62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef CacheHashUtils__h__
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#define CacheHashUtils__h__
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#include "nsISupports.h"
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#include "mozilla/Types.h"
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#include "prnetdb.h"
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#include "nsPrintfCString.h"
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#define LOGSHA1(x) \
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PR_htonl((reinterpret_cast<const uint32_t *>(x))[0]), \
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PR_htonl((reinterpret_cast<const uint32_t *>(x))[1]), \
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PR_htonl((reinterpret_cast<const uint32_t *>(x))[2]), \
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PR_htonl((reinterpret_cast<const uint32_t *>(x))[3]), \
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PR_htonl((reinterpret_cast<const uint32_t *>(x))[4])
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#define SHA1STRING(x) \
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(nsPrintfCString("%08x%08x%08x%08x%08x", LOGSHA1(x)).get())
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namespace mozilla {
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namespace net {
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class CacheHash : public nsISupports
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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typedef uint16_t Hash16_t;
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typedef uint32_t Hash32_t;
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static Hash32_t Hash(const char* aData, uint32_t aSize, uint32_t aInitval=0);
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static Hash16_t Hash16(const char* aData, uint32_t aSize,
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uint32_t aInitval=0);
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explicit CacheHash(uint32_t aInitval=0);
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void Update(const char *aData, uint32_t aLen);
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Hash32_t GetHash();
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Hash16_t GetHash16();
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private:
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virtual ~CacheHash() {}
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void Feed(uint32_t aVal, uint8_t aLen = 4);
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uint32_t mA, mB, mC;
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uint8_t mPos;
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uint32_t mBuf;
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uint8_t mBufPos;
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uint32_t mLength;
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bool mFinalized;
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};
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} // namespace net
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} // namespace mozilla
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#endif
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