/*
* Note: this file originally auto-generated by mib2c using
* version : 1.67 $ of : mfd-interface.m2c,v $
*
* $Id$
*/
/*
* *********************************************************************
* *********************************************************************
* *********************************************************************
* *** ***
* *** NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE ***
* *** ***
* *** ***
* *** THIS FILE DOES NOT CONTAIN ANY USER EDITABLE CODE. ***
* *** ***
* *** ***
* *** THE GENERATED CODE IS INTERNAL IMPLEMENTATION, AND ***
* *** ***
* *** ***
* *** IS SUBJECT TO CHANGE WITHOUT WARNING IN FUTURE RELEASES. ***
* *** ***
* *** ***
* *********************************************************************
* *********************************************************************
* *********************************************************************
*/
/*
* 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 "ifTable.h"
#include "ifTable_defs.h"
#include <net-snmp/agent/table_container.h>
#include <net-snmp/library/container.h>
#include "ifTable_interface.h"
#include <ctype.h>
netsnmp_feature_child_of(ifTable_external_access, libnetsnmpmibs)
netsnmp_feature_require(row_merge)
netsnmp_feature_require(baby_steps)
netsnmp_feature_require(check_all_requests_error)
netsnmp_feature_child_of(iftable_container_get, ifTable_external_access)
netsnmp_feature_child_of(ifxtable_shutdown_interface, netsnmp_unused)
netsnmp_feature_child_of(ifXTable_container_size, ifXTable_external_access)
netsnmp_feature_child_of(ifXTable_registration_set, ifXTable_external_access)
netsnmp_feature_child_of(ifXTable_registration_get, ifXTable_external_access)
netsnmp_feature_child_of(ifXTable_container_get, ifXTable_external_access)
netsnmp_feature_child_of(iftable_container_size, ifTable_external_access)
netsnmp_feature_child_of(iftable_registration_set, ifTable_external_access)
netsnmp_feature_child_of(iftable_registration_get, ifTable_external_access)
/**********************************************************************
**********************************************************************
***
*** Table ifTable
***
**********************************************************************
**********************************************************************/
/*
* IF-MIB::ifTable is subid 2 of interfaces.
* Its status is Current.
* OID: .1.3.6.1.2.1.2.2, length: 8
*/
typedef struct ifTable_interface_ctx_s {
netsnmp_container *container;
netsnmp_cache *cache;
ifTable_registration *user_ctx;
netsnmp_table_registration_info tbl_info;
netsnmp_baby_steps_access_methods access_multiplexer;
u_int table_dirty;
u_long last_changed;
} ifTable_interface_ctx;
static ifTable_interface_ctx ifTable_if_ctx;
static void _ifTable_container_init(ifTable_interface_ctx * if_ctx);
static void _ifTable_container_shutdown(ifTable_interface_ctx *
if_ctx);
#ifndef NETSNMP_FEATURE_REMOVE_IFTABLE_CONTAINER_GET
netsnmp_container *
ifTable_container_get(void)
{
return ifTable_if_ctx.container;
}
#endif /* NETSNMP_FEATURE_REMOVE_IFTABLE_CONTAINER_GET */
#ifndef NETSNMP_FEATURE_REMOVE_IFTABLE_REGISTRATION_GET
ifTable_registration *
ifTable_registration_get(void)
{
return ifTable_if_ctx.user_ctx;
}
#endif /* NETSNMP_FEATURE_REMOVE_IFTABLE_REGISTRATION_GET */
#ifndef NETSNMP_FEATURE_REMOVE_IFTABLE_REGISTRATION_SET
ifTable_registration *
ifTable_registration_set(ifTable_registration * newreg)
{
ifTable_registration *old = ifTable_if_ctx.user_ctx;
ifTable_if_ctx.user_ctx = newreg;
return old;
}
#endif /* NETSNMP_FEATURE_REMOVE_IFTABLE_REGISTRATION_SET */
#ifndef NETSNMP_FEATURE_REMOVE_IFTABLE_CONTAINER_SIZE
int
ifTable_container_size(void)
{
return CONTAINER_SIZE(ifTable_if_ctx.container);
}
#endif /* NETSNMP_FEATURE_REMOVE_IFTABLE_CONTAINER_SIZE */
u_int
ifTable_dirty_get(void)
{
return ifTable_if_ctx.table_dirty;
}
void
ifTable_dirty_set(u_int status)
{
DEBUGMSGTL(("ifTable:ifTable_dirty_set",
"called. was %d, now %d\n",
ifTable_if_ctx.table_dirty, status));
ifTable_if_ctx.table_dirty = status;
}
/*
* ifTableLastChanged, which is not the last time that a row in
* the table was changed, but rather is the last time a row was
* added/deleted from the table.
*/
void
ifTable_lastChange_set(u_long table_changed)
{
DEBUGMSGTL(("ifTable:ifTable_lastChanged_set",
"called. was %ld, now %ld\n",
ifTable_if_ctx.last_changed, table_changed));
ifTable_if_ctx.last_changed = table_changed;
}
/*
* mfd multiplexer modes
*/
static Netsnmp_Node_Handler _mfd_ifTable_pre_request;
static Netsnmp_Node_Handler _mfd_ifTable_post_request;
static Netsnmp_Node_Handler _mfd_ifTable_object_lookup;
static Netsnmp_Node_Handler _mfd_ifTable_get_values;
#if !(defined(NETSNMP_NO_WRITE_SUPPORT) || defined(NETSNMP_DISABLE_SET_SUPPORT))
static Netsnmp_Node_Handler _mfd_ifTable_check_objects;
static Netsnmp_Node_Handler _mfd_ifTable_undo_setup;
static Netsnmp_Node_Handler _mfd_ifTable_set_values;
static Netsnmp_Node_Handler _mfd_ifTable_undo_cleanup;
static Netsnmp_Node_Handler _mfd_ifTable_undo_values;
static Netsnmp_Node_Handler _mfd_ifTable_commit;
static Netsnmp_Node_Handler _mfd_ifTable_undo_commit;
static Netsnmp_Node_Handler _mfd_ifTable_irreversible_commit;
static Netsnmp_Node_Handler _mfd_ifTable_check_dependencies;
NETSNMP_STATIC_INLINE int _ifTable_undo_column(ifTable_rowreq_ctx *
rowreq_ctx,
netsnmp_variable_list * var,
int column);
#endif /* NETSNMP_NO_WRITE_SUPPORT || NETSNMP_DISABLE_SET_SUPPORT */
ifTable_data *ifTable_allocate_data(void);
/**
* common init of container for ifTable and ifXTable
*/
void
if_mib_container_init(void)
{
static int done = 0;
if (done)
return;
DEBUGMSGTL(("internal:ifTable:ifTable_container_init", "called\n"));
done = 1;
/*
* set up the container. This is outside the rewrite ifdef, because
* the container is used by the ifXTable too..
