protected virtual void DependencyDispose()
{
DependencyDisposeInternal();
DisposeWatchers();
if (dependency != null)
{
dependency.DependencyChanged -= new EventHandler(OnChildDependencyChanged);
dependency.Dispose();
}
cache = null;
}
internal static bool HasDependencyChanged(bool isFragment, string depKey, string[] fileDeps, string kernelKey, string oceKey, string providerName)
{
if (depKey == null)
{
#if DBG
Debug.Trace("OutputCache", "HasDependencyChanged(" + depKey + ", ..., " + oceKey + ", ...) --> false");
#endif
return(false);
}
// is the file dependency already in the in-memory cache?
if (HttpRuntime.Cache.InternalCache.Get(depKey) != null)
{
#if DBG
Debug.Trace("OutputCache", "HasDependencyChanged(" + depKey + ", ..., " + oceKey + ", ...) --> false");
#endif
return(false);
}
// deserialize the file dependencies
CacheDependency dep = new CacheDependency(0, fileDeps);
int idStartIndex = OUTPUTCACHE_KEYPREFIX_DEPENDENCIES.Length;
int idLength = depKey.Length - idStartIndex;
CacheItemRemovedCallback callback = (isFragment) ? s_dependencyRemovedCallbackForFragment : s_dependencyRemovedCallback;
// have the file dependencies changed?
if (String.Compare(dep.GetUniqueID(), 0, depKey, idStartIndex, idLength, StringComparison.Ordinal) == 0)
{
// file dependencies have not changed--cache them with callback to remove OutputCacheEntry if they change
HttpRuntime.Cache.InternalCache.Insert(depKey, new DependencyCacheEntry(oceKey, kernelKey, providerName), new CacheInsertOptions()
{
Dependencies = dep,
OnRemovedCallback = callback
});
#if DBG
Debug.Trace("OutputCache", "HasDependencyChanged(" + depKey + ", ..., " + oceKey + ", ...) --> false, DEPENDENCY RE-INSERTED");
#endif
return(false);
}
else
{
// file dependencies have changed
dep.Dispose();
#if DBG
Debug.Trace("OutputCache", "HasDependencyChanged(" + depKey + ", ..., " + oceKey + ", ...) --> true, " + dep.GetUniqueID());
#endif
return(true);
}
}
void DependencyDispose()
{
#if NET_2_0
DependencyDisposeInternal();
#endif
DisposeWatchers();
if (dependency != null)
{
dependency.DependencyChanged -= new EventHandler(OnChildDependencyChanged);
dependency.Dispose();
}
cache = null;
}
internal static bool HasDependencyChanged(bool isFragment, string depKey, string[] fileDeps, string kernelKey, string oceKey, string providerName)
{
if (depKey == null)
{
return(false);
}
if (HttpRuntime.CacheInternal.Get(depKey) != null)
{
return(false);
}
CacheDependency dependencies = new CacheDependency(0, fileDeps);
int length = "aD".Length;
int num2 = depKey.Length - length;
CacheItemRemovedCallback onRemoveCallback = isFragment ? s_dependencyRemovedCallbackForFragment : s_dependencyRemovedCallback;
if (string.Compare(dependencies.GetUniqueID(), 0, depKey, length, num2, StringComparison.Ordinal) == 0)
{
HttpRuntime.CacheInternal.UtcInsert(depKey, new DependencyCacheEntry(oceKey, kernelKey, providerName), dependencies, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration, CacheItemPriority.Normal, onRemoveCallback);
return(false);
}
dependencies.Dispose();
return(true);
}
// insert cached vary or output cache entry
internal static void InsertResponse(String cachedVaryKey, CachedVary cachedVary,
String rawResponseKey, CachedRawResponse rawResponse,
CacheDependency dependencies,
DateTime absExp, TimeSpan slidingExp) {
// if the provider is undefined or the fragment can't be inserted in the
// provider, insert it in the internal cache.
OutputCacheProvider provider = GetProvider(HttpContext.Current);
//
// CachedVary can be serialized.
// CachedRawResponse is not always serializable.
//
bool useProvider = (provider != null);
if (useProvider) {
bool canUseProvider = (IsSubstBlockSerializable(rawResponse._rawResponse)
&& rawResponse._settings.IsValidationCallbackSerializable()
&& slidingExp == Cache.NoSlidingExpiration
&& (dependencies == null || dependencies.IsFileDependency()));
if (useProvider && !canUseProvider) {
throw new ProviderException(SR.GetString(SR.Provider_does_not_support_policy_for_responses, provider.Name));
}
}
#if DBG
bool cachedVaryPutInCache = (cachedVary != null);
#endif
if (cachedVary != null) {
/*
* Add the CachedVary item so that a request will know
* which headers are needed to issue another request.
