1 files changed, 97 insertions, 0 deletions
diff --git a/agent/mibgroup/disman/expr/expScalars.c b/agent/mibgroup/disman/expr/expScalars.c
new file mode 100644
index 0000000..4a3ebc7
--- /dev/null
+++ b/agent/mibgroup/disman/expr/expScalars.c
@@ -0,0 +1,97 @@
+
+#include <net-snmp/net-snmp-config.h>
+#include <net-snmp/net-snmp-includes.h>
+#include <net-snmp/agent/net-snmp-agent-includes.h>
+#include "expScalars.h"
+#include "expExpression.h"
+
+/** Initializes the expScalars module */
+void
+init_expScalars(void)
+{
+    static oid  expResource_oid[] = { 1, 3, 6, 1, 2, 1, 90, 1, 1 };
+
+    DEBUGMSGTL(("expScalars", "Initializing\n"));
+
+    netsnmp_register_scalar_group(
+        netsnmp_create_handler_registration("expResource",
+                             handle_expResourceGroup,
+                             expResource_oid, OID_LENGTH(expResource_oid),
+                             HANDLER_CAN_RONLY),
+        EXP_RESOURCE_MIN_DELTA, EXP_RESOURCE_SAMPLE_LACKS);
+
+}
+
+int
+handle_expResourceGroup(netsnmp_mib_handler          *handler,
+                        netsnmp_handler_registration *reginfo,
+                        netsnmp_agent_request_info   *reqinfo,
+                        netsnmp_request_info         *requests)
+{
+    oid  obj;
+    long value = 0;
+
+    switch (reqinfo->mode) {
+    case MODE_GET:
+        obj = requests->requestvb->name[ requests->requestvb->name_length-2 ];
+        switch (obj) {
+        case EXP_RESOURCE_MIN_DELTA:
+             value = 1;		/* Fixed minimum sample frequency */
+             snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER,
+                                      (u_char *)&value, sizeof(value));
+             break;
+             
+        case EXP_RESOURCE_SAMPLE_MAX:
+             value = 0;		/* No fixed maximum */
+             snmp_set_var_typed_value(requests->requestvb, ASN_UNSIGNED,
+                                      (u_char *)&value, sizeof(value));
+             break;
+
+        case EXP_RESOURCE_SAMPLE_INSTANCES:
+#ifdef USING_DISMAN_EXPR_EXPEXPRESSION_MODULE
+             value = expExpression_getNumEntries(0);
+#else
+             value = 0;
+#endif
+             snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE,
+                                      (u_char *)&value, sizeof(value));
+             break;
+             
+	case EXP_RESOURCE_SAMPLE_HIGH:
+#ifdef USING_DISMAN_EXPR_EXPEXPRESSION_MODULE
+             value = expExpression_getNumEntries(1);
+#else
+             value = 0;
+#endif
+             snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE,
+                                      (u_char *)&value, sizeof(value));
+             break;
+             
+	case EXP_RESOURCE_SAMPLE_LACKS:
+             value = 0;		/* expResSampleInstMax not used */
+             snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
+                                      (u_char *)&value, sizeof(value));
+             break;
+             
+        default:
+             snmp_log(LOG_ERR,
+                 "unknown object (%d) in handle_expResourceGroup\n", (int)obj);
+             return SNMP_ERR_GENERR;
+        }
+        break;
+
+    default:
+        /*
+         * Although expResourceDeltaMinimum and expResDeltaWildcardInstMaximum
+         *  are defined with MAX-ACCESS read-write, this version hardcodes
+         *  these values, so doesn't need to implement write access.
+         */
+        snmp_log(LOG_ERR,
+                 "unknown mode (%d) in handle_expResourceGroup\n",
+                 reqinfo->mode);
+        return SNMP_ERR_GENERR;
+    }
+
+    return SNMP_ERR_NOERROR;
+}
+