public virtual void Read(byte[] buffer, int offset, int length)
{
if (Header.BodyLength == 0)
{
Header = new OperationHeader
{
Magic = Converter.ToByte(buffer, HeaderIndexFor.Magic),
OperationCode = Converter.ToByte(buffer, HeaderIndexFor.Opcode).ToOpCode(),
KeyLength = Converter.ToInt16(buffer, HeaderIndexFor.KeyLength),
ExtrasLength = Converter.ToByte(buffer, HeaderIndexFor.ExtrasLength),
Status = (ResponseStatus)Converter.ToInt16(buffer, HeaderIndexFor.Status),
BodyLength = Converter.ToInt32(buffer, HeaderIndexFor.Body),
Opaque = Converter.ToUInt32(buffer, HeaderIndexFor.Opaque),
Cas = Converter.ToUInt64(buffer, HeaderIndexFor.Cas)
};
}
LengthReceived += length;
Data.Write(buffer, offset, length);
}
protected void CreateHeader(OperationAsyncState state)
{
var buffer = state.Data.GetBuffer();
if (buffer.Length > 0)
{
state.Header = new OperationHeader
{
Magic = _converter.ToByte(buffer, HeaderIndexFor.Magic),
OperationCode = _converter.ToByte(buffer, HeaderIndexFor.Opcode).ToOpCode(),
KeyLength = _converter.ToInt16(buffer, HeaderIndexFor.KeyLength),
ExtrasLength = _converter.ToByte(buffer, HeaderIndexFor.ExtrasLength),
Status = (ResponseStatus)_converter.ToInt16(buffer, HeaderIndexFor.Status),
BodyLength = _converter.ToInt32(buffer, HeaderIndexFor.Body),
Opaque = _converter.ToUInt32(buffer, HeaderIndexFor.Opaque),
Cas = _converter.ToUInt64(buffer, HeaderIndexFor.Cas)
};
}
}
internal static OperationHeader CreateHeader(this ReadOnlySpan <byte> buffer, ErrorMap errorMap, out ErrorCode errorCode)
{
if (buffer == null || buffer.Length < OperationHeader.Length)
{
errorCode = null;
return(new OperationHeader {
Status = ResponseStatus.None
});
}
int keyLength, framingExtrasLength;
var magic = (Magic)buffer[HeaderOffsets.Magic];
if (magic == Magic.AltResponse)
{
framingExtrasLength = buffer[HeaderOffsets.FramingExtras];
keyLength = buffer[HeaderOffsets.AltKeyLength];
}
else
{
framingExtrasLength = 0;
keyLength = Converter.ToInt16(buffer.Slice(HeaderOffsets.KeyLength));
}
var statusCode = Converter.ToInt16(buffer.Slice(HeaderOffsets.Status));
var status = GetResponseStatus(statusCode, errorMap, out errorCode);
return(new OperationHeader
{
Magic = (byte)magic,
OpCode = buffer[HeaderOffsets.Opcode].ToOpCode(),
FramingExtrasLength = framingExtrasLength,
KeyLength = keyLength,
ExtrasLength = buffer[HeaderOffsets.ExtrasLength],
DataType = (DataType)buffer[HeaderOffsets.Datatype],
Status = status,
BodyLength = Converter.ToInt32(buffer.Slice(HeaderOffsets.Body)),
Opaque = Converter.ToUInt32(buffer.Slice(HeaderOffsets.Opaque)),
Cas = Converter.ToUInt64(buffer.Slice(HeaderOffsets.Cas))
});
}
internal static OperationHeader CreateHeader(this byte[] buffer, ErrorMap errorMap, out ErrorCode errorCode)
{
if (buffer == null || buffer.Length < HeaderIndexFor.HeaderLength)
{
errorCode = null;
return(new OperationHeader {
Status = ResponseStatus.None
});
}
int keyLength, framingExtrasLength;
var magic = (Magic)Converter.ToByte(buffer, HeaderIndexFor.Magic);
if (magic == Magic.AltResponse)
{
framingExtrasLength = Converter.ToByte(buffer, HeaderIndexFor.FramingExtras);
keyLength = Converter.ToByte(buffer, HeaderIndexFor.AltKeyLength);
}
else
{
framingExtrasLength = 0;
keyLength = Converter.ToInt16(buffer, HeaderIndexFor.KeyLength);
}
var statusCode = Converter.ToInt16(buffer, HeaderIndexFor.Status);
var status = GetResponseStatus(statusCode, errorMap, out errorCode);
return(new OperationHeader
