/*
* Shutdown all dependency monitoring and firing of OnChanged notification.
*/
internal void DisposeInternal()
{
if (SetBit(DISPOSED))
{
if (_filenames != null)
{
FileChangesMonitor fmon = HttpRuntime.FileChangesMonitor;
string oneFilename = _filenames as string;
if (oneFilename != null)
{
fmon.StopMonitoringPath(oneFilename, this);
}
else
{
string[] filenames = (string[])_filenames;
foreach (string filename in filenames)
{
// ensure that we handle partially contructed
// objects by checking filename for null
if (filename != null)
{
fmon.StopMonitoringPath(filename, this);
}
}
}
}
if (_entries != null)
{
CacheEntry oneEntry = _entries as CacheEntry;
if (oneEntry != null)
{
oneEntry.RemoveCacheDependencyNotify(this);
}
else
{
CacheEntry[] entries = (CacheEntry[])_entries;
foreach (CacheEntry entry in entries)
{
// ensure that we handle partially contructed
// objects by checking entry for null
if (entry != null)
{
entry.RemoveCacheDependencyNotify(this);
}
}
}
}
_entryNotify = null;
}
}
private void DisposeOurself()
{
object obj2 = this._depFileInfos;
object obj3 = this._entries;
this._objNotify = null;
this._depFileInfos = null;
this._entries = null;
if (obj2 != null)
{
FileChangesMonitor fileChangesMonitor = HttpRuntime.FileChangesMonitor;
DepFileInfo info = obj2 as DepFileInfo;
if (info != null)
{
fileChangesMonitor.StopMonitoringPath(info._filename, this);
}
else
{
DepFileInfo[] infoArray = (DepFileInfo[])obj2;
foreach (DepFileInfo info2 in infoArray)
{
string alias = info2._filename;
if (alias != null)
{
fileChangesMonitor.StopMonitoringPath(alias, this);
}
}
}
}
if (obj3 != null)
{
CacheEntry entry = obj3 as CacheEntry;
if (entry != null)
{
entry.RemoveCacheDependencyNotify(this);
}
else
{
CacheEntry[] entryArray = (CacheEntry[])obj3;
foreach (CacheEntry entry2 in entryArray)
{
if (entry2 != null)
{
entry2.RemoveCacheDependencyNotify(this);
}
}
}
}
}
void DisposeOurself()
{
// guarantee that we execute only once if an exception
// is thrown from this function by nulling fields before
// we access them
object l_depFileInfos = _depFileInfos;
object l_entries = _entries;
_objNotify = null;
_depFileInfos = null;
_entries = null;
// stop monitoring files
if (l_depFileInfos != null)
{
FileChangesMonitor fmon = HttpRuntime.FileChangesMonitor;
DepFileInfo oneDepFileInfo = l_depFileInfos as DepFileInfo;
if (oneDepFileInfo != null)
{
fmon.StopMonitoringPath(oneDepFileInfo._filename, this);
}
else
{
DepFileInfo[] depFileInfos = (DepFileInfo[])l_depFileInfos;
foreach (DepFileInfo depFileInfo in depFileInfos)
{
// ensure that we handle partially contructed
// objects by checking filename for null
string filename = depFileInfo._filename;
if (filename != null)
{
fmon.StopMonitoringPath(filename, this);
}
}
}
}
// stop monitoring cache items
if (l_entries != null)
{
DepCacheInfo oneEntry = l_entries as DepCacheInfo;
if (oneEntry != null)
{
oneEntry._cacheStore.RemoveDependent(oneEntry._key, this);
}
else
{
DepCacheInfo[] entries = (DepCacheInfo[])l_entries;
foreach (DepCacheInfo entry in entries)
{
// ensure that we handle partially contructed
// objects by checking entry for null
if (entry != null)
{
entry._cacheStore.RemoveDependent(entry._key, this);
}
}
}
}
#if USE_MEMORY_CACHE
if (_fileChangeMonitor != null)
{
_fileChangeMonitor.Dispose();
}
if (_entryChangeMonitor != null)
{
