internal void GotStunResponse(STUNMessage stunResponse, IPEndPoint remoteEndPoint)
{
if (stunResponse.Header.MessageType == STUNMessageTypesEnum.BindingSuccessResponse)
{
State = ChecklistEntryState.Succeeded;
ChecksSent = 0;
LastCheckSentAt = DateTime.MinValue;
}
else if (stunResponse.Header.MessageType == STUNMessageTypesEnum.BindingErrorResponse)
{
logger.LogWarning($"ICE RTP channel a STUN binding error response was received from {remoteEndPoint}.");
logger.LogWarning($"ICE RTP channel check list entry set to failed: {RemoteCandidate}");
State = ChecklistEntryState.Failed;
}
else if (stunResponse.Header.MessageType == STUNMessageTypesEnum.CreatePermissionSuccessResponse)
{
logger.LogDebug($"A TURN Create Permission success response was received from {remoteEndPoint} (TxID: {Encoding.ASCII.GetString(stunResponse.Header.TransactionId)}).");
TurnPermissionsResponseAt = DateTime.Now;
}
else if (stunResponse.Header.MessageType == STUNMessageTypesEnum.CreatePermissionErrorResponse)
{
logger.LogWarning($"ICE RTP channel TURN Create Permission error response was received from {remoteEndPoint}.");
TurnPermissionsResponseAt = DateTime.Now;
State = ChecklistEntryState.Failed;
}
else
{
logger.LogWarning($"ICE RTP channel received an unexpected STUN response {stunResponse.Header.MessageType} from {remoteEndPoint}.");
}
}
internal void GotStunResponse(STUNMessage stunResponse, IPEndPoint remoteEndPoint)
{
if (stunResponse.Header.MessageType == STUNMessageTypesEnum.BindingSuccessResponse)
{
if (Nominated)
{
// If the candidate has been nominated then this is a response to a periodic
// check to whether the connection is still available.
LastConnectedResponseAt = DateTime.Now;
RequestTransactionID = Crypto.GetRandomString(STUNHeader.TRANSACTION_ID_LENGTH);
}
else
{
State = ChecklistEntryState.Succeeded;
ChecksSent = 0;
LastCheckSentAt = DateTime.MinValue;
}
}
else if (stunResponse.Header.MessageType == STUNMessageTypesEnum.BindingErrorResponse)
{
logger.LogWarning($"ICE RTP channel a STUN binding error response was received from {remoteEndPoint}.");
logger.LogWarning($"ICE RTP channel check list entry set to failed: {RemoteCandidate}");
State = ChecklistEntryState.Failed;
}
else if (stunResponse.Header.MessageType == STUNMessageTypesEnum.CreatePermissionSuccessResponse)
{
logger.LogDebug($"A TURN Create Permission success response was received from {remoteEndPoint} (TxID: {Encoding.ASCII.GetString(stunResponse.Header.TransactionId)}).");
TurnPermissionsResponseAt = DateTime.Now;
}
else if (stunResponse.Header.MessageType == STUNMessageTypesEnum.CreatePermissionErrorResponse)
{
logger.LogWarning($"ICE RTP channel TURN Create Permission error response was received from {remoteEndPoint}.");
TurnPermissionsResponseAt = DateTime.Now;
State = ChecklistEntryState.Failed;
}
else
{
logger.LogWarning($"ICE RTP channel received an unexpected STUN response {stunResponse.Header.MessageType} from {remoteEndPoint}.");
}
}