void OnRawResponseRemoved(string key, object value, CacheItemRemovedReason reason)
{
CachedRawResponse c = value as CachedRawResponse;
CachedVaryBy varyby = c != null ? c.VaryBy : null;
if (varyby == null)
{
return;
}
List <string> itemList = varyby.ItemList;
OutputCacheProvider provider = FindCacheProvider(null);
itemList.Remove(key);
provider.Remove(key);
if (itemList.Count != 0)
{
return;
}
provider.Remove(varyby.Key);
}
void DoCacheInsert (HttpContext context, HttpApplication app, HttpResponse response)
{
string vary_key = context.Request.FilePath;
string key;
OutputCacheProvider provider = FindCacheProvider (app);
CachedVaryBy varyby = provider.Get (vary_key) as CachedVaryBy;
CachedRawResponse prev = null;
bool lookup = true;
string cacheKey = null, cacheValue = null;
HttpCachePolicy cachePolicy = response.Cache;
if (varyby == null) {
varyby = new CachedVaryBy (cachePolicy, vary_key);
provider.Add (vary_key, varyby, Cache.NoAbsoluteExpiration);
lookup = false;
cacheKey = vary_key;
}
key = varyby.CreateKey (vary_key, context);
if (lookup)
prev = provider.Get (key) as CachedRawResponse;
if (prev == null) {
CachedRawResponse c = response.GetCachedResponse ();
if (c != null) {
string [] keys = new string [] { vary_key };
DateTime utcExpiry, absoluteExpiration;
TimeSpan slidingExpiration;
c.VaryBy = varyby;
varyby.ItemList.Add (key);
if (cachePolicy.Sliding) {
slidingExpiration = TimeSpan.FromSeconds (cachePolicy.Duration);
absoluteExpiration = Cache.NoAbsoluteExpiration;
utcExpiry = DateTime.UtcNow + slidingExpiration;
} else {
slidingExpiration = Cache.NoSlidingExpiration;
absoluteExpiration = cachePolicy.Expires;
utcExpiry = absoluteExpiration.ToUniversalTime ();
}
provider.Set (key, c, utcExpiry);
HttpRuntime.InternalCache.Insert (key, c, new CacheDependency (null, keys), absoluteExpiration, slidingExpiration,
CacheItemPriority.Normal, response_removed);
cacheValue = key;
}
}
if (cacheKey != null) {
lock (keysCacheLock) {
if (keysCache == null) {
BuildManager.RemoveEntry += new BuildManagerRemoveEntryEventHandler (OnBuildManagerRemoveEntry);
keysCache = new Dictionary <string, string> (StringComparer.Ordinal);
keysCache.Add (cacheKey, cacheValue);
} else if (!keysCache.ContainsKey (cacheKey))
keysCache.Add (cacheKey, cacheValue);
}
}
}
void DoCacheInsert (HttpContext context)
{
string vary_key = context.Request.FilePath;
string key;
CachedVaryBy varyby = context.Cache [vary_key] as CachedVaryBy;
CachedRawResponse prev = null;
bool lookup = true;
#if NET_2_0
string cacheKey = null, cacheValue = null;
#endif
if (varyby == null) {
string path = context.Request.MapPath (vary_key);
string [] files = new string [] { path };
string [] keys = new string [0];
varyby = new CachedVaryBy (context.Response.Cache, vary_key);
context.Cache.Insert (vary_key, varyby,
new CacheDependency (files, keys),
Cache.NoAbsoluteExpiration,
Cache.NoSlidingExpiration,
CacheItemPriority.Normal, null);
lookup = false;
#if NET_2_0
cacheKey = vary_key;
#endif
}
key = varyby.CreateKey (vary_key, context);
if (lookup)
prev = context.InternalCache [key] as CachedRawResponse;
if (prev == null) {
CachedRawResponse c = context.Response.GetCachedResponse ();
if (c != null) {
string [] files = new string [] { };
string [] keys = new string [] { vary_key };
bool sliding = context.Response.Cache.Sliding;
context.InternalCache.Insert (key, c, new CacheDependency (files, keys),
(sliding ? Cache.NoAbsoluteExpiration :
context.Response.Cache.Expires),
(sliding ? TimeSpan.FromSeconds (
context.Response.Cache.Duration) :
Cache.NoSlidingExpiration),
CacheItemPriority.Normal, response_removed);
c.VaryBy = varyby;
varyby.ItemList.Add (key);
#if NET_2_0
cacheValue = key;
#endif
}
}
#if NET_2_0
if (cacheKey != null) {
