NetworkDataSender

using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.Networking;

#pragma warning disable CS0618 // Type or member is obsolete
public class NetworkDataSender
{
    readonly int BYTE_SIZE;
    NetworkConnection connection;

    public NetworkDataSender(int byte_size)
    {
        BYTE_SIZE = byte_size;
        this.connection = Client.GetInstance().GetConnection();
    }
    
    public void SendServerReliable(NetMsg msg)
    {
        byte error;
        if (connection == null) return;
        if (!connection.isStarted) return;

        byte[] buffer = new byte[BYTE_SIZE];

        using (MemoryStream ms = new MemoryStream(buffer))
        {
            BinaryWriter writer = new BinaryWriter(ms);
            writer.Write(msg.ToString());

            Debug.Log($"msg = {msg.ToString()}, message byte size = " + (int)ms.Position);
            NetworkTransport.Send(connection.hostId, connection.connectionId, connection.reliableChannel, buffer, BYTE_SIZE, out error);
        }
    }
}