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/*-------------------------------------------------------------------------
* rdbmsDbParamTable_interface.c
*
* RDBMSMIB mib module.
*
* Copyright (c) 2004-2007, PostgreSQL Global Development Group
* Author: Joshua Tolley
*
* $Id: rdbmsDbParamTable_interface.c,v 1.3 2007/09/13 14:20:43 h-saito Exp $
*
*-------------------------------------------------------------------------
*/
#include "pgsnmpd.h"
/* include our parent header */
#include "rdbmsDbParamTable.h"
#include "rdbmsDbParamTable_interface.h"
/**********************************************************************
**********************************************************************
***
*** Table rdbmsDbParamTable
***
**********************************************************************
**********************************************************************/
/*
* rdbmsDbParamTable is subid 3 of rdbmsObjects.
* Its status is Current.
* OID: .1.3.6.1.2.1.39.1.3, length: 9
*/
typedef struct rdbmsDbParamTable_interface_ctx_s {
netsnmp_container *container;
netsnmp_cache *cache; /* optional cache */
rdbmsDbParamTable_registration_ptr user_ctx;
netsnmp_table_registration_info tbl_info;
netsnmp_baby_steps_access_methods access_multiplexer;
} rdbmsDbParamTable_interface_ctx;
static rdbmsDbParamTable_interface_ctx rdbmsDbParamTable_if_ctx;
static void _rdbmsDbParamTable_container_init(
rdbmsDbParamTable_interface_ctx *if_ctx);
static Netsnmp_Node_Handler _mfd_rdbmsDbParamTable_pre_request;
static Netsnmp_Node_Handler _mfd_rdbmsDbParamTable_post_request;
static Netsnmp_Node_Handler _mfd_rdbmsDbParamTable_object_lookup;
static Netsnmp_Node_Handler _mfd_rdbmsDbParamTable_get_values;
/**
* @internal
* Initialize the table rdbmsDbParamTable
* (Define its contents and how it's structured)
*/
void
_rdbmsDbParamTable_initialize_interface(rdbmsDbParamTable_registration_ptr reg_ptr, u_long flags)
{
netsnmp_baby_steps_access_methods *access_multiplexer =
&rdbmsDbParamTable_if_ctx.access_multiplexer;
netsnmp_table_registration_info *tbl_info = &rdbmsDbParamTable_if_ctx.tbl_info;
netsnmp_handler_registration *reginfo;
netsnmp_mib_handler *handler;
int mfd_modes = 0;
DEBUGMSGTL(("internal:rdbmsDbParamTable:_rdbmsDbParamTable_initialize_interface","called\n"));
/*************************************************
*
* save interface context for rdbmsDbParamTable
*/
/*
* Setting up the table's definition
*/
netsnmp_table_helper_add_indexes(tbl_info,
ASN_INTEGER, /** index: rdbmsDbIndex */
ASN_OCTET_STR, /** index: rdbmsDbParamName */
ASN_INTEGER, /** index: rdbmsDbParamSubIndex */
0);
/* Define the minimum and maximum accessible columns. This
optimizes retrival. */
tbl_info->min_column = RDBMSDBPARAMTABLE_MIN_COL;
tbl_info->max_column = RDBMSDBPARAMTABLE_MAX_COL;
/*
* save users context
*/
rdbmsDbParamTable_if_ctx.user_ctx = reg_ptr;
/*
* call data access initialization code
*/
rdbmsDbParamTable_init_data(reg_ptr);
/*
* set up the container
*/
_rdbmsDbParamTable_container_init(&rdbmsDbParamTable_if_ctx);
if (NULL == rdbmsDbParamTable_if_ctx.container) {
snmp_log(LOG_ERR,"could not initialize container for rdbmsDbParamTable\n");
return;
}
/*
* access_multiplexer: REQUIRED wrapper for get request handling
*/
access_multiplexer->object_lookup = _mfd_rdbmsDbParamTable_object_lookup;
access_multiplexer->get_values = _mfd_rdbmsDbParamTable_get_values;
/*
* no wrappers yet
*/
access_multiplexer->pre_request = _mfd_rdbmsDbParamTable_pre_request;
access_multiplexer->post_request = _mfd_rdbmsDbParamTable_post_request;
/*************************************************
*
* Create a registration, save our reg data, register table.
*/
DEBUGMSGTL(("rdbmsDbParamTable:init_rdbmsDbParamTable",
"Registering rdbmsDbParamTable as a mibs-for-dummies table.\n"));
handler = netsnmp_baby_steps_access_multiplexer_get(access_multiplexer);
reginfo = netsnmp_handler_registration_create("rdbmsDbParamTable", handler,
rdbmsDbParamTable_oid,
rdbmsDbParamTable_oid_size,
HANDLER_CAN_BABY_STEP |
HANDLER_CAN_RONLY
);
if(NULL == reginfo) {
snmp_log(LOG_ERR,"error registering table rdbmsDbParamTable\n");
return;
}
reginfo->my_reg_void = &rdbmsDbParamTable_if_ctx;
/*************************************************
*
* set up baby steps handler, create it and inject it
*/
if( access_multiplexer->object_lookup )
mfd_modes |= BABY_STEP_OBJECT_LOOKUP;
if( access_multiplexer->set_values )
mfd_modes |= BABY_STEP_SET_VALUES;
if( access_multiplexer->irreversible_commit )
mfd_modes |= BABY_STEP_IRREVERSIBLE_COMMIT;
if( access_multiplexer->object_syntax_checks )
mfd_modes |= BABY_STEP_CHECK_OBJECT;
if( access_multiplexer->pre_request )
mfd_modes |= BABY_STEP_PRE_REQUEST;
if( access_multiplexer->post_request )
mfd_modes |= BABY_STEP_POST_REQUEST;
if( access_multiplexer->undo_setup )
mfd_modes |= BABY_STEP_UNDO_SETUP;
if( access_multiplexer->undo_cleanup )
mfd_modes |= BABY_STEP_UNDO_CLEANUP;
if( access_multiplexer->undo_sets )
mfd_modes |= BABY_STEP_UNDO_SETS;
if( access_multiplexer->row_creation )
mfd_modes |= BABY_STEP_ROW_CREATE;
if( access_multiplexer->consistency_checks )
mfd_modes |= BABY_STEP_CHECK_CONSISTENCY;
if( access_multiplexer->commit )
mfd_modes |= BABY_STEP_COMMIT;
if( access_multiplexer->undo_commit )
mfd_modes |= BABY_STEP_UNDO_COMMIT;
handler = netsnmp_baby_steps_handler_get(mfd_modes);
netsnmp_inject_handler(reginfo, handler);
/*************************************************
*
* inject row_merge helper with prefix rootoid_len + 2 (entry.col)
*/
handler = netsnmp_get_row_merge_handler(reginfo->rootoid_len + 2);
netsnmp_inject_handler(reginfo, handler);
/*************************************************
*
* inject container_table helper
*/
handler =
netsnmp_container_table_handler_get(tbl_info,
rdbmsDbParamTable_if_ctx.container,
TABLE_CONTAINER_KEY_NETSNMP_INDEX);
netsnmp_inject_handler( reginfo, handler );
/*************************************************
*
* inject cache helper
*/
if(NULL != rdbmsDbParamTable_if_ctx.cache) {
handler = netsnmp_cache_handler_get(rdbmsDbParamTable_if_ctx.cache);
netsnmp_inject_handler( reginfo, handler );
}
/*
* register table
*/
netsnmp_register_table(reginfo, tbl_info);
} /* _rdbmsDbParamTable_initialize_interface */
void
rdbmsDbParamTable_valid_columns_set(netsnmp_column_info *vc)
{
rdbmsDbParamTable_if_ctx.tbl_info.valid_columns = vc;
} /* rdbmsDbParamTable_valid_columns_set */
/**
* @internal
* convert the index component stored in the context to an oid
*/
int
rdbmsDbParamTable_index_to_oid(netsnmp_index *oid_idx,
rdbmsDbParamTable_mib_index *mib_idx)
{
int err = SNMP_ERR_NOERROR;
/*
* temp storage for parsing indexes
*/
/*
* rdbmsDbIndex(1)/INTEGER/ASN_INTEGER/long(long)//l/a/w/e/R/d/h
*/
netsnmp_variable_list var_rdbmsDbIndex;
/*
* rdbmsDbParamName(1)/DisplayString/ASN_OCTET_STR/char(char)//L/a/w/e/R/d/H
*/
netsnmp_variable_list var_rdbmsDbParamName;
/*
* rdbmsDbParamSubIndex(2)/INTEGER/ASN_INTEGER/long(long)//l/a/w/e/R/d/h
*/
netsnmp_variable_list var_rdbmsDbParamSubIndex;
/*
* set up varbinds
*/
memset( &var_rdbmsDbIndex, 0x00, sizeof(var_rdbmsDbIndex) );
var_rdbmsDbIndex.type = ASN_INTEGER;
memset( &var_rdbmsDbParamName, 0x00, sizeof(var_rdbmsDbParamName) );
