public static List<Record> GetRecordsFromSession(Session session, TimePeriod period, bool filterRecords = true)
{
var res = new List<Record>();
using (var mutex = Utils.TryLockFile(session.FileName))
using (var stream = new FileStream(session.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
var encoding = DetectEncoding(stream);
if (filterRecords)
{
while (true)
{
var startPos = stream.Position;
var line = ReadLine(stream, encoding);
if (line == null)
break;
var record = ParseLine(line);
if (!IsServiceMessage(record.Name))
{
stream.Position = startPos;
break;
}
record.SessionId = session.Id;
res.Add(record);
}
SkipOutdatedRecords(stream, encoding, period.StartTime);
}
using (var reader = new StreamReader(stream, encoding, true))
{
while (true)
{
var line = reader.ReadLine();
if (line == null)
break;
var record = ParseLine(line);
if (filterRecords && record.Time > period.EndTime)
break;
if (filterRecords && record.Time < period.StartTime)
continue;
record.SessionId = session.Id;
res.Add(record);
}
}
}
return res;
}
private static string ConvertData(string recordsResponse, Session session)
{
var buf = new StringBuilder();
var lines = recordsResponse.Split(new[] {'\r', '\n'}, StringSplitOptions.RemoveEmptyEntries);
foreach (var line in lines)
{
if (!line.StartsWith(session.Id))
throw new ApplicationException();
var tmp = line.Substring(session.Id.Length + 1);
buf.AppendLine(tmp);
}
var res = buf.ToString();
return res;
}
public static List<Session> Parse(string text)
{
var res = new List<Session>();
var lines = text.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var line in lines)
{
var columns = line.Split('\t');
var cur = new Session
{
Id = columns[0],
CreationTime = Util.ParseDateTime(columns[1]),
LastUpdateTime = Util.ParseDateTime(columns[2]),
};
res.Add(cur);
}
return res;
}
