LeagueARAMTracker/LeagueAPI/Utils/ProcessFinder.cs

using System.Diagnostics;
using System.Net.Sockets;

namespace LeagueAPI.Utils;

public static class ProcessFinder
{
    public static Process GetProcess()
    {
        Process[] processesByName = Process.GetProcessesByName("LeagueClientUx");
        return processesByName.FirstOrDefault(p => p.ProcessName == "LeagueClientUx")
            ?? throw new InvalidOperationException("Failed to find LCUx process.");
    }

    public static ProcessInfo GetProcessInfo()
    {
        return new ProcessInfo(GetProcess());
    }

    public static bool IsActive()
    {
        try
        {
            GetProcessInfo();
            return true;
        }
        catch (InvalidOperationException)
        {
            return false;
        }
    }

    public static bool IsPortOpen()
    {
        try
        {
            return IsPortOpen(GetProcessInfo());
        }
        catch (InvalidOperationException)
        {
            return false;
        }
    }

    public static bool IsPortOpen(ProcessInfo processInfo)
    {
        try
        {
            using TcpClient tcpClient = new();
            tcpClient.Connect("127.0.0.1", processInfo.AppPort);
            tcpClient.Close();
            return true;
        }
        catch (SocketException)
        {
            return false;
        }
    }
}