Changeset

13211:4d4f9e42bcf8

moduleapi: Add :get_option_integer() Many options in Prosody that are treated as numbers don't make sense as floats, e.g. sizes and limits measured in bytes. Simplified implementation based on an earlier attempt dating back to 2020
author Kim Alvefur <zash@zash.se>
date Mon, 17 Jul 2023 00:09:41 +0200
parents 13210:8dbe693ded6b
children 13212:3e6e98cc63e9
files .luacheckrc CHANGES core/features.lua core/moduleapi.lua
diffstat 4 files changed, 17 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/.luacheckrc	Sun Jul 16 21:21:37 2023 +0200
+++ b/.luacheckrc	Mon Jul 17 00:09:41 2023 +0200
@@ -75,6 +75,7 @@
 		"module.get_option_boolean",
 		"module.get_option_enum",
 		"module.get_option_inherited_set",
+		"module.get_option_integer",
 		"module.get_option_number",
 		"module.get_option_path",
 		"module.get_option_period",
--- a/CHANGES	Sun Jul 16 21:21:37 2023 +0200
+++ b/CHANGES	Mon Jul 17 00:09:41 2023 +0200
@@ -43,6 +43,7 @@
 - Config interface API can require that string values be picked from a provided set
 - Acceptable interval can be specified for number options
 - Method for parsing time periods / intervals from config
+- Method for retrieving integer settings from config
 
 ## Changes
 
--- a/core/features.lua	Sun Jul 16 21:21:37 2023 +0200
+++ b/core/features.lua	Mon Jul 17 00:09:41 2023 +0200
@@ -20,5 +20,6 @@
 		"getopt-enum";
 		"getopt-interval";
 		"getopt-period";
+		"getopt-integer";
 	};
 };
--- a/core/moduleapi.lua	Sun Jul 16 21:21:37 2023 +0200
+++ b/core/moduleapi.lua	Mon Jul 17 00:09:41 2023 +0200
@@ -254,6 +254,20 @@
 	return ret;
 end
 
+function api:get_option_integer(name, default_value, min, max)
+	local value = self:get_option_number(name, default_value, min or math.mininteger or 2 ^ 53, max or math.maxinteger or -2 ^ 52);
+	if value == default_value then
+		-- pass default trough unaltered, violates ranges sometimes
+		return value;
+	end
+	if math.type(value) == "float" then
+		self:log("warn", "Config option '%s' expected an integer, not a float (%g)", name, value)
+		return math.floor(value);
+	end
+	-- nil or an integer
+	return value;
+end
+
 function api:get_option_period(name, default_value)
 	local value = self:get_option_scalar(name, default_value);
 	if type(value) == "number" then