internal AutoWebProxyScriptEngine(WebProxy proxy, bool useRegistry)
{
webProxy = proxy;
m_UseRegistry = useRegistry;
backupCache = new SingleItemRequestCache(RequestCacheManager.IsCachingEnabled);
}
private MetadataUpdateStream(Stream parentStream, RequestCache cache, string key, bool isStrictCacheErrors) : base(parentStream)
{
this.m_Cache = cache;
this.m_Key = key;
this.m_CacheDestroy = true;
this.m_IsStrictCacheErrors = isStrictCacheErrors;
}
internal MetadataUpdateStream(Stream parentStream, RequestCache cache, string key, DateTime expiresGMT, DateTime lastModifiedGMT, DateTime lastSynchronizedGMT, TimeSpan maxStale, StringCollection entryMetadata, StringCollection systemMetadata, bool isStrictCacheErrors) : base(parentStream)
{
this.m_Cache = cache;
this.m_Key = key;
this.m_Expires = expiresGMT;
this.m_LastModified = lastModifiedGMT;
this.m_LastSynchronized = lastSynchronizedGMT;
this.m_MaxStale = maxStale;
this.m_EntryMetadata = entryMetadata;
this.m_SystemMetadata = systemMetadata;
this.m_IsStrictCacheErrors = isStrictCacheErrors;
}
internal MetadataUpdateStream(Stream parentStream,
RequestCache cache,
string key,
DateTime expiresGMT,
DateTime lastModifiedGMT,
DateTime lastSynchronizedGMT,
TimeSpan maxStale,
StringCollection entryMetadata,
StringCollection systemMetadata,
bool isStrictCacheErrors)
: base(parentStream)
{
m_Cache = cache;
m_Key = key;
m_Expires = expiresGMT;
m_LastModified = lastModifiedGMT;
m_LastSynchronized = lastSynchronizedGMT;
m_MaxStale = maxStale;
m_EntryMetadata = entryMetadata;
m_SystemMetadata = systemMetadata;
m_IsStrictCacheErrors = isStrictCacheErrors;
}
internal RequestCachingSectionInternal(RequestCachingSection section)
{
if (!section.DisableAllCaching)
{
this.defaultCachePolicy = new RequestCachePolicy(section.DefaultPolicyLevel);
this.isPrivateCache = section.IsPrivateCache;
this.unspecifiedMaximumAge = section.UnspecifiedMaximumAge;
}
else
{
this.disableAllCaching = true;
}
this.httpRequestCacheValidator = new HttpRequestCacheValidator(false, this.UnspecifiedMaximumAge);
this.ftpRequestCacheValidator = new FtpRequestCacheValidator(false, this.UnspecifiedMaximumAge);
this.defaultCache = new WinInetCache(this.IsPrivateCache, true, true);
if (!section.DisableAllCaching)
{
HttpCachePolicyElement defaultHttpCachePolicy = section.DefaultHttpCachePolicy;
if (defaultHttpCachePolicy.WasReadFromConfig)
{
if (defaultHttpCachePolicy.PolicyLevel == HttpRequestCacheLevel.Default)
{
HttpCacheAgeControl cacheAgeControl = (defaultHttpCachePolicy.MinimumFresh != TimeSpan.MinValue) ? HttpCacheAgeControl.MaxAgeAndMinFresh : HttpCacheAgeControl.MaxAgeAndMaxStale;
this.defaultHttpCachePolicy = new HttpRequestCachePolicy(cacheAgeControl, defaultHttpCachePolicy.MaximumAge, (defaultHttpCachePolicy.MinimumFresh != TimeSpan.MinValue) ? defaultHttpCachePolicy.MinimumFresh : defaultHttpCachePolicy.MaximumStale);
}
else
{
this.defaultHttpCachePolicy = new HttpRequestCachePolicy(defaultHttpCachePolicy.PolicyLevel);
}
}
FtpCachePolicyElement defaultFtpCachePolicy = section.DefaultFtpCachePolicy;
if (defaultFtpCachePolicy.WasReadFromConfig)
{
this.defaultFtpCachePolicy = new RequestCachePolicy(defaultFtpCachePolicy.PolicyLevel);
}
}
}
