mirror of
https://github.com/libratbag/libratbag.git
synced 2026-11-07 23:23:52 +01:00
ratbagctl: implement list-devices and show-device
Two new verbs for ratbagctl: - list-devices: list all available devices - show-device: show detailed information about a single device Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
This commit is contained in:
David Herrmann
333
src/ratbagctl.c
333
src/ratbagctl.c
@@ -28,48 +28,369 @@
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <systemd/sd-bus.h>
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#include "shared-macro.h"
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struct ratbagctl {
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int unused;
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sd_bus *bus;
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};
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static int verb_help(struct ratbagctl *ctl, int argc, char **argv);
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DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_message *, sd_bus_message_unref);
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static struct ratbagctl *ratbagctl_free(struct ratbagctl *ctl)
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{
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if (!ctl)
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return NULL;
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free(ctl);
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ctl->bus = sd_bus_unref(ctl->bus);
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return NULL;
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return mfree(ctl);
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}
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DEFINE_TRIVIAL_CLEANUP_FUNC(struct ratbagctl *, ratbagctl_free);
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static int ratbagctl_new(struct ratbagctl **out)
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{
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struct ratbagctl *ctl;
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_cleanup_(ratbagctl_freep) struct ratbagctl *ctl = NULL;
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int r;
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ctl = calloc(1, sizeof(*ctl));
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if (!ctl)
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return -ENOMEM;
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r = sd_bus_open_system(&ctl->bus);
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if (r < 0)
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return r;
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*out = ctl;
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ctl = NULL;
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return 0;
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}
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static int verb_list(struct ratbagctl *ctl, int argc, char **argv)
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static int list_devices_show(struct ratbagctl *ctl, const char *path)
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{
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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const char *prop_id = NULL, *prop_description = NULL;
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int r;
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r = sd_bus_call_method(ctl->bus,
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"org.freedesktop.ratbag1",
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path,
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"org.freedesktop.DBus.Properties",
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"GetAll",
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&error,
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&reply,
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"s",
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"org.freedesktop.ratbag1.Device");
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if (r < 0)
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return r;
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r = sd_bus_message_enter_container(reply, 'a', "{sv}");
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if (r < 0)
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return r;
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while ((r = sd_bus_message_enter_container(reply, 'e', "sv")) > 0) {
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const char *property;
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r = sd_bus_message_read_basic(reply, 's', &property);
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if (r < 0)
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return r;
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if (!strcmp(property, "Id")) {
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r = sd_bus_message_read(reply, "v", "s",
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&prop_id);
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} else if (!strcmp(property, "Description")) {
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r = sd_bus_message_read(reply, "v", "s",
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&prop_description);
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} else {
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r = sd_bus_message_skip(reply, "v");
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}
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if (r < 0)
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return r;
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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return r;
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}
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if (r < 0)
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return r;
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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return r;
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printf("%10s %-32s\n", prop_id, prop_description);
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return 0;
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}
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static int list_devices_all(struct ratbagctl *ctl)
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{
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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unsigned int k = 0;
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const char *path;
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int r;
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r = sd_bus_call_method(ctl->bus,
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"org.freedesktop.ratbag1",
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"/org/freedesktop/ratbag1",
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"org.freedesktop.DBus.Properties",
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"Get",
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&error,
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&reply,
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"ss",
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"org.freedesktop.ratbag1.Manager",
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"Devices");
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if (r < 0)
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goto exit;
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r = sd_bus_message_enter_container(reply, 'v', "ao");
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if (r < 0)
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goto exit;
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r = sd_bus_message_enter_container(reply, 'a', "o");
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if (r < 0)
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goto exit;
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printf("%10s %-32s\n", "DEVICE", "DESCRIPTION");
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while ((r = sd_bus_message_read_basic(reply, 'o', &path)) > 0) {
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r = list_devices_show(ctl, path);
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if (r < 0)
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goto exit;
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++k;
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}
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if (r < 0)
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goto exit;
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printf("\n%u device%s listed.\n", k, k > 1 ? "s" : "");
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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goto exit;
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r = sd_bus_message_exit_container(reply);
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exit:
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if (r < 0)
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fprintf(stderr, "Cannot list devices: %s\n",
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error.message ? : "Parser error");
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return r;
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}
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static int verb_list_devices(struct ratbagctl *ctl, int argc, char **argv)
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{
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static const struct option options[] = {
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{},
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};
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int c;
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while ((c = getopt_long(argc, argv, "+", options, NULL)) >= 0) {
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switch (c) {
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default:
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return -EINVAL;
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}
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}
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if (argv[optind]) {
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fprintf(stderr, "Command does not take arguments\n");
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return -EINVAL;
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}
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return list_devices_all(ctl);
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}
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static int show_device_get_profile_index(struct ratbagctl *ctl,
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const char *path,
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unsigned int *out_index)
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{
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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int r;
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r = sd_bus_call_method(ctl->bus,
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"org.freedesktop.ratbag1",
