通常只允许每个套接字地址(协议/网络地址/端口)使用一种吗? [英] Only one usage of each socket address (protocol/network address/port) is normally permitted?
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问题描述
我一直在寻找一种针对Google的严肃解决方案,但我只得到注册解决方案"这类东西,我认为这甚至与我的问题无关.
I've been looking for a serious solution on google and i only get "Regisrty solutions" kind of stuff which i don't think even relate to my problem.
由于某种原因,我收到此错误,而我只启动一次TcpListner,而当+ if失败时,我停止了服务器.我真的不明白.这是我的代码:
For some reason i get this Error, while i'm only starting the TcpListner once, and when+if fails i stop the server. I really don't get it. Here is my code:
class Program
{
private static string ServerName = "";
private static string UserName = "";
private static string Password = "";
private static string dbConnectionSring = "";
private static X509Certificate adminCertificate;
private static byte[] readBuffer = new byte[4096];
static void Main(string[] args)
{
Console.WriteLine("Please grant SQL Server access to the Admin Server:\n");
Console.Write("Server Name: ");
ServerName = Console.ReadLine();
Console.Write("\nUser Name: ");
UserName = Console.ReadLine();
Console.Write("\nPassword: ");
Password = PasswordMasker.Mask(Password);
dbConnectionSring = SQLServerAccess.CreateConnection(ServerName, UserName, Password);
adminCertificate = Certificate.GenerateOrImportCertificate("AdminCert.pfx", "randomPassword");
try
{
Console.WriteLine("Initializing server on the WildCard address on port 443...");
TcpListener listener = new TcpListener(IPAddress.Any, 443);
try
{
Console.WriteLine("Starting to listen at {0}: 443...", IPAddress.Any);
//the backlog is set to the maximum integer value, but the underlying network stack will reset this value to its internal maximum value
listener.Start(int.MaxValue);
Console.WriteLine("Listening... Waiting for a client to connect...");
int ConnectionCount = 0;
while (true)
{
try
{
listener.BeginAcceptTcpClient(new AsyncCallback(AcceptCallback), listener);
ConnectionCount++;
Console.WriteLine(
" Accepted connection #" + ConnectionCount.ToString());
}
catch (SocketException err)
{
Console.WriteLine("Accept failed: {0}", err.Message);
}
}
}
catch (Exception ex)
{
Console.WriteLine("Listening failed to start.");
listener.Stop();
Console.WriteLine(ex.Message);
}
}
catch (Exception ex)
{
Console.WriteLine("Initialiazing server Failed.");
Console.WriteLine(ex.Message);
}
}
非常感谢您的帮助!
推荐答案
- 我打开CMD并输入:netstat -a
- 我在本地地址"列中进行了查看.
- 我看了看端口部分.
- 我发现程序中的端口已经在另一个程序中处于活动状态(正在使用中).
-
我将程序中的端口更改为其他端口.
- I opened CMD and typed in : netstat -a
- I took a look in the Local Address column.
- I took a look at the port portion.
- I saw that the port in my program is already active( in use ) in another program.
I changed my port in my program to something else.
成功了!
非常感谢:@ DavidSchwartz,@ Gusman
Big thanks to: @DavidSchwartz, @Gusman
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