public static byte[] Packet <TObj>(TObj obj, Endian endian = Endian.BIG_ENDIAN, Encoding?textEncoding = null)
where TObj : class
{
if (!IsInitialized)
{
throw new InvalidOperationException($"在调用此方法前，应先调用 {nameof(RegisterTypes)} 来注册 ByteProto 即将用到的实体类型");
}
var desc = GetTargetDescriptor(typeof(TObj));
if (desc.EntityAttribute is not ByteProtoPacketAttribute packetAttr)
{
throw new InvalidOperationException("该实体不能作为单独的网络包发送");
}
// Write Body First
var bodyBytes = ByteProtoSerializer.Serialize(obj, desc, endian, textEncoding);
using var writer = BytesFactory.GetWriter(endian);
writer.WriteByte(packetAttr.Version); // 版本号，不同的版本可有不同的序列化方式
ByteProtoSerializer.WriteCompressedSize(writer, packetAttr.PacketType); // type
ByteProtoSerializer.WriteCompressedSize(writer, bodyBytes.Length); // body size
writer.WriteBytes(bodyBytes); // body content
return(writer.Bytes.ToArray());
}
public static byte[] Serialize <TObj>(TObj obj, Endian endian = Endian.BIG_ENDIAN, Encoding?textEncoding = null)
where TObj : class
{
using var bodyWriter = BytesFactory.GetWriter(endian);
// Write Body
var desc = ByteProto.GetTargetDescriptor(typeof(TObj));
WriteObject(desc, obj, bodyWriter, textEncoding ?? Encoding.UTF8);
return(bodyWriter.Bytes.ToArray());
}
public static object Deserialize(Type outType, byte[] rawData, Endian endian = Endian.BIG_ENDIAN, Encoding?textEncoding = null)
{
if (!ByteProto.TargetHasDescriptor(outType, out var desc) || desc == null)
{
throw new Exception($"cannot find a class for type: {outType} ");
}
var reader = BytesFactory.GetReader(rawData, endian);
return(ReadObject(reader, desc, textEncoding ?? Encoding.UTF8));
}
