public static bool TryParse(byte[] bytes, out EventTransUnit value)
{
if (bytes[0] == (byte)BytesHeaderType.Event)
{
var idType = (ActorIdType)bytes[1];
var bytesSpan = bytes.AsSpan();
var eventTypeLength = BitConverter.ToUInt16(bytesSpan.Slice(BytesHeadLength, sizeof(ushort)));
var actorIdBytesLength = BitConverter.ToUInt16(bytesSpan.Slice(BytesHeadLength + sizeof(ushort), sizeof(ushort)));
var baseBytesLength = BitConverter.ToUInt16(bytesSpan.Slice(BytesHeadLength + (2 * sizeof(ushort)), sizeof(ushort)));
var eventBytesLength = BitConverter.ToInt32(bytesSpan.Slice(BytesHeadLength + (3 * sizeof(ushort)), sizeof(int)));
var skipLength = BytesHeadLength + (3 * sizeof(ushort)) + sizeof(int);
if (idType == ActorIdType.Long)
{
var actorId = BitConverter.ToInt64(bytesSpan.Slice(skipLength + eventTypeLength, actorIdBytesLength));
value = new EventTransUnit(
Encoding.UTF8.GetString(bytesSpan.Slice(skipLength, eventTypeLength)),
actorId,
bytesSpan.Slice(skipLength + eventTypeLength + actorIdBytesLength, baseBytesLength).ToArray(),
bytesSpan.Slice(skipLength + eventTypeLength + actorIdBytesLength + baseBytesLength, eventBytesLength).ToArray());
return(true);
}
else if (idType == ActorIdType.String)
{
var actorId = Encoding.UTF8.GetString(bytesSpan.Slice(skipLength + eventTypeLength, actorIdBytesLength));
value = new EventTransUnit(
Encoding.UTF8.GetString(bytesSpan.Slice(skipLength, eventTypeLength)),
actorId,
bytesSpan.Slice(skipLength + eventTypeLength + actorIdBytesLength, baseBytesLength).ToArray(),
bytesSpan.Slice(skipLength + eventTypeLength + actorIdBytesLength + baseBytesLength, eventBytesLength).ToArray());
return(true);
}
else if (idType == ActorIdType.Guid)
{
var actorId = Encoding.UTF8.GetString(bytesSpan.Slice(skipLength + eventTypeLength, actorIdBytesLength));
value = new EventTransUnit(
Encoding.UTF8.GetString(bytesSpan.Slice(skipLength, eventTypeLength)),
new Guid(actorId),
bytesSpan.Slice(skipLength + eventTypeLength + actorIdBytesLength, baseBytesLength).ToArray(),
bytesSpan.Slice(skipLength + eventTypeLength + actorIdBytesLength + baseBytesLength, eventBytesLength).ToArray());
return(true);
}
}
value = default;
return(false);
}
public static bool TryParseWithNoId(byte[] bytes, out EventTransUnit value)
{
if (bytes[0] == (byte)BytesHeaderType.Event)
{
var bytesSpan = bytes.AsSpan();
var eventTypeLength = BitConverter.ToUInt16(bytesSpan.Slice(BytesHeadLength, sizeof(ushort)));
var actorIdBytesLength = BitConverter.ToUInt16(bytesSpan.Slice(BytesHeadLength + sizeof(ushort), sizeof(ushort)));
var baseBytesLength = BitConverter.ToUInt16(bytesSpan.Slice(BytesHeadLength + (2 * sizeof(ushort)), sizeof(ushort)));
var eventBytesLength = BitConverter.ToInt32(bytesSpan.Slice(BytesHeadLength + (3 * sizeof(ushort)), sizeof(int)));
var skipLength = BytesHeadLength + (3 * sizeof(ushort)) + sizeof(int);
value = new EventTransUnit(
Encoding.UTF8.GetString(bytesSpan.Slice(skipLength, eventTypeLength)),
null,
bytesSpan.Slice(skipLength + eventTypeLength + actorIdBytesLength, baseBytesLength),
bytesSpan.Slice(skipLength + eventTypeLength + actorIdBytesLength + baseBytesLength, eventBytesLength));
return(true);
}
value = default;
return(false);
}