*
* Use the Add method so that we guarantee we only use
* a single CachedVary and don't overwrite existing ones.
*/
CachedVary cachedVaryInCache;
if (!useProvider) {
cachedVaryInCache = OutputCache.UtcAdd(cachedVaryKey, cachedVary);
}
else {
cachedVaryInCache = (CachedVary) provider.Add(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
if (cachedVaryInCache != null) {
if (!cachedVary.Equals(cachedVaryInCache)) {
if (!useProvider) {
HttpRuntime.CacheInternal.UtcInsert(cachedVaryKey, cachedVary);
}
else {
provider.Set(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
}
else {
cachedVary = cachedVaryInCache;
#if DBG
cachedVaryPutInCache = false;
#endif
}
}
if (!useProvider) {
AddCacheKeyToDependencies(ref dependencies, cachedVaryKey);
}
// not all caches support cache key dependencies, but we can use a "change number" to associate
// the ControlCachedVary and the PartialCachingCacheEntry
rawResponse._cachedVaryId = cachedVary.CachedVaryId;
}
// Now insert into the cache (use cache provider if possible, otherwise use internal cache)
if (!useProvider) {
HttpRuntime.CacheInternal.UtcInsert(rawResponseKey, rawResponse,
dependencies,
absExp, slidingExp,
CacheItemPriority.Normal,
s_entryRemovedCallback);
IncrementCount();
PerfCounters.IncrementCounter(AppPerfCounter.OUTPUT_CACHE_ENTRIES);
PerfCounters.IncrementCounter(AppPerfCounter.OUTPUT_CACHE_TURNOVER_RATE);
}
else {
string depKey = null;
string[] fileDeps = null;
if (dependencies != null) {
depKey = OUTPUTCACHE_KEYPREFIX_DEPENDENCIES + dependencies.GetUniqueID();
fileDeps = dependencies.GetFileDependencies();
}
OutputCacheEntry oce = Convert(rawResponse, depKey, fileDeps);
provider.Set(rawResponseKey, oce, absExp);
if (dependencies != null) {
// use Add and dispose dependencies if there's already one in the cache
Object d = HttpRuntime.CacheInternal.UtcAdd(depKey, new DependencyCacheEntry(rawResponseKey, oce.KernelCacheUrl, provider.Name),
dependencies,
absExp, Cache.NoSlidingExpiration,
CacheItemPriority.Normal, s_dependencyRemovedCallback);
if (d != null) {
dependencies.Dispose();
}
}
}
#if DBG
string cachedVaryType = (cachedVaryPutInCache) ? "CachedVary" : "";
string providerUsed = (useProvider) ? provider.Name : "CacheInternal";
Debug.Trace("OutputCache", "InsertResposne("
+ cachedVaryKey + ", "
+ cachedVaryType + ", "
+ rawResponseKey + ", CachedRawResponse, ...) -->"
+ providerUsed);
#endif
}
// insert fragment
internal static void InsertFragment(String cachedVaryKey, ControlCachedVary cachedVary,
String fragmentKey, PartialCachingCacheEntry fragment,
CacheDependency dependencies,
DateTime absExp, TimeSpan slidingExp,
String providerName) {
// if providerName is not null, find the provider in the collection.
// if providerName is null, use default provider.
// if the default provider is undefined or the fragment can't be inserted in the
// provider, insert it in the internal cache.
OutputCacheProvider provider = GetFragmentProvider(providerName);
//
// ControlCachedVary and PartialCachingCacheEntry can be serialized
//
bool useProvider = (provider != null);
if (useProvider) {
bool canUseProvider = (slidingExp == Cache.NoSlidingExpiration
&& (dependencies == null || dependencies.IsFileDependency()));
if (useProvider && !canUseProvider) {
throw new ProviderException(SR.GetString(SR.Provider_does_not_support_policy_for_fragments, providerName));
}
}
#if DBG
bool cachedVaryPutInCache = (cachedVary != null);
#endif
if (cachedVary != null) {
// Add the ControlCachedVary item so that a request will know
// which varies are needed to issue another request.
// Use the Add method so that we guarantee we only use
// a single ControlCachedVary and don't overwrite existing ones.
