Add m-esr52 at 52.6.0

1 files changed, 100 insertions, 0 deletions

diff --git a/netwerk/cache/nsDiskCacheEntry.h b/netwerk/cache/nsDiskCacheEntry.h
new file mode 100644
index 000000000..3bec33053
--- /dev/null
+++ b/netwerk/cache/nsDiskCacheEntry.h
@@ -0,0 +1,100 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _nsDiskCacheEntry_h_
+#define _nsDiskCacheEntry_h_
+
+#include "nsDiskCacheMap.h"
+
+#include "nsCacheEntry.h"
+
+
+/******************************************************************************
+ *  nsDiskCacheEntry
+ *****************************************************************************/
+struct nsDiskCacheEntry {
+    uint32_t        mHeaderVersion; // useful for stand-alone metadata files
+    uint32_t        mMetaLocation;  // for verification
+    int32_t         mFetchCount;
+    uint32_t        mLastFetched;
+    uint32_t        mLastModified;
+    uint32_t        mExpirationTime;
+    uint32_t        mDataSize;
+    uint32_t        mKeySize;       // includes terminating null byte
+    uint32_t        mMetaDataSize;  // includes terminating null byte
+    // followed by key data (mKeySize bytes)
+    // followed by meta data (mMetaDataSize bytes)
+
+    uint32_t        Size()    { return sizeof(nsDiskCacheEntry) + 
+                                    mKeySize + mMetaDataSize;
+                              }
+
+    char*           Key()     { return reinterpret_cast<char*const>(this) + 
+                                    sizeof(nsDiskCacheEntry);
+                              }
+
+    char*           MetaData()
+                              { return Key() + mKeySize; }
+
+    nsCacheEntry *  CreateCacheEntry(nsCacheDevice *  device);
+
+    void Swap()         // host to network (memory to disk)
+    {
+#if defined(IS_LITTLE_ENDIAN)   
+        mHeaderVersion      = htonl(mHeaderVersion);
+        mMetaLocation       = htonl(mMetaLocation);
+        mFetchCount         = htonl(mFetchCount);
+        mLastFetched        = htonl(mLastFetched);
+        mLastModified       = htonl(mLastModified);
+        mExpirationTime     = htonl(mExpirationTime);
+        mDataSize           = htonl(mDataSize);
+        mKeySize            = htonl(mKeySize);
+        mMetaDataSize       = htonl(mMetaDataSize);
+#endif
+    }
+    
+    void Unswap()       // network to host (disk to memory)
+    {
+#if defined(IS_LITTLE_ENDIAN)
+        mHeaderVersion      = ntohl(mHeaderVersion);
+        mMetaLocation       = ntohl(mMetaLocation);
+        mFetchCount         = ntohl(mFetchCount);
+        mLastFetched        = ntohl(mLastFetched);
+        mLastModified       = ntohl(mLastModified);
+        mExpirationTime     = ntohl(mExpirationTime);
+        mDataSize           = ntohl(mDataSize);
+        mKeySize            = ntohl(mKeySize);
+        mMetaDataSize       = ntohl(mMetaDataSize);
+#endif
+    }
+};
+
+
+/******************************************************************************
+ *  nsDiskCacheEntryInfo
+ *****************************************************************************/
+class nsDiskCacheEntryInfo : public nsICacheEntryInfo {
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSICACHEENTRYINFO
+
+    nsDiskCacheEntryInfo(const char * deviceID, nsDiskCacheEntry * diskEntry)
+        : mDeviceID(deviceID)
+        , mDiskEntry(diskEntry)
+    {
+    }
+    
+    const char* Key() { return mDiskEntry->Key(); }
+    
+private:
+    virtual ~nsDiskCacheEntryInfo() {}
+
+    const char *        mDeviceID;
+    nsDiskCacheEntry *  mDiskEntry;
+};
+
+
+#endif /* _nsDiskCacheEntry_h_ */