*/
_ifTable_container_init(&ifTable_if_ctx);
}
/**
* @internal
* Initialize the table ifTable
* (Define its contents and how it's structured)
*/
void
_ifTable_initialize_interface(ifTable_registration * reg_ptr, u_long flags)
{
netsnmp_baby_steps_access_methods *access_multiplexer =
&ifTable_if_ctx.access_multiplexer;
netsnmp_table_registration_info *tbl_info = &ifTable_if_ctx.tbl_info;
netsnmp_handler_registration *reginfo;
netsnmp_mib_handler *handler;
int mfd_modes = 0;
DEBUGMSGTL(("internal:ifTable:_ifTable_initialize_interface",
"called\n"));
(void) if_mib_container_init();
if (NULL == ifTable_if_ctx.container)
return; /* msg already logged */
#ifndef USING_MIBII_INTERFACES_MODULE
/*************************************************
*
* save interface context for ifTable
*/
/*
* Setting up the table's definition
*/
netsnmp_table_helper_add_indexes(tbl_info, ASN_INTEGER,
/** index: ifIndex */
0);
/*
* Define the minimum and maximum accessible columns. This
* optimizes retrieval.
*/
tbl_info->min_column = IFTABLE_MIN_COL;
tbl_info->max_column = IFTABLE_MAX_COL;
/*
* save users context
*/
ifTable_if_ctx.user_ctx = reg_ptr;
/*
* call data access initialization code
*/
ifTable_init_data(reg_ptr);
/*
* access_multiplexer: REQUIRED wrapper for get request handling
*/
access_multiplexer->object_lookup = _mfd_ifTable_object_lookup;
access_multiplexer->get_values = _mfd_ifTable_get_values;
/*
* no wrappers yet
*/
access_multiplexer->pre_request = _mfd_ifTable_pre_request;
access_multiplexer->post_request = _mfd_ifTable_post_request;
#if !(defined(NETSNMP_NO_WRITE_SUPPORT) || defined(NETSNMP_DISABLE_SET_SUPPORT))
/*
* REQUIRED wrappers for set request handling
*/
access_multiplexer->object_syntax_checks = _mfd_ifTable_check_objects;
access_multiplexer->undo_setup = _mfd_ifTable_undo_setup;
access_multiplexer->undo_cleanup = _mfd_ifTable_undo_cleanup;
access_multiplexer->set_values = _mfd_ifTable_set_values;
access_multiplexer->undo_sets = _mfd_ifTable_undo_values;
/*
* no wrappers yet
*/
access_multiplexer->commit = _mfd_ifTable_commit;
access_multiplexer->undo_commit = _mfd_ifTable_undo_commit;
access_multiplexer->irreversible_commit =
_mfd_ifTable_irreversible_commit;
/*
* REQUIRED for tables with dependencies
*/
access_multiplexer->consistency_checks =
_mfd_ifTable_check_dependencies;
#endif /* NETSNMP_NO_WRITE_SUPPORT || NETSNMP_DISABLE_SET_SUPPORT */
/*************************************************
*
* Create a registration, save our reg data, register table.
*/
DEBUGMSGTL(("ifTable:init_ifTable",
"Registering ifTable as a mibs-for-dummies table.\n"));
handler =
netsnmp_baby_steps_access_multiplexer_get(access_multiplexer);
reginfo =
netsnmp_handler_registration_create("ifTable", handler,
ifTable_oid, ifTable_oid_size,
HANDLER_CAN_BABY_STEP |
#if !(defined(NETSNMP_NO_WRITE_SUPPORT) || defined(NETSNMP_DISABLE_SET_SUPPORT))
HANDLER_CAN_RWRITE
#else
HANDLER_CAN_RONLY
#endif /* NETSNMP_NO_WRITE_SUPPORT || NETSNMP_DISABLE_SET_SUPPORT */
);
if (NULL == reginfo) {
snmp_log(LOG_ERR, "error registering table ifTable\n");
return;
}
reginfo->my_reg_void = &ifTable_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->pre_request)
mfd_modes |= BABY_STEP_PRE_REQUEST;
if (access_multiplexer->post_request)
mfd_modes |= BABY_STEP_POST_REQUEST;
#if !(defined(NETSNMP_NO_WRITE_SUPPORT) || defined(NETSNMP_DISABLE_SET_SUPPORT))
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->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;
#endif /* NETSNMP_NO_WRITE_SUPPORT || NETSNMP_DISABLE_SET_SUPPORT */
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,
ifTable_if_ctx.container,
TABLE_CONTAINER_KEY_NETSNMP_INDEX);
netsnmp_inject_handler(reginfo, handler);
/*************************************************
*
* inject cache helper
*/
if (NULL != ifTable_if_ctx.cache) {
handler = netsnmp_cache_handler_get(ifTable_if_ctx.cache);
netsnmp_inject_handler(reginfo, handler);
}
/*
* register table
*/
netsnmp_register_table(reginfo, tbl_info);
/*
* register ifTableLastChanged
*/
{
const oid iftlc_oid[] = { IFTABLE_LAST_CHANGE };
netsnmp_register_watched_scalar2(netsnmp_create_handler_registration
("ifTableLastChanged", NULL,
iftlc_oid, OID_LENGTH(iftlc_oid),
HANDLER_CAN_RONLY),
netsnmp_create_watcher_info((void
*)
&ifTable_if_ctx.
