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/*-*- 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 <http://www.gnu.org/licenses/>.
***/
#include <fcntl.h>
#include "util.h"
#include "log.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, 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);
/* interface='waldo.com',member='Piep' */
assert_se(sd_bus_add_match(b, "interface='waldo.com'", NULL, NULL) >= 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;
}
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