lock (keysCacheLock) {
if (keysCache == null) {
BuildManager.RemoveEntry += new BuildManagerRemoveEntryEventHandler (OnBuildManagerRemoveEntry);
keysCache = new Dictionary <string, string> (StringComparer.Ordinal);
keysCache.Add (cacheKey, cacheValue);
} else if (!keysCache.ContainsKey (cacheKey))
keysCache.Add (cacheKey, cacheValue);
}
}
#endif
}
private void DoCacheInsert (HttpContext context)
{
string vary_key = context.Request.FilePath;
string key;
CachedVaryBy varyby = context.Cache [vary_key] as CachedVaryBy;
CachedRawResponse prev = null;
bool lookup = true;
if (varyby == null) {
string path = context.Request.MapPath (vary_key);
string [] files = new string [] { path };
string [] keys = new string [0];
varyby = new CachedVaryBy (context.Response.Cache, vary_key);
context.Cache.InsertPrivate (vary_key, varyby,
new CacheDependency (files, keys),
Cache.NoAbsoluteExpiration,
Cache.NoSlidingExpiration,
CacheItemPriority.Normal, null);
lookup = false;
}
key = varyby.CreateKey (vary_key, context);
if (lookup)
prev = context.Cache [key] as CachedRawResponse;
if (prev == null) {
CachedRawResponse c = context.Response.GetCachedResponse ();
string [] files = new string [] { };
string [] keys = new string [] { vary_key };
bool sliding = context.Response.Cache.Sliding;
context.Cache.InsertPrivate (key, c, new CacheDependency (files, keys),
(sliding ? Cache.NoAbsoluteExpiration :
context.Response.Cache.Expires),
(sliding ? TimeSpan.FromSeconds (
context.Response.Cache.Duration) :
Cache.NoSlidingExpiration),
CacheItemPriority.Normal, response_removed);
c.VaryBy = varyby;
varyby.ItemList.Add (key);
}
}
void DoCacheInsert(HttpContext context, HttpApplication app, HttpResponse response)
{
string vary_key = context.Request.FilePath;
string key;
OutputCacheProvider provider = FindCacheProvider(app);
CachedVaryBy varyby = provider.Get(vary_key) as CachedVaryBy;
CachedRawResponse prev = null;
bool lookup = true;
string cacheKey = null, cacheValue = null;
HttpCachePolicy cachePolicy = response.Cache;
if (varyby == null)
{
varyby = new CachedVaryBy(cachePolicy, vary_key);
provider.Add(vary_key, varyby, Cache.NoAbsoluteExpiration);
lookup = false;
cacheKey = vary_key;
}
key = varyby.CreateKey(vary_key, context);
if (lookup)
{
prev = provider.Get(key) as CachedRawResponse;
}
if (prev == null)
{
CachedRawResponse c = response.GetCachedResponse();
if (c != null)
{
string [] keys = new string [] { vary_key };
DateTime utcExpiry, absoluteExpiration;
TimeSpan slidingExpiration;
c.VaryBy = varyby;
varyby.ItemList.Add(key);
if (cachePolicy.Sliding)
{
slidingExpiration = TimeSpan.FromSeconds(cachePolicy.Duration);
absoluteExpiration = Cache.NoAbsoluteExpiration;
utcExpiry = DateTime.UtcNow + slidingExpiration;
}
else
{
slidingExpiration = Cache.NoSlidingExpiration;
absoluteExpiration = cachePolicy.Expires;
utcExpiry = absoluteExpiration.ToUniversalTime();
}
provider.Set(key, c, utcExpiry);
HttpRuntime.InternalCache.Insert(key, c, new CacheDependency(null, keys), absoluteExpiration, slidingExpiration,
CacheItemPriority.Normal, response_removed);
cacheValue = key;
}
}
if (cacheKey != null)
{
lock (keysCacheLock) {
if (keysCache == null)
{
BuildManager.RemoveEntry += new BuildManagerRemoveEntryEventHandler(OnBuildManagerRemoveEntry);
keysCache = new Dictionary <string, string> (StringComparer.Ordinal);
keysCache.Add(cacheKey, cacheValue);
}
else if (!keysCache.ContainsKey(cacheKey))
{
keysCache.Add(cacheKey, cacheValue);
}
}
}
}
void OnResolveRequestCache(object o, EventArgs args)
{
HttpApplication app = o as HttpApplication;
HttpContext context = app != null ? app.Context : null;
if (context == null)
{
return;
}
OutputCacheProvider provider = FindCacheProvider(app);
string vary_key = context.Request.FilePath;