ControlCachedVary cachedVaryInCache;
if (!useProvider) {
cachedVaryInCache = OutputCache.UtcAdd(cachedVaryKey, cachedVary);
}
else {
cachedVaryInCache = (ControlCachedVary) provider.Add(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
if (cachedVaryInCache != null) {
if (!cachedVary.Equals(cachedVaryInCache)) {
// overwrite existing cached vary
if (!useProvider) {
HttpRuntime.CacheInternal.UtcInsert(cachedVaryKey, cachedVary);
}
else {
provider.Set(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
}
else {
cachedVary = cachedVaryInCache;
#if DBG
cachedVaryPutInCache = false;
#endif
}
}
if (!useProvider) {
AddCacheKeyToDependencies(ref dependencies, cachedVaryKey);
}
// not all caches support cache key dependencies, but we can use a "change number" to associate
// the ControlCachedVary and the PartialCachingCacheEntry
fragment._cachedVaryId = cachedVary.CachedVaryId;
}
// Now insert into the cache (use cache provider if possible, otherwise use internal cache)
if (!useProvider) {
HttpRuntime.CacheInternal.UtcInsert(fragmentKey, fragment,
dependencies,
absExp, slidingExp,
CacheItemPriority.Normal,
null);
}
else {
string depKey = null;
if (dependencies != null) {
depKey = OUTPUTCACHE_KEYPREFIX_DEPENDENCIES + dependencies.GetUniqueID();
fragment._dependenciesKey = depKey;
fragment._dependencies = dependencies.GetFileDependencies();
}
provider.Set(fragmentKey, fragment, absExp);
if (dependencies != null) {
// use Add and dispose dependencies if there's already one in the cache
Object d = HttpRuntime.CacheInternal.UtcAdd(depKey, new DependencyCacheEntry(fragmentKey, null, provider.Name),
dependencies,
absExp, Cache.NoSlidingExpiration,
CacheItemPriority.Normal, s_dependencyRemovedCallbackForFragment);
if (d != null) {
dependencies.Dispose();
}
}
}
#if DBG
string cachedVaryType = (cachedVaryPutInCache) ? "ControlCachedVary" : "";
string providerUsed = (useProvider) ? provider.Name : "CacheInternal";
Debug.Trace("OutputCache", "InsertFragment("
+ cachedVaryKey + ", "
+ cachedVaryType + ", "
+ fragmentKey + ", PartialCachingCacheEntry, ...) -->"
+ providerUsed);
#endif
}
internal static bool HasDependencyChanged(bool isFragment, string depKey, string[] fileDeps, string kernelKey, string oceKey, string providerName) {
if (depKey == null)
{
#if DBG
Debug.Trace("OutputCache", "HasDependencyChanged(" + depKey + ", ..., " + oceKey + ", ...) --> false");
#endif
return false;
}
// is the file dependency already in the in-memory cache?
if (HttpRuntime.CacheInternal.Get(depKey) != null) {
#if DBG
Debug.Trace("OutputCache", "HasDependencyChanged(" + depKey + ", ..., " + oceKey + ", ...) --> false");
#endif
return false;
}
// deserialize the file dependencies
CacheDependency dep = new CacheDependency(0, fileDeps);
int idStartIndex = OUTPUTCACHE_KEYPREFIX_DEPENDENCIES.Length;
int idLength = depKey.Length - idStartIndex;
CacheItemRemovedCallback callback = (isFragment) ? s_dependencyRemovedCallbackForFragment : s_dependencyRemovedCallback;
// have the file dependencies changed?
if (String.Compare(dep.GetUniqueID(), 0, depKey, idStartIndex, idLength, StringComparison.Ordinal) == 0) {
// file dependencies have not changed--cache them with callback to remove OutputCacheEntry if they change
HttpRuntime.CacheInternal.UtcInsert(depKey, new DependencyCacheEntry(oceKey, kernelKey, providerName), dep,
Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration,
CacheItemPriority.Normal, callback);
#if DBG
Debug.Trace("OutputCache", "HasDependencyChanged(" + depKey + ", ..., " + oceKey + ", ...) --> false, DEPENDENCY RE-INSERTED");
#endif
return false;
}
else {
// file dependencies have changed
dep.Dispose();
#if DBG
Debug.Trace("OutputCache", "HasDependencyChanged(" + depKey + ", ..., " + oceKey + ", ...) --> true, " + dep.GetUniqueID());
#endif
return true;
}
}
// insert cached vary or output cache entry
internal static void InsertResponse(String cachedVaryKey, CachedVary cachedVary,
String rawResponseKey, CachedRawResponse rawResponse,
CacheDependency dependencies,
DateTime absExp, TimeSpan slidingExp)
{
// if the provider is undefined or the fragment can't be inserted in the
// provider, insert it in the internal cache.
OutputCacheProvider provider = GetProvider(HttpContext.Current);
//
// CachedVary can be serialized.
// CachedRawResponse is not always serializable.
