protected override void OnDoWork(DoWorkEventArgs e)
{
// get all parameters
StartOptions = (ElevationDatabaseUpdaterStartOptions)e.Argument;
this.ReportProgress(0, StartOptions.Name + " started.");
// name the thread for debugging
if (String.IsNullOrEmpty(Thread.CurrentThread.Name))
{
Thread.CurrentThread.Name = StartOptions.Name + "_" + this.GetType().Name;
}
// get update interval
int interval = (int)Properties.Settings.Default.Datatbase_BackgroundUpdate_Period * 60;
do
{
try
{
int errors = 0;
// check if any kind of update is enabled
if ((StartOptions.Options == BACKGROUNDUPDATERSTARTOPTIONS.RUNONCE) || (StartOptions.Options == BACKGROUNDUPDATERSTARTOPTIONS.RUNPERIODICALLY))
{
// reset status
ElevationData.Database.SetDBStatus(StartOptions.Model, DATABASESTATUS.UNDEFINED);
this.ReportProgress(1, ElevationData.Database.GetDBStatus(StartOptions.Model));
// clear temporary files
try
{
SupportFunctions.DeleteFilesFromDirectory(TmpDirectory, new string[] { "*.tmp", "*.PendingOverwrite" });
SupportFunctions.DeleteFilesFromDirectory(ElevationData.Database.DefaultDatabaseDirectory(StartOptions.Model), new string[] { "*.tmp", "*.PendingOverwrite" });
}
catch (Exception ex)
{
this.ReportProgress(-1, ex.ToString());
}
Stopwatch st = new Stopwatch();
st.Start();
// check last change of database file
if (HasDatabaseChanged() || HasUpdateChanged() || HaveBoundsChanged())
{
// database and/or update has changed --> full check necessary
// check if database is complete
this.ReportProgress(0, "Checking " + StartOptions.Name + "...");
bool b = IsDatabaseComplete();
st.Stop();
if (b)
{
// set status
ElevationData.Database.SetDBStatusBit(StartOptions.Model, DATABASESTATUS.COMPLETE);
// set bounds
ElevationData.Database.MinLat = StartOptions.MinLat;
ElevationData.Database.MinLon = StartOptions.MinLon;
ElevationData.Database.MaxLat = StartOptions.MaxLat;
ElevationData.Database.MaxLon = StartOptions.MaxLon;
this.ReportProgress(0, StartOptions.Name + " complete: " + st.ElapsedMilliseconds / 1000 + "sec.");
}
else
{
ElevationData.Database.ResetDBStatusBit(StartOptions.Model, DATABASESTATUS.COMPLETE);
}
this.ReportProgress(1, ElevationData.Database.GetDBStatus(StartOptions.Model));
if (this.CancellationPending)
{
break;
}
st.Restart();
// update elevation database if necessary
this.ReportProgress(0, "Updating " + StartOptions.Name + "...");
// reset database status
ElevationData.Database.ResetDBStatusBit(StartOptions.Model, DATABASESTATUS.UPTODATE);
ElevationData.Database.ResetDBStatusBit(StartOptions.Model, DATABASESTATUS.ERROR);
ElevationData.Database.SetDBStatusBit(StartOptions.Model, DATABASESTATUS.UPDATING);
this.ReportProgress(1, ElevationData.Database.GetDBStatus(StartOptions.Model));
// start update
int er = -UpdateDatabase();
// set database status
ElevationData.Database.ResetDBStatusBit(StartOptions.Model, DATABASESTATUS.UPDATING);
if (er > 0)
{
ElevationData.Database.SetDBStatusBit(StartOptions.Model, DATABASESTATUS.ERROR);
}
else
{
ElevationData.Database.ResetDBStatusBit(StartOptions.Model, DATABASESTATUS.ERROR);
ElevationData.Database.SetDBStatusBit(StartOptions.Model, DATABASESTATUS.UPTODATE);
}
this.ReportProgress(1, ElevationData.Database.GetDBStatus(StartOptions.Model));
st.Stop();
if (this.CancellationPending)
