public static void CompleteTask()
{
List <BackgroundTask> tasks = TaskController.GetTasks(Guid);
if (tasks.Count == 0)
{
return;
}
BackgroundTask topTask = tasks[tasks.Count - 1];
// call event handler
CallTaskEventHandler(topTask, true);
// finish task
topTask.FinishDate = DateTime.Now;
topTask.Completed = true;
// write task execution result to database
if (tasks.Count == 1) // single task
{
// write to database
AddAuditLog(topTask);
}
TaskController.UpdateTask(topTask);
StopProcess(topTask);
}
public static void StopTask(string taskId)
{
BackgroundTask task = GetTask(taskId);
if (task == null)
{
return;
}
task.Status = BackgroundTaskStatus.Abort;
StopProcess(task);
if (!HasErrors(task))
{
task.Severity = 1;
}
task.FinishDate = DateTime.Now;
WriteWarning(task.Guid, "Task aborted by user");
AddAuditLog(task);
TaskController.UpdateTask(task);
}
private static void WriteLogRecord(Guid guid, int severity, string text, string stackTrace, params string[] textParameters)
{
List <BackgroundTask> tasks = TaskController.GetTasks(guid);
if (tasks.Count > 0)
{
BackgroundTask rootTask = tasks[0];
BackgroundTaskLogRecord log = new BackgroundTaskLogRecord(
rootTask.Id,
tasks.Count - 1,
false,
text,
stackTrace,
textParameters);
TaskController.AddLog(log);
if (severity > rootTask.Severity)
{
rootTask.Severity = severity;
TaskController.UpdateTask(rootTask);
}
}
}
public static int StopSchedule(int scheduleId)
{
int accountCheck = SecurityContext.CheckAccount(DemandAccount.NotDemo);
if (accountCheck < 0)
{
return(accountCheck);
}
SchedulerJob schedule = GetScheduleComplete(scheduleId);
if (schedule == null)
{
return(0);
}
foreach (BackgroundTask task in TaskController.GetScheduleTasks(scheduleId))
{
task.Status = BackgroundTaskStatus.Stopping;
TaskController.UpdateTask(task);
}
return(0);
}
private static void RunBackgroundTask(BackgroundTask backgroundTask)
{
UserInfo user = PackageController.GetPackageOwner(backgroundTask.PackageId);
SecurityContext.SetThreadPrincipal(user.UserId);
var schedule = SchedulerController.GetScheduleComplete(backgroundTask.ScheduleId);
backgroundTask.Guid = TaskManager.Guid;
backgroundTask.Status = BackgroundTaskStatus.Run;
TaskController.UpdateTask(backgroundTask);
try
{
var objTask = (SchedulerTask)Activator.CreateInstance(Type.GetType(schedule.Task.TaskType));
objTask.DoWork();
}
catch (Exception ex)
{
TaskManager.WriteError(ex, "Error executing scheduled task");
}
finally
{
try
{
TaskManager.CompleteTask();
}
catch (Exception)
{
}
}
}
static void PurgeCompletedTasks(object obj)
{
List <BackgroundTask> tasks = TaskController.GetProcessTasks(BackgroundTaskStatus.Run);
foreach (BackgroundTask task in tasks)
{
if (task.MaximumExecutionTime != -1 &&
((TimeSpan)(DateTime.Now - task.StartDate)).TotalSeconds > task.MaximumExecutionTime)
{
task.Status = BackgroundTaskStatus.Stopping;
TaskController.UpdateTask(task);
}
}
}
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 int InstallWebApplication(InstallationInfo inst)
{
// place log record
TaskManager.StartTask("APP_INSTALLER", "INSTALL_APPLICATION", inst.PackageId);
TaskManager.WriteParameter("Virtual directory", inst.VirtualDir);
TaskManager.WriteParameter("Database group", inst.DatabaseGroup);
try
{
// get application info
app = GetApplication(inst.PackageId, inst.ApplicationId);
BackgroundTask topTask = TaskManager.TopTask;
topTask.ItemName = app.Name;
TaskController.UpdateTask(topTask);
// check web site for existance
WebSite webSite = WebServerController.GetWebSite(inst.WebSiteId);
if (webSite == null)
{
return(BusinessErrorCodes.ERROR_WEB_INSTALLER_WEBSITE_NOT_EXISTS);
}
TaskManager.WriteParameter("Web site", webSite.Name);
webSiteName = webSite.Name;
siteId = webSite.SiteId;
// change web site properties if required
if (String.IsNullOrEmpty(inst.VirtualDir))
{
ChangeVirtualDirectoryProperties(webSite, app.WebSettings);
WebServerController.UpdateWebSite(webSite);
}
// get OS service
int osId = PackageController.GetPackageServiceId(inst.PackageId, "os");
os = new OS.OperatingSystem();
ServiceProviderProxy.Init(os, osId);
// get remote content path
contentPath = webSite.ContentPath;
// create virtual dir if required
if (!String.IsNullOrEmpty(inst.VirtualDir))
{
// check if the required virtual dir already exists
contentPath = Path.Combine(contentPath, inst.VirtualDir);
WebVirtualDirectory vdir = null;
int result = WebServerController.AddVirtualDirectory(inst.WebSiteId, inst.VirtualDir, contentPath);
if (result == BusinessErrorCodes.ERROR_VDIR_ALREADY_EXISTS)
{
// the directory alredy exists