//
bool useProvider = (provider != null);
if (useProvider)
{
bool canUseProvider = (IsSubstBlockSerializable(rawResponse._rawResponse) &&
rawResponse._settings.IsValidationCallbackSerializable() &&
slidingExp == Cache.NoSlidingExpiration &&
(dependencies == null || dependencies.IsFileDependency()));
if (useProvider && !canUseProvider)
{
throw new ProviderException(SR.GetString(SR.Provider_does_not_support_policy_for_responses, provider.Name));
}
}
#if DBG
bool cachedVaryPutInCache = (cachedVary != null);
#endif
if (cachedVary != null)
{
/*
* Add the CachedVary item so that a request will know
* which headers are needed to issue another request.
*
* Use the Add method so that we guarantee we only use
* a single CachedVary and don't overwrite existing ones.
*/
CachedVary cachedVaryInCache;
if (!useProvider)
{
cachedVaryInCache = OutputCache.UtcAdd(cachedVaryKey, cachedVary);
}
else
{
cachedVaryInCache = (CachedVary)provider.Add(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
if (cachedVaryInCache != null)
{
if (!cachedVary.Equals(cachedVaryInCache))
{
if (!useProvider)
{
HttpRuntime.CacheInternal.UtcInsert(cachedVaryKey, cachedVary);
}
else
{
provider.Set(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
}
else
{
cachedVary = cachedVaryInCache;
#if DBG
cachedVaryPutInCache = false;
#endif
}
}
if (!useProvider)
{
AddCacheKeyToDependencies(ref dependencies, cachedVaryKey);
}
// not all caches support cache key dependencies, but we can use a "change number" to associate
// the ControlCachedVary and the PartialCachingCacheEntry
rawResponse._cachedVaryId = cachedVary.CachedVaryId;
}
// Now insert into the cache (use cache provider if possible, otherwise use internal cache)
if (!useProvider)
{
HttpRuntime.CacheInternal.UtcInsert(rawResponseKey, rawResponse,
dependencies,
absExp, slidingExp,
CacheItemPriority.Normal,
s_entryRemovedCallback);
IncrementCount();
PerfCounters.IncrementCounter(AppPerfCounter.OUTPUT_CACHE_ENTRIES);
PerfCounters.IncrementCounter(AppPerfCounter.OUTPUT_CACHE_TURNOVER_RATE);
}
else
{
string depKey = null;
string[] fileDeps = null;
if (dependencies != null)
{
depKey = OUTPUTCACHE_KEYPREFIX_DEPENDENCIES + dependencies.GetUniqueID();
fileDeps = dependencies.GetFileDependencies();
}
OutputCacheEntry oce = Convert(rawResponse, depKey, fileDeps);
provider.Set(rawResponseKey, oce, absExp);
if (dependencies != null)
{
// use Add and dispose dependencies if there's already one in the cache
Object d = HttpRuntime.CacheInternal.UtcAdd(depKey, new DependencyCacheEntry(rawResponseKey, oce.KernelCacheUrl, provider.Name),
dependencies,
absExp, Cache.NoSlidingExpiration,
CacheItemPriority.Normal, s_dependencyRemovedCallback);
if (d != null)
{
dependencies.Dispose();
}
}
}
#if DBG
string cachedVaryType = (cachedVaryPutInCache) ? "CachedVary" : "";
string providerUsed = (useProvider) ? provider.Name : "CacheInternal";
Debug.Trace("OutputCache", "InsertResposne("
+ cachedVaryKey + ", "
+ cachedVaryType + ", "
+ rawResponseKey + ", CachedRawResponse, ...) -->"
+ providerUsed);
#endif
}
// insert fragment
internal static void InsertFragment(String cachedVaryKey, ControlCachedVary cachedVary,
String fragmentKey, PartialCachingCacheEntry fragment,
CacheDependency dependencies,
DateTime absExp, TimeSpan slidingExp,
String providerName)
{
// if providerName is not null, find the provider in the collection.
// if providerName is null, use default provider.
// if the default provider is undefined or the fragment can't be inserted in the
// provider, insert it in the internal cache.
OutputCacheProvider provider = GetFragmentProvider(providerName);
//
// ControlCachedVary and PartialCachingCacheEntry can be serialized
//
bool useProvider = (provider != null);
if (useProvider)
{
bool canUseProvider = (slidingExp == Cache.NoSlidingExpiration &&
(dependencies == null || dependencies.IsFileDependency()));
if (useProvider && !canUseProvider)
{
throw new ProviderException(SR.GetString(SR.Provider_does_not_support_policy_for_fragments, providerName));
}
}
#if DBG
bool cachedVaryPutInCache = (cachedVary != null);
#endif
if (cachedVary != null)
{
// Add the ControlCachedVary item so that a request will know
// which varies are needed to issue another request.
