diff options
Diffstat (limited to 'agent/mibgroup/disman/event/mteTriggerTable.c')
| -rw-r--r-- | agent/mibgroup/disman/event/mteTriggerTable.c | 508 |
1 files changed, 508 insertions, 0 deletions
diff --git a/agent/mibgroup/disman/event/mteTriggerTable.c b/agent/mibgroup/disman/event/mteTriggerTable.c new file mode 100644 index 0000000..88c2f8b --- /dev/null +++ b/agent/mibgroup/disman/event/mteTriggerTable.c @@ -0,0 +1,508 @@ +/* + * DisMan Event MIB: + * Implementation of the mteTriggerTable 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-features.h> +#include <net-snmp/net-snmp-includes.h> +#include <net-snmp/agent/net-snmp-agent-includes.h> +#include "utilities/iquery.h" +#include "disman/event/mteTrigger.h" +#include "disman/event/mteTriggerTable.h" + +netsnmp_feature_require(iquery) +netsnmp_feature_require(table_tdata) +#ifndef NETSNMP_NO_WRITE_SUPPORT +netsnmp_feature_require(iquery_pdu_session) +netsnmp_feature_require(check_vb_type_and_max_size) +netsnmp_feature_require(check_vb_oid) +netsnmp_feature_require(check_vb_uint) +netsnmp_feature_require(mtetrigger_removeentry) +netsnmp_feature_require(check_vb_truthvalue) +netsnmp_feature_require(table_tdata_insert_row) +#endif /* NETSNMP_NO_WRITE_SUPPORT */ + +static netsnmp_table_registration_info *table_info; + +/** Initializes the mteTriggerTable module */ +void +init_mteTriggerTable(void) +{ + static oid mteTriggerTable_oid[] = { 1, 3, 6, 1, 2, 1, 88, 1, 2, 2 }; + size_t mteTriggerTable_oid_len = OID_LENGTH(mteTriggerTable_oid); + netsnmp_handler_registration *reg; + + /* + * Ensure the (combined) table container is available... + */ + init_trigger_table_data(); + + /* + * ... then set up the MIB interface to the mteTriggerTable slice + */ +#ifndef NETSNMP_NO_WRITE_SUPPORT + reg = netsnmp_create_handler_registration("mteTriggerTable", + mteTriggerTable_handler, + mteTriggerTable_oid, + mteTriggerTable_oid_len, + HANDLER_CAN_RWRITE); +#else /* !NETSNMP_NO_WRITE_SUPPORT */ + reg = netsnmp_create_handler_registration("mteTriggerTable", + mteTriggerTable_handler, + mteTriggerTable_oid, + mteTriggerTable_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_MTETRIGGERCOMMENT; + table_info->max_column = COLUMN_MTETRIGGERENTRYSTATUS; + + /* Register this using the (common) trigger_table_data container */ + netsnmp_tdata_register(reg, trigger_table_data, table_info); + DEBUGMSGTL(("disman:event:init", "Trigger Table\n")); +} + +void +shutdown_mteTriggerTable(void) +{ + if (table_info) { + netsnmp_table_registration_info_free(table_info); + table_info = NULL; + } +} + + +/** handles requests for the mteTriggerTable table */ +int +mteTriggerTable_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; + netsnmp_tdata_row *row; + struct mteTrigger *entry; + char mteOwner[MTE_STR1_LEN+1]; + char mteTName[MTE_STR1_LEN+1]; + long ret; + + DEBUGMSGTL(("disman:event:mib", "Trigger 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); + + switch (tinfo->colnum) { + case COLUMN_MTETRIGGERCOMMENT: + snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, + entry->mteTriggerComment, + strlen(entry->mteTriggerComment)); + break; + case COLUMN_MTETRIGGERTEST: + snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, + &entry->mteTriggerTest, 1); + break; + case COLUMN_MTETRIGGERSAMPLETYPE: + ret = (entry->flags & MTE_TRIGGER_FLAG_DELTA ) ? + MTE_SAMPLE_DELTA : MTE_SAMPLE_ABSOLUTE; + snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret); + break; + case COLUMN_MTETRIGGERVALUEID: + snmp_set_var_typed_value(request->requestvb, ASN_OBJECT_ID, + (u_char *) entry->mteTriggerValueID, + entry->mteTriggerValueID_len*sizeof(oid)); + break; + case COLUMN_MTETRIGGERVALUEIDWILDCARD: + ret = (entry->flags & MTE_TRIGGER_FLAG_VWILD ) ? + TV_TRUE : TV_FALSE; + snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret); + break; + case COLUMN_MTETRIGGERTARGETTAG: + snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, + entry->mteTriggerTarget, + strlen(entry->mteTriggerTarget)); + break; + case COLUMN_MTETRIGGERCONTEXTNAME: + snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, + entry->mteTriggerContext, + strlen(entry->mteTriggerContext)); + break; + case COLUMN_MTETRIGGERCONTEXTNAMEWILDCARD: + ret = (entry->flags & MTE_TRIGGER_FLAG_CWILD ) ? + TV_TRUE : TV_FALSE; + snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret); + break; + case COLUMN_MTETRIGGERFREQUENCY: + snmp_set_var_typed_integer(request->requestvb, ASN_UNSIGNED, + entry->mteTriggerFrequency); + break; + case COLUMN_MTETRIGGEROBJECTSOWNER: + snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, + entry->mteTriggerOOwner, + strlen(entry->mteTriggerOOwner)); + break; + case COLUMN_MTETRIGGEROBJECTS: + snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, + entry->mteTriggerObjects, + strlen(entry->mteTriggerObjects)); + break; + case COLUMN_MTETRIGGERENABLED: + ret = (entry->flags & MTE_TRIGGER_FLAG_ENABLED ) ? + TV_TRUE : TV_FALSE; + snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret); + break; + case COLUMN_MTETRIGGERENTRYSTATUS: + ret = (entry->flags & MTE_TRIGGER_FLAG_ACTIVE ) ? + RS_ACTIVE : RS_NOTINSERVICE; + snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret); + 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); + + switch (tinfo->colnum) { + case COLUMN_MTETRIGGERCOMMENT: + case COLUMN_MTETRIGGERTARGETTAG: + case COLUMN_MTETRIGGERCONTEXTNAME: + ret = netsnmp_check_vb_type_and_max_size( + request->requestvb, ASN_OCTET_STR, MTE_STR2_LEN); + if (ret != SNMP_ERR_NOERROR) { + netsnmp_set_request_error(reqinfo, request, ret); + return SNMP_ERR_NOERROR; + } + break; + case COLUMN_MTETRIGGERTEST: + ret = netsnmp_check_vb_type_and_size( + request->requestvb, ASN_OCTET_STR, 1); + if (ret != SNMP_ERR_NOERROR) { + netsnmp_set_request_error(reqinfo, request, ret); + return SNMP_ERR_NOERROR; + } + break; + case COLUMN_MTETRIGGERSAMPLETYPE: + ret = netsnmp_check_vb_int_range(request->requestvb, + MTE_SAMPLE_ABSOLUTE, MTE_SAMPLE_DELTA); + if (ret != SNMP_ERR_NOERROR) { + netsnmp_set_request_error(reqinfo, request, ret); + return SNMP_ERR_NOERROR; + } + break; + case COLUMN_MTETRIGGERVALUEID: + ret = netsnmp_check_vb_oid(request->requestvb); + if (ret != SNMP_ERR_NOERROR) { + netsnmp_set_request_error(reqinfo, request, ret); + return SNMP_ERR_NOERROR; + } + break; + case COLUMN_MTETRIGGERVALUEIDWILDCARD: + case COLUMN_MTETRIGGERCONTEXTNAMEWILDCARD: + case COLUMN_MTETRIGGERENABLED: + ret = netsnmp_check_vb_truthvalue(request->requestvb); + if (ret != SNMP_ERR_NOERROR) { + netsnmp_set_request_error(reqinfo, request, ret); + return SNMP_ERR_NOERROR; + } + break; + + case COLUMN_MTETRIGGERFREQUENCY: + ret = netsnmp_check_vb_uint(request->requestvb); + if (ret != SNMP_ERR_NOERROR) { + netsnmp_set_request_error(reqinfo, request, ret); + return SNMP_ERR_NOERROR; + } + break; + case COLUMN_MTETRIGGEROBJECTSOWNER: + case COLUMN_MTETRIGGEROBJECTS: + 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; + case COLUMN_MTETRIGGERENTRYSTATUS: + ret = netsnmp_check_vb_rowstatus(request->requestvb, + (entry ? RS_ACTIVE : RS_NONEXISTENT)); + 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; + } + + + /* + * Once a row has been made active, it cannot be + * modified except to delete it. There's no good + * reason for this, but that's what the MIB says. + * + * The published version of the Event MIB even forbids + * enabling (or disabling) an active row, which + * would make this object completely pointless! + * Fortunately this ludicrous decision has since been corrected. + */ + if (entry && + entry->flags & MTE_TRIGGER_FLAG_ACTIVE ) { + /* check for the acceptable assignments */ + if ((tinfo->colnum == COLUMN_MTETRIGGERENABLED) || + (tinfo->colnum == COLUMN_MTETRIGGERENTRYSTATUS && + *request->requestvb->val.integer != RS_NOTINSERVICE)) + continue; + + /* Otherwise, reject this request */ + netsnmp_set_request_error(reqinfo, request, + SNMP_ERR_INCONSISTENTVALUE); + return SNMP_ERR_NOERROR; + } + } + break; + + case MODE_SET_RESERVE2: + for (request = requests; request; request = request->next) { + if (request->processed) + continue; + + tinfo = netsnmp_extract_table_info(request); + + switch (tinfo->colnum) { + case COLUMN_MTETRIGGERENTRYSTATUS: + switch (*request->requestvb->val.integer) { + case RS_CREATEANDGO: + case RS_CREATEANDWAIT: + /* + * Create an (empty) new row structure + */ + memset(mteOwner, 0, sizeof(mteOwner)); + memcpy(mteOwner, tinfo->indexes->val.string, + tinfo->indexes->val_len); + memset(mteTName, 0, sizeof(mteTName)); + memcpy(mteTName, + tinfo->indexes->next_variable->val.string, + tinfo->indexes->next_variable->val_len); + + row = mteTrigger_createEntry(mteOwner, mteTName, 0); + if (!row) { + netsnmp_set_request_error(reqinfo, request, + SNMP_ERR_RESOURCEUNAVAILABLE); + return SNMP_ERR_NOERROR; + } + netsnmp_insert_tdata_row( request, row ); + } + } + } + break; + + case MODE_SET_FREE: + for (request = requests; request; request = request->next) { + if (request->processed) + continue; + + tinfo = netsnmp_extract_table_info(request); + + switch (tinfo->colnum) { + case COLUMN_MTETRIGGERENTRYSTATUS: + switch (*request->requestvb->val.integer) { + case RS_CREATEANDGO: + case RS_CREATEANDWAIT: + /* + * Tidy up after a failed row creation request + */ + entry = (struct mteTrigger *) + netsnmp_tdata_extract_entry(request); + if (entry && + !(entry->flags & MTE_TRIGGER_FLAG_VALID)) { + row = (netsnmp_tdata_row *) + netsnmp_tdata_extract_row(request); + mteTrigger_removeEntry( row ); + } + } + } + } + break; + + case MODE_SET_ACTION: + for (request = requests; request; request = request->next) { + if (request->processed) + continue; + + tinfo = netsnmp_extract_table_info(request); + entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request); + if (!entry) { + /* + * New rows must be created via the RowStatus column + */ + netsnmp_set_request_error(reqinfo, request, + SNMP_ERR_NOCREATION); + /* or inconsistentName? */ + return