X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=ovsdb%2Fovsdb.c;h=e27d0def49d1e41b391f0abc83fd282b4585ef36;hb=c5cf10598f8c9f4428291e9df3ecd72a05fb1ccf;hp=abe88e9f9fb86df34ac13025d716fb91c0a00460;hpb=42a49b96013c6a149ad0bdd9799b22db59630ae7;p=sliver-openvswitch.git

diff --git a/ovsdb/ovsdb.c b/ovsdb/ovsdb.c
index abe88e9f9..e27d0def4 100644
--- a/ovsdb/ovsdb.c
+++ b/ovsdb/ovsdb.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009, 2010, 2011 Nicira Networks
+/* Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@
 #include "ovsdb-error.h"
 #include "ovsdb-parser.h"
 #include "ovsdb-types.h"
+#include "simap.h"
 #include "table.h"
 #include "transaction.h"
 
@@ -139,7 +140,7 @@ static bool
 is_valid_version(const char *s)
 {
     int n = -1;
-    ignore(sscanf(s, "%*[0-9].%*[0-9].%*[0-9]%n", &n));
+    ignore(ovs_scan(s, "%*[0-9].%*[0-9].%*[0-9]%n", &n));
     return n != -1 && s[n] == '\0';
 }
 
@@ -253,7 +254,7 @@ ovsdb_schema_from_json(struct json *json, struct ovsdb_schema **schemap)
     }
 
     *schemap = schema;
-    return 0;
+    return NULL;
 }
 
 struct json *
@@ -384,6 +385,25 @@ ovsdb_destroy(struct ovsdb *db)
     }
 }
 
+/* Adds some memory usage statistics for 'db' into 'usage', for use with
+ * memory_report(). */
+void
+ovsdb_get_memory_usage(const struct ovsdb *db, struct simap *usage)
+{
+    const struct shash_node *node;
+    unsigned int cells = 0;
+
+    SHASH_FOR_EACH (node, &db->tables) {
+        const struct ovsdb_table *table = node->data;
+        unsigned int n_columns = shash_count(&table->schema->columns);
+        unsigned int n_rows = hmap_count(&table->rows);
+
+        cells += n_rows * n_columns;
+    }
+
+    simap_increase(usage, "cells", cells);
+}
+
 struct ovsdb_table *
 ovsdb_get_table(const struct ovsdb *db, const char *name)
 {