From a79a7830472e9b994eacbb22c1a9fd223c4cc2c7 Mon Sep 17 00:00:00 2001
From: Stefan Boberg <stefan@boberg.org>
Date: Fri, 17 Sep 2021 23:32:05 +0200
Subject: Changed file logging to use a rotating log strategy

---
 zenserver/diag/logging.cpp | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/zenserver/diag/logging.cpp b/zenserver/diag/logging.cpp
index 48c87dd68..1df35fc14 100644
--- a/zenserver/diag/logging.cpp
+++ b/zenserver/diag/logging.cpp
@@ -9,7 +9,9 @@
 #include <spdlog/pattern_formatter.h>
 #include <spdlog/sinks/ansicolor_sink.h>
 #include <spdlog/sinks/basic_file_sink.h>
+#include <spdlog/sinks/daily_file_sink.h>
 #include <spdlog/sinks/msvc_sink.h>
+#include <spdlog/sinks/rotating_file_sink.h>
 #include <spdlog/sinks/stdout_color_sinks.h>
 #include <spdlog/spdlog.h>
 #include <zencore/string.h>
@@ -224,7 +226,19 @@ InitializeLogging(const ZenServerOptions& GlobalOptions)
 	// Sinks
 
 	auto ConsoleSink = std::make_shared<spdlog::sinks::ansicolor_stdout_sink_mt>();
-	auto FileSink	 = std::make_shared<spdlog::sinks::basic_file_sink_mt>(zen::WideToUtf8(LogPath.c_str()), /* truncate */ true);
+
+#if 0
+	auto FileSink	 = std::make_shared<spdlog::sinks::daily_file_sink_mt>(zen::WideToUtf8(LogPath.c_str()),
+																		   0,
+																		   0,
+																		   /* truncate */ false,
+																		   uint16_t(/* max files */ 14));
+#else
+	auto FileSink = std::make_shared<spdlog::sinks::rotating_file_sink_mt>(zen::WideToUtf8(LogPath.c_str()),
+																		   /* max size */ 128 * 1024 * 1024,
+																		   /* max files */ 16,
+																		   /* rotate on open */ true);
+#endif
 
 	// Default
 
@@ -250,6 +264,8 @@ InitializeLogging(const ZenServerOptions& GlobalOptions)
 	spdlog::register_logger(JupiterLogger);
 	JupiterLogger->set_level(LogLevel);
 
+	// Zen - only log HTTP traffic to file
+
 	auto ZenClientLogger = std::make_shared<spdlog::logger>("zenclient", FileSink);
 	spdlog::register_logger(ZenClientLogger);
 	ZenClientLogger->set_level(LogLevel);
@@ -258,6 +274,7 @@ InitializeLogging(const ZenServerOptions& GlobalOptions)
 
 	spdlog::set_level(LogLevel);
 	spdlog::flush_on(spdlog::level::err);
+	spdlog::flush_every(std::chrono::seconds{2});
 	spdlog::set_formatter(std::make_unique<logging::full_formatter>(GlobalOptions.LogId, std::chrono::system_clock::now()));
 }
 
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