public CruMessageTransfer()
{
int[] dataSizeList = CruNetworkProtocol.GetMessageSizeList(CruNetworkProtocol.MSG_TYPE.HEAD);
HEADSIZE_DATACOUNT = dataSizeList[0];
HEADSIZE_TYPE = dataSizeList[1];
//Init();
}
// 데이터 사이즈는 버퍼의 최종 사이즈보다 같거나 작다. 왜냐하면, 보낼 때, buffer사이즈보다 작은 사이즈를 보내기 때문!
// 만약 데이터 사이즈와 버퍼 사이즈가 같다면... 그건 추가적으로 오는 데이터가 있을 수 있다는거니... 추가적인 작업이 있어야 함.
public CruMessage[] ReceiveByteToMsgs(byte[] buffer, int receiveDatasize)
{
CruMessage[] result;
CruMessage temp;
int headsize;
int transferdDataSize = 0;
short dataCnt;
short type;
int idx = 0;
// 데이터 수 확인
headsize = CruNetworkProtocol.Head.HEADSIZE_DATACOUNT;
dataCnt = BitConverter.ToInt16(buffer, 0);
result = new CruMessage[dataCnt];
idx += headsize;
// 개별 데이터 확인
headsize = CruNetworkProtocol.Head.HEADSIZE_TYPE;
for (int i = 0; i < dataCnt; ++i)
{
// type 확인
type = BitConverter.ToInt16(buffer, idx);
idx += headsize;
// data 확인
switch (type)
{
case (short)CruNetworkProtocol.MSG_TYPE.RESULT_PLAYERS_LOCATION:
temp = ExtractMutableDatas(type, buffer, idx, receiveDatasize, out transferdDataSize);
idx += transferdDataSize;
transferdDataSize = 0;
break;
default:
temp = ExtractDatas(type, buffer, idx, receiveDatasize);
idx += CruNetworkProtocol.GetMessageTotalSIze(type);
break;
}
result[i] = temp;
}
if (idx > receiveDatasize)
{
return(null);
}
return(result);
}
// CruMessage를 만드는 곳
public CruMessage ExtractDatas(short type, byte[] buffer, int offset, int totalmsgssize)
{
CruMessage result;
object[] datas;
int[] datasizelist;
CruNetworkProtocol.DATA_TYPE[] typelist;
int bufferIdx = 0;
int setDataSize = 0;
datasizelist = CruNetworkProtocol.GetMessageSizeList(type);
typelist = CruNetworkProtocol.GetMessageTypeList(type);
datas = new object[datasizelist.Length - 1];
for (int i = 1; i < datasizelist.Length; ++i)
{
// 실제 버퍼 입력받을 위치
bufferIdx = offset + setDataSize;
// 다음에 처리할 사이즈가 총 버퍼의 사이즈를 넘어간다면,
if (bufferIdx + datasizelist[i] > totalmsgssize)
{
throw new SystemException("버퍼 사이즈를 넘겼습니다.");
}
// 데이터 Get
switch (typelist[i])
{
case CruNetworkProtocol.DATA_TYPE.BOOLEAN:
datas[i - 1] = BitConverter.ToBoolean(buffer, bufferIdx);
break;
case CruNetworkProtocol.DATA_TYPE.SHORT:
datas[i - 1] = BitConverter.ToInt16(buffer, bufferIdx);
break;
case CruNetworkProtocol.DATA_TYPE.INT:
datas[i - 1] = BitConverter.ToInt32(buffer, bufferIdx);
break;
case CruNetworkProtocol.DATA_TYPE.FLOAT:
datas[i - 1] = BitConverter.ToSingle(buffer, bufferIdx);
break;
case CruNetworkProtocol.DATA_TYPE.DOUBLE:
datas[i - 1] = BitConverter.ToDouble(buffer, bufferIdx);
break;
case CruNetworkProtocol.DATA_TYPE.STRING:
{
int stringsize = BitConverter.ToInt16(buffer, bufferIdx);
datas[i - 1] = Encoding.ASCII.GetString(buffer, bufferIdx + CruNetworkProtocol.Head.HEADSIZE_STRING, stringsize);
}
break;
default:
break;
}
setDataSize += datasizelist[i];
}
// 변화한 데이터 사이즈가, 총량을 넘어갔을 때 ㅇㅇ
if (setDataSize > datasizelist[0])
{
return(null);
}
result = new CruMessage(type, datas);
return(result);
}
public int ExtractMutableSendDatas(CruMessage msg, byte[] buffer, int offset)
{
/*
* 일반적으로 가변데이터 형식은 똑같다.
* type + data갯수 + (data 정보들) + (data 정보들) + ...
