From d052c88217354523063c2c4212aa56601ada5751 Mon Sep 17 00:00:00 2001
From: Curtis McEnroe <june@causal.agency>
Date: Wed, 30 Oct 2019 17:14:51 -0400
Subject: Warn when consumers drop messages

---
 ring.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'ring.c')

diff --git a/ring.c b/ring.c
index 0fec6d0..f99d9d4 100644
--- a/ring.c
+++ b/ring.c
@@ -87,6 +87,10 @@ size_t ringDiff(size_t consumer) {
 const char *ringPeek(time_t *time, size_t consumer) {
 	if (!ringDiff(consumer)) return NULL;
 	if (ringDiff(consumer) > ring.len) {
+		warnx(
+			"consumer %s dropped %zu messages",
+			consumers.ptr[consumer].name, ringDiff(consumer) - ring.len
+		);
 		consumers.ptr[consumer].pos = producer - ring.len;
 	}
 	size_t i = consumers.ptr[consumer].pos & (ring.len - 1);
-- 
cgit 1.4.1