private void ScanReader(EDJournalReader nfi, List <JournalEntry> entries)
{
int netlogpos = 0;
try
{
if (nfi.TravelLogUnit.id == 0)
{
nfi.TravelLogUnit.type = 3;
nfi.TravelLogUnit.Add();
}
netlogpos = nfi.TravelLogUnit.Size;
List <JournalReaderEntry> ents = nfi.ReadJournalLog().ToList();
if (ents.Count > 0)
{
using (SQLiteConnectionUser cn = new SQLiteConnectionUser(utc: true))
{
using (DbTransaction txn = cn.BeginTransaction())
{
ents = ents.Where(jre => JournalEntry.FindEntry(jre.JournalEntry, jre.Json).Count == 0).ToList();
foreach (JournalReaderEntry jre in ents)
{
entries.Add(jre.JournalEntry);
jre.JournalEntry.Add(jre.Json, cn, txn);
ticksNoActivity = 0;
}
nfi.TravelLogUnit.Update(cn);
txn.Commit();
}
}
}
}
catch
{
// Revert and re-read the failed entries
if (nfi != null && nfi.TravelLogUnit != null)
{
nfi.TravelLogUnit.Size = netlogpos;
}
throw;
}
}
public List <JournalEntry> ScanForNewEntries()
{
var entries = new List <JournalEntry>();
int netlogpos = 0;
EDJournalReader nfi = null;
try
{
string filename = null;
if (m_netLogFileQueue.TryDequeue(out filename)) // if a new one queued, we swap to using it
{
nfi = OpenFileReader(new FileInfo(filename));
lastnfi = nfi;
System.Diagnostics.Trace.WriteLine(string.Format("Change in file, scan {0}", lastnfi.FileName));
}
else if (ticksNoActivity >= 30 && (lastnfi == null || (!File.Exists(lastnfi.FileName) || lastnfi.filePos >= new FileInfo(lastnfi.FileName).Length)))
{
if (lastnfi == null)
{
Trace.Write($"No last file - scanning for journals");
}
else if (!File.Exists(lastnfi.FileName))
{
Trace.WriteLine($"File {lastnfi.FileName} not found - scanning for journals");
}
else
{
Trace.WriteLine($"No activity on {lastnfi.FileName} for 60 seconds ({lastnfi.filePos} >= {new FileInfo(lastnfi.FileName).Length} - scanning for new journals");
}
HashSet <string> tlunames = new HashSet <string>(TravelLogUnit.GetAllNames());
string[] filenames = Directory.EnumerateFiles(m_watcherfolder, "Journal.*.log", SearchOption.AllDirectories)
.Select(s => new { name = Path.GetFileName(s), fullname = s })
.Where(s => !tlunames.Contains(s.name))
.OrderBy(s => s.name)
.Select(s => s.fullname)
.ToArray();
ticksNoActivity = 0;
foreach (var name in filenames)
{
nfi = OpenFileReader(new FileInfo(name));
lastnfi = nfi;
break;
}
}
else
{
nfi = lastnfi;
}
ticksNoActivity++;
if (nfi != null)
{
if (nfi.TravelLogUnit.id == 0)
{
nfi.TravelLogUnit.type = 3;
nfi.TravelLogUnit.Add();
}
netlogpos = nfi.TravelLogUnit.Size;
List <JournalEntry> ents = nfi.ReadJournalLog().ToList();
if (ents.Count > 0)
{
using (SQLiteConnectionUser cn = new SQLiteConnectionUser(utc: true))
{
using (DbTransaction txn = cn.BeginTransaction())
{
ents = ents.Where(je => JournalEntry.FindEntry(je).Count == 0).ToList();
foreach (JournalEntry je in ents)
{
entries.Add(je);
je.Add(cn, txn);
ticksNoActivity = 0;
}
nfi.TravelLogUnit.Update(cn);
txn.Commit();
}
}
}
}
return(entries);
}
catch (Exception ex)
{
// Revert and re-read the failed entries
if (nfi != null && nfi.TravelLogUnit != null)
{
nfi.TravelLogUnit.Size = netlogpos;
}
System.Diagnostics.Trace.WriteLine("Net tick exception : " + ex.Message);
System.Diagnostics.Trace.WriteLine(ex.StackTrace);
throw;
}
}
