133 lines
2.5 KiB
C
133 lines
2.5 KiB
C
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#ifndef _REQUEST_HEADERHASH_HXX_
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#define _REQUEST_HEADERHASH_HXX_
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//
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// Helper class for String->Index hash
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//
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struct HEADER_RECORD
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{
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ULONG _ulHeaderIndex;
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CHAR * _pszName;
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DWORD _cchName;
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};
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#define HEADER(x) x, sizeof(x) - sizeof(CHAR)
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//
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// *_HEADER_HASH maps strings to UlHeader* values
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//
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#define UNKNOWN_INDEX (0xFFFFFFFF)
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class REQUEST_HEADER_HASH
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: public CTypedHashTable< REQUEST_HEADER_HASH,
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HEADER_RECORD,
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CHAR * >
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{
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public:
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REQUEST_HEADER_HASH()
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: CTypedHashTable< REQUEST_HEADER_HASH,
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HEADER_RECORD,
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CHAR * >
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("REQUEST_HEADER_HASH")
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{
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}
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static
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CHAR *
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ExtractKey(
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const HEADER_RECORD * pRecord
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)
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{
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DBG_ASSERT( pRecord != NULL );
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return pRecord->_pszName;
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}
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static
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DWORD
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CalcKeyHash(
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CHAR * pszKey
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)
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{
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return HashStringNoCase( pszKey );
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}
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static
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bool
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EqualKeys(
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CHAR * pszKey1,
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CHAR * pszKey2
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)
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{
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return _stricmp( pszKey1, pszKey2 ) == 0;
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}
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static
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void
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AddRefRecord(
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HEADER_RECORD * pEntry,
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int nIncr
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)
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{
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}
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static
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HRESULT
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Initialize(
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VOID
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);
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static
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VOID
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Terminate(
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VOID
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);
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static
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ULONG
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GetIndex(
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CHAR * pszName
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)
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{
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HEADER_RECORD * pRecord = NULL;
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LK_RETCODE retCode;
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HRESULT hr;
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retCode = sm_pRequestHash->FindKey( pszName,
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&pRecord );
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if ( retCode == LK_SUCCESS )
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{
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DBG_ASSERT( pRecord != NULL );
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return pRecord->_ulHeaderIndex;
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}
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else
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{
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return UNKNOWN_INDEX;
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}
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}
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static
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CHAR *
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GetString(
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ULONG ulIndex,
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DWORD * pcchLength
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)
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{
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if ( ulIndex < HttpHeaderRequestMaximum )
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{
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*pcchLength = sm_rgHeaders[ ulIndex ]._cchName;
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return sm_rgHeaders[ ulIndex ]._pszName;
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}
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return NULL;
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}
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private:
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static REQUEST_HEADER_HASH *sm_pRequestHash;
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static HEADER_RECORD sm_rgHeaders[];
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};
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#endif
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