Systemd/src/libsystemd/sd-bus/test-bus-proxy.c

118 lines
3.3 KiB
C

/***
This file is part of systemd.
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
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 <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include "sd-bus.h"
#include "alloc-util.h"
#include "bus-dump.h"
#include "bus-kernel.h"
#include "bus-util.h"
#include "log.h"
#include "util.h"
typedef struct {
const char *sender;
int matched_acquired;
} TestProxyMatch;
static int test_proxy_acquired(sd_bus_message *m, void *userdata, sd_bus_error *error) {
TestProxyMatch *match = userdata;
const char *name;
int r;
r = sd_bus_message_read(m, "s", &name);
assert_se(r >= 0);
if (!streq_ptr(match->sender, name))
return 0;
++match->matched_acquired;
return 1;
}
static void test_proxy_matched(void) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *a = NULL;
_cleanup_free_ char *matchstr = NULL;
TestProxyMatch match = {};
const char *me;
int r;
/* open bus 'a' */
r = sd_bus_new(&a);
assert_se(r >= 0);
r = sd_bus_set_address(a, "unix:path=/var/run/dbus/system_bus_socket");
assert_se(r >= 0);
r = sd_bus_set_bus_client(a, true);
assert_se(r >= 0);
r = sd_bus_start(a);
assert_se(r >= 0);
r = sd_bus_get_unique_name(a, &me);
assert_se(r >= 0);
matchstr = strjoin("type='signal',"
"member='NameAcquired',"
"destination='",
me,
"'",
NULL);
assert_se(matchstr);
r = sd_bus_add_match(a, NULL, matchstr, test_proxy_acquired, &match);
assert_se(r >= 0);
r = sd_bus_get_unique_name(a, &match.sender);
assert_se(r >= 0);
/* barrier to guarantee proxy/dbus-daemon handled the previous data */
r = sd_bus_call_method(a,
"org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus",
"GetId",
NULL, NULL, NULL);
assert_se(r >= 0);
/* now we can be sure the Name* signals were sent */
do {
r = sd_bus_process(a, NULL);
} while (r > 0);
assert_se(r == 0);
assert_se(match.matched_acquired == 1);
}
int main(int argc, char **argv) {
if (access("/var/run/dbus/system_bus_socket", F_OK) < 0)
return EXIT_TEST_SKIP;
log_parse_environment();
test_proxy_matched();
return EXIT_SUCCESS;
}