1 files changed, 120 insertions, 0 deletions
diff --git a/agent/mibgroup/disman/expr/expErrorTable.c b/agent/mibgroup/disman/expr/expErrorTable.c
new file mode 100644
index 0000000..a759e2d
--- /dev/null
+++ b/agent/mibgroup/disman/expr/expErrorTable.c
@@ -0,0 +1,120 @@
+/*
+ * DisMan Expression MIB:
+ *    Implementation of the expExpressionErrorTable MIB interface
+ * See 'expExpression.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/expr/expExpression.h"
+#include "disman/expr/expErrorTable.h"
+
+netsnmp_feature_require(table_tdata)
+
+/* Initializes the expExpressionErrorTable module */
+void
+init_expErrorTable(void)
+{
+    static oid  expErrorTable_oid[]   = { 1, 3, 6, 1, 2, 1, 90, 1, 2, 2 };
+    size_t      expErrorTable_oid_len = OID_LENGTH(expErrorTable_oid);
+    netsnmp_handler_registration    *reg;
+    netsnmp_table_registration_info *table_info;
+
+    /*
+     * Ensure the expression table container is available...
+     */
+    init_expr_table_data();
+
+    /*
+     * ... then set up the MIB interface to the expExpressionErrorTable slice
+     */
+    reg = netsnmp_create_handler_registration("expErrorTable",
+                                            expErrorTable_handler,
+                                            expErrorTable_oid,
+                                            expErrorTable_oid_len,
+                                            HANDLER_CAN_RWRITE);
+
+    table_info = SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info);
+    netsnmp_table_helper_add_indexes(table_info,
+                                          /* index: expExpressionOwner */
+                                     ASN_OCTET_STR,
+                                          /* index: expExpressionName */
+                                     ASN_OCTET_STR,
+                                     0);
+
+    table_info->min_column = COLUMN_EXPERRORTIME;
+    table_info->max_column = COLUMN_EXPERRORINSTANCE;
+
+    /* Register this using the (common) expr_table_data container */
+    netsnmp_tdata_register(reg, expr_table_data, table_info);
+    DEBUGMSGTL(("disman:expr:init", "Expression Error Table container (%p)\n",
+                                     expr_table_data));
+}
+
+
+/** handles requests for the expExpressionErrorTable table */
+int
+expErrorTable_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 expExpression       *entry;
+
+    DEBUGMSGTL(("disman:expr:mib", "Expression Error 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 expExpression *)
+                    netsnmp_tdata_extract_entry(request);
+            tinfo = netsnmp_extract_table_info(request);
+            if (!entry || !(entry->flags & EXP_FLAG_VALID))
+                continue;
+
+            /*
+             * "Entries only appear in this table ... when there
+             *  has been an error for that [matching] expression"
+             */
+            if (entry->expErrorCount == 0)
+                continue;
+
+            switch (tinfo->colnum) {
+            case COLUMN_EXPERRORTIME:
+                snmp_set_var_typed_integer(request->requestvb, ASN_TIMETICKS,
+                                           entry->expErrorTime);
+                break;
+            case COLUMN_EXPERRORINDEX:
+                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER,
+                                           entry->expErrorIndex);
+                break;
+            case COLUMN_EXPERRORCODE:
+                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER,
+                                           entry->expErrorCode);
+                break;
+            case COLUMN_EXPERRORINSTANCE:
+                snmp_set_var_typed_value(request->requestvb, ASN_OBJECT_ID,
+                              (u_char *) entry->expErrorInstance,
+                                         entry->expErrorInst_len*sizeof(oid));
+                break;
+            }
+        }
+        break;
+    }
+    DEBUGMSGTL(("disman:expr:mib", "Expression Error handler - done \n"));
+    return SNMP_ERR_NOERROR;
+}