// Use the Add method so that we guarantee we only use
// a single ControlCachedVary and don't overwrite existing ones.
ControlCachedVary cachedVaryInCache;
if (!useProvider)
{
cachedVaryInCache = OutputCache.UtcAdd(cachedVaryKey, cachedVary);
}
else
{
cachedVaryInCache = (ControlCachedVary)provider.Add(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
if (cachedVaryInCache != null)
{
if (!cachedVary.Equals(cachedVaryInCache))
{
// overwrite existing cached vary
if (!useProvider)
{
HttpRuntime.CacheInternal.UtcInsert(cachedVaryKey, cachedVary);
}
else
{
provider.Set(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
}
else
{
cachedVary = cachedVaryInCache;
#if DBG
cachedVaryPutInCache = false;
#endif
}
}
if (!useProvider)
{
AddCacheKeyToDependencies(ref dependencies, cachedVaryKey);
}
// not all caches support cache key dependencies, but we can use a "change number" to associate
// the ControlCachedVary and the PartialCachingCacheEntry
fragment._cachedVaryId = cachedVary.CachedVaryId;
}
// Now insert into the cache (use cache provider if possible, otherwise use internal cache)
if (!useProvider)
{
HttpRuntime.CacheInternal.UtcInsert(fragmentKey, fragment,
dependencies,
absExp, slidingExp,
CacheItemPriority.Normal,
null);
}
else
{
string depKey = null;
if (dependencies != null)
{
depKey = OUTPUTCACHE_KEYPREFIX_DEPENDENCIES + dependencies.GetUniqueID();
fragment._dependenciesKey = depKey;
fragment._dependencies = dependencies.GetFileDependencies();
}
provider.Set(fragmentKey, fragment, absExp);
if (dependencies != null)
{
// use Add and dispose dependencies if there's already one in the cache
Object d = HttpRuntime.CacheInternal.UtcAdd(depKey, new DependencyCacheEntry(fragmentKey, null, provider.Name),
dependencies,
absExp, Cache.NoSlidingExpiration,
CacheItemPriority.Normal, s_dependencyRemovedCallbackForFragment);
if (d != null)
{
dependencies.Dispose();
}
}
}
#if DBG
string cachedVaryType = (cachedVaryPutInCache) ? "ControlCachedVary" : "";
string providerUsed = (useProvider) ? provider.Name : "CacheInternal";
Debug.Trace("OutputCache", "InsertFragment("
+ cachedVaryKey + ", "
+ cachedVaryType + ", "
+ fragmentKey + ", PartialCachingCacheEntry, ...) -->"
+ providerUsed);
#endif
}
internal static void InsertResponse(string cachedVaryKey, CachedVary cachedVary, string rawResponseKey, CachedRawResponse rawResponse, CacheDependency dependencies, DateTime absExp, TimeSpan slidingExp)
{
OutputCacheProvider provider = GetProvider(HttpContext.Current);
bool flag = provider != null;
if (flag)
{
bool flag2 = ((IsSubstBlockSerializable(rawResponse._rawResponse) && rawResponse._settings.IsValidationCallbackSerializable()) && (slidingExp == Cache.NoSlidingExpiration)) && ((dependencies == null) || dependencies.IsFileDependency());
if (flag && !flag2)
{
throw new ProviderException(System.Web.SR.GetString("Provider_does_not_support_policy_for_responses", new object[] { provider.Name }));
}
}
if (cachedVary != null)
{
CachedVary vary;
if (!flag)
{
vary = UtcAdd(cachedVaryKey, cachedVary);
}
else
{
vary = (CachedVary)provider.Add(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
if (vary != null)
{
if (!cachedVary.Equals(vary))
{
if (!flag)
{
HttpRuntime.CacheInternal.UtcInsert(cachedVaryKey, cachedVary);
}
else
{
provider.Set(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
}
else
{
cachedVary = vary;
}
}
if (!flag)
{
AddCacheKeyToDependencies(ref dependencies, cachedVaryKey);
}
rawResponse._cachedVaryId = cachedVary.CachedVaryId;
}
if (!flag)
{
HttpRuntime.CacheInternal.UtcInsert(rawResponseKey, rawResponse, dependencies, absExp, slidingExp, CacheItemPriority.Normal, s_entryRemovedCallback);
IncrementCount();
PerfCounters.IncrementCounter(AppPerfCounter.OUTPUT_CACHE_ENTRIES);
PerfCounters.IncrementCounter(AppPerfCounter.OUTPUT_CACHE_TURNOVER_RATE);
}
else
{
string depKey = null;