var_rdbmsDbParamName.type = ASN_OCTET_STR;
memset( &var_rdbmsDbParamSubIndex, 0x00, sizeof(var_rdbmsDbParamSubIndex) );
var_rdbmsDbParamSubIndex.type = ASN_INTEGER;
/*
* chain temp index varbinds together
*/
var_rdbmsDbIndex.next_variable = &var_rdbmsDbParamName; var_rdbmsDbParamName.next_variable = &var_rdbmsDbParamSubIndex; var_rdbmsDbParamSubIndex.next_variable = NULL;
DEBUGMSGTL(("verbose:rdbmsDbParamTable:rdbmsDbParamTable_index_to_oid","called\n"));
/* rdbmsDbIndex(1)/INTEGER/ASN_INTEGER/long(long)//l/a/w/e/R/d/h */
snmp_set_var_value(&var_rdbmsDbIndex, (u_char*)&mib_idx->rdbmsDbIndex,
sizeof(mib_idx->rdbmsDbIndex));
/* rdbmsDbParamName(1)/DisplayString/ASN_OCTET_STR/char(char)//L/a/w/e/R/d/H */
snmp_set_var_value(&var_rdbmsDbParamName, (u_char*)&mib_idx->rdbmsDbParamName,
mib_idx->rdbmsDbParamName_len * sizeof(mib_idx->rdbmsDbParamName[0]));
/* rdbmsDbParamSubIndex(2)/INTEGER/ASN_INTEGER/long(long)//l/a/w/e/R/d/h */
snmp_set_var_value(&var_rdbmsDbParamSubIndex, (u_char*)&mib_idx->rdbmsDbParamSubIndex,
sizeof(mib_idx->rdbmsDbParamSubIndex));
err = build_oid_noalloc(oid_idx->oids, oid_idx->len, (size_t *)&oid_idx->len,
NULL, 0, &var_rdbmsDbIndex);
if(err)
snmp_log(LOG_ERR,"error %d converting index to oid\n", err);
/*
* parsing may have allocated memory. free it.
*/
snmp_reset_var_buffers( &var_rdbmsDbIndex );
return err;
} /* rdbmsDbParamTable_index_to_oid */
/**
* extract rdbmsDbParamTable indexes from a netsnmp_index
*
* @retval SNMP_ERR_NOERROR : no error
* @retval SNMP_ERR_GENERR : error
*/
int
rdbmsDbParamTable_index_from_oid(netsnmp_index *oid_idx,
rdbmsDbParamTable_mib_index *mib_idx)
{
int err = SNMP_ERR_NOERROR;
/*
* temp storage for parsing indexes
*/
/*
* rdbmsDbIndex(1)/INTEGER/ASN_INTEGER/long(long)//l/a/w/e/R/d/h
*/
netsnmp_variable_list var_rdbmsDbIndex;
/*
* rdbmsDbParamName(1)/DisplayString/ASN_OCTET_STR/char(char)//L/a/w/e/R/d/H
*/
netsnmp_variable_list var_rdbmsDbParamName;
/*
* rdbmsDbParamSubIndex(2)/INTEGER/ASN_INTEGER/long(long)//l/a/w/e/R/d/h
*/
netsnmp_variable_list var_rdbmsDbParamSubIndex;
/*
* set up varbinds
*/
memset( &var_rdbmsDbIndex, 0x00, sizeof(var_rdbmsDbIndex) );
var_rdbmsDbIndex.type = ASN_INTEGER;
memset( &var_rdbmsDbParamName, 0x00, sizeof(var_rdbmsDbParamName) );
var_rdbmsDbParamName.type = ASN_OCTET_STR;
memset( &var_rdbmsDbParamSubIndex, 0x00, sizeof(var_rdbmsDbParamSubIndex) );
var_rdbmsDbParamSubIndex.type = ASN_INTEGER;
/*
* chain temp index varbinds together
*/
var_rdbmsDbIndex.next_variable = &var_rdbmsDbParamName; var_rdbmsDbParamName.next_variable = &var_rdbmsDbParamSubIndex; var_rdbmsDbParamSubIndex.next_variable = NULL;
DEBUGMSGTL(("verbose:rdbmsDbParamTable:rdbmsDbParamTable_index_from_oid","called\n"));
/*
* parse the oid into the individual index components
*/
err = parse_oid_indexes( oid_idx->oids, oid_idx->len,
&var_rdbmsDbIndex );
if (err == SNMP_ERR_NOERROR) {
/*
* copy out values
*/
mib_idx->rdbmsDbIndex = *((long *)var_rdbmsDbIndex.val.string);
/*
* NOTE: val_len is in bytes, rdbmsDbParamName_len might not be
*/
if(var_rdbmsDbParamName.val_len > sizeof(mib_idx->rdbmsDbParamName))
err = SNMP_ERR_GENERR;
else {
memcpy(mib_idx->rdbmsDbParamName, var_rdbmsDbParamName.val.string, var_rdbmsDbParamName.val_len);
mib_idx->rdbmsDbParamName_len = var_rdbmsDbParamName.val_len / sizeof(mib_idx->rdbmsDbParamName[0]);
}
mib_idx->rdbmsDbParamSubIndex = *((long *)var_rdbmsDbParamSubIndex.val.string);
}
/*
* parsing may have allocated memory. free it.
