public override void NotifyAlertReceived(byte alertLevel, byte alertDescription)
{
string description = AlertDescription.GetText(alertDescription);
AlertLevelsEnum level = AlertLevelsEnum.Warning;
AlertTypesEnum alertType = AlertTypesEnum.unknown;
if (Enum.IsDefined(typeof(AlertLevelsEnum), alertLevel))
{
level = (AlertLevelsEnum)alertLevel;
}
if (Enum.IsDefined(typeof(AlertTypesEnum), alertDescription))
{
alertType = (AlertTypesEnum)alertDescription;
}
string alertMsg = $"{AlertLevel.GetText(alertLevel)}";
alertMsg += (!string.IsNullOrEmpty(description)) ? $", {description}." : ".";
if (alertType == AlertTypesEnum.close_notify)
{
logger.LogDebug($"DTLS server received close notification: {alertMsg}");
}
else
{
logger.LogWarning($"DTLS server received unexpected alert: {alertMsg}");
}
OnAlert?.Invoke(level, alertType, description);
}
public override void NotifyAlertReceived(byte alertLevel, byte alertDescription)
{
string description = AlertDescription.GetText(alertDescription);
AlertLevelsEnum level = AlertLevelsEnum.Warning;
AlertTypesEnum alertType = AlertTypesEnum.unknown;
if (Enum.IsDefined(typeof(AlertLevelsEnum), alertLevel))
{
level = (AlertLevelsEnum)alertLevel;
}
if (Enum.IsDefined(typeof(AlertTypesEnum), alertDescription))
{
alertType = (AlertTypesEnum)alertDescription;
}
if (alertType == AlertTypesEnum.close_notify)
{
logger.LogDebug(
$"DTLS client received close notification: {AlertLevel.GetText(alertLevel)}, {description}.");
}
else
{
logger.LogWarning(
$"DTLS client received unexpected alert: {AlertLevel.GetText(alertLevel)}, {description}.");
}
OnAlert?.Invoke(level, alertType, description);
}
public override void NotifyAlertReceived(byte alertLevel, byte alertDescription)
{
TextWriter output = (alertLevel == AlertLevel.fatal) ? Console.Error : Console.Out;
output.WriteLine("TLS-PSK client received alert: " + AlertLevel.GetText(alertLevel)
+ ", " + AlertDescription.GetText(alertDescription));
}
public override void NotifyAlertRaised(byte alertLevel, byte alertDescription, string message, Exception cause)
{
string description = null;
if (message != null)
{
description += message;
}
if (cause != null)
{
description += cause;
}
string alertMessage = $"{AlertLevel.GetText(alertLevel)}, {AlertDescription.GetText(alertDescription)}";
alertMessage += !string.IsNullOrEmpty(description) ? $", {description}." : ".";
if (alertDescription == AlertTypesEnum.close_notify.GetHashCode())
{
logger.LogDebug($"DTLS client raised close notification: {alertMessage}");
}
else
{
logger.LogWarning($"DTLS client raised unexpected alert: {alertMessage}");
}
}
public override void NotifyAlertRaised(byte alertLevel, byte alertDescription, string message, Exception cause)
{
TextWriter output = (alertLevel == AlertLevel.fatal) ? Console.Error : Console.Out;
output.WriteLine("TLS-PSK client raised alert: " + AlertLevel.GetText(alertLevel)
+ ", " + AlertDescription.GetText(alertDescription));
if (message != null)
{
output.WriteLine("> " + message);
}
if (cause != null)
{
output.WriteLine(cause);
}
}
public override void NotifyAlertReceived(byte alertLevel, byte alertDescription)
{
if (alertLevel == AlertLevel.fatal && firstFatalAlertConnectionEnd == -1)
{
firstFatalAlertConnectionEnd = ConnectionEnd.server;
firstFatalAlertDescription = alertDescription;
}
if (TlsTestConfig.DEBUG)
{
TextWriter output = (alertLevel == AlertLevel.fatal) ? Console.Error : Console.Out;
output.WriteLine("TLS client received alert: " + AlertLevel.GetText(alertLevel)
+ ", " + AlertDescription.GetText(alertDescription));
}
}
public async Task ConnectAsync(CoapTransportLayerConnectOptions connectOptions, CancellationToken cancellationToken)
{
if (connectOptions == null)
{
throw new ArgumentNullException(nameof(connectOptions));
}
cancellationToken.ThrowIfCancellationRequested();
try
{
_udpTransport = new UdpTransport(connectOptions);
var clientProtocol = new DtlsClientProtocol(_secureRandom);
_dtlsClient = new DtlsClient(ConvertProtocolVersion(DtlsVersion), (PreSharedKey)Credentials);
using (cancellationToken.Register(() =>
{
_udpTransport.Close();
}))
{
_dtlsTransport = await Task.Run(() => clientProtocol.Connect(_dtlsClient, _udpTransport), cancellationToken).ConfigureAwait(false);
}
}
catch
{
_udpTransport?.Dispose();
if (cancellationToken.IsCancellationRequested)
{
throw new OperationCanceledException();
}
if (_dtlsClient.ReceivedAlert != 0)
{
throw new DtlsException($"Received alert {AlertDescription.GetText(_dtlsClient.ReceivedAlert)}.", null)
{
ReceivedAlert = _dtlsClient.ReceivedAlert
};
}
throw;
}
}
public override void NotifyAlertRaised(byte alertLevel, byte alertDescription, string message, Exception cause)
{
if (alertLevel == AlertLevel.fatal && firstFatalAlertConnectionEnd == -1)
{
firstFatalAlertConnectionEnd = ConnectionEnd.client;
firstFatalAlertDescription = alertDescription;
}
if (TlsTestConfig.DEBUG)
{
TextWriter output = (alertLevel == AlertLevel.fatal) ? Console.Error : Console.Out;
output.WriteLine("TLS client raised alert: " + AlertLevel.GetText(alertLevel)
+ ", " + AlertDescription.GetText(alertDescription));
if (message != null)
{
output.WriteLine("> " + message);
}
if (cause != null)
{
output.WriteLine(cause);
}
}
}
public override void NotifyAlertRaised(byte alertLevel, byte alertDescription, string message, Exception cause)
{
string description = null;
if (message != null)
{
description += message;
}
if (cause != null)
{
description += cause;
}
if (alertDescription == AlertTypesEnum.close_notify.GetHashCode())
{
logger.LogDebug(
$"DTLS client raised close notify: {AlertLevel.GetText(alertLevel)}, {AlertDescription.GetText(alertDescription)}, {description}.");
}
else
{
logger.LogWarning(
$"DTLS client raised unexpected alert: {AlertLevel.GetText(alertLevel)}, {AlertDescription.GetText(alertDescription)}, {description}.");
}
}
public override void NotifyAlertReceived(byte alertLevel, byte alertDescription)
{
logger.LogWarning($"DTLS client received alert: {AlertLevel.GetText(alertLevel)}, {AlertDescription.GetText(alertDescription)}.");
}
public override void NotifyAlertRaised(byte alertLevel, byte alertDescription, string message, Exception cause)
{
string description = null;
if (message != null)
{
description += message;
}
if (cause != null)
{
description += cause;
}
logger.LogWarning($"DTLS client raised alert: {AlertLevel.GetText(alertLevel)}, {AlertDescription.GetText(alertDescription)}, {description}.");
}