string[] fileDependencies = null;
if (dependencies != null)
{
depKey = "aD" + dependencies.GetUniqueID();
fileDependencies = dependencies.GetFileDependencies();
}
OutputCacheEntry entry = Convert(rawResponse, depKey, fileDependencies);
provider.Set(rawResponseKey, entry, absExp);
if ((dependencies != null) && (HttpRuntime.CacheInternal.UtcAdd(depKey, new DependencyCacheEntry(rawResponseKey, entry.KernelCacheUrl, provider.Name), dependencies, absExp, Cache.NoSlidingExpiration, CacheItemPriority.Normal, s_dependencyRemovedCallback) != null))
{
dependencies.Dispose();
}
}
}
internal static void InsertFragment(string cachedVaryKey, ControlCachedVary cachedVary, string fragmentKey, PartialCachingCacheEntry fragment, CacheDependency dependencies, DateTime absExp, TimeSpan slidingExp, string providerName)
{
OutputCacheProvider fragmentProvider = GetFragmentProvider(providerName);
bool flag = fragmentProvider != null;
if (flag)
{
bool flag2 = (slidingExp == Cache.NoSlidingExpiration) && ((dependencies == null) || dependencies.IsFileDependency());
if (flag && !flag2)
{
throw new ProviderException(System.Web.SR.GetString("Provider_does_not_support_policy_for_fragments", new object[] { providerName }));
}
}
if (cachedVary != null)
{
ControlCachedVary vary;
if (!flag)
{
vary = UtcAdd(cachedVaryKey, cachedVary);
}
else
{
vary = (ControlCachedVary)fragmentProvider.Add(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
if (vary != null)
{
if (!cachedVary.Equals(vary))
{
if (!flag)
{
HttpRuntime.CacheInternal.UtcInsert(cachedVaryKey, cachedVary);
}
else
{
fragmentProvider.Set(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
}
else
{
cachedVary = vary;
}
}
if (!flag)
{
AddCacheKeyToDependencies(ref dependencies, cachedVaryKey);
}
fragment._cachedVaryId = cachedVary.CachedVaryId;
}
if (!flag)
{
HttpRuntime.CacheInternal.UtcInsert(fragmentKey, fragment, dependencies, absExp, slidingExp, CacheItemPriority.Normal, null);
}
else
{
string key = null;
if (dependencies != null)
{
key = "aD" + dependencies.GetUniqueID();
fragment._dependenciesKey = key;
fragment._dependencies = dependencies.GetFileDependencies();
}
fragmentProvider.Set(fragmentKey, fragment, absExp);
if ((dependencies != null) && (HttpRuntime.CacheInternal.UtcAdd(key, new DependencyCacheEntry(fragmentKey, null, fragmentProvider.Name), dependencies, absExp, Cache.NoSlidingExpiration, CacheItemPriority.Normal, s_dependencyRemovedCallbackForFragment) != null))
{
dependencies.Dispose();
}
}
}
internal void OnLeave(object source, EventArgs eventArgs)
{
HttpApplication application = (HttpApplication)source;
HttpContext context = application.Context;
HttpRequest request = context.Request;
HttpResponse response = context.Response;
HttpCachePolicy cache = null;
bool flag = false;
if (response.HasCachePolicy)
{
cache = response.Cache;
if (((cache.IsModified() && (response.Cookies.Count <= 0)) && (response.StatusCode == 200)) && (((request.HttpVerb == HttpVerb.GET) || (request.HttpVerb == HttpVerb.POST)) && response.IsBuffered()))
{
bool flag3 = false;
if ((cache.GetCacheability() == HttpCacheability.Public) && context.RequestRequiresAuthorization())
{
cache.SetCacheability(HttpCacheability.Private);
flag3 = true;
}
if (((((cache.GetCacheability() == HttpCacheability.Public) || (cache.GetCacheability() == HttpCacheability.ServerAndPrivate)) || ((cache.GetCacheability() == HttpCacheability.Server) || flag3)) && (!cache.GetNoServerCaching() && (cache.HasExpirationPolicy() || cache.HasValidationPolicy()))) && ((!cache.VaryByHeaders.GetVaryByUnspecifiedParameters() && (cache.VaryByParams.AcceptsParams() || ((request.HttpVerb != HttpVerb.POST) && !request.HasQueryString))) && (!cache.VaryByContentEncodings.IsModified() || cache.VaryByContentEncodings.IsCacheableEncoding(context.Response.GetHttpHeaderContentEncoding()))))
{
flag = true;
}