*/
snmp_reset_var_buffers( &var_rdbmsDbIndex );
return err;
} /* rdbmsDbParamTable_index_from_oid */
/* *********************************************************************
* @internal
* allocate resources for a rdbmsDbParamTable_rowreq_ctx
*/
rdbmsDbParamTable_rowreq_ctx *
rdbmsDbParamTable_allocate_rowreq_ctx(void)
{
rdbmsDbParamTable_rowreq_ctx *rowreq_ctx =
SNMP_MALLOC_TYPEDEF(rdbmsDbParamTable_rowreq_ctx);
DEBUGMSGTL(("internal:rdbmsDbParamTable:rdbmsDbParamTable_allocate_rowreq_ctx","called\n"));
if(NULL == rowreq_ctx) {
snmp_log(LOG_ERR,"Couldn't allocate memory for a "
"rdbmsDbParamTable_rowreq_ctx.\n");
}
rowreq_ctx->oid_idx.oids = rowreq_ctx->oid_tmp;
rowreq_ctx->rdbmsDbParamTable_data_list = NULL;
rowreq_ctx->rdbmsDbParamTable_reg = rdbmsDbParamTable_if_ctx.user_ctx;
return rowreq_ctx;
} /* rdbmsDbParamTable_allocate_rowreq_ctx */
/*
* @internal
* release resources for a rdbmsDbParamTable_rowreq_ctx
*/
void
rdbmsDbParamTable_release_rowreq_ctx(rdbmsDbParamTable_rowreq_ctx *rowreq_ctx)
{
DEBUGMSGTL(("internal:rdbmsDbParamTable:rdbmsDbParamTable_release_rowreq_ctx","called\n"));
netsnmp_assert(NULL != rowreq_ctx);
/*
* free index oid pointer
*/
if(rowreq_ctx->oid_idx.oids != rowreq_ctx->oid_tmp)
free(rowreq_ctx->oid_idx.oids);
SNMP_FREE(rowreq_ctx);
} /* rdbmsDbParamTable_release_rowreq_ctx */
/**
* @internal
* wrapper
*/
static int
_mfd_rdbmsDbParamTable_pre_request(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
int rc = rdbmsDbParamTable_pre_request(rdbmsDbParamTable_if_ctx.user_ctx);
if (MFD_SUCCESS != rc) {
/*
* nothing we can do about it but log it
*/
DEBUGMSGTL(("internal:rdbmsDbParamTable","error %d from "
"rdbmsDbParamTable_pre_request\n", rc));
netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
}
return SNMP_ERR_NOERROR;
} /* _mfd_rdbmsDbParamTable_pre_request */
/**
* @internal
* wrapper
*/
static int
_mfd_rdbmsDbParamTable_post_request(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
rdbmsDbParamTable_rowreq_ctx *rowreq_ctx;
int rc = rdbmsDbParamTable_post_request(rdbmsDbParamTable_if_ctx.user_ctx);
if (MFD_SUCCESS != rc) {
/*
* nothing we can do about it but log it
*/
DEBUGMSGTL(("internal:rdbmsDbParamTable","error %d from "
"rdbmsDbParamTable_post_request\n", rc));
}
/*
* if there are no errors, check for and handle row creation/deletion
*/
rc = netsnmp_check_requests_error(requests);
if ((SNMP_ERR_NOERROR == rc) &&
(NULL !=
(rowreq_ctx = netsnmp_container_table_row_extract(requests)))) {
if (rowreq_ctx->rowreq_flags & MFD_ROW_CREATED) {
rowreq_ctx->rowreq_flags &= ~MFD_ROW_CREATED;
CONTAINER_INSERT(rdbmsDbParamTable_if_ctx.container, rowreq_ctx);
}
else if (rowreq_ctx->rowreq_flags & MFD_ROW_DELETED) {
CONTAINER_REMOVE(rdbmsDbParamTable_if_ctx.container, rowreq_ctx);
rdbmsDbParamTable_release_rowreq_ctx(rowreq_ctx);
}
}
return SNMP_ERR_NOERROR;
} /* _mfd_rdbmsDbParamTable_post_request */
/**
* @internal
* wrapper
*/
static int
_mfd_rdbmsDbParamTable_object_lookup(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
rdbmsDbParamTable_rowreq_ctx *rowreq_ctx =
netsnmp_container_table_row_extract(requests);
DEBUGMSGTL(("internal:rdbmsDbParamTable:_mfd_rdbmsDbParamTable_object_lookup","called\n"));
/*
* get our context from mfd
* rdbmsDbParamTable_interface_ctx *if_ctx =
