/// <summary>
/// Performs the regular backup
/// </summary>
public void PerformBackup(dynamic backupOptions = null)
{
if (DateTime.Now.Subtract(_LastBackupCheck).TotalMinutes > 30)
{
_LastBackupCheck = DateTime.Now;
}
else
{
// No Need to do the backup now
return;
}
#if DEBUG
Debugger.Break();
#endif
Action cleanUp = null;
var compression = 1;
var mode = "hourly";
var databaseFile = this.DatabaseFileName;
string backupPath = Path.Combine(this.DatabaseDirectory, "Backups");
if (backupOptions != null)
{
if (backupOptions.compression != null)
{
compression = (int)backupOptions.compression;
}
if (backupOptions.uncpath != null)
{
var existed = DriveInfo.GetDrives().ToDictionary(d => d.Name);
var chosen = '\0';
for (char i = 'A'; i < 'Z'; i++)
{
if (existed.ContainsKey(i + @":\") == false)
{
chosen = i;
break;
}
}
if (chosen != '\0')
{
string command = string.Empty;
if (backupOptions.username != null && backupOptions.password != null)
{
command = string.Format("use {0}: {1} /u:{2} {3}",
chosen,
backupOptions.uncpath,
backupOptions.username,
backupOptions.password);
}
else
{
command = string.Format("use {0}: {1}",
chosen,
backupOptions.uncpath);
}
var process = Process.Start("net.exe", command);
process.WaitForExit();
if (process.ExitCode == 0)
{
cleanUp = () =>
{
string cmd = string.Format("use {0}: /delete",
chosen);
var p2 = Process.Start("net.exe", cmd);
p2.WaitForExit();
};
backupPath = chosen + ":\\";
}
}
}
if (backupOptions.sitename != null)
{
backupPath = Path.Combine(backupPath, (string)backupOptions.sitename);
}
}
try
{
if (mode == "hourly")
{
backupPath = Path.Combine(backupPath, "DatabaseBackup-Hourly");
Directory.CreateDirectory(backupPath);
// create hourly backup
var backupFile = Path.Combine(backupPath, string.Format("hourlybackup-{0:HH}.sqlite.bz2", DateTime.Now));
if (File.Exists(backupFile) == false)
{
NancyBlackDatabase.BZip(databaseFile, backupFile);
}
else
{
// check modified date
if (File.GetLastWriteTime(backupFile).Date < DateTime.Now.Date)
{
// it was the yesterday's file, replace it
NancyBlackDatabase.BZip(databaseFile, backupFile);
}
}
}
if (mode == "daily")
{
backupPath = Path.Combine(backupPath, "DatabaseBackup-Hourly");
Directory.CreateDirectory(backupPath);
var dailybackupFile = Path.Combine(backupPath, string.Format("dailybackup-{0:dd-MM-yyyy}.sqlite.bz2", DateTime.Now));
if (File.Exists(dailybackupFile) == false)
{
NancyBlackDatabase.BZip(databaseFile, dailybackupFile, 9); // max compression for daily backup
}
var backupFiles = Directory.GetFiles(backupPath, "dailybackup-*.sqlite.bz2");
var now = DateTime.Now;
var maxDay = 30;
if (backupOptions.dailyretention != null)
{
maxDay = (int)backupOptions.dailyretention;
}
foreach (var file in backupFiles)
{
if (now.Subtract(File.GetCreationTime(file)).TotalDays > maxDay)
{
try
{
File.Delete(file); // delete backup older than 30 days
}
catch (Exception)
{
}
}
}
}
}
catch (Exception)
{
// retry backup again
_LastBackupCheck = DateTime.MinValue;
}
finally
{
if (cleanUp != null)
{
cleanUp();
}
}
}
/// <summary>
/// Performs the regular backup
/// </summary>
public void PerformBackup()
{
if (DateTime.Now.Subtract(_LastBackupCheck).TotalMinutes > 30)
{
_LastBackupCheck = DateTime.Now;
}
else
{
// No Need to do the backup now
return;
}
#if !DEBUG
try
{
var path = this.DatabaseDirectory;
var fileName = this.DatabaseFileName;
var backupPath = Path.Combine(path, "Backups");
Directory.CreateDirectory(path);
Directory.CreateDirectory(backupPath);
// create hourly backup
var backupFile = Path.Combine(backupPath, string.Format("hourlybackup-{0:HH}.sqlite.bz2", DateTime.Now));
if (File.Exists(backupFile) == false)
{
NancyBlackDatabase.BZip(fileName, backupFile);
}
else
{
// check modified date
if (File.GetLastWriteTime(backupFile).Date < DateTime.Now.Date)
{
// it was the yesterday's file, replace it
NancyBlackDatabase.BZip(fileName, backupFile);
}
}
// create daily backup
var dailybackupFile = Path.Combine(backupPath, string.Format("dailybackup-{0:dd-MM-yyyy}.sqlite.bz2", DateTime.Now));
if (File.Exists(dailybackupFile) == false)
{
NancyBlackDatabase.BZip(fileName, dailybackupFile, 9); // max compression for daily backup
}
var backupFiles = Directory.GetFiles(backupPath, "dailybackup-*.sqlite.bz2");
var now = DateTime.Now;
foreach (var file in backupFiles)
{
if (now.Subtract(File.GetCreationTime(file)).TotalDays > 30)
{
try
{
File.Delete(file); // delete backup older than 30 days
}
catch (Exception)
{
}
}
}
}
catch (Exception)
{
// retry backup again
_LastBackupCheck = DateTime.MinValue;
}
#endif
}