/*
* Note: this file originally auto-generated by mib2c using
* version : 1.17 $ of : mfd-data-access.m2c,v $
*
* $Id$
*/
/*
* standard Net-SNMP includes
*/
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-features.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
/*
* include our parent header
*/
#include "ipAddressPrefixTable.h"
#include "ipAddressPrefixTable_data_access.h"
#include "ip-mib/ipAddressTable/ipAddressTable.h"
netsnmp_feature_require(ipAddressTable_container_get)
netsnmp_feature_require(ipaddress_common_copy_utilities)
netsnmp_feature_require(ipaddress_prefix_copy)
/** @ingroup interface
* @addtogroup data_access data_access: Routines to access data
*
* These routines are used to locate the data used to satisfy
* requests.
*
* @{
*/
/**********************************************************************
**********************************************************************
***
*** Table ipAddressPrefixTable
***
**********************************************************************
**********************************************************************/
/*
* IP-MIB::ipAddressPrefixTable is subid 32 of ip.
* Its status is Current.
* OID: .1.3.6.1.2.1.4.32, length: 8
*/
/**
* initialization for ipAddressPrefixTable data access
*
* This function is called during startup to allow you to
* allocate any resources you need for the data table.
*
* @param ipAddressPrefixTable_reg
* Pointer to ipAddressPrefixTable_registration
*
* @retval MFD_SUCCESS : success.
* @retval MFD_ERROR : unrecoverable error.
*/
int
ipAddressPrefixTable_init_data(ipAddressPrefixTable_registration *
ipAddressPrefixTable_reg)
{
DEBUGMSGTL(("verbose:ipAddressPrefixTable:ipAddressPrefixTable_init_data", "called\n"));
/*
* TODO:303:o: Initialize ipAddressPrefixTable data.
*/
return MFD_SUCCESS;
} /* ipAddressPrefixTable_init_data */
/**
* container overview
*
*/
/**
* container initialization
*
* @param container_ptr_ptr A pointer to a container pointer. If you
* create a custom container, use this parameter to return it
* to the MFD helper. If set to NULL, the MFD helper will
* allocate a container for you.
* @param cache A pointer to a cache structure. You can set the timeout
* and other cache flags using this pointer.
*
* This function is called at startup to allow you to customize certain
* aspects of the access method. For the most part, it is for advanced
* users. The default code should suffice for most cases. If no custom
* container is allocated, the MFD code will create one for your.
*
* This is also the place to set up cache behavior. The default, to
* simply set the cache timeout, will work well with the default
* container. If you are using a custom container, you may want to
* look at the cache helper documentation to see if there are any
* flags you want to set.
*
* @remark
* This would also be a good place to do any initialization needed
* for you data source. For example, opening a connection to another
* process that will supply the data, opening a database, etc.
*/
void
ipAddressPrefixTable_container_init(netsnmp_container **container_ptr_ptr,
netsnmp_cache * cache)
{
DEBUGMSGTL(("verbose:ipAddressPrefixTable:ipAddressPrefixTable_container_init", "called\n"));
if (NULL == container_ptr_ptr) {
snmp_log(LOG_ERR,
"bad container param to ipAddressPrefixTable_container_init\n");
return;
}
/*
* For advanced users, you can use a custom container. If you
* do not create one, one will be created for you.
*/
*container_ptr_ptr = NULL;
if (NULL == cache) {
snmp_log(LOG_ERR,
"bad cache param to ipAddressPrefixTable_container_init\n");
return;
}
/*
* TODO:345:A: Set up ipAddressPrefixTable cache properties.
*
* Also for advanced users, you can set parameters for the
* cache. Do not change the magic pointer, as it is used
* by the MFD helper. To completely disable caching, set
* cache->enabled to 0.
*/
cache->timeout = IPADDRESSPREFIXTABLE_CACHE_TIMEOUT; /* seconds */
} /* ipAddressPrefixTable_container_init */
/**
* container shutdown
*
* @param container_ptr A pointer to the container.
*
* This function is called at shutdown to allow you to customize certain
* aspects of the access method. For the most part, it is for advanced
* users. The default code should suffice for most cases.
