39 lines
1.6 KiB
C#
39 lines
1.6 KiB
C#
using System;
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namespace S7.Net
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{
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[Serializable]
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public class InvalidDataException : Exception
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{
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public byte[] ReceivedData { get; }
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public int ErrorIndex { get; }
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public byte ExpectedValue { get; }
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public InvalidDataException(string message, byte[] receivedData, int errorIndex, byte expectedValue)
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: base(FormatMessage(message, receivedData, errorIndex, expectedValue))
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{
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ReceivedData = receivedData;
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ErrorIndex = errorIndex;
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ExpectedValue = expectedValue;
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}
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protected InvalidDataException(System.Runtime.Serialization.SerializationInfo info,
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System.Runtime.Serialization.StreamingContext context) : base(info, context)
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{
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ReceivedData = (byte[])info.GetValue(nameof(ReceivedData), typeof(byte[]));
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ErrorIndex = info.GetInt32(nameof(ErrorIndex));
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ExpectedValue = info.GetByte(nameof(ExpectedValue));
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}
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private static string FormatMessage(string message, byte[] receivedData, int errorIndex, byte expectedValue)
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{
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if (errorIndex >= receivedData.Length)
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throw new ArgumentOutOfRangeException(nameof(errorIndex),
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$"{nameof(errorIndex)} {errorIndex} is outside the bounds of {nameof(receivedData)} with length {receivedData.Length}.");
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return $"{message} Invalid data received. Expected '{expectedValue}' at index {errorIndex}, " +
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$"but received {receivedData[errorIndex]}. See the {nameof(ReceivedData)} property " +
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"for the full message received.";
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}
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}
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} |