*/
byte[] temp;
short type = msg.Type;
object[] datas = msg.Datas;
int headSize = 0;
int dataCnt = datas.Length;
int dataSize = 0;
int totalDataSize = 0;
int[] datasizelist;
CruNetworkProtocol.DATA_TYPE[] typelist;
headSize = CruNetworkProtocol.Head.HEADSIZE_TYPE;
datasizelist = CruNetworkProtocol.GetMessageSizeList(type);
typelist = CruNetworkProtocol.GetMessageTypeList(type);
// type 처리
temp = BitConverter.GetBytes(type);
Array.Copy(temp, 0, buffer, offset + dataSize, headSize);
dataSize += headSize;
// data count 처리
temp = BitConverter.GetBytes((short)datas[0]);
Array.Copy(temp, 0, buffer, offset + dataSize, datasizelist[1]);
dataSize += datasizelist[1];
// data 처리
for (int i = 1; i < dataCnt; ++i)
{
for (int j = 2; j < datasizelist.Length; ++j)
{
// 버퍼 사이즈 넘어가는지 체크
if (offset + dataSize + datasizelist[j] > buffer.Length)
{
throw new SystemException("버퍼 사이즈를 넘어갑니다.");
}
switch (typelist[j])
{
case CruNetworkProtocol.DATA_TYPE.BOOLEAN:
temp = BitConverter.GetBytes((bool)datas[i]);
break;
case CruNetworkProtocol.DATA_TYPE.SHORT:
temp = BitConverter.GetBytes((short)datas[i]);
break;
case CruNetworkProtocol.DATA_TYPE.INT:
temp = BitConverter.GetBytes((int)datas[i]);
break;
case CruNetworkProtocol.DATA_TYPE.FLOAT:
temp = BitConverter.GetBytes((float)datas[i]);
break;
case CruNetworkProtocol.DATA_TYPE.DOUBLE:
temp = BitConverter.GetBytes((double)datas[i]);
break;
case CruNetworkProtocol.DATA_TYPE.STRING:
{
short stringsize;
temp = new byte[datasizelist[j]];
if ((string)datas[i] == null)
{
stringsize = 0;
}
else
{
stringsize = (short)((string)datas[i]).Length;
}
// Set string size
Array.Copy(BitConverter.GetBytes(stringsize), temp, CruNetworkProtocol.Head.HEADSIZE_STRING);
// Set string data
if (datas[i] != null)
{
Encoding.ASCII.GetBytes((string)datas[i], 0, ((string)datas[i]).Length, temp, CruNetworkProtocol.Head.HEADSIZE_STRING);
}
}
break;
default:
break;
}
Array.Copy(temp, 0, buffer, offset + dataSize, datasizelist[j]);
dataSize += datasizelist[j];
}
}
// 총 데이터 사이즈 = 헤드사이즈 + 데이터묶음 수 사이즈 + ((데이터 묶음 사이즈) * 데이터 묶음 수)
totalDataSize = headSize + datasizelist[1] + ((datasizelist[0] - datasizelist[1]) * (short)datas[0]);
if (dataSize != totalDataSize)
{
return(0);
}
return(dataSize);
}
public int ExtractSendDatas(CruMessage msg, byte[] buffer, int offset)
{
byte[] temp;
short type = msg.Type;
object[] datas = msg.Datas;
int headSize = 0;
int dataSize = 0;
int[] datasizelist;
CruNetworkProtocol.DATA_TYPE[] typelist;
headSize = CruNetworkProtocol.Head.HEADSIZE_TYPE;
datasizelist = CruNetworkProtocol.GetMessageSizeList(type);
typelist = CruNetworkProtocol.GetMessageTypeList(type);
temp = BitConverter.GetBytes(type);
Array.Copy(temp, 0, buffer, offset + dataSize, headSize);
dataSize += headSize;
for (int i = 0; i < msg.Datas.Length; ++i)
{
// 버퍼 사이즈 넘어가는지 체크
if (offset + dataSize + datasizelist[i + 1] > buffer.Length)
{
throw new SystemException("버퍼 사이즈를 넘어갑니다.");
}
switch (typelist[i + 1])
{
case CruNetworkProtocol.DATA_TYPE.BOOLEAN:
temp = BitConverter.GetBytes((bool)datas[i]);
break;
case CruNetworkProtocol.DATA_TYPE.SHORT:
temp = BitConverter.GetBytes((short)datas[i]);
break;
case CruNetworkProtocol.DATA_TYPE.INT:
temp = BitConverter.GetBytes((int)datas[i]);
break;
case CruNetworkProtocol.DATA_TYPE.FLOAT:
temp = BitConverter.GetBytes((float)datas[i]);
break;
case CruNetworkProtocol.DATA_TYPE.DOUBLE:
temp = BitConverter.GetBytes((double)datas[i]);
break;
case CruNetworkProtocol.DATA_TYPE.STRING:
{
short stringsize;
temp = new byte[datasizelist[i + 1]];
if ((string)datas[i] == null)
{
stringsize = 0;
}
else
{
stringsize = (short)((string)datas[i]).Length;
}
// Set string size
Array.Copy(BitConverter.GetBytes(stringsize), temp, CruNetworkProtocol.Head.HEADSIZE_STRING);
// Set string data
if (datas[i] != null)
{
Encoding.ASCII.GetBytes((string)datas[i], 0, ((string)datas[i]).Length, temp, CruNetworkProtocol.Head.HEADSIZE_STRING);
}
}
break;
default:
break;
}
Array.Copy(temp, 0, buffer, offset + dataSize, datasizelist[i + 1]);
dataSize += datasizelist[i + 1];
}
if (dataSize != datasizelist[0] + headSize)
{
return(0);
}
return(dataSize);
}
