/// <summary>
/// Write the data to the log entity.
/// </summary>
/// <param name="priority">The current log priority.</param>
/// <param name="data">The data to write.</param>
private void Write(short priority, byte[] data)
{
try
{
// Try and get the file.
Stream stream = null;
bool ret = _syslogFiles.TryGetValue(priority, out stream);
if (ret)
{
// Write the data.
stream.Write(data, 0, data.Length);
}
else
{
// File can not be found.
throw new Exception();
}
}
catch
{
try
{
// Attempt to erite to the internal error log.
short prioritySystem = SyslogUtility.GetPriority(5, 2);
// Try and get the file.
Stream fileSystem = null;
bool retSystem = _syslogFiles.TryGetValue(prioritySystem, out fileSystem);
if (retSystem)
{
// Write to this log.
DateTime timeSystem = DateTime.Now;
byte[] buffer = Encoding.Default.GetBytes(
timeSystem.ToShortDateString() + " " + timeSystem.ToShortTimeString() + " " +
Environment.MachineName + " " + "Could not open priority log file : " + priority.ToString() + "\r\n");
// Write the data to the file.
fileSystem.Write(buffer, 0, buffer.Length);
}
}
catch { }
}
}
/// <summary>
/// Write the data to the log entity.
/// </summary>
/// <param name="facility">The syslog facility.</param>
/// <param name="severity">The syslog severity.</param>
/// <param name="data">The data to write.</param>
private void WriteLog(short facility, short severity, byte[] data)
{
// Make sure data exists.
if (data != null && data.Length > 0)
{
// Only allow one thread at a time
// to write data to a log file.
lock (_writeLogLock)
{
// Get the current priority.
short priority = SyslogUtility.GetPriority(facility, severity);
// Determine if the priority file should be archived.
ArchiveFile(priority);
// Write the data.
Write(priority, data);
}
}
}
/// <summary>
/// Archive the priority file.
/// </summary>
/// <param name="priority">The current log priority.</param>
private void ArchiveFile(short priority)
{
try
{
// Try and get the file.
Stream stream = null;
bool ret = _syslogFiles.TryGetValue(priority, out stream);
if (ret)
{
// Get the file name.
string directory = _systemLogPath.Path.TrimEnd(new char[] { '\\' });
string file = directory + "\\" + priority.ToString() + ".log";
// If the maximum file size has been reached.
FileInfo fileInfo = new FileInfo(file);
if (fileInfo.Length >= _systemLogPath.MaximumFileSize)
{
// Archive the file.
try
{
// Release the file.
stream.Close();
stream.Dispose();
}
catch { }
try
{
// Get the archive file.
DateTime dateTimeArchive = DateTime.Now;
string directoryArchive = _systemLogPath.ArchivePath.TrimEnd(new char[] { '\\' }) + "\\" +
dateTimeArchive.Year.ToString() + "\\" +
dateTimeArchive.Month.ToString() + "\\" +
dateTimeArchive.Day.ToString();
// Get the file archive.
string fileArchive = directoryArchive + "\\" + priority.ToString() + "_" +
dateTimeArchive.Hour.ToString() + "-" +
dateTimeArchive.Minute.ToString() + "-" +
dateTimeArchive.Second.ToString() + ".log";
// If directory does not exists.
if (!Directory.Exists(directoryArchive))
{
// Create the directory.
Directory.CreateDirectory(directoryArchive);
}
// Move the file.
File.Move(file, fileArchive);
}
catch { }
try
{
// Create a new priority log file.
// Add the file to the files list.
_syslogFiles.TryUpdate(priority, new FileStream(file, FileMode.Append, FileAccess.Write), stream);
}
catch { }
}
}
else
{
// File can not be found.
throw new Exception();
}
}
catch
{
try
{
// Attempt to erite to the internal error log.
short prioritySystem = SyslogUtility.GetPriority(5, 2);
// Try and get the file.
Stream fileSystem = null;
bool retSystem = _syslogFiles.TryGetValue(prioritySystem, out fileSystem);
if (retSystem)
{
// Write to this log.
DateTime timeSystem = DateTime.Now;
byte[] buffer = Encoding.Default.GetBytes(
timeSystem.ToShortDateString() + " " + timeSystem.ToShortTimeString() + " " +
Environment.MachineName + " " + "Could not open priority log file : " + priority.ToString() + "\r\n");
// Write the data to the file.
fileSystem.Write(buffer, 0, buffer.Length);
}
}
catch { }
}
}