1 files changed, 49 insertions, 15 deletions

diff --git a/src/Stats.cxx b/src/Stats.cxx
index f224bdf49..1764516ef 100644
--- a/src/Stats.cxx
+++ b/src/Stats.cxx
@@ -26,38 +26,65 @@
 #include "DatabasePlugin.hxx"
 #include "DatabaseSimple.hxx"
 #include "util/Error.hxx"
+#include "system/Clock.hxx"
 #include "Log.hxx"
 
-#include <glib.h>
+#ifndef WIN32
+/**
+ * The monotonic time stamp when MPD was started.  It is used to
+ * calculate the uptime.
+ */
+static unsigned start_time;
+#endif
 
-static GTimer *uptime;
 static DatabaseStats stats;
 
+enum class StatsValidity : uint8_t {
+	INVALID, VALID, FAILED,
+};
+
+static StatsValidity stats_validity = StatsValidity::INVALID;
+
 void stats_global_init(void)
 {
-	uptime = g_timer_new();
+#ifndef WIN32
+	start_time = MonotonicClockS();
+#endif
 }
 
-void stats_global_finish(void)
+void
+stats_invalidate()
 {
-	g_timer_destroy(uptime);
+	assert(GetDatabase() != nullptr);
+
+	stats_validity = StatsValidity::INVALID;
 }
 
-void stats_update(void)
+static bool
+stats_update()
 {
-	assert(GetDatabase() != nullptr);
+	switch (stats_validity) {
+	case StatsValidity::INVALID:
+		break;
 
-	Error error;
+	case StatsValidity::VALID:
+		return true;
+
+	case StatsValidity::FAILED:
+		return false;
+	}
 
-	DatabaseStats stats2;
+	Error error;
 
 	const DatabaseSelection selection("", true);
-	if (GetDatabase()->GetStats(selection, stats2, error)) {
-		stats = stats2;
+	if (GetDatabase()->GetStats(selection, stats, error)) {
+		stats_validity = StatsValidity::VALID;
+		return true;
 	} else {
 		LogError(error);
 
-		stats.Clear();
+		stats_validity = StatsValidity::FAILED;
+		return true;
 	}
 }
 
@@ -71,7 +98,10 @@ db_stats_print(Client &client)
 		   database plugin */
 		/* TODO: move this into the "proxy" database plugin as
 		   an "idle" handler */
-		stats_update();
+		stats_invalidate();
+
+	if (!stats_update())
+		return;
 
 	client_printf(client,
 		      "artists: %u\n"
@@ -94,9 +124,13 @@ void
 stats_print(Client &client)
 {
 	client_printf(client,
-		      "uptime: %lu\n"
+		      "uptime: %u\n"
 		      "playtime: %lu\n",
-		      (unsigned long)g_timer_elapsed(uptime, NULL),
+#ifdef WIN32
+		      GetProcessUptimeS(),
+#else
+		      MonotonicClockS() - start_time,
+#endif
 		      (unsigned long)(client.player_control.GetTotalPlayTime() + 0.5));
 
 	if (GetDatabase() != nullptr)