68 lines
1.7 KiB
C#
68 lines
1.7 KiB
C#
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 AMWD.Common.MessagePack.Utilities;
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namespace MessagePack.Formatters
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{
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/// <summary>
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/// Serialization of an <see cref="IPAddress"/> list to and from <see cref="MessagePack"/>.
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/// </summary>
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[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
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public class IPAddressListFormatter : IMessagePackFormatter<List<IPAddress>>
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{
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/// <inheritdoc/>
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public List<IPAddress> Deserialize(ref MessagePackReader reader, MessagePackSerializerOptions options)
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{
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if (reader.IsNil)
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return null;
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byte[] bytes = options.Resolver.GetFormatterWithVerify<byte[]>().Deserialize(ref reader, options);
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// skipping the length information
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int bytePos = sizeof(int);
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var list = new List<IPAddress>();
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while (bytePos < bytes.Length)
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{
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byte len = bytes.Skip(bytePos).First();
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bytePos++;
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byte[] buffer = bytes.Skip(bytePos).Take(len).ToArray();
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bytePos += len;
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list.Add(new IPAddress(buffer));
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}
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return list;
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}
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/// <inheritdoc/>
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public void Serialize(ref MessagePackWriter writer, List<IPAddress> value, MessagePackSerializerOptions options)
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{
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if (value == null)
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{
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writer.WriteNil();
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return;
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}
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var bytes = new List<byte>();
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int length = value.Count;
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byte[] buffer = BitConverter.GetBytes(length);
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NetworkHelper.SwapBigEndian(buffer);
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bytes.AddRange(buffer);
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foreach (var ip in value)
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{
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buffer = ip.GetAddressBytes();
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bytes.Add((byte)buffer.Length);
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bytes.AddRange(buffer);
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}
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options.Resolver.GetFormatterWithVerify<byte[]>().Serialize(ref writer, [.. bytes], options);
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}
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}
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}
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