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-rw-r--r--agent/mibgroup/disman/event/mteEventTable.c375
1 files changed, 375 insertions, 0 deletions
diff --git a/agent/mibgroup/disman/event/mteEventTable.c b/agent/mibgroup/disman/event/mteEventTable.c
new file mode 100644
index 0000000..c5b534e
--- /dev/null
+++ b/agent/mibgroup/disman/event/mteEventTable.c
@@ -0,0 +1,375 @@
+/*
+ * DisMan Event MIB:
+ * Implementation of the mteEventTable 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 "utilities/iquery.h"
+#include "disman/event/mteEvent.h"
+#include "disman/event/mteEventTable.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(mteevent_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 mteEventTable module */
+void
+init_mteEventTable(void)
+{
+ static oid mteEventTable_oid[] = { 1, 3, 6, 1, 2, 1, 88, 1, 4, 2 };
+ size_t mteEventTable_oid_len = OID_LENGTH(mteEventTable_oid);
+ netsnmp_handler_registration *reg;
+
+ /*
+ * Ensure the (combined) table container is available...
+ */
+ init_event_table_data();
+
+ /*
+ * ... then set up the MIB interface to the mteEventTable slice
+ */
+#ifndef NETSNMP_NO_WRITE_SUPPORT
+ reg = netsnmp_create_handler_registration("mteEventTable",
+ mteEventTable_handler,
+ mteEventTable_oid,
+ mteEventTable_oid_len,
+ HANDLER_CAN_RWRITE);
+#else /* !NETSNMP_NO_WRITE_SUPPORT */
+ reg = netsnmp_create_handler_registration("mteEventTable",
+ mteEventTable_handler,
+ mteEventTable_oid,
+ mteEventTable_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_MTEEVENTCOMMENT;
+ table_info->max_column = COLUMN_MTEEVENTENTRYSTATUS;
+
+ /* Register this using the (common) event_table_data container */
+ netsnmp_tdata_register(reg, event_table_data, table_info);
+ DEBUGMSGTL(("disman:event:init", "Event Table container (%p)\n",
+ event_table_data));
+}
+
+void
+shutdown_mteEventTable(void)
+{
+ if (table_info) {
+ netsnmp_table_registration_info_free(table_info);
+ table_info = NULL;
+ }
+}
+
+/** handles requests for the mteEventTable table */
+int
+mteEventTable_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 mteEvent *entry;
+ char mteOwner[MTE_STR1_LEN+1];
+ char mteEName[MTE_STR1_LEN+1];
+ long ret;
+
+ DEBUGMSGTL(("disman:event:mib", "Event 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);
+ if (!entry || !(entry->flags & MTE_EVENT_FLAG_VALID))
+ continue;
+
+ switch (tinfo->colnum) {
+ case COLUMN_MTEEVENTCOMMENT:
+ snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
+ entry->mteEventComment,
+ strlen(entry->mteEventComment));
+ break;
+ case COLUMN_MTEEVENTACTIONS:
+ snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
+ &entry->mteEventActions, 1);
+ break;
+ case COLUMN_MTEEVENTENABLED:
+ ret = (entry->flags & MTE_EVENT_FLAG_ENABLED ) ?
+ TV_TRUE : TV_FALSE;
+ snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
+ break;
+ case COLUMN_MTEEVENTENTRYSTATUS:
+ ret = (entry->flags & MTE_EVENT_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 mteEvent *) netsnmp_tdata_extract_entry(request);
+ tinfo = netsnmp_extract_table_info(request);
+
+ switch (tinfo->colnum) {
+ case COLUMN_MTEEVENTCOMMENT:
+ 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;
+ }
+ /*
+ * Can't modify the comment of an active row
+ * (No good reason for this, but that's what the MIB says!)
