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/***
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 "bus-match.h"
#include "bus-message.h"
#include "bus-slot.h"
#include "bus-util.h"
#include "log.h"
#include "macro.h"
static bool mask[32];
static int filter(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
log_info("Ran %u", PTR_TO_UINT(userdata));
assert_se(PTR_TO_UINT(userdata) < ELEMENTSOF(mask));
mask[PTR_TO_UINT(userdata)] = true;
return 0;
}
static bool mask_contains(unsigned a[], unsigned n) {
unsigned i, j;
for (i = 0; i < ELEMENTSOF(mask); i++) {
bool found = false;
for (j = 0; j < n; j++)
if (a[j] == i) {
found = true;
break;
}
if (found != mask[i])
return false;
}
return true;
}
static int match_add(sd_bus_slot *slots, struct bus_match_node *root, const char *match, int value) {
struct bus_match_component *components = NULL;
unsigned n_components = 0;
sd_bus_slot *s;
int r;
s = slots + value;
zero(*s);
r = bus_match_parse(match, &components, &n_components);
if (r < 0)
return r;
s->userdata = INT_TO_PTR(value);
s->match_callback.callback = filter;
r = bus_match_add(root, components, n_components, &s->match_callback);
bus_match_parse_free(components, n_components);
return r;
}
static void test_match_scope(const char *match, enum bus_match_scope scope) {
struct bus_match_component *components = NULL;
unsigned n_components = 0;
assert_se(bus_match_parse(match, &components, &n_components) >= 0);
assert_se(bus_match_get_scope(components, n_components) == scope);
bus_match_parse_free(components, n_components);
}
int main(int argc, char *argv[]) {
struct bus_match_node root = {
.type = BUS_MATCH_ROOT,
};
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
enum bus_match_node_type i;
sd_bus_slot slots[19];
int r;
r = sd_bus_open_system(&bus);
if (r < 0)
return EXIT_TEST_SKIP;
assert_se(match_add(slots, &root, "arg2='wal\\'do',sender='foo',type='signal',interface='bar.x',", 1) >= 0);
assert_se(match_add(slots, &root, "arg2='wal\\'do2',sender='foo',type='signal',interface='bar.x',", 2) >= 0);
assert_se(match_add(slots, &root, "arg3='test',sender='foo',type='signal',interface='bar.x',", 3) >= 0);
assert_se(match_add(slots, &root, "arg3='test',sender='foo',type='method_call',interface='bar.x',", 4) >= 0);
assert_se(match_add(slots, &root, "", 5) >= 0);
assert_se(match_add(slots, &root, "interface='quux.x'", 6) >= 0);
assert_se(match_add(slots, &root, "interface='bar.x'", 7) >= 0);
assert_se(match_add(slots, &root, "member='waldo',path='/foo/bar'", 8) >= 0);
assert_se(match_add(slots, &root, "path='/foo/bar'", 9) >= 0);
assert_se(match_add(slots, &root, "path_namespace='/foo'", 10) >= 0);
assert_se(match_add(slots, &root, "path_namespace='/foo/quux'", 11) >= 0);
assert_se(match_add(slots, &root, "arg1='two'", 12) >= 0);
assert_se(match_add(slots, &root, "member='waldo',arg2path='/prefix/'", 13) >= 0);
assert_se(match_add(slots, &root, "member=waldo,path='/foo/bar',arg3namespace='prefix'", 14) >= 0);
assert_se(match_add(slots, &root, "arg4has='pi'", 15) >= 0);
assert_se(match_add(slots, &root, "arg4has='pa'", 16) >= 0);
assert_se(match_add(slots, &root, "arg4has='po'", 17) >= 0);
assert_se(match_add(slots, &root, "arg4='pi'", 18) >= 0);
bus_match_dump(&root, 0);
assert_se(sd_bus_message_new_signal(bus, &m, "/foo/bar", "bar.x", "waldo") >= 0);
assert_se(sd_bus_message_append(m, "ssssas", "one", "two", "/prefix/three", "prefix.four", 3, "pi", "pa", "po") >= 0);
assert_se(bus_message_seal(m, 1, 0) >= 0);
zero(mask);
assert_se(bus_match_run(NULL, &root, m) == 0);
assert_se(mask_contains((unsigned[]) { 9, 8, 7, 5, 10, 12, 13, 14, 15, 16, 17 }, 11));
assert_se(bus_match_remove(&root, &slots[8].match_callback) >= 0);
assert_se(bus_match_remove(&root, &slots[13].match_callback) >= 0);
bus_match_dump(&root, 0);
zero(mask);
assert_se(bus_match_run(NULL, &root, m) == 0);
assert_se(mask_contains((unsigned[]) { 9, 5, 10, 12, 14, 7, 15, 16, 17 }, 9));
for (i = 0; i < _BUS_MATCH_NODE_TYPE_MAX; i++) {
char buf[32];
const char *x;
assert_se(x = bus_match_node_type_to_string(i, buf, sizeof(buf)));
if (i >= BUS_MATCH_MESSAGE_TYPE)
assert_se(bus_match_node_type_from_string(x, strlen(x)) == i);
}
bus_match_free(&root);
test_match_scope("interface='foobar'", BUS_MATCH_GENERIC);
test_match_scope("", BUS_MATCH_GENERIC);
test_match_scope("interface='org.freedesktop.DBus.Local'", BUS_MATCH_LOCAL);
test_match_scope("sender='org.freedesktop.DBus.Local'", BUS_MATCH_LOCAL);
test_match_scope("member='gurke',path='/org/freedesktop/DBus/Local'", BUS_MATCH_LOCAL);
test_match_scope("arg2='piep',sender='org.freedesktop.DBus',member='waldo'", BUS_MATCH_DRIVER);
return 0;
}
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