public override int CryptoUnpackPacket(MemoryStream stream)
{
byte[] buffer = stream.GetBuffer();
int offset = 0;
int pos = 0;
while (stream.Length > sizeof(UInt16))
{
UInt16 size = BitConverter.ToUInt16(buffer, offset);
offset += sizeof(UInt16);
if (size > stream.Length - offset)
{
break;
}
UInt16 trueLen = BitConverter.ToUInt16(buffer, offset);
offset += sizeof(UInt16);
UInt32 msg_id = BitConverter.ToUInt32(buffer, offset);
offset += sizeof(UInt32);
//byte[] content = new byte[size];
//Array.Copy(buffer, offset , content, 0, size);
MemoryStream msg = new MemoryStream(buffer, offset, size, true, true);
MemoryStream trueStream = null;
if (msg_id != Id <MSG_C2G_GetEncryptKey> .Value)
{
if (size > 0)
{
if (BlowFishHandler == null)
{
return(-1);
}
trueStream = BlowFishHandler.Decrypt_CBC(msg, 0, size);
trueStream.SetLength(trueLen);
}
else
{
trueStream = msg;
}
}
else
{
trueStream = msg;
}
lock (m_msgQueue)
{
m_msgQueue.Enqueue(new KeyValuePair <uint, MemoryStream>(msg_id, msg));
}
offset += size;
pos = offset;
}
return(pos);
}
public override void CryptoPackPacket <T>(T msg, out MemoryStream head, out MemoryStream body)
{
body = new MemoryStream();
ProtoBuf.Serializer.Serialize(body, msg);
ushort sourceStreamLen = (ushort)body.Length;
if (BlowFishHandler != null && sourceStreamLen > 0)
{
body = BlowFishHandler.Encrypt_CBC(body);
}
head = new MemoryStream(sizeof(ushort) + sizeof(uint));
ushort len = (ushort)body.Length;
head.Write(BitConverter.GetBytes(len), 0, sizeof(ushort));
head.Write(BitConverter.GetBytes(sourceStreamLen), 0, sizeof(ushort));
head.Write(BitConverter.GetBytes(Id <T> .Value), 0, sizeof(uint));
}