{
break;
}
// display status
if (errors == 0)
{
this.ReportProgress(0, StartOptions.Name + " update completed: " + st.Elapsed.ToString(@"hh\:mm\:ss"));
}
else
{
this.ReportProgress(0, StartOptions.Name + " update completed with errors[" + errors.ToString() + "]: " + st.Elapsed.ToString(@"hh\:mm\:ss"));
}
// store database timestamp & status in settings
SaveDatabaseTimeStamp();
SaveDatabaseStatus();
SaveUpdateTimeStamp();
SaveBounds();
// sleep once to get all messages to main thread
Thread.Sleep(1000);
}
else
{
// database and update not changed -> nothing to do
// restore database status
ElevationData.Database.SetDBStatus(StartOptions.Model, GetSavedDatabaseStatus());
this.ReportProgress(1, ElevationData.Database.GetDBStatus(StartOptions.Model));
this.ReportProgress(0, StartOptions.Name + " update completed: " + st.Elapsed.ToString(@"hh\:mm\:ss"));
}
// sleep when running periodically
if (StartOptions.Options == BACKGROUNDUPDATERSTARTOPTIONS.RUNPERIODICALLY)
{
int i = 0;
while (!this.CancellationPending && (i < interval))
{
Thread.Sleep(1000);
i++;
}
}
}
}
catch (Exception ex)
{
this.ReportProgress(-1, ex.ToString());
}
if (this.CancellationPending)
{
break;
}
// sleep when running periodically
if (StartOptions.Options == BACKGROUNDUPDATERSTARTOPTIONS.RUNPERIODICALLY)
{
int i = 0;
while (!this.CancellationPending && (i < interval))
{
Thread.Sleep(1000);
i++;
}
}
}while (StartOptions.Options == BACKGROUNDUPDATERSTARTOPTIONS.RUNPERIODICALLY);
if (this.CancellationPending)
{
this.ReportProgress(0, StartOptions.Name + " cancelled.");
}
else
{
this.ReportProgress(0, StartOptions.Name + " finished.");
}
}
protected override void OnDoWork(DoWorkEventArgs e)
{
StartOptions = (StationDatabaseUpdaterStartOptions)e.Argument;
this.ReportProgress(0, StartOptions.Name + " started.");
// name the thread for debugging
if (String.IsNullOrEmpty(Thread.CurrentThread.Name))
{
Thread.CurrentThread.Name = nameof(StationDatabaseUpdater);
}
this.ReportProgress(0, "Updating station database...");
// get current AirScout password phrase for Unzip from website
try
{
WebClient client = new WebClient();
string result = client.DownloadString(StartOptions.GetKeyURL +
"?id=" + StartOptions.InstanceID +
"&key=zip");
if (!result.StartsWith("Error:"))
{
result = result.Trim('\"');
Password = Encryption.OpenSSLDecrypt(result, StartOptions.SessionKey);
}
}
catch (Exception ex)
{
this.ReportProgress(-1, ex.ToString());
}
// get update interval
int interval = (int)Properties.Settings.Default.Database_BackgroundUpdate_Period * 60;
do
{
try
{
int errors = 0;
// check if any kind of update is enabled
if ((StartOptions.Options == BACKGROUNDUPDATERSTARTOPTIONS.RUNONCE) || (StartOptions.Options == BACKGROUNDUPDATERSTARTOPTIONS.RUNPERIODICALLY))
{
// reset database status
StationData.Database.SetDBStatus(DATABASESTATUS.UNDEFINED);
this.ReportProgress(1, StationData.Database.GetDBStatus());
Stopwatch st = new Stopwatch();
st.Start();
// clear temporary files
try
{
SupportFunctions.DeleteFilesFromDirectory(TmpDirectory, new string[] { "*.tmp", "*.PendingOverwrite" });
}
catch (Exception ex)
{
this.ReportProgress(-1, ex.ToString());
}
// set status to updating
StationData.Database.SetDBStatus(DATABASESTATUS.UPDATING);
