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Imported Upstream version 5.4.0.167

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Former-commit-id: 5624ac747d633e885131e8349322922b6a59baaa
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2017-08-21 15:34:15 +00:00
parent e49d6f06c0
commit 536cd135cc
12856 changed files with 563812 additions and 223249 deletions
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36
mcs/class/referencesource/System.Web/State/StateRuntime.cs
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@ -217,6 +217,7 @@ namespace System.Web.SessionState {
internal IntPtr _stateItem; // The pointer to the native memory that points to the psi
internal bool _locked;
internal DateTime _utcLockDate;
internal TimeSpan _slidingExpiration;
internal int _lockCookie;
internal int _extraFlags;
#pragma warning disable 0649
@ -228,6 +229,7 @@ namespace System.Web.SessionState {
IntPtr stateItem,
bool locked,
DateTime utcLockDate,
TimeSpan slidingExpiration,
int lockCookie,
int extraFlags) {
@ -235,6 +237,7 @@ namespace System.Web.SessionState {
_stateItem = stateItem;
_locked = locked;
_utcLockDate = utcLockDate;
_slidingExpiration = slidingExpiration;
_lockCookie = lockCookie;
_extraFlags = extraFlags;
}
@ -413,19 +416,17 @@ namespace System.Web.SessionState {
string exclusiveAccess;
string key;
CachedContent content;
CacheEntry entry;
int lockCookie;
int timeout;
key = CreateKey(request);
entry = (CacheEntry) HttpRuntime.CacheInternal.Get(key, CacheGetOptions.ReturnCacheEntry);
if (entry == null) {
content = (CachedContent) HttpRuntime.Cache.InternalCache.Get(key);
if (content == null) {
ReportNotFound(context);
return;
}
exclusiveAccess = request.Headers[StateHeaders.EXCLUSIVE_NAME];
content = (CachedContent) entry.Value;
content._spinLock.AcquireWriterLock();
try {
if (content._content == null) {
@ -483,7 +484,7 @@ namespace System.Web.SessionState {
response.AppendHeader(StateHeaders.LOCKCOOKIE_NAME_RAW, (content._lockCookie).ToString(CultureInfo.InvariantCulture));
}
timeout = (int) (entry.SlidingExpiration.Ticks / TimeSpan.TicksPerMinute);
timeout = (int)(content._slidingExpiration.Ticks / TimeSpan.TicksPerMinute);
response.AppendHeader(StateHeaders.TIMEOUT_NAME_RAW, (timeout).ToString(CultureInfo.InvariantCulture));
responseStream = response.OutputStream;
buf = content._content;
@ -520,7 +521,7 @@ namespace System.Web.SessionState {
int lockCookie;
int lockCookieNew = 1;
IntPtr stateItem;
CacheInternal cacheInternal = HttpRuntime.CacheInternal;
CacheStoreProvider cacheInternal = HttpRuntime.Cache.InternalCache;
/* create the content */
requestStream = request.InputStream;
@ -561,8 +562,8 @@ namespace System.Web.SessionState {
/* lookup current value */
key = CreateKey(request);
CacheEntry entry = (CacheEntry) cacheInternal.Get(key, CacheGetOptions.ReturnCacheEntry);
if (entry != null) {
contentCurrent = (CachedContent) cacheInternal.Get(key);
if (contentCurrent != null) {
// DevDivBugs 146875: Expired Session State race condition
// We make sure we do not overwrite an already existing item with an uninitialized item.
if (((int)SessionStateItemFlags.Uninitialized & extraFlags) == 1) {
@ -573,7 +574,6 @@ namespace System.Web.SessionState {
return stateItem;
}
contentCurrent = (CachedContent) entry.Value;
contentCurrent._spinLock.AcquireWriterLock();
try {
if (contentCurrent._content == null) {
@ -587,7 +587,7 @@ namespace System.Web.SessionState {
return stateItem;
}
if (entry.SlidingExpiration == timeout && contentCurrent._content != null) {
if (contentCurrent._slidingExpiration == timeout && contentCurrent._content != null) {
/* delete the old state item */
IntPtr stateItemOld = contentCurrent._stateItem;
@ -619,12 +619,14 @@ namespace System.Web.SessionState {
}
}
content = new CachedContent(buf, stateItem, false, DateTime.MinValue, lockCookieNew, extraFlags);
cacheInternal.UtcInsert(
key, content, null, Cache.NoAbsoluteExpiration, timeout,
CacheItemPriority.NotRemovable, _removedHandler);
content = new CachedContent(buf, stateItem, false, DateTime.MinValue, timeout, lockCookieNew, extraFlags);
cacheInternal.Insert(key, content, new CacheInsertOptions() {
SlidingExpiration = timeout,
Priority = CacheItemPriority.NotRemovable,
OnRemovedCallback = _removedHandler
});
if (entry == null) {
if (contentCurrent == null) {
IncrementStateServiceCounter(StateServicePerfCounter.STATE_SERVICE_SESSIONS_TOTAL);
IncrementStateServiceCounter(StateServicePerfCounter.STATE_SERVICE_SESSIONS_ACTIVE);
}
@ -634,7 +636,7 @@ namespace System.Web.SessionState {
internal /*public*/ void DoDelete(HttpContext context) {
string key = CreateKey(context.Request);
CacheInternal cacheInternal = HttpRuntime.CacheInternal;
CacheStoreProvider cacheInternal = HttpRuntime.Cache.InternalCache;
CachedContent content = (CachedContent) cacheInternal.Get(key);
/* If the item isn't there, we probably took too long to run. */
@ -680,7 +682,7 @@ namespace System.Web.SessionState {
Object item;
key = CreateKey(context.Request);
item = HttpRuntime.CacheInternal.Get(key);
item = HttpRuntime.Cache.InternalCache.Get(key);
if (item == null) {
ReportNotFound(context);
}