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RedHat 9 (Linux i386) - man page for netsnmp_table_data (redhat section 3)

table_data: Helps you implementable_data:aHelpsnyouoimplementga.table with datamatted storage.(3)

NAME
       table_data: Helps you implement a table with datamatted storage. - This helper helps you
       implement a table where all the indexes are expected to be stored within the agent itself
       and not in some external storage location.  More...

   Modules
       table_dataset: Helps you implement a table with automatted storage.
	   This handler helps you implement a table where all the data is expected to be stored
	   within the agent itself and not in some external storage location.

   Functions
       void netsnmp_table_data_generate_index_oid (netsnmp_table_row *row)
	   generates the index portion of an table oid from a varlist.
       int netsnmp_table_data_add_row (netsnmp_table_data *table, netsnmp_table_row *row)
	   Adds a row of data to a given table (stored in proper lexographical order).
       netsnmp_table_row * netsnmp_table_data_remove_row (netsnmp_table_data *table,
	   netsnmp_table_row *row)
	   removes a row of data to a given table and returns it (no free's called).
       void * netsnmp_table_data_delete_row (netsnmp_table_row *row)
	   deletes a row's memory.
       void * netsnmp_table_data_remove_and_delete_row (netsnmp_table_data *table,
	   netsnmp_table_row *row)
	   removes and frees a row of data to a given table and returns the void *.
       void netsnmp_table_data_replace_row (netsnmp_table_data *table, netsnmp_table_row
	   *origrow, netsnmp_table_row *newrow)
	   swaps out origrow with newrow.
       netsnmp_table_row * netsnmp_table_data_get (netsnmp_table_data *table,
	   netsnmp_variable_list *indexes)
	   finds the data in 'datalist' stored at 'indexes'.
       netsnmp_table_row * netsnmp_table_data_get_from_oid (netsnmp_table_data *table, oid
	   *searchfor, size_t searchfor_len)
	   finds the data in 'datalist' stored at the searchfor oid.
       netsnmp_mib_handler * netsnmp_get_table_data_handler (netsnmp_table_data *table)
	   Creates a table_data handler and returns it.
       int netsnmp_register_table_data (netsnmp_handler_registration *reginfo, netsnmp_table_data
	   *table, netsnmp_table_registration_info *table_info)
	   registers a handler as a data table.
       int netsnmp_register_read_only_table_data (netsnmp_handler_registration *reginfo,
	   netsnmp_table_data *table, netsnmp_table_registration_info *table_info)
	   registers a handler as a read-only data table If table_info != NULL, it registers it
	   as a normal table too.
       int netsnmp_table_data_helper_handler (netsnmp_mib_handler *handler,
	   netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *reqinfo,
	   netsnmp_request_info *requests)
	   The helper handler that takes care of passing a specific row of data down to the lower
	   handler(s).
       netsnmp_table_data * netsnmp_create_table_data (const char *name)
	   creates and returns a pointer to table data set.
       netsnmp_table_row * netsnmp_create_table_data_row (void)
	   creates and returns a pointer to table data set.
       netsnmp_table_row * netsnmp_extract_table_row (netsnmp_request_info *request)
	   extracts the row being accessed passed from the table_data helper.
       void * netsnmp_extract_table_row_data (netsnmp_request_info *request)
	   extracts the data from the row being accessed passed from the table_data helper.
       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)
	   builds a result given a row, a varbind to set and the data.
       netsnmp_table_row * netsnmp_table_data_clone_row (netsnmp_table_row *row)
	   clones a data row.

DETAILED DESCRIPTION
       This helper helps you implement a table where all the indexes are expected to be stored
       within the agent itself and not in some external storage location.

       It can be used to store a list of rows, where a row consists of the indexes to the table
       and a generic data pointer. You can then implement a subhandler which is passed the exact
       row definition and data it must return data for or accept data for. Complex GETNEXT
       handling is greatly simplified in this case.

FUNCTION DOCUMENTATION
   netsnmp_table_data* netsnmp_create_table_data (const char * name)
       creates and returns a pointer to table data set.

       Definition at line 482 of file table_data.c.

       Referenced by netsnmp_create_table_data_set().

   netsnmp_table_row* netsnmp_create_table_data_row (void)
       creates and returns a pointer to table data set.

       Examples:
	   data_set.c.

       Definition at line 492 of file table_data.c.

       Referenced by netsnmp_config_parse_add_row(), and
       netsnmp_table_data_set_create_row_from_defaults().

   netsnmp_table_row* netsnmp_extract_table_row (netsnmp_request_info * request)
       extracts the row being accessed passed from the table_data helper.

       Definition at line 500 of file table_data.c.

       Referenced by netsnmp_extract_table_row_data(), and
       netsnmp_table_data_set_helper_handler().

   void* netsnmp_extract_table_row_data (netsnmp_request_info * request)
       extracts the data from the row being accessed passed from the table_data helper.

