1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/cache2/CacheHashUtils.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,61 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef CacheHashUtils__h__
1.9 +#define CacheHashUtils__h__
1.10 +
1.11 +#include "nsISupports.h"
1.12 +#include "mozilla/Types.h"
1.13 +#include "prnetdb.h"
1.14 +#include "nsPrintfCString.h"
1.15 +
1.16 +#define LOGSHA1(x) \
1.17 + PR_htonl((reinterpret_cast<const uint32_t *>(x))[0]), \
1.18 + PR_htonl((reinterpret_cast<const uint32_t *>(x))[1]), \
1.19 + PR_htonl((reinterpret_cast<const uint32_t *>(x))[2]), \
1.20 + PR_htonl((reinterpret_cast<const uint32_t *>(x))[3]), \
1.21 + PR_htonl((reinterpret_cast<const uint32_t *>(x))[4])
1.22 +
1.23 +#define SHA1STRING(x) \
1.24 + (nsPrintfCString("%08x%08x%08x%08x%08x", LOGSHA1(x)).get())
1.25 +
1.26 +namespace mozilla {
1.27 +namespace net {
1.28 +
1.29 +class CacheHash : public nsISupports
1.30 +{
1.31 +public:
1.32 + NS_DECL_THREADSAFE_ISUPPORTS
1.33 +
1.34 + typedef uint16_t Hash16_t;
1.35 + typedef uint32_t Hash32_t;
1.36 +
1.37 + static Hash32_t Hash(const char* aData, uint32_t aSize, uint32_t aInitval=0);
1.38 + static Hash16_t Hash16(const char* aData, uint32_t aSize,
1.39 + uint32_t aInitval=0);
1.40 +
1.41 + CacheHash(uint32_t aInitval=0);
1.42 +
1.43 + void Update(const char *aData, uint32_t aLen);
1.44 + Hash32_t GetHash();
1.45 + Hash16_t GetHash16();
1.46 +
1.47 +private:
1.48 + virtual ~CacheHash() {}
1.49 +
1.50 + void Feed(uint32_t aVal, uint8_t aLen = 4);
1.51 +
1.52 + uint32_t mA, mB, mC;
1.53 + uint8_t mPos;
1.54 + uint32_t mBuf;
1.55 + uint8_t mBufPos;
1.56 + uint32_t mLength;
1.57 + bool mFinalized;
1.58 +};
1.59 +
1.60 +
1.61 +} // net
1.62 +} // mozilla
1.63 +
1.64 +#endif