last_changed,
sizeof
(u_long),
ASN_TIMETICKS,
WATCHER_FIXED_SIZE));
}
#endif /* USING_MIBII_INTERFACES_MODULE */
} /* _ifTable_initialize_interface */
/**
* @internal
* Shutdown the table ifTable
*/
void
_ifTable_shutdown_interface(ifTable_registration * reg_ptr)
{
/*
* shutdown the container
*/
_ifTable_container_shutdown(&ifTable_if_ctx);
}
void
ifTable_valid_columns_set(netsnmp_column_info *vc)
{
ifTable_if_ctx.tbl_info.valid_columns = vc;
} /* ifTable_valid_columns_set */
/**
* @internal
* convert the index component stored in the context to an oid
*/
int
ifTable_index_to_oid(netsnmp_index * oid_idx, ifTable_mib_index * mib_idx)
{
int err = SNMP_ERR_NOERROR;
/*
* temp storage for parsing indexes
*/
/*
* ifIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/A/w/e/R/d/H
*/
netsnmp_variable_list var_ifIndex;
/*
* set up varbinds
*/
memset(&var_ifIndex, 0x00, sizeof(var_ifIndex));
var_ifIndex.type = ASN_INTEGER;
/*
* chain temp index varbinds together
*/
var_ifIndex.next_variable = NULL;
DEBUGMSGTL(("verbose:ifTable:ifTable_index_to_oid", "called\n"));
/*
* ifIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/A/w/e/R/d/H
*/
snmp_set_var_value(&var_ifIndex, (u_char *) & mib_idx->ifIndex,
sizeof(mib_idx->ifIndex));
err = build_oid_noalloc(oid_idx->oids, oid_idx->len, &oid_idx->len,
NULL, 0, &var_ifIndex);
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_ifIndex);
return err;
} /* ifTable_index_to_oid */
/**
* extract ifTable indexes from a netsnmp_index
*
* @retval SNMP_ERR_NOERROR : no error
* @retval SNMP_ERR_GENERR : error
*/
int
ifTable_index_from_oid(netsnmp_index * oid_idx,
ifTable_mib_index * mib_idx)
{
int err = SNMP_ERR_NOERROR;
/*
* temp storage for parsing indexes
*/
/*
* ifIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/A/w/e/R/d/H
*/
netsnmp_variable_list var_ifIndex;
/*
* set up varbinds
*/
memset(&var_ifIndex, 0x00, sizeof(var_ifIndex));
var_ifIndex.type = ASN_INTEGER;
/*
* chain temp index varbinds together
*/
var_ifIndex.next_variable = NULL;
DEBUGMSGTL(("verbose:ifTable:ifTable_index_from_oid", "called\n"));
/*
* parse the oid into the individual index components
*/
err = parse_oid_indexes(oid_idx->oids, oid_idx->len, &var_ifIndex);
if (err == SNMP_ERR_NOERROR) {
/*
* copy out values
*/
mib_idx->ifIndex = *((long *) var_ifIndex.val.string);
}
/*
* parsing may have allocated memory. free it.
*/
snmp_reset_var_buffers(&var_ifIndex);
return err;
} /* ifTable_index_from_oid */
/*
* ifTable_allocate_data
*
* Purpose: create new ifTable_data.
*/
ifTable_data *
ifTable_allocate_data(void)
{
ifTable_data *rtn = SNMP_MALLOC_TYPEDEF(ifTable_data);
DEBUGMSGTL(("verbose:ifTable:ifTable_allocate_data", "called\n"));
if (NULL == rtn) {
snmp_log(LOG_ERR, "unable to malloc memory for new "
"ifTable_data.\n");
}
return rtn;
} /* ifTable_allocate_data */
/*
* ifTable_release_data
*
* Purpose: release ifTable data.
*/
void
ifTable_release_data(ifTable_data * data)
{
DEBUGMSGTL(("verbose:ifTable:ifTable_release_data", "called\n"));
free(data);
} /* ifTable_release_data */
/*
*********************************************************************
* @internal
* allocate resources for a ifTable_rowreq_ctx
*/
ifTable_rowreq_ctx *
ifTable_allocate_rowreq_ctx(void *user_init_ctx)
{
ifTable_rowreq_ctx *rowreq_ctx =
SNMP_MALLOC_TYPEDEF(ifTable_rowreq_ctx);
DEBUGMSGTL(("internal:ifTable:ifTable_allocate_rowreq_ctx",
"called\n"));
if (NULL == rowreq_ctx) {
snmp_log(LOG_ERR, "Couldn't allocate memory for a "
"ifTable_rowreq_ctx.\n");
return NULL;
}
rowreq_ctx->oid_idx.oids = rowreq_ctx->oid_tmp;
rowreq_ctx->ifTable_data_list = NULL;
/*
* if we allocated data, call init routine
*/
if (!(rowreq_ctx->rowreq_flags & MFD_ROW_DATA_FROM_USER)) {
if (SNMPERR_SUCCESS !=
ifTable_rowreq_ctx_init(rowreq_ctx, user_init_ctx)) {
ifTable_release_rowreq_ctx(rowreq_ctx);
rowreq_ctx = NULL;
}
}
return rowreq_ctx;
} /* ifTable_allocate_rowreq_ctx */
/*
* @internal
* release resources for a ifTable_rowreq_ctx
*/
void
ifTable_release_rowreq_ctx(ifTable_rowreq_ctx * rowreq_ctx)
{
DEBUGMSGTL(("internal:ifTable:ifTable_release_rowreq_ctx",
"called\n"));
netsnmp_assert(NULL != rowreq_ctx);
ifTable_rowreq_ctx_cleanup(rowreq_ctx);
if (rowreq_ctx->undo) {
ifTable_release_data(rowreq_ctx->undo);
rowreq_ctx->undo = NULL;
}
/*
* free index oid pointer
*/
if (rowreq_ctx->oid_idx.oids != rowreq_ctx->oid_tmp)
free(rowreq_ctx->oid_idx.oids);
SNMP_FREE(rowreq_ctx);
} /* ifTable_release_rowreq_ctx */
/**
* @internal
* wrapper
*/
static int
_mfd_ifTable_pre_request(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
int rc;
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_pre_request", "called\n"));
if (1 != netsnmp_row_merge_status_first(reginfo, agtreq_info)) {
DEBUGMSGTL(("internal:ifTable",
"skipping additional pre_request\n"));
return SNMP_ERR_NOERROR;
}
rc = ifTable_pre_request(ifTable_if_ctx.user_ctx);
if (MFD_SUCCESS != rc) {
/*
* nothing we can do about it but log it
*/
DEBUGMSGTL(("ifTable", "error %d from "
"ifTable_pre_request\n", rc));
netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
}
return SNMP_ERR_NOERROR;
} /* _mfd_ifTable_pre_request */
/**
* @internal
* wrapper
*/
static int
_mfd_ifTable_post_request(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
int rc, packet_rc;
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_post_request", "called\n"));
/*
* release row context, if deleted
*/
if (rowreq_ctx && (rowreq_ctx->rowreq_flags & MFD_ROW_DELETED))
ifTable_release_rowreq_ctx(rowreq_ctx);
/*
* wait for last call before calling user
*/
if (1 != netsnmp_row_merge_status_last(reginfo, agtreq_info)) {
DEBUGMSGTL(("internal:ifTable",
"waiting for last post_request\n"));
return SNMP_ERR_NOERROR;
}
packet_rc = netsnmp_check_all_requests_error(agtreq_info->asp, 0);
if ((MFD_SUCCESS != packet_rc) && ifTable_dirty_get()) {
/*
* we shouldn't get here. the undo steps should also clear
* the dirty flags.
