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Fix issue when the battery is low but charging.

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This commit is contained in:
Eduard Tolosa 2019-03-30 08:11:44 -05:00
parent 726b963006
commit c18ef72b47
1 changed files with 16 additions and 6 deletions
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22
src/main.rs
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@ -28,22 +28,32 @@ fn main() {
} }
fn battery_critical_action(percentage: u32, action: &str) { fn battery_critical_action(percentage: u32, action: &str) {
// Path battery capacity percentage // Path for battery capacity percentage, battery charging status and systemd
let battery_capacity_path = "/sys/class/power_supply/BAT0/capacity"; let battery_capacity_path = "/sys/class/power_supply/BAT0/capacity";
let battery_charging_path = "/sys/class/power_supply/BAT0/status";
let systemctl_path = "/usr/bin/systemctl"; let systemctl_path = "/usr/bin/systemctl";
// Check if systemd and BAT0 device exist // Check if systemd and BAT0 device exist
if Path::new(&battery_capacity_path).exists() && Path::new(&systemctl_path).exists() { if Path::new(&battery_capacity_path).exists()
// Declare variable for get battery value into string && Path::new(&systemctl_path).exists()
&& Path::new(&battery_charging_path).exists()
{
// Declare variables
let mut bat_value = String::new(); let mut bat_value = String::new();
let mut bat_charging = String::new();
// Read the capacity from file // Read the capacity from file
let mut b_capacity = File::open(&battery_capacity_path).expect("Error opening file."); let mut b_capacity = File::open(&battery_capacity_path).expect("Error opening file.");
let mut b_status = File::open(&battery_charging_path).expect("Error opening file.");
// Convert percentage into string // Convert percentage into string
b_capacity b_capacity
.read_to_string(&mut bat_value) .read_to_string(&mut bat_value)
.expect("Failed to read file."); .expect("Failed to read file.");
// Convert status into string
b_status
.read_to_string(&mut bat_charging)
.expect("Failed to read file.");
// Convert percentage into integer // Convert percentage into integer
let bat_percentage: u32 = bat_value let bat_percentage: u32 = bat_value
@ -51,10 +61,10 @@ fn battery_critical_action(percentage: u32, action: &str) {
.parse() .parse()
.expect("Error, battery percentage level can not be converted in a valid number."); .expect("Error, battery percentage level can not be converted in a valid number.");
// Compare percentage and execute actions accordy to use input // Compare percentagei, status and execute actions accordy to use input
if bat_percentage < percentage { if bat_percentage <= percentage && bat_charging.trim() == "Discharging" {
let command_action = Command::new(&systemctl_path) let command_action = Command::new(&systemctl_path)
// Get user argument 2 for action to execute //Get user argument 2 for action to execute
.arg(&action) .arg(&action)
.output() .output()
.expect("Failed to execute command."); .expect("Failed to execute command.");