public static int BackupItem(string tempFolder, XmlWriter writer, ServiceProviderItem item)
{
// load item type
ServiceProviderItemType itemType = PackageController.GetServiceItemType(item.TypeId);
if (!itemType.Backupable)
{
return(-1);
}
// load group
ResourceGroupInfo group = ServerController.GetResourceGroup(itemType.GroupId);
// create controller
IBackupController controller = null;
try
{
controller = Activator.CreateInstance(Type.GetType(group.GroupController)) as IBackupController;
if (controller != null)
{
return(BackupItem(tempFolder, writer, item, group, controller));
}
}
catch (Exception ex)
{
TaskManager.WriteError(ex);
}
return(-2);
}
private static int BackupItem(string tempFolder, XmlWriter writer,
ServiceProviderItem item, ResourceGroupInfo group, IBackupController controller)
{
writer.WriteStartElement("Item");
writer.WriteAttributeString("itemId", item.Id.ToString());
writer.WriteAttributeString("itemTypeId", item.TypeId.ToString());
writer.WriteAttributeString("itemName", item.Name);
writer.WriteAttributeString("packageId", item.PackageId.ToString());
writer.WriteAttributeString("serviceId", item.ServiceId.ToString());
try
{
return(controller.BackupItem(tempFolder, writer, item, group));
}
catch (Exception ex)
{
TaskManager.WriteError(ex);
}
finally
{
writer.WriteEndElement(); // Item
}
return(0);
}
public static int BackupInternal(string taskId, int userId, int packageId, int serviceId, int serverId,
string backupFileName, int storePackageId, string storePackageFolder, string storeServerFolder,
bool deleteTempBackup)
{
try
{
TaskManager.StartTask(taskId, "BACKUP", "BACKUP", backupFileName, SecurityContext.User.UserId);
// get the list of items to backup
TaskManager.Write("Calculate items to backup");
List <ServiceProviderItem> items = GetBackupItems(userId, packageId, serviceId, serverId);
if (items.Count == 0)
{
return(0);
}
// group items by item types
Dictionary <int, List <ServiceProviderItem> > groupedItems = new Dictionary <int, List <ServiceProviderItem> >();
// sort by groups
foreach (ServiceProviderItem item in items)
{
// add to group
if (!groupedItems.ContainsKey(item.TypeId))
{
groupedItems[item.TypeId] = new List <ServiceProviderItem>();
}
groupedItems[item.TypeId].Add(item);
}
// temp backup folder
string tempFolder = GetTempBackupFolder();
// create backup catalog file
StringWriter sw = new StringWriter();
XmlTextWriter writer = new XmlTextWriter(sw);
// write backup file header
writer.WriteProcessingInstruction("xml", "version=\"1.0\" encoding=\"utf-8\"");
writer.WriteStartElement("Backup");
writer.WriteStartElement("Info");
writer.WriteElementString("Name", backupFileName);
writer.WriteElementString("Created", DateTime.Now.ToString("r"));
writer.WriteElementString("User", GetLoggedUsername());
writer.WriteEndElement(); // Info
// determine the number of items to backup
int totalItems = 0;
foreach (int itemTypeId in groupedItems.Keys)
{
// load item type
ServiceProviderItemType itemType = PackageController.GetServiceItemType(itemTypeId);
if (!itemType.Backupable)
{
continue;
}
totalItems += groupedItems[itemTypeId].Count;
}
TaskManager.IndicatorMaximum = totalItems + 2;
TaskManager.IndicatorCurrent = 0;
// backup grouped items
writer.WriteStartElement("Items");
foreach (int itemTypeId in groupedItems.Keys)
{
// load item type
ServiceProviderItemType itemType = PackageController.GetServiceItemType(itemTypeId);
if (!itemType.Backupable)
{
continue;
}
// load group
ResourceGroupInfo group = ServerController.GetResourceGroup(itemType.GroupId);
// instantiate controller
IBackupController controller = null;
try
{
if (group.GroupController != null)
{
controller = Activator.CreateInstance(Type.GetType(group.GroupController)) as IBackupController;
}
if (controller != null)
{
// backup items
foreach (ServiceProviderItem item in groupedItems[itemTypeId])
{
TaskManager.Write(String.Format("Backup {0} of {1} - {2} '{3}'",
TaskManager.IndicatorCurrent + 1,
totalItems,
itemType.DisplayName,
item.Name));
try
{
int backupResult = BackupItem(tempFolder, writer, item, group, controller);
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't backup item");
}
// increment progress
TaskManager.IndicatorCurrent += 1;
}
}
}
catch (Exception ex)
{
TaskManager.WriteError(ex);
}
}
writer.WriteEndElement(); // Items
// close catalog writer
writer.WriteEndElement(); // Backup
writer.Close();
// convert to Xml document