{
Magic = (byte)magic,
OperationCode = Converter.ToByte(buffer, HeaderIndexFor.Opcode).ToOpCode(),
FramingExtrasLength = framingExtrasLength,
KeyLength = keyLength,
ExtrasLength = Converter.ToByte(buffer, HeaderIndexFor.ExtrasLength),
DataType = (DataType)Converter.ToByte(buffer, HeaderIndexFor.Datatype),
Status = status,
BodyLength = Converter.ToInt32(buffer, HeaderIndexFor.Body),
Opaque = Converter.ToUInt32(buffer, HeaderIndexFor.Opaque),
Cas = Converter.ToUInt64(buffer, HeaderIndexFor.Cas)
});
}
private void ParseSpecs()
{
var response = _contentBytes.Memory.Slice(Header.BodyOffset);
var commandIndex = 0;
for (;;)
{
var bodyLength = _converter.ToInt32(response.Span.Slice(2));
var payLoad = response.Slice(6, bodyLength);
var command = _specs[commandIndex++];
command.Status = (ResponseStatus)_converter.ToUInt16(response.Span);
command.ValueIsJson = payLoad.Span.IsJson();
command.Bytes = payLoad;
response = response.Slice(6 + bodyLength);
if (response.Length <= 0)
{
break;
}
}
}
public T ContentAs <T>(int index)
{
var response = _bytes;
var statusOffset = 24;//Header.BodyOffset;
var valueLengthOffset = statusOffset + 2;
var valueOffset = statusOffset + 6;
var operationSpecs = new List <OperationSpec>();
for (;;)
{
var bodyLength = _converter.ToInt32(response, valueLengthOffset);
var payLoad = new byte[bodyLength];
Buffer.BlockCopy(response, valueOffset, payLoad, 0, bodyLength);
var command = new OperationSpec
{
Status = (ResponseStatus)_converter.ToUInt16(response, statusOffset),
ValueIsJson = payLoad.IsJson(0, bodyLength - 1),
Bytes = payLoad
};
operationSpecs.Add(command);
statusOffset = valueOffset + bodyLength;
valueLengthOffset = statusOffset + 2;
valueOffset = statusOffset + 6;
if (valueOffset >= response.Length)
{
break;
}
}
var spec = operationSpecs[index];
return(_serializer.Deserialize <T>(spec.Bytes, 0, spec.Bytes.Length));
}
public T Deserialize <T>(byte[] buffer, int offset, int length)
{
object value = default(T);
var typeCode = Type.GetTypeCode(typeof(T));
switch (typeCode)
{
case TypeCode.Empty:
case TypeCode.DBNull:
case TypeCode.String:
case TypeCode.Char:
value = Deserialize(buffer, offset, length);
break;
case TypeCode.Int16:
if (length > 0)
{
value = _converter.ToInt16(buffer, offset);
}
break;
case TypeCode.UInt16:
if (length > 0)
{
value = _converter.ToUInt16(buffer, offset);
}
break;
case TypeCode.Int32:
if (length > 0)
{
value = _converter.ToInt32(buffer, offset);
}
break;
case TypeCode.UInt32:
if (length > 0)
{
value = _converter.ToUInt32(buffer, offset);
}
break;
case TypeCode.Int64:
if (length > 0)
{
value = _converter.ToInt64(buffer, offset);
}
break;
case TypeCode.UInt64:
if (length > 0)
{
value = _converter.ToUInt64(buffer, offset);
}
break;
case TypeCode.Single:
break;
case TypeCode.Double:
break;
case TypeCode.Decimal:
break;
case TypeCode.DateTime:
break;
case TypeCode.Boolean:
break;
case TypeCode.SByte:
break;
case TypeCode.Byte:
break;
case TypeCode.Object:
value = DeserializeAsJson <T>(buffer, offset, length);
break;
default:
throw new ArgumentOutOfRangeException();
}
return((T)value);
}
/// <summary>
/// Reads a <see cref="Int32" /> from a buffer, using network byte order.
/// </summary>
/// <param name="converter">The converter.</param>
/// <param name="buffer">The buffer.</param>
/// <returns></returns>
public static int ToInt32(this IByteConverter converter, ReadOnlySpan <byte> buffer)
{
return(converter.ToInt32(buffer, true));
}