Mercurial > prosody-hg

diff util/throttle.lua @ 8245:9499db96c032

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util.throttle: Fix initial time setting (double accounting the first time) and fractional balance updates (0.1*10 was not the same as 1*1)
author Waqas Hussain <waqas20@gmail.com>
date Sun, 17 Sep 2017 13:29:14 -0400
parents dc758422d896
children 64165865b131
line wrap: on
line diff
--- a/util/throttle.lua	Sun Sep 17 11:17:45 2017 -0400
+++ b/util/throttle.lua	Sun Sep 17 13:29:14 2017 -0400
@@ -12,7 +12,7 @@
 	local newt = gettime();
 	local elapsed = newt - self.t;
 	self.t = newt;
-	local balance = floor(self.rate * elapsed) + self.balance;
+	local balance = (self.rate * elapsed) + self.balance;
 	if balance > self.max then
 		self.balance = self.max;
 	else
@@ -40,7 +40,7 @@
 end
 
 local function create(max, period)
-	return setmetatable({ rate = max / period, max = max, t = 0, balance = max }, throttle_mt);
+	return setmetatable({ rate = max / period, max = max, t = gettime(), balance = max }, throttle_mt);
 end
 
 return {