コード例 #1
0
static int method_echo(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
	char *str;
	const char *intf = sd_bus_message_get_interface(m),
	      *path = sd_bus_message_get_path(m);
	sd_bus *bus = sd_bus_message_get_bus(m);

	char response[512] = {0};
	int r;

	/* Read the parameters */
	r = sd_bus_message_read(m, "s", &str);
	if (r < 0) {
		fprintf(stderr, "Failed to parse parameters: %s\n", strerror(-r));
		return r;
	}

	r = sd_bus_emit_signal(bus, path, intf, "MethodInvoked", "ss",
			"Echo method was invoked", path);
	if (r < 0) {
		fprintf(stderr, "Failed to emit signal: %s\n", strerror(-r));
		return r;
	}

	strncat(response, path, 128);
	strcat(response, " says ");
	strncat(response, str, 128);

	/* Reply with the response */
	return sd_bus_reply_method_return(m, "s", &response);
}
コード例 #2
0
ファイル: spamsignals.c プロジェクト: bossjones/dbus-signals
static int generate_signals(sd_bus_message *m, void *userdata, sd_bus_error
        *ret_error) {
    uint64_t num_signals, payload_size;
    uint64_t i = 0;
    double c_time;
    int r;
    struct timeval ts;
    char *pl = NULL;

    /* Read the parameters */
    r = sd_bus_message_read(m, "tt", &num_signals, &payload_size);
    if (r < 0) {
        fprintf(stderr, "Failed to parse parameters: %s\n", strerror(-r));
        return r;
    }

    printf("SpamSignal: %"PRIu64", %"PRIu64 "\n", num_signals,
            payload_size);

    pl = (char*) malloc(payload_size + 1);
    _rs(pl, payload_size);

    for (i = 0; i < num_signals; i++) {
        c_time = time_time();
        r = sd_bus_emit_signal(bus, OBJ, INT,
                "Spam", "dts", c_time, payload_size, pl);
        if (r < 0) {
            fprintf(stderr, "Failed to emit signal: %s\n", strerror(-r));
            free(pl);
            return sd_bus_reply_method_return(m, "t", i);
        }
    }
    free(pl);
    return sd_bus_reply_method_return(m, "t", num_signals);
}
コード例 #3
0
static void test_one(
                const char *path,
                const char *interface,
                const char *member,
                const char *arg0,
                const char *match,
                bool good) {

        _cleanup_close_ int bus_ref = -1;
        _cleanup_free_ char *name = NULL, *bus_name = NULL, *address = NULL;
        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
        sd_bus *a, *b;
        int r;

        assert_se(asprintf(&name, "deine-mutter-%u", (unsigned) getpid()) >= 0);

        bus_ref = bus_kernel_create_bus(name, false, &bus_name);
        if (bus_ref == -ENOENT)
                exit(EXIT_TEST_SKIP);

        assert_se(bus_ref >= 0);

        address = strappend("kernel:path=", bus_name);
        assert_se(address);

        r = sd_bus_new(&a);
        assert_se(r >= 0);

        r = sd_bus_new(&b);
        assert_se(r >= 0);

        r = sd_bus_set_address(a, address);
        assert_se(r >= 0);

        r = sd_bus_set_address(b, address);
        assert_se(r >= 0);

        r = sd_bus_start(a);
        assert_se(r >= 0);

        r = sd_bus_start(b);
        assert_se(r >= 0);

        log_debug("match");
        r = sd_bus_add_match(b, NULL, match, NULL, NULL);
        assert_se(r >= 0);

        log_debug("signal");
        r = sd_bus_emit_signal(a, path, interface, member, "s", arg0);
        assert_se(r >= 0);

        r = sd_bus_process(b, &m);
        assert_se(r >= 0 && (good == !!m));

        sd_bus_unref(a);
        sd_bus_unref(b);
}
コード例 #4
0
ファイル: afb-api-dbus.c プロジェクト: Tarnyko/afb-daemon
static void afb_api_dbus_server_send_event(struct api_dbus *api, const char *event, struct json_object *object)
{
	int rc;

	rc = sd_bus_emit_signal(api->sdbus, api->path, api->name,
			"event", "ss", event, json_object_to_json_string_ext(object, JSON_C_TO_STRING_PLAIN));
	if (rc < 0)
		ERROR("error while emiting event %s", event);
	json_object_put(object);
}
コード例 #5
0
int main(int argc, char *argv[]) {
        _cleanup_bus_unref_ sd_bus *bus = NULL;
        int r;

        if (argc != 2) {
                log_error("Incorrect number of arguments.");
                return EXIT_FAILURE;
        }

        log_set_target(LOG_TARGET_AUTO);
        log_parse_environment();
        log_open();

