| /* |
| * DisMan Event MIB: |
| * Implementation of the mteTriggerThresholdTable MIB interface |
| * See 'mteTrigger.c' for active behaviour of this table. |
| * |
| * (based on mib2c.table_data.conf output) |
| */ |
| |
| #include <net-snmp/net-snmp-config.h> |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| #include "disman/event/mteTrigger.h" |
| #include "disman/event/mteTriggerThresholdTable.h" |
| |
| |
| /** Initializes the mteTriggerThresholdTable module */ |
| void |
| init_mteTriggerThresholdTable(void) |
| { |
| static oid mteTThreshTable_oid[] = { 1, 3, 6, 1, 2, 1, 88, 1, 2, 6 }; |
| size_t mteTThreshTable_oid_len = OID_LENGTH(mteTThreshTable_oid); |
| netsnmp_handler_registration *reg; |
| netsnmp_table_registration_info *table_info; |
| |
| /* |
| * Ensure the (combined) table container is available... |
| */ |
| init_trigger_table_data(); |
| |
| /* |
| * ... then set up the MIB interface to the mteTriggerThresholdTable slice |
| */ |
| reg = netsnmp_create_handler_registration("mteTriggerThresholdTable", |
| mteTriggerThresholdTable_handler, |
| mteTThreshTable_oid, |
| mteTThreshTable_oid_len, |
| HANDLER_CAN_RWRITE); |
| |
| table_info = SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info); |
| netsnmp_table_helper_add_indexes(table_info, |
| ASN_OCTET_STR, /* index: mteOwner */ |
| /* index: mteTriggerName */ |
| ASN_PRIV_IMPLIED_OCTET_STR, |
| 0); |
| |
| table_info->min_column = COLUMN_MTETRIGGERTHRESHOLDSTARTUP; |
| table_info->max_column = COLUMN_MTETRIGGERTHRESHOLDDELTAFALLINGEVENT; |
| |
| /* Register this using the (common) trigger_table_data container */ |
| netsnmp_tdata_register(reg, trigger_table_data, table_info); |
| DEBUGMSGTL(("disman:event:init", "Trigger Threshold Table\n")); |
| } |
| |
| |
| /** handles requests for the mteTriggerThresholdTable table */ |
| int |
| mteTriggerThresholdTable_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 *tinfo; |
| struct mteTrigger *entry; |
| int ret; |
| |
| DEBUGMSGTL(("disman:event:mib", "Threshold Table handler (%d)\n", |
| reqinfo->mode)); |
| |
| switch (reqinfo->mode) { |
| /* |
| * Read-support (also covers GetNext requests) |
| */ |
| case MODE_GET: |
| for (request = requests; request; request = request->next) { |
| if (request->processed) |
| continue; |
| |
| entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request); |
| tinfo = netsnmp_extract_table_info(request); |
| |
| /* |
| * The mteTriggerThresholdTable should only contains entries for |
| * rows where the mteTriggerTest 'threshold(2)' bit is set. |
| * So skip entries where this isn't the case. |
| */ |
| if (!entry || !(entry->mteTriggerTest & MTE_TRIGGER_THRESHOLD )) { |
| netsnmp_request_set_error(request, SNMP_NOSUCHINSTANCE); |
| continue; |
| } |
| |
| switch (tinfo->colnum) { |
| case COLUMN_MTETRIGGERTHRESHOLDSTARTUP: |
| snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, |
| entry->mteTThStartup); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDRISING: |
| snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, |
| entry->mteTThRiseValue); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDFALLING: |
| snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, |
| entry->mteTThFallValue); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTARISING: |
| snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, |
| entry->mteTThDRiseValue); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTAFALLING: |
| snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, |
| entry->mteTThDFallValue); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDOBJECTSOWNER: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) entry->mteTThObjOwner, |
| strlen(entry->mteTThObjOwner)); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDOBJECTS: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) entry->mteTThObjects, |
| strlen(entry->mteTThObjects)); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDRISINGEVENTOWNER: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) entry->mteTThRiseOwner, |
| strlen(entry->mteTThRiseOwner)); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDRISINGEVENT: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) entry->mteTThRiseEvent, |
