///////////////////////////////////////////////////////////////////////////////
//
//  Microsoft Research Singularity
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//
//  File:   ChannelUtils.sg
//  Note:   Utilities for using the NetStack channels
//

using System;
using System.Net.IP;
using NetStack.Contracts;

namespace NetStack.Channels.Public
{
    public class ChannelUtils
    {
        public static string AddressToString(uint address)
        {
            return String.Format("{0}.{1}.{2}.{3}",
                                 (address & 0xff000000) >> 24,
                                 (address & 0x00ff0000) >> 16,
                                 (address & 0x0000ff00) >> 8,
                                 (address & 0x000000ff));
        }

        public static string HardwareAddressToString(HardwareAddress addr)
        {
            return String.Format("{0:x2}:{1:x2}:{2:x2}:{3:x2}:{4:x2}:{5:x2}",
                                 addr.b0, addr.b1, addr.b2, addr.b3, addr.b4, addr.b5);
        }

        public static string NetworkToString(Network nwrk)
        {
            return AddressToString(nwrk.network) + " / " + AddressToString(nwrk.netmask);
        }

        public static Network NetworkToChannelNetwork(IPv4Network nwrk)
        {
            Network retval = new Network();
            retval.network = (uint)nwrk.Network;
            retval.netmask = (uint)nwrk.NetMask;
            return retval;
        }

        public static IPv4Network ChannelNetworkToNetwork(Network nwrk)
        {
            return new IPv4Network(new IPv4(nwrk.network), new IPv4(nwrk.netmask));
        }
    }
}