src/libsystemd-bus/test-bus-match.c

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2013 Lennart Poettering
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU Lesser General Public License as published by
  10   the Free Software Foundation; either version 2.1 of the License, or
  11   (at your option) any later version.
  12
  13   systemd is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   Lesser General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include <assert.h>
  23
  24 #include "log.h"
  25 #include "util.h"
  26 #include "macro.h"
  27
  28 #include "bus-match.h"
  29 #include "bus-message.h"
  30
  31 static bool mask[32];
  32
  33 static int filter(sd_bus *b, sd_bus_message *m, void *userdata) {
  34         log_info("Ran %i", PTR_TO_INT(userdata));
  35         mask[PTR_TO_INT(userdata)] = true;
  36         return 0;
  37 }
  38
  39 static bool mask_contains(unsigned a[], unsigned n) {
  40         unsigned i, j;
  41
  42         for (i = 0; i < ELEMENTSOF(mask); i++) {
  43                 bool found = false;
  44
  45                 for (j = 0; j < n; j++)
  46                         if (a[j] == i) {
  47                                 found = true;
  48                                 break;
  49                         }
  50
  51                 if (found != mask[i])
  52                         return false;
  53         }
  54
  55         return true;
  56 }
  57
  58 int main(int argc, char *argv[]) {
  59         struct bus_match_node root;
  60         _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
  61         enum bus_match_node_type i;
  62
  63         zero(root);
  64         root.type = BUS_MATCH_ROOT;
  65
  66         assert_se(bus_match_add(&root, "arg2='wal\\'do',sender='foo',type='signal',interface='bar',", filter, INT_TO_PTR(1), NULL) >= 0);
  67         assert_se(bus_match_add(&root, "arg2='wal\\'do2',sender='foo',type='signal',interface='bar',", filter, INT_TO_PTR(2), NULL) >= 0);
  68         assert_se(bus_match_add(&root, "arg3='test',sender='foo',type='signal',interface='bar',", filter, INT_TO_PTR(3), NULL) >= 0);
  69         assert_se(bus_match_add(&root, "arg3='test',sender='foo',type='method_call',interface='bar',", filter, INT_TO_PTR(4), NULL) >= 0);
  70         assert_se(bus_match_add(&root, "", filter, INT_TO_PTR(5), NULL) >= 0);
  71         assert_se(bus_match_add(&root, "interface='quux'", filter, INT_TO_PTR(6), NULL) >= 0);
  72         assert_se(bus_match_add(&root, "interface='bar'", filter, INT_TO_PTR(7), NULL) >= 0);
  73         assert_se(bus_match_add(&root, "member='waldo',path='/foo/bar'", filter, INT_TO_PTR(8), NULL) >= 0);
  74         assert_se(bus_match_add(&root, "path='/foo/bar'", filter, INT_TO_PTR(9), NULL) >= 0);
  75         assert_se(bus_match_add(&root, "path_namespace='/foo'", filter, INT_TO_PTR(10), NULL) >= 0);
  76         assert_se(bus_match_add(&root, "path_namespace='/foo/quux'", filter, INT_TO_PTR(11), NULL) >= 0);
  77         assert_se(bus_match_add(&root, "arg1='two'", filter, INT_TO_PTR(12), NULL) >= 0);
  78         assert_se(bus_match_add(&root, "member='waldo',arg2path='/prefix/'", filter, INT_TO_PTR(13), NULL) >= 0);
  79         assert_se(bus_match_add(&root, "member='waldo',path='/foo/bar',arg3namespace='prefix'", filter, INT_TO_PTR(14), NULL) >= 0);
  80
  81         bus_match_dump(&root, 0);
  82
  83         assert_se(sd_bus_message_new_signal(NULL, "/foo/bar", "bar", "waldo", &m) >= 0);
  84         assert_se(sd_bus_message_append(m, "ssss", "one", "two", "/prefix/three", "prefix.four") >= 0);
  85         assert_se(bus_message_seal(m, 1) >= 0);
  86
  87         zero(mask);
  88         assert_se(bus_match_run(NULL, &root, m) == 0);
  89         assert_se(mask_contains((unsigned[]) { 9, 8, 7, 5, 10, 12, 13, 14 }, 8));
  90
  91         assert_se(bus_match_remove(&root, "member='waldo',path='/foo/bar'", filter, INT_TO_PTR(8)) > 0);
  92         assert_se(bus_match_remove(&root, "arg2path='/prefix/',member='waldo'", filter, INT_TO_PTR(13)) > 0);
  93         assert_se(bus_match_remove(&root, "interface='barxx'", filter, INT_TO_PTR(7)) == 0);
  94
  95         bus_match_dump(&root, 0);
  96
  97         zero(mask);
  98         assert_se(bus_match_run(NULL, &root, m) == 0);
  99         assert_se(mask_contains((unsigned[]) { 9, 5, 10, 12, 14, 7 }, 6));
 100
 101         for (i = 0; i < _BUS_MATCH_NODE_TYPE_MAX; i++) {
 102                 char buf[32];
 103                 const char *x;
 104
 105                 assert_se(x = bus_match_node_type_to_string(i, buf, sizeof(buf)));
 106
 107                 if (i >= BUS_MATCH_MESSAGE_TYPE)
 108                         assert_se(bus_match_node_type_from_string(x, strlen(x)) == i);
 109         }
 110
 111         bus_match_free(&root);
 112
 113         return 0;
 114 }