/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2013 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ #include "util.h" #include "sd-bus.h" #include "bus-message.h" #include "bus-error.h" #include "bus-kernel.h" 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; 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); r = sd_bus_emit_signal(a, "/foo", "waldo.com", "Piep", "s", "I am a string"); 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")); r = sd_bus_request_name(a, "net.0pointer.foobar", 0); assert_se(r >= 0); r = sd_bus_release_name(a, "net.0pointer.foobar"); assert_se(r >= 0); r = sd_bus_release_name(a, "net.0pointer.foobar"); assert_se(r >= 0); sd_bus_unref(a); sd_bus_unref(b); return 0; }