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Add debug output

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This commit is contained in:
Konstantin Pereiaslov
2023-09-03 18:54:43 -05:00
parent 42556a508a
commit 3d62c26f8f
1 changed files with 27 additions and 6 deletions
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33
main.c
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@@ -21,6 +21,7 @@
int verbose = 0;
int quiet = 0;
int debug = 0;
int xscreensaver_is_available;
Display *x_display;
XScreenSaverInfo *xscreensaver_info;
@@ -60,7 +61,7 @@ void resume_command(pid_t pid) {
}
void print_usage(char *binary_name) {
printf("Usage: %s [--timeout|-t timeout_value_in_seconds] [--verbose|-v] [--quiet|-q] [--version|-V] shell_command_to_run [shell_command_arguments]\n",
printf("Usage: %s [--timeout|-t timeout_value_in_seconds] [--verbose|-v] [--debug] [--quiet|-q] [--version|-V] shell_command_to_run [shell_command_arguments]\n",
binary_name);
}
void print_version() {
@@ -89,6 +90,7 @@ pid_t run_shell_command(const char *shell_command_to_run, pid_t pid) {
void exit_if_pid_has_finished(pid_t pid) {
int status;
if (debug) fprintf(stderr, "Checking if PID %i has finished\n", pid);
if (waitpid(pid, &status, WNOHANG + WUNTRACED) == pid && WIFEXITED(status)) {
int exit_code = WEXITSTATUS(status);
if (verbose) {
@@ -150,6 +152,7 @@ int main(int argc, char *argv[]) {
struct option long_options[] = {
{"timeout", required_argument, NULL, 't'},
{"verbose", no_argument, NULL, 'v'},
{"debug", no_argument, NULL, 'd'},
{"quiet", no_argument, NULL, 'q'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
@@ -180,6 +183,10 @@ int main(int argc, char *argv[]) {
case 'v':
verbose = 1;
break;
case 'd':
debug = 1;
verbose = 1;
break;
case 'q':
quiet = 1;
break;
@@ -189,15 +196,22 @@ int main(int argc, char *argv[]) {
return 1;
}
}
if (debug) fprintf(stderr, "verbose: %i, debug: %i, quiet: %i, user_idle_timeout_ms: %i\n", verbose, debug, quiet, user_idle_timeout_ms);
if (optind >= argc) {
print_usage(argv[0]);
return 1;
}
if (quiet && debug) {
fprintf_error("Incompatible options --quiet|-q and --debug|-d used");
print_usage(argv[0]);
return 1;
}
if (quiet && verbose) {
fprintf_error("Incompatible options --quiet|-q and --verbose|-v used");
print_usage(argv[0]);
return 1;
}
char *shell_command_to_run = read_remaining_arguments_as_char(argc, argv);
//Open display and initialize XScreensaverInfo for querying idle time
@@ -240,11 +254,11 @@ int main(int argc, char *argv[]) {
exit_if_pid_has_finished(pid);
if (user_idle_time_ms >= user_idle_timeout_ms) {
// User is inactive
if (debug) fprintf(stderr,"Idle time: %lums, idle timeout: %lums, user is inactive\n", user_idle_time_ms, user_idle_timeout_ms);
if (command_paused) {
sleep_time_ms = polling_interval_ms; //reset to default value
if (verbose) {
fprintf(stderr, "Idle time: %lums\n", user_idle_time_ms);
fprintf(stderr, "Idle time: %lums, idle timeout: %lums, resuming command\n", user_idle_time_ms, user_idle_timeout_ms);
}
resume_command(pid);
@@ -257,32 +271,39 @@ int main(int argc, char *argv[]) {
if (!command_paused) {
clock_gettime(CLOCK_MONOTONIC, &time_when_starting_to_pause);
if (verbose) {
fprintf(stderr, "Idle time: %lums\n", user_idle_time_ms);
fprintf(stderr, "Idle time: %lums.\n", user_idle_time_ms);
}
pause_command(pid);
if (debug) fprintf(stderr,"Command paused\n");
command_paused = 1;
command_was_paused_this_iteration = 1;
}
sleep_time_ms = user_idle_timeout_ms - user_idle_time_ms;
if (debug) fprintf(stderr,"Target sleep time: %lums\n", sleep_time_ms);
if (command_was_paused_this_iteration) {
if (debug) fprintf(stderr, "Command was paused this iteration\n");
struct timespec time_before_sleep;
clock_gettime(CLOCK_MONOTONIC, &time_before_sleep);
long long pausing_time_ms = get_elapsed_time_ms(time_when_starting_to_pause, time_before_sleep);
if (debug) fprintf(stderr, "Target sleep time before taking into account time it took to pause: %lums, time it took to pause: %lums\n", sleep_time_ms, pausing_time_ms);
sleep_time_ms = sleep_time_ms - pausing_time_ms;
}
if (sleep_time_ms < polling_interval_ms) {
if (debug) fprintf(stderr, "Target sleep time %lums is less than polling interval %lums, resetting it to polling interval\n", sleep_time_ms, polling_interval_ms);
sleep_time_ms = polling_interval_ms;
}
if (verbose) {
fprintf(stderr,
fprintf(
stderr,
"Polling every second is temporarily disabled due to user activity, idle time: %lums, next activity check scheduled in %lldms\n",
user_idle_time_ms,
sleep_time_ms
);
}
}
if (debug) fprintf(stderr, "Sleeping for %lums\n", sleep_time_ms);
sleep_for_milliseconds(sleep_time_ms);
}
}