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xr/ipstore/ipstore

 

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#ifndef _IPSTORE_

 

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#define _IPSTORE_

 

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#include "sys/sys"

 

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#include "config/config"

 

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#include "timestamp/timestamp"

 

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#include "balancer/balancer"

 

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#include "ThreadsAndMutexes/mutex/mutex"

 

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class IPStore {

 

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public:

 

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    struct ClientData {

 

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        int targetbackend;

 

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        time_t lastaccess;

 

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    };

 

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    struct ClientDataCmp {

 

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        bool operator() (struct in_addr a, struct in_addr b) const {

 

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            long la, lb;

 

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            memcpy (&la, &a, sizeof(long));

 

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            memcpy (&lb, &b, sizeof(long));

 

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            return (la - lb) < 0;

 

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        }

 

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    };

 

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    typedef  map<struct in_addr, ClientData, ClientDataCmp> StoreMap;

 

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    static int target(struct in_addr clientip);

 

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    static void activity(struct in_addr clientip, unsigned curbackend);

 

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    static unsigned anticipated(unsigned bckend);

 

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    static void clear(struct in_addr clientip);

 

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    static void clearoldest();

 

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    static void on()            { onoff = true; }

 

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    static void off()           { onoff = false; }

 

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private:

 

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    static void dump();

 

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    static void weed();

 

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    static StoreMap store;

 

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    static bool onoff;

 

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};

 

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#endif

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