*/
snmp_log(LOG_WARNING, "ifTable dirty flag set in post_request "
"but status != SUCCESS.\n");
}
rc = ifTable_post_request(ifTable_if_ctx.user_ctx, packet_rc);
if (MFD_SUCCESS != rc) {
/*
* nothing we can do about it but log it
*/
DEBUGMSGTL(("ifTable", "error %d from "
"ifTable_post_request\n", rc));
}
return SNMP_ERR_NOERROR;
} /* _mfd_ifTable_post_request */
/**
* @internal
* wrapper
*/
static int
_mfd_ifTable_object_lookup(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
int rc = SNMP_ERR_NOERROR;
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_object_lookup",
"called\n"));
/*
* get our context from mfd
* ifTable_interface_ctx *if_ctx =
* (ifTable_interface_ctx *)reginfo->my_reg_void;
*/
if (NULL == rowreq_ctx) {
rc = SNMP_ERR_NOCREATION;
}
if (MFD_SUCCESS != rc)
netsnmp_request_set_error_all(requests, rc);
else
ifTable_row_prep(rowreq_ctx);
return SNMP_VALIDATE_ERR(rc);
} /* _mfd_ifTable_object_lookup */
/***********************************************************************
*
* GET processing
*
***********************************************************************/
/*
* @internal
* Retrieve the value for a particular column
*/
NETSNMP_STATIC_INLINE int
_ifTable_get_column(ifTable_rowreq_ctx * rowreq_ctx,
netsnmp_variable_list * var, int column)
{
int rc = SNMPERR_SUCCESS;
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_get_column",
"called for %d\n", column));
netsnmp_assert(NULL != rowreq_ctx);
switch (column) {
/*
* (INDEX) ifIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/A/w/e/R/d/H
*/
case COLUMN_IFINDEX:
var->type = ASN_INTEGER;
var->val_len = sizeof(long);
(*var->val.integer) = rowreq_ctx->tbl_idx.ifIndex;
break;
/*
* ifDescr(2)/DisplayString/ASN_OCTET_STR/char(char)//L/A/w/e/R/d/H
*/
case COLUMN_IFDESCR:
var->type = ASN_OCTET_STR;
rc = ifDescr_get(rowreq_ctx, (char **) &var->val.string,
&var->val_len);
break;
/*
* ifType(3)/IANAifType/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h
*/
case COLUMN_IFTYPE:
var->val_len = sizeof(u_long);
var->type = ASN_INTEGER;
rc = ifType_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifMtu(4)/INTEGER32/ASN_INTEGER/long(long)//l/A/w/e/r/d/h
*/
case COLUMN_IFMTU:
var->val_len = sizeof(long);
var->type = ASN_INTEGER;
rc = ifMtu_get(rowreq_ctx, (long *) var->val.string);
break;
/*
* ifSpeed(5)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFSPEED:
var->val_len = sizeof(u_long);
var->type = ASN_GAUGE;
rc = ifSpeed_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifPhysAddress(6)/PhysAddress/ASN_OCTET_STR/char(char)//L/A/w/e/r/d/H
*/
case COLUMN_IFPHYSADDRESS:
var->type = ASN_OCTET_STR;
rc = ifPhysAddress_get(rowreq_ctx, (char **) &var->val.string,
&var->val_len);
break;
/*
* ifAdminStatus(7)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h
*/
case COLUMN_IFADMINSTATUS:
var->val_len = sizeof(u_long);
var->type = ASN_INTEGER;
rc = ifAdminStatus_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifOperStatus(8)/INTEGER/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h
*/
case COLUMN_IFOPERSTATUS:
var->val_len = sizeof(u_long);
var->type = ASN_INTEGER;
rc = ifOperStatus_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifLastChange(9)/TICKS/ASN_TIMETICKS/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFLASTCHANGE:
var->val_len = sizeof(u_long);
var->type = ASN_TIMETICKS;
rc = ifLastChange_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifInOctets(10)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINOCTETS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifInOctets_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifInUcastPkts(11)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINUCASTPKTS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifInUcastPkts_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifInNUcastPkts(12)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINNUCASTPKTS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifInNUcastPkts_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifInDiscards(13)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINDISCARDS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifInDiscards_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifInErrors(14)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINERRORS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifInErrors_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifInUnknownProtos(15)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINUNKNOWNPROTOS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifInUnknownProtos_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifOutOctets(16)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTOCTETS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifOutOctets_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifOutUcastPkts(17)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTUCASTPKTS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifOutUcastPkts_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifOutNUcastPkts(18)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTNUCASTPKTS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifOutNUcastPkts_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifOutDiscards(19)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTDISCARDS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifOutDiscards_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifOutErrors(20)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTERRORS:
var->val_len = sizeof(u_long);
var->type = ASN_COUNTER;
rc = ifOutErrors_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifOutQLen(21)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTQLEN:
var->val_len = sizeof(u_long);
var->type = ASN_GAUGE;
rc = ifOutQLen_get(rowreq_ctx, (u_long *) var->val.string);
