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面臨以下問題。從文本文件讀取數據。每40毫秒,數據就會發送到服務器。服務器必須將數據讀入單獨流中的無限循環。但是這沒有發生。哪裏不對?C#TCP Server-Client:無法從客戶端無限循環接收數據
客戶:
class Client
{
private TcpClient _client;
private Stream _stream;
private Boolean _isConnected;
private double[] _values;
public Client(String ipAddress, int portNum)
{
_client = new TcpClient();
_client.Connect(ipAddress, portNum);
}
public void SendValues(double[] values)
{
_values = values;
HandleCommunication();
}
public void HandleCommunication()
{
_isConnected = true;
_stream = _client.GetStream();
var dataBytes = new List<byte>();
foreach (double value in _values)
{
dataBytes.AddRange(BitConverter.GetBytes(value));
}
_client.SendBufferSize = _values.Length * sizeof(double);
_stream.Write(dataBytes.ToArray(), 0, _client.SendBufferSize);
Console.Write("Sending...");
_stream.Flush();
}
發送數據:
public partial class MainWindow : Window
{
private double[] values;
private System.Timers.Timer timer = new System.Timers.Timer(40);
Client _client = new Client("127.0.0.1", 55443);
public MainWindow()
{
InitializeComponent();
OpenSrcFile();
timer.Elapsed += TimerOnElapsed;
timer.Enabled = true;
}
private void TimerOnElapsed(object sender, ElapsedEventArgs e)
{
Console.WriteLine("is sending...");
_client.SendValues(values);
}
public void OpenSrcFile()
{
List<string> lines = File.ReadAllLines(@"file.txt").ToList();
string r = lines[0];
int sizeX = int.Parse(lines[1]);
lines.RemoveRange(0, 2);
values = GetValues(lines.ToArray());
}
private double[] GetValues(string[] lines)
{
return lines.Select(line => double.Parse(line.Replace(" ", ""), CultureInfo.InvariantCulture)).ToArray();
}
服務器:
class Server
{
private TcpListener _server;
private Boolean _isRunning;
public Server(int port)
{
_server = new TcpListener(IPAddress.Parse("127.0.0.1"), port);
_server.Start();
_isRunning = true;
}
public double[] GetData()
{
// wait for client connection
TcpClient client = _server.AcceptTcpClient();
Console.WriteLine("Connected!");
var stream = client.GetStream();
byte[] buffer = new byte[256*sizeof (double)];
stream.Read(buffer, 0, buffer.Length);
double[] newValues = new double[buffer.Length/sizeof (double)];
for (int i = 0; i < newValues.Length; i++)
{
newValues[i] = BitConverter.ToDouble(buffer, i*sizeof (double));
}
stream.Flush();
return newValues;
}
}
接收數據,但由於某種原因不能正常工作
public partial class MainWindow : Window
{
private Thread _thread;
private double[] _values;
private Server _server = new Server(55443);
public MainWindow()
{
InitializeComponent();
InitializeThread();
}
private void InitializeThread()
{
_thread = new Thread(GetData);
_thread.IsBackground = true;
_thread.Start();
}
private void GetData()
{
while (true)
{
_values = _server.GetData();
Console.WriteLine("...");
}
}
}
好的,客戶端發送一個字節數組,這部分工作正常。然後我們需要將這個字節數組放入一個單獨線程的無限循環中。就像在這個地方:
private void InitializeThread()
{
_thread = new Thread(GetData);
_thread.IsBackground = true;
_thread.Start();
}
private void GetData()
{
while (true)
{
_values = _server.GetData();
Console.WriteLine("...");
}
}
但不知何故,服務器接收一個字節數組,然後什麼都沒有發生。 函數GetData你可以在代碼中找到
第一個問題 - 你忽略'stream.Read(buffer,0,buffer.Length);' – 2014-11-03 18:14:27
的返回值我想你需要添加更多的'Debug.WriteLine'語句,以便你有更多的處理正在發生的事情。 – Sjips 2014-11-03 18:16:30
改變這一行:'stream.Read(buffer,0,buffer.Length);'進入'var bytesRead = stream.Read(buffer,0,buffer.Length);'並檢查/ debug.writeline的值。它是你期望的(即它是否與你發送的數組大小一致)? – Sjips 2014-11-03 18:28:19