private async Task GetIceCandidatesAsync()
{
var localIPAddresses = _offerAddresses ?? NetServices.GetAllLocalIPAddresses();
IceNegotiationStartedAt = DateTime.Now;
LocalIceCandidates = new List <IceCandidate>();
foreach (var address in localIPAddresses.Where(x => x.AddressFamily == _rtpChannel.RTPLocalEndPoint.AddressFamily))
{
var iceCandidate = new IceCandidate(address, _rtpChannel.RTPPort);
if (_turnServerEndPoint != null)
{
iceCandidate.TurnServer = new TurnServer()
{
ServerEndPoint = _turnServerEndPoint
};
iceCandidate.InitialStunBindingCheck = SendTurnServerBindingRequest(iceCandidate);
}
LocalIceCandidates.Add(iceCandidate);
}
await Task.WhenAll(LocalIceCandidates.Where(x => x.InitialStunBindingCheck != null).Select(x => x.InitialStunBindingCheck));
}
/// <summary>
/// Attempts to get a list of local ICE candidates.
/// </summary>
private async Task GetIceCandidatesAsync()
{
// The media is being multiplexed so the audio and video RTP channel is the same.
var rtpChannel = GetRtpChannel(SDPMediaTypesEnum.audio);
if (rtpChannel == null)
{
throw new ApplicationException("Cannot start gathering ICE candidates without an RTP channel.");
}
else
{
var localIPAddresses = _offerAddresses ?? NetServices.GetAllLocalIPAddresses();
IceNegotiationStartedAt = DateTime.Now;
LocalIceCandidates = new List <IceCandidate>();
foreach (var address in localIPAddresses.Where(x => x.AddressFamily == rtpChannel.RTPLocalEndPoint.AddressFamily))
{
var iceCandidate = new IceCandidate(address, rtpChannel.RTPPort);
if (_turnServerEndPoint != null)
{
iceCandidate.TurnServer = new TurnServer()
{
ServerEndPoint = _turnServerEndPoint
};
iceCandidate.InitialStunBindingCheck = SendTurnServerBindingRequest(iceCandidate);
}
LocalIceCandidates.Add(iceCandidate);
}
await Task.WhenAll(LocalIceCandidates.Where(x => x.InitialStunBindingCheck != null).Select(x => x.InitialStunBindingCheck)).ConfigureAwait(false);
}
}
static SIPChannel()
{
LocalIPAddresses = NetServices.GetAllLocalIPAddresses();
// When using IPAddress.Any a default end point is still needed for placing in SIP headers and payloads.
// Using 0.0.0.0 in SIP headers causes issues for some SIP software stacks.
InternetDefaultAddress = NetServices.GetLocalAddressForInternet();
}
public void GetAllLocalIPAddressesUnitTest()
{
Console.WriteLine(System.Reflection.MethodBase.GetCurrentMethod().Name);
var localAddresses = NetServices.GetAllLocalIPAddresses();
Assert.NotNull(localAddresses);
foreach (var localAddress in localAddresses)
{
Console.WriteLine($"Local address {localAddress}.");
}
}
public void GetAllLocalIPAddressesUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
var localAddresses = NetServices.GetAllLocalIPAddresses();
Assert.NotNull(localAddresses);
foreach (var localAddress in localAddresses)
{
logger.LogDebug($"Local address {localAddress}.");
}
}