// internal string[] ResponseMetadata {get {return _ResponseMetadata;}}
// internal string CacheRetrieveKey {get {return _CacheRetrieveKey;}}
// internal string CacheStoreKey {get {return _CacheStoreKey;}}
//
// Public methods
//
internal RequestCacheProtocol(RequestCache cache, RequestCacheValidator defaultValidator)
{
_RequestCache = cache;
_Validator = defaultValidator;
_CanTakeNewRequest = true;
}
// internal string[] ResponseMetadata {get {return _ResponseMetadata;}}
// internal string CacheRetrieveKey {get {return _CacheRetrieveKey;}}
// internal string CacheStoreKey {get {return _CacheStoreKey;}}
//
// Public methods
//
internal RequestCacheProtocol(RequestCache cache, RequestCacheValidator defaultValidator)
{
_RequestCache = cache;
_Validator = defaultValidator;
_CanTakeNewRequest = true;
}
internal RequestCacheBinding(RequestCache requestCache, RequestCacheValidator cacheValidator, RequestCachePolicy policy)
{
this.m_RequestCache = requestCache;
this.m_CacheValidator = cacheValidator;
this.m_Policy = policy;
}
internal RequestCacheBinding(RequestCache requestCache, RequestCacheValidator cacheValidator, RequestCachePolicy policy)
{
m_RequestCache = requestCache;
m_CacheValidator = cacheValidator;
m_Policy = policy;
}
//
// This constructor will result in removing a cache entry upon closure
//
private MetadataUpdateStream( Stream parentStream, RequestCache cache, string key, bool isStrictCacheErrors):base() {
if (parentStream == null)
throw new ArgumentNullException("parentStream");
m_ParentStream = parentStream;
m_Cache = cache;
m_Key = key;
m_CacheDestroy = true;
m_IsStrictCacheErrors = isStrictCacheErrors;
}
internal MetadataUpdateStream( Stream parentStream,
RequestCache cache,
string key,
DateTime expiresGMT,
DateTime lastModifiedGMT,
DateTime lastSynchronizedGMT,
TimeSpan maxStale,
StringCollection entryMetadata,
StringCollection systemMetadata,
bool isStrictCacheErrors): base()
{
if (parentStream == null)
throw new ArgumentNullException("parentStream");
m_ParentStream = parentStream;
m_Cache = cache;
m_Key = key;
m_Expires = expiresGMT;
m_LastModified = lastModifiedGMT;
m_LastSynchronized = lastSynchronizedGMT;
m_MaxStale = maxStale;
m_EntryMetadata = entryMetadata;
m_SystemMetadata = systemMetadata;
m_IsStrictCacheErrors = isStrictCacheErrors;
}
protected virtual void Dispose(bool disposing, CloseExState closeState) {
if (Interlocked.Increment(ref _Disposed) == 1) {
ICloseEx icloseEx = m_ParentStream as ICloseEx;
if (icloseEx != null) {
icloseEx.CloseEx(closeState);
}
else {
m_ParentStream.Close();
}
if (m_CacheDestroy)
{
if (m_IsStrictCacheErrors)
{
m_Cache.Remove(m_Key);
}
else
{
m_Cache.TryRemove(m_Key);
}
}
else
{
if (m_IsStrictCacheErrors)
{
m_Cache.Update(m_Key, m_Expires, m_LastModified, m_LastSynchronized, m_MaxStale, m_EntryMetadata, m_SystemMetadata);
}
else
{
m_Cache.TryUpdate(m_Key, m_Expires, m_LastModified, m_LastSynchronized, m_MaxStale, m_EntryMetadata, m_SystemMetadata);
}
}
if (!disposing) {
m_Cache = null;
m_Key = null;
m_EntryMetadata = null;
m_SystemMetadata = null;
}
}
base.Dispose(disposing);
}
public NetWebProxyFinder(AutoWebProxyScriptEngine engine)
: base(engine)
{
backupCache = new SingleItemRequestCache(RequestCacheManager.IsCachingEnabled);
lockObject = new object();
}
