bool
SdpHelper::IsBundleSlave(const Sdp& sdp, uint16_t level)
{
auto& msection = sdp.GetMediaSection(level);
if (!msection.GetAttributeList().HasAttribute(SdpAttribute::kMidAttribute)) {
// No mid, definitely no bundle for this m-section
return false;
}
std::string mid(msection.GetAttributeList().GetMid());
BundledMids bundledMids;
nsresult rv = GetBundledMids(sdp, &bundledMids);
if (NS_FAILED(rv)) {
// Should have been caught sooner.
MOZ_ASSERT(false);
return false;
}
if (bundledMids.count(mid) && level != bundledMids[mid]->GetLevel()) {
// mid is bundled, and isn't the bundle m-section
return true;
}
return false;
}
void
SdpHelper::SetDefaultAddresses(const std::string& defaultCandidateAddr,
uint16_t defaultCandidatePort,
const std::string& defaultRtcpCandidateAddr,
uint16_t defaultRtcpCandidatePort,
Sdp* sdp,
uint16_t level,
BundledMids bundledMids)
{
SdpMediaSection& msection = sdp->GetMediaSection(level);
if (msection.GetAttributeList().HasAttribute(SdpAttribute::kMidAttribute)) {
std::string mid(msection.GetAttributeList().GetMid());
if (bundledMids.count(mid)) {
const SdpMediaSection* masterBundleMsection(bundledMids[mid]);
if (msection.GetLevel() != masterBundleMsection->GetLevel()) {
// Slave bundle m-section. Skip.
return;
}
// Master bundle m-section. Set defaultCandidateAddr and
// defaultCandidatePort on all bundled m-sections.
for (auto i = bundledMids.begin(); i != bundledMids.end(); ++i) {
if (i->second != masterBundleMsection) {
continue;
}
SdpMediaSection* bundledMsection = FindMsectionByMid(*sdp, i->first);
if (!bundledMsection) {
MOZ_ASSERT(false);
continue;
}
SetDefaultAddresses(defaultCandidateAddr,
defaultCandidatePort,
defaultRtcpCandidateAddr,
defaultRtcpCandidatePort,
bundledMsection);
}
}
}
SetDefaultAddresses(defaultCandidateAddr,
defaultCandidatePort,
defaultRtcpCandidateAddr,
defaultRtcpCandidatePort,
&msection);
// TODO(bug 1095793): Will this have an mid someday?
SdpAttributeList& attrs = msection.GetAttributeList();
attrs.SetAttribute(
new SdpFlagAttribute(SdpAttribute::kEndOfCandidatesAttribute));
// Remove trickle-ice option
attrs.RemoveAttribute(SdpAttribute::kIceOptionsAttribute);
}