_entryChangeMonitor.Dispose();
}
#endif
}
void Init(bool isPublic, string[] filenamesArg, string[] cachekeysArg, CacheDependency dependency, DateTime utcStart)
{
#if USE_MEMORY_CACHE
if (CacheInternal.UseMemoryCache)
{
InitForMemoryCache(isPublic, filenamesArg, cachekeysArg, dependency, utcStart);
return;
}
#endif
DepFileInfo[] depFileInfos = s_depFileInfosEmpty;
DepCacheInfo[] depEntries = s_entriesEmpty;
string [] filenames, cachekeys;
CacheStoreProvider cache;
_bits = new SafeBitVector32(0);
// copy array argument contents so they can't be changed beneath us
if (filenamesArg != null)
{
filenames = (string [])filenamesArg.Clone();
}
else
{
filenames = null;
}
if (cachekeysArg != null)
{
cachekeys = (string [])cachekeysArg.Clone();
}
else
{
cachekeys = null;
}
_utcLastModified = DateTime.MinValue;
try {
// validate filenames array
if (filenames == null)
{
filenames = s_stringsEmpty;
}
else
{
foreach (string f in filenames)
{
if (f == null)
{
throw new ArgumentNullException("filenamesArg");
}
// demand PathDiscovery if public
if (isPublic)
{
InternalSecurityPermissions.PathDiscovery(f).Demand();
}
}
}
if (cachekeys == null)
{
cachekeys = s_stringsEmpty;
}
else
{
// validate cachekeys array
foreach (string k in cachekeys)
{
if (k == null)
{
throw new ArgumentNullException("cachekeysArg");
}
}
}
// copy all parts of another dependency if provided
if (dependency == null)
{
dependency = s_dependencyEmpty;
}
else
{
if (dependency.GetType() != s_dependencyEmpty.GetType())
{
throw new ArgumentException(SR.GetString(SR.Invalid_Dependency_Type));
}
// Copy the parts of the dependency we need before
// we reference them, as the dependency can change
// underneath us.
object d_depFileInfos = dependency._depFileInfos;
object d_entries = dependency._entries;
DateTime d_lastModified = dependency._utcLastModified;
// if the dependency we're copying has changed, we're done
if (dependency._bits[CHANGED])
{
_bits[CHANGED] = true;
// There is nothing to dispose because we haven't started
// monitoring anything yet. But we call DisposeInternal in
// order to set the WANTS_DISPOSE bit.
DisposeInternal();
return;
}
// copy depFileInfos
if (d_depFileInfos != null)
{
if (d_depFileInfos is DepFileInfo)
{
depFileInfos = new DepFileInfo[1] {
(DepFileInfo)d_depFileInfos
};
}
else
{
depFileInfos = (DepFileInfo[])(d_depFileInfos);
}
// verify that the object was fully constructed
// and that we have permission to discover the file
foreach (DepFileInfo depFileInfo in depFileInfos)
{
string f = depFileInfo._filename;
if (f == null)
{
_bits[CHANGED] = true;
// There is nothing to dispose because we haven't started
// monitoring anything yet. But we call DisposeInternal in
// order to set the WANTS_DISPOSE bit.
DisposeInternal();
return;
}
// demand PathDiscovery if public
if (isPublic)
{
InternalSecurityPermissions.PathDiscovery(f).Demand();
}
}
}
// copy cache entries
if (d_entries != null)
{
if (d_entries is DepCacheInfo)
{
depEntries = new DepCacheInfo[1] {
(DepCacheInfo)(d_entries)
};
}
else
{
depEntries = (DepCacheInfo[])(d_entries);
// verify that the object was fully constructed
foreach (DepCacheInfo entry in depEntries)
{
if (entry == null)
{
_bits[CHANGED] = true;
// There is nothing to dispose because we haven't started
// monitoring anything yet. But we call DisposeInternal in
// order to set the WANTS_DISPOSE bit.
