/// <summary>
/// Performs actual backup.
/// </summary>
public override void DoWork()
{
string backupFileName;
int storePackageId;
string storePackageFolder;
string storeServerFolder;
bool deleteTempBackup;
try
{
backupFileName = (string)TaskManager.TaskParameters["BACKUP_FILE_NAME"];
storePackageId = Convert.ToInt32(TaskManager.TaskParameters["STORE_PACKAGE_ID"]);
storePackageFolder = (string)TaskManager.TaskParameters["STORE_PACKAGE_FOLDER"];
storeServerFolder = (string)TaskManager.TaskParameters["STORE_SERVER_FOLDER"];
deleteTempBackup = Convert.ToBoolean(TaskManager.TaskParameters["DELETE_TEMP_BACKUP"]);
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Some parameters are absent or have incorrect value.");
return;
}
try
{
PackageInfo package = PackageController.GetPackage(TaskManager.PackageId);
// We do not take into account service id as long as scheduled tasks run against packages.
BackupController.Backup(false, "BackupTask", package.UserId, package.PackageId, 0, 0,
backupFileName, storePackageId, storePackageFolder, storeServerFolder, deleteTempBackup);
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Failed to do backup.");
}
}
public int Backup(bool async, string taskId, int userId, int packageId, int serviceId, int serverId,
string backupFileName, int storePackageId, string storePackageFolder, string storeServerFolder,
bool deleteTempBackup)
{
return(BackupController.Backup(async, taskId, userId, packageId, serviceId, serverId,
backupFileName, storePackageId, storePackageFolder, storeServerFolder, deleteTempBackup));
}
public int BackupItem(string tempFolder, XmlWriter writer, ServiceProviderItem item, ResourceGroupInfo group)
{
if (item is SqlDatabase)
{
// backup database
DatabaseServer sql = GetDatabaseServer(item.ServiceId);
string backupName = String.Format("DatabaseBackup_{0}.zip", item.Id);
string remoteBackupFile = sql.BackupDatabase(item.Name, backupName, true);
// download remote backup
string localBackupPath = Path.Combine(tempFolder, backupName);
byte[] buffer = null;
FileStream stream = new FileStream(localBackupPath, FileMode.Create, FileAccess.Write);
int offset = 0;
long length = 0;
do
{
// read remote content
buffer = sql.GetTempFileBinaryChunk(remoteBackupFile, offset, FILE_BUFFER_LENGTH);
// write remote content
stream.Write(buffer, 0, buffer.Length);
length += buffer.Length;
offset += FILE_BUFFER_LENGTH;
}while (buffer.Length == FILE_BUFFER_LENGTH);
stream.Close();
// add file pointer
BackupController.WriteFileElement(writer, "DatabaseBackup", backupName, length);
// store meta item
SqlDatabase database = sql.GetDatabase(item.Name);
XmlSerializer serializer = new XmlSerializer(typeof(SqlDatabase));
serializer.Serialize(writer, database);
}
else if (item is SqlUser)
{
// backup user
DatabaseServer sql = GetDatabaseServer(item.ServiceId);
SqlUser userItem = item as SqlUser;
// store user info
SqlUser user = sql.GetUser(item.Name, GetSqlDatabasesArray(item.PackageId, item.GroupName));
user.Password = userItem.Password;
XmlSerializer serializer = new XmlSerializer(typeof(SqlUser));
serializer.Serialize(writer, user);
}
return(0);
}
public void Restore()
{
// impersonate thread
if (threadUserId != -1)
{
SecurityContext.SetThreadPrincipal(threadUserId);
}
// perform restore
BackupController.RestoreInternal(taskId, userId, packageId, serviceId, serverId,
storePackageId, storePackageBackupPath, storeServerBackupPath);
}
public void Backup()
{
// impersonate thread
if (threadUserId != -1)
{
SecurityContext.SetThreadPrincipal(threadUserId);
}
// perform backup
BackupController.BackupInternal(taskId, userId, packageId, serviceId, serverId, backupFileName, storePackageId,
storePackageFolder, storeServerFolder, deleteTempBackup);
}
public int BackupItem(string tempFolder, System.Xml.XmlWriter writer, ServiceProviderItem item, ResourceGroupInfo group)
{
if (item is HomeFolder)
{
// backup home folder files
string backupName = String.Format("SpaceFiles_{0}_{1}.zip",
item.Id, DateTime.Now.Ticks);
// get the list of remote files
List <SystemFile> files = FilesController.GetFiles(item.PackageId, "\\", true);
string[] zipFiles = new string[files.Count];
for (int i = 0; i < zipFiles.Length; i++)
{
zipFiles[i] = files[i].Name;
}
// zip remote files
FilesController.ZipFiles(item.PackageId, zipFiles, backupName);
// download zipped file
string localBackupPath = Path.Combine(tempFolder, backupName);
byte[] buffer = null;
FileStream stream = new FileStream(localBackupPath, FileMode.Create, FileAccess.Write);
int offset = 0;
long length = 0;
do
{
// read remote content
buffer = FilesController.GetFileBinaryChunk(item.PackageId, backupName, offset, FILE_BUFFER_LENGTH);
// write remote content
stream.Write(buffer, 0, buffer.Length);
length += buffer.Length;
offset += FILE_BUFFER_LENGTH;
}while (buffer.Length == FILE_BUFFER_LENGTH);
stream.Close();
// delete zipped file
if (FilesController.FileExists(item.PackageId, backupName))
{
FilesController.DeleteFiles(item.PackageId, new string[] { backupName });
}
// add file pointer
BackupController.WriteFileElement(writer, "SpaceFiles", backupName, length);
// store meta item
XmlSerializer serializer = new XmlSerializer(typeof(HomeFolder));
serializer.Serialize(writer, item);
}
else if (item is SystemDSN)
{
// backup ODBC DSN
OS.OperatingSystem os = GetOS(item.ServiceId);
// read DSN info
SystemDSN itemDsn = item as SystemDSN;
SystemDSN dsn = os.GetDSN(item.Name);
dsn.DatabasePassword = itemDsn.DatabasePassword;
XmlSerializer serializer = new XmlSerializer(typeof(SystemDSN));
serializer.Serialize(writer, dsn);
}
return(0);
}
public int Restore(bool async, string taskId, int userId, int packageId, int serviceId, int serverId,
int storePackageId, string storePackageBackupPath, string storeServerBackupPath)
{
return(BackupController.Restore(async, taskId, userId, packageId, serviceId, serverId,
storePackageId, storePackageBackupPath, storeServerBackupPath));
}
public KeyValueBunch GetBackupContentSummary(int userId, int packageId,
int serviceId, int serverId)
{
return(BackupController.GetBackupContentSummary(userId, packageId, serviceId, serverId));
}