*
* This function is called before ipAddressPrefixTable_container_free().
*
* @remark
* This would also be a good place to do any cleanup needed
* for you data source. For example, closing a connection to another
* process that supplied the data, closing a database, etc.
*/
void
ipAddressPrefixTable_container_shutdown(netsnmp_container *container_ptr)
{
DEBUGMSGTL(("verbose:ipAddressPrefixTable:ipAddressPrefixTable_container_shutdown", "called\n"));
if (NULL == container_ptr) {
snmp_log(LOG_ERR,
"bad params to ipAddressPrefixTable_container_shutdown\n");
return;
}
} /* ipAddressPrefixTable_container_shutdown */
/**
* load initial data
*
* TODO:350:M: Implement ipAddressPrefixTable data load
* This function will also be called by the cache helper to load
* the container again (after the container free function has been
* called to free the previous contents).
*
* @param container container to which items should be inserted
*
* @retval MFD_SUCCESS : success.
* @retval MFD_RESOURCE_UNAVAILABLE : Can't access data source
* @retval MFD_ERROR : other error.
*
* This function is called to load the index(es) (and data, optionally)
* for the every row in the data set.
*
* @remark
* While loading the data, the only important thing is the indexes.
* If access to your data is cheap/fast (e.g. you have a pointer to a
* structure in memory), it would make sense to update the data here.
* If, however, the accessing the data invovles more work (e.g. parsing
* some other existing data, or peforming calculations to derive the data),
* then you can limit yourself to setting the indexes and saving any
* information you will need later. Then use the saved information in
* ipAddressPrefixTable_row_prep() for populating data.
*
* @note
* If you need consistency between rows (like you want statistics
* for each row to be from the same time frame), you should set all
* data here.
*
*/
int
ipAddressPrefixTable_container_load(netsnmp_container *container)
{
ipAddressPrefixTable_rowreq_ctx *rowreq_ctx = NULL, *tmp_rowreq_ctx;
ipAddressTable_rowreq_ctx *addr_rowreq_ctx;
netsnmp_container *addr_container;
netsnmp_iterator *addr_it;
int count = 0;
u_char tmp_pfx[NETSNMP_ACCESS_IPADDRESS_BUF_SIZE];
DEBUGMSGTL(("verbose:ipAddressPrefixTable:ipAddressPrefixTable_container_load", "called\n"));
addr_container = ipAddressTable_container_get();
if (NULL == addr_container) {
DEBUGMSGTL(("ipAddressPrefixTable:container_load",
"couldn't get ipAddress container\n"));
return MFD_RESOURCE_UNAVAILABLE;
}
addr_it = CONTAINER_ITERATOR(addr_container);
if (NULL == addr_container) {
DEBUGMSGTL(("ipAddressPrefixTable:container_load",
"couldn't get ipAddress iterator\n"));
return MFD_RESOURCE_UNAVAILABLE;
}
/*
* TODO:351:M: |-> Load/update data in the ipAddressPrefixTable container.
* loop over your ipAddressPrefixTable data, allocate a rowreq context,
* set the index(es) [and data, optionally] and insert into
* the container.
*/
for (addr_rowreq_ctx = ITERATOR_FIRST(addr_it);
addr_rowreq_ctx; addr_rowreq_ctx = ITERATOR_NEXT(addr_it)) {
/*
* TODO:352:M: | |-> set indexes in new ipAddressPrefixTable rowreq context.