vdir = WebServerController.GetVirtualDirectory(
inst.WebSiteId, inst.VirtualDir);
contentPath = vdir.ContentPath;
}
else
{
vdir = WebServerController.GetVirtualDirectory(
inst.WebSiteId, inst.VirtualDir);
inst[PROPERTY_VDIR_CREATED] = "True";
}
// change virtual directory properties if required
ChangeVirtualDirectoryProperties(vdir, app.WebSettings);
WebServerController.UpdateVirtualDirectory(inst.WebSiteId, vdir);
}
// deploy application codebase ZIP and then unpack it
string codebasePath = app.Codebase;
string remoteCodebasePath = Path.Combine(contentPath, Path.GetFileName(app.Codebase));
// make content path absolute
string absContentPath = FilesController.GetFullPackagePath(inst.PackageId, contentPath);
// save content path
inst[PROPERTY_CONTENT_PATH] = contentPath;
inst[PROPERTY_ABSOLUTE_CONTENT_PATH] = absContentPath;
// copy ZIP to the target server
FileStream stream = File.OpenRead(codebasePath);
int BUFFER_LENGTH = 5000000;
byte[] buffer = new byte[BUFFER_LENGTH];
int readBytes = 0;
while (true)
{
readBytes = stream.Read(buffer, 0, BUFFER_LENGTH);
if (readBytes < BUFFER_LENGTH)
{
Array.Resize <byte>(ref buffer, readBytes);
}
FilesController.AppendFileBinaryChunk(inst.PackageId, remoteCodebasePath, buffer);
if (readBytes < BUFFER_LENGTH)
{
break;
}
}
// unpack codebase
inst[PROPERTY_INSTALLED_FILES] = String.Join(";",
FilesController.UnzipFiles(inst.PackageId, new string[] { remoteCodebasePath }));
// delete codebase zip
FilesController.DeleteFiles(inst.PackageId, new string[] { remoteCodebasePath });
// check/create databases
if (!String.IsNullOrEmpty(inst.DatabaseGroup) &&
String.Compare(inst.DatabaseGroup, "None", true) != 0)
{
// database
if (inst.DatabaseId == 0)
{
TaskManager.WriteParameter("Database name", inst.DatabaseName);
// we should create a new database
SqlDatabase db = new SqlDatabase();
db.PackageId = inst.PackageId;
db.Name = inst.DatabaseName;
inst.DatabaseId = DatabaseServerController.AddSqlDatabase(db, inst.DatabaseGroup);
if (inst.DatabaseId < 0)
{
// rollback installation
RollbackInstallation(inst);
// return error
return(inst.DatabaseId); // there was an error when creating database
}
inst[PROPERTY_DATABASE_CREATED] = "True";
}
else
{
// existing database
SqlDatabase db = DatabaseServerController.GetSqlDatabase(inst.DatabaseId);
inst.DatabaseName = db.Name;
TaskManager.WriteParameter("Database name", inst.DatabaseName);
}
SqlUser user = null;
// database user
if (inst.UserId == 0)
{
TaskManager.WriteParameter("Database user", inst.Username);
// NEW USER
user = new SqlUser();
user.PackageId = inst.PackageId;
user.Name = inst.Username;
user.Databases = new string[] { inst.DatabaseName };
user.Password = inst.Password;
inst.UserId = DatabaseServerController.AddSqlUser(user, inst.DatabaseGroup);
if (inst.UserId < 0)
{
// rollback installation
RollbackInstallation(inst);
// return error
return(inst.UserId); // error while adding user
}
inst[PROPERTY_USER_CREATED] = "True";
}
else
{
// EXISTING USER
user = DatabaseServerController.GetSqlUser(inst.UserId);
inst.Username = user.Name;
TaskManager.WriteParameter("Database user", inst.Username);
List <string> databases = new List <string>();
databases.AddRange(user.Databases);
if (!databases.Contains(inst.DatabaseName))
{
databases.Add(inst.DatabaseName);
user.Databases = databases.ToArray();
DatabaseServerController.UpdateSqlUser(user);
}
}
// check connectivity with SQL Server and credentials provided
// load user item
int sqlServiceId = PackageController.GetPackageServiceId(inst.PackageId, inst.DatabaseGroup);
sql = new DatabaseServer();
ServiceProviderProxy.Init(sql, sqlServiceId);
if (!sql.CheckConnectivity(inst.DatabaseName, inst.Username,
inst.Password))
{
// can't connect to the database
RollbackInstallation(inst);
return(BusinessErrorCodes.ERROR_WEB_INSTALLER_CANT_CONNECT_DATABASE);
}
// read SQL server settings
StringDictionary settings = ServerController.GetServiceSettings(sqlServiceId);
serverIpAddressExternal = settings["ExternalAddress"];
if (settings.ContainsKey("InternalAddress"))
{
serverIpAddressInternal = settings["InternalAddress"];
}
}
// ********* RUN INSTALL SCENARIO ***********
int scriptResult = RunInstallScenario(inst);
if (scriptResult < 0)
{
// rollback installation
RollbackInstallation(inst);
// return error
return(scriptResult);
}
// add new installation to the database
return(0);
}
catch (Exception ex)
{
// rollback installation
RollbackInstallation(inst);
throw TaskManager.WriteError(ex);
}
finally
{
TaskManager.CompleteTask();
}
}
