#ifndef _SNMP_TABLE_H
#define _SNMP_TABLE_H

#define MAX_COLUMNAR_OF_TABLE		48

typedef struct table_index {
	u8 len;
	u32 oid[32];
} table_index;

/* Get an exist instance from the inclusive one pointed to by address 'instance' */
typedef int (*table_get_instance)(u32 *instance);
typedef int (*table_get_resp)(u32 column, u32 *instance, u8 *pdata, u8 *vartype);
typedef int (*table_set_resp)(u32 column, u32 *instance, u8 *pdata, u16 datalen);

struct snmp_table_profile {
	char name[32];
	table_index index;		/* oid of table with entry exclusive */
	u32 column[MAX_COLUMNAR_OF_TABLE];		/* define all columns of a table, use '0' indicating the end */
	u8 level;				/* level of instance in order to identify a row */
	table_get_instance get_instance;
	table_get_resp get_resp;
	table_set_resp set_resp;
};

struct snmp_register {
	char name[32];
	u8 prefix_len;		/* Module prefix len */
	u32 prefix_oid[32];	/* Module prefix oid */
	u8 num_of_table;	/* how many tables being registered, such tables is pointed to by address 'table' */
	struct snmp_table_profile *table;
	
	/* In case no table is matched, default callback function is invoked if it is not NULL. Hence, 
	    you can implement get/set in much the same way before, i.e. traveling all branches of MIB  */
	getcall default_get_resp;
	setcall default_set_resp;
};

extern int register_snmp_table(struct snmp_register *reg);

#endif