mmap-based fixed-size record double-buffered logger

Change-Id: I760b482b9de457bbb17de817db7079b57d3f5ec1
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 75 insertions, 0 deletions

diff --git a/src/vppinfra/test_maplog.c b/src/vppinfra/test_maplog.c
new file mode 100644
index 00000000000..fb9fb0cc543
--- /dev/null
+++ b/src/vppinfra/test_maplog.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
+#include <vppinfra/maplog.h>
+
+clib_maplog_main_t maplog_main;
+
+typedef struct
+{
+  u64 serial_number;
+  u64 junk[7];
+} test_entry_t;
+
+int
+test_maplog_main (unformat_input_t * input)
+{
+  clib_maplog_main_t *mm = &maplog_main;
+  int rv;
+  int i;
+  test_entry_t *t;
+
+  rv = clib_maplog_init (mm, "/tmp/maplog_test", 4096, sizeof (test_entry_t));
+
+  if (rv)
+    {
+      clib_warning ("clib_maplog_init returned %d", rv);
+      exit (1);
+    }
+
+  for (i = 0; i < 64 * 5; i++)
+    {
+      t = clib_maplog_get_entry (mm);
+      t->serial_number = i;
+    }
+
+  clib_maplog_close (mm);
+
+  return 0;
+}
+
+#ifdef CLIB_UNIX
+int
+main (int argc, char *argv[])
+{
+  unformat_input_t i;
+  int ret;
+
+  unformat_init_command_line (&i, argv);
+  ret = test_maplog_main (&i);
+  unformat_free (&i);
+
+  return ret;
+}
+#endif /* CLIB_UNIX */
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */