1 files changed, 117 insertions, 0 deletions
diff --git a/agent/mibgroup/hardware/memory/memory_dynix.c b/agent/mibgroup/hardware/memory/memory_dynix.c
new file mode 100644
index 0000000..9b0bc50
--- /dev/null
+++ b/agent/mibgroup/hardware/memory/memory_dynix.c
@@ -0,0 +1,117 @@
+#include <net-snmp/net-snmp-config.h>
+#include <net-snmp/net-snmp-includes.h>
+#include <net-snmp/agent/net-snmp-agent-includes.h>
+#include <net-snmp/agent/hardware/memory.h>
+
+#include <unistd.h>
+
+#  ifdef HAVE_SYS_SWAP_H
+#    include <sys/swap.h>
+#  endif
+#  ifdef HAVE_SYS_PARAM_H
+#    include <sys/param.h>
+#  endif
+
+/*
+ * Retained from UCD implementation
+ */
+long
+getTotalSwap(void)
+{
+    long            total_swp_sectors = -1;
+
+    size_t          max_elements = MAXSWAPDEVS;
+    swapsize_t      swap_dblks[MAXSWAPDEVS];
+    swapstat_t      swap_status;
+    int             swap_sizes;
+
+    if ((swap_sizes =
+         getswapstat(max_elements, swap_dblks, &swap_status) >= 0))
+        total_swp_sectors =
+            swap_dblks[0].sws_size * swap_dblks[0].sws_total;
+
+    return (total_swp_sectors);
+}
+
+long
+getFreeSwap(void)
+{
+    long            free_swp_sectors = -1;
+
+    size_t          max_elements = MAXSWAPDEVS;
+    swapsize_t      swap_dblks[MAXSWAPDEVS];
+    swapstat_t      swap_status;
+    int             i, swap_sizes;
+
+    if ((swap_sizes =
+         getswapstat(max_elements, swap_dblks, &swap_status) >= 0)) {
+        for (i = 0; i < swap_sizes; i++)
+            free_swp_sectors +=
+                swap_dblks[0].sws_size * swap_dblks[i].sws_avail;
+    }
+
+    return (free_swp_sectors);
+}
+
+/*
+ * return is in kilobytes 
+ */
+long
+getTotalFree(void)
+{
+    long            free_swap = S2KB(getFreeSwap());
+    long            free_mem = P2KB(sysconf(_SC_FREEMEM));
+
+    if (free_swap < 0)
+        return (free_swap);
+    if (free_mem < 0)
+        return (free_mem);
+
+    free_mem += free_swap;
+    return (free_mem);
+}
+
+
+    /*
+     * Load the latest memory usage statistics
+     */
+int netsnmp_mem_arch_load( netsnmp_cache *cache, void *magic ) {
+
+    netsnmp_memory_info *mem;
+
+    mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_PHYSMEM, 1 );
+    if (!mem) {
+        snmp_log_perror("No Memory info entry");
+    } else {
+        if (!mem->descr)
+            mem->descr = strdup( "Physical memory" );
+        mem->units = P2KB(1)*1024;
+        mem->size  = sysconf(_SC_PHYSMEM);
+        mem->free  = sysconf(_SC_FREEMEM);
+    }
+
+    mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_SWAP, 1 );
+    if (!mem) {
+        snmp_log_perror("No Swap info entry");
+    } else {
+        if (!mem->descr)
+            mem->descr = strdup( "Swap space" );
+        mem->units = S2KB(1)*1024;
+        mem->size = getTotalSwap();
+        mem->free = getFreeSwap();
+    }
+
+/*
+    mem = netsnmp_memory_get_byIdx( NETSNMP_MEM_TYPE_MISC, 1 );
+    if (!mem) {
+        snmp_log_perror("No Buffer, etc info entry");
+    } else {
+        mem->units = 1024;
+        mem->size = -1;
+        mem->free = getTotalFree();
+        mem->other = -1;
+    }
+*/
+
+    return 0;
+}