public void ReadMultilineBuffered()
{
var Lines = new List <string>();
var Buffer = new char[128];
using (var Reader = new BinaryTextReader(_TestMultilineInput, Encoding.UTF8))
{
while (!Reader.EndOfReader)
{
var Offset = 0;
bool Success;
do
{
Success = Reader.TryReadLine(Buffer.AsSpan(Offset, 4), out var CharsWritten);
Offset += CharsWritten;
}while (!Success);
Lines.Add(Buffer.AsSpan(0, Offset).AsString());
}
}
// TODO: Will this fail on Linux? Maybe if the file is changed from CRLF
Assert.AreEqual(_TestMultilineOutput, string.Join("\r\n", Lines));
}
public void ReadMultilineBufferedSkip()
{
var Buffer = new char[4];
using (var Reader = new BinaryTextReader(_TestMultilineInput, Encoding.UTF8, false, 4))
{
while (!Reader.EndOfReader)
{
if (!Reader.TryReadLine(Buffer, out var CharsWritten))
{
Reader.SkipLine();
}
}
}
}
public void TempTest()
{
using var RawEventFile = File.Open(@"C:\Development\Resources\Zenith\Events 134.log", FileMode.Open);
using var RawReader = new StreamBufferReader(RawEventFile);
using var EventReader = new BinaryTextReader(RawReader);
var EventBuffer = new char[128];
var TotalRecords = 0;
var LastSequenceNumber = 1L;
var TimeStamp = DateTimeOffset.MinValue;
var IsStatus = false;
while (!EventReader.EndOfReader)
{
var Offset = 0;
// Decode the start of the next line into the buffer. It should be more than sufficiently large for the header
if (!EventReader.TryReadLine(EventBuffer.AsSpan(Offset), out var CharsWritten))
{
EventReader.SkipLine(); // We don't need the rest of the line data, no sense copying it
}
var Line = EventBuffer.AsSpan(0, CharsWritten);
if (Line.IsEmpty)
{
continue;
}
// Find the first SequenceNumber:DateTimeUtc:Type:Data divider
var Divider = Line.IndexOf(':');
if (Divider == -1)
{
continue;
}
// Process the sequence number
if (!long.TryParse(Line.Slice(0, Divider), NumberStyles.None, CultureInfo.InvariantCulture, out var SequenceNumber))
{
continue;
}
TotalRecords++;
LastSequenceNumber = SequenceNumber;
IsStatus = false;
// Find the next divider (end of DateTimeUtc)
var NextDivider = Line.Slice(++Divider).IndexOf(':');
if (NextDivider == -1)
{
continue;
}
if (!DateTimeOffset.TryParseExact(Line.Slice(Divider, NextDivider), "yyyyMMddHHmmssfff", CultureInfo.InvariantCulture, DateTimeStyles.None, out var NewTimeStamp))
{
continue;
}
TimeStamp = NewTimeStamp;
Divider += NextDivider + 1;
// Next divider (end of Type)
NextDivider = Line.Slice(Divider).IndexOf(':');
var Type = Line.Slice(Divider, NextDivider);
// Check if it's a Status event
IsStatus = Type.SequenceEqual("Status");
}
}