windows-nt/Source/XPSP1/NT/inetsrv/iis/lkrhash/samples/minfan/minfan.h

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2020-09-26 03:20:57 -05:00
#include <lkrhash.h>
#ifndef __LKRHASH_NO_NAMESPACE__
using namespace LKRhash;
#endif // __LKRHASH_NO_NAMESPACE__
#ifndef __HASHFN_NO_NAMESPACE__
using namespace HashFn;
#endif // __HASHFN_NO_NAMESPACE__
class VwrecordBase
{
public:
VwrecordBase(const char* pszKey, int i)
{
Key = new char[strlen(pszKey) + 1];
strcpy(Key, pszKey);
m_num = i;
cRef = 0;
}
virtual ~VwrecordBase()
{
// printf("~VwrecordBase: %s\n", Key);
delete [] Key;
}
char* getKey() const { return Key; }
void AddRefRecord(LK_ADDREF_REASON lkar) const
{
if (lkar > 0)
InterlockedIncrement(&cRef);
else if (InterlockedDecrement(&cRef) == 0)
delete this;
}
private:
char* Key;
int m_num;
mutable long cRef;
};
class CWcharHashTable
: public CTypedHashTable<CWcharHashTable, const VwrecordBase, char*>
{
public:
CWcharHashTable()
: CTypedHashTable<CWcharHashTable, const VwrecordBase, char*>("VWtest")
{}
static char*
ExtractKey(const VwrecordBase* pRecord)
{
return pRecord->getKey();
}
static DWORD
CalcKeyHash(const char* pszKey)
{
return HashString(pszKey);
}
static bool
EqualKeys(const char* pszKey1, const char* pszKey2)
{
return (strcmp(pszKey1, pszKey2) == 0);
}
static void
AddRefRecord(const VwrecordBase* pRecord, LK_ADDREF_REASON lkar)
{
pRecord->AddRefRecord(lkar);
}
};