From 8e792c4f4da7111d566377eabd2314c707aadc84 Mon Sep 17 00:00:00 2001
From: Přemysl Janouch
Date: Sat, 9 Jul 2016 23:55:14 +0200
Subject: dwmstatus: try to show power used by UPS
---
dwmstatus.c | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/dwmstatus.c b/dwmstatus.c
index daedb81..5453202 100644
--- a/dwmstatus.c
+++ b/dwmstatus.c
@@ -1672,6 +1672,11 @@ static struct simple_config_item g_config_table[] =
{ "nut_enabled", "off", "NUT UPS status reading enabled" },
{ "nut_load_thld", "50", "NUT threshold for load display" },
+ // This is just a hack because my UPS doesn't report that value; a more
+ // proper way of providing this information would be by making use of the
+ // enhanced configuration format and allowing arbitrary per-UPS overrides
+ { "nut_load_power", NULL, "ups.realpower.nominal override" },
+
{ NULL, NULL, NULL }
};
@@ -2280,7 +2285,22 @@ nut_process_ups (struct app_context *ctx, struct str_vector *ups_list,
&& xstrtoul (&load_n, load, 10)
&& xstrtoul (&threshold_n, threshold, 10)
&& load_n >= threshold_n)
- str_vector_add_owned (&items, xstrdup_printf ("load %s%%", load));
+ {
+ struct str item;
+ str_init (&item);
+ str_append_printf (&item, "load %s%%", load);
+
+ const char *power = str_map_find (dict, "ups.realpower.nominal");
+ // Override if NUT cannot tell it correctly for whatever reason
+ if (!power) power = str_map_find (&ctx->config, "nut_load_power");
+
+ // Approximation of how much electricity the perpihery actually uses
+ unsigned long power_n;
+ if (power && xstrtoul (&power_n, power, 10))
+ str_append_printf (&item, " (~%luW)", power_n * load_n / 100);
+
+ str_vector_add_owned (&items, str_steal (&item));
+ }
struct str result;
str_init (&result);
--
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