XmlDocument doc = new XmlDocument();
doc.LoadXml(sw.ToString());
// sign XML document
//SignXmlDocument(doc);
// save signed doc to file
try
{
doc.Save(Path.Combine(tempFolder, BACKUP_CATALOG_FILE_NAME));
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't save backup catalog file: "
+ Path.Combine(tempFolder, BACKUP_CATALOG_FILE_NAME));
return(0);
}
TaskManager.Write("Packaging backup...");
// compress backup files
string[] zipFiles = Directory.GetFiles(tempFolder);
string[] zipFileNames = new string[zipFiles.Length];
for (int i = 0; i < zipFiles.Length; i++)
{
zipFileNames[i] = Path.GetFileName(zipFiles[i]);
}
string backupFileNamePath = Path.Combine(tempFolder, backupFileName);
try
{
FileUtils.ZipFiles(backupFileNamePath, tempFolder, zipFileNames);
// delete packed files
foreach (string zipFile in zipFiles)
{
File.Delete(zipFile);
}
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't zip backed up files");
return(0);
}
TaskManager.IndicatorCurrent += 1;
TaskManager.Write("Copying backup...");
// move/copy backup file
if (!String.IsNullOrEmpty(storeServerFolder))
{
// copy to local folder or UNC
try
{
string destFile = Path.Combine(storeServerFolder, backupFileName);
File.Copy(backupFileNamePath, destFile, true);
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't copy backup to destination location");
return(0);
}
}
else if (storePackageId > 0)
{
try
{
// copy to space folder
int osServiceId = PackageController.GetPackageServiceId(storePackageId, ResourceGroups.Os);
if (osServiceId > 0)
{
OS.OperatingSystem os = new OS.OperatingSystem();
ServiceProviderProxy.Init(os, osServiceId);
string remoteBackupPath = FilesController.GetFullPackagePath(storePackageId,
Path.Combine(storePackageFolder, backupFileName));
FileStream stream = new FileStream(backupFileNamePath, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[FILE_BUFFER_LENGTH];
int readBytes = 0;
do
{
// read package file
readBytes = stream.Read(buffer, 0, FILE_BUFFER_LENGTH);
if (readBytes < FILE_BUFFER_LENGTH)
{
// resize buffer
Array.Resize <byte>(ref buffer, readBytes);
}
// write remote backup file
os.AppendFileBinaryContent(remoteBackupPath, buffer);
}while (readBytes == FILE_BUFFER_LENGTH);
stream.Close();
}
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't copy backup to destination hosting space");
return(0);
}
}
TaskManager.IndicatorCurrent += 1;
// delete backup file if required
if (deleteTempBackup)
{
try
{
// delete backup folder and all its contents
Directory.Delete(tempFolder, true);
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't delete temporary backup folder");
return(0);
}
}
BackgroundTask topTask = TaskManager.TopTask;
topTask.IndicatorCurrent = topTask.IndicatorMaximum;
TaskController.UpdateTask(topTask);
}
catch (Exception ex)
{
TaskManager.WriteError(ex);
}
finally
{
TaskManager.CompleteTask();
}
return(0);
}
public static int RestoreInternal(string taskId, int userId, int packageId, int serviceId, int serverId,
int storePackageId, string storePackageBackupPath, string storeServerBackupPath)
{
try
{
// copy backup from remote or local server
string backupFileName = (storePackageId > 0)
? Path.GetFileName(storePackageBackupPath) : Path.GetFileName(storeServerBackupPath);
TaskManager.StartTask(taskId, "BACKUP", "RESTORE", backupFileName, SecurityContext.User.UserId);
// create temp folder
string tempFolder = GetTempBackupFolder();
string backupFileNamePath = Path.Combine(tempFolder, backupFileName);
if (storePackageId > 0)
{
try
{
int osServiceId = PackageController.GetPackageServiceId(storePackageId, ResourceGroups.Os);
if (osServiceId > 0)
{
OS.OperatingSystem os = new OS.OperatingSystem();
ServiceProviderProxy.Init(os, osServiceId);
string remoteBackupPath = FilesController.GetFullPackagePath(storePackageId,
storePackageBackupPath);
FileStream stream = new FileStream(backupFileNamePath, FileMode.Create, FileAccess.Write);
byte[] buffer = new byte[FILE_BUFFER_LENGTH];
int offset = 0;
do
{
// read remote content
buffer = os.GetFileBinaryChunk(remoteBackupPath, offset, FILE_BUFFER_LENGTH);
// write remote content
stream.Write(buffer, 0, buffer.Length);
offset += FILE_BUFFER_LENGTH;
}while (buffer.Length == FILE_BUFFER_LENGTH);
stream.Close();
}
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't copy source backup set");
return(0);
}
}
else
{
backupFileNamePath = storeServerBackupPath;
}
try
{
