public void Tam()
{
while (true)
{
while (!listener.Pending())
{
Thread.Sleep(1000);
}
Socket clientToHandle = listener.AcceptSocket();
ListClient.Add(clientToHandle);
string IP = clientToHandle.RemoteEndPoint.ToString().Split(':')[0];
Maytinhinfo newmaytinh = new Maytinhinfo()
{
endPoint = clientToHandle.RemoteEndPoint as IPEndPoint,
ClientIP = IP,
status = ClientinfoStatus.ClientConnected,
student = new Student()
};
maytinhInfoManager.Add(newmaytinh);
if (_onClientListChanged != null)
{
_onClientListChanged(maytinhInfoManager.maytinh);
}
receiveCommand = new Thread(ReceiveCommand);
receiveCommand.IsBackground = true;
receiveCommand.Start(clientToHandle);
}
}
public Maytinhinfo(Maytinhinfo client)
{
PCName = client.PCName;
student = client.student;
endPoint = client.endPoint;
ClientIP = client.ClientIP;
status = client.status;
}
public override bool Equals(object obj)
{
if (obj == null || GetType() != obj.GetType())
{
return(false);
}
Maytinhinfo client = obj as Maytinhinfo;
return(client.ClientIP == ClientIP && client.PCName == PCName && client.status == status && client.student.MSSV == student.MSSV);
}
public void Add(Maytinhinfo client)
{
int?index = IndexOf(client);
if (index != null)
{
_maytinh[(int)index] = client;
return;
}
AddTail(client);
}
public int?IndexOf(Maytinhinfo client)
{
for (int i = 0; i < _maytinh.Count; i++)
{
if (_maytinh[i].ClientIP.Equals(client.ClientIP))
{
return(i);
}
}
return(null);
}
public MaytinhInfoManager(string FirstIP, string LastIP, string SubnetMask)
{
_maytinh = new List <Maytinhinfo>();
try
{
string s1 = "", s2 = "";
int y = 0, x = 0, z = 0, t = 0;
if (FirstIP != "")
{
s1 = FirstIP.Substring(0, FirstIP.LastIndexOf("."));
x = int.Parse(FirstIP.Substring(FirstIP.LastIndexOf(".") + 1));
}
if (LastIP != "")
{
s2 = LastIP.Substring(0, LastIP.LastIndexOf("."));
y = int.Parse(LastIP.Substring(LastIP.LastIndexOf(".") + 1));
}
t = y - x;
if (SubnetMask != "")
{
z = 256 - int.Parse(SubnetMask.Substring(SubnetMask.LastIndexOf(".") + 1));
}
if (x < 255 && y < 255 && s1.CompareTo(s2) == 0)
{
for (int i = x; i < z && i <= y; i++)
{
string ip = s1 + "." + i.ToString();
Maytinhinfo maytinhinfo = new Maytinhinfo();
maytinhinfo.ClientIP = ip;
_maytinh.Add(maytinhinfo);
}
}
else
{
MessageBox.Show("Nhập sai IP");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
void RenderClientList(List <Maytinhinfo> clientList)
{
if (flpPc.Controls.Count == 0)
{
foreach (Maytinhinfo clientInfo in clientList)
{
frmmaytinh frm = new frmmaytinh(clientInfo);
flpPc.Controls.Add(frm);
}
return;
}
int clientControlLength = flpPc.Controls.Count;
int i = 0;
for (i = 0; i < clientList.Count; i++)
{
Maytinhinfo clientInfoInList = clientList[i];
if (i < clientControlLength)
{
frmmaytinh frm = flpPc.Controls[i] as frmmaytinh;
Maytinhinfo clientInfoInControl = frm.maytinhinfo;
frm.SetClient(clientInfoInList);
}
else
{
frmmaytinh frm = new frmmaytinh(clientInfoInList);
flpPc.Controls.Add(frm);
}
}
if (i < flpPc.Controls.Count)
{
for (int j = flpPc.Controls.Count - 1; j >= i; j--)
{
flpPc.Controls.RemoveAt(j);
}
}
}
void AddTail(Maytinhinfo client)
{
_maytinh.Add(client);
}
public void ReceiveCommand(object obj)
{
Socket client = obj as Socket;
string ClientIP = client.RemoteEndPoint.ToString().Split(':')[0];
Maytinhinfo maytinhinfo = maytinhInfoManager.Find(ClientIP);
try
{
while (true)
{
byte[] buffer = new byte[Buffersize];
client.Receive(buffer);
ServerResponse response = ServerResponse.Deserialize(buffer);
switch (response.Type)
{
case ServerResponseType.SendDSCSDL:
break;
case ServerResponseType.SendListStudentExcel:
break;
case ServerResponseType.SendStudent:
Student student = response.Data as Student;
maytinhinfo.student = student;
maytinhinfo.status = ClientinfoStatus.StudentConnected;
if (_onClientListChanged != null)
{
_onClientListChanged(maytinhInfoManager.maytinh);
}
break;
case ServerResponseType.SendMessage:
break;
case ServerResponseType.SendPcName:
string pcname = response.Data as string;
maytinhinfo.PCName = pcname;
maytinhinfo.status = ClientinfoStatus.ClientConnected;
if (_onClientListChanged != null)
{
_onClientListChanged(maytinhInfoManager.maytinh);
}
break;
case ServerResponseType.DisconnectAll:
break;
case ServerResponseType.BeginExam:
break;
case ServerResponseType.FinishExam:
FileContainer savefilebaithi = response.Data as FileContainer;
string savepath = this.serverpath;
if (!Directory.Exists(savepath))
{
Directory.CreateDirectory(savepath);
}
string fileName = savefilebaithi.FileInfo.Name;
string fullPath = Path.Combine(savepath, fileName);
byte[] fileContent = savefilebaithi.FileContent;
using (var fileStream = File.Create(fullPath))
fileStream.Write(fileContent, 0, fileContent.Length);
break;
case ServerResponseType.LockClient:
break;
case ServerResponseType.Undefined:
break;
default:
break;
}
}
}
catch (Exception)
{
maytinhinfo.status = ClientinfoStatus.Disconnected;
if (_onClientListChanged != null)
{
_onClientListChanged(maytinhInfoManager.maytinh);
}
ListClient.Remove(client);
client.Close();
}
}