        /* We send this event to the private D-Bus socket and then the
         * system instance will forward this to the system bus. We do
         * this to avoid an activation loop when we start dbus when we
         * are called when the dbus service is shut down. */

        r = bus_open_system_systemd(&bus);
        if (r < 0) {
                /* If we couldn't connect we assume this was triggered
                 * while systemd got restarted/transitioned from
                 * initrd to the system, so let's ignore this */
                log_debug("Failed to get D-Bus connection: %s", strerror(-r));
                return EXIT_FAILURE;
        }

        r = sd_bus_emit_signal(bus,
                               "/org/freedesktop/systemd1/agent",
                               "org.freedesktop.systemd1.Agent",
                               "Released",
                               "s", argv[1]);
        if (r < 0) {
                log_debug("Failed to send signal message on private connection: %s", strerror(-r));
                return EXIT_FAILURE;
        }

        sd_bus_flush(bus);

        return EXIT_SUCCESS;
}
コード例 #6
0
ファイル: test-bus-kernel.c プロジェクト: AOSC-Dev/systemd
int main(int argc, char *argv[]) {
        _cleanup_close_ int bus_ref = -1;
        _cleanup_free_ char *name = NULL, *bus_name = NULL, *address = NULL, *bname = NULL;
        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
        const char *ua = NULL, *ub = NULL, *the_string = NULL;
        sd_bus *a, *b;
        int r, pipe_fds[2];
        const char *nn;

        log_set_max_level(LOG_DEBUG);

        assert_se(asprintf(&name, "deine-mutter-%u", (unsigned) getpid()) >= 0);

        bus_ref = bus_kernel_create_bus(name, false, &bus_name);
        if (bus_ref == -ENOENT)
                return EXIT_TEST_SKIP;

        assert_se(bus_ref >= 0);

        address = strappend("kernel:path=", bus_name);
        assert_se(address);

        r = sd_bus_new(&a);
        assert_se(r >= 0);

        r = sd_bus_new(&b);
        assert_se(r >= 0);

        r = sd_bus_set_description(a, "a");
        assert_se(r >= 0);

        r = sd_bus_set_address(a, address);
        assert_se(r >= 0);

        r = sd_bus_set_address(b, address);
        assert_se(r >= 0);

        assert_se(sd_bus_negotiate_timestamp(a, 1) >= 0);
        assert_se(sd_bus_negotiate_creds(a, true, _SD_BUS_CREDS_ALL) >= 0);

        assert_se(sd_bus_negotiate_timestamp(b, 0) >= 0);
        assert_se(sd_bus_negotiate_creds(b, true, 0) >= 0);

        r = sd_bus_start(a);
        assert_se(r >= 0);

        r = sd_bus_start(b);
        assert_se(r >= 0);

        assert_se(sd_bus_negotiate_timestamp(b, 1) >= 0);
        assert_se(sd_bus_negotiate_creds(b, true, _SD_BUS_CREDS_ALL) >= 0);

        r = sd_bus_get_unique_name(a, &ua);
        assert_se(r >= 0);
        printf("unique a: %s\n", ua);

        r = sd_bus_get_description(a, &nn);
        assert_se(r >= 0);
        printf("name of a: %s\n", nn);

        r = sd_bus_get_unique_name(b, &ub);
        assert_se(r >= 0);
        printf("unique b: %s\n", ub);

        r = sd_bus_get_description(b, &nn);
        assert_se(r >= 0);
        printf("name of b: %s\n", nn);

        assert_se(bus_kernel_get_bus_name(b, &bname) >= 0);
        assert_se(endswith(bname, name));

        r = sd_bus_call_method(a, "this.doesnt.exist", "/foo", "meh.mah", "muh", &error, NULL, "s", "yayayay");
        assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_SERVICE_UNKNOWN));
        assert_se(r == -EHOSTUNREACH);

        r = sd_bus_add_match(b, NULL, "interface='waldo.com',member='Piep'", NULL, NULL);
        assert_se(r >= 0);

        r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name");
        assert_se(r >= 0);

        r = sd_bus_try_close(b);
        assert_se(r == -EBUSY);

        r = sd_bus_process_priority(b, -10, &m);
        assert_se(r == 0);

        r = sd_bus_process(b, &m);
        assert_se(r > 0);
        assert_se(m);

        bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
        assert_se(sd_bus_message_rewind(m, true) >= 0);