CachedVaryBy varyby = provider.Get(vary_key) as CachedVaryBy;
string key;
CachedRawResponse c;
if (varyby == null)
{
return;
}
key = varyby.CreateKey(vary_key, context);
c = provider.Get(key) as CachedRawResponse;
if (c == null)
{
return;
}
lock (keysCacheLock) {
string invValue;
if (entriesToInvalidate != null && entriesToInvalidate.TryGetValue(vary_key, out invValue) && String.Compare(invValue, key, StringComparison.Ordinal) == 0)
{
provider.Remove(vary_key);
provider.Remove(key);
entriesToInvalidate.Remove(vary_key);
return;
}
}
ArrayList callbacks = c.Policy.ValidationCallbacks;
if (callbacks != null && callbacks.Count > 0)
{
bool isValid = true;
bool isIgnored = false;
foreach (Pair p in callbacks)
{
HttpCacheValidateHandler validate = (HttpCacheValidateHandler)p.First;
object data = p.Second;
HttpValidationStatus status = HttpValidationStatus.Valid;
try {
validate(context, data, ref status);
} catch {
// MS.NET hides the exception
isValid = false;
break;
}
if (status == HttpValidationStatus.Invalid)
{
isValid = false;
break;
}
else if (status == HttpValidationStatus.IgnoreThisRequest)
{
isIgnored = true;
}
}
if (!isValid)
{
OnRawResponseRemoved(key, c, CacheItemRemovedReason.Removed);
return;
}
else if (isIgnored)
{
return;
}
}
HttpResponse response = context.Response;
response.ClearContent();
IList cachedData = c.GetData();
if (cachedData != null)
{
Encoding outEnc = WebEncoding.ResponseEncoding;
foreach (CachedRawResponse.DataItem d in cachedData)
{
if (d.Length > 0)
{
response.BinaryWrite(d.Buffer, 0, (int)d.Length);
continue;
}
if (d.Callback == null)
{
continue;
}
string s = d.Callback(context);
if (s == null || s.Length == 0)
{
continue;
}
byte[] bytes = outEnc.GetBytes(s);
response.BinaryWrite(bytes, 0, bytes.Length);
}
}
response.ClearHeaders();
response.SetCachedHeaders(c.Headers);
response.StatusCode = c.StatusCode;
response.StatusDescription = c.StatusDescription;
app.CompleteRequest();
}
void DoCacheInsert(HttpContext context)
{
string vary_key = context.Request.FilePath;
string key;
CachedVaryBy varyby = context.Cache [vary_key] as CachedVaryBy;
CachedRawResponse prev = null;
bool lookup = true;
#if NET_2_0
string cacheKey = null, cacheValue = null;
#endif
if (varyby == null)
{
string path = context.Request.MapPath(vary_key);
string [] files = new string [] { path };
string [] keys = new string [0];
varyby = new CachedVaryBy(context.Response.Cache, vary_key);
context.Cache.Insert(vary_key, varyby,
new CacheDependency(files, keys),
Cache.NoAbsoluteExpiration,
Cache.NoSlidingExpiration,
CacheItemPriority.Normal, null);
lookup = false;
#if NET_2_0
cacheKey = vary_key;
#endif
}
key = varyby.CreateKey(vary_key, context);
if (lookup)
{
prev = context.InternalCache [key] as CachedRawResponse;
}
if (prev == null)
{
CachedRawResponse c = context.Response.GetCachedResponse();
if (c != null)
{
string [] files = new string [] { };
string [] keys = new string [] { vary_key };
bool sliding = context.Response.Cache.Sliding;
context.InternalCache.Insert(key, c, new CacheDependency(files, keys),
(sliding ? Cache.NoAbsoluteExpiration :
context.Response.Cache.Expires),
(sliding ? TimeSpan.FromSeconds(
context.Response.Cache.Duration) :
Cache.NoSlidingExpiration),
CacheItemPriority.Normal, response_removed);
c.VaryBy = varyby;
varyby.ItemList.Add(key);
#if NET_2_0
cacheValue = key;
#endif
}
}
#if NET_2_0
if (cacheKey != null)
{
lock (keysCacheLock) {
if (keysCache == null)
{
BuildManager.RemoveEntry += new BuildManagerRemoveEntryEventHandler(OnBuildManagerRemoveEntry);
keysCache = new Dictionary <string, string> (StringComparer.Ordinal);
keysCache.Add(cacheKey, cacheValue);
}
else if (!keysCache.ContainsKey(cacheKey))
{
keysCache.Add(cacheKey, cacheValue);
}
}
}
#endif
}
