
/*
 * $Id: mem_node.h,v 1.10.2.1 2008/02/25 02:45:50 amosjeffries Exp $
 *
 *
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 */

#ifndef SQUID_MEM_NODE_H
#define SQUID_MEM_NODE_H

#include "StoreIOBuffer.h"
#include "Range.h"

class mem_node
{

public:
    static size_t InUseCount();
    static size_t StoreMemSize();

    MEMPROXY_CLASS(mem_node);
    mem_node(int64_t);
    ~mem_node();
    size_t space() const;
    int64_t start() const;
    int64_t end() const;
    Range<int64_t> dataRange() const;
    bool contains (int64_t const &location) const;
    bool canAccept (int64_t const &location) const;
    bool operator < (mem_node const & rhs) const;
    /* public */
    StoreIOBuffer nodeBuffer;
    /* Private */
    char data[SM_PAGE_SIZE];

unsigned int write_pending:
    1;
};

MEMPROXY_CLASS_INLINE(mem_node)

inline std::ostream &
operator << (std::ostream &os, mem_node &aNode)
{
    os << aNode.nodeBuffer.range();
    return os;
}

void memNodeWriteComplete(void *);

#endif /* SQUID_MEM_NODE_H */
