public static StorageConfiguration GetConfiguration(bool forceReload)
{
if (!forceReload)
{
lock (_syncLock)
{
if (_storageConfigurationCache != null && _storageConfigurationCacheTime > Environment.TickCount - _storageConfigurationCacheExpiry)
{
return(_storageConfigurationCache.Clone());
}
}
}
StorageConfiguration configuration = null;
Platform.GetService <IStorageConfiguration>(s =>
{
configuration = s.GetConfiguration(new GetStorageConfigurationRequest()).Configuration;
if (configuration != null)
{
lock (_syncLock)
{
_storageConfigurationCache = configuration.Clone();
_storageConfigurationCacheTime = Environment.TickCount;
}
}
});
return(configuration);
}
public static StorageConfiguration GetConfiguration()
{
StorageConfiguration configuration = null;
Platform.GetService <IStorageConfiguration>(
s => configuration = s.GetConfiguration(new GetStorageConfigurationRequest()).Configuration);
return(configuration);
}
public static void UpdateConfiguration(StorageConfiguration configuration)
{
Platform.GetService <IStorageConfiguration>(
s => s.UpdateConfiguration(new UpdateStorageConfigurationRequest
{
Configuration = configuration
}));
}
private const long _storageConfigurationCacheExpiry = 10000; // really short timeout, we're just mitigating against access in tight loops
public static void UpdateConfiguration(StorageConfiguration configuration)
{
Platform.GetService <IStorageConfiguration>(s =>
{
s.UpdateConfiguration(new UpdateStorageConfigurationRequest {
Configuration = configuration
});
lock (_syncLock)
{
// we don't actually just update the cache, because the database is shared and may be updated by other processes
_storageConfigurationCache = null;
}
});
}
// TODO (CR Jun 2012): Move to a helper class?
#region Implementation of IStorageConfiguration
public GetStorageConfigurationResult GetConfiguration(GetStorageConfigurationRequest request)
{
var storageSettings = new StorageSettings();
var deletionSettings = new StudyDeletionSettings();
var configuration = new StorageConfiguration
{
FileStoreDirectory = storageSettings.FileStoreDirectory,
MinimumFreeSpacePercent = storageSettings.MinimumFreeSpacePercent,
DefaultDeletionRule = new StorageConfiguration.DeletionRule
{
Enabled = deletionSettings.Enabled,
TimeUnit = deletionSettings.TimeUnit,
TimeValue = deletionSettings.TimeValue
}
};
Complete(configuration);
return(new GetStorageConfigurationResult {
Configuration = configuration
});
}
private void Complete(StorageConfiguration configuration)
{
if (String.IsNullOrEmpty(configuration.FileStoreDirectory))
{
configuration.FileStoreDirectory = DefaultFileStoreLocation;
}
if (configuration.AutoCalculateMinimumFreeSpacePercent)
{
configuration.MinimumFreeSpaceBytes = ComputeMinimumFreeSpaceBytes(configuration.FileStoreDirectory);
}
if (configuration.DefaultDeletionRule == null)
{
configuration.DefaultDeletionRule = new StorageConfiguration.DeletionRule
{
Enabled = false,
TimeUnit = TimeUnit.Weeks,
TimeValue = 1
}
}
;
}