        r = sd_bus_message_read(m, "s", &the_string);
        assert_se(r >= 0);
        assert_se(streq(the_string, "I am a string"));

        sd_bus_message_unref(m);
        m = NULL;

        r = sd_bus_request_name(a, "net.x0pointer.foobar", 0);
        assert_se(r >= 0);

        r = sd_bus_message_new_method_call(b, &m, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod");
        assert_se(r >= 0);

        assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0);

        assert_se(write(pipe_fds[1], "x", 1) == 1);

        pipe_fds[1] = safe_close(pipe_fds[1]);

        r = sd_bus_message_append(m, "h", pipe_fds[0]);
        assert_se(r >= 0);

        pipe_fds[0] = safe_close(pipe_fds[0]);

        r = sd_bus_send(b, m, NULL);
        assert_se(r >= 0);

        for (;;) {
                sd_bus_message_unref(m);
                m = NULL;
                r = sd_bus_process(a, &m);
                assert_se(r > 0);
                assert_se(m);

                bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
                assert_se(sd_bus_message_rewind(m, true) >= 0);

                if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) {
                        int fd;
                        char x;

                        r = sd_bus_message_read(m, "h", &fd);
                        assert_se(r >= 0);

                        assert_se(read(fd, &x, 1) == 1);
                        assert_se(x == 'x');
                        break;
                }
        }

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r >= 0);

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r == -ESRCH);

        r = sd_bus_try_close(a);
        assert_se(r >= 0);

        sd_bus_unref(a);
        sd_bus_unref(b);

        return 0;
}
コード例 #7
0
ファイル: test-bus-kernel.c プロジェクト: prodigeni/systemd
int main(int argc, char *argv[]) {
        _cleanup_close_ int bus_ref = -1;
        _cleanup_free_ char *bus_name = NULL, *address = NULL;
        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
        const char *ua = NULL, *ub = NULL, *the_string = NULL;
        sd_bus *a, *b;
        int r, pipe_fds[2];

        log_set_max_level(LOG_DEBUG);

        bus_ref = bus_kernel_create("deine-mutter", &bus_name);
        if (bus_ref == -ENOENT)
                return EXIT_TEST_SKIP;

        assert_se(bus_ref >= 0);

        address = strappend("kernel:path=", bus_name);
        assert_se(address);

        r = sd_bus_new(&a);
        assert_se(r >= 0);

        r = sd_bus_new(&b);
        assert_se(r >= 0);

        r = sd_bus_set_address(a, address);
        assert_se(r >= 0);

        r = sd_bus_set_address(b, address);
        assert_se(r >= 0);

        assert_se(sd_bus_negotiate_attach_comm(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_exe(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_cmdline(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_cgroup(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_caps(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_selinux_context(a, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_audit(a, 1) >= 0);

        assert_se(sd_bus_negotiate_attach_comm(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_exe(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_cmdline(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_cgroup(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_caps(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_selinux_context(b, 1) >= 0);
        assert_se(sd_bus_negotiate_attach_audit(b, 1) >= 0);

        r = sd_bus_start(a);
        assert_se(r >= 0);

        r = sd_bus_start(b);
        assert_se(r >= 0);

        r = sd_bus_get_unique_name(a, &ua);
        assert_se(r >= 0);

        printf("unique a: %s\n", ua);

        r = sd_bus_get_unique_name(b, &ub);
        assert_se(r >= 0);

        printf("unique b: %s\n", ub);

        r = sd_bus_add_match(b, "interface='waldo.com',member='Piep'", NULL, NULL);
        assert_se(r >= 0);

        r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name");
        assert_se(r >= 0);

        r = sd_bus_process(b, &m);
        assert_se(r > 0);
        assert_se(m);

        bus_message_dump(m);
        assert_se(sd_bus_message_rewind(m, true) >= 0);

        r = sd_bus_message_read(m, "s", &the_string);
        assert_se(r >= 0);
        assert_se(streq(the_string, "I am a string"));

        sd_bus_message_unref(m);
        m = NULL;

        r = sd_bus_request_name(a, "net.x0pointer.foobar", 0);
        assert_se(r >= 0);

        r = sd_bus_message_new_method_call(b, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod", &m);
        assert_se(r >= 0);

        assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0);

        assert_se(write(pipe_fds[1], "x", 1) == 1);

        close_nointr_nofail(pipe_fds[1]);
        pipe_fds[1] = -1;

        r = sd_bus_message_append(m, "h", pipe_fds[0]);
        assert_se(r >= 0);

        close_nointr_nofail(pipe_fds[0]);
        pipe_fds[0] = -1;

        r = sd_bus_send(b, m, NULL);
        assert_se(r >= 0);

        for (;;) {
                sd_bus_message_unref(m);
                m = NULL;
                r = sd_bus_process(a, &m);
                assert_se(r > 0);
                assert_se(m);

                bus_message_dump(m);
                assert_se(sd_bus_message_rewind(m, true) >= 0);

                if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) {
                        int fd;
                        char x;

