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/*
* Embedded Linux library
* Copyright (C) 2011-2014 Intel Corporation
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <assert.h>
#include <signal.h>
#include <ell/ell.h>
static void do_debug(const char *str, void *user_data)
{
const char *prefix = user_data;
l_info("%s%s", prefix, str);
}
static void signal_handler(uint32_t signo, void *user_data)
{
switch (signo) {
case SIGINT:
case SIGTERM:
l_info("Terminate");
l_main_quit();
break;
}
}
static void request_name_callback(struct l_dbus *dbus, bool success,
bool queued, void *user_data)
{
l_info("request name result=%s",
success ? (queued ? "queued" : "success") : "failed");
}
static void ready_callback(void *user_data)
{
l_info("ready");
}
static void disconnect_callback(void *user_data)
{
l_main_quit();
}
struct test_data {
char *string;
uint32_t integer;
};
static void test_data_destroy(void *data)
{
struct test_data *test = data;
l_free(test->string);
l_free(test);
}
static struct l_dbus_message *test_method_call(struct l_dbus *dbus,
struct l_dbus_message *message,
void *user_data)
{
struct l_dbus_message *reply;
l_info("Method Call");
reply = l_dbus_message_new_method_return(message);
l_dbus_message_set_arguments(reply, "");
return reply;
}
static bool test_string_getter(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_builder *builder,
void *user_data)
{
struct test_data *test = user_data;
l_dbus_message_builder_append_basic(builder, 's', test->string);
return true;
}
static struct l_dbus_message *test_string_setter(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_iter *new_value,
l_dbus_property_complete_cb_t complete,
void *user_data)
{
const char *strvalue;
struct test_data *test = user_data;
if (!l_dbus_message_iter_get_variant(new_value, "s", &strvalue))
return l_dbus_message_new_error(message,
"org.test.InvalidArguments",
"String value expected");
l_info("New String value: %s", strvalue);
l_free(test->string);
test->string = l_strdup(strvalue);
complete(dbus, message, NULL);
return NULL;
}
static bool test_int_getter(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_builder *builder,
void *user_data)
{
struct test_data *test = user_data;
l_dbus_message_builder_append_basic(builder, 'u', &test->integer);
return true;
}
static struct l_dbus_message *test_int_setter(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_iter *new_value,
l_dbus_property_complete_cb_t complete,
void *user_data)
{
uint32_t u;
struct test_data *test = user_data;
if (!l_dbus_message_iter_get_variant(new_value, "u", &u))
return l_dbus_message_new_error(message,
"org.test.InvalidArguments",
"Integer value expected");
l_info("New Integer value: %u", u);
test->integer = u;
complete(dbus, message, NULL);
return NULL;
}
static void setup_test_interface(struct l_dbus_interface *interface)
{
l_dbus_interface_method(interface, "MethodCall", 0,
test_method_call, "", "");
l_dbus_interface_property(interface, "String", 0, "s",
test_string_getter, test_string_setter);
l_dbus_interface_property(interface, "Integer", 0, "u",
test_int_getter, test_int_setter);
}
int main(int argc, char *argv[])
{
struct l_dbus *dbus;
struct test_data *test;
if (!l_main_init())
return -1;
l_log_set_stderr();
dbus = l_dbus_new_default(L_DBUS_SESSION_BUS);
l_dbus_set_debug(dbus, do_debug, "[DBUS] ", NULL);
l_dbus_set_ready_handler(dbus, ready_callback, dbus, NULL);
l_dbus_set_disconnect_handler(dbus, disconnect_callback, NULL, NULL);
l_dbus_name_acquire(dbus, "org.test", false, false, false,
request_name_callback, NULL);
if (!l_dbus_object_manager_enable(dbus, "/")) {
l_info("Unable to enable Object Manager");
goto cleanup;
}
test = l_new(struct test_data, 1);
test->string = l_strdup("Default");
test->integer = 42;
if (!l_dbus_register_interface(dbus, "org.test", setup_test_interface,
test_data_destroy, true)) {
l_info("Unable to register interface");
test_data_destroy(test);
goto cleanup;
}
if (!l_dbus_object_add_interface(dbus, "/test", "org.test", test)) {
l_info("Unable to instantiate interface");
test_data_destroy(test);
goto cleanup;
}
if (!l_dbus_object_add_interface(dbus, "/test",
L_DBUS_INTERFACE_PROPERTIES, NULL)) {
l_info("Unable to instantiate the properties interface");
test_data_destroy(test);
goto cleanup;
}
l_main_run_with_signal(signal_handler, NULL);
l_dbus_unregister_object(dbus, "/test");
cleanup:
l_dbus_destroy(dbus);
l_main_exit();
return 0;
}
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