public unsafe override WritableBufferAwaitable WriteAlert(AlertException alert)
{
ushort data = 0;
var span = new Span <byte>(&data, 2);
span[0] = (byte)alert.Level;
span[1] = (byte)alert.Description;
var recordHeader = new RecordHeader()
{
RecordType = RecordType.Alert,
Length = (ushort)span.Length,
Version = _recordVersion
};
if (_connection?.WriteKey != null)
{
recordHeader.Length += (ushort)(8 + _connection.WriteKey.Overhead);
}
var writer = _output.Alloc(sizeof(RecordHeader));
writer.Buffer.Span.Write(recordHeader);
writer.Advance(sizeof(RecordHeader));
if (_connection?.WriteKey != null)
{
_connection.WriteKey.Encrypt(ref writer, span, RecordType.Alert, _recordVersion);
}
else
{
writer.Write(span);
}
return(writer.FlushAsync());
}
public static DataResult <TModel> ForException(Exception exception)
{
if (exception is AlertException)
{
AlertException alertException = exception as AlertException;
return(new DataResult <TModel>(alertException.Message));
}
return(new DataResult <TModel>("系统错误，请重试"));
}
public abstract WritableBufferAwaitable WriteAlert(AlertException alert);