public static string ReadUTF8(this IReadableBuffer br)
{
var dat_len = br.ReadUnsignedShort();
if (dat_len > 0)
{
using (var temp = ByteBuffer.Pool.Get())
{
temp.Write(dat_len, br, (data, offset, len, param) => param.Read(data, offset, len));
return(CodingUtil.EncodeUTF8(temp.data, 0, dat_len));
}
}
return(null);
}
public static void WriteUTF8(this IWritableBuffer bw, string str)
{
if (str != null)
{
using (var temp = ByteBuffer.Pool.Get())
{
CodingUtil.DecodeUTF8(str, temp);
bw.WriteUnsignedShort(temp.Length);
bw.Write(temp.data, 0, temp.Length);
}
}
else
{
bw.WriteShort(0);
}
}
public static void Encode(Packet p, ByteBuffer bw)
{
if (p.msgType == MessageType.UNKNOW)
{
Logger.Error("Packet is not initialized or has been recycled!");
return;
}
var msgType = p.msgType;
var msgFlag = Flag.NONE;
var msgRoute = p.msgRoute;
var msgData = p.msgData;
ByteBuffer msgCompressData = null;
var packetSize = 0;
// -- 3. message token
if (p.msgAttach != null)
{
msgFlag |= Flag.ATTACH;
packetSize += CodingUtil.GetByteCountUTF8(p.msgAttach) + 2;
}
// -- 4. message route
var msgRouteCode = Protocol.Instance.GetRouteCode(msgRoute);
if (msgRouteCode != 0)
{
msgFlag |= Flag.ENCODE_ROUTE;
packetSize += 2;
}
else
{
packetSize += CodingUtil.GetByteCountUTF8(msgRoute) + 2;
}
// -- 5. message request id
if (msgType == MessageType.REQUEST ||
msgType == MessageType.RESPONSE)
{
packetSize += 4;
}
// -- 6. message body
if (compressor != null && msgData.Length > 256)
{
msgFlag |= Flag.COMPRESS;
msgCompressData = ByteBuffer.Pool.Get();
//TODO 处理压缩数据
//TODO END
packetSize += msgCompressData.Length;
}
else
{
packetSize += msgData.Length;
}
// -- END
var packetHead = (byte)(
((byte)msgType) |
((byte)msgFlag << 4)
);
// --
// -- 1. packet head
bw.WriteByte(packetHead);
// -- 2. packet size
bw.WriteInt24(packetSize);
// -- 3. message token
if (p.msgAttach != null)
{
bw.WriteUTF8(p.msgAttach);
}
// -- 4. message route
if (msgRouteCode != 0)
{
bw.WriteUnsignedShort(msgRouteCode);
}
else
{
bw.WriteUTF8(msgRoute);
}
// -- 5. message request id
if (msgType == MessageType.REQUEST ||
msgType == MessageType.RESPONSE)
{
bw.WriteInt(p.msgRequestId);
}
// -- 6. message body
if (msgCompressData != null)
{
bw.Write(msgCompressData.data, 0, msgCompressData.Length);
((IDisposable)msgCompressData).Dispose();
msgCompressData = null;
}
else
{
bw.Write(msgData.data, 0, msgData.Length);
}
}
public static float ReadFloat16(this IReadableBuffer br)
{
var v = (short)br.ReadInt16();
return(CodingUtil.DecodeFloat16(v));
}
public static void WriteFloat16(this IWritableBuffer bw, float val)
{
var i_v = CodingUtil.EncodeFloat16(val);
bw.WriteShort(i_v);
}
public static float ReadFloat(this IReadableBuffer br)
{
var value = br.ReadInt32();
return(CodingUtil.DecodeFloat32(value));
}