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path,
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"org.freedesktop.DBus.Properties",
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"Get",
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&error,
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&reply,
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"ss",
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"org.freedesktop.ratbag1.Profile",
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"Index");
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if (r < 0)
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return r;
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r = sd_bus_message_enter_container(reply, 'v', "u");
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if (r < 0)
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return r;
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r = sd_bus_message_read_basic(reply, 'u', out_index);
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if (r < 0)
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return r;
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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return r;
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return 0;
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}
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static int show_device_print(struct ratbagctl *ctl, const char *device)
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{
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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unsigned int prop_min_index = 0, prop_max_index = 0;
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unsigned int prop_active_profile = 0;
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const char *prop_id = NULL, *prop_description = NULL;
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_cleanup_(freep) char *path = NULL;
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int r;
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r = sd_bus_path_encode_many(&path,
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"/org/freedesktop/ratbag1/device/%",
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device);
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if (r < 0)
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goto exit;
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r = sd_bus_call_method(ctl->bus,
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"org.freedesktop.ratbag1",
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path,
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"org.freedesktop.DBus.Properties",
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"GetAll",
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&error,
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&reply,
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"s",
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"org.freedesktop.ratbag1.Device");
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if (r < 0)
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goto exit;
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r = sd_bus_message_enter_container(reply, 'a', "{sv}");
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if (r < 0)
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goto exit;
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while ((r = sd_bus_message_enter_container(reply, 'e', "sv")) > 0) {
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const char *property, *profile;
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r = sd_bus_message_read_basic(reply, 's', &property);
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if (r < 0)
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goto exit;
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if (!strcmp(property, "Id")) {
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r = sd_bus_message_read(reply, "v", "s",
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&prop_id);
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} else if (!strcmp(property, "Description")) {
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r = sd_bus_message_read(reply, "v", "s",
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&prop_description);
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} else if (!strcmp(property, "Profiles")) {
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r = sd_bus_message_enter_container(reply, 'v', "ao");
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if (r < 0)
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goto exit;
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r = sd_bus_message_enter_container(reply, 'a', "o");
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if (r < 0)
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goto exit;
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while ((r = sd_bus_message_read_basic(reply,
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'o',
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&profile)) > 0) {
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unsigned int index;
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r = show_device_get_profile_index(ctl,
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profile,
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&index);
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if (r < 0)
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goto exit;
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if (index < prop_min_index)
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prop_min_index = index;
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if (index >= prop_max_index)
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prop_max_index = index + 1;
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}
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if (r < 0)
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goto exit;
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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goto exit;
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r = sd_bus_message_exit_container(reply);
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} else if (!strcmp(property, "ActiveProfile")) {
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r = sd_bus_message_read(reply, "v", "o", &profile);
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if (r < 0)
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goto exit;
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r = show_device_get_profile_index(ctl,
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profile,
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&prop_active_profile);
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} else {
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r = sd_bus_message_skip(reply, "v");
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}
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if (r < 0)
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goto exit;
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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goto exit;
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}
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if (r < 0)
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goto exit;
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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goto exit;
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printf("%s - %s\n", prop_id, prop_description);
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if (prop_min_index == prop_max_index)
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printf("\t Profiles:\n");
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else if (prop_min_index + 1 == prop_max_index)
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printf("\t Profiles: %u\n", prop_min_index);
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else
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printf("\t Profiles: %u - %u\n",
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prop_min_index, prop_max_index - 1);
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printf("\t Active Profile: %u\n", prop_active_profile);
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exit:
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if (r < 0)
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fprintf(stderr, "Cannot show device: %s\n",
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error.message ? : "Parser error");
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return r;
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}
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static int verb_show_device(struct ratbagctl *ctl, int argc, char **argv)
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{
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static const struct option options[] = {
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{},
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};
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const char *device;
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int c;
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while ((c = getopt_long(argc, argv, "+", options, NULL)) >= 0) {
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switch (c) {
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default:
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return -EINVAL;
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}
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}
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device = argv[optind];
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if (!device) {
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fprintf(stderr, "No device specified\n");
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return -EINVAL;
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}
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return show_device_print(ctl, device);
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}
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static const struct {
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const char *verb;
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const char *help;
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int (*dispatch) (struct ratbagctl *ctl, int argc, char **argv);
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void (*long_help) (void);
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} verbs[] = {
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{ "list", "List available configurable mice", verb_list, NULL },
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{ "list-devices", "List available configurable mice", verb_list_devices, NULL },
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{ "show-device", "Show device information", verb_show_device, NULL },
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{ "help", "Show help for a command", verb_help, NULL },
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{},
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};
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