//
// Authors:
//   Ben Motmans <ben.motmans@gmail.com>
//   Lucas Ontivero lucas.ontivero@gmail.com
//
// Copyright (C) 2007 Ben Motmans
// Copyright (C) 2014 Lucas Ontivero
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

namespace Open.Nat
{
    internal static class PmpConstants
    {
        public const byte Version = 0;

        public const byte OperationExternalAddressRequest = 0;
        public const byte OperationCodeUdp = 1;
        public const byte OperationCodeTcp = 2;
        public const byte ServerNoop = 128;

        public const int ClientPort = 5350;
        public const int ServerPort = 5351;

        public const int RetryDelay = 250;
        public const int RetryAttempts = 9;

        public const int RecommendedLeaseTime = 60*60;
        public const int DefaultLeaseTime = RecommendedLeaseTime;

        public const short ResultCodeSuccess = 0; // Success
        public const short ResultCodeUnsupportedVersion = 1; // Unsupported Version

        public const short ResultCodeNotAuthorized = 2;
                           // Not Authorized/Refused (e.g. box supports mapping, but user has turned feature off)

        public const short ResultCodeNetworkFailure = 3;
                           // Network Failure (e.g. NAT box itself has not obtained a DHCP lease)

        public const short ResultCodeOutOfResources = 4;
                           // Out of resources (NAT box cannot create any more mappings at this time)

        public const short ResultCodeUnsupportedOperationCode = 5; // Unsupported opcode
    }
}