bool
BackgroundParentImpl::RecvPUDPSocketConstructor(PUDPSocketParent* aActor,
const OptionalPrincipalInfo& aOptionalPrincipal,
const nsCString& aFilter)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
if (aOptionalPrincipal.type() == OptionalPrincipalInfo::TPrincipalInfo) {
// Support for checking principals (for non-mtransport use) will be handled in
// bug 1167039
return false;
}
// No principal - This must be from mtransport (WebRTC/ICE) - We'd want
// to DispatchToMainThread() here, but if we do we must block RecvBind()
// until Init() gets run. Since we don't have a principal, and we verify
// we have a filter, we can safely skip the Dispatch and just invoke Init()
// to install the filter.
// For mtransport, this will always be "stun", which doesn't allow outbound packets if
// they aren't STUN packets until a STUN response is seen.
if (!aFilter.EqualsASCII("stun")) {
return false;
}
IPC::Principal principal;
if (!static_cast<UDPSocketParent*>(aActor)->Init(principal, aFilter)) {
MOZ_CRASH("UDPSocketCallback - failed init");
}
return true;
}
