nsresult
PeerConnectionMedia::ActivateOrRemoveTransports(const JsepSession& aSession,
const bool forceIceTcp)
{
for (const auto& transceiver : aSession.GetTransceivers()) {
if (!transceiver->HasLevel()) {
continue;
}
std::string ufrag;
std::string pwd;
std::vector<std::string> candidates;
size_t components = 0;
RefPtr<JsepTransport> transport = transceiver->mTransport;
unsigned level = transceiver->GetLevel();
if (transport->mComponents &&
(!transceiver->HasBundleLevel() ||
(transceiver->BundleLevel() == level))) {
CSFLogDebug(LOGTAG, "ACTIVATING TRANSPORT! - PC %s: level=%u components=%u",
mParentHandle.c_str(), (unsigned)level,
(unsigned)transport->mComponents);
ufrag = transport->mIce->GetUfrag();
pwd = transport->mIce->GetPassword();
candidates = transport->mIce->GetCandidates();
components = transport->mComponents;
if (forceIceTcp) {
candidates.erase(std::remove_if(candidates.begin(),
candidates.end(),
[](const std::string & s) {
return s.find(" UDP ") != std::string::npos ||
s.find(" udp ") != std::string::npos; }),
candidates.end());
}
}
RUN_ON_THREAD(
GetSTSThread(),
WrapRunnable(RefPtr<PeerConnectionMedia>(this),
&PeerConnectionMedia::ActivateOrRemoveTransport_s,
transceiver->GetLevel(),
components,
ufrag,
pwd,
candidates),
NS_DISPATCH_NORMAL);
}
// We can have more streams than m-lines due to rollback.
RUN_ON_THREAD(
GetSTSThread(),
WrapRunnable(RefPtr<PeerConnectionMedia>(this),
&PeerConnectionMedia::RemoveTransportsAtOrAfter_s,
aSession.GetTransceivers().size()),
NS_DISPATCH_NORMAL);
return NS_OK;
}
void
PeerConnectionMedia::StartIceChecks(const JsepSession& session) {
std::vector<size_t> numComponentsByLevel;
auto transports = session.GetTransports();
for (size_t i = 0; i < transports.size(); ++i) {
RefPtr<JsepTransport> transport = transports[i];
if (transport->mState == JsepTransport::kJsepTransportClosed) {
CSFLogDebug(logTag, "Transport %s is disabled",
transport->mTransportId.c_str());
numComponentsByLevel.push_back(0);
// Make sure the MediaPipelineFactory doesn't try to use these.
RemoveTransportFlow(i, false);
RemoveTransportFlow(i, true);
} else {
CSFLogDebug(logTag, "Transport %s has %u components",
transport->mTransportId.c_str(),
static_cast<unsigned>(transport->mComponents));
numComponentsByLevel.push_back(transport->mComponents);
}
}
nsCOMPtr<nsIRunnable> runnable(
WrapRunnable(
RefPtr<PeerConnectionMedia>(this),
&PeerConnectionMedia::StartIceChecks_s,
session.IsIceControlling(),
session.RemoteIsIceLite(),
// Copy, just in case API changes to return a ref
std::vector<std::string>(session.GetIceOptions()),
numComponentsByLevel));
PerformOrEnqueueIceCtxOperation(runnable);
}
void
PeerConnectionMedia::StartIceChecks(const JsepSession& aSession)
{
nsCOMPtr<nsIRunnable> runnable(
WrapRunnable(
RefPtr<PeerConnectionMedia>(this),
&PeerConnectionMedia::StartIceChecks_s,
aSession.IsIceControlling(),
aSession.RemoteIsIceLite(),
// Copy, just in case API changes to return a ref
std::vector<std::string>(aSession.GetIceOptions())));
PerformOrEnqueueIceCtxOperation(runnable);
}
nsresult PeerConnectionMedia::UpdateMediaPipelines(
const JsepSession& session) {
auto trackPairs = session.GetNegotiatedTrackPairs();
MediaPipelineFactory factory(this);
nsresult rv;
for (auto i = trackPairs.begin(); i != trackPairs.end(); ++i) {
JsepTrackPair pair = *i;
if (pair.mReceiving) {
rv = factory.CreateOrUpdateMediaPipeline(pair, *pair.mReceiving);
if (NS_FAILED(rv)) {
return rv;
}
}