+ */
+ if (entry &&
+ entry->flags & MTE_EVENT_FLAG_ACTIVE ) {
+ netsnmp_set_request_error(reqinfo, request,
+ SNMP_ERR_INCONSISTENTVALUE);
+ return SNMP_ERR_NOERROR;
+ }
+ break;
+ case COLUMN_MTEEVENTACTIONS:
+ 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;
+ }
+ /*
+ * Can't modify the event types of an active row
+ * (A little more understandable perhaps,
+ * but still an unnecessary restriction IMO)
+ */
+ if (entry &&
+ entry->flags & MTE_EVENT_FLAG_ACTIVE ) {
+ netsnmp_set_request_error(reqinfo, request,
+ SNMP_ERR_INCONSISTENTVALUE);
+ return SNMP_ERR_NOERROR;
+ }
+ break;
+ case COLUMN_MTEEVENTENABLED:
+ ret = netsnmp_check_vb_truthvalue(request->requestvb);
+ if (ret != SNMP_ERR_NOERROR) {
+ netsnmp_set_request_error(reqinfo, request, ret);
+ return SNMP_ERR_NOERROR;
+ }
+ /*
+ * The published version of the Event MIB forbids
+ * enabling (or disabling) an active row, which
+ * would make this object completely pointless!
+ * Fortunately this ludicrous decision has since been corrected.
+ */
+ break;
+
+ case COLUMN_MTEEVENTENTRYSTATUS:
+ 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;
+ }
+ /* An active row can only be deleted */
+ if (entry &&
+ entry->flags & MTE_EVENT_FLAG_ACTIVE &&
+ *request->requestvb->val.integer == RS_NOTINSERVICE ) {
+ netsnmp_set_request_error(reqinfo, request,
+ SNMP_ERR_INCONSISTENTVALUE);
+ return SNMP_ERR_NOERROR;
+ }
+ break;
+ default:
+ netsnmp_set_request_error(reqinfo, request,
+ SNMP_ERR_NOTWRITABLE);
+ 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_MTEEVENTENTRYSTATUS:
+ 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(mteEName, 0, sizeof(mteEName));
+ memcpy(mteEName,
+ tinfo->indexes->next_variable->val.string,
+ tinfo->indexes->next_variable->val_len);
+
+ row = mteEvent_createEntry(mteOwner, mteEName, 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_MTEEVENTENTRYSTATUS:
+ switch (*request->requestvb->val.integer) {
+ case RS_CREATEANDGO:
+ case RS_CREATEANDWAIT:
+ /*
+ * Tidy up after a failed row creation request
+ */
+ entry = (struct mteEvent *)
+ netsnmp_tdata_extract_entry(request);
+ if (entry &&
+ !(entry->flags & MTE_EVENT_FLAG_VALID)) {
+ row = (netsnmp_tdata_row *)
+ netsnmp_tdata_extract_row(request);
+ mteEvent_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 mteEvent *) 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 mteEvent *) netsnmp_tdata_extract_entry(request);
+ tinfo = netsnmp_extract_table_info(request);
+
+ switch (tinfo->colnum) {
+ case COLUMN_MTEEVENTCOMMENT:
+ memset(entry->mteEventComment, 0,
+ sizeof(entry->mteEventComment));
+ memcpy(entry->mteEventComment,
+ request->requestvb->val.string,
+ request->requestvb->val_len);
+ break;
+
+ case COLUMN_MTEEVENTACTIONS:
+ entry->mteEventActions = request->requestvb->val.string[0];
+ break;
+
+ case COLUMN_MTEEVENTENABLED:
+ if (*request->requestvb->val.integer == TV_TRUE)
+ entry->flags |= MTE_EVENT_FLAG_ENABLED;
+ else
+ entry->flags &= ~MTE_EVENT_FLAG_ENABLED;
+ break;
+
+ case COLUMN_MTEEVENTENTRYSTATUS:
+ switch (*request->requestvb->val.integer) {
+ case RS_ACTIVE:
+ entry->flags |= MTE_EVENT_FLAG_ACTIVE;
+ break;
+ case RS_CREATEANDGO:
+ entry->flags |= MTE_EVENT_FLAG_ACTIVE;
+ /* fall-through */
+ case RS_CREATEANDWAIT:
+ entry->flags |= MTE_EVENT_FLAG_VALID;
+ entry->session =
+ netsnmp_iquery_pdu_session(reqinfo->asp->pdu);
+ break;
+
+ case RS_DESTROY:
+ row = (netsnmp_tdata_row *)
+ netsnmp_tdata_extract_row(request);
+ mteEvent_removeEntry(row);
+ }
+ }
+ }
+ break;
+#endif /* !NETSNMP_NO_WRITE_SUPPORT */
+
+ }
+ DEBUGMSGTL(("disman:event:mib", "Table handler, done\n"));
+ return SNMP_ERR_NOERROR;
+}