1 files changed, 42 insertions, 0 deletions
diff --git a/src/lib/metrics/metrics_store.h b/src/lib/metrics/metrics_store.h
new file mode 100644
index 0000000000..9640a5e016
--- /dev/null
+++ b/src/lib/metrics/metrics_store.h
@@ -0,0 +1,42 @@
+/* Copyright (c) 2020, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * @file metrics_store.h
+ * @brief Header for lib/metrics/metrics_store.c
+ **/
+
+#ifndef TOR_LIB_METRICS_METRICS_STORE_H
+#define TOR_LIB_METRICS_METRICS_STORE_H
+
+#include "lib/buf/buffers.h"
+#include "lib/container/smartlist.h"
+
+#include "lib/metrics/metrics_common.h"
+#include "lib/metrics/metrics_store_entry.h"
+
+/* Stub. */
+typedef struct metrics_store_t metrics_store_t;
+
+/* Allocators. */
+void metrics_store_free_(metrics_store_t *store);
+#define metrics_store_free(store) \
+  FREE_AND_NULL(metrics_store_t, metrics_store_free_, (store))
+metrics_store_t *metrics_store_new(void);
+
+/* Modifiers. */
+metrics_store_entry_t *metrics_store_add(metrics_store_t *store,
+                                         metrics_type_t type,
+                                         const char *name, const char *help);
+
+/* Accessors. */
+smartlist_t *metrics_store_get_all(const metrics_store_t *store,
+                                   const char *name);
+void metrics_store_get_output(const metrics_format_t fmt,
+                              const metrics_store_t *store, buf_t *data);
+
+#ifdef METRICS_METRICS_STORE_PRIVATE
+
+#endif /* METRICS_METRICS_STORE_PRIVATE. */
+
+#endif /* !defined(TOR_LIB_METRICS_METRICS_STORE_H) */