1 files changed, 71 insertions, 0 deletions
diff --git a/telemetry/vpp-collectd/common/meta_data.h b/telemetry/vpp-collectd/common/meta_data.h
new file mode 100644
index 000000000..203b14607
--- /dev/null
+++ b/telemetry/vpp-collectd/common/meta_data.h
@@ -0,0 +1,71 @@
+/**
+ * collectd - src/meta_data.h
+ * Copyright (C) 2008-2011  Florian octo Forster
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *   Florian octo Forster <octo at collectd.org>
+ **/
+
+#ifndef META_DATA_H
+#define META_DATA_H
+
+#include "collectd.h"
+
+/*
+ * Defines
+ */
+#define MD_TYPE_STRING 1
+#define MD_TYPE_SIGNED_INT 2
+#define MD_TYPE_UNSIGNED_INT 3
+#define MD_TYPE_DOUBLE 4
+#define MD_TYPE_BOOLEAN 5
+
+struct meta_data_s;
+typedef struct meta_data_s meta_data_t;
+
+meta_data_t *meta_data_create(void);
+meta_data_t *meta_data_clone(meta_data_t *orig);
+int meta_data_clone_merge(meta_data_t **dest, meta_data_t *orig);
+void meta_data_destroy(meta_data_t *md);
+
+int meta_data_exists(meta_data_t *md, const char *key);
+int meta_data_type(meta_data_t *md, const char *key);
+int meta_data_toc(meta_data_t *md, char ***toc);
+int meta_data_delete(meta_data_t *md, const char *key);
+
+int meta_data_add_string(meta_data_t *md, const char *key, const char *value);
+int meta_data_add_signed_int(meta_data_t *md, const char *key, int64_t value);
+int meta_data_add_unsigned_int(meta_data_t *md, const char *key,
+                               uint64_t value);
+int meta_data_add_double(meta_data_t *md, const char *key, double value);
+int meta_data_add_boolean(meta_data_t *md, const char *key, bool value);
+
+int meta_data_get_string(meta_data_t *md, const char *key, char **value);
+int meta_data_get_signed_int(meta_data_t *md, const char *key, int64_t *value);
+int meta_data_get_unsigned_int(meta_data_t *md, const char *key,
+                               uint64_t *value);
+int meta_data_get_double(meta_data_t *md, const char *key, double *value);
+int meta_data_get_boolean(meta_data_t *md, const char *key, bool *value);
+
+/* Returns the value as a string, regardless of the type. */
+int meta_data_as_string(meta_data_t *md, const char *key, char **value);
+
+#endif /* META_DATA_H */