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Diffstat (limited to 'netwerk/cache2/CacheHashUtils.h')
-rw-r--r-- | netwerk/cache2/CacheHashUtils.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/netwerk/cache2/CacheHashUtils.h b/netwerk/cache2/CacheHashUtils.h new file mode 100644 index 000000000..2af3fed80 --- /dev/null +++ b/netwerk/cache2/CacheHashUtils.h @@ -0,0 +1,67 @@ +/* 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 CacheHashUtils__h__ +#define CacheHashUtils__h__ + +#include "nsISupports.h" +#include "mozilla/Types.h" +#include "prnetdb.h" +#include "nsPrintfCString.h" + +#define LOGSHA1(x) \ + PR_htonl((reinterpret_cast<const uint32_t *>(x))[0]), \ + PR_htonl((reinterpret_cast<const uint32_t *>(x))[1]), \ + PR_htonl((reinterpret_cast<const uint32_t *>(x))[2]), \ + PR_htonl((reinterpret_cast<const uint32_t *>(x))[3]), \ + PR_htonl((reinterpret_cast<const uint32_t *>(x))[4]) + +#define SHA1STRING(x) \ + (nsPrintfCString("%08x%08x%08x%08x%08x", LOGSHA1(x)).get()) + +namespace mozilla { + +class OriginAttributes; + +namespace net { + +class CacheHash : public nsISupports +{ +public: + NS_DECL_THREADSAFE_ISUPPORTS + + typedef uint16_t Hash16_t; + typedef uint32_t Hash32_t; + + static Hash32_t Hash(const char* aData, uint32_t aSize, uint32_t aInitval=0); + static Hash16_t Hash16(const char* aData, uint32_t aSize, + uint32_t aInitval=0); + + explicit CacheHash(uint32_t aInitval=0); + + void Update(const char *aData, uint32_t aLen); + Hash32_t GetHash(); + Hash16_t GetHash16(); + +private: + virtual ~CacheHash() {} + + void Feed(uint32_t aVal, uint8_t aLen = 4); + + uint32_t mA, mB, mC; + uint8_t mPos; + uint32_t mBuf; + uint8_t mBufPos; + uint32_t mLength; + bool mFinalized; +}; + +typedef uint64_t OriginAttrsHash; + +OriginAttrsHash GetOriginAttrsHash(const mozilla::OriginAttributes &aOA); + +} // namespace net +} // namespace mozilla + +#endif |