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fix + feat: added a new alert system for when battery is close to 0%

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devaine 2025-08-07 11:45:47 -05:00
commit 016b951047
Signed by untrusted user who does not match committer: devaine
GPG key ID: 954B1DCAC6FF84EE
2 changed files with 31 additions and 13 deletions
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daemons/battery-daemon
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38
daemons/battery-daemon.cpp
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@ -6,6 +6,7 @@
#include <fstream> #include <fstream>
#include <iostream> #include <iostream>
#include <sched.h> // pid_t data type #include <sched.h> // pid_t data type
#include <string>
#include <sys/select.h> #include <sys/select.h>
#include <thread> #include <thread>
#include <unistd.h> // For fork(); #include <unistd.h> // For fork();
@ -35,13 +36,29 @@ void createLockFile() {
void removeLockFile() { remove(lockFilePath); } void removeLockFile() { remove(lockFilePath); }
void send_notifs_empty() { void send_notifs_empty() {
string command = "notify-send 'Low Battery' 'ALERT! 0% Battery Remaining.' "
"-u critical -i 'battery-caution' -t 5000"; while (true) {
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 100000;
ifstream BAT_PERCENT_FILE("/sys/class/power_supply/BAT0/capacity");
int BAT_PERCENT;
BAT_PERCENT_FILE >> BAT_PERCENT;
string command =
"notify-send 'Low Battery' '<b>ALERT!</b> " + to_string(BAT_PERCENT) +
"% Battery Remaining.' -u critical -i 'battery-caution' -t 5000";
// If battery is empty... // If battery is empty...
while (BAT_EMPTY.load() == 1) { if (BAT_EMPTY.load() == 1) {
system(command.c_str()); system(command.c_str());
this_thread::sleep_for(chrono::seconds(5)); this_thread::sleep_for(chrono::seconds(5));
} else {
select(0, NULL, NULL, NULL, &tv);
}
} }
} }
@ -129,7 +146,7 @@ void battery() {
OLD_BAT_PERCENT = BAT_PERCENT; OLD_BAT_PERCENT = BAT_PERCENT;
} }
if (BAT_EMPTY == 1) { if (BAT_EMPTY.load() == 1) {
BAT_EMPTY.store(0); BAT_EMPTY.store(0);
} }
} }
@ -149,7 +166,7 @@ void battery() {
} }
// Change value of BAT_EMPTY (alert notification) // Change value of BAT_EMPTY (alert notification)
if (BAT_PERCENT == 0 && BAT_EMPTY == 0) { if (BAT_PERCENT < 10 && BAT_EMPTY.load() == 0) {
BAT_EMPTY.store(1); BAT_EMPTY.store(1);
} }
} }
@ -164,9 +181,9 @@ int main() {
chdir("/"); chdir("/");
// Redirects all streams to /dev/null // Redirects all streams to /dev/null
freopen("/dev/null", "r", stdin); // freopen("/dev/null", "r", stdin);
freopen("/dev/null", "w", stdout); // freopen("/dev/null", "w", stdout);
freopen("/dev/null", "w", stderr); // freopen("/dev/null", "w", stderr);
if (isRunning()) { if (isRunning()) {
ifstream lockFile(lockFilePath); ifstream lockFile(lockFilePath);
@ -181,9 +198,10 @@ int main() {
createLockFile(); createLockFile();
battery(); thread bg(send_notifs_empty);
bg.detach();
thread background(send_notifs_empty); battery();
return 0; return 0;
} }