From e647ca924d892d365ec51b98571032716c0743f1 Mon Sep 17 00:00:00 2001
From: "Dirk-Jan C. Binnema" <djcb@djcbsoftware.nl>
Date: Mon, 30 Jun 2025 21:47:52 +0300
Subject: [PATCH] server: make index log back-off a bit more concise

---
 lib/mu-server.cc | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/lib/mu-server.cc b/lib/mu-server.cc
index affacd59..13fb63c9 100644
--- a/lib/mu-server.cc
+++ b/lib/mu-server.cc
@@ -29,6 +29,7 @@
 #include <atomic>
 #include <variant>
 #include <functional>
+#include <chrono>
 
 #include <cstring>
 #include <glib.h>
@@ -828,18 +829,15 @@ Server::Private::do_index(const Indexer::Config& conf)
 {
 	StopWatch sw{"indexing"};
 	indexer().start(conf);
-	std::chrono::milliseconds sleep_duration(125); // initial 125ms
+
+	using namespace std::chrono_literals;
+	auto sleep_duration{125ms};
 	while (indexer().is_running()) {
 		std::this_thread::sleep_for(sleep_duration);
 		output_sexp(get_stats(indexer().progress(), "running"),
 			    Server::OutputFlags::Flush);
 		// Exponential backoff: doubling sleep duration up to 2s
-		if (sleep_duration < std::chrono::milliseconds(2000)) {
-			sleep_duration *= 2;
-			if (sleep_duration > std::chrono::milliseconds(2000)) {
-				sleep_duration = std::chrono::milliseconds(2000);
-			}
-		}
+		sleep_duration = std::min(sleep_duration * 2, 2000ms);
 	}
 	output_sexp(get_stats(indexer().progress(), "complete"),
 		    Server::OutputFlags::Flush);