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- /*
- * table_iterator.h
- */
- #ifndef _TABLE_DATA_HANDLER_H_
- #define _TABLE_DATA_HANDLER_H_
- #ifdef __cplusplus
- extern "C" {
- #endif
- /*
- * This helper is designed to completely automate the task of storing
- * tables of data within the agent that are not tied to external data
- * sources (like the kernel, hardware, or other processes, etc). IE,
- * all rows within a table are expected to be added manually using
- * functions found below.
- */
- #define TABLE_DATA_NAME "table_data"
- #define TABLE_DATA_ROW "table_data"
- #define TABLE_DATA_TABLE "table_data_table"
- typedef struct netsnmp_table_row_s {
- netsnmp_variable_list *indexes; /* stored permanently if store_indexes = 1 */
- oid *index_oid;
- size_t index_oid_len;
- void *data; /* the data to store */
- struct netsnmp_table_row_s *next, *prev; /* if used in a list */
- } netsnmp_table_row;
- typedef struct netsnmp_table_data_s {
- netsnmp_variable_list *indexes_template; /* containing only types */
- char *name; /* if !NULL, it's registered globally */
- int flags; /* not currently used */
- int store_indexes;
- netsnmp_table_row *first_row;
- netsnmp_table_row *last_row;
- } netsnmp_table_data;
- /* =================================
- * Table Data API: Table maintenance
- * ================================= */
- void netsnmp_table_data_generate_index_oid( netsnmp_table_row *row);
- netsnmp_table_data *netsnmp_create_table_data(const char *name);
- netsnmp_table_row *netsnmp_create_table_data_row(void);
- netsnmp_table_row *netsnmp_table_data_clone_row( netsnmp_table_row *row);
- void *netsnmp_table_data_delete_row(netsnmp_table_row *row);
- int netsnmp_table_data_add_row( netsnmp_table_data *table,
- netsnmp_table_row *row);
- void
- netsnmp_table_data_replace_row(netsnmp_table_data *table,
- netsnmp_table_row *origrow,
- netsnmp_table_row *newrow);
- netsnmp_table_row *netsnmp_table_data_remove_row(netsnmp_table_data *table,
- netsnmp_table_row *row);
- void *netsnmp_table_data_remove_and_delete_row(netsnmp_table_data *table,
- netsnmp_table_row *row);
- void netsnmp_table_data_delete_table( netsnmp_table_data *table );
- /* =================================
- * Table Data API: MIB maintenance
- * ================================= */
- netsnmp_mib_handler *
- netsnmp_get_table_data_handler(netsnmp_table_data *table);
- int netsnmp_register_table_data(netsnmp_handler_registration *reginfo,
- netsnmp_table_data *table,
- netsnmp_table_registration_info *table_info);
- int netsnmp_register_read_only_table_data(
- netsnmp_handler_registration *reginfo,
- netsnmp_table_data *table,
- netsnmp_table_registration_info *table_info);
- Netsnmp_Node_Handler netsnmp_table_data_helper_handler;
- netsnmp_table_data *netsnmp_extract_table( netsnmp_request_info *);
- netsnmp_table_row *netsnmp_extract_table_row(netsnmp_request_info *);
- void *netsnmp_extract_table_row_data(netsnmp_request_info *);
- void netsnmp_insert_table_row(netsnmp_request_info *, netsnmp_table_row *);
- int netsnmp_table_data_build_result(netsnmp_handler_registration *reginfo,
- netsnmp_agent_request_info *reqinfo,
- netsnmp_request_info *request,
- netsnmp_table_row *row, int column,
- u_char type, u_char * result_data,
- size_t result_data_len);
- /* =================================
- * Table Data API: Row operations
- * ================================= */
- netsnmp_table_row *netsnmp_table_data_get_first_row(
- netsnmp_table_data *table);
- netsnmp_table_row *netsnmp_table_data_get_next_row(
- netsnmp_table_data *table,
- netsnmp_table_row *row);
- netsnmp_table_row *netsnmp_table_data_get(netsnmp_table_data *table,
- netsnmp_variable_list *indexes);
- netsnmp_table_row *netsnmp_table_data_get_from_oid(
- netsnmp_table_data *table,
- oid * searchfor,
- size_t searchfor_len);
- int netsnmp_table_data_num_rows(netsnmp_table_data *table);
- /* =================================
- * Table Data API: Index operations
- * ================================= */
- #define netsnmp_table_data_add_index(thetable, type) snmp_varlist_add_variable(&thetable->indexes_template, NULL, 0, type, NULL, 0)
- #define netsnmp_table_row_add_index(row, type, value, value_len) snmp_varlist_add_variable(&row->indexes, NULL, 0, type, (const u_char *) value, value_len)
- #ifdef __cplusplus
- }
- #endif
- #endif /* _TABLE_DATA_HANDLER_H_ */
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