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using System.IO; |
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using System.Text; |
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namespace Libplanet.Stun.Attributes |
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{
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public class ErrorCode : Attribute |
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{
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public ErrorCode(int code, string reason) |
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{
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Code = code; |
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Reason = reason; |
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}
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public override AttributeType Type => AttributeType.ErrorCode; |
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public int Code { get; } |
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public string Reason { get; } |
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internal static ErrorCode Parse(byte[] payload) |
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{
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byte @class = payload[2]; |
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byte code = payload[3]; |
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string reason = Encoding.ASCII.GetString( |
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payload, 4, payload.Length - 4); |
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return new ErrorCode(@class * 100 + code, reason); |
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}
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protected override byte[] EncodePayload(byte[] transactionId) |
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{
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using var ms = new MemoryStream(); |
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ms.WriteByte(0x00); |
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ms.WriteByte(0x00); |
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ms.WriteByte((byte)(Code / 100)); |
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ms.WriteByte((byte)(Code % 100)); |
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var reason = Encoding.ASCII.GetBytes(Reason); |
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ms.Write(reason, 0, reason.Length); |
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return ms.ToArray(); |
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}
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}
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}
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