}
}
if (flag)
{
CachedVary vary;
string str;
string[] varyByParams;
this.RecordCacheMiss();
HttpCachePolicySettings currentSettings = cache.GetCurrentSettings(response);
string[] varyByContentEncodings = currentSettings.VaryByContentEncodings;
string[] varyByHeaders = currentSettings.VaryByHeaders;
if (currentSettings.IgnoreParams)
{
varyByParams = null;
}
else
{
varyByParams = currentSettings.VaryByParams;
}
if (this._key == null)
{
this._key = this.CreateOutputCachedItemKey(context, null);
}
if (((varyByContentEncodings == null) && (varyByHeaders == null)) && ((varyByParams == null) && (currentSettings.VaryByCustom == null)))
{
str = this._key;
vary = null;
}
else
{
int num;
int length;
if (varyByHeaders != null)
{
num = 0;
length = varyByHeaders.Length;
while (num < length)
{
varyByHeaders[num] = "HTTP_" + CultureInfo.InvariantCulture.TextInfo.ToUpper(varyByHeaders[num].Replace('-', '_'));
num++;
}
}
bool varyByAllParams = false;
if (varyByParams != null)
{
varyByAllParams = (varyByParams.Length == 1) && (varyByParams[0] == "*");
if (varyByAllParams)
{
varyByParams = null;
}
else
{
num = 0;
length = varyByParams.Length;
while (num < length)
{
varyByParams[num] = CultureInfo.InvariantCulture.TextInfo.ToLower(varyByParams[num]);
num++;
}
}
}
vary = new CachedVary(varyByContentEncodings, varyByHeaders, varyByParams, varyByAllParams, currentSettings.VaryByCustom);
str = this.CreateOutputCachedItemKey(context, vary);
if (str == null)
{
return;
}
if (!response.IsBuffered())
{
return;
}
}
DateTime noAbsoluteExpiration = Cache.NoAbsoluteExpiration;
TimeSpan noSlidingExpiration = Cache.NoSlidingExpiration;
if (currentSettings.SlidingExpiration)
{
noSlidingExpiration = currentSettings.SlidingDelta;
}
else if (currentSettings.IsMaxAgeSet)
{
DateTime time2 = (currentSettings.UtcTimestampCreated != DateTime.MinValue) ? currentSettings.UtcTimestampCreated : context.UtcTimestamp;
noAbsoluteExpiration = time2 + currentSettings.MaxAge;
}
else if (currentSettings.IsExpiresSet)
{
noAbsoluteExpiration = currentSettings.UtcExpires;
}
if (noAbsoluteExpiration > DateTime.UtcNow)
{
HttpRawResponse snapshot = response.GetSnapshot();
string kernelCacheUrl = response.SetupKernelCaching(null);
Guid cachedVaryId = (vary != null) ? vary.CachedVaryId : Guid.Empty;
CachedRawResponse rawResponse = new CachedRawResponse(snapshot, currentSettings, kernelCacheUrl, cachedVaryId);
CacheDependency dependencies = response.CreateCacheDependencyForResponse();
try
{
OutputCache.InsertResponse(this._key, vary, str, rawResponse, dependencies, noAbsoluteExpiration, noSlidingExpiration);
}
catch
{
if (dependencies != null)
{
dependencies.Dispose();
}
throw;
}
}
this._key = null;
}
}
internal static void InsertResponse(string cachedVaryKey, CachedVary cachedVary, string rawResponseKey, CachedRawResponse rawResponse, CacheDependency dependencies, DateTime absExp, TimeSpan slidingExp)
{
OutputCacheProvider provider = GetProvider(HttpContext.Current);
bool flag = provider != null;
if (flag)
{
bool flag2 = ((IsSubstBlockSerializable(rawResponse._rawResponse) && rawResponse._settings.IsValidationCallbackSerializable()) && (slidingExp == Cache.NoSlidingExpiration)) && ((dependencies == null) || dependencies.IsFileDependency());
if (flag && !flag2)
{
throw new ProviderException(System.Web.SR.GetString("Provider_does_not_support_policy_for_responses", new object[] { provider.Name }));
}
}
if (cachedVary != null)
{
CachedVary vary;
if (!flag)
{
vary = UtcAdd(cachedVaryKey, cachedVary);
}
else
{
vary = (CachedVary) provider.Add(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
if (vary != null)
{
if (!cachedVary.Equals(vary))
{
if (!flag)
{
HttpRuntime.CacheInternal.UtcInsert(cachedVaryKey, cachedVary);
}
else
{
provider.Set(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
}
else
{
cachedVary = vary;
}
}
if (!flag)
{