SNMP_ERR_NOERROR; + + } + } + break; + + case MODE_SET_UNDO: + 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_MTETRIGGERCOMMENT: + memset(entry->mteTriggerComment, 0, + sizeof(entry->mteTriggerComment)); + memcpy(entry->mteTriggerComment, + request->requestvb->val.string, + request->requestvb->val_len); + break; + case COLUMN_MTETRIGGERTEST: + entry->mteTriggerTest = request->requestvb->val.string[0]; + break; + case COLUMN_MTETRIGGERSAMPLETYPE: + if (*request->requestvb->val.integer == MTE_SAMPLE_DELTA) + entry->flags |= MTE_TRIGGER_FLAG_DELTA; + else + entry->flags &= ~MTE_TRIGGER_FLAG_DELTA; + break; + case COLUMN_MTETRIGGERVALUEID: + memset(entry->mteTriggerValueID, 0, + sizeof(entry->mteTriggerValueID)); + memcpy(entry->mteTriggerValueID, + request->requestvb->val.string, + request->requestvb->val_len); + entry->mteTriggerValueID_len = request->requestvb->val_len/sizeof(oid); + break; + case COLUMN_MTETRIGGERVALUEIDWILDCARD: + if (*request->requestvb->val.integer == TV_TRUE) + entry->flags |= MTE_TRIGGER_FLAG_VWILD; + else + entry->flags &= ~MTE_TRIGGER_FLAG_VWILD; + break; + case COLUMN_MTETRIGGERTARGETTAG: + memset(entry->mteTriggerTarget, 0, + sizeof(entry->mteTriggerTarget)); + memcpy(entry->mteTriggerTarget, + request->requestvb->val.string, + request->requestvb->val_len); + break; + case COLUMN_MTETRIGGERCONTEXTNAME: + memset(entry->mteTriggerContext, 0, + sizeof(entry->mteTriggerContext)); + memcpy(entry->mteTriggerContext, + request->requestvb->val.string, + request->requestvb->val_len); + break; + case COLUMN_MTETRIGGERCONTEXTNAMEWILDCARD: + if (*request->requestvb->val.integer == TV_TRUE) + entry->flags |= MTE_TRIGGER_FLAG_CWILD; + else + entry->flags &= ~MTE_TRIGGER_FLAG_CWILD; + break; + case COLUMN_MTETRIGGERFREQUENCY: + entry->mteTriggerFrequency = *request->requestvb->val.integer; + break; + case COLUMN_MTETRIGGEROBJECTSOWNER: + memset(entry->mteTriggerOOwner, 0, + sizeof(entry->mteTriggerOOwner)); + memcpy(entry->mteTriggerOOwner, + request->requestvb->val.string, + request->requestvb->val_len); + break; + case COLUMN_MTETRIGGEROBJECTS: + memset(entry->mteTriggerObjects, 0, + sizeof(entry->mteTriggerObjects)); + memcpy(entry->mteTriggerObjects, + request->requestvb->val.string, + request->requestvb->val_len); + break; + case COLUMN_MTETRIGGERENABLED: + if (*request->requestvb->val.integer == TV_TRUE) + entry->flags |= MTE_TRIGGER_FLAG_ENABLED; + else + entry->flags &= ~MTE_TRIGGER_FLAG_ENABLED; + break; + case COLUMN_MTETRIGGERENTRYSTATUS: + switch (*request->requestvb->val.integer) { + case RS_ACTIVE: + entry->flags |= MTE_TRIGGER_FLAG_ACTIVE; + mteTrigger_enable( entry ); + break; + case RS_CREATEANDGO: + entry->flags |= MTE_TRIGGER_FLAG_ACTIVE; + entry->flags |= MTE_TRIGGER_FLAG_VALID; + entry->session = + netsnmp_iquery_pdu_session(reqinfo->asp->pdu); + mteTrigger_enable( entry ); + break; + case RS_CREATEANDWAIT: + entry->flags |= MTE_TRIGGER_FLAG_VALID; + entry->session = + netsnmp_iquery_pdu_session(reqinfo->asp->pdu); + break; + + case RS_DESTROY: + row = (netsnmp_tdata_row *) + netsnmp_tdata_extract_row(request); + mteTrigger_removeEntry(row); + } + break; + } + } + + /** set up to save persistent store */ + snmp_store_needed(NULL); + + break; + +#endif /* !NETSNMP_NO_WRITE_SUPPORT */ + + } + return SNMP_ERR_NOERROR; +} |