| strlen(entry->mteTThRiseEvent)); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDFALLINGEVENTOWNER: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) entry->mteTThFallOwner, |
| strlen(entry->mteTThFallOwner)); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDFALLINGEVENT: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) entry->mteTThFallEvent, |
| strlen(entry->mteTThFallEvent)); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTARISINGEVENTOWNER: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) entry->mteTThDRiseOwner, |
| strlen(entry->mteTThDRiseOwner)); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTARISINGEVENT: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) entry->mteTThDRiseEvent, |
| strlen(entry->mteTThDRiseEvent)); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTAFALLINGEVENTOWNER: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) entry->mteTThDFallOwner, |
| strlen(entry->mteTThDFallOwner)); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTAFALLINGEVENT: |
| snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, |
| (u_char *) entry->mteTThDFallEvent, |
| strlen(entry->mteTThDFallEvent)); |
| break; |
| } |
| } |
| break; |
| |
| /* |
| * Write-support |
| */ |
| case MODE_SET_RESERVE1: |
| for (request = requests; request; request = request->next) { |
| if (request->processed) |
| continue; |
| |
| entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request); |
| tinfo = netsnmp_extract_table_info(request); |
| |
| /* |
| * Since the mteTriggerThresholdTable only contains entries for |
| * rows where the mteTriggerTest 'threshold(2)' bit is set, |
| * strictly speaking we should reject assignments where |
| * this isn't the case. |
| * But SET requests that include an assignment of the |
| * 'threshold(2)' bit at the same time are valid, so would |
| * need to be accepted. Unfortunately, this assignment |
| * is only applied in the COMMIT pass, so it's difficult |
| * to detect whether this holds or not. |
| * |
| * Let's fudge things for now, by processing assignments |
| * even if the 'threshold(2)' bit isn't set. |
| */ |
| switch (tinfo->colnum) { |
| case COLUMN_MTETRIGGERTHRESHOLDSTARTUP: |
| ret = netsnmp_check_vb_int_range(request->requestvb, |
| MTE_THRESH_START_RISE, |
| MTE_THRESH_START_RISEFALL ); |
| if (ret != SNMP_ERR_NOERROR) { |
| netsnmp_set_request_error(reqinfo, request, ret); |
| return SNMP_ERR_NOERROR; |
| } |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDRISING: |
| case COLUMN_MTETRIGGERTHRESHOLDFALLING: |
| case COLUMN_MTETRIGGERTHRESHOLDDELTARISING: |
| case COLUMN_MTETRIGGERTHRESHOLDDELTAFALLING: |
| ret = netsnmp_check_vb_int(request->requestvb); |
| if (ret != SNMP_ERR_NOERROR) { |
| netsnmp_set_request_error(reqinfo, request, ret); |
| return SNMP_ERR_NOERROR; |
| } |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDOBJECTSOWNER: |
| case COLUMN_MTETRIGGERTHRESHOLDOBJECTS: |
| case COLUMN_MTETRIGGERTHRESHOLDRISINGEVENTOWNER: |
| case COLUMN_MTETRIGGERTHRESHOLDRISINGEVENT: |
| case COLUMN_MTETRIGGERTHRESHOLDFALLINGEVENTOWNER: |
| case COLUMN_MTETRIGGERTHRESHOLDFALLINGEVENT: |
| case COLUMN_MTETRIGGERTHRESHOLDDELTARISINGEVENTOWNER: |
| case COLUMN_MTETRIGGERTHRESHOLDDELTARISINGEVENT: |
| case COLUMN_MTETRIGGERTHRESHOLDDELTAFALLINGEVENTOWNER: |
| case COLUMN_MTETRIGGERTHRESHOLDDELTAFALLINGEVENT: |
| ret = netsnmp_check_vb_type_and_max_size( |
| request->requestvb, ASN_OCTET_STR, MTE_STR1_LEN); |
| if (ret != SNMP_ERR_NOERROR) { |
| netsnmp_set_request_error(reqinfo, request, ret); |
| return SNMP_ERR_NOERROR; |
| } |
| break; |
| default: |
| netsnmp_set_request_error(reqinfo, request, |
| SNMP_ERR_NOTWRITABLE); |
| return SNMP_ERR_NOERROR; |
| } |
| |
| /* |
| * The Event MIB is somewhat ambiguous as to whether the |
| * various trigger table entries can be modified once the |
| * main mteTriggerTable entry has been marked 'active'. |
| * But it's clear from discussion on the DisMan mailing |
| * list is that the intention is not. |
| * |
| * So check for whether this row is already active, |
| * and reject *all* SET requests if it is. |
| */ |
| entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request); |
| if (entry && |
| entry->flags & MTE_TRIGGER_FLAG_ACTIVE ) { |
