/// <summary>
/// Find previous session and if it was broken restore it.
/// </summary>
/// <returns>false if session was not restored due to any reason</returns>
bool restore(ref DateTime start_time)
{
lock (this)
{
try
{
switch (Session.This.SourceType)
{
case ItemSourceType.DB:
return(false);
case ItemSourceType.FILE:
DirectoryInfo work_di = new DirectoryInfo(Log.WorkDir);
DirectoryInfo[] session_dis = work_di.GetDirectories("Session*", SearchOption.TopDirectoryOnly);
Array.Sort(session_dis, new CompareDirectoryInfo());
for (int i = session_dis.Length - 2; i >= 0; i--) //pass own session
{
//if (dis[i].FullName == Log.SessionDir)//pass own session
// continue;
FileInfo ssfi = new FileInfo(session_dis[i].FullName + "\\" + STATES_FILE_NAME);
if (!ssfi.Exists)
{
continue;
}
XmlTextReader xtr = new XmlTextReader(ssfi.FullName);
SessionState last_state = SessionState.EMPTY;
start_time = DateTime.Now;
while (xtr.Move2Element("State", true) != null)
{
string s = xtr.Move2Attribute("value", true);
last_state = (SessionState)Enum.Parse(typeof(SessionState), s, true);
if (last_state == SessionState.STARTED)
{
start_time = DateTime.Parse(xtr.Move2Attribute("session_start_time", true));
}
}
switch (last_state)
{
case SessionState.EMPTY:
case SessionState.RESTORING:
continue;
case SessionState.COMPLETED:
Log.Main.Write("Previous session was completed successfully.");
return(false);
}
//Log.Main.Write("Previous session was broken.");
string previous_broken_session_dir = session_dis[i].FullName;
if (!LogMessage.AskYesNo("Previous session " + previous_broken_session_dir + " was not completed. Restore it?", true))
{
return(false);
}
FileInfo broken_session_items_fi = new FileInfo(previous_broken_session_dir + "\\" + ITEMS_FILE_NAME);
if (!broken_session_items_fi.Exists)
{
string str = "Could not find " + broken_session_items_fi.Name + " in " + previous_broken_session_dir + "!";
if (LogMessage.AskYesNo(str + " Proceed without session restoring?", true))
{
return(false);
}
else
{
Close();
return(false);
}
}
Log.Main.Write("Restoring session " + previous_broken_session_dir);
set_session_state(SessionState.RESTORING, "source_session", previous_broken_session_dir);
Log.Main.Write("Restoring session from " + previous_broken_session_dir);
restore_session_from_xml_file(broken_session_items_fi.FullName);
//string previous_broken_session_output_file = previous_broken_session_dir + "\\" + Log.OutputDirName + "\\" + Properties.Output.Default.OutputFile;
//if (File.Exists(previous_broken_session_output_file))
//{
// File.Copy(previous_broken_session_output_file, Log.OutputDir + "\\" + Properties.Output.Default.OutputFile);
// Log.Main.Write("Output file of previous broken session was copied to the current session and will be appended if has the name name: " + previous_broken_session_output_file);
//}
//else
// Log.Main.Write("Output file of previous broken session does not exists: " + previous_broken_session_output_file);
DirectoryInfo output_di = new DirectoryInfo(previous_broken_session_dir + "\\" + Log.OutputDirName);
if (output_di.Exists)
{
foreach (FileInfo fi in output_di.GetFiles())
{
string old_output_file2;
if (!Properties.Output.Default.WriteOutputFile2CommonFolder)
{
old_output_file2 = Log.OutputDir + "\\" + fi.Name;
}
else
{
old_output_file2 = Log.WorkDir + "\\" + fi.Name;
}
if (!File.Exists(old_output_file2))
{
File.Copy(fi.FullName, old_output_file2);
Log.Main.Write("Output file of previous broken session was copied to the current output folder: " + old_output_file2);
}
else
{
Log.Main.Warning("Output file of previous broken session was not copied because the destination one exists already: " + old_output_file2);
}
}
}
return(true);
}
return(false);
default:
throw new Exception("Undefined SourceType: " + Session.This.SourceType.ToString());
}
}
catch (Exception e)
{
LogMessage.Exit(e);
}
return(false);
}
}