FastGithub/FastGithub.Configuration/ReverseProxyPort.cs
2021-11-23 16:22:30 +08:00

83 lines
2.4 KiB
C#

using System;
using System.Collections.Generic;
using System.Net;
using System.Net.NetworkInformation;
namespace FastGithub.Configuration
{
/// <summary>
/// 反向代理端口
/// </summary>
public static class ReverseProxyPort
{
/// <summary>
/// ssh端口
/// </summary>
public static int Ssh { get; }
/// <summary>
/// git端口
/// </summary>
public static int Git { get; }
/// <summary>
/// http端口
/// </summary>
public static int Http { get; }
/// <summary>
/// https端口
/// </summary>
public static int Https { get; }
/// <summary>
/// 反向代理端口
/// </summary>
static ReverseProxyPort()
{
var ports = new TcpListenerPortCollection();
Ssh = ports.GetAvailablePort(22);
Git = ports.GetAvailablePort(9418);
Http = OperatingSystem.IsWindows() ? ports.GetAvailablePort(80) : ports.GetAvailablePort(3880);
Https = OperatingSystem.IsWindows() ? ports.GetAvailablePort(443) : ports.GetAvailablePort(38443);
}
/// <summary>
/// 已监听的tcp端口集合
/// </summary>
private class TcpListenerPortCollection
{
private readonly HashSet<int> tcpPorts = new();
/// <summary>
/// 已监听的tcp端口集合
/// </summary>
public TcpListenerPortCollection()
{
var tcpListeners = IPGlobalProperties.GetIPGlobalProperties().GetActiveTcpListeners();
foreach (var endpoint in tcpListeners)
{
this.tcpPorts.Add(endpoint.Port);
}
}
/// <summary>
/// 获取可用的随机Tcp端口
/// </summary>
/// <param name="minValue"></param>
/// <returns></returns>
public int GetAvailablePort(int minValue)
{
for (var port = minValue; port < IPEndPoint.MaxPort; port++)
{
if (this.tcpPorts.Contains(port) == false)
{
return port;
}
}
throw new FastGithubException("当前无可用的端口");
}
}
}
}