* data context will be set from the param (unless NULL,
* in which case a new data context will be allocated)
*/
if (NULL == rowreq_ctx) {
rowreq_ctx = ipAddressPrefixTable_allocate_rowreq_ctx(NULL);
if (NULL == rowreq_ctx) {
snmp_log(LOG_ERR, "memory allocation failed\n");
return MFD_RESOURCE_UNAVAILABLE;
}
}
netsnmp_ipaddress_prefix_copy(tmp_pfx,
addr_rowreq_ctx->tbl_idx.
ipAddressAddr,
addr_rowreq_ctx->data->
ia_address_len,
addr_rowreq_ctx->data->
ia_prefix_len);
netsnmp_ipaddress_flags_copy(&rowreq_ctx->data.
ipAddressPrefixAdvPreferredLifetime,
&rowreq_ctx->data.
ipAddressPrefixAdvValidLifetime,
&rowreq_ctx->data.
ipAddressPrefixOnLinkFlag,
&rowreq_ctx->data.
ipAddressPrefixAutonomousFlag,
&addr_rowreq_ctx->data->
ia_prefered_lifetime,
&addr_rowreq_ctx->data->
ia_valid_lifetime,
&addr_rowreq_ctx->data->
ia_onlink_flag,
&addr_rowreq_ctx->data->
ia_autonomous_flag);
if (MFD_SUCCESS !=
ipAddressPrefixTable_indexes_set(rowreq_ctx,
addr_rowreq_ctx->data->
if_index,
addr_rowreq_ctx->tbl_idx.
ipAddressAddrType, tmp_pfx,
addr_rowreq_ctx->data->
ia_address_len,
addr_rowreq_ctx->data->
ia_prefix_len)) {
snmp_log(LOG_ERR,
"error setting index while loading "
"ipAddressPrefixTable data.\n");
ipAddressPrefixTable_release_rowreq_ctx(rowreq_ctx);
rowreq_ctx = NULL;
continue;
}
/** do we already have this prefix? */
tmp_rowreq_ctx = CONTAINER_FIND(container, rowreq_ctx);
if (NULL != tmp_rowreq_ctx)
continue;
/*
* TODO:352:r: | |-> populate ipAddressPrefixTable data context.
* Populate data context here. (optionally, delay until row prep)
*/
netsnmp_ipaddress_prefix_origin_copy(&rowreq_ctx->data.
ipAddressPrefixOrigin,
addr_rowreq_ctx->data->
ia_origin,
addr_rowreq_ctx->data->
flags,
addr_rowreq_ctx->tbl_idx.
ipAddressAddrType);
/** defer the rest til row prep */
/*
* insert into table container, clear ptr so we reallocate
*/
CONTAINER_INSERT(container, rowreq_ctx);
rowreq_ctx = NULL;
++count;
}
ITERATOR_RELEASE(addr_it);
DEBUGMSGT(("verbose:ipAddressPrefixTable:ipAddressPrefixTable_container_load", "inserted %d records\n", count));
return MFD_SUCCESS;
} /* ipAddressPrefixTable_container_load */
/**
* container clean up
*
* @param container container with all current items
*
* This optional callback is called prior to all
* item's being removed from the container. If you
* need to do any processing before that, do it here.
*
* @note
* The MFD helper will take care of releasing all the row contexts.
*
*/
void
ipAddressPrefixTable_container_free(netsnmp_container *container)
{
DEBUGMSGTL(("verbose:ipAddressPrefixTable:ipAddressPrefixTable_container_free", "called\n"));
/*
* TODO:380:M: Free ipAddressPrefixTable container data.
*/
} /* ipAddressPrefixTable_container_free */
/**
* prepare row for processing.
*
* When the agent has located the row for a request, this function is
* called to prepare the row for processing. If you fully populated
* the data context during the index setup phase, you may not need to
* do anything.
*
* @param rowreq_ctx pointer to a context.
*
* @retval MFD_SUCCESS : success.
* @retval MFD_ERROR : other error.
*/
int
ipAddressPrefixTable_row_prep(ipAddressPrefixTable_rowreq_ctx * rowreq_ctx)
{
DEBUGMSGTL(("verbose:ipAddressPrefixTable:ipAddressPrefixTable_row_prep", "called\n"));
netsnmp_assert(NULL != rowreq_ctx);
/*
* TODO:390:o: Prepare row for request.
* If populating row data was delayed, this is the place to
* fill in the row for this request.
*/
if (INETADDRESSTYPE_IPV6 == rowreq_ctx->tbl_idx.ipAddressPrefixType) {
}
return MFD_SUCCESS;
} /* ipAddressPrefixTable_row_prep */
/** @} */