* (rdbmsDbParamTable_interface_ctx *)reginfo->my_reg_void;
*/
if(NULL == rowreq_ctx) {
netsnmp_request_set_error_all(requests, SNMP_ERR_NOCREATION);
}
else {
rdbmsDbParamTable_row_prep(rowreq_ctx);
}
return SNMP_ERR_NOERROR;
} /* _mfd_rdbmsDbParamTable_object_lookup */
/***********************************************************************
*
* GET processing
*
***********************************************************************/
/*
* @internal
* Retrieve the value for a particular column
*/
NETSNMP_STATIC_INLINE int
_rdbmsDbParamTable_get_column( rdbmsDbParamTable_rowreq_ctx *rowreq_ctx,
netsnmp_variable_list *var, int column )
{
int rc = SNMPERR_SUCCESS;
DEBUGMSGTL(("internal:rdbmsDbParamTable:_mfd_rdbmsDbParamTable_get_column","called\n"));
netsnmp_assert(NULL != rowreq_ctx);
switch(column) {
/* rdbmsDbParamID(3)/AutonomousType/ASN_OBJECT_ID/oid(oid)//L/A/w/e/r/d/h */
case COLUMN_RDBMSDBPARAMID:
var->type = ASN_OBJECT_ID;
rc = rdbmsDbParamID_get(rowreq_ctx, (oid **)&var->val.string, &var->val_len );
break;
/* rdbmsDbParamCurrValue(4)/DisplayString/ASN_OCTET_STR/char(char)//L/A/W/e/R/d/H */
case COLUMN_RDBMSDBPARAMCURRVALUE:
var->type = ASN_OCTET_STR;
rc = rdbmsDbParamCurrValue_get(rowreq_ctx, (char **)&var->val.string, &var->val_len );
break;
/* rdbmsDbParamComment(5)/DisplayString/ASN_OCTET_STR/char(char)//L/A/W/e/R/d/H */
case COLUMN_RDBMSDBPARAMCOMMENT:
var->type = ASN_OCTET_STR;
rc = rdbmsDbParamComment_get(rowreq_ctx, (char **)&var->val.string, &var->val_len );
break;
default:
snmp_log(LOG_ERR,"unknown column %d in _rdbmsDbParamTable_get_column\n", column);
break;
}
return rc;
} /* _rdbmsDbParamTable_get_column */
int
_mfd_rdbmsDbParamTable_get_values(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
rdbmsDbParamTable_rowreq_ctx *rowreq_ctx =
netsnmp_container_table_row_extract(requests);
netsnmp_table_request_info * tri;
u_char * old_string;
void (*dataFreeHook)(void *);
int rc;
DEBUGMSGTL(("internal:rdbmsDbParamTable:_mfd_rdbmsDbParamTable_get_values","called\n"));
netsnmp_assert(NULL != rowreq_ctx);
for(;requests; requests = requests->next) {
/*
* save old pointer, so we can free it if replaced
*/
old_string = requests->requestvb->val.string;
dataFreeHook = requests->requestvb->dataFreeHook;
if(NULL == requests->requestvb->val.string) {
requests->requestvb->val.string = requests->requestvb->buf;
requests->requestvb->val_len = sizeof(requests->requestvb->buf);
}
else if(requests->requestvb->buf == requests->requestvb->val.string) {
if(requests->requestvb->val_len != sizeof(requests->requestvb->buf))
requests->requestvb->val_len = sizeof(requests->requestvb->buf);
}
/*
* get column data
*/
tri = netsnmp_extract_table_info(requests);
if(NULL == tri)
continue;
rc = _rdbmsDbParamTable_get_column(rowreq_ctx, requests->requestvb, tri->colnum);
if(rc) {
if(MFD_SKIP == rc) {
requests->requestvb->type = ASN_PRIV_RETRY;
rc = SNMP_ERR_NOERROR;
}
}
else if (NULL == requests->requestvb->val.string) {
snmp_log(LOG_ERR,"NULL varbind data pointer!\n");
rc = SNMP_ERR_GENERR;
}
if(rc)
netsnmp_request_set_error(requests, SNMP_VALIDATE_ERR(rc));
/*
* if the buffer wasn't used previously for the old data (i.e. it
* was allcoated memory) and the get routine replaced the pointer,
* we need to free the previous pointer.
