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-rw-r--r--agent/mibgroup/disman/event/mteEventNotificationTable.c266
1 files changed, 266 insertions, 0 deletions
diff --git a/agent/mibgroup/disman/event/mteEventNotificationTable.c b/agent/mibgroup/disman/event/mteEventNotificationTable.c
new file mode 100644
index 0000000..7d2c94a
--- /dev/null
+++ b/agent/mibgroup/disman/event/mteEventNotificationTable.c
@@ -0,0 +1,266 @@
+/*
+ * DisMan Event MIB:
+ * Implementation of the mteEventNotificationTable MIB interface
+ * See 'mteEvent.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/mteEvent.h"
+#include "disman/event/mteEventNotificationTable.h"
+
+netsnmp_feature_require(table_tdata)
+#ifndef NETSNMP_NO_WRITE_SUPPORT
+netsnmp_feature_require(check_vb_type_and_max_size)
+netsnmp_feature_require(check_vb_oid)
+#endif /* NETSNMP_NO_WRITE_SUPPORT */
+
+static netsnmp_table_registration_info *table_info;
+
+/* Initializes the mteEventNotificationTable module */
+void
+init_mteEventNotificationTable(void)
+{
+ static oid mteEventNotificationTable_oid[] = { 1, 3, 6, 1, 2, 1, 88, 1, 4, 3 };
+ size_t mteEventNotificationTable_oid_len = OID_LENGTH(mteEventNotificationTable_oid);
+ netsnmp_handler_registration *reg;
+
+ /*
+ * Ensure the (combined) table container is available...
+ */
+ init_event_table_data();
+
+ /*
+ * ... then set up the MIB interface to the mteEventNotificationTable slice
+ */
+#ifndef NETSNMP_NO_WRITE_SUPPORT
+ reg = netsnmp_create_handler_registration("mteEventNotificationTable",
+ mteEventNotificationTable_handler,
+ mteEventNotificationTable_oid,
+ mteEventNotificationTable_oid_len,
+ HANDLER_CAN_RWRITE);
+#else /* !NETSNMP_NO_WRITE_SUPPORT */
+ reg = netsnmp_create_handler_registration("mteEventNotificationTable",
+ mteEventNotificationTable_handler,
+ mteEventNotificationTable_oid,
+ mteEventNotificationTable_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: mteEventName */
+ ASN_PRIV_IMPLIED_OCTET_STR,
+ 0);
+
+ table_info->min_column = COLUMN_MTEEVENTNOTIFICATION;
+ table_info->max_column = COLUMN_MTEEVENTNOTIFICATIONOBJECTS;
+
+ /* Register this using the (common) event_table_data container */
+ netsnmp_tdata_register(reg, event_table_data, table_info);
+ DEBUGMSGTL(("disman:event:init", "Event Notify Table container (%p)\n",
+ event_table_data));
+}
+
+void
+shutdown_mteEventNotificationTable(void)
+{
+ if (table_info) {
+ netsnmp_table_registration_info_free(table_info);
+ table_info = NULL;
+ }
+}
+
+
+/** handles requests for the mteEventNotificationTable table */
+int
+mteEventNotificationTable_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 mteEvent *entry;
+ int ret;
+
+ DEBUGMSGTL(("disman:event:mib", "Notification 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 mteEvent *) netsnmp_tdata_extract_entry(request);
+ tinfo = netsnmp_extract_table_info(request);
+
+ /*
+ * The mteEventNotificationTable should only contains entries
+ * for rows where the mteEventActions 'notification(0)' bit
+ * is set. So skip entries where this isn't the case.
+ */
+ if (!entry || !(entry->mteEventActions & MTE_EVENT_NOTIFICATION))
+ continue;
+
+ switch (tinfo->colnum) {
+ case COLUMN_MTEEVENTNOTIFICATION:
+ snmp_set_var_typed_value(request->requestvb, ASN_OBJECT_ID,
+ (u_char *) entry->mteNotification,
+ entry->mteNotification_len*sizeof(oid));
+ break;
+ case COLUMN_MTEEVENTNOTIFICATIONOBJECTSOWNER:
+ snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
+ (u_char *) entry->mteNotifyOwner,
+ strlen(entry->mteNotifyOwner));
+ break;
+ case COLUMN_MTEEVENTNOTIFICATIONOBJECTS:
+ snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
+ (u_char *) entry->mteNotifyObjects,
+ strlen(entry->mteNotifyObjects));
+ break;
+ }
+ }
+ break;
+
+
+#ifndef NETSNMP_NO_WRITE_SUPPORT
+ /*
+ * Write-support
+ */
+ case MODE_SET_RESERVE1:
+ for (request = requests; request; request = request->next) {
+ if (request->processed)
+ continue;
+
+ tinfo = netsnmp_extract_table_info(request);
+
+ /*
+ * Since the mteEventNotificationTable only contains entries
+ * for rows where the mteEventActions 'notification(0)'
+ * bit is set, strictly speaking we should reject
+ * assignments where this isn't the case.
+ * But SET requests that include an assignment of the
+ * 'notification(0)' 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 'notification(0)' bit isn't set.
+ */
+
+ switch (tinfo->colnum) {
+ case COLUMN_MTEEVENTNOTIFICATION:
+ 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_MTEEVENTNOTIFICATIONOBJECTSOWNER:
+ case COLUMN_MTEEVENTNOTIFICATIONOBJECTS:
+ 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
+ * mteEventNotificationTable (and mteEventSetTable)
+ * entries can be modified once the main mteEventTable
+ * 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 mteEvent *) netsnmp_tdata_extract_entry(request);
+ if (entry &&
+ entry->flags & MTE_EVENT_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 mteEvent *) netsnmp_tdata_extract_entry(request);
+ if (!entry) {
+ /*
+ * New rows must be created via the RowStatus column
+ * (in the main mteEventTable)
+ */
+ 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 mteEvent *) netsnmp_tdata_extract_entry(request);
+ tinfo = netsnmp_extract_table_info(request);
+
+ switch (tinfo->colnum) {
+ case COLUMN_MTEEVENTNOTIFICATION:
+ memset(entry->mteNotification, 0, sizeof(entry->mteNotification));
+ memcpy(entry->mteNotification, request->requestvb->val.objid,
+ request->requestvb->val_len);
+ entry->mteNotification_len = request->requestvb->val_len/sizeof(oid);
+ break;
+ case COLUMN_MTEEVENTNOTIFICATIONOBJECTSOWNER:
+ memset(entry->mteNotifyOwner, 0, sizeof(entry->mteNotifyOwner));
+ memcpy(entry->mteNotifyOwner, request->requestvb->val.string,
+ request->requestvb->val_len);
+ break;
+ case COLUMN_MTEEVENTNOTIFICATIONOBJECTS:
+ memset(entry->mteNotifyObjects, 0, sizeof(entry->mteNotifyObjects));
+ memcpy(entry->mteNotifyObjects, request->requestvb->val.string,
+ request->requestvb->val_len);
+ break;
+ }
+ }
+ break;
+#endif /* !NETSNMP_NO_WRITE_SUPPORT */
+ }
+ return SNMP_ERR_NOERROR;
+}
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