/*
* //
* protected RequestCacheValidator(): this(false, TimeSpan.FromDays(1))
* {
* }
*/
protected RequestCacheValidator(bool strictCacheErrors, TimeSpan unspecifiedMaxAge)
{
_StrictCacheErrors = strictCacheErrors;
_UnspecifiedMaxAge = unspecifiedMaxAge;
_ValidationStatus = CacheValidationStatus.DoNotUseCache;
_CacheFreshnessStatus = CacheFreshnessStatus.Undefined;
}
//
//
//
private void ValidateFreshness(RequestCacheEntry fetchEntry)
{
_Validator.FetchCacheEntry(fetchEntry);
if (_Validator.CacheStream == null || _Validator.CacheStream == Stream.Null)
{
if (Logging.On)
{
Logging.PrintInfo(Logging.RequestCache, SR.GetString(SR.net_log_cache_entry_not_found_freshness_undefined, "ValidateFreshness()"));
}
_Validator.SetFreshnessStatus(CacheFreshnessStatus.Undefined);
return;
}
if (Logging.On)
{
if (Logging.IsVerbose(Logging.RequestCache))
{
Logging.PrintInfo(Logging.RequestCache, SR.GetString(SR.net_log_cache_dumping_cache_context));
if (fetchEntry == null)
{
Logging.PrintInfo(Logging.RequestCache, "<null>");
}
else
{
string[] context = fetchEntry.ToString(Logging.IsVerbose(Logging.RequestCache)).Split(RequestCache.LineSplits);
for (int i = 0; i < context.Length; ++i)
{
if (context[i].Length != 0)
{
Logging.PrintInfo(Logging.RequestCache, context[i]);
}
}
}
}
}
CacheFreshnessStatus result = _Validator.ValidateFreshness();
_Validator.SetFreshnessStatus(result);
_IsCacheFresh = result == CacheFreshnessStatus.Fresh;
if (Logging.On)
{
Logging.PrintInfo(Logging.RequestCache, SR.GetString(SR.net_log_cache_result, "ValidateFreshness()", result.ToString()));
}
}
/*-------------- internal members -------------*/
//
internal void FetchRequest(Uri uri, WebRequest request)
{
_Request = request;
_Policy = request.CachePolicy;
_Response = null;
_ResponseCount = 0;
_ValidationStatus = CacheValidationStatus.DoNotUseCache;
_CacheFreshnessStatus = CacheFreshnessStatus.Undefined;
_CacheStream = null;
_CacheStreamOffset = 0L;
_CacheStreamLength = 0L;
if (!uri.Equals(_Uri))
{
// it's changed from previous call
_CacheKey = uri.GetParts(UriComponents.AbsoluteUri, UriFormat.Unescaped);
}
_Uri = uri;
}
private void ValidateFreshness(RequestCacheEntry fetchEntry)
{
this._Validator.FetchCacheEntry(fetchEntry);
if ((this._Validator.CacheStream == null) || (this._Validator.CacheStream == Stream.Null))
{
if (Logging.On)
{
Logging.PrintInfo(Logging.RequestCache, SR.GetString("net_log_cache_entry_not_found_freshness_undefined", new object[] { "ValidateFreshness()" }));
}
this._Validator.SetFreshnessStatus(CacheFreshnessStatus.Undefined);
}
else
{
if (Logging.On && Logging.IsVerbose(Logging.RequestCache))
{
Logging.PrintInfo(Logging.RequestCache, SR.GetString("net_log_cache_dumping_cache_context"));
if (fetchEntry == null)
{
Logging.PrintInfo(Logging.RequestCache, "<null>");
}
else
{
string[] strArray = fetchEntry.ToString(Logging.IsVerbose(Logging.RequestCache)).Split(RequestCache.LineSplits);
for (int i = 0; i < strArray.Length; i++)
{
if (strArray[i].Length != 0)
{
Logging.PrintInfo(Logging.RequestCache, strArray[i]);
}
}
}
}
CacheFreshnessStatus status = this._Validator.ValidateFreshness();
this._Validator.SetFreshnessStatus(status);
this._IsCacheFresh = status == CacheFreshnessStatus.Fresh;
if (Logging.On)
{
Logging.PrintInfo(Logging.RequestCache, SR.GetString("net_log_cache_result", new object[] { "ValidateFreshness()", status.ToString() }));
}
}
}
internal void SetFreshnessStatus(CacheFreshnessStatus status)
{
_CacheFreshnessStatus = status;
}
/*-------------- internal members -------------*/
//
internal void FetchRequest(Uri uri, WebRequest request)
{
_Request = request;
_Policy = request.CachePolicy;
_Response = null;
_ResponseCount = 0;
_ValidationStatus = CacheValidationStatus.DoNotUseCache;
_CacheFreshnessStatus = CacheFreshnessStatus.Undefined;
_CacheStream = null;
_CacheStreamOffset = 0L;
_CacheStreamLength = 0L;
if (!uri.Equals(_Uri))
{
// it's changed from previous call
_CacheKey = uri.GetParts(UriComponents.AbsoluteUri, UriFormat.Unescaped);
}
_Uri = uri;
}
/*
//
protected RequestCacheValidator(): this(false, TimeSpan.FromDays(1))
{
}
*/
protected RequestCacheValidator(bool strictCacheErrors, TimeSpan unspecifiedMaxAge)
{
_StrictCacheErrors = strictCacheErrors;
_UnspecifiedMaxAge = unspecifiedMaxAge;
_ValidationStatus = CacheValidationStatus.DoNotUseCache;
_CacheFreshnessStatus = CacheFreshnessStatus.Undefined;
}
internal void SetFreshnessStatus(CacheFreshnessStatus status)
{
_CacheFreshnessStatus = status;
}