break;
/*
* ifSpecific(22)/OBJECTID/ASN_OBJECT_ID/oid(oid)//L/A/w/e/r/d/h
*/
case COLUMN_IFSPECIFIC:
var->type = ASN_OBJECT_ID;
rc = ifSpecific_get(rowreq_ctx, (oid **) & var->val.string,
&var->val_len);
break;
default:
snmp_log(LOG_ERR, "unknown column %d in _ifTable_get_column\n",
column);
break;
}
return rc;
} /* _ifTable_get_column */
int
_mfd_ifTable_get_values(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
netsnmp_table_request_info *tri;
u_char *old_string;
void (*dataFreeHook) (void *);
int rc;
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_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 = _ifTable_get_column(rowreq_ctx, requests->requestvb,
tri->colnum);
if (rc) {
if (MFD_SKIP == rc) {
requests->requestvb->type = SNMP_NOSUCHINSTANCE;
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_ifTable_get_values */
#if !(defined(NETSNMP_NO_WRITE_SUPPORT) || defined(NETSNMP_DISABLE_SET_SUPPORT))
/***********************************************************************
*
* SET processing
*
***********************************************************************/
/*----------------------------------------------------------------------
*
* SET: Syntax checks
*
*---------------------------------------------------------------------*/
/*
* @internal
* Check the syntax for a particular column
*/
NETSNMP_STATIC_INLINE int
_ifTable_check_column(ifTable_rowreq_ctx * rowreq_ctx,
netsnmp_variable_list * var, int column)
{
int rc = SNMPERR_SUCCESS;
DEBUGMSGTL(("internal:ifTable:_ifTable_check_column",
"called for %d\n", column));
netsnmp_assert(NULL != rowreq_ctx);
switch (column) {
/*
* (INDEX) ifIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/A/w/e/R/d/H
*/
case COLUMN_IFINDEX:
rc = SNMP_ERR_NOTWRITABLE; /* can not change index of active row */
break;
/*
* ifDescr(2)/DisplayString/ASN_OCTET_STR/char(char)//L/A/w/e/R/d/H
*/
case COLUMN_IFDESCR:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifType(3)/IANAifType/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h
*/
case COLUMN_IFTYPE:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifMtu(4)/INTEGER32/ASN_INTEGER/long(long)//l/A/w/e/r/d/h
*/
case COLUMN_IFMTU:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifSpeed(5)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFSPEED:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifPhysAddress(6)/PhysAddress/ASN_OCTET_STR/char(char)//L/A/w/e/r/d/H
*/
case COLUMN_IFPHYSADDRESS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifAdminStatus(7)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h
*/
case COLUMN_IFADMINSTATUS:
/** special case: we are using exernal storage w/smaller data size
** for storage, so we can't use sizeof on data context. So we
** just check that it's the expected size. The enum tests below
** will ensure that there is no data overflow. */
rc = netsnmp_check_vb_type_and_size(var, ASN_INTEGER,
sizeof(u_long));
/*
* check that the value is one of defined enums
*/
if ((SNMPERR_SUCCESS == rc)
&& (*var->val.integer != IFADMINSTATUS_UP)
&& (*var->val.integer != IFADMINSTATUS_DOWN)
&& (*var->val.integer != IFADMINSTATUS_TESTING)
) {
rc = SNMP_ERR_WRONGVALUE;
}
if (SNMPERR_SUCCESS != rc) {
DEBUGMSGTL(("ifTable:_ifTable_check_column:ifAdminStatus",
"varbind validation failed (eg bad type or size)\n"));
} else {
rc = ifAdminStatus_check_value(rowreq_ctx,
*((u_long *) var->val.string));
if ((MFD_SUCCESS != rc) && (MFD_NOT_VALID_EVER != rc)
&& (MFD_NOT_VALID_NOW != rc)) {
snmp_log(LOG_ERR,
"bad rc %d from ifAdminStatus_check_value\n", rc);
rc = SNMP_ERR_GENERR;
}
}
break;
/*
* ifOperStatus(8)/INTEGER/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h
*/
case COLUMN_IFOPERSTATUS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifLastChange(9)/TICKS/ASN_TIMETICKS/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFLASTCHANGE:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifInOctets(10)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINOCTETS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifInUcastPkts(11)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINUCASTPKTS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifInNUcastPkts(12)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINNUCASTPKTS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifInDiscards(13)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINDISCARDS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifInErrors(14)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINERRORS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifInUnknownProtos(15)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFINUNKNOWNPROTOS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifOutOctets(16)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTOCTETS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifOutUcastPkts(17)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTUCASTPKTS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifOutNUcastPkts(18)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTNUCASTPKTS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifOutDiscards(19)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTDISCARDS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifOutErrors(20)/COUNTER/ASN_COUNTER/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTERRORS:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifOutQLen(21)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h
*/
case COLUMN_IFOUTQLEN:
rc = SNMP_ERR_NOTWRITABLE;
break;
/*
* ifSpecific(22)/OBJECTID/ASN_OBJECT_ID/oid(oid)//L/A/w/e/r/d/h
*/
case COLUMN_IFSPECIFIC:
rc = SNMP_ERR_NOTWRITABLE;
break;
default: /** We shouldn't get here */
rc = SNMP_ERR_GENERR;
snmp_log(LOG_ERR, "unknown column %d in _ifTable_check_column\n",
column);
}