                        r = sd_bus_message_read(m, "h", &fd);
                        assert_se(r >= 0);

                        assert_se(read(fd, &x, 1) == 1);
                        assert_se(x == 'x');
                        break;
                }
        }

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r >= 0);

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r == -ESRCH);

        sd_bus_unref(a);
        sd_bus_unref(b);

        return 0;
}
コード例 #8
0
ファイル: test-bus-kernel.c プロジェクト: kwirk/systemd
int main(int argc, char *argv[]) {
        _cleanup_close_ int bus_ref = -1;
        _cleanup_free_ char *bus_name = NULL, *address = NULL;
        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
        const char *ua = NULL, *ub = NULL, *the_string = NULL;
        sd_bus *a, *b;
        int r, pipe_fds[2];

        bus_ref = bus_kernel_create("deine-mutter", &bus_name);
        if (bus_ref == -ENOENT)
                return EXIT_TEST_SKIP;

        assert_se(bus_ref >= 0);

        address = strappend("kernel:path=", bus_name);
        assert_se(address);

        r = sd_bus_new(&a);
        assert_se(r >= 0);

        r = sd_bus_new(&b);
        assert_se(r >= 0);

        r = sd_bus_set_address(a, address);
        assert_se(r >= 0);

        r = sd_bus_set_address(b, address);
        assert_se(r >= 0);

        r = sd_bus_start(a);
        assert_se(r >= 0);

        r = sd_bus_start(b);
        assert_se(r >= 0);

        r = sd_bus_get_unique_name(a, &ua);
        assert_se(r >= 0);

        printf("unique a: %s\n", ua);

        r = sd_bus_get_unique_name(b, &ub);
        assert_se(r >= 0);

        printf("unique b: %s\n", ub);

        {
                //FIXME:
                struct kdbus_cmd_match cmd_match;

                cmd_match.size = sizeof(cmd_match);
                cmd_match.src_id = KDBUS_MATCH_SRC_ID_ANY;

                r = ioctl(sd_bus_get_fd(a), KDBUS_CMD_MATCH_ADD, &cmd_match);
                assert_se(r >= 0);

                r = ioctl(sd_bus_get_fd(b), KDBUS_CMD_MATCH_ADD, &cmd_match);
                assert_se(r >= 0);
        }

        r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name");
        assert_se(r >= 0);

        r = sd_bus_process(b, &m);
        assert_se(r > 0);
        assert_se(m);

        bus_message_dump(m);
        assert_se(sd_bus_message_rewind(m, true) >= 0);

        r = sd_bus_message_read(m, "s", &the_string);
        assert_se(r >= 0);
        assert_se(streq(the_string, "I am a string"));

        sd_bus_message_unref(m);
        m = NULL;

        r = sd_bus_request_name(a, "net.x0pointer.foobar", 0);
        assert_se(r >= 0);

        r = sd_bus_message_new_method_call(b, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod", &m);
        assert_se(r >= 0);

        assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0);

        assert_se(write(pipe_fds[1], "x", 1) == 1);

        close_nointr_nofail(pipe_fds[1]);
        pipe_fds[1] = -1;

        r = sd_bus_message_append(m, "h", pipe_fds[0]);
        assert_se(r >= 0);

        close_nointr_nofail(pipe_fds[0]);
        pipe_fds[0] = -1;

        r = sd_bus_send(b, m, NULL);
        assert_se(r >= 0);

        for (;;) {
                sd_bus_message_unref(m);
                m = NULL;
                r = sd_bus_process(a, &m);
                assert_se(r > 0);
                assert_se(m);

                bus_message_dump(m);
                assert_se(sd_bus_message_rewind(m, true) >= 0);

                if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) {
                        int fd;
                        char x;

                        r = sd_bus_message_read(m, "h", &fd);
                        assert_se(r >= 0);

                        assert_se(read(fd, &x, 1) == 1);
                        assert_se(x == 'x');
                        break;
                }
        }

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r >= 0);

        r = sd_bus_release_name(a, "net.x0pointer.foobar");
        assert_se(r == -ESRCH);

        sd_bus_unref(a);
        sd_bus_unref(b);

        return 0;
}