/// <summary>
/// Constructor
/// </summary>
/// <param name="castUrl">the URL of the appcast file</param>
/// <param name="config">the current configuration</param>
public NetSparkleAppCast(string castUrl, NetSparkleConfiguration config)
{
_config = config;
_castUrl = castUrl;
_items = new List<NetSparkleAppCastItem>();
}
/// <summary>
/// This method updates the profile information which can be sended to the server if enabled
/// </summary>
/// <param name="config">the configuration</param>
public void UpdateSystemProfileInformation(NetSparkleConfiguration config)
{
// check if profile data is enabled
if (!EnableSystemProfiling)
{
return;
}
// check if we need an update
if (DateTime.Now - config.LastProfileUpdate < new TimeSpan(7, 0, 0, 0))
{
return;
}
// touch the profile update time
config.TouchProfileTime();
// start the profile thread
Thread t = new Thread(ProfileDataThreadStart);
t.Start(config);
}
#pragma warning restore 1591
/// <summary>
/// Does a one-off check for updates
/// </summary>
/// <param name="useNotificationToast">set false if you want the big dialog to open up, without the user having the chance to ignore the popup toast notification</param>
private UpdateStatus CheckForUpdates(bool useNotificationToast)
{
NetSparkleConfiguration config = GetApplicationConfig();
// update profile information is needed
UpdateSystemProfileInformation(config);
// check if update is required
NetSparkleAppCastItem[] updates;
var updateStatus = GetUpdateStatus(config, out updates);
if (updateStatus == UpdateStatus.UpdateAvailable)
{
// show the update window
ReportDiagnosticMessage("Update needed from version " + config.InstalledVersion + " to version " +
updates[0].Version);
UpdateDetectedEventArgs ev = new UpdateDetectedEventArgs
{
NextAction = NextUpdateAction.ShowStandardUserInterface,
ApplicationConfig = config,
LatestVersion = updates[0]
};
// if the client wants to intercept, send an event
if (UpdateDetected != null)
{
UpdateDetected(this, ev);
}
//otherwise just go forward with the UI notficiation
else
{
ShowUpdateNeededUI(updates, useNotificationToast);
}
}
return(updateStatus);
}
public NetSparkleDeviceInventory(NetSparkleConfiguration config)
{
_config = config;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="castUrl">the URL of the appcast file</param>
/// <param name="config">the current configuration</param>
public NetSparkleAppCast(string castUrl, NetSparkleConfiguration config)
{
_config = config;
_castUrl = castUrl;
}
/// <summary>
/// This method will be executed as worker thread
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnWorkerDoWork(object sender, DoWorkEventArgs e)
{
// store the did run once feature
bool goIntoLoop = true;
bool checkTSP = true;
bool doInitialCheck = _doInitialCheck;
bool isInitialCheck = true;
// start our lifecycles
do
{
// set state
Boolean bUpdateRequired = false;
// notify
if (CheckLoopStarted != null)
{
CheckLoopStarted(this);
}
// report status
if (doInitialCheck == false)
{
ReportDiagnosticMessage("Initial check prohibited, going to wait");
doInitialCheck = true;
goto WaitSection;
}
// report status
ReportDiagnosticMessage("Starting update loop...");
// read the config
ReportDiagnosticMessage("Reading config...");
NetSparkleConfiguration config = GetApplicationConfig();
// calc CheckTasp
Boolean checkTSPInternal = checkTSP;
if (isInitialCheck && checkTSPInternal)
{
checkTSPInternal = !_forceInitialCheck;
}
// check if it's ok the recheck to software state
if (checkTSPInternal)
{
TimeSpan csp = DateTime.Now - config.LastCheckTime;
if (csp < _checkFrequency)
{
ReportDiagnosticMessage(String.Format("Update check performed within the last {0} minutes!", _checkFrequency.TotalMinutes));
goto WaitSection;
}
}
else
{
checkTSP = true;
}
// when sparkle will be deactivated wait an other cycle
if (config.CheckForUpdate == false)
{
ReportDiagnosticMessage("Check for updates disabled");
goto WaitSection;
}
// update the runonce feature
goIntoLoop = !config.DidRunOnce;
// update profile information is needed
UpdateSystemProfileInformation(config);
// check if update is required
NetSparkleAppCastItem[] updates;
bUpdateRequired = GetUpdateStatus(config, out updates) == UpdateStatus.UpdateAvailable;
if (!bUpdateRequired)
{
goto WaitSection;
}
// show the update window
ReportDiagnosticMessage("Update needed from version " + config.InstalledVersion + " to version " + updates[0].Version);
// send notification if needed
UpdateDetectedEventArgs ev = new UpdateDetectedEventArgs {
NextAction = NextUpdateAction.ShowStandardUserInterface, ApplicationConfig = config, LatestVersion = updates[0]
};
if (UpdateDetected != null)
{
UpdateDetected(this, ev);
}
// check results
switch (ev.NextAction)
{
case NextUpdateAction.PerformUpdateUnattended:
{
ReportDiagnosticMessage("Unattended update whished from consumer");
EnableSilentMode = true;
_worker.ReportProgress(1, updates);
break;
}
case NextUpdateAction.ProhibitUpdate:
{
ReportDiagnosticMessage("Update prohibited from consumer");
break;
}
default:
{
ReportDiagnosticMessage("Showing Standard Update UI");
_worker.ReportProgress(1, updates);
break;
}
}
WaitSection:
// reset initialcheck
isInitialCheck = false;
// notify
if (CheckLoopFinished != null)
{
CheckLoopFinished(this, bUpdateRequired);
}
// report wait statement
ReportDiagnosticMessage(String.Format("Sleeping for an other {0} minutes, exit event or force update check event", _checkFrequency.TotalMinutes));
// wait for
if (!goIntoLoop)
{
break;
}
// build the event array
WaitHandle[] handles = new WaitHandle[1];
handles[0] = _exitHandle;
// wait for any
int i = WaitHandle.WaitAny(handles, _checkFrequency);
if (WaitHandle.WaitTimeout == i)
{
ReportDiagnosticMessage(String.Format("{0} minutes are over", _checkFrequency.TotalMinutes));
continue;
}
// check the exit hadnle
if (i == 0)
{
ReportDiagnosticMessage("Got exit signal");
break;
}
// check an other check needed
if (i == 1)
{
ReportDiagnosticMessage("Got force update check signal");
checkTSP = false;
}
} while (goIntoLoop);
// reset the islooping handle
_loopingHandle.Reset();
}
/// <summary>
/// This method checks if an update is required. During this process the appcast
/// will be downloaded and checked against the reference assembly. Ensure that
/// the calling process has access to the internet and read access to the
/// reference assembly. This method is also called from the background loops.
