| /* |
| * Note: this file originally auto-generated by mib2c using |
| * : mib2c.container.conf,v 1.8 2006/07/26 15:58:26 dts12 Exp $ |
| */ |
| /* Portions of this file are subject to the following copyright(s). See |
| * the Net-SNMP's COPYING file for more details and other copyrights |
| * that may apply: |
| */ |
| /* |
| * Portions of this file are copyrighted by: |
| * Copyright (C) 2007 Apple, Inc. All rights reserved. |
| * Use is subject to license terms specified in the COPYING file |
| * distributed with the Net-SNMP package. |
| */ |
| |
| #include <net-snmp/net-snmp-config.h> |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| #include <net-snmp/agent/table_container.h> |
| #include <net-snmp/data_access/swinst.h> |
| #include <net-snmp/agent/cache_handler.h> |
| #include "hrSWInstalledTable.h" |
| |
| #define MYTABLE "hrSWInstalledTable" |
| |
| static void _cache_free(netsnmp_cache * cache, void *magic); |
| static int _cache_load(netsnmp_cache * cache, void *magic); |
| |
| /** Initializes the hrSWInstalledTable module */ |
| void |
| init_hrSWInstalledTable(void) |
| { |
| /* |
| * here we initialize all the tables we're planning on supporting |
| */ |
| initialize_table_hrSWInstalledTable(); |
| } |
| |
| /** Initialize the hrSWInstalledTable table by defining its contents and how it's structured */ |
| void |
| initialize_table_hrSWInstalledTable(void) |
| { |
| static oid hrSWInstalledTable_oid[] = |
| { 1, 3, 6, 1, 2, 1, 25, 6, 3 }; |
| size_t hrSWInstalledTable_oid_len = |
| OID_LENGTH(hrSWInstalledTable_oid); |
| netsnmp_handler_registration *reg; |
| netsnmp_mib_handler *handler; |
| netsnmp_container *container; |
| netsnmp_cache *cache; |
| netsnmp_table_registration_info *table_info; |
| |
| DEBUGMSGTL(("hrSWInstalled", "initialize\n")); |
| |
| reg = |
| netsnmp_create_handler_registration("hrSWInstalledTable", |
| hrSWInstalledTable_handler, |
| hrSWInstalledTable_oid, |
| hrSWInstalledTable_oid_len, |
| HANDLER_CAN_RONLY); |
| if (NULL == reg) { |
| snmp_log(LOG_ERR,"error creating handler registration for " |
| MYTABLE "\n"); |
| goto bail; |
| } |
| |
| container = netsnmp_container_find("hrSWInstalledTable:table_container"); |
| if (NULL == container) { |
| snmp_log(LOG_ERR,"error creating container for " |
| MYTABLE "\n"); |
| goto bail; |
| } |
| |
| table_info = SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info); |
| if (NULL == table_info) { |
| snmp_log(LOG_ERR,"error allocating table registration for " |
| MYTABLE "\n"); |
| goto bail; |
| } |
| |
| netsnmp_table_helper_add_indexes(table_info, ASN_INTEGER, /* index: hrSWInstalledIndex */ |
| 0); |
| table_info->min_column = COLUMN_HRSWINSTALLEDINDEX; |
| table_info->max_column = COLUMN_HRSWINSTALLEDDATE; |
| |
| /************************************************* |
| * |
| * inject container_table helper |
| */ |
| handler = netsnmp_container_table_handler_get(table_info, container, |
| TABLE_CONTAINER_KEY_NETSNMP_INDEX); |
| if (NULL == handler) { |
| snmp_log(LOG_ERR,"error allocating table registration for " |
| MYTABLE "\n"); |
| goto bail; |
| } |
| if (SNMPERR_SUCCESS != netsnmp_inject_handler(reg, handler)) { |
| snmp_log(LOG_ERR,"error injecting container_table handler for " |
| MYTABLE "\n"); |
| goto bail; |
| } |
| handler = NULL; /* reg has it, will reuse below */ |
| |
| /************************************************* |
| * |
| * inject cache helper |
| */ |
| cache = netsnmp_cache_create(30, /* timeout in seconds */ |
| _cache_load, _cache_free, |
| hrSWInstalledTable_oid, |
| hrSWInstalledTable_oid_len); |
| |
| if (NULL == cache) { |
| snmp_log(LOG_ERR, "error creating cache for " |
| MYTABLE "\n"); |
| goto bail; |
| } |
| cache->magic = container; |
| |
| handler = netsnmp_cache_handler_get(cache); |
| if (NULL == handler) { |
| snmp_log(LOG_ERR, "error creating cache handler for " |
| MYTABLE "\n"); |
| goto bail; |
| } |
