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#ifndef __OBJCLASS_H
#define __OBJCLASS_H
#ifdef __cplusplus
#include "../include/types.h"
extern "C" {
#endif
#define CLS_VER(maj,min) \
int __cls_ver__## maj ## _ ##min = 0;
#define CLS_NAME(name) \
int __cls_name__## name = 0;
#define CLS_METHOD_RD 0x1
#define CLS_METHOD_WR 0x2
typedef void *cls_handle_t;
typedef void *cls_method_handle_t;
typedef void *cls_method_context_t;
typedef int (*cls_method_call_t)(cls_method_context_t ctx,
char *indata, int datalen,
char **outdata, int *outdatalen);
typedef struct {
const char *name;
const char *ver;
} cls_deps_t;
/* class utils */
extern int cls_log(const char *format, ...);
extern void *cls_alloc(size_t size);
extern void cls_free(void *p);
extern int cls_read(cls_method_context_t hctx, int ofs, int len,
char **outdata, int *outdatalen);
extern int cls_call(cls_method_context_t hctx, const char *cls, const char *method,
char *indata, int datalen,
char **outdata, int *outdatalen);
extern int cls_getxattr(cls_method_context_t hctx, const char *name,
char **outdata, int *outdatalen);
extern int cls_setxattr(cls_method_context_t hctx, const char *name,
const char *value, int val_len);
/* class registration api */
extern int cls_register(const char *name, cls_handle_t *handle);
extern int cls_unregister(cls_handle_t);
extern int cls_register_method(cls_handle_t hclass, const char *method, int flags,
cls_method_call_t class_call, cls_method_handle_t *handle);
extern int cls_unregister_method(cls_method_handle_t handle);
/* triggers */
#define OBJ_READ 0x1
#define OBJ_WRITE 0x2
typedef int cls_trigger_t;
extern int cls_link(cls_method_handle_t handle, int priority, cls_trigger_t trigger);
extern int cls_unlink(cls_method_handle_t handle);
/* should be defined by the class implementation
defined here inorder to get it compiled without C++ mangling */
extern void class_init(void);
extern void class_fini(void);
#ifdef __cplusplus
}
typedef int (*cls_method_cxx_call_t)(cls_method_context_t ctx,
class buffer::list *inbl, class buffer::list *outbl);
extern int cls_register_cxx_method(cls_handle_t hclass, const char *method, int flags,
cls_method_cxx_call_t class_call, cls_method_handle_t *handle);
extern int cls_cxx_read(cls_method_context_t hctx, int ofs, int len, bufferlist *bl);
extern int cls_cxx_write(cls_method_context_t hctx, int ofs, int len, bufferlist *bl);
extern int cls_cxx_replace(cls_method_context_t hctx, int ofs, int len, bufferlist *bl);
#endif
#endif
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