1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
#include <gio/gio.h>
#include "helpers.h"
GDBusConnection *gpiodbus_test_get_dbus_connection(void)
{
g_autoptr(GDBusConnection) con = NULL;
g_autofree gchar *addr = NULL;
g_autoptr(GError) err = NULL;
addr = g_dbus_address_get_for_bus_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
if (!addr)
g_error("Failed to get address on the bus: %s", err->message);
con = g_dbus_connection_new_for_address_sync(addr,
G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT |
G_DBUS_CONNECTION_FLAGS_MESSAGE_BUS_CONNECTION,
NULL, NULL, &err);
if (!con)
g_error("Failed to get system bus connection: %s",
err->message);
return g_object_ref(con);
}
typedef struct {
gboolean *added;
gchar *obj_path;
} OnObjectAddedData;
static void on_object_added(GDBusObjectManager *manager G_GNUC_UNUSED,
GpiodbusObject *object, gpointer data)
{
OnObjectAddedData *cb_data = data;
const gchar *path;
path = g_dbus_object_get_object_path(G_DBUS_OBJECT(object));
if (g_strcmp0(path, cb_data->obj_path) == 0)
*cb_data->added = TRUE;
}
static gboolean on_timeout(gpointer data G_GNUC_UNUSED)
{
g_error("timeout reached waiting for the gpiochip interface to appear on the bus");
return G_SOURCE_REMOVE;
}
void gpiodbus_test_wait_for_sim_intf(GPIOSimChip *sim)
{
g_autoptr(GDBusObjectManager) manager = NULL;
g_autoptr(GDBusConnection) con = NULL;
g_autoptr(GpiodbusObject) obj = NULL;
g_autoptr(GError) err = NULL;
g_autofree gchar *obj_path;
OnObjectAddedData cb_data;
gboolean added = FALSE;
guint timeout_id;
con = gpiodbus_test_get_dbus_connection();
if (!con)
g_error("failed to obtain a bus connection: %s", err->message);
obj_path = g_strdup_printf("/io/gpiod1/chips/%s",
g_gpiosim_chip_get_name(sim));
cb_data.added = &added;
cb_data.obj_path = obj_path;
manager = gpiodbus_object_manager_client_new_sync(con,
G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_NONE,
"io.gpiod1", "/io/gpiod1/chips", NULL, &err);
if (!manager)
g_error("failed to create the object manager client: %s",
err->message);
g_signal_connect(manager, "object-added", G_CALLBACK(on_object_added),
&cb_data);
obj = GPIODBUS_OBJECT(g_dbus_object_manager_get_object(manager,
obj_path));
if (obj) {
if (g_strcmp0(g_dbus_object_get_object_path(G_DBUS_OBJECT(obj)),
obj_path) == 0)
added = TRUE;
}
timeout_id = g_timeout_add_seconds(5, on_timeout, NULL);
while (!added)
g_main_context_iteration(NULL, TRUE);
g_source_remove(timeout_id);
}
GVariant *gpiodbus_test_make_empty_request_config(void)
{
GVariantBuilder builder;
g_variant_builder_init(&builder, G_VARIANT_TYPE("a{sv}"));
return g_variant_ref_sink(g_variant_builder_end(&builder));
}
|
