X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=userapps%2Fopensource%2Fnet-snmp%2Finclude%2Fnet-snmp%2Fagent%2Ftable_data.h;fp=userapps%2Fopensource%2Fnet-snmp%2Finclude%2Fnet-snmp%2Fagent%2Ftable_data.h;h=8fed9909bf9eb01c1ffc40708dcb81f6eae82b5d;hb=9dffd9f7659a1b28265e0dc9497343eb3d108d02;hp=0000000000000000000000000000000000000000;hpb=e48c2529a5a7e7dbf1797bb6d1bf964bc03e78a7;p=bcm963xx.git diff --git a/userapps/opensource/net-snmp/include/net-snmp/agent/table_data.h b/userapps/opensource/net-snmp/include/net-snmp/agent/table_data.h new file mode 100644 index 00000000..8fed9909 --- /dev/null +++ b/userapps/opensource/net-snmp/include/net-snmp/agent/table_data.h @@ -0,0 +1,110 @@ +/* + * 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" + + 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_data; + + netsnmp_mib_handler *netsnmp_get_table_data_handler(netsnmp_table_data + *table); + void netsnmp_table_data_generate_index_oid(netsnmp_table_row + *row); + int netsnmp_table_data_add_row(netsnmp_table_data *table, + netsnmp_table_row *row); + netsnmp_table_row *netsnmp_table_data_remove_row(netsnmp_table_data + *table, + netsnmp_table_row + *row); + void *netsnmp_table_data_delete_row(netsnmp_table_row *row); + void + *netsnmp_table_data_remove_and_delete_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_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_table_row *netsnmp_extract_table_row(netsnmp_request_info *); + void *netsnmp_extract_table_row_data(netsnmp_request_info *); + 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); + NETSNMP_INLINE void netsnmp_table_data_replace_row(netsnmp_table_data + *table, + netsnmp_table_row + *origrow, + netsnmp_table_row + *newrow); + + 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); + + +#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) + + + Netsnmp_Node_Handler netsnmp_table_data_helper_handler; + +#ifdef __cplusplus +}; +#endif + +#endif /* _TABLE_DATA_HANDLER_H_ */