Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Net / System / Net / Cache / RequestCacheEntry.cs / 1 / RequestCacheEntry.cs
/*++ Copyright (c) Microsoft Corporation Module Name: RequestCacheEntry.cs Abstract: Describes the attributes of a cache entry. Author: Alexei Vopilov 21-Dec-2002 Revision History: Aug 25 2003 moved to a new class, accomodated Whidbey-M3 changes --*/ namespace System.Net.Cache { using System; using System.Diagnostics; using System.Text; using System.IO; using System.Collections.Specialized; using System.Threading; using System.Globalization; internal class RequestCacheEntry { private bool m_IsPrivateEntry; private long m_StreamSize; private DateTime m_ExpiresUtc; private int m_HitCount; private DateTime m_LastAccessedUtc; private DateTime m_LastModifiedUtc; private DateTime m_LastSynchronizedUtc; private TimeSpan m_MaxStale; private int m_UsageCount; private bool m_IsPartialEntry; private StringCollection m_EntryMetadata; private StringCollection m_SystemMetadata; internal RequestCacheEntry() { m_ExpiresUtc = m_LastAccessedUtc = m_LastModifiedUtc = m_LastSynchronizedUtc = DateTime.MinValue; } #if !FEATURE_PAL // This ctor is for IERequestCache class only that relies on WinInet cache API. internal RequestCacheEntry(_WinInetCache.Entry entry, bool isPrivateEntry) { m_IsPrivateEntry = isPrivateEntry; m_StreamSize = ((long)entry.Info.SizeHigh<<32) | (long)((ulong)entry.Info.SizeLow); m_ExpiresUtc = (entry.Info.ExpireTime.IsNull? DateTime.MinValue: DateTime.FromFileTimeUtc(entry.Info.ExpireTime.ToLong())); m_HitCount = entry.Info.HitRate; m_LastAccessedUtc= (entry.Info.LastAccessTime.IsNull? DateTime.MinValue: DateTime.FromFileTimeUtc(entry.Info.LastAccessTime.ToLong())); m_LastModifiedUtc= (entry.Info.LastModifiedTime.IsNull? DateTime.MinValue: DateTime.FromFileTimeUtc(entry.Info.LastModifiedTime.ToLong())); m_LastSynchronizedUtc= (entry.Info.LastSyncTime.IsNull? DateTime.MinValue: DateTime.FromFileTimeUtc(entry.Info.LastSyncTime.ToLong())); m_MaxStale = TimeSpan.FromSeconds(entry.Info.U.ExemptDelta); if (m_MaxStale == Microsoft.Win32.WinInetCache.s_MaxTimeSpanForInt32) { m_MaxStale = TimeSpan.MaxValue; } m_UsageCount = entry.Info.UseCount; m_IsPartialEntry = (entry.Info.EntryType & _WinInetCache.EntryType.Sparse) != 0; } #endif // !FEATURE_PAL internal bool IsPrivateEntry {get{return m_IsPrivateEntry;} set{m_IsPrivateEntry = value;}} internal long StreamSize {get{return m_StreamSize;} set{m_StreamSize = value;}} internal DateTime ExpiresUtc {get{return m_ExpiresUtc;} set{m_ExpiresUtc = value;}} internal DateTime LastAccessedUtc {get{return m_LastAccessedUtc;} set{m_LastAccessedUtc = value;}} internal DateTime LastModifiedUtc {get{return m_LastModifiedUtc;} set{m_LastModifiedUtc = value;}} internal DateTime LastSynchronizedUtc {get{return m_LastSynchronizedUtc;} set{m_LastSynchronizedUtc = value;}} internal TimeSpan MaxStale {get{return m_MaxStale;} set{m_MaxStale = value;}} internal int HitCount {get{return m_HitCount;} set{m_HitCount = value;}} internal int UsageCount {get{return m_UsageCount;} set{m_UsageCount = value;}} internal bool IsPartialEntry {get{return m_IsPartialEntry;} set{m_IsPartialEntry = value;}} internal StringCollection EntryMetadata {get{return m_EntryMetadata;} set{m_EntryMetadata = value;}} internal StringCollection SystemMetadata {get{return m_SystemMetadata;} set{m_SystemMetadata = value;}} internal virtual string ToString(bool verbose) { StringBuilder sb = new StringBuilder(512); sb.Append("\r\nIsPrivateEntry = ").Append(IsPrivateEntry); sb.Append("\r\nIsPartialEntry = ").Append(IsPartialEntry); sb.Append("\r\nStreamSize = ").Append(StreamSize); sb.Append("\r\nExpires = ").Append(ExpiresUtc == DateTime.MinValue? "": ExpiresUtc.ToString("r", CultureInfo.CurrentCulture)); sb.Append("\r\nLastAccessed = ").Append(LastAccessedUtc == DateTime.MinValue? "": LastAccessedUtc.ToString("r", CultureInfo.CurrentCulture)); sb.Append("\r\nLastModified = ").Append(LastModifiedUtc == DateTime.MinValue? "": LastModifiedUtc.ToString("r", CultureInfo.CurrentCulture)); sb.Append("\r\nLastSynchronized = ").Append(LastSynchronizedUtc == DateTime.MinValue? "": LastSynchronizedUtc.ToString("r", CultureInfo.CurrentCulture)); sb.Append("\r\nMaxStale(sec) = ").Append(MaxStale == TimeSpan.MinValue? "": ((int)MaxStale.TotalSeconds).ToString(NumberFormatInfo.CurrentInfo)); sb.Append("\r\nHitCount = ").Append(HitCount.ToString(NumberFormatInfo.CurrentInfo)); sb.Append("\r\nUsageCount = ").Append(UsageCount.ToString(NumberFormatInfo.CurrentInfo)); sb.Append("\r\n"); if (verbose) { sb.Append("EntryMetadata:\r\n"); if (m_EntryMetadata != null) { foreach (string s in m_EntryMetadata) { sb.Append(s).Append("\r\n"); } } sb.Append("---\r\nSystemMetadata:\r\n"); if (m_SystemMetadata != null) { foreach (string s in m_SystemMetadata) { sb.Append(s).Append("\r\n"); } } } return sb.ToString(); } } }
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