Add 'libosmocore/' from commit '045cc22baeb7f12dcb0022b79a1984d86e922870'
git-subtree-dir: libosmocore
git-subtree-mainline: e164d29e7f6c86d1f6f047bbf58159e46a11425f
git-subtree-split: 045cc22baeb7f12dcb0022b79a1984d86e922870
diff --git a/libosmocore/src/statistics.c b/libosmocore/src/statistics.c
new file mode 100644
index 0000000..34e6a40
--- /dev/null
+++ b/libosmocore/src/statistics.c
@@ -0,0 +1,66 @@
+/* utility routines for keeping some statistics */
+
+/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+
+#include <sys/types.h>
+
+#include <osmocore/linuxlist.h>
+#include <osmocore/talloc.h>
+#include <osmocore/statistics.h>
+
+static LLIST_HEAD(counters);
+
+void *tall_ctr_ctx;
+
+struct counter *counter_alloc(const char *name)
+{
+ struct counter *ctr = talloc_zero(tall_ctr_ctx, struct counter);
+
+ if (!ctr)
+ return NULL;
+
+ ctr->name = name;
+ llist_add_tail(&ctr->list, &counters);
+
+ return ctr;
+}
+
+void counter_free(struct counter *ctr)
+{
+ llist_del(&ctr->list);
+ talloc_free(ctr);
+}
+
+int counters_for_each(int (*handle_counter)(struct counter *, void *), void *data)
+{
+ struct counter *ctr;
+ int rc = 0;
+
+ llist_for_each_entry(ctr, &counters, list) {
+ rc = handle_counter(ctr, data);
+ if (rc < 0)
+ return rc;
+ }
+
+ return rc;
+}
+