Files
Proftaak-RH-B4/Client/Client.cs
2020-09-25 13:11:14 +02:00

128 lines
4.0 KiB
C#

using System;
using System.Linq;
using System.Net.Sockets;
using System.Text;
using ProftaakRH;
namespace Client
{
class Client : IDataReceiver
{
private TcpClient client;
private NetworkStream stream;
private byte[] buffer = new byte[1024];
private bool connected;
private byte[] totalBuffer = new byte[1024];
private int totalBufferReceived = 0;
public Client() : this("localhost", 5555)
{
}
public Client(string adress, int port)
{
this.client = new TcpClient();
this.connected = false;
client.BeginConnect(adress, port, new AsyncCallback(OnConnect), null);
}
private void OnConnect(IAsyncResult ar)
{
this.client.EndConnect(ar);
Console.WriteLine("Verbonden!");
this.stream = this.client.GetStream();
//TODO File in lezen
Console.WriteLine("enter username");
string username = Console.ReadLine();
Console.WriteLine("enter password");
string password = Console.ReadLine();
byte[] message = DataParser.getJsonMessage(DataParser.GetLoginJson(username, password));
this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
this.stream.BeginRead(this.buffer, 0, this.buffer.Length, new AsyncCallback(OnRead), null);
//TODO lees OK message
//temp moet eigenlijk een ok bericht ontvangen
this.connected = true;
}
private void OnRead(IAsyncResult ar)
{
int receivedBytes = this.stream.EndRead(ar);
if (totalBufferReceived + receivedBytes > 1024)
{
throw new OutOfMemoryException("buffer too small");
}
Array.Copy(buffer, 0, totalBuffer, totalBufferReceived, receivedBytes);
totalBufferReceived += receivedBytes;
int expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
while (totalBufferReceived >= expectedMessageLength)
{
//volledig packet binnen
byte[] messageBytes = new byte[expectedMessageLength];
Array.Copy(totalBuffer, 0, messageBytes, 0, expectedMessageLength);
string identifier;
bool isJson = DataParser.getJsonIdentifier(messageBytes, out identifier);
if (isJson)
{
Console.WriteLine($"Received json :\n{Encoding.ASCII.GetString(messageBytes.Skip(5).ToArray())}");
}
else if (DataParser.isRawData(this.buffer))
{
Console.WriteLine($"Received data: {BitConverter.ToString(messageBytes.Skip(5).ToArray())}");
}
totalBufferReceived -= expectedMessageLength;
expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
}
this.stream.BeginRead(this.buffer, 0, this.buffer.Length, new AsyncCallback(OnRead), null);
}
private void OnWrite(IAsyncResult ar)
{
this.stream.EndWrite(ar);
}
#region interface
//maybe move this to other place
public void BPM(byte[] bytes)
{
if (bytes == null)
{
throw new ArgumentNullException("no bytes");
}
byte[] message = DataParser.GetRawDataMessage(bytes);
this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
}
public void Bike(byte[] bytes)
{
if (bytes == null)
{
throw new ArgumentNullException("no bytes");
}
byte[] message = DataParser.GetRawDataMessage(bytes);
this.stream.BeginWrite(message, 0, message.Length, new AsyncCallback(OnWrite), null);
}
#endregion
public bool IsConnected()
{
return this.connected;
}
}
}