/// </summary>
/// <param name="config">the configuration</param>
/// <param name="updates">list of available updates sorted decreasing</param>
/// <returns><c>true</c> if an update is required</returns>
public UpdateStatus GetUpdateStatus(NetSparkleConfiguration config, out NetSparkleAppCastItem[] updates)
{
// report
ReportDiagnosticMessage("Downloading and checking appcast");
// init the appcast
NetSparkleAppCast cast = new NetSparkleAppCast(_appCastUrl, config);
cast.Read();
// check if any updates are available
try
{
updates = cast.GetUpdates();
}
catch (Exception e)
{
// show the exception message
ReportDiagnosticMessage("Error during app cast download: " + e.Message);
// just null the version info
updates = null;
}
if (updates == null)
{
ReportDiagnosticMessage("No version information in app cast found");
return UpdateStatus.CouldNotDetermine;
}
// set the last check time
ReportDiagnosticMessage("Touch the last check timestamp");
config.TouchCheckTime();
// check if the version will be the same then the installed version
if (updates.Length == 0)
{
ReportDiagnosticMessage("Installed version is valid, no update needed (" + config.InstalledVersion + ")");
return UpdateStatus.UpdateNotAvailable;
}
ReportDiagnosticMessage("Latest version on the server is " + updates[0].Version);
// check if the available update has to be skipped
if (updates[0].Version.Equals(config.SkipThisVersion))
{
ReportDiagnosticMessage("Latest update has to be skipped (user decided to skip version " + config.SkipThisVersion + ")");
return UpdateStatus.UserSkipped;
}
// ok we need an update
return UpdateStatus.UpdateAvailable;
}
/// <summary>
/// This method updates the profile information which can be sended to the server if enabled
/// </summary>
/// <param name="config">the configuration</param>
public void UpdateSystemProfileInformation(NetSparkleConfiguration config)
{
// check if profile data is enabled
if (!EnableSystemProfiling)
return;
// check if we need an update
if (DateTime.Now - config.LastProfileUpdate < new TimeSpan(7, 0, 0, 0))
return;
// touch the profile update time
config.TouchProfileTime();
// start the profile thread
Thread t = new Thread(ProfileDataThreadStart);
t.Start(config);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="castUrl">the URL of the appcast file</param>
/// <param name="config">the current configuration</param>
public NetSparkleAppCast(string castUrl, NetSparkleConfiguration config)
{
_config = config;
_castUrl = castUrl;
}
public NetSparkleDeviceInventory(NetSparkleConfiguration config)
{
_config = config;
}
/// <summary>
/// This method checks if an update is required. During this process the appcast
/// will be downloaded and checked against the reference assembly. Ensure that
/// the calling process has read access to the reference assembly.
/// This method is also called from the background loops.
/// </summary>
/// <param name="config">the configuration</param>
/// <returns>SparkleUpdate with information on whether there is an update available or not.</returns>
public async Task<SparkleUpdateInfo> GetUpdateStatus(NetSparkleConfiguration config)
{
NetSparkleAppCastItem[] updates = null;
// report
ReportDiagnosticMessage("Downloading and checking appcast");
// init the appcast
NetSparkleAppCast cast = new NetSparkleAppCast(_appCastUrl, this, config);
// check if any updates are available
try
{
var task = Task.Factory.StartNew(() =>
{
if (cast.Read())
updates = cast.GetUpdates();
});
await task;
}
catch (Exception e)
{
ReportDiagnosticMessage("Couldn't read/parse the app cast: " + e.Message);
updates = null;
}
if (updates == null)
{
ReportDiagnosticMessage("No version information in app cast found");
return new SparkleUpdateInfo(UpdateStatus.CouldNotDetermine);
}
// set the last check time
ReportDiagnosticMessage("Touch the last check timestamp");
config.TouchCheckTime();
// check if the version will be the same then the installed version
if (updates.Length == 0)
{
ReportDiagnosticMessage("Installed version is valid, no update needed (" + config.InstalledVersion + ")");
return new SparkleUpdateInfo(UpdateStatus.UpdateNotAvailable);
}
ReportDiagnosticMessage("Latest version on the server is " + updates[0].Version);
// check if the available update has to be skipped
if (updates[0].Version.Equals(config.SkipThisVersion))
{
ReportDiagnosticMessage("Latest update has to be skipped (user decided to skip version " + config.SkipThisVersion + ")");
return new SparkleUpdateInfo(UpdateStatus.UserSkipped);
}
// ok we need an update
return new SparkleUpdateInfo(UpdateStatus.UpdateAvailable, updates);
}
