From f9db1cb918da64101fdc72422551d95b054b1a38 Mon Sep 17 00:00:00 2001
From: Stijn Cleynhens <stijncleynhens@gmail.com>
Date: Mon, 5 Dec 2016 15:11:05 +0100
Subject: [PATCH] libubox: allow reading out the remaining time of a uloop
 timer in Lua

Add Lua method to the uloop wrapper to allow reading out the remaining time of a uloop timer

Signed-off-by: Stijn Cleynhens <stijncleynhens@gmail.com>
---
 lua/uloop.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lua/uloop.c b/lua/uloop.c
index c5dd12f..a78c2dc 100644
--- a/lua/uloop.c
+++ b/lua/uloop.c
@@ -94,6 +94,15 @@ static int ul_timer_set(lua_State *L)
 	return 1;
 }
 
+static int ul_timer_remaining(lua_State *L)
+{
+	struct lua_uloop_timeout *tout;
+
+	tout = lua_touserdata(L, 1);
+	lua_pushnumber(L, uloop_timeout_remaining(&tout->t));
+	return 1;
+}
+
 static int ul_timer_free(lua_State *L)
 {
 	struct lua_uloop_timeout *tout = lua_touserdata(L, 1);
@@ -114,6 +123,7 @@ static int ul_timer_free(lua_State *L)
 
 static const luaL_Reg timer_m[] = {
 	{ "set", ul_timer_set },
+	{ "remaining", ul_timer_remaining },
 	{ "cancel", ul_timer_free },
 	{ NULL, NULL }
 };