private static void RunBufferedReaderTest(string[] args)
{
using (var fs = new FileStream(@"o:\tmp\test.log", FileMode.Open, FileAccess.Read))
{
using (var of = new StreamWriter(@"o:\tmp\tmp.txt", false, Encoding.GetEncoding(1254)))
{
var lr = new BufferedLineReader(fs);
var line = string.Empty;
int nl = 0;
int cnt = 0;
while ((line = lr.ReadLine(Encoding.GetEncoding(1254), ref nl)) != null)
{
Console.Write("\b\b\b\b\b\b\b\b\b\b{0:D10}", ++cnt);
of.WriteLine(line);
of.Flush();
}
}
}
}
private void timer1_Tick(object sender, System.Timers.ElapsedEventArgs e)
{
try
{
L.Log(LogType.FILE, LogLevel.INFORM, "Begin Processing LastFile(" + lastFile + ") LastRecord(" + lastPosition + ")");
if (!InitializeInstance())
return;
if (!GetLastFile(false))
return;
PrepareEncoding(ref encoding);
var recordSent = 0;
Dictionary<string, int> header = null;
var svc = GetInstanceService(usingRegistry ? "Security Manager Sender" : "Security Manager Remote Recorder");
while (recordSent < max_record_send)
{
var fInfo = new FileInfo(Path.Combine(Location, lastFile));
if (fInfo.Exists)
{
using (
var inp = new FileStream(fInfo.FullName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)
)
{
long position = 0;
var headerInfo = GetHeaderInfo(inp, ref header, ref position);
if (headerInfo == null)
{
L.Log(LogType.FILE, LogLevel.WARN, fInfo.FullName + " has no header");
}
else
{
WarnForMissingHeaders(fInfo, headerInfo, header);
if (position > lastPosition)
{
SetReg(Id, position.ToString(CultureInfo.InvariantCulture), string.Empty, fInfo.Name,
string.Empty);
lastPosition = position;
}
inp.Seek(lastPosition, SeekOrigin.Begin);
var line = string.Empty;
var reader = new BufferedLineReader(inp);
var nl = 0;
var rec = new RecWrapper();
while (recordSent < max_record_send &&
(line = reader.ReadLine(encoding, ref nl)) != null)
{
if (ProcessLine(headerInfo, line, rec))
{
rec.LogName = "DHCPRecorder";
rec.CustomStr9 = headerInfo.Name;
svc.SetData(_dal, _virtualHost, rec.rec);
recordSent++;
}
svc.SetReg(Id, reader.Position.ToString(CultureInfo.InvariantCulture), string.Empty,
fInfo.Name, string.Empty, rec.Datetime);
lastPosition = reader.Position;
}
if (recordSent == max_record_send)
return;
}
}
}
if (isLastFileInLocation)
return;
if (!GetLastFile(true))
return;
}
}
catch (Exception ex)
{
L.Log(LogType.FILE, LogLevel.ERROR, "Error in timer handler:" + ex);
}
finally
{
timer1.Enabled = true;
}
}
private DataMappingInfo GetHeaderInfo(FileStream inp, ref Dictionary<string, int> header, ref long endOfHeader)
{
var offset = -1L;
try
{
offset = inp.Position;
var reader = new BufferedLineReader(inp);
var line = string.Empty;
var lineParts = new string[2][];
var headerPos = new long[] { 0, 0 };
var curr = 0;
var cnt = 0;
var nl = 0;
while ((line = reader.ReadLine(encoding, ref nl)) != null)
{
lineParts[curr] = line.Split(',');
if (lineParts[curr].Length > 2) //Line must have at least 2 commas
{
headerPos[curr] = reader.Position;
curr ^= 1;
if (++cnt == 2)
{
if (lineParts[curr].Length <= lineParts[curr ^ 1].Length)
{
cnt = 0;
if (header == null)
header = new Dictionary<string, int>();
else
header.Clear();
while (cnt < lineParts[curr].Length)
{
header[lineParts[curr][cnt].Trim()] = cnt;
cnt++;
}
endOfHeader = headerPos[curr];
return RecordFields2Info(header);
}
cnt = 1;
}
}
else
cnt = 0;
}
return null;
}
finally
{
if (offset >= 0)
inp.Seek(offset, SeekOrigin.Begin);
}
}
private DataMappingInfo GetHeaderInfo(FileStream inp, ref Dictionary<string, int> header, ref long endOfHeader)
{
var offset = -1L;
try
{
offset = inp.Position;
var reader = new BufferedLineReader(inp);
string line;
var nl = 0;
while ((line = reader.ReadLine(Encoding, ref nl)) != null)
{
if (line.StartsWith("#Fields: "))
{
if (header == null)
header = new Dictionary<string, int>();
else
header.Clear();
var lineParts = line.Substring(8).Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var cnt = 0;
while (cnt < lineParts.Length)
{
header[lineParts[cnt]] = cnt;
cnt++;
}
endOfHeader = reader.Position;
return RecordFields2Info(header);
}
}
return null;
}
finally
{
if (offset >= 0)
inp.Seek(offset, SeekOrigin.Begin);
}
}
