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https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
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a5ab76da1e
Add the D-Bus API definition and its implementation in the form of a GPIO manager daemon and a companion command-line client as well as some additional configuration and data files (systemd service, example udev configuration, etc.) and test suites. Tested-by: Alexander Sverdlin <alexander.sverdlin@siemens.com> Link: https://lore.kernel.org/r/20240812-dbus-v5-4-ead288509217@linaro.org Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
134 lines
3.5 KiB
C
134 lines
3.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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// SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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#include <gio/gio.h>
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#include <glib.h>
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#include <gpiod-test.h>
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#include <gpiod-test-common.h>
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#include <gpiodbus.h>
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#include <gpiosim-glib.h>
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#include "daemon-process.h"
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#include "helpers.h"
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#define GPIOD_TEST_GROUP "gpiodbus/chip"
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GPIOD_TEST_CASE(read_chip_info)
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{
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new("num-lines", 8,
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"label", "foobar",
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NULL);
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g_autoptr(GpiodbusDaemonProcess) mgr = NULL;
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g_autoptr(GpiodbusChip) chip = NULL;
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g_autofree gchar *obj_path = NULL;
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mgr = gpiodbus_daemon_process_new();
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gpiodbus_test_wait_for_sim_intf(sim);
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obj_path = g_strdup_printf("/io/gpiod1/chips/%s",
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g_gpiosim_chip_get_name(sim));
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chip = gpiodbus_test_get_chip_proxy_or_fail(obj_path);
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g_assert_cmpstr(gpiodbus_chip_get_name(chip), ==,
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g_gpiosim_chip_get_name(sim));
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g_assert_cmpstr(gpiodbus_chip_get_label(chip), ==, "foobar");
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g_assert_cmpuint(gpiodbus_chip_get_num_lines(chip), ==, 8);
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g_assert_cmpstr(gpiodbus_chip_get_path(chip), ==,
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g_gpiosim_chip_get_dev_path(sim));
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}
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static gboolean on_timeout(gpointer user_data)
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{
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gboolean *timed_out = user_data;
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*timed_out = TRUE;
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return G_SOURCE_REMOVE;
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}
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static void on_object_event(GDBusObjectManager *manager G_GNUC_UNUSED,
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GpiodbusObject *object, gpointer user_data)
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{
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gchar **obj_path = user_data;
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*obj_path = g_strdup(g_dbus_object_get_object_path(
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G_DBUS_OBJECT(object)));
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}
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GPIOD_TEST_CASE(chip_added)
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{
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g_autoptr(GDBusObjectManager) manager = NULL;
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g_autoptr(GpiodbusDaemonProcess) mgr = NULL;
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g_autofree gchar *sim_obj_path = NULL;
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g_autoptr(GPIOSimChip) sim = NULL;
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g_autofree gchar *obj_path = NULL;
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gboolean timed_out = FALSE;
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guint timeout_id;
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mgr = gpiodbus_daemon_process_new();
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manager = gpiodbus_test_get_chip_object_manager_or_fail();
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g_signal_connect(manager, "object-added", G_CALLBACK(on_object_event),
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&obj_path);
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timeout_id = g_timeout_add_seconds(5, on_timeout, &timed_out);
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sim = g_gpiosim_chip_new(NULL);
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while (!obj_path && !timed_out)
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g_main_context_iteration(NULL, TRUE);
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if (timed_out) {
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g_test_fail_printf("timeout reached waiting for chip to be added");
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return;
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}
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sim_obj_path = g_strdup_printf("/io/gpiod1/chips/%s",
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g_gpiosim_chip_get_name(sim));
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g_assert_cmpstr(sim_obj_path, ==, obj_path);
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g_source_remove(timeout_id);
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}
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GPIOD_TEST_CASE(chip_removed)
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{
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g_autoptr(GPIOSimChip) sim = g_gpiosim_chip_new(NULL);
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g_autoptr(GDBusObjectManager) manager = NULL;
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g_autoptr(GpiodbusDaemonProcess) mgr = NULL;
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g_autofree gchar *sim_obj_path = NULL;
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g_autoptr(GpiodbusChip) chip = NULL;
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g_autofree gchar *obj_path = NULL;
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gboolean timed_out = FALSE;
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guint timeout_id;
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sim_obj_path = g_strdup_printf("/io/gpiod1/chips/%s",
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g_gpiosim_chip_get_name(sim));
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mgr = gpiodbus_daemon_process_new();
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gpiodbus_test_wait_for_sim_intf(sim);
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obj_path = g_strdup_printf("/io/gpiod1/chips/%s",
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g_gpiosim_chip_get_name(sim));
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chip = gpiodbus_test_get_chip_proxy_or_fail(obj_path);
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manager = gpiodbus_test_get_chip_object_manager_or_fail();
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g_signal_connect(manager, "object-removed", G_CALLBACK(on_object_event),
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&obj_path);
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timeout_id = g_timeout_add_seconds(5, on_timeout, &timed_out);
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g_clear_object(&sim);
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while (!obj_path && !timed_out)
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g_main_context_iteration(NULL, TRUE);
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if (timed_out) {
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g_test_fail_printf("timeout reached waiting for chip to be removed");
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return;
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}
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g_assert_cmpstr(sim_obj_path, ==, obj_path);
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g_source_remove(timeout_id);
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}
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