The Tor Browser / file comparison
comparison: netwerk/cache/nsDiskCacheEntry.h
netwerk/cache/nsDiskCacheEntry.h
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
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| -1:000000000000 | 0:3f23b6bf7905 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef _nsDiskCacheEntry_h_ | |
| 8 #define _nsDiskCacheEntry_h_ | |
| 9 | |
| 10 #include "nsDiskCacheMap.h" | |
| 11 | |
| 12 #include "nsCacheEntry.h" | |
| 13 | |
| 14 | |
| 15 /****************************************************************************** | |
| 16 * nsDiskCacheEntry | |
| 17 *****************************************************************************/ | |
| 18 struct nsDiskCacheEntry { | |
| 19 uint32_t mHeaderVersion; // useful for stand-alone metadata files | |
| 20 uint32_t mMetaLocation; // for verification | |
| 21 int32_t mFetchCount; | |
| 22 uint32_t mLastFetched; | |
| 23 uint32_t mLastModified; | |
| 24 uint32_t mExpirationTime; | |
| 25 uint32_t mDataSize; | |
| 26 uint32_t mKeySize; // includes terminating null byte | |
| 27 uint32_t mMetaDataSize; // includes terminating null byte | |
| 28 // followed by key data (mKeySize bytes) | |
| 29 // followed by meta data (mMetaDataSize bytes) | |
| 30 | |
| 31 uint32_t Size() { return sizeof(nsDiskCacheEntry) + | |
| 32 mKeySize + mMetaDataSize; | |
| 33 } | |
| 34 | |
| 35 char* Key() { return reinterpret_cast<char*const>(this) + | |
| 36 sizeof(nsDiskCacheEntry); | |
| 37 } | |
| 38 | |
| 39 char* MetaData() | |
| 40 { return Key() + mKeySize; } | |
| 41 | |
| 42 nsCacheEntry * CreateCacheEntry(nsCacheDevice * device); | |
| 43 | |
| 44 void Swap() // host to network (memory to disk) | |
| 45 { | |
| 46 #if defined(IS_LITTLE_ENDIAN) | |
| 47 mHeaderVersion = htonl(mHeaderVersion); | |
| 48 mMetaLocation = htonl(mMetaLocation); | |
| 49 mFetchCount = htonl(mFetchCount); | |
| 50 mLastFetched = htonl(mLastFetched); | |
| 51 mLastModified = htonl(mLastModified); | |
| 52 mExpirationTime = htonl(mExpirationTime); | |
| 53 mDataSize = htonl(mDataSize); | |
| 54 mKeySize = htonl(mKeySize); | |
| 55 mMetaDataSize = htonl(mMetaDataSize); | |
| 56 #endif | |
| 57 } | |
| 58 | |
| 59 void Unswap() // network to host (disk to memory) | |
| 60 { | |
| 61 #if defined(IS_LITTLE_ENDIAN) | |
| 62 mHeaderVersion = ntohl(mHeaderVersion); | |
| 63 mMetaLocation = ntohl(mMetaLocation); | |
| 64 mFetchCount = ntohl(mFetchCount); | |
| 65 mLastFetched = ntohl(mLastFetched); | |
| 66 mLastModified = ntohl(mLastModified); | |
| 67 mExpirationTime = ntohl(mExpirationTime); | |
| 68 mDataSize = ntohl(mDataSize); | |
| 69 mKeySize = ntohl(mKeySize); | |
| 70 mMetaDataSize = ntohl(mMetaDataSize); | |
| 71 #endif | |
| 72 } | |
| 73 }; | |
| 74 | |
| 75 | |
| 76 /****************************************************************************** | |
| 77 * nsDiskCacheEntryInfo | |
| 78 *****************************************************************************/ | |
| 79 class nsDiskCacheEntryInfo : public nsICacheEntryInfo { | |
| 80 public: | |
| 81 NS_DECL_ISUPPORTS | |
| 82 NS_DECL_NSICACHEENTRYINFO | |
| 83 | |
| 84 nsDiskCacheEntryInfo(const char * deviceID, nsDiskCacheEntry * diskEntry) | |
| 85 : mDeviceID(deviceID) | |
| 86 , mDiskEntry(diskEntry) | |
| 87 { | |
| 88 } | |
| 89 | |
| 90 virtual ~nsDiskCacheEntryInfo() {} | |
| 91 | |
| 92 const char* Key() { return mDiskEntry->Key(); } | |
| 93 | |
| 94 private: | |
| 95 const char * mDeviceID; | |
| 96 nsDiskCacheEntry * mDiskEntry; | |
| 97 }; | |
| 98 | |
| 99 | |
| 100 #endif /* _nsDiskCacheEntry_h_ */ |