// unpack archive
FileUtils.UnzipFiles(backupFileNamePath, tempFolder);
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't unzip backup set");
return(0);
}
// load backup catalog
XmlDocument doc = new XmlDocument();
try
{
doc.Load(Path.Combine(tempFolder, BACKUP_CATALOG_FILE_NAME));
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't find/open backup catalog file");
return(0);
}
// validate XML document
//if (!ValidateXmlDocument(doc))
//{
// TaskManager.WriteError("Corrupted or altered backup catalog file has been read");
// return 0;
//}
// get the list of items to restore
string condition = "";
if (userId > 0)
{
// get user spaces
List <PackageInfo> packages = new List <PackageInfo>();
packages.AddRange(PackageController.GetMyPackages(userId));
packages.AddRange(PackageController.GetPackages(userId));
List <string> parts = new List <string>();
foreach (PackageInfo package in packages)
{
parts.Add("@packageId = " + package.PackageId.ToString());
}
condition = "[" + String.Join(" or ", parts.ToArray()) + "]";
}
else if (packageId > 0)
{
condition = "[@packageId = " + packageId + "]";
}
else if (serviceId > 0)
{
condition = "[@serviceId = " + serviceId + "]";
}
else if (serverId > 0)
{
// get server services
List <ServiceInfo> services = ServerController.GetServicesByServerId(serverId);
List <string> parts = new List <string>();
foreach (ServiceInfo service in services)
{
parts.Add("@serviceId = " + service.ServiceId.ToString());
}
condition = "[" + String.Join(" or ", parts.ToArray()) + "]";
}
XmlNodeList itemNodes = doc.SelectNodes("Backup/Items/Item" + condition);
TaskManager.IndicatorMaximum = itemNodes.Count;
TaskManager.IndicatorCurrent = 0;
// group items by item types
Dictionary <int, List <XmlNode> > groupedItems = new Dictionary <int, List <XmlNode> >();
// sort by groups
foreach (XmlNode itemNode in itemNodes)
{
int itemTypeId = Utils.ParseInt(itemNode.Attributes["itemTypeId"].Value, 0);
// add to group
if (!groupedItems.ContainsKey(itemTypeId))
{
groupedItems[itemTypeId] = new List <XmlNode>();
}
groupedItems[itemTypeId].Add(itemNode);
}
// restore grouped items
foreach (int itemTypeId in groupedItems.Keys)
{
// load item type
ServiceProviderItemType itemTypeInfo = PackageController.GetServiceItemType(itemTypeId);
if (!itemTypeInfo.Backupable)
{
continue;
}
Type itemType = Type.GetType(itemTypeInfo.TypeName);
// load group
ResourceGroupInfo group = ServerController.GetResourceGroup(itemTypeInfo.GroupId);
// instantiate controller
IBackupController controller = null;
try
{
controller = Activator.CreateInstance(Type.GetType(group.GroupController)) as IBackupController;
if (controller != null)
{
// backup items
foreach (XmlNode itemNode in groupedItems[itemTypeId])
{
int itemId = Utils.ParseInt(itemNode.Attributes["itemId"].Value, 0);
string itemName = itemNode.Attributes["itemName"].Value;
int itemPackageId = Utils.ParseInt(itemNode.Attributes["packageId"].Value, 0);
int itemServiceId = Utils.ParseInt(itemNode.Attributes["serviceId"].Value, 0);
TaskManager.Write(String.Format("Restore {0} '{1}'",
itemTypeInfo.DisplayName, itemName));
try
{
int restoreResult = controller.RestoreItem(tempFolder, itemNode,
itemId, itemType, itemName, itemPackageId, itemServiceId, group);
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't restore item");
}
TaskManager.IndicatorCurrent++;
}
}
}
catch (Exception ex)
{
TaskManager.WriteError(ex);
}
}
// delete backup folder and all its contents
try
{
Directory.Delete(tempFolder, true);
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Can't delete temporary backup folder");
return(0);
}
}
catch (Exception ex)
{
TaskManager.WriteError(ex);
}
finally
{
TaskManager.CompleteTask();
}
return(0);
}
private static int BackupItem(string tempFolder, XmlWriter writer,
ServiceProviderItem item, ResourceGroupInfo group, IBackupController controller)
{
writer.WriteStartElement("Item");
writer.WriteAttributeString("itemId", item.Id.ToString());
writer.WriteAttributeString("itemTypeId", item.TypeId.ToString());
writer.WriteAttributeString("itemName", item.Name);
writer.WriteAttributeString("packageId", item.PackageId.ToString());
writer.WriteAttributeString("serviceId", item.ServiceId.ToString());
try
{
return controller.BackupItem(tempFolder, writer, item, group);
}
catch (Exception ex)
{
TaskManager.WriteError(ex);
}
finally
{
writer.WriteEndElement(); // Item
}
return 0;
}
