/// <summary>
/// Opens the <see cref="AppStoreClient" /> instance so that it is ready to
/// process requests.
/// </summary>
/// <param name="router">The <see cref="MsgRouter" /> to be associated with the client.</param>
/// <param name="settings">The <see cref="AppStoreClientSettings" /> to be used.</param>
/// <exception cref="InvalidOperationException">Thrown if the instance is already open.</exception>
public void Open(MsgRouter router, AppStoreClientSettings settings)
{
if (this.syncLock != null)
{
throw new InvalidOperationException("AppStoreClient is already open.");
}
// Make sure that the LillTek.Datacenter message types have been
// registered with the LillTek.Messaging subsystem.
LillTek.Datacenter.Global.RegisterMsgTypes();
// Initialize
using (TimedLock.Lock(router.SyncRoot))
{
this.syncLock = router.SyncRoot;
this.router = router;
this.settings = settings;
this.bkTimer = new GatedTimer(new System.Threading.TimerCallback(OnBkTimer), null, settings.BkTaskInterval);
this.nextPurgeTime = SysTime.Now;
if (settings.LocalCache)
{
this.packageFolder = new AppPackageFolder(syncLock, settings.PackageFolder);
}
else
{
this.packageFolder = null;
}
router.Dispatcher.AddTarget(this);
}
}
/// <summary>
/// Releases all resources associated with the instance.
/// </summary>
public void Close()
{
using (TimedLock.Lock(syncLock))
{
if (syncLock == null)
{
return;
}
router.Dispatcher.RemoveTarget(this);
if (packageFolder != null)
{
packageFolder.Dispose();
packageFolder = null;
}
if (bkTimer != null)
{
bkTimer.Dispose();
bkTimer = null;
}
router = null;
syncLock = null;
}
}
private DateTime nextPurgeTime; // Next scheduled package folder purge time (SYS)
/// <summary>
/// Constructor.
/// </summary>
public AppStoreClient()
{
this.syncLock = null;
this.router = null;
this.packageFolder = null;
this.bkTimer = null;
}