1 files changed, 51 insertions, 0 deletions
diff --git a/src/feature/hs/hs_metrics_entry.h b/src/feature/hs/hs_metrics_entry.h
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+++ b/src/feature/hs/hs_metrics_entry.h
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+/* Copyright (c) 2020, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * @file hs_metrics_entry.h
+ * @brief Header for feature/hs/hs_metrics_entry.c
+ **/
+
+#ifndef TOR_FEATURE_HS_METRICS_ENTRY_H
+#define TOR_FEATURE_HS_METRICS_ENTRY_H
+
+#ifdef HS_METRICS_ENTRY_PRIVATE
+
+#include "lib/metrics/metrics_common.h"
+
+/** Metrics key which are used as an index in the main base metrics array. */
+typedef enum {
+  /** Number of introduction requests. */
+  HS_METRICS_NUM_INTRODUCTIONS = 0,
+  /** Number of bytes written from onion service to application. */
+  HS_METRICS_APP_WRITE_BYTES = 1,
+  /** Number of bytes read from application to onion service. */
+  HS_METRICS_APP_READ_BYTES = 2,
+  /** Number of established rendezsvous. */
+  HS_METRICS_NUM_ESTABLISHED_RDV = 3,
+  /** Number of rendezsvous circuits created. */
+  HS_METRICS_NUM_RDV = 4,
+  /** Number of established introducton points. */
+  HS_METRICS_NUM_ESTABLISHED_INTRO = 5,
+} hs_metrics_key_t;
+
+/** The metadata of an HS metrics. */
+typedef struct hs_metrics_entry_t {
+  /* Metric key used as a static array index. */
+  hs_metrics_key_t key;
+  /* Metric type. */
+  metrics_type_t type;
+  /* Metrics output name. */
+  const char *name;
+  /* Metrics output help comment. */
+  const char *help;
+  /* True iff a port label should be added to the metrics entry. */
+  bool port_as_label;
+} hs_metrics_entry_t;
+
+extern const hs_metrics_entry_t base_metrics[];
+extern const size_t base_metrics_size;
+
+#endif /* HS_METRICS_ENTRY_PRIVATE */
+
+#endif /* !defined(TOR_FEATURE_HS_METRICS_ENTRY_H) */