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我想连接Android上的统一应用程序与计算机应用程序。我可以在网络上运行它,但通过互联网它总是说机器拒绝连接。我已经停用Windows和防病毒的防火墙,但仍然有连接的服务器和Android客户端问题:通过TCP/IP连接'连接被拒绝'
No connection could be made because the target machine actively refused it.
下面是代码:
服务器端:
TcpListener tcpListener;
Socket socket;
NetworkStream networkStream;
Thread thread;
string getIpAddress()
{
System.Net.IPHostEntry host;
string localIp = "";
host = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName());
foreach (System.Net.IPAddress ip in host.AddressList)
{
localIp = ip.ToString();
}
return localIp;
}
public void ReceiveImage()
{
try
{
IPAddress localAddr = IPAddress.Parse("95.171.54.53");
tcpListener = new TcpListener(localAddr, 53100);
tcpListener.Start();
socket = tcpListener.AcceptSocket();
networkStream = new NetworkStream(socket);
pictureBox1.Image = Image.FromStream(networkStream);
if (socket.Connected == true)
{
while (true)
{
tcpListener.Stop();
ReceiveImage();
}
}
}
catch(Exception ex)
{
string Message = ex.Message;
}
}
private void Form1_Load(object sender, EventArgs e)
{
thread = new Thread(new ThreadStart(ReceiveImage));
thread.Start();
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
tcpListener.Stop();
thread.Abort();
}
这是客户端:
// Update is called once per frame
int frameSaveCount = -1;
int FrameCount = -1;
Socket socket;
NetworkStream networkStream;
Thread thread;
MemoryStream memoryStream;
TcpClient tcpClient;
BinaryWriter binaryWriter;
void Update()
{
// ...
if(FrameCount % 10==0)
{
// ...
send(bytes);
}
}
void send(Byte[] bytes)
{
try
{
print(getIpAddress());
tcpClient = new TcpClient("95.171.54.53", 53100);
networkStream = tcpClient.GetStream();
binaryWriter = new BinaryWriter(networkStream);
binaryWriter.Write(bytes);
binaryWriter.Close();
networkStream.Close();
tcpClient.Close();
}
catch (Exception exception)
{
string message = exception.Message;
print(message);
}
}
服务器上是否有可能拒绝连接的防火墙?你能在客户端上使用telnet连接吗?或者另一个任意机器?我会首先检查服务器是否可访问,然后继续调试客户机 - 服务器连接。 –
服务器是否实际托管在设置为主机服务器的网络上? –
您的服务器端异常处理是不可接受的基础。 – EJP