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Viewing changes to include/net-snmp/agent/cache_handler.h

  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2004-09-13 12:06:21 UTC
  • Revision ID: james.westby@ubuntu.com-20040913120621-g952ntonlleihcvm
Tags: upstream-5.1.1
Import upstream version 5.1.1

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include/net-snmp/agent/cache_handler.h
 
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#ifndef NETSNMP_CACHE_HANDLER_H
 
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#define NETSNMP_CACHE_HANDLER_H
 
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/*
 
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 * This caching helper provides a generalised (SNMP-manageable) caching
 
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 * mechanism.  Individual SNMP table and scalar/scalar group MIB
 
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 * implementations can use data caching in a consistent manner, without
 
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 * needing to handle the generic caching details themselves.
 
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 */
 
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#include <net-snmp/library/tools.h>
 
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#ifdef __cplusplus
 
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extern          "C" {
 
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#endif
 
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#define CACHE_NAME "cache_info"
 
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    typedef struct netsnmp_cache_s netsnmp_cache;
 
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    typedef int  (NetsnmpCacheLoad)(netsnmp_cache *, void*);
 
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    typedef void (NetsnmpCacheFree)(netsnmp_cache *, void*);
 
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    struct netsnmp_cache_s {
 
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        /*
 
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         * For operation of the data caches
 
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         */
 
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        int      enabled;
 
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        int      valid;
 
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        int      timeout;       /* Length of time the cache is valid (in s) */
 
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        marker_t timestamp;     /* When the cache was last loaded */
 
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        NetsnmpCacheLoad *load_cache;
 
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        NetsnmpCacheFree *free_cache;
 
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        void             *magic;        /* You never know when it might
 
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                                                     not come in useful .... */
 
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        /*
 
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         * For SNMP-management of the data caches
 
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         */
 
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        netsnmp_cache *next, *prev;
 
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        oid *rootoid;
 
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        int  rootoid_len;
 
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    };
 
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    netsnmp_cache* netsnmp_extract_cache_info(netsnmp_agent_request_info *);
 
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    int            netsnmp_is_cache_valid(    netsnmp_agent_request_info *);
 
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    netsnmp_mib_handler *netsnmp_get_cache_handler(int, NetsnmpCacheLoad *,
 
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                                                        NetsnmpCacheFree *,
 
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                                                        oid*, int);
 
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    int   netsnmp_register_cache_handler(netsnmp_handler_registration *reginfo,
 
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                                         int, NetsnmpCacheLoad *,
 
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                                              NetsnmpCacheFree *);
 
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    Netsnmp_Node_Handler netsnmp_cache_helper_handler;
 
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#ifdef __cplusplus
 
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};
 
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#endif
 
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#endif /* NETSNMP_CACHE_HANDLER_H */