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-rw-r--r--src/lib/metrics/metrics_common.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/lib/metrics/metrics_common.h b/src/lib/metrics/metrics_common.h
index 5d1a32ea6c..50f6147007 100644
--- a/src/lib/metrics/metrics_common.h
+++ b/src/lib/metrics/metrics_common.h
@@ -11,6 +11,15 @@
#include "lib/cc/torint.h"
+/** Prefix to every metrics exposed. This is insures that the metrics are
+ * always in the same namespace. */
+#define METRICS_PREFIX tor_
+
+/** Helper macro that must be used to construct the right namespaced metrics
+ * name. A name is a string so stringify the result. */
+#define METRICS_STR(val) #val
+#define METRICS_NAME(name) METRICS_STR(METRICS_PREFIX ## name)
+
/** Format output type. */
typedef enum {
/** Prometheus data output format. */