/// <summary>
/// 打包
/// </summary>
/// <param name="packet">输入的协议对象</param>
/// <returns>需要发送的字节流</returns>
public ArraySegment <byte> Pack(object packet)
{
// offset
// ---------------------------------------------------------
// | 包头 | 包体（Count） |
// ---------------------------------------------------------
// | ArraySegment(包头+包体) |
// ---------------------------------------------------------
// 返回的ArraySegment，Offset为包头偏移位置，Count为包体长度
var msgInfo = msgDefined.GetMsgByName(packet.GetType().FullName);
if (msgInfo == null)
{
throw new NotSupportedException("Can not find msg info , msg name is [" + packet.GetType().FullName + "]");
}
var sent = new ArraySegment <byte>(sentBuffer, Header.HeadSize, sentBuffer.Length - Header.HeadSize);
packerPolicy.Packed(ref sent, msgInfo, packet);
var header = new Header
{
MsgId = msgInfo.Id,
};
header.FillMsgId(sent);
var datalen = sent.Count;
var destbuff = sentBuffer;
header.Encrypt = true;
if (datalen >= 100)
{
//compress
header.Compress = true;
destbuff = compSentBuffer;
datalen = Snappy.Compress(sent.Array, sent.Offset - 2, sent.Count + 2, compSentBuffer, Header.HeadSize - 2);
//Debug.LogError("send data compressed pre count->" + sent.Count + " after->" + datalen);
header.BodyLength = datalen;
}
else
{
header.BodyLength = datalen + 2;
}
sent = new ArraySegment <byte>(destbuff, 0, header.BodyLength + Header.HeadSize - 2);
header.Fill(sent);
XorEncrypt.Encrypt(destbuff, Header.HeadSize - 2, header.BodyLength);
return(sent);
}
public object Unpack(ArraySegment <byte> packet)
{
var header = new Header(packet);
if (header.Encrypt)
{
XorEncrypt.Decrypt(packet.Array, Header.HeadSize - 2, header.BodyLength);
}
if (header.Compress)
{
var uncompdata = Snappy.Uncompress(packet.Array, Header.HeadSize - 2, header.BodyLength);
header.Body = new ArraySegment <byte>(uncompdata, 2, uncompdata.Length - 2);
header.MsgId = uncompdata[0] | (uint)uncompdata[1] << 8;
}
else if (header.Encrypt)
{
header.MsgId = packet.Array[packet.Offset + 4] | (uint)packet.Array[packet.Offset + 5] << 8;
}
//if (ModuleName == "GameBox.Cratos.GBoxSync")
// Debug.LogError("Unpack msgid->" + header.MsgId + " buff len->" + packet.Count + " header.BodyLength->" + header.BodyLength + " header.Encrypt->" + header.Encrypt + " header.Compress->" + header.Compress);
var msgInfo = msgDefined.GetMsgById(header.MsgId);
if (msgInfo == null)
{
throw new NotSupportedException("Can not find msg info , msg id is [" + header.MsgId + "]");
}
var result = packerPolicy.Unpacked(msgInfo, header.Body);
if (msgInfo.Id != MsgConst.SyncMsgID)
{
return(result);
}
//MsgService.SyncMsg(result);
return(null);
}