protected override void HandleBeforeHandshakeCompletesException(Exception ex)
{
if (ex is not MongoConnectionException connectionException)
{
// non connection exception
return;
}
var(invalidateAndClear, cancelCheck) = ex switch
{
MongoAuthenticationException => (invalidateAndClear : true, cancelCheck : false),
_ => (invalidateAndClear : connectionException.IsNetworkException || connectionException.ContainsTimeoutException,
cancelCheck : connectionException.IsNetworkException && !connectionException.ContainsTimeoutException)
};
if (invalidateAndClear)
{
lock (_monitor.Lock)
{
if (connectionException.Generation != null && connectionException.Generation != ConnectionPool.Generation)
{
// stale generation number
return;
}
if (cancelCheck)
{
_monitor.CancelCurrentCheck();
}
Invalidate($"ChannelException during handshake: {ex}.", clearConnectionPool: true, topologyVersion: null);
}
}
}
protected override void HandleBeforeHandshakeCompletesException(Exception ex)
{
if (ex is MongoAuthenticationException)
{
ConnectionPool.Clear();
return;
}
if (ex is MongoConnectionException mongoConnectionException)
{
lock (_monitor.Lock)
{
if (mongoConnectionException.Generation != null &&
mongoConnectionException.Generation != ConnectionPool.Generation)
{
return; // stale generation number
}
if (mongoConnectionException.IsNetworkException &&
!mongoConnectionException.ContainsTimeoutException)
{
_monitor.CancelCurrentCheck();
}
if (mongoConnectionException.IsNetworkException || mongoConnectionException.ContainsTimeoutException)
{
Invalidate($"ChannelException during handshake: {ex}.", clearConnectionPool: true, topologyVersion: null);
}
}
}
}