return rc;
} /* _ifTable_check_column */
int
_mfd_ifTable_check_objects(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
netsnmp_table_request_info *tri;
int rc;
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_check_objects",
"called\n"));
netsnmp_assert(NULL != rowreq_ctx);
for (; requests; requests = requests->next) {
/*
* get column number from table request info, and check that column
*/
tri = netsnmp_extract_table_info(requests);
if (NULL == tri)
continue;
rc = _ifTable_check_column(rowreq_ctx, requests->requestvb,
tri->colnum);
if (rc) {
netsnmp_request_set_error(requests, SNMP_VALIDATE_ERR(rc));
break;
}
} /* for results */
return SNMP_ERR_NOERROR;
} /* _mfd_ifTable_check_objects */
/*----------------------------------------------------------------------
*
* SET: check dependencies
*
*---------------------------------------------------------------------*/
/*
* @internal
* Check dependencies wrapper
*/
static int
_mfd_ifTable_check_dependencies(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
int rc;
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_check_dependencies",
"called\n"));
netsnmp_assert(NULL != rowreq_ctx);
rc = ifTable_check_dependencies(rowreq_ctx);
if (rc) {
DEBUGMSGTL(("ifTable:mfd", "error %d from "
"ifTable_check_dependencies\n", rc));
netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
}
return SNMP_ERR_NOERROR;
} /* _mfd_ifTable_check_dependencies */
/*----------------------------------------------------------------------
*
* SET: Undo setup
*
*---------------------------------------------------------------------*/
/*
* @internal
* Set the value for a particular column
*/
NETSNMP_STATIC_INLINE int
_ifTable_undo_setup_column(ifTable_rowreq_ctx * rowreq_ctx, int column)
{
int rc = SNMPERR_SUCCESS;
DEBUGMSGTL(("internal:ifTable:_ifTable_undo_setup_column",
"called for %d\n", column));
netsnmp_assert(NULL != rowreq_ctx);
switch (column) {
/*
* ifAdminStatus(7)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h
*/
case COLUMN_IFADMINSTATUS:
rowreq_ctx->column_set_flags |= COLUMN_IFADMINSTATUS_FLAG;
rc = ifAdminStatus_undo_setup(rowreq_ctx);
break;
default:
snmp_log(LOG_ERR,
"unknown column %d in _ifTable_undo_setup_column\n",
column);
break;
}
return rc;
} /* _ifTable_undo_setup_column */
int
_mfd_ifTable_undo_setup_allocate(ifTable_rowreq_ctx *rowreq_ctx)
{
int rc = MFD_SUCCESS;
if (NULL == rowreq_ctx)
return MFD_ERROR;
/*
* other tables share our container/context and call
* this function. so we need to check and see if
* someone else already allocated the ifentry
*/
if (NULL == rowreq_ctx->undo) {
rowreq_ctx->undo = ifTable_allocate_data();
if (NULL == rowreq_ctx->undo) {
/** msg already logged */
rc = SNMP_ERR_RESOURCEUNAVAILABLE;
}
else {
rowreq_ctx->undo->ifentry =
netsnmp_access_interface_entry_create(rowreq_ctx->data.ifentry->
name,
rowreq_ctx->data.ifentry->
index);
if (NULL == rowreq_ctx->undo->ifentry) {
rc = SNMP_ERR_RESOURCEUNAVAILABLE;
ifTable_release_data(rowreq_ctx->undo);
rowreq_ctx->undo = NULL;
}
else {
netsnmp_access_interface_entry_copy(rowreq_ctx->undo->ifentry,
rowreq_ctx->data.ifentry);
netsnmp_assert(0 == rowreq_ctx->undo_ref_count);
}
}
}
++rowreq_ctx->undo_ref_count;
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_undo_setup_allocate",
"++undo_refcount = %d\n",rowreq_ctx->undo_ref_count));
return rc;
}
/**
* @internal
* undo setup
*/
int
_mfd_ifTable_undo_setup(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
int rc;
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_undo_setup", "called\n"));
netsnmp_assert(NULL != rowreq_ctx);
/*
* allocate undo context
*/
rc = _mfd_ifTable_undo_setup_allocate(rowreq_ctx);
if (MFD_SUCCESS != rc) {
netsnmp_request_set_error_all(requests, rc);
return SNMP_ERR_NOERROR;
}
/*
* row undo setup
*/
rc = ifTable_undo_setup(rowreq_ctx);
if (MFD_SUCCESS != rc) {
DEBUGMSGTL(("ifTable:mfd", "error %d from "
"ifTable_undo_setup\n", rc));
netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
} else {
/*
* column undo setup
*/
netsnmp_table_request_info *tri;
for (; requests; requests = requests->next) {
/*
* set column data
*/
tri = netsnmp_extract_table_info(requests);
if (NULL == tri)
continue;
rc = _ifTable_undo_setup_column(rowreq_ctx, tri->colnum);
if (MFD_SUCCESS != rc) {
DEBUGMSGTL(("ifTable:mfd", "error %d from "
"ifTable_undo_setup_column\n", rc));
netsnmp_set_request_error(agtreq_info, requests,
SNMP_VALIDATE_ERR(rc));
}
} /* for results */
}
return SNMP_ERR_NOERROR;
} /* _mfd_ifTable_undo_setup */
void
_mfd_ifTable_undo_setup_release(ifTable_rowreq_ctx *rowreq_ctx)
{
netsnmp_assert(rowreq_ctx->undo_ref_count > 0);
--rowreq_ctx->undo_ref_count;
snmp_log(LOG_ERR, "undo_refcount at %d\n", rowreq_ctx->undo_ref_count);
if (0 == rowreq_ctx->undo_ref_count) {
netsnmp_access_interface_entry_free(rowreq_ctx->undo->ifentry);
ifTable_release_data(rowreq_ctx->undo);
rowreq_ctx->undo = NULL;
}
}
/**
* @internal
* undo setup
*/
int
_mfd_ifTable_undo_cleanup(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
int rc;
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_undo_cleanup", "called\n"));
/*
* failed row create in early stages has no rowreq_ctx
*/
if (NULL == rowreq_ctx)
return MFD_SUCCESS;
/*
* call user cleanup
*/
rc = ifTable_undo_cleanup(rowreq_ctx);
if (MFD_SUCCESS != rc) {
/*
* nothing we can do about it but log it
*/
DEBUGMSGTL(("ifTable:mfd", "error %d from "
"ifTable_undo_cleanup\n", rc));
}
/*
* release undo context, if needed
*/
_mfd_ifTable_undo_setup_release(rowreq_ctx);
return SNMP_ERR_NOERROR;
} /* _mfd_ifTable_undo_cleanup */
/*----------------------------------------------------------------------
*
* SET: Set values
*
*---------------------------------------------------------------------*/
/*
* @internal
* Set the value for a particular column
