diff options
Diffstat (limited to 'agent/mibgroup/disman/event/mteTriggerThresholdTable.c')
| -rw-r--r-- | agent/mibgroup/disman/event/mteTriggerThresholdTable.c | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/agent/mibgroup/disman/event/mteTriggerThresholdTable.c b/agent/mibgroup/disman/event/mteTriggerThresholdTable.c new file mode 100644 index 0000000..5aed0c8 --- /dev/null +++ b/agent/mibgroup/disman/event/mteTriggerThresholdTable.c @@ -0,0 +1,389 @@ +/* + * 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-features.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" + +netsnmp_feature_require(table_tdata) +#ifndef NETSNMP_NO_WRITE_SUPPORT +netsnmp_feature_require(check_vb_type_and_max_size) +#endif /* NETSNMP_NO_WRITE_SUPPORT */ + +static netsnmp_table_registration_info *table_info; + +/** 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; + + /* + * Ensure the (combined) table container is available... + */ + init_trigger_table_data(); + + /* + * ... then set up the MIB interface to the mteTriggerThresholdTable slice + */ +#ifndef NETSNMP_NO_WRITE_SUPPORT + reg = netsnmp_create_handler_registration("mteTriggerThresholdTable", + mteTriggerThresholdTable_handler, + mteTThreshTable_oid, + mteTThreshTable_oid_len, + HANDLER_CAN_RWRITE); +#else /* !NETSNMP_NO_WRITE_SUPPORT */ + reg = netsnmp_create_handler_registration("mteTriggerThresholdTable", + mteTriggerThresholdTable_handler, + mteTThreshTable_oid, + mteTThreshTable_oid_len, + HANDLER_CAN_RONLY); +#endif /* !NETSNMP_NO_WRITE_SUPPORT */ + + 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")); +} + +void +shutdown_mteTriggerThresholdTable(void) +{ + if (table_info) { + netsnmp_table_registration_info_free(table_info); + table_info = NULL; + } +} + + +/** 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; + +#ifndef NETSNMP_NO_WRITE_SUPPORT + /* + * 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; +#endif /* !NETSNMP_NO_WRITE_SUPPORT */ + + } + return SNMP_ERR_NOERROR; +} |