private bool TryToUpdateFiles()
{
Log.Append("TryToUpdateFiles() - enter");
if (!File.Exists(downloadsSchemaPath))
{
Starter.SetUpdateExistingStatus(false);
Log.Append("if ( !File.Exists( downloadsSchemaPath ) )");
return(true);
}
bool possibilityToChangeFilesToNewVersion = !Starter.SolutionExecuting && SyncHelper.EnterMutex(Starter.RunSolutionMutex, TRY_TO_UPDATE_FILES_TIME_OUT);
Log.Append("possibilityToChangeFilesToNewVersion = " + possibilityToChangeFilesToNewVersion.ToString());
if (possibilityToChangeFilesToNewVersion)
{
bool filesUpdated = UpdateFiles();
SyncHelper.ExitMutex(Starter.RunSolutionMutex);
return(filesUpdated);
}
else
{
Starter.SetUpdateExistingStatus(true, GetDownloadedUpdateNumber());
return(false);
}
}
private bool RegistrateSolutionExecuting()
{
SyncHelper.EnterMutex(RunSolutionMutex);
solutionExecuting = true;
if (!RegistrateInRegisrty())
{
SyncHelper.ExitMutex(RunSolutionMutex);
Splash.SplashWindow.HideWindow();
MessageBox.Show("Не удается получить доступ к реестру. Обратитесь к системному администратору для получения прав.\r\n\r\nВетвь: " + RegistryHelper.RegistryMainNodeName,
"Aramis.NET",
MessageBoxButton.OK,
MessageBoxImage.Error);
errorStart = true;
return(false);
}
SyncHelper.ExitMutex(RunSolutionMutex);
return(true);
}
private void UpdaterThread_DoWork()
{
if (Thread.CurrentThread.Name == null)
{
Thread.CurrentThread.Name = "Solution updater";
}
while (!stopWork)
{
Log.Append("while ( !stopWork )");
if (SyncHelper.EnterMutex(TryToUpdateAramisSolution, 1000))
{
Log.Append("if SyncHelper.EnterMutex( TryToUpdateAramisSolution, 1000 )");
TryToPerformUpdating();
Log.Append("TryToPerformUpdating();");
SyncHelper.ExitMutex(TryToUpdateAramisSolution);
Log.Append("SyncHelper.ExitMutex( TryToUpdateAramisSolution );");
}
if (timeToCheckForStarterUpdate && updateDatabaseExists)
{
Log.Append("if ( timeToCheckForStarterUpdate )");
TryToUpdateStarter();
Log.Append("after TryToUpdateStarter();");
}
Log.Append("before UpdaterThread_DoWork Sleep();");
Sleep();
Log.Append("after UpdaterThread_DoWork Sleep();");
}
Log.Append("UpdaterThread_DoWork() - exit");
}
private void TryToUpdateStarter()
{
string queryText = "select top 1 LEN([Data]) fileSize, [Data] from [Starter] where [FileName] = @FileName and [HashCode] <> @Hash";
SqlConnection conn = DatabaseHelper.GetUpdateConnection();
try
{
conn.Open();
using (SqlCommand cmd = new SqlCommand(queryText, conn))
{
cmd.Parameters.AddWithValue("@FileName", Path.GetFileName(STARTER_PATH));
string fileHash = GetUpdateStarterHash();
cmd.Parameters.AddWithValue("@Hash", fileHash == "" ? STARTER_HASH : fileHash);
using (SqlDataReader dataReader = cmd.ExecuteReader(CommandBehavior.SequentialAccess))
{
if (dataReader.Read())
{
if (!SyncHelper.EnterMutex(starterRuningMutex, 1000))
{
return;
}
#region Checking for update directory existing
if (!Directory.Exists(Path.GetDirectoryName(UPDATE_STARTER_PATH)))
{
try
{
Directory.CreateDirectory(Path.GetDirectoryName(UPDATE_STARTER_PATH));
}
catch (Exception exp)
{
Trace.WriteLine("Can't create starter update directory: " + exp.Message);
}
}
#endregion
long fileSize = Convert.ToInt64(dataReader["fileSize"]);
bool updateSaved = saveTemporaryFile(UPDATE_STARTER_PATH, fileSize, dataReader);
SyncHelper.ExitMutex(starterRuningMutex);
if (!updateSaved)
{
return;
}
}
}
}
}
catch (Exception exp)
{
Trace.WriteLine(exp.Message);
return;
}
finally
{
if (conn != null)
{
((IDisposable)conn).Dispose();
}
}
lastCheckingForStarterUpdateTime = DateTime.Now;
}