/usr/include/net-snmp/agent/table_array.h is in libsnmp-dev 5.4.3~dfsg-2.4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* table_array.h
* $Id: table_array.h 12757 2005-09-12 15:24:16Z dts12 $
*/
#ifndef _TABLE_ARRAY_HANDLER_H_
#define _TABLE_ARRAY_HANDLER_H_
#ifdef __cplusplus
extern "C" {
#endif
/*
* The table array helper is designed to simplify the task of
* writing a table handler for the net-snmp agent when the data being
* accessed is in an oid sorted form and must be accessed externally.
*
* Functionally, it is a specialized version of the more
* generic table helper but easies the burden of GETNEXT processing by
* retrieving the appropriate row for ead index through
* function calls which should be supplied by the module that wishes
* help. The module the table_array helps should, afterwards,
* never be called for the case of "MODE_GETNEXT" and only for the GET
* and SET related modes instead.
*/
#include <net-snmp/library/container.h>
#include <net-snmp/agent/table.h>
#define TABLE_ARRAY_NAME "table_array"
/*
* group_item is to allow us to keep a list of requests without
* disrupting the actual netsnmp_request_info list.
*/
typedef struct netsnmp_request_group_item_s {
netsnmp_request_info *ri;
netsnmp_table_request_info *tri;
struct netsnmp_request_group_item_s *next;
} netsnmp_request_group_item;
/*
* structure to keep a list of requests for each unique index
*/
typedef struct netsnmp_request_group_s {
/*
* index for this row. points to someone else's memory, so
* don't free it!
*/
netsnmp_index index;
/*
* container in which rows belong
*/
netsnmp_container *table;
/*
* actual old and new rows
*/
netsnmp_index *existing_row;
netsnmp_index *undo_info;
/*
* flags
*/
char row_created;
char row_deleted;
char fill1;
char fill2;
/*
* requests for this row
*/
netsnmp_request_group_item *list;
int status;
void *rg_void;
} netsnmp_request_group;
typedef int (Netsnmp_User_Row_Operation_c) (const void *lhs,
const void *rhs);
typedef int (Netsnmp_User_Row_Operation) (void *lhs, void *rhs);
typedef int (Netsnmp_User_Get_Processor) (netsnmp_request_info *,
netsnmp_index
*,
netsnmp_table_request_info
*);
typedef netsnmp_index
*(UserRowMethod) (netsnmp_index *);
typedef int (Netsnmp_User_Row_Action) (netsnmp_index *,
netsnmp_index *,
netsnmp_request_group *);
typedef void (Netsnmp_User_Group_Method) (netsnmp_request_group *);
/*
* structure for array callbacks
*/
typedef struct netsnmp_table_array_callbacks_s {
Netsnmp_User_Row_Operation *row_copy;
Netsnmp_User_Row_Operation_c *row_compare;
Netsnmp_User_Get_Processor *get_value;
Netsnmp_User_Row_Action *can_activate;
Netsnmp_User_Row_Action *activated;
Netsnmp_User_Row_Action *can_deactivate;
Netsnmp_User_Row_Action *deactivated;
Netsnmp_User_Row_Action *can_delete;
UserRowMethod *create_row;
UserRowMethod *duplicate_row;
UserRowMethod *delete_row; /* always returns NULL */
Netsnmp_User_Group_Method *set_reserve1;
Netsnmp_User_Group_Method *set_reserve2;
Netsnmp_User_Group_Method *set_action;
Netsnmp_User_Group_Method *set_commit;
Netsnmp_User_Group_Method *set_free;
Netsnmp_User_Group_Method *set_undo;
/** not callbacks, but this is a useful place for them... */
netsnmp_container* container;
char can_set;
} netsnmp_table_array_callbacks;
int
netsnmp_table_container_register(netsnmp_handler_registration *reginfo,
netsnmp_table_registration_info
*tabreq,
netsnmp_table_array_callbacks *cb,
netsnmp_container *container,
int group_rows);
int netsnmp_table_array_register(netsnmp_handler_registration *reginfo,
netsnmp_table_registration_info *tabreq,
netsnmp_table_array_callbacks *cb,
netsnmp_container *container,
int group_rows);
netsnmp_container * netsnmp_extract_array_context(netsnmp_request_info *);
Netsnmp_Node_Handler netsnmp_table_array_helper_handler;
int
netsnmp_table_array_check_row_status(netsnmp_table_array_callbacks *cb,
netsnmp_request_group *ag,
long *rs_new, long *rs_old);
#ifdef __cplusplus
}
#endif
#endif /* _TABLE_ARRAY_HANDLER_H_ */
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