Kernel.cs

using Cosmos.HAL;
using Cosmos.HAL.BlockDevice;
using Cosmos.System.FileSystem;
using Cosmos.System.FileSystem.VFS;
using Cosmos.System.Network;
using Cosmos.System.Network.ARP;
using Cosmos.System.Network.Config;
using Cosmos.System.Network.IPv4;
using Cosmos.System.Network.IPv4.TCP;
using Cosmos.System.Network.IPv4.TCP.FTP;
using Cosmos.System.Network.IPv4.UDP;
using Cosmos.System.Network.IPv4.UDP.DHCP;
using Cosmos.System.Network.IPv4.UDP.DNS;
using Cosmos.TestRunner;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using Sys = Cosmos.System;

namespace NetworkTest
{
    public class Kernel : Sys.Kernel
    {

        CosmosVFS fs;

        protected override void BeforeRun()
        {
            /*NetworkDevice nic = NetworkDevice.GetDeviceByName("eth0"); //get network device by name
            //IPConfig.Enable(nic, Address.Parse("10.33.20.54"), new Address(255, 255, 255, 0), Address.Parse("10.33.20.254")); //enable IPv4 configuration

            IPConfig.Enable(nic, new Address(10, 33, 20, 54), new Address(255, 255, 255, 0), new Address(10, 33, 20, 254)); //enable IPv4 configuration

            Console.WriteLine("Network config done! IP=" + NetworkConfig.CurrentConfig.Value.IPAddress.ToString());*/

            fs = new CosmosVFS();
            VFSManager.RegisterVFS(fs);
        }

        protected override void Run()
        {
            try
            {
                var cmd = Console.ReadLine();

                if (cmd == "format")
                {
                    fs.Format("1" /*drive id*/, "FAT32" /*fat type*/, true /*use quick format*/);
                }
                else if (cmd == "list")
                {
                    ListFiles();
                }
                else if (cmd == "info")
                {
                    var available_space = fs.GetAvailableFreeSpace(@"0:\");
                    Console.WriteLine("Available Free Space: " + available_space);

                    var fs_type = fs.GetFileSystemType(@"0:\");
                    Console.WriteLine("File System Type: " + fs_type);
                }
                else if (cmd.StartsWith("create "))
                {
                    var dirname = cmd.Split(' ')[1];
                    try
                    {
                        var file_stream = File.Create(@"0:\" + dirname);
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine(e.ToString());
                    }

                    try
                    {
                        File.WriteAllText(@"0:\" + dirname, "Learning how to use VFS!");
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine(e.ToString());
                    }

                    try
                    {
                        Console.WriteLine(File.ReadAllText(@"0:\" + dirname));
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine(e.ToString());
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Exception: " + ex);
            }
        }

        public void ListFiles()
        {
            var directory_list = Directory.GetFiles(@"0:\");
            foreach (var file in directory_list)
            {
                Console.WriteLine(file);
            }
        }
    }
}