/// <summary>
/// Works like the CopyStream method but does a log rotation based on time.
/// </summary>
private void CopyStreamWithDateRotation(Stream data, string ext)
{
PeriodicRollingCalendar periodicRollingCalendar = new PeriodicRollingCalendar(Pattern, Period);
periodicRollingCalendar.init();
byte[] buf = new byte[1024];
FileStream w = new FileStream(BaseLogFileName + "_" + periodicRollingCalendar.format + ext, FileMode.Append);
while (true)
{
int len = data.Read(buf, 0, buf.Length);
if (len == 0)
{
break; // EOF
}
if (periodicRollingCalendar.shouldRoll)
{// rotate at the line boundary
int offset = 0;
bool rolled = false;
for (int i = 0; i < len; i++)
{
if (buf[i] == 0x0A)
{// at the line boundary.
// time to rotate.
w.Write(buf, offset, i + 1);
w.Close();
offset = i + 1;
// create a new file and write everything to the new file.
w = new FileStream(BaseLogFileName + "_" + periodicRollingCalendar.format + ext, FileMode.Create);
rolled = true;
if (offset < len)
{
w.Write(buf, offset, len - offset);
break;
}
}
}
if (!rolled)
{// we didn't roll - most likely as we didnt find a line boundary, so we should log what we read and roll anyway.
w.Write(buf, 0, len);
w.Close();
w = new FileStream(BaseLogFileName + "_" + periodicRollingCalendar.format + ext, FileMode.Create);
}
}
else
{// typical case. write the whole thing into the current file
w.Write(buf, 0, len);
}
w.Flush();
}
data.Close();
w.Close();
}
private PeriodicityType determinePeriodicityType()
{
PeriodicRollingCalendar periodicRollingCalendar = new PeriodicRollingCalendar(_format, _period);
DateTime epoch = new DateTime(1970, 1, 1);
foreach (PeriodicityType i in VALID_ORDERED_LIST)
{
string r0 = epoch.ToString(_format);
periodicRollingCalendar.periodicityType = i;
DateTime next = periodicRollingCalendar.nextTriggeringTime(epoch, 1);
string r1 = next.ToString(_format);
if (r0 != null && r1 != null && !r0.Equals(r1))
{
return(i);
}
}
return(PeriodicityType.ERRONEOUS);
}
private PeriodicityType determinePeriodicityType()
{
PeriodicRollingCalendar periodicRollingCalendar = new PeriodicRollingCalendar(_format, _period);
DateTime epoch = new DateTime(1970, 1, 1);
foreach (PeriodicityType i in VALID_ORDERED_LIST)
{
string r0 = epoch.ToString(_format);
periodicRollingCalendar.periodicityType = i;
DateTime next = periodicRollingCalendar.nextTriggeringTime(epoch, 1);
string r1 = next.ToString(_format);
if (r0 != null && r1 != null && !r0.Equals(r1))
{
return i;
}
}
return PeriodicityType.ERRONEOUS;
}
/// <summary>
/// Works like the CopyStream method but does a log rotation based on time.
/// </summary>
private void CopyStreamWithDateRotation(StreamReader reader, string ext)
{
PeriodicRollingCalendar periodicRollingCalendar = new PeriodicRollingCalendar(Pattern, Period);
periodicRollingCalendar.init();
StreamWriter writer = CreateWriter(new FileStream(BaseLogFileName + "_" + periodicRollingCalendar.format + ext, FileMode.Append));
string? line;
while ((line = reader.ReadLine()) != null)
{
if (periodicRollingCalendar.shouldRoll)
{
writer.Dispose();
writer = CreateWriter(new FileStream(BaseLogFileName + "_" + periodicRollingCalendar.format + ext, FileMode.Create));
}
writer.WriteLine(line);
}
reader.Dispose();
writer.Dispose();
}
/// <summary>
/// Works like the CopyStream method but does a log rotation based on time.
/// </summary>
private void CopyStreamWithDateRotation(Stream data, string ext)
{
PeriodicRollingCalendar periodicRollingCalendar = new PeriodicRollingCalendar(pattern, period);
periodicRollingCalendar.init();
byte[] buf = new byte[1024];
FileStream w = new FileStream(BaseLogFileName + "_" + periodicRollingCalendar.format + ext, FileMode.Create);
while (true)
{
int len = data.Read(buf, 0, buf.Length);
if (len == 0) break; // EOF
if (periodicRollingCalendar.shouldRoll)
{// rotate at the line boundary
int offset = 0;
bool rolled = false;
for (int i = 0; i < len; i++)
{
if (buf[i] == 0x0A)
{// at the line boundary.
// time to rotate.
w.Write(buf, offset, i + 1);
w.Close();
offset = i + 1;
// create a new file.
w = new FileStream(BaseLogFileName + "_" + periodicRollingCalendar.format + ext, FileMode.Create);
rolled = true;
}
}
if (!rolled)
{// we didn't roll - most likely as we didnt find a line boundary, so we should log what we read and roll anyway.
w.Write(buf, 0, len);
w.Close();
w = new FileStream(BaseLogFileName + "_" + periodicRollingCalendar.format + ext, FileMode.Create);
}
}
else
{// typical case. write the whole thing into the current file
w.Write(buf, 0, len);
}
w.Flush();
}
data.Close();
w.Close();
}