static void Main(string[] args)
{
ReedSolomon _rs = new ReedSolomon(); //initialize parity bytes
int encodelength = 1472; //Byteencodelength
int dataleng = _rs.GetDataLeng(encodelength);
int[] dataInt = new int[dataleng / 4];
//initialize
for (int i = 0; i < dataInt.Length; i++)
{
dataInt[i] = i;
}
byte[] data = new byte[dataInt.Length * sizeof(int)];
Buffer.BlockCopy(dataInt, 0, data, 0, data.Length);
byte[] encode = new byte[encodelength];
//_rs.encode(data, encode);
////add error
//Random _random = new Random();
//for(int i = 0; i < 29; i++) {
// encode[_random.Next(encode.Length - 1)] ^= (byte)_random.Next();
//}
////decode
//byte[] decodedata = new byte[data.Length];
//int errorDecode = _rs.decode(encode, decodedata);
////check correct decode
//for(int i = 0; i < dataleng; i++) {
// if(data[i] != decodedata[i]) {
// Console.WriteLine("error");
// break;
// }
//}
clientList = new List <client_IPEndPoint>()
{
new client_IPEndPoint()
{
ID_client = "20154023", On = true, NumSend = 1
},
new client_IPEndPoint()
{
ID_client = "00000001", On = true
}
};
UDPsocket udpsocket = new UDPsocket(clientList, encode, data);
udpsocket.UDPsocketSend();
//Console.WriteLine("Hello World!");
}
void receive()
{
EndPoint dummyEndpoint = new IPEndPoint(IPAddress.Any, 0);
ReedSolomon rs = new ReedSolomon();
//check error bits
int encodelength = 1472; //Byteencodelength
byte[] _encode = new byte[encodelength];
{
int dataleng = rs.GetDataLeng(encodelength);
int[] dataInt = new int[dataleng / 4];
//initialize
for (int i = 0; i < dataInt.Length; i++)
{
dataInt[i] = i;
}
byte[] datarand = new byte[dataInt.Length * sizeof(int)];
Buffer.BlockCopy(dataInt, 0, datarand, 0, datarand.Length);
rs.encode(datarand, _encode);
}
int Frame = 0, error = 0, lost = 0;
int maxError = 0, minError = 100000;
while (true)
{
try
{
int length = socket.ReceiveFrom(receiveBuffer, ref dummyEndpoint);
Frame++;
int res = checkBitDiff(_encode, receiveBuffer, length);
maxError = (res > maxError) ? res : maxError;
minError = (res < minError) ? res : minError;
int decodedataleng = rs.GetDataLeng(length);
byte[] decodedata = new byte[decodedataleng];
int sign = rs.decode(receiveBuffer, length, decodedata);
if (sign == 0) //can't correct
{
error++;
}
else
{
int[] data = new int[decodedata.Length / 4];
Buffer.BlockCopy(decodedata, 0, data, 0, decodedata.Length);
//check equal
for (int i = 1; i < data.Length; i++)
{
if (data[i] != i)
{
error++;
break;
}
}
//check order
//int order = BitConverter.ToInt32(decodedata, 0);
//if(order > Frame) {
// lost += order - Frame - 1;
// Frame = order;
//}
}
}
catch (Exception ex)
{
//Console.WriteLine(ex);
}
if ((Frame % 100 == 0) && (Frame > 0))
{
Console.WriteLine("Frame {0} . Error: {1} . Error bit: Max {2}, Min: {3}", Frame, error, maxError, minError);
}
}
}
