bus: parse matches locally and allow registration of callbacks for them

[elogind.git] / src / libsystemd-bus / test-bus-match.c

diff --git a/src/libsystemd-bus/test-bus-match.c b/src/libsystemd-bus/test-bus-match.c
new file mode 100644 (file)
index 0000000..ccbea81
--- /dev/null
+++ b/src/libsystemd-bus/test-bus-match.c
@@ -0,0 +1,114 @@
+/*-*- 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"
+
+static bool mask[32];
+
+static int filter(sd_bus *b, int ret, sd_bus_message *m, void *userdata) {
+        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;
+}
+
+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(bus_match_add(&root, "arg3='wal\\'do',sender='foo',type='signal',interface='bar',", filter, INT_TO_PTR(1), NULL) >= 0);
+        assert_se(bus_match_add(&root, "arg3='wal\\'do2',sender='foo',type='signal',interface='bar',", filter, INT_TO_PTR(2), NULL) >= 0);
+        assert_se(bus_match_add(&root, "arg4='test',sender='foo',type='signal',interface='bar',", filter, INT_TO_PTR(3), NULL) >= 0);
+        assert_se(bus_match_add(&root, "arg4='test',sender='foo',type='method_call',interface='bar',", filter, INT_TO_PTR(4), NULL) >= 0);
+        assert_se(bus_match_add(&root, "", filter, INT_TO_PTR(5), NULL) >= 0);
+        assert_se(bus_match_add(&root, "interface='quux'", filter, INT_TO_PTR(6), NULL) >= 0);
+        assert_se(bus_match_add(&root, "interface='bar'", filter, INT_TO_PTR(7), NULL) >= 0);
+        assert_se(bus_match_add(&root, "member='waldo',path='/foo/bar'", filter, INT_TO_PTR(8), NULL) >= 0);
+        assert_se(bus_match_add(&root, "path='/foo/bar'", filter, INT_TO_PTR(9), NULL) >= 0);
+        assert_se(bus_match_add(&root, "path_namespace='/foo'", filter, INT_TO_PTR(10), NULL) >= 0);
+        assert_se(bus_match_add(&root, "path_namespace='/foo/quux'", filter, INT_TO_PTR(11), NULL) >= 0);
+        assert_se(bus_match_add(&root, "arg2='two'", filter, INT_TO_PTR(12), NULL) >= 0);
+        assert_se(bus_match_add(&root, "member='waldo',arg3path='/prefix/'", filter, INT_TO_PTR(13), NULL) >= 0);
+        assert_se(bus_match_add(&root, "member='waldo',path='/foo/bar',arg4namespace='prefix'", filter, INT_TO_PTR(14), NULL) >= 0);
+
+        bus_match_dump(&root, 0);
+
+        assert_se(sd_bus_message_new_signal(NULL, "/foo/bar", "bar", "waldo", &m) >= 0);
+        assert_se(sd_bus_message_append(m, "ssss", "one", "two", "/prefix/three", "prefix.four") >= 0);
+        assert_se(bus_message_seal(m, 1) >= 0);
+
+        zero(mask);
+        assert_se(bus_match_run(NULL, &root, 0, m) == 0);
+        assert_se(mask_contains((unsigned[]) { 9, 8, 7, 5, 10, 12, 13, 14 }, 8));
+
+        assert_se(bus_match_remove(&root, "member='waldo',path='/foo/bar'", filter, INT_TO_PTR(8)) > 0);
+        assert_se(bus_match_remove(&root, "arg3path='/prefix/',member='waldo'", filter, INT_TO_PTR(13)) > 0);
+        assert_se(bus_match_remove(&root, "interface='barxx'", filter, INT_TO_PTR(7)) == 0);
+
+        bus_match_dump(&root, 0);
+
+        zero(mask);
+        assert_se(bus_match_run(NULL, &root, 0, 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;
+}