AddCacheKeyToDependencies(ref dependencies, cachedVaryKey);
}
rawResponse._cachedVaryId = cachedVary.CachedVaryId;
}
if (!flag)
{
HttpRuntime.CacheInternal.UtcInsert(rawResponseKey, rawResponse, dependencies, absExp, slidingExp, CacheItemPriority.Normal, s_entryRemovedCallback);
IncrementCount();
PerfCounters.IncrementCounter(AppPerfCounter.OUTPUT_CACHE_ENTRIES);
PerfCounters.IncrementCounter(AppPerfCounter.OUTPUT_CACHE_TURNOVER_RATE);
}
else
{
string depKey = null;
string[] fileDependencies = null;
if (dependencies != null)
{
depKey = "aD" + dependencies.GetUniqueID();
fileDependencies = dependencies.GetFileDependencies();
}
OutputCacheEntry entry = Convert(rawResponse, depKey, fileDependencies);
provider.Set(rawResponseKey, entry, absExp);
if ((dependencies != null) && (HttpRuntime.CacheInternal.UtcAdd(depKey, new DependencyCacheEntry(rawResponseKey, entry.KernelCacheUrl, provider.Name), dependencies, absExp, Cache.NoSlidingExpiration, CacheItemPriority.Normal, s_dependencyRemovedCallback) != null))
{
dependencies.Dispose();
}
}
}
internal static void InsertFragment(string cachedVaryKey, ControlCachedVary cachedVary, string fragmentKey, PartialCachingCacheEntry fragment, CacheDependency dependencies, DateTime absExp, TimeSpan slidingExp, string providerName)
{
OutputCacheProvider fragmentProvider = GetFragmentProvider(providerName);
bool flag = fragmentProvider != null;
if (flag)
{
bool flag2 = (slidingExp == Cache.NoSlidingExpiration) && ((dependencies == null) || dependencies.IsFileDependency());
if (flag && !flag2)
{
throw new ProviderException(System.Web.SR.GetString("Provider_does_not_support_policy_for_fragments", new object[] { providerName }));
}
}
if (cachedVary != null)
{
ControlCachedVary vary;
if (!flag)
{
vary = UtcAdd(cachedVaryKey, cachedVary);
}
else
{
vary = (ControlCachedVary) fragmentProvider.Add(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
if (vary != null)
{
if (!cachedVary.Equals(vary))
{
if (!flag)
{
HttpRuntime.CacheInternal.UtcInsert(cachedVaryKey, cachedVary);
}
else
{
fragmentProvider.Set(cachedVaryKey, cachedVary, Cache.NoAbsoluteExpiration);
}
}
else
{
cachedVary = vary;
}
}
if (!flag)
{
AddCacheKeyToDependencies(ref dependencies, cachedVaryKey);
}
fragment._cachedVaryId = cachedVary.CachedVaryId;
}
if (!flag)
{
HttpRuntime.CacheInternal.UtcInsert(fragmentKey, fragment, dependencies, absExp, slidingExp, CacheItemPriority.Normal, null);
}
else
{
string key = null;
if (dependencies != null)
{
key = "aD" + dependencies.GetUniqueID();
fragment._dependenciesKey = key;
fragment._dependencies = dependencies.GetFileDependencies();
}
fragmentProvider.Set(fragmentKey, fragment, absExp);
if ((dependencies != null) && (HttpRuntime.CacheInternal.UtcAdd(key, new DependencyCacheEntry(fragmentKey, null, fragmentProvider.Name), dependencies, absExp, Cache.NoSlidingExpiration, CacheItemPriority.Normal, s_dependencyRemovedCallbackForFragment) != null))
{
dependencies.Dispose();
}
}
}
internal static bool HasDependencyChanged(bool isFragment, string depKey, string[] fileDeps, string kernelKey, string oceKey, string providerName)
{
if (depKey == null)
{
return false;
}
if (HttpRuntime.CacheInternal.Get(depKey) != null)
{
return false;
}
CacheDependency dependencies = new CacheDependency(0, fileDeps);
int length = "aD".Length;
int num2 = depKey.Length - length;
CacheItemRemovedCallback onRemoveCallback = isFragment ? s_dependencyRemovedCallbackForFragment : s_dependencyRemovedCallback;
if (string.Compare(dependencies.GetUniqueID(), 0, depKey, length, num2, StringComparison.Ordinal) == 0)
{
HttpRuntime.CacheInternal.UtcInsert(depKey, new DependencyCacheEntry(oceKey, kernelKey, providerName), dependencies, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration, CacheItemPriority.Normal, onRemoveCallback);
return false;
}
dependencies.Dispose();
return true;
}
