private static RowClass GetRowClass(Model.Row row, int rowIndex, List <Model.Row> means)
{
RowClass rowClass = new RowClass();
rowClass.RowIndex = rowIndex;
rowClass.ClassIndex = 0;
double currentDistance = GetInfinityDistance(row, means[0]);
for (int i = 1; i < means.Count; i++)
{
double distance = GetInfinityDistance(row, means[i]);
if (distance < currentDistance)
{
rowClass.ClassIndex = i;
currentDistance = distance;
}
}
return(rowClass);
}
private void Form1_Load(object sender, EventArgs e)
{
System.Timers.Timer timer1 = new System.Timers.Timer();
timer1.Interval = 100;
timer1.Elapsed += Timer1_Tick;
timer1.Start();
System.Timers.Timer timer2 = new System.Timers.Timer();
timer2.Interval = 5000;
timer2.Elapsed += Timer2_Tick;
timer2.Start();
IPEndPoint loaclEndPoint = new IPEndPoint(IPAddress.Any, 8001);
server = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
server.Bind(loaclEndPoint);
Task.Run(() => {
while (true)
{
try
{
UdpSocket.Receive(server);
byte[] receiveData = new byte[1024];
EndPoint Remote = loaclEndPoint;
server.ReceiveFrom(receiveData, 0, 1024, SocketFlags.None, ref Remote);
string stringData = Encoding.UTF8.GetString(receiveData);
ClientData clientData = JsonConvert.DeserializeObject <ClientData>(stringData);
string IpPort = Remote.ToString();//获取发送端的IP及端口转为String备用
string ip = IpPort.Split(':')[0];
int port = int.Parse(IpPort.Split(':')[1]);
if (clientData.Type == "Ping")
{
bool isHaveConnect = false;
for (int i = 0; i < TableData.Count; i++)
{
if (TableData[i].No == clientData.No)
{
isHaveConnect = true;
if (TableData[i].Ip == ip &&
TableData[i].Port == port)
{
TableData[i].HeartNum++;
TableData[i].HeartTime = DateTime.Now;
}
else
{
TableData[i].Ip = ip;
TableData[i].Port = port;
TableData[i].HeartNum = 0;
TableData[i].HeartTime = DateTime.Now;
}
}
}
if (isHaveConnect == false)
{
RowClass udpData = new RowClass();
udpData.No = clientData.No;
udpData.Ip = ip;
udpData.Port = port;
udpData.HeartNum = 0;
udpData.HeartTime = DateTime.Now;
udpData.Type = clientData.Data;
TableData.Add(udpData);
}
}
else if (clientData.Type == "Get") // Get
{
List <RowClass> runData = new List <RowClass>();
if (clientData.Data.Contains("server"))
{
runData = TableData.Where(it => it.Type == clientData.Data).OrderByDescending(it => it.HeartTime).Take(1).ToList();
}
if (clientData.Data.Contains("client"))
{
runData = TableData.Where(it => it.Type == clientData.Data).OrderByDescending(it => it.HeartTime).ToList();
}
else if (clientData.Data == "All")
{
runData = TableData.ToList();
}
SocketUdpSend(ip, port, "GetData", JsonConvert.SerializeObject(runData));
}
else if (clientData.Type == "Send") // Get
{
RowClass SendClient = new RowClass();
SendClient = TableData.Where(it => it.No == clientData.No).FirstOrDefault();
if (SendClient != null)
{
SocketUdpSend(SendClient.Ip, SendClient.Port, "Send", IpPort);
}
}
}
catch
{
}
}
});
}
