public void ParseMessageInRC5Encrypt(byte[] data)
{
byte[] output = RC5Encrypt.Decrypt(data);
int bodyLength = ((int)output[1] << 8) + output[0];
this.isCompress = false;
if (((int)output[3] & 0x40) != 0)
{
this.isCompress = true;
byte[] unCompressData = null;
using (MemoryStream ms = new MemoryStream()) {
ms.Write(output, HeadSize, bodyLength);
//unCompressData = ZipCompress.Decompress(ms.GetBuffer());
}
}
byte[] nullCmdBytes = new byte[6];
Array.Copy(output, 4, nullCmdBytes, 0, 6);
object obj = CmdSerializer.BytesToStruct(nullCmdBytes, typeof(stNullUserCmd));
if (obj is stNullUserCmd)
{
bmdParamTime = (stNullUserCmd)obj;
}
}
public byte[] CompressAndRC5Encrypt()
{
byte[] buffer = CompressCommandAndFillZero();
if (buffer == null)
{
return(null);
}
//RC5Crypt
return(RC5Encrypt.Encrypt(buffer));
}
private void _ReceiveMessage(IByteArray bytes)
{
bytes.Retain();
this.receiveByteArray.AddLast(bytes);
this.receiveSize += bytes.Size;
if (this.receiveSize < 8)
{
return;
}
var decSize = this.receiveSize & (~7);
this.receiveSize -= decSize;
var decBytes = this.storage.Alloc(decSize);
var node = this.receiveByteArray.First;
while (decSize > 0 && null != node)
{
var current = node;
node = node.Next;
if (current.Value.Size <= decSize)
{
decSize -= current.Value.Size;
decBytes.WriteByteArray(current.Value);
}
else
{
var tmp = current.Value.ReadByteArray(decSize);
this.receiveByteArray.AddLast(current.Value.ReadByteArray());
decBytes.WriteByteArray(tmp);
tmp.Release();
decSize = 0;
}
this.receiveByteArray.Remove(current);
current.Value.Release();
}
decBytes.Seek();
byte[] decryptData = null;
if (this.loginRecv)
{
decryptData = RC5Encrypt.Decrypt(decBytes.ReadBytes());
}
else
{
decryptData = decBytes.ReadBytes();
DESEncryptorFix.EncDec_DES(decryptData, 0, decryptData.Length, false);
}
decBytes.Release();
var array = this.storage.Alloc(decryptData.Length);
array.WriteBytes(decryptData, 0, decryptData.Length);
array.Seek();
this.decodeByteArray.AddLast(array);
this.decodeSize += array.Size;
//解析
node = this.decodeByteArray.First;
while (this.decodeSize > 4 && null != node)
{
node = _GetHeaderNode(node);
var byteArray = node.Value;
//前两字节代表数据长度
int bodyLength = byteArray.ReadInt16();
if (bodyLength + 4 > this.decodeSize)
{
byteArray.Seek(-2, SeekOrigin.CURRENT); // 回滚读取索引位置
break;
}
//第四字节代表是否压缩
byteArray.ReadByte();
int compressFlag = (int)byteArray.ReadByte();
//有一个完整的数据包
var commandData = this.storage.Alloc(bodyLength);
while (commandData.Size != bodyLength)
{
var current = node;
if ((current.Value.Size - current.Value.Position) <= (bodyLength - commandData.Size))
{
commandData.WriteByteArray(current.Value);
node = node.Next;
}
else
{
var tmp = current.Value.ReadByteArray(bodyLength - commandData.Size);
commandData.WriteByteArray(tmp);
tmp.Release();
node = this.decodeByteArray.AddAfter(current, current.Value.ReadByteArray());
}
current.Value.Release();
this.decodeByteArray.Remove(current);
}
this.decodeSize -= (bodyLength + 4);
commandData.Seek();
IByteArray msgData = null;
if ((compressFlag & 0x40) != 0)
{
msgData = this.storage.Alloc(BUFFERSIZE); // 分配storage定义的BufferSize
// ZipCompress.Decompress(commandData, msgData);
}
else
{
msgData = commandData;
msgData.Retain();
}
commandData.Release();
byte command = msgData.ReadByte();
byte param = msgData.ReadByte();
Logger <IGiantFreeServer> .L("<<<<收到返回数据 size = " + msgData.Size + ", byCmd = " + command + ", byParam = " + param);
ushort sign = (ushort)(((int)command << 8) + param);
msgData.Seek(6);
Action <byte[]> callback = null;
if (this.messageCallbacks.TryGetValue(sign, out callback))
{
callback(msgData.ReadBytes());
}
else if (null != this.client)
{
this.client.HandleMessage(command, param, msgData.ReadBytes());
}
msgData.Release();
}
}