Gen_Hack-and-Slash-Roguelite/Client/Assets/Scripts/Network/UnityUdpClient.cs

using System.Net.Sockets;
using System.Threading.Tasks;
using UnityEngine;
using Utils;

namespace Network
{
    public class UnityUdpClient : Singleton<UnityUdpClient>
    {
        private readonly UdpClient _client;

        public UnityUdpClient()
        {
            _client = new UdpClient();
            _client.Connect("127.0.0.1", 12345);

            Application.quitting += () => _client.Close();
        }

        public async Task<byte[]> SendAndReceiveData(byte[] data)
        {
            await _client.SendAsync(data, data.Length);

            var result = await _client.ReceiveAsync();
            return result.Buffer;
        }
    }
}