X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fqueue.lua;h=203da0e3f6ee590a7dc3ec3631a7a90b5de0fbb9;hb=79a152bb61900a86c486b62d59be60fa845f8afc;hp=afdcaf453e22d7d7898de4e28e6655edce16b0d6;hpb=774d985d6a690539af5086956f2c9fb89c41ad26;p=prosody.git

diff --git a/util/queue.lua b/util/queue.lua
index afdcaf45..203da0e3 100644
--- a/util/queue.lua
+++ b/util/queue.lua
@@ -11,7 +11,7 @@
 
 local have_utable, utable = pcall(require, "util.table"); -- For pre-allocation of table
 
-local function new(size)
+local function new(size, allow_wrapping)
 	-- Head is next insert, tail is next read
 	local head, tail = 1, 1;
 	local items = 0; -- Number of stored items
@@ -22,7 +22,12 @@ local function new(size)
 		count = function (self) return items; end;
 		push = function (self, item)
 			if items >= size then
-				return nil, "queue full";
+				if allow_wrapping then
+					tail = (tail%size)+1; -- Advance to next oldest item
+					items = items - 1;
+				else
+					return nil, "queue full";
+				end
 			end
 			t[head] = item;
 			items = items + 1;