69 lines
2.5 KiB
C#
69 lines
2.5 KiB
C#
//
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// Authors:
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// Lucas Ontivero lucasontivero@gmail.com
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//
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// Copyright (C) 2014 Lucas Ontivero
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Net.NetworkInformation;
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using System.Net.Sockets;
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namespace Open.Nat
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{
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internal class IPAddressesProvider : IIPAddressesProvider
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{
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#region IIPAddressesProvider Members
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public IEnumerable<IPAddress> UnicastAddresses()
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{
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return IPAddresses(p => p.UnicastAddresses.Select(x => x.Address));
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}
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public IEnumerable<IPAddress> DnsAddresses()
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{
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return IPAddresses(p => p.DnsAddresses);
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}
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public IEnumerable<IPAddress> GatewayAddresses()
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{
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return IPAddresses(p => p.GatewayAddresses.Select(x => x.Address));
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}
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#endregion
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private static IEnumerable<IPAddress> IPAddresses(Func<IPInterfaceProperties, IEnumerable<IPAddress>> ipExtractor)
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{
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return from networkInterface in NetworkInterface.GetAllNetworkInterfaces()
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where
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networkInterface.OperationalStatus == OperationalStatus.Up ||
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networkInterface.OperationalStatus == OperationalStatus.Unknown
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let properties = networkInterface.GetIPProperties()
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from address in ipExtractor(properties)
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where address.AddressFamily == AddressFamily.InterNetwork
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select address;
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}
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}
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} |