factory.h
上传用户:wxp200602
上传日期:2007-10-30
资源大小:4028k
文件大小:2k
- #ifndef NETSNMP_FACTORY_H
- #define NETSNMP_FACTORY_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- typedef void * (netsnmp_factory_produce_f)(void);
- typedef int (netsnmp_factory_produce_noalloc_f)(void *);
- typedef struct netsnmp_factory_s {
- /*
- * a string describing the product the factory creates
- */
- const char *product;
- /*
- * a function to create an object in newly allcoated memory
- */
- netsnmp_factory_produce_f *produce;
- /*
- * a function to create an object in previously allcoated memory
- */
- netsnmp_factory_produce_noalloc_f *produce_noalloc;
- } netsnmp_factory;
- /*
- * init factory registry
- */
- void netsnmp_factory_init(void);
- /*
- * register a factory type
- */
- int netsnmp_factory_register(netsnmp_factory *f);
- /*
- * get a factory
- */
- netsnmp_factory* netsnmp_factory_get(const char* product);
- /*
- * ask a factory to produce an object
- */
- void * netsnmp_factory_produce(const char* product);
- /*
- * ask a factory to produce an object in the provided memory
- */
- int netsnmp_factory_produce_noalloc(const char *product, void *memory);
- /*
- * factory return codes
- */
- enum {
- FACTORY_NOERROR = 0,
- FACTORY_EXISTS,
- FACTORY_NOTFOUND,
- FACTORY_NOMEMORY,
- FACTORY_GENERR,
- FACTORY_MAXIMUM_ERROR
- };
- #ifdef __cplusplus
- }
- #endif
- #endif /* NETSNMP_FACTORY_H */