool need_to_delete_rtcp =
|
| - (rtp_data_channel_->rtcp_dtls_transport() != nullptr);
|
| - channel_manager_->DestroyRtpDataChannel(rtp_data_channel_.release());
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP);
|
| - if (need_to_delete_rtcp) {
|
| - transport_controller_->DestroyDtlsTransport(
|
| - transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTCP);
|
| - }
|
| -}
|
| -} // namespace webrtc
|
|
|
Chromium Code Reviews
Issue 2514883002:
Create //webrtc/api:libjingle_peerconnection_api + refactorings. (Closed)
