/*-*- 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 <assert.h> #include "log.h" #include "util.h" #include "macro.h" #include "bus-match.h" #include "bus-message.h" #include "bus-util.h" static bool mask[32]; static int filter(sd_bus *b, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { log_info("Ran %i", PTR_TO_INT(userdata)); mask[PTR_TO_INT(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(struct bus_match_node *root, const char *match, int value) { struct bus_match_component *components = NULL; unsigned n_components = 0; int r; r = bus_match_parse(match, &components, &n_components); if (r < 0) return r; r = bus_match_add(root, components, n_components, filter, INT_TO_PTR(value), 0, NULL); bus_match_parse_free(components, n_components); return r; } static int match_remove(struct bus_match_node *root, const char *match, int value) { struct bus_match_component *components = NULL; unsigned n_components = 0; int r; r = bus_match_parse(match, &components, &n_components); if (r < 0) return r; r = bus_match_remove(root, components, n_components, filter, INT_TO_PTR(value), 0); bus_match_parse_free(components, n_components); return r; } int main(int argc, char *argv[]) { struct bus_match_node root; _cleanup_bus_message_unref_ sd_bus_message *m = NULL; enum bus_match_node_type i; zero(root); root.type = BUS_MATCH_ROOT; assert_se(match_add(&root, "arg2='wal\\'do',sender='foo',type='signal',interface='bar.x',", 1) >= 0); assert_se(match_add(&root, "arg2='wal\\'do2',sender='foo',type='signal',interface='bar.x',", 2) >= 0); assert_se(match_add(&root, "arg3='test',sender='foo',type='signal',interface='bar.x',", 3) >= 0); assert_se(match_add(&root, "arg3='test',sender='foo',type='method_call',interface='bar.x',", 4) >= 0); assert_se(match_add(&root, "", 5) >= 0); assert_se(match_add(&root, "interface='quux.x'", 6) >= 0); assert_se(match_add(&root, "interface='bar.x'", 7) >= 0); assert_se(match_add(&root, "member='waldo',path='/foo/bar'", 8) >= 0); assert_se(match_add(&root, "path='/foo/bar'", 9) >= 0); assert_se(match_add(&root, "path_namespace='/foo'", 10) >= 0); assert_se(match_add(&root, "path_namespace='/foo/quux'", 11) >= 0); assert_se(match_add(&root, "arg1='two'", 12) >= 0); assert_se(match_add(&root, "member='waldo',arg2path='/prefix/'", 13) >= 0); assert_se(match_add(&root, "member=waldo,path='/foo/bar',arg3namespace='prefix'", 14) >= 0); bus_match_dump(&root, 0); assert_se(sd_bus_message_new_signal(NULL, &m, "/foo/bar", "bar.x", "waldo") >= 0); assert_se(sd_bus_message_append(m, "ssss", "one", "two", "/prefix/three", "prefix.four") >= 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 }, 8)); assert_se(match_remove(&root, "member='waldo',path='/foo/bar'", 8) > 0); assert_se(match_remove(&root, "arg2path='/prefix/',member='waldo'", 13) > 0); assert_se(match_remove(&root, "interface='bar.xx'", 7) == 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 }, 6)); 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); return 0; }