DisposeInternal();
return;
}
}
}
}
_utcLastModified = d_lastModified;
}
// Monitor files for changes
int lenMyDepFileInfos = depFileInfos.Length + filenames.Length;
if (lenMyDepFileInfos > 0)
{
DepFileInfo[] myDepFileInfos = new DepFileInfo[lenMyDepFileInfos];
FileChangeEventHandler handler = new FileChangeEventHandler(this.FileChange);
FileChangesMonitor fmon = HttpRuntime.FileChangesMonitor;
int i;
for (i = 0; i < lenMyDepFileInfos; i++)
{
myDepFileInfos[i] = new DepFileInfo();
}
// monitor files from the existing dependency
// note that we don't check for start times in the existing dependency
i = 0;
foreach (DepFileInfo depFileInfo in depFileInfos)
{
string f = depFileInfo._filename;
fmon.StartMonitoringPath(f, handler, out myDepFileInfos[i]._fad);
myDepFileInfos[i]._filename = f;
i++;
}
// monitor new files
DateTime utcNow = DateTime.MinValue;
foreach (string f in filenames)
{
DateTime utcLastWrite = fmon.StartMonitoringPath(f, handler, out myDepFileInfos[i]._fad);
myDepFileInfos[i]._filename = f;
i++;
if (utcLastWrite > _utcLastModified)
{
_utcLastModified = utcLastWrite;
}
// check if file has changed since the start time
if (utcStart < DateTime.MaxValue)
{
if (utcNow == DateTime.MinValue)
{
utcNow = DateTime.UtcNow;
}
Debug.Trace("CacheDependencyInit", "file=" + f + "; utcStart=" + utcStart + "; utcLastWrite=" + utcLastWrite);
if (utcLastWrite >= utcStart &&
!(utcLastWrite - utcNow > FUTURE_FILETIME_BUFFER)) // See VSWhidbey 400917
{
Debug.Trace("CacheDependencyInit", "changes occurred since start time for file " + f);
_bits[CHANGED] = true;
break;
}
}
}
if (myDepFileInfos.Length == 1)
{
_depFileInfos = myDepFileInfos[0];
}
else
{
_depFileInfos = myDepFileInfos;
}
}
// Monitor other cache entries for changes
int lenMyEntries = depEntries.Length + cachekeys.Length;
DateTime lastUpdated;
if (lenMyEntries > 0 && !_bits[CHANGED])
{
DepCacheInfo[] myEntries = new DepCacheInfo[lenMyEntries];
// Monitor entries from the existing cache dependency
int i = 0;
foreach (DepCacheInfo entry in depEntries)
{
entry._cacheStore.AddDependent(entry._key, this, out lastUpdated);
myEntries[i++] = entry;
}
// Monitor new entries specified for this depenedency
// Entries must be added to cache, and created before the startTime
cache = isPublic ? HttpRuntime.Cache.ObjectCache : HttpRuntime.Cache.InternalCache;
foreach (string k in cachekeys)
{
if (cache.AddDependent(k, this, out lastUpdated))
{
myEntries[i++] = new DepCacheInfo()
{
_cacheStore = cache, _key = k
};
if (lastUpdated > _utcLastModified)
{
_utcLastModified = lastUpdated;
}
if (lastUpdated > utcStart) // Cache item has been updated since start, consider changed
{
#if DBG
Debug.Trace("CacheDependencyInit", "Changes occurred to entry since start time:" + k);
#endif
_bits[CHANGED] = true;
break;
}
}
else
{
Debug.Trace("CacheDependencyInit", "Cache item not found to create dependency on:" + k);
_bits[CHANGED] = true;
break;
}
}
if (myEntries.Length == 1)
{
_entries = myEntries[0];
}
else
{
_entries = myEntries;
}
}
_bits[BASE_INIT] = true;
if (dependency._bits[CHANGED])
{
_bits[CHANGED] = true;
}
if (_bits[WANTS_DISPOSE] || _bits[CHANGED])
{
DisposeInternal();
}
Debug.Assert(_objNotify == null, "_objNotify == null");
}
catch {
// derived constructor will not execute due to the throw,
// so we just force a dispose on ourselves
_bits[BASE_INIT] = true;
DisposeInternal();
throw;
}
finally {
InitUniqueID();
}
}
private void Init(bool isPublic, string[] filenamesArg, string[] cachekeysArg, CacheDependency dependency, DateTime utcStart)
{
string[] strArray;
string[] strArray2;
DepFileInfo[] infoArray = s_depFileInfosEmpty;
CacheEntry[] entryArray = s_entriesEmpty;
this._bits = new SafeBitVector32(0);
if (filenamesArg != null)
{
strArray = (string[])filenamesArg.Clone();
}
else
{
strArray = null;
}
if (cachekeysArg != null)
{
strArray2 = (string[])cachekeysArg.Clone();
}
else
{
strArray2 = null;
}
this._utcLastModified = DateTime.MinValue;