this.ReportProgress(1, StationData.Database.GetDBStatus());
// update location database
this.ReportProgress(0, "Updating locations from web database...");
// get update from url
GetUpdateFromURL(Properties.Settings.Default.Stations_UpdateURL + "locations.zip", Path.Combine(TmpDirectory, "locations.zip"), Path.Combine(TmpDirectory, "locations.json"));
if (HasDatabaseChanged() || HasLocationUpdateChanged())
{
// database and/or update changed --> do full check
if (!ReadLocationsFromURL(Properties.Settings.Default.Stations_UpdateURL + "locations.zip", Path.Combine(TmpDirectory, "locations.zip"), Path.Combine(TmpDirectory, "locations.json")))
{
errors++;
}
// save status & timestamps
SaveDatabaseTimeStamp();
SaveDatabaseStatus();
SaveLocationUpdateTimeStamp();
}
else
{
// dabase and update not changed --> nothing to do
// restore database status
StationData.Database.SetDBStatus(GetDatabaseStatus());
}
if (this.CancellationPending)
{
break;
}
// update qrv database
this.ReportProgress(0, "Updating qrv info from web database...");
// get update from url
GetUpdateFromURL(Properties.Settings.Default.Stations_UpdateURL + "qrv.zip", Path.Combine(TmpDirectory, "qrv.zip"), Path.Combine(TmpDirectory, "qrv.json"));
if (HasDatabaseChanged() || HasQRVUpdateChanged())
{
if (!ReadQRVFromURL(Properties.Settings.Default.Stations_UpdateURL + "qrv.zip", Path.Combine(TmpDirectory, "qrv.zip"), Path.Combine(TmpDirectory, "qrv.json")))
{
errors++;
}
// save status & timestamps
SaveDatabaseTimeStamp();
SaveDatabaseStatus();
SaveQRVUpdateTimeStamp();
}
else
{
// dabase and update not changed --> nothing to do
// restore database status
StationData.Database.SetDBStatus(GetDatabaseStatus());
}
// silently update locations from V1.2 database if found
string appdatadir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), Application.CompanyName, Application.ProductName).TrimEnd(Path.DirectorySeparatorChar);
string oldfile = Path.Combine(appdatadir.Replace("AirScout", "ScoutBase"), "Database", "ScoutBase.db3");
if (File.Exists(oldfile))
{
this.ReportProgress(0, "Import locations from V1.2 database...");
if (!ReadLocationsFromV1_2(oldfile))
{
errors++;
}
}
st.Stop();
// display status
if (errors == 0)
{
StationData.Database.SetDBStatus(DATABASESTATUS.UPTODATE);
this.ReportProgress(1, StationData.Database.GetDBStatus());
this.ReportProgress(0, " Station database update completed: " + st.Elapsed.ToString(@"hh\:mm\:ss"));
}
else
{
StationData.Database.SetDBStatus(DATABASESTATUS.ERROR);
this.ReportProgress(1, StationData.Database.GetDBStatus());
this.ReportProgress(0, " Station database update completed with errors[" + errors.ToString() + "]: " + st.Elapsed.ToString(@"hh\:mm\:ss"));
}
// sleep once to get all messages to main thread
Thread.Sleep(1000);
// sleep when running periodically
if (StartOptions.Options == BACKGROUNDUPDATERSTARTOPTIONS.RUNPERIODICALLY)
{
int i = 0;
while (!this.CancellationPending && (i < interval))
{
Thread.Sleep(1000);
i++;
}
}
}
}
catch (Exception ex)
{
this.ReportProgress(-1, ex.ToString());
}
}while (!this.CancellationPending && (StartOptions.Options == BACKGROUNDUPDATERSTARTOPTIONS.RUNPERIODICALLY));
if (this.CancellationPending)
{
this.ReportProgress(0, "Cancelled.");
}
else
{
this.ReportProgress(0, "Finished.");
}
}