public byte[] ToBytes()
{
var bytes = new List<byte>(150);
var dateTime = new byte[23];
NumberHandler.InsertNumberToBytesArray(this.DateTime.Year, 0, 4, dateTime);
dateTime[4] = (byte)'-';
NumberHandler.InsertNumberToBytesArray(this.DateTime.Month, 5, 2, dateTime);
dateTime[7] = (byte)'-';
NumberHandler.InsertNumberToBytesArray(this.DateTime.Day, 8, 2, dateTime);
dateTime[10] = (byte)' ';
NumberHandler.InsertNumberToBytesArray(this.DateTime.Hour, 11, 2, dateTime);
dateTime[13] = (byte)':';
NumberHandler.InsertNumberToBytesArray(this.DateTime.Minute, 14, 2, dateTime);
dateTime[16] = (byte)':';
NumberHandler.InsertNumberToBytesArray(this.DateTime.Second, 17, 2, dateTime);
dateTime[19] = (byte)',';
NumberHandler.InsertNumberToBytesArray(this.DateTime.Millisecond, 20, 3, dateTime);
bytes.AddRange(dateTime);
bytes.Add((byte)' ');
bytes.AddRange(NumberHandler.PaddedNumberToBytesArray(this.RunTime, 6, ' '));
bytes.Add((byte)' ');
bytes.AddRange(this.Message);
return bytes.ToArray();
}
private static bool TryParseDateTime(byte[] line, out DateTime dateTime)
{
dateTime = default(DateTime);
if (line[4] == '-' && line[7] == '-' && line[10] == ' ' && line[13] == ':' && line[16] == ':' && line[19] == ',')
{
var hasYear = NumberHandler.TryParseNumber(line, 0, 4, out int year);
var hasMonth = NumberHandler.TryParseNumber(line, 5, 2, out int month);
var hasDay = NumberHandler.TryParseNumber(line, 8, 2, out int day);
var hasHour = NumberHandler.TryParseNumber(line, 11, 2, out int hour);
var hasMinute = NumberHandler.TryParseNumber(line, 14, 2, out int minute);
var hasSecond = NumberHandler.TryParseNumber(line, 17, 2, out int second);
var hasMillisecond = NumberHandler.TryParseNumber(line, 20, 3, out int millisecond);
var hasDate = hasYear && hasMonth && hasDay;
var hasTime = hasHour && hasMinute && hasSecond && hasMillisecond;
if (hasDate && hasTime)
{
try
{
dateTime = new DateTime(year, month, day, hour, minute, second, millisecond);
return true;
}
catch
{
return false;
}
}
}
return false;
}
public byte[] ToBytes()
{
var bytes = new List <byte>(150);
bytes.AddRange(NumberHandler.NumberToBytesArray((ulong)this.DeltaDateTime));
bytes.Add((byte)' ');
bytes.AddRange(NumberHandler.NumberToBytesArray(this.DeltaRunTime));
bytes.Add((byte)' ');
bytes.AddRange(this.Message);
return(bytes.ToArray());
}
public static bool TryParse(byte[] line, out CompressedLog log)
{
log = null;
if (NumberHandler.TryParseNumber(line, 0, out ulong deltaDateTime, out var indexEndDeltaTime))
{
if (NumberHandler.TryParseNumber(line, indexEndDeltaTime + 2, out ulong deltaRunTime, out var indexEndDeltaRunTime))
{
if (line[indexEndDeltaTime + 1] == ' ' && line[indexEndDeltaRunTime + 1] == ' ' && line[indexEndDeltaRunTime + 5 + 2] == ' ')
{
var message = new byte[line.Length - (indexEndDeltaRunTime + 2)];
Array.Copy(line, indexEndDeltaRunTime + 2, message, 0, line.Length - (indexEndDeltaRunTime + 2));
log = new CompressedLog(deltaDateTime, deltaRunTime, message);
return(true);
}
}
}
return(false);
}
//здесь много намертво вшитых констант, все они выбраны исходя из формата корректного лога, это плохо, но производительно
public static bool TryParse(byte[] line, out Log log)
{
log = null;
if (line.Length >= MIN_LENGHT_LOG)
{
if (TryParseDateTime(line, out var dateTime))
{
if (NumberHandler.TryParseNumber(line, 24, out ulong runtime, out var indexRunTimeEnd))
{
var indexBeginMessage = indexRunTimeEnd + 1 - 24 <= 6 ? 31 : indexRunTimeEnd + 2;
if (line[indexBeginMessage - 1] == ' ' && line[indexBeginMessage + 5] == ' ')
{
var message = new byte[line.Length - indexBeginMessage];
Array.Copy(line, indexBeginMessage, message, 0, line.Length - indexBeginMessage);
log = new Log(dateTime, runtime, message);
return true;
}
}
}
}
return false;
}