*/
NETSNMP_STATIC_INLINE int
_ifTable_set_column(ifTable_rowreq_ctx * rowreq_ctx,
netsnmp_variable_list * var, int column)
{
int rc = SNMPERR_SUCCESS;
DEBUGMSGTL(("internal:ifTable:_ifTable_set_column",
"called for %d\n", column));
netsnmp_assert(NULL != rowreq_ctx);
switch (column) {
/*
* ifAdminStatus(7)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h
*/
case COLUMN_IFADMINSTATUS:
rowreq_ctx->column_set_flags |= COLUMN_IFADMINSTATUS_FLAG;
rc = ifAdminStatus_set(rowreq_ctx, *((u_long *) var->val.string));
break;
default:
snmp_log(LOG_ERR, "unknown column %d in _ifTable_set_column\n",
column);
rc = SNMP_ERR_GENERR;
break;
}
return rc;
} /* _ifTable_set_column */
int
_mfd_ifTable_set_values(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
netsnmp_table_request_info *tri;
int rc = SNMP_ERR_NOERROR;
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_set_values", "called\n"));
netsnmp_assert(NULL != rowreq_ctx);
rowreq_ctx->column_set_flags = 0;
for (; requests; requests = requests->next) {
/*
* set column data
*/
tri = netsnmp_extract_table_info(requests);
if (NULL == tri)
continue;
rc = _ifTable_set_column(rowreq_ctx,
requests->requestvb, tri->colnum);
if (MFD_SUCCESS != rc) {
DEBUGMSGTL(("ifTable:mfd", "error %d from "
"ifTable_set_column\n", rc));
netsnmp_set_request_error(agtreq_info, requests,
SNMP_VALIDATE_ERR(rc));
}
} /* for results */
return SNMP_ERR_NOERROR;
} /* _mfd_ifTable_set_values */
/*----------------------------------------------------------------------
*
* SET: commit
*
*---------------------------------------------------------------------*/
/**
* @internal
* commit the values
*/
int
_mfd_ifTable_commit(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
int rc;
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_commit", "called\n"));
netsnmp_assert(NULL != rowreq_ctx);
rc = ifTable_commit(rowreq_ctx);
if (MFD_SUCCESS != rc) {
DEBUGMSGTL(("ifTable:mfd", "error %d from "
"ifTable_commit\n", rc));
netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
}
if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) {
/*
* if we successfully commited this row, set the dirty flag. Use the
* current value + 1 (i.e. dirty = # rows changed).
* this is checked in post_request...
*/
ifTable_dirty_set(ifTable_dirty_get() + 1); /* set table dirty flag */
}
if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) {
/*
* if we successfully commited this row, set the dirty flag. Use the
* current value + 1 (i.e. dirty = # rows changed).
* this is checked in post_request...
*/
ifTable_dirty_set(ifTable_dirty_get() + 1); /* set table dirty flag */
}
return SNMP_ERR_NOERROR;
}
int
_mfd_ifTable_undo_commit(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
int rc;
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_undo_commit", "called\n"));
netsnmp_assert(NULL != rowreq_ctx);
if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) {
u_int d = ifTable_dirty_get();
netsnmp_assert(d != 0);
if (d)
ifTable_dirty_set(d - 1);
}
rc = ifTable_undo_commit(rowreq_ctx);
if (MFD_SUCCESS != rc) {
/*
* nothing we can do about it but log it
*/
DEBUGMSGTL(("ifTable:mfd", "error %d from "
"ifTable_undo_commit\n", rc));
}
if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) {
snmp_log(LOG_WARNING,
"ifTable row dirty flag still set after undo_commit\n");
rowreq_ctx->rowreq_flags &= ~MFD_ROW_DIRTY;
}
return SNMP_ERR_NOERROR;
} /* _mfd_ifTable_commit */
/*----------------------------------------------------------------------
*
* SET: Undo
*
*---------------------------------------------------------------------*/
/**
* @internal
* undo the value for a particular column
*/
NETSNMP_STATIC_INLINE int
_ifTable_undo_column(ifTable_rowreq_ctx * rowreq_ctx,
netsnmp_variable_list * var, int column)
{
int rc = SNMPERR_SUCCESS;
DEBUGMSGTL(("internal:ifTable:_ifTable_undo_column",
"called for %d\n", column));
netsnmp_assert(NULL != rowreq_ctx);
switch (column) {
/*
* ifAdminStatus(7)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h
*/
case COLUMN_IFADMINSTATUS:
rc = ifAdminStatus_undo(rowreq_ctx);
break;
default:
snmp_log(LOG_ERR, "unknown column %d in _ifTable_undo_column\n",
column);
break;
}
return rc;
} /* _ifTable_undo_column */
int
_mfd_ifTable_undo_values(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
int rc;
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
netsnmp_table_request_info *tri;
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_undo_values", "called\n"));
netsnmp_assert(NULL != rowreq_ctx);
rc = ifTable_undo(rowreq_ctx);
if (MFD_SUCCESS != rc) {
/*
* nothing we can do about it but log it
*/
DEBUGMSGTL(("ifTable:mfd", "error %d from " "ifTable_undo\n", rc));
}
for (; requests; requests = requests->next) {
/*
* set column data
*/
tri = netsnmp_extract_table_info(requests);
if (NULL == tri)
continue;
rc = _ifTable_undo_column(rowreq_ctx, requests->requestvb,
tri->colnum);
if (MFD_SUCCESS != rc) {
/*
* nothing we can do about it but log it
*/
DEBUGMSGTL(("ifTable:mfd", "error %d from "
"ifTable_undo_column\n", rc));
}
} /* for results */
return SNMP_ERR_NOERROR;
} /* _mfd_ifTable_undo_values */
/*----------------------------------------------------------------------
*
* SET: irreversible commit
*
*---------------------------------------------------------------------*/
/**
* @internal
* commit irreversible actions
*/
int
_mfd_ifTable_irreversible_commit(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *agtreq_info,
netsnmp_request_info *requests)
{
ifTable_rowreq_ctx *rowreq_ctx = (ifTable_rowreq_ctx*)
netsnmp_container_table_row_extract(requests);
DEBUGMSGTL(("internal:ifTable:_mfd_ifTable_irreversible:commit",
"called\n"));
netsnmp_assert(NULL != rowreq_ctx);
/*
* check for and handle row creation/deletion
* and update column exist flags...
