diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
commit | 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch) | |
tree | 33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/ac-power | |
parent | Initial commit. (diff) | |
download | systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip |
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/ac-power')
-rw-r--r-- | src/ac-power/ac-power.c | 109 | ||||
-rw-r--r-- | src/ac-power/meson.build | 9 |
2 files changed, 118 insertions, 0 deletions
diff --git a/src/ac-power/ac-power.c b/src/ac-power/ac-power.c new file mode 100644 index 0000000..fadf1da --- /dev/null +++ b/src/ac-power/ac-power.c @@ -0,0 +1,109 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <getopt.h> + +#include "battery-util.h" +#include "build.h" +#include "main-func.h" + +static bool arg_verbose = false; + +static enum { + ACTION_AC_POWER, + ACTION_LOW, +} arg_action = ACTION_AC_POWER; + +static void help(void) { + printf("%s\n\n" + "Report whether we are connected to an external power source.\n\n" + " -h --help Show this help\n" + " --version Show package version\n" + " -v --verbose Show state as text\n" + " --low Check if battery is discharging and low\n", + program_invocation_short_name); +} + +static int parse_argv(int argc, char *argv[]) { + + enum { + ARG_VERSION = 0x100, + ARG_LOW, + }; + + static const struct option options[] = { + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, ARG_VERSION }, + { "verbose", no_argument, NULL, 'v' }, + { "low", no_argument, NULL, ARG_LOW }, + {} + }; + + int c; + + assert(argc >= 0); + assert(argv); + + while ((c = getopt_long(argc, argv, "hv", options, NULL)) >= 0) + + switch (c) { + + case 'h': + help(); + return 0; + + case ARG_VERSION: + return version(); + + case 'v': + arg_verbose = true; + break; + + case ARG_LOW: + arg_action = ACTION_LOW; + break; + + case '?': + return -EINVAL; + + default: + assert_not_reached(); + } + + if (optind < argc) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "%s takes no arguments.", + program_invocation_short_name); + + return 1; +} + +static int run(int argc, char *argv[]) { + int r; + + /* This is mostly intended to be used for scripts which want + * to detect whether AC power is plugged in or not. */ + + log_parse_environment(); + log_open(); + + r = parse_argv(argc, argv); + if (r <= 0) + return r; + + if (arg_action == ACTION_AC_POWER) { + r = on_ac_power(); + if (r < 0) + return log_error_errno(r, "Failed to read AC status: %m"); + } else { + r = battery_is_discharging_and_low(); + if (r < 0) + return log_error_errno(r, "Failed to read battery discharging + low status: %m"); + } + + if (arg_verbose) + puts(yes_no(r)); + + return r == 0; +} + +DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run); diff --git a/src/ac-power/meson.build b/src/ac-power/meson.build new file mode 100644 index 0000000..032c027 --- /dev/null +++ b/src/ac-power/meson.build @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: LGPL-2.1-or-later + +executables += [ + executable_template + { + 'name' : 'systemd-ac-power', + 'public' : true, + 'sources' : files('ac-power.c'), + }, +] |