*/
if(old_string && (old_string != requests->requestvb->buf) &&
(requests->requestvb->val.string != old_string)) {
if(dataFreeHook)
(*dataFreeHook)(old_string);
else
free(old_string);
}
} /* for results */
return SNMP_ERR_NOERROR;
} /* _mfd_rdbmsDbParamTable_get_values */
/***********************************************************************
*
* SET processing
*
***********************************************************************/
/*
* NOT APPLICABLE (per MIB or user setting)
*/
/***********************************************************************
*
* DATA ACCESS
*
***********************************************************************/
/**
* @internal
*/
static int
_cache_load(netsnmp_cache *cache, void *vmagic)
{
DEBUGMSGTL(("internal:rdbmsDbParamTable:_cache_load","called\n"));
if((NULL == cache) || (NULL == cache->magic)) {
snmp_log(LOG_ERR, "invalid cache for rdbmsDbParamTable_cache_load\n");
return -1;
}
/** should only be called for an invalid or expired cache */
netsnmp_assert((0 == cache->valid) || (1 == cache->expired));
/*
* call user code
*/
return rdbmsDbParamTable_cache_load((netsnmp_container*)cache->magic);
} /* _cache_load */
/**
* @internal
*/
static void
_cache_item_free(rdbmsDbParamTable_rowreq_ctx *rowreq_ctx, void *context)
{
DEBUGMSGTL(("internal:rdbmsDbParamTable:_cache_item_free","called\n"));
if(NULL == rowreq_ctx)
return;
rdbmsDbParamTable_release_rowreq_ctx(rowreq_ctx);
} /* _cache_item_free */
/**
* @internal
*/
static void
_cache_free(netsnmp_cache *cache, void *magic)
{
netsnmp_container *container;
DEBUGMSGTL(("internal:rdbmsDbParamTable:_cache_free","called\n"));
if((NULL == cache) || (NULL == cache->magic)) {
snmp_log(LOG_ERR, "invalid cache in rdbmsDbParamTable_cache_free\n");
return;
}
container = (netsnmp_container*)cache->magic;
/*
* call user code
*/
rdbmsDbParamTable_cache_free(container);
/*
* free all items. inefficient, but easy.
*/
CONTAINER_CLEAR(container,
(netsnmp_container_obj_func *)_cache_item_free,
NULL);
} /* _cache_free */
/**
* @internal
* initialize the iterator container with functions or wrappers
*/
void
_rdbmsDbParamTable_container_init(rdbmsDbParamTable_interface_ctx *if_ctx)
{
DEBUGMSGTL(("internal:rdbmsDbParamTable:_rdbmsDbParamTable_container_init","called\n"));
/*
* set up the cache
*/
if_ctx->cache = netsnmp_cache_create(30, /* timeout in seconds */
_cache_load, _cache_free,
rdbmsDbParamTable_oid,
rdbmsDbParamTable_oid_size);
if(NULL == if_ctx->cache) {
snmp_log(LOG_ERR, "error creating cache for rdbmsDbParamTable\n");
return;
}
if_ctx->cache->flags = NETSNMP_CACHE_DONT_INVALIDATE_ON_SET;
rdbmsDbParamTable_container_init(&if_ctx->container, if_ctx->cache);
if(NULL == if_ctx->container)
if_ctx->container = netsnmp_container_find("rdbmsDbParamTable:table_container");
if(NULL == if_ctx->container) {
snmp_log(LOG_ERR,"error creating container in "
"rdbmsDbParamTable_container_init\n");
return;
}
if_ctx->cache->magic = (void*)if_ctx->container;
} /* _rdbmsDbParamTable_container_init */
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