Example #1
0
        //Read
        //Decrypted
        private void Read(IAsyncResult ar)
        {
            CryptoStream             cs;
            MemoryStream             ms  = new MemoryStream();
            DESCryptoServiceProvider des = new DESCryptoServiceProvider();

            des.Key = ASCIIEncoding.ASCII.GetBytes("12345678");
            des.IV  = ASCIIEncoding.ASCII.GetBytes("12345678");

            object[]    obj         = (object[])ar.AsyncState;
            ClientClass clientClass = (ClientClass)obj[0];

            byte[] arr   = (byte[])obj[1];
            int    count = clientClass.networkStream.EndRead(ar);

            cs = new CryptoStream(ms, des.CreateDecryptor(),
                                  CryptoStreamMode.Write);
            cs.Write(arr, 0, count);
            cs.FlushFinalBlock();
            this.Invoke(new Action(() =>
            {
                string msg = ASCIIEncoding.ASCII.GetString(ms.ToArray());
                listBox1.Items.Add(clientClass.clientname + " : " + msg);
                ms.Flush();
                // listBox1.Items.Add(clientClass.clientname + " : " + Encoding.ASCII.GetString(arr, 0, count));
            }));
            clientClass.networkStream.Flush();
            clientClass.networkStream.BeginRead(arr, 0, arr.Length, new AsyncCallback(Read), new object[] { clientClass, arr });
        }
        public void RemoveConnection(string id)
        {
            ClientClass client = clients.FirstOrDefault(c => c.Id == id);

            if (client != null)
            {
                clients.Remove(client);
            }
        }
Example #3
0
        private void button1_Click(object sender, EventArgs e)
        {
            string check = comboBox1.Text;

            byte[] arr = new byte[1024];
            arr = ASCIIEncoding.ASCII.GetBytes(textBox1.Text);

            if (check == "All")
            {
                foreach (ClientClass item in clientlist)
                {
                    item.networkStream.Write(arr, 0, arr.Length);
                }
            }
            else
            {
                ClientClass client = clientlist.Find(p => p.clientname == check);
                client.networkStream.Write(arr, 0, arr.Length);
            }
        }
Example #4
0
        //Accept
        private void acceptclients(IAsyncResult asyncResult)
        {
            tcpListener = (TcpListener)asyncResult.AsyncState;
            TcpClient   tcpClient   = tcpListener.EndAcceptTcpClient(asyncResult);
            ClientClass clientClass = new ClientClass(tcpClient);

            byte[] arr = new byte[1024];
            int    c   = clientClass.networkStream.Read(arr, 0, arr.Length);

            clientClass.clientname = ASCIIEncoding.ASCII.GetString(arr, 0, c);
            this.Invoke(new Action(() =>
            {
                comboBox1.Items.Add(clientClass.clientname);
                MessageBox.Show(clientClass.clientname + " : Connected");
            }));

            clientlist.Add(clientClass);
            //Read
            clientClass.networkStream.BeginRead(arr, 0, arr.Length, new AsyncCallback(Read), new object[] { clientClass, arr });
            tcpListener.BeginAcceptTcpClient(new AsyncCallback(acceptclients), tcpListener);
        }
        public void Listen()
        {
            try
            {
                tcpListener = new TcpListener(IPAddress.Any, 8888);
                tcpListener.Start();
                Console.WriteLine("Сервер запущен. Ожидание...");

                while (true)
                {
                    TcpClient tcpClient = tcpListener.AcceptTcpClient();

                    ClientClass clientObject = new ClientClass(tcpClient, this);
                    Thread      clientThread = new Thread(new ThreadStart(clientObject.Process));
                    clientThread.Start();
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Disconnect();
            }
        }
 public void AddConnection(ClientClass client1)
 {
     clients.Add(client1);
 }