public static QuotaKeeper Create(
IAbsFileSystem fileSystem,
ContentStoreInternalTracer tracer,
CancellationToken token,
IContentStoreInternal store,
QuotaKeeperConfiguration configuration)
{
Contract.RequiresNotNull(fileSystem);
Contract.RequiresNotNull(tracer);
Contract.RequiresNotNull(configuration);
return(new QuotaKeeper(fileSystem, tracer, configuration, token, store));
}
/// <nodoc />
public LegacyQuotaKeeper(
IAbsFileSystem fileSystem,
ContentStoreInternalTracer tracer,
QuotaKeeperConfiguration configuration,
CancellationToken token,
IContentStoreInternal store)
: base(configuration)
{
_tracer = tracer;
_size = configuration.ContentDirectorySize;
_token = token;
_store = store;
_reserveQueue = new BlockingCollection <Request <QuotaKeeperRequest, string> >();
_rules = CreateRules(fileSystem, configuration, store);
}
/// <nodoc />
public static QuotaKeeper Create(
IAbsFileSystem fileSystem,
ContentStoreInternalTracer tracer,
CancellationToken token,
IContentStoreInternal store,
QuotaKeeperConfiguration configuration)
{
Contract.Requires(fileSystem != null);
Contract.Requires(tracer != null);
Contract.Requires(configuration != null);
if (configuration.UseLegacyQuotaKeeper)
{
return(new LegacyQuotaKeeper(fileSystem, tracer, configuration, token, store));
}
return(new QuotaKeeperV2(fileSystem, tracer, configuration, token, store));
}
public QuotaKeeper(
IAbsFileSystem fileSystem,
ContentStoreInternalTracer tracer,
QuotaKeeperConfiguration configuration,
CancellationToken token,
IContentStoreInternal store)
{
_contentStoreTracer = tracer;
_tracer = new Tracer(name: Component);
_allContentSize = configuration.ContentDirectorySize;
_token = token;
_store = store;
_reserveQueue = new BlockingCollection <QuotaRequest>();
_evictionQueue = new ConcurrentQueue <ReserveSpaceRequest>();
_distributedEvictionSettings = configuration.DistributedEvictionSettings;
_rules = CreateRules(fileSystem, configuration, store);
Counters = new CounterCollection <QuotaKeeperCounters>();
}
public QuotaKeeper(
IAbsFileSystem fileSystem,
ContentStoreInternalTracer tracer,
QuotaKeeperConfiguration configuration,
CancellationToken token,
FileSystemContentStoreInternal store,
IDistributedLocationStore?distributedStore)
{
_contentStoreTracer = tracer;
Tracer = new Tracer(name: $"{Component}({store.RootPath})");
_allContentSize = configuration.ContentDirectorySize;
_token = token;
_store = store;
_distributedStore = distributedStore;
_reserveQueue = new BlockingCollection <QuotaRequest>();
_evictionQueue = new ConcurrentQueue <ReserveSpaceRequest>();
_rules = CreateRules(fileSystem, configuration, store);
Counters = new CounterCollection <QuotaKeeperCounters>();
}
/// <nodoc />
protected List <IQuotaRule> CreateRules(
IAbsFileSystem fileSystem,
QuotaKeeperConfiguration configuration,
IContentStoreInternal store)
{
var rules = new List <IQuotaRule>();
var distributedEvictionSettings = configuration.DistributedEvictionSettings;
if (configuration.EnableElasticity)
{
var elasticSizeRule = new ElasticSizeRule(
configuration.HistoryWindowSize,
configuration.InitialElasticSize,
EvictContentAsync,
() => CurrentSize,
store.ReadPinSizeHistory,
fileSystem,
store.RootPath,
distributedEvictionSettings: distributedEvictionSettings);
rules.Add(elasticSizeRule);
}
else
{
if (configuration.MaxSizeQuota != null)
{
rules.Add(new MaxSizeRule(configuration.MaxSizeQuota, EvictContentAsync, () => CurrentSize, distributedEvictionSettings));
}
if (configuration.DiskFreePercentQuota != null)
{
rules.Add(new DiskFreePercentRule(configuration.DiskFreePercentQuota, EvictContentAsync, fileSystem, store.RootPath, distributedEvictionSettings));
}
}
if (!rules.Any())
{
throw new CacheException("At least one quota rule must be defined");
}
return(rules);
}
/// <nodoc />
protected QuotaKeeper(QuotaKeeperConfiguration configuration)
{
PurgeAtStartup = configuration.StartPurgingAtStartup;
}