Add prometheus monitoring

1 files changed, 25 insertions, 0 deletions

diff --git a/src/metrics.h b/src/metrics.h
new file mode 100644
index 0000000..25afcce
--- /dev/null
+++ b/src/metrics.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "prom.h"
+
+extern prom_counter_t *bytesRecv;
+extern prom_counter_t *bytesSent;
+
+extern prom_counter_t *meta;
+
+extern prom_counter_t *peers;
+extern prom_counter_t *hashes;
+extern prom_counter_t *hash_expired;
+extern prom_counter_t *queries;
+extern prom_counter_t *requests;
+extern prom_histogram_t *offered;
+extern prom_gauge_t *activeNodes;
+extern prom_gauge_t *requestsInFlight;
+extern prom_counter_t *retries;
+
+extern prom_counter_t *requestsProcessed;
+
+void metric_init();
+void metric_end();