Add project files.

LeagueAPI/Utils/ProcessFinder.cs

@@ -0,0 +1,59 @@
+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;
+        }
+    }
+}