【发布时间】:2018-06-26 00:24:10
【问题描述】:
所以我尝试使用 C# 套接字连接到服务器,但我遇到了这个错误:
System.Net.Internals.SocketExceptionFactory+ExtendedSocketException: Une tentative d’accès à un socket de manière interdite par ses autorisations d'accès a été tentée 192.168.1.17:9999
(!!抱歉不知道visual studio怎么用英文写)
这是我的代码
Socket sock;
public MainPage()
{
this.InitializeComponent();
// Initialize MyRecognizer and Load Grammar
connectToYanaForAll("192.168.1.17", 9999);
sendInfoToYanaSocket(sock);
//createGrammarFromYana(sock);
disconnectFromYana(sock);
}
public void sleep(long millis) { Stopwatch stopwatch = Stopwatch.StartNew(); while (true) { if (stopwatch.ElapsedMilliseconds >= millis) { break; } } }
public void connectToYanaForAll(String ip, int port)
{
IPAddress ipAddress = IPAddress.Parse(ip); //ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
sock = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp); <-- Fail at this line
sock.Connect(remoteEP);
}
public void disconnectFromYana(Socket sock)
{
sock.Shutdown(SocketShutdown.Both);
sock = null;
}
public void sendInfoToYanaSocket(Socket sock)
{
String infos = "{\"action\":\"client_infos\",\"type\":\"listen\",\"version\":\"2\",\"location\":\"bureau\",\"token\":\"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\"}<EOF>";
byte[] msg = Encoding.ASCII.GetBytes(infos);
int bytesSent = sock.Send(msg);
Debug.WriteLine(String.Join(bytesSent.ToString()," bytes sent!"));
}
public void createGrammarFromYana(Socket sock)
{
String infos = "{\"action\":\"GET_SPEECH_COMMANDS\"}<EOF>";
byte[] msg = Encoding.ASCII.GetBytes(infos);
int bytesSent = sock.Send(msg);
Debug.WriteLine(String.Join(bytesSent.ToString(), " bytes sent!"));
sleep(200);
byte[] bytes = new byte[4096];
int bytesRec = sock.Receive(bytes);
Debug.WriteLine(String.Join("Received: ", bytesRec.ToString(), " bytes!"));
Debug.WriteLine("Text = {0}",Encoding.ASCII.GetString(bytes, 0, bytesRec));
}
我知道您需要管理员权限才能使用原始套接字,但我使用的是stream socket,所以我有点卡住了。 (顺便说一句,我正在使用 Visual Studio 2017)
我试过的:
- 完全禁用防火墙:不起作用
- 完全禁用防病毒:不起作用
- 使用
TcpClient client = new TcpClient();类:不工作
【问题讨论】:
-
与您的问题无关,只是软件工程的问题:请使用
System.Threading.Thread.Sleep(millis);而不是您的忙等待sleep(millis)方法!
标签: c# sockets visual-studio-2017 stream-socket-client