try
{
if (strArray == null)
{
strArray = s_stringsEmpty;
}
else
{
foreach (string str in strArray)
{
if (str == null)
{
throw new ArgumentNullException("filenamesArg");
}
if (isPublic)
{
InternalSecurityPermissions.PathDiscovery(str).Demand();
}
}
}
if (strArray2 == null)
{
strArray2 = s_stringsEmpty;
}
else
{
string[] strArray4 = strArray2;
for (int i = 0; i < strArray4.Length; i++)
{
if (strArray4[i] == null)
{
throw new ArgumentNullException("cachekeysArg");
}
}
}
if (dependency == null)
{
dependency = s_dependencyEmpty;
}
else
{
if (dependency.GetType() != s_dependencyEmpty.GetType())
{
throw new ArgumentException(System.Web.SR.GetString("Invalid_Dependency_Type"));
}
object obj2 = dependency._depFileInfos;
object obj3 = dependency._entries;
DateTime time = dependency._utcLastModified;
if (dependency._bits[4])
{
this._bits[4] = true;
this.DisposeInternal();
return;
}
if (obj2 != null)
{
if (obj2 is DepFileInfo)
{
infoArray = new DepFileInfo[] { (DepFileInfo)obj2 };
}
else
{
infoArray = (DepFileInfo[])obj2;
}
foreach (DepFileInfo info in infoArray)
{
string path = info._filename;
if (path == null)
{
this._bits[4] = true;
this.DisposeInternal();
return;
}
if (isPublic)
{
InternalSecurityPermissions.PathDiscovery(path).Demand();
}
}
}
if (obj3 != null)
{
if (obj3 is CacheEntry)
{
entryArray = new CacheEntry[] { (CacheEntry)obj3 };
}
else
{
entryArray = (CacheEntry[])obj3;
CacheEntry[] entryArray4 = entryArray;
for (int j = 0; j < entryArray4.Length; j++)
{
if (entryArray4[j] == null)
{
this._bits[4] = true;
this.DisposeInternal();
return;
}
}
}
}
this._utcLastModified = time;
}
int num = infoArray.Length + strArray.Length;
if (num > 0)
{
int num2;
DepFileInfo[] infoArray2 = new DepFileInfo[num];
FileChangeEventHandler callback = new FileChangeEventHandler(this.FileChange);
FileChangesMonitor fileChangesMonitor = HttpRuntime.FileChangesMonitor;
for (num2 = 0; num2 < num; num2++)
{
infoArray2[num2] = new DepFileInfo();
}
num2 = 0;
foreach (DepFileInfo info2 in infoArray)
{
string alias = info2._filename;
fileChangesMonitor.StartMonitoringPath(alias, callback, out infoArray2[num2]._fad);
infoArray2[num2]._filename = alias;
num2++;
}
DateTime minValue = DateTime.MinValue;
foreach (string str5 in strArray)
{
DateTime time3 = fileChangesMonitor.StartMonitoringPath(str5, callback, out infoArray2[num2]._fad);
infoArray2[num2]._filename = str5;
num2++;
if (time3 > this._utcLastModified)
{
this._utcLastModified = time3;
}
if (utcStart < DateTime.MaxValue)
{
if (minValue == DateTime.MinValue)
{
minValue = DateTime.UtcNow;
}
if ((time3 >= utcStart) && ((time3 - minValue) <= FUTURE_FILETIME_BUFFER))
{
this._bits[4] = true;
break;
}
}
}
if (infoArray2.Length == 1)
{
this._depFileInfos = infoArray2[0];
}
else
{
this._depFileInfos = infoArray2;
}
}
int num3 = entryArray.Length + strArray2.Length;
if ((num3 > 0) && !this._bits[4])
{
CacheEntry[] entryArray2 = new CacheEntry[num3];
int num4 = 0;
foreach (CacheEntry entry2 in entryArray)
{
entry2.AddCacheDependencyNotify(this);
entryArray2[num4++] = entry2;
}
CacheInternal cacheInternal = HttpRuntime.CacheInternal;
foreach (string str6 in strArray2)
{
CacheEntry entry3 = (CacheEntry)cacheInternal.DoGet(isPublic, str6, CacheGetOptions.ReturnCacheEntry);
if (entry3 != null)
{
entry3.AddCacheDependencyNotify(this);
entryArray2[num4++] = entry3;
if (entry3.UtcCreated > this._utcLastModified)
{
this._utcLastModified = entry3.UtcCreated;
}
if ((entry3.State == CacheEntry.EntryState.AddedToCache) && (entry3.UtcCreated <= utcStart))
{
continue;
}
this._bits[4] = true;
}
else
{
this._bits[4] = true;
}
break;
}
if (entryArray2.Length == 1)
{
this._entries = entryArray2[0];
}
else
{
this._entries = entryArray2;
}
}
this._bits[1] = true;
if (dependency._bits[4])
{
this._bits[4] = true;
}
if (this._bits[0x10] || this._bits[4])
{
this.DisposeInternal();
}
}
catch
{
this._bits[1] = true;
this.DisposeInternal();
throw;
}
finally
{