| netsnmp_set_request_error(reqinfo, request, |
| SNMP_ERR_INCONSISTENTVALUE); |
| return SNMP_ERR_NOERROR; |
| } |
| } |
| break; |
| |
| case MODE_SET_RESERVE2: |
| case MODE_SET_FREE: |
| case MODE_SET_UNDO: |
| break; |
| |
| case MODE_SET_ACTION: |
| for (request = requests; request; request = request->next) { |
| if (request->processed) |
| continue; |
| |
| entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request); |
| if (!entry) { |
| /* |
| * New rows must be created via the RowStatus column |
| * (in the main mteTriggerTable) |
| */ |
| netsnmp_set_request_error(reqinfo, request, |
| SNMP_ERR_NOCREATION); |
| /* or inconsistentName? */ |
| return SNMP_ERR_NOERROR; |
| } |
| } |
| break; |
| |
| case MODE_SET_COMMIT: |
| /* |
| * All these assignments are "unfailable", so it's |
| * (reasonably) safe to apply them in the Commit phase |
| */ |
| for (request = requests; request; request = request->next) { |
| if (request->processed) |
| continue; |
| |
| entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request); |
| tinfo = netsnmp_extract_table_info(request); |
| |
| switch (tinfo->colnum) { |
| case COLUMN_MTETRIGGERTHRESHOLDSTARTUP: |
| entry->mteTThStartup = *request->requestvb->val.integer; |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDRISING: |
| entry->mteTThRiseValue = *request->requestvb->val.integer; |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDFALLING: |
| entry->mteTThFallValue = *request->requestvb->val.integer; |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTARISING: |
| entry->mteTThDRiseValue = *request->requestvb->val.integer; |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTAFALLING: |
| entry->mteTThDFallValue = *request->requestvb->val.integer; |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDOBJECTSOWNER: |
| memset(entry->mteTThObjOwner, 0, sizeof(entry->mteTThObjOwner)); |
| memcpy(entry->mteTThObjOwner, request->requestvb->val.string, |
| request->requestvb->val_len); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDOBJECTS: |
| memset(entry->mteTThObjects, 0, sizeof(entry->mteTThObjects)); |
| memcpy(entry->mteTThObjects, request->requestvb->val.string, |
| request->requestvb->val_len); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDRISINGEVENTOWNER: |
| memset(entry->mteTThRiseOwner, 0, sizeof(entry->mteTThRiseOwner)); |
| memcpy(entry->mteTThRiseOwner, request->requestvb->val.string, |
| request->requestvb->val_len); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDRISINGEVENT: |
| memset(entry->mteTThRiseEvent, 0, sizeof(entry->mteTThRiseEvent)); |
| memcpy(entry->mteTThRiseEvent, request->requestvb->val.string, |
| request->requestvb->val_len); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDFALLINGEVENTOWNER: |
| memset(entry->mteTThFallOwner, 0, sizeof(entry->mteTThFallOwner)); |
| memcpy(entry->mteTThFallOwner, request->requestvb->val.string, |
| request->requestvb->val_len); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDFALLINGEVENT: |
| memset(entry->mteTThFallEvent, 0, sizeof(entry->mteTThFallEvent)); |
| memcpy(entry->mteTThFallEvent, request->requestvb->val.string, |
| request->requestvb->val_len); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTARISINGEVENTOWNER: |
| memset(entry->mteTThDRiseOwner, 0, sizeof(entry->mteTThDRiseOwner)); |
| memcpy(entry->mteTThDRiseOwner, request->requestvb->val.string, |
| request->requestvb->val_len); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTARISINGEVENT: |
| memset(entry->mteTThDRiseEvent, 0, sizeof(entry->mteTThDRiseEvent)); |
| memcpy(entry->mteTThDRiseEvent, request->requestvb->val.string, |
| request->requestvb->val_len); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTAFALLINGEVENTOWNER: |
| memset(entry->mteTThDFallOwner, 0, sizeof(entry->mteTThDFallOwner)); |
| memcpy(entry->mteTThDFallOwner, request->requestvb->val.string, |
| request->requestvb->val_len); |
| break; |
| case COLUMN_MTETRIGGERTHRESHOLDDELTAFALLINGEVENT: |
| memset(entry->mteTThDFallEvent, 0, sizeof(entry->mteTThDFallEvent)); |
| memcpy(entry->mteTThDFallEvent, request->requestvb->val.string, |
| request->requestvb->val_len); |
| break; |
| } |
| } |
| break; |
| } |
| return SNMP_ERR_NOERROR; |
| } |