| if (SNMPERR_SUCCESS != netsnmp_inject_handler(reg, handler)) { |
| snmp_log(LOG_ERR,"error injecting cache handler for " |
| MYTABLE "\n"); |
| goto bail; |
| } |
| handler = NULL; /* reg has it*/ |
| |
| if (SNMPERR_SUCCESS != netsnmp_register_table(reg, table_info)) { |
| snmp_log(LOG_ERR,"error registering table handler for " |
| MYTABLE "\n"); |
| reg = NULL; /* it was freed inside netsnmp_register_table */ |
| goto bail; |
| } |
| |
| return; /* ok */ |
| |
| |
| bail: /* not ok */ |
| |
| if (handler) |
| netsnmp_handler_free(handler); |
| |
| if (cache) |
| netsnmp_cache_free(cache); |
| |
| if (table_info) |
| netsnmp_table_registration_info_free(table_info); |
| |
| if (container) |
| CONTAINER_FREE(container); |
| |
| if (reg) |
| netsnmp_handler_registration_free(reg); |
| |
| } |
| |
| /** handles requests for the hrSWInstalledTable table */ |
| int |
| hrSWInstalledTable_handler(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| |
| netsnmp_request_info *request; |
| netsnmp_table_request_info *table_info; |
| netsnmp_swinst_entry *table_entry; |
| |
| switch (reqinfo->mode) { |
| /* |
| * Read-support (also covers GetNext requests) |
| */ |
| case MODE_GET: |
| for (request = requests; request; request = request->next) { |
| if (request->processed) |
| continue; |
| table_entry = (netsnmp_swinst_entry *) |
| netsnmp_container_table_extract_context(request); |
| table_info = netsnmp_extract_table_info(request); |
| if ((NULL == table_entry) || (NULL == table_info)) { |
| snmp_log(LOG_ERR, "could not extract table entry or info for " |
| MYTABLE "\n"); |
| snmp_set_var_typed_value(request->requestvb, |
| SNMP_ERR_GENERR, NULL, 0); |
| continue; |
| } |
| |
| switch (table_info->colnum) { |
| case COLUMN_HRSWINSTALLEDINDEX: |
| snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, |
| table_entry->swIndex); |
| break; |
| case COLUMN_HRSWINSTALLEDNAME: { |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) table_entry->swName, |
| table_entry->swName_len); |
| } break; |
| case COLUMN_HRSWINSTALLEDID: |
| snmp_set_var_typed_value(request->requestvb, ASN_OBJECT_ID, |
| (u_char *) &nullOid, nullOidLen); |
| break; |
| case COLUMN_HRSWINSTALLEDTYPE: |
| snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, |
| table_entry->swType); |
| break; |
| case COLUMN_HRSWINSTALLEDDATE: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) table_entry->swDate, |
| table_entry->swDate_len); |
| break; |
| default: |
| /* |
| * An unsupported/unreadable column (if applicable) |
| */ |
| snmp_set_var_typed_value(request->requestvb, |
| SNMP_NOSUCHOBJECT, NULL, 0); |
| } |
| } |
| break; |
| |
| } |
| return SNMP_ERR_NOERROR; |
| } |
| |
| /*********************************************************************** |
| * |
| * DATA ACCESS |
| * |
| * The data access mechanism here is rather simple: let newsnmp_swinst_* |
| * take care of it. |
| ***********************************************************************/ |
| /** |
| * @internal |
| */ |
| static int |
| _cache_load(netsnmp_cache * cache, void *vmagic) |
| { |
| DEBUGMSGTL(("hrSWInstalledTable:cache", "load\n")); |
| |
| if ((NULL == cache) || (NULL == cache->magic)) { |
| snmp_log(LOG_ERR, "invalid cache for hrSWInstalledTable_cache_load\n"); |
| return -1; |
| } |
| |
| /** should only be called for an invalid or expired cache */ |
| netsnmp_assert((0 == cache->valid) || (1 == cache->expired)); |
| |
| cache->magic = |
| netsnmp_swinst_container_load((netsnmp_container *) cache->magic, 0); |
| |
| return 0; |
| } /* _cache_load */ |
| |
| /** |
| * @internal |
| */ |
| static void |
| _cache_free(netsnmp_cache * cache, void *magic) |
| { |
| if ((NULL == cache) || (NULL == cache->magic)) { |
| snmp_log(LOG_ERR, "invalid cache in hrSWInstalledTable_cache_free\n"); |
| return; |
| } |
| DEBUGMSGTL(("hrSWInstalledTable:cache", "free\n")); |
| |
| netsnmp_swinst_container_free_items((netsnmp_container *) cache->magic); |
| } /* _cache_free */ |