if (pair.mSending) {
rv = factory.CreateOrUpdateMediaPipeline(pair, *pair.mSending);
if (NS_FAILED(rv)) {
return rv;
}
}
}
for (auto& stream : mRemoteSourceStreams) {
stream->StartReceiving();
}
return NS_OK;
}
nsresult
PeerConnectionMedia::UpdateTransceiverTransports(const JsepSession& aSession)
{
for (const auto& transceiver : aSession.GetTransceivers()) {
nsresult rv = UpdateTransportFlows(*transceiver);
if (NS_FAILED(rv)) {
return rv;
}
}
for (const auto& transceiverImpl : mTransceivers) {
transceiverImpl->UpdateTransport(*this);
}
return NS_OK;
}
void
PeerConnectionMedia::EnsureTransports(const JsepSession& aSession)
{
auto transports = aSession.GetTransports();
for (size_t i = 0; i < transports.size(); ++i) {
RefPtr<JsepTransport> transport = transports[i];
RUN_ON_THREAD(
GetSTSThread(),
WrapRunnable(RefPtr<PeerConnectionMedia>(this),
&PeerConnectionMedia::EnsureTransport_s,
i,
transport->mComponents),
NS_DISPATCH_NORMAL);
}
GatherIfReady();
}
void
PeerConnectionMedia::ActivateOrRemoveTransports(const JsepSession& aSession)
{
auto transports = aSession.GetTransports();
for (size_t i = 0; i < transports.size(); ++i) {
RefPtr<JsepTransport> transport = transports[i];
std::string ufrag;
std::string pwd;
std::vector<std::string> candidates;
if (transport->mComponents) {
MOZ_ASSERT(transport->mIce);
CSFLogDebug(logTag, "Transport %u is active", static_cast<unsigned>(i));
ufrag = transport->mIce->GetUfrag();
pwd = transport->mIce->GetPassword();
candidates = transport->mIce->GetCandidates();
} else {
CSFLogDebug(logTag, "Transport %u is disabled", static_cast<unsigned>(i));
// Make sure the MediaPipelineFactory doesn't try to use these.
RemoveTransportFlow(i, false);
RemoveTransportFlow(i, true);
}
RUN_ON_THREAD(
GetSTSThread(),
WrapRunnable(RefPtr<PeerConnectionMedia>(this),
&PeerConnectionMedia::ActivateOrRemoveTransport_s,
i,
transport->mComponents,
ufrag,
pwd,
candidates),
NS_DISPATCH_NORMAL);
}
// We can have more streams than m-lines due to rollback.
RUN_ON_THREAD(
GetSTSThread(),
WrapRunnable(RefPtr<PeerConnectionMedia>(this),
&PeerConnectionMedia::RemoveTransportsAtOrAfter_s,
transports.size()),
NS_DISPATCH_NORMAL);
}
void
PeerConnectionMedia::EnsureTransports(const JsepSession& aSession)
{
for (const auto& transceiver : aSession.GetTransceivers()) {
if (!transceiver->HasLevel()) {
continue;
}
RefPtr<JsepTransport> transport = transceiver->mTransport;
RUN_ON_THREAD(
GetSTSThread(),
WrapRunnable(RefPtr<PeerConnectionMedia>(this),
&PeerConnectionMedia::EnsureTransport_s,
transceiver->GetLevel(),
transport->mComponents),
NS_DISPATCH_NORMAL);
}
GatherIfReady();
}
void
PeerConnectionMedia::UpdateTransports(const JsepSession& session,
bool restartGathering) {
auto transports = session.GetTransports();
for (size_t i = 0; i < transports.size(); ++i) {
RefPtr<JsepTransport> transport = transports[i];
std::string ufrag;
std::string pwd;
std::vector<std::string> candidates;
bool hasAttrs = false;
if (transport->mIce) {
CSFLogDebug(logTag, "Transport %u is active",
static_cast<unsigned>(i));
hasAttrs = true;
ufrag = transport->mIce->GetUfrag();
pwd = transport->mIce->GetPassword();
candidates = transport->mIce->GetCandidates();
}
// Update the transport.
RUN_ON_THREAD(GetSTSThread(),
WrapRunnable(RefPtr<PeerConnectionMedia>(this),
&PeerConnectionMedia::UpdateIceMediaStream_s,
i,
transport->mComponents,
hasAttrs,
ufrag,
pwd,
candidates),
NS_DISPATCH_NORMAL);
}
if (restartGathering) {
GatherIfReady();
}
}