private void FixAndSaveResult(ArraySegment <byte> smgt, UdpPayloadCache outStream)
{
UdpSentence baseModel = null;
try
{
if (UdpPanSpt.TryParse(smgt, out var sptModel))
{
FixPANSPT(sptModel);
baseModel = sptModel;
}
else if (UdpPanSsy.TryParse(smgt, out var ssyModel))
{
FixPANSSY(ssyModel);
baseModel = ssyModel;
}
else
{
OnlySaveResult(smgt, outStream);
}
if (baseModel != null)
{
SaveResult(baseModel.ToBytes(), outStream);
}
}
catch
{
// ignored
}
}
public void PayloadSplit()
{
var parts = new[]
{
new byte[UdpPayloadCache.UdpPayloadLength - 200],
new byte[200],
new byte[UdpPayloadCache.UdpPayloadLength - 400],
new byte[200],
new byte[400],
new byte[UdpPayloadCache.UdpPayloadLength]
};
for (int i = 0; i < parts.Length - 1; i++)
{
parts[i].Populate((byte)(i + 1));
}
using (var cache = new UdpPayloadCache())
{
foreach (var part in parts)
{
cache.Write(part, 0, part.Length);
}
var result = cache.GetPayloads();
Assert.AreEqual(result.Length, 3);
Assert.IsTrue(result[0].ContainsSubArray(parts[0]) && result[0].ContainsSubArray(parts[1]), "First split is wrong");
Assert.IsTrue(result[1].ContainsSubArray(parts[2]) && result[1].ContainsSubArray(parts[3]) && !result[1].ContainsSubArray(parts[4]), "Second split is wrong");
Assert.IsTrue(result[2].ContainsSubArray(parts[4]), "Third split is wrong");
Assert.AreEqual(3, result.Length, "Amount of packets is not correct");
}
}
private void OnlySaveResult(ArraySegment <byte> smgt, UdpPayloadCache outStream)
{
if (smgt.Array == null)
{
return;
}
outStream.Write(smgt.Array, smgt.Offset, smgt.Count);
}
private byte[][] FixSentences(byte[] input)
{
using (var outStream = new UdpPayloadCache())
{
for (int i = 0; i < input.Length; i++)
{
if (input[i] == UdpSentence.SentenceBegin)
{
var sntSgmt = GetSentenceFrom(input, i);
FixAndSaveResult(sntSgmt, outStream);
i += sntSgmt.Count - 1;
}
else
{
outStream.WriteByte(input[i]);
}
}
return(outStream.GetPayloads());
}
}
private void SaveResult(byte[] input, UdpPayloadCache outStream)
{
outStream.Write(input, 0, input.Length);
}