       Definition at line 509 of file table_data.c.

       Referenced by netsnmp_extract_table_data_set_column().

   netsnmp_mib_handler* netsnmp_get_table_data_handler (netsnmp_table_data * table)
       Creates a table_data handler and returns it.

       Definition at line 236 of file table_data.c.

       Referenced by netsnmp_register_table_data().

   int netsnmp_register_read_only_table_data (netsnmp_handler_registration * reginfo,
       netsnmp_table_data * table, netsnmp_table_registration_info * table_info)
       registers a handler as a read-only data table If table_info != NULL, it registers it as a
       normal table too.

       Definition at line 269 of file table_data.c.

   int netsnmp_register_table_data (netsnmp_handler_registration * reginfo, netsnmp_table_data *
       table, netsnmp_table_registration_info * table_info)
       registers a handler as a data table.

       If table_info != NULL, it registers it as a normal table too.

       Definition at line 258 of file table_data.c.

       Referenced by netsnmp_register_read_only_table_data(), and
       netsnmp_register_table_data_set().

   int netsnmp_table_data_add_row (netsnmp_table_data * table, netsnmp_table_row * row)
       Adds a row of data to a given table (stored in proper lexographical order).

       returns SNMPERR_SUCCESS on successful addition. or SNMPERR_GENERR on failure (E.G.,
       indexes already existed)

       Definition at line 51 of file table_data.c.

       Referenced by netsnmp_config_parse_add_row(), netsnmp_table_data_replace_row(), and
       netsnmp_table_dataset_add_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)
       builds a result given a row, a varbind to set and the data.

       Definition at line 521 of file table_data.c.

       Referenced by netsnmp_table_data_set_helper_handler().

   netsnmp_table_row* netsnmp_table_data_clone_row (netsnmp_table_row * row)
       clones a data row.

       DOES NOT CLONE THE CONTAINED DATA.

       Definition at line 555 of file table_data.c.

       Referenced by netsnmp_table_data_set_clone_row().

   void* netsnmp_table_data_delete_row (netsnmp_table_row * row)
       deletes a row's memory.

       returns the void data that it doesn't know how to delete.

       Definition at line 150 of file table_data.c.

       Referenced by netsnmp_table_data_remove_and_delete_row(), and
       netsnmp_table_dataset_delete_row().

   void netsnmp_table_data_generate_index_oid (netsnmp_table_row * row)
       generates the index portion of an table oid from a varlist.

       Definition at line 39 of file table_data.c.

       Referenced by netsnmp_table_data_add_row().

   netsnmp_table_row* netsnmp_table_data_get (netsnmp_table_data * table, netsnmp_variable_list *
       indexes)
       finds the data in 'datalist' stored at 'indexes'.

       Definition at line 204 of file table_data.c.

   netsnmp_table_row* netsnmp_table_data_get_from_oid (netsnmp_table_data * table, oid *
       searchfor, size_t searchfor_len)
       finds the data in 'datalist' stored at the searchfor oid.

       Definition at line 218 of file table_data.c.

       Referenced by netsnmp_table_data_get(), and netsnmp_table_data_helper_handler().

   int netsnmp_table_data_helper_handler (netsnmp_mib_handler * handler,
       netsnmp_handler_registration * reginfo, netsnmp_agent_request_info * reqinfo,
       netsnmp_request_info * requests)
       The helper handler that takes care of passing a specific row of data down to the lower
       handler(s).

       It sets request->processed if the request should not be handled.

       Definition at line 285 of file table_data.c.

   void* netsnmp_table_data_remove_and_delete_row (netsnmp_table_data * table, netsnmp_table_row
       * row)
       removes and frees a row of data to a given table and returns the void *.

       returns the void * data on successful deletion. or NULL on failure (bad arguments)

       Definition at line 179 of file table_data.c.

       Referenced by netsnmp_table_dataset_remove_and_delete_row(), and
       netsnmp_table_dataset_remove_row().

   netsnmp_table_row* netsnmp_table_data_remove_row (netsnmp_table_data * table,
       netsnmp_table_row * row)
       removes a row of data to a given table and returns it (no free's called).

       returns the row pointer itself on successful removing. or NULL on failure (bad arguments)

       Definition at line 130 of file table_data.c.

       Referenced by netsnmp_table_data_remove_and_delete_row(), and
       netsnmp_table_data_replace_row().

   void netsnmp_table_data_replace_row (netsnmp_table_data * table, netsnmp_table_row * origrow,
       netsnmp_table_row * newrow) [inline]
       swaps out origrow with newrow.

       This does *not* delete/free anything!

       Definition at line 194 of file table_data.c.

       Referenced by netsnmp_table_dataset_replace_row().

net-snmp		      table_data: Helpscyou0implement a table with datamatted storage.(3)


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