1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/cache/nsDiskCacheEntry.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,100 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + *
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef _nsDiskCacheEntry_h_
1.11 +#define _nsDiskCacheEntry_h_
1.12 +
1.13 +#include "nsDiskCacheMap.h"
1.14 +
1.15 +#include "nsCacheEntry.h"
1.16 +
1.17 +
1.18 +/******************************************************************************
1.19 + * nsDiskCacheEntry
1.20 + *****************************************************************************/
1.21 +struct nsDiskCacheEntry {
1.22 + uint32_t mHeaderVersion; // useful for stand-alone metadata files
1.23 + uint32_t mMetaLocation; // for verification
1.24 + int32_t mFetchCount;
1.25 + uint32_t mLastFetched;
1.26 + uint32_t mLastModified;
1.27 + uint32_t mExpirationTime;
1.28 + uint32_t mDataSize;
1.29 + uint32_t mKeySize; // includes terminating null byte
1.30 + uint32_t mMetaDataSize; // includes terminating null byte
1.31 + // followed by key data (mKeySize bytes)
1.32 + // followed by meta data (mMetaDataSize bytes)
1.33 +
1.34 + uint32_t Size() { return sizeof(nsDiskCacheEntry) +
1.35 + mKeySize + mMetaDataSize;
1.36 + }
1.37 +
1.38 + char* Key() { return reinterpret_cast<char*const>(this) +
1.39 + sizeof(nsDiskCacheEntry);
1.40 + }
1.41 +
1.42 + char* MetaData()
1.43 + { return Key() + mKeySize; }
1.44 +
1.45 + nsCacheEntry * CreateCacheEntry(nsCacheDevice * device);
1.46 +
1.47 + void Swap() // host to network (memory to disk)
1.48 + {
1.49 +#if defined(IS_LITTLE_ENDIAN)
1.50 + mHeaderVersion = htonl(mHeaderVersion);
1.51 + mMetaLocation = htonl(mMetaLocation);
1.52 + mFetchCount = htonl(mFetchCount);
1.53 + mLastFetched = htonl(mLastFetched);
1.54 + mLastModified = htonl(mLastModified);
1.55 + mExpirationTime = htonl(mExpirationTime);
1.56 + mDataSize = htonl(mDataSize);
1.57 + mKeySize = htonl(mKeySize);
1.58 + mMetaDataSize = htonl(mMetaDataSize);
1.59 +#endif
1.60 + }
1.61 +
1.62 + void Unswap() // network to host (disk to memory)
1.63 + {
1.64 +#if defined(IS_LITTLE_ENDIAN)
1.65 + mHeaderVersion = ntohl(mHeaderVersion);
1.66 + mMetaLocation = ntohl(mMetaLocation);
1.67 + mFetchCount = ntohl(mFetchCount);
1.68 + mLastFetched = ntohl(mLastFetched);
1.69 + mLastModified = ntohl(mLastModified);
1.70 + mExpirationTime = ntohl(mExpirationTime);
1.71 + mDataSize = ntohl(mDataSize);
1.72 + mKeySize = ntohl(mKeySize);
1.73 + mMetaDataSize = ntohl(mMetaDataSize);
1.74 +#endif
1.75 + }
1.76 +};
1.77 +
1.78 +
1.79 +/******************************************************************************
1.80 + * nsDiskCacheEntryInfo
1.81 + *****************************************************************************/
1.82 +class nsDiskCacheEntryInfo : public nsICacheEntryInfo {
1.83 +public:
1.84 + NS_DECL_ISUPPORTS
1.85 + NS_DECL_NSICACHEENTRYINFO
1.86 +
1.87 + nsDiskCacheEntryInfo(const char * deviceID, nsDiskCacheEntry * diskEntry)
1.88 + : mDeviceID(deviceID)
1.89 + , mDiskEntry(diskEntry)
1.90 + {
1.91 + }
1.92 +
1.93 + virtual ~nsDiskCacheEntryInfo() {}
1.94 +
1.95 + const char* Key() { return mDiskEntry->Key(); }
1.96 +
1.97 +private:
1.98 + const char * mDeviceID;
1.99 + nsDiskCacheEntry * mDiskEntry;
1.100 +};
1.101 +
1.102 +
1.103 +#endif /* _nsDiskCacheEntry_h_ */