*/
if (rowreq_ctx->rowreq_flags & MFD_ROW_DELETED) {
CONTAINER_REMOVE(ifTable_if_ctx.container, rowreq_ctx);
} else {
if (rowreq_ctx->column_set_flags) {
rowreq_ctx->column_set_flags = 0;
}
}
return SNMP_ERR_NOERROR;
} /* _mfd_ifTable_irreversible_commit */
#endif /* NETSNMP_NO_WRITE_SUPPORT || NETSNMP_DISABLE_SET_SUPPORT */
/***********************************************************************
*
* DATA ACCESS
*
***********************************************************************/
static void _container_free(netsnmp_container *container);
/**
* @internal
*/
static int
_cache_load(netsnmp_cache * cache, void *vmagic)
{
DEBUGMSGTL(("internal:ifTable:_cache_load", "called\n"));
if ((NULL == cache) || (NULL == cache->magic)) {
snmp_log(LOG_ERR, "invalid cache for ifTable_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 ifTable_container_load((netsnmp_container *) cache->magic);
} /* _cache_load */
/**
* @internal
*/
static void
_cache_free(netsnmp_cache * cache, void *magic)
{
netsnmp_container *container;
DEBUGMSGTL(("internal:ifTable:_cache_free", "called\n"));
if ((NULL == cache) || (NULL == cache->magic)) {
snmp_log(LOG_ERR, "invalid cache in ifTable_cache_free\n");
return;
}
container = (netsnmp_container *) cache->magic;
_container_free(container);
} /* _cache_free */
/**
* @internal
*/
static void
_container_item_free(ifTable_rowreq_ctx * rowreq_ctx, void *context)
{
DEBUGMSGTL(("internal:ifTable:_container_item_free", "called\n"));
if (NULL == rowreq_ctx)
return;
ifTable_release_rowreq_ctx(rowreq_ctx);
} /* _container_item_free */
/**
* @internal
*/
static void
_container_free(netsnmp_container *container)
{
DEBUGMSGTL(("internal:ifTable:_container_free", "called\n"));
if (NULL == container) {
snmp_log(LOG_ERR, "invalid container in ifTable_container_free\n");
return;
}
/*
* call user code
*/
ifTable_container_free(container);
/*
* free all items. inefficient, but easy.
*/
CONTAINER_CLEAR(container,
(netsnmp_container_obj_func *) _container_item_free,
NULL);
} /* _container_free */
/**
* @internal
* initialize the container with functions or wrappers
*/
void
_ifTable_container_init(ifTable_interface_ctx * if_ctx)
{
DEBUGMSGTL(("internal:ifTable:_ifTable_container_init", "called\n"));
/*
* cache init
*/
if_ctx->cache = netsnmp_cache_create(30, /* timeout in seconds */
_cache_load, _cache_free,
ifTable_oid, ifTable_oid_size);
if (NULL == if_ctx->cache) {
snmp_log(LOG_ERR, "error creating cache for ifTable\n");
return;
}
if_ctx->cache->flags = NETSNMP_CACHE_DONT_INVALIDATE_ON_SET;
ifTable_container_init(&if_ctx->container, if_ctx->cache);
if (NULL == if_ctx->container)
if_ctx->container =
netsnmp_container_find("ifTable:table_container");
if (NULL == if_ctx->container) {
snmp_log(LOG_ERR, "error creating container in "
"ifTable_container_init\n");
return;
}
if_ctx->container->container_name = strdup("ifTable container");
if (NULL != if_ctx->cache)
if_ctx->cache->magic = (void *) if_ctx->container;
} /* _ifTable_container_init */
/**
* @internal
* shutdown the container with functions or wrappers
*/
void
_ifTable_container_shutdown(ifTable_interface_ctx * if_ctx)
{
DEBUGMSGTL(("internal:ifTable:_ifTable_container_shutdown",
"called\n"));
ifTable_container_shutdown(if_ctx->container);
_container_free(if_ctx->container);
} /* _ifTable_container_shutdown */
#ifndef NETSNMP_FEATURE_REMOVE_IFTABLE_EXTERNAL_ACCESS
ifTable_rowreq_ctx *
ifTable_row_find_by_mib_index(ifTable_mib_index * mib_idx)
{
ifTable_rowreq_ctx *rowreq_ctx;
oid oid_tmp[MAX_OID_LEN];
netsnmp_index oid_idx;
int rc;
/*
* set up storage for OID
*/
oid_idx.oids = oid_tmp;
oid_idx.len = sizeof(oid_tmp) / sizeof(oid);
/*
* convert
*/
rc = ifTable_index_to_oid(&oid_idx, mib_idx);
if (MFD_SUCCESS != rc)
return NULL;
rowreq_ctx = (ifTable_rowreq_ctx*)CONTAINER_FIND(ifTable_if_ctx.container, &oid_idx);
return rowreq_ctx;
}
#endif /* NETSNMP_FEATURE_REMOVE_IFTABLE_EXTERNAL_ACCESS */