this.InitUniqueID();
}
}
void Init(bool isPublic, bool isSensitive, string[] filenamesArg, string[] cachekeysArg, CacheDependency dependency, DateTime utcStart)
{
string[] depFilenames = s_stringsEmpty;
CacheEntry[] depEntries = s_entriesEmpty;
string [] filenames, cachekeys;
CacheInternal cacheInternal;
Debug.Assert(_bits == 0, "_bits == 0");
if (isSensitive)
{
_bits = SENSITIVE;
}
if (filenamesArg != null)
{
filenames = (string [])filenamesArg.Clone();
}
else
{
filenames = null;
}
if (cachekeysArg != null)
{
cachekeys = (string [])cachekeysArg.Clone();
}
else
{
cachekeys = null;
}
_utcInitTime = DateTime.UtcNow;
try {
if (filenames != null)
{
foreach (string f in filenames)
{
if (f == null)
{
throw new ArgumentNullException("filenames");
}
if (isPublic)
{
InternalSecurityPermissions.PathDiscovery(f).Demand();
}
}
}
else
{
filenames = s_stringsEmpty;
}
if (cachekeys != null)
{
foreach (string k in cachekeys)
{
if (k == null)
{
throw new ArgumentNullException("cachekeys");
}
}
}
else
{
cachekeys = s_stringsEmpty;
}
if (dependency != null)
{
if ((dependency._bits & CHANGED) != 0)
{
SetBit(CHANGED);
return;
}
if (dependency._filenames != null)
{
if (dependency._filenames is string)
{
depFilenames = new string[1] {
(string)dependency._filenames
};
}
else
{
depFilenames = (string[])(dependency._filenames);
}
}
if (dependency._entries != null)
{
if (dependency._entries is CacheEntry)
{
depEntries = new CacheEntry[1] {
(CacheEntry)(dependency._entries)
};
}
else
{
depEntries = (CacheEntry[])(dependency._entries);
}
}
}
else
{
dependency = s_dependencyEmpty;
}
int lenMyFilenames = depFilenames.Length + filenames.Length;
if (lenMyFilenames > 0)
{
string[] myFilenames = new string[lenMyFilenames];
FileChangeEventHandler handler = new FileChangeEventHandler(this.FileChange);
FileChangesMonitor fmon = HttpRuntime.FileChangesMonitor;
int i = 0;
foreach (string f in depFilenames)
{
fmon.StartMonitoringPath(f, handler);
myFilenames[i++] = f;
}
foreach (string f in filenames)
{
DateTime utcLastWrite = fmon.StartMonitoringPath(f, handler);
myFilenames[i++] = f;
if (utcStart < DateTime.MaxValue)
{
Debug.Trace("CacheDependencyInit", "file=" + f + "; utcStart=" + utcStart + "; utcLastWrite=" + utcLastWrite);
if (utcLastWrite >= utcStart)
{
Debug.Trace("CacheDependencyInit", "changes occurred since start time for file " + f);
SetBit(CHANGED);
break;
}
}
}
if (myFilenames.Length == 1)
{
_filenames = myFilenames[0];
}
else
{
_filenames = myFilenames;
}
}
int lenMyEntries = depEntries.Length + cachekeys.Length;
if (lenMyEntries > 0 && (_bits & CHANGED) == 0)
{
CacheEntry[] myEntries = new CacheEntry[lenMyEntries];
int i = 0;
foreach (CacheEntry entry in depEntries)
{
entry.AddCacheDependencyNotify(this);
myEntries[i++] = entry;
}
cacheInternal = HttpRuntime.CacheInternal;
foreach (string k in cachekeys)
{
CacheEntry entry = (CacheEntry)cacheInternal.DoGet(isPublic, k, CacheGetOptions.ReturnCacheEntry);
if (entry != null)
{
entry.AddCacheDependencyNotify(this);
myEntries[i++] = entry;
if (entry.State != CacheEntry.EntryState.AddedToCache ||
entry.UtcCreated > utcStart)
{
#if DBG
if (entry.State != CacheEntry.EntryState.AddedToCache)
{
Debug.Trace("CacheDependencyInit", "Entry is not in cache, considered changed:" + k);
}
else
{
Debug.Trace("CacheDependencyInit", "Changes occurred to entry since start time:" + k);
}
#endif
SetBit(CHANGED);
break;
}
}
else
{
Debug.Trace("CacheDependencyInit", "Cache item not found to create dependency on:" + k);
SetBit(CHANGED);
break;
}
}
if (myEntries.Length == 1)
{
_entries = myEntries[0];
}
else
{
_entries = myEntries;
}
}
SetBit(READY);
if ((_bits & CHANGED) != 0 || (dependency._bits & CHANGED) != 0)
{
SetBit(CHANGED);
DisposeInternal();
}
}
catch {
DisposeInternal();
throw;
}
}
internal void OnConfigFileChanged(Object sender, FileChangeEvent e)
{
string message = FileChangesMonitor.GenerateErrorMessage(e.Action, e.FileName);
HttpRuntime.OnConfigChange(message);
}