summaryrefslogtreecommitdiffstats
path: root/src/libsystemd/sd-bus/test-bus-objects.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/libsystemd/sd-bus/test-bus-objects.c536
1 files changed, 536 insertions, 0 deletions
diff --git a/src/libsystemd/sd-bus/test-bus-objects.c b/src/libsystemd/sd-bus/test-bus-objects.c
new file mode 100644
index 0000000..3c5bb88
--- /dev/null
+++ b/src/libsystemd/sd-bus/test-bus-objects.c
@@ -0,0 +1,536 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <pthread.h>
+#include <stdlib.h>
+
+#include "sd-bus.h"
+
+#include "alloc-util.h"
+#include "bus-dump.h"
+#include "bus-internal.h"
+#include "bus-message.h"
+#include "bus-util.h"
+#include "log.h"
+#include "macro.h"
+#include "strv.h"
+#include "util.h"
+
+struct context {
+ int fds[2];
+ bool quit;
+ char *something;
+ char *automatic_string_property;
+ uint32_t automatic_integer_property;
+};
+
+static int something_handler(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ struct context *c = userdata;
+ const char *s;
+ char *n = NULL;
+ int r;
+
+ r = sd_bus_message_read(m, "s", &s);
+ assert_se(r > 0);
+
+ n = strjoin("<<<", s, ">>>");
+ assert_se(n);
+
+ free(c->something);
+ c->something = n;
+
+ log_info("AlterSomething() called, got %s, returning %s", s, n);
+
+ /* This should fail, since the return type doesn't match */
+ assert_se(sd_bus_reply_method_return(m, "u", 4711) == -ENOMSG);
+
+ r = sd_bus_reply_method_return(m, "s", n);
+ assert_se(r >= 0);
+
+ return 1;
+}
+
+static int exit_handler(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ struct context *c = userdata;
+ int r;
+
+ c->quit = true;
+
+ log_info("Exit called");
+
+ r = sd_bus_reply_method_return(m, "");
+ assert_se(r >= 0);
+
+ return 1;
+}
+
+static int get_handler(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) {
+ struct context *c = userdata;
+ int r;
+
+ log_info("property get for %s called, returning \"%s\".", property, c->something);
+
+ r = sd_bus_message_append(reply, "s", c->something);
+ assert_se(r >= 0);
+
+ return 1;
+}
+
+static int set_handler(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *error) {
+ struct context *c = userdata;
+ const char *s;
+ char *n;
+ int r;
+
+ log_info("property set for %s called", property);
+
+ r = sd_bus_message_read(value, "s", &s);
+ assert_se(r >= 0);
+
+ n = strdup(s);
+ assert_se(n);
+
+ free(c->something);
+ c->something = n;
+
+ return 1;
+}
+
+static int value_handler(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *s = NULL;
+ const char *x;
+ int r;
+
+ assert_se(asprintf(&s, "object %p, path %s", userdata, path) >= 0);
+ r = sd_bus_message_append(reply, "s", s);
+ assert_se(r >= 0);
+
+ assert_se(x = startswith(path, "/value/"));
+
+ assert_se(PTR_TO_UINT(userdata) == 30);
+
+ return 1;
+}
+
+static int notify_test(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ int r;
+
+ assert_se(sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), m->path, "org.freedesktop.systemd.ValueTest", "Value", NULL) >= 0);
+
+ r = sd_bus_reply_method_return(m, NULL);
+ assert_se(r >= 0);
+
+ return 1;
+}
+
+static int notify_test2(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ int r;
+
+ assert_se(sd_bus_emit_properties_changed_strv(sd_bus_message_get_bus(m), m->path, "org.freedesktop.systemd.ValueTest", NULL) >= 0);
+
+ r = sd_bus_reply_method_return(m, NULL);
+ assert_se(r >= 0);
+
+ return 1;
+}
+
+static int emit_interfaces_added(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ int r;
+
+ assert_se(sd_bus_emit_interfaces_added(sd_bus_message_get_bus(m), "/value/a/x", "org.freedesktop.systemd.ValueTest", NULL) >= 0);
+
+ r = sd_bus_reply_method_return(m, NULL);
+ assert_se(r >= 0);
+
+ return 1;
+}
+
+static int emit_interfaces_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ int r;
+
+ assert_se(sd_bus_emit_interfaces_removed(sd_bus_message_get_bus(m), "/value/a/x", "org.freedesktop.systemd.ValueTest", NULL) >= 0);
+
+ r = sd_bus_reply_method_return(m, NULL);
+ assert_se(r >= 0);
+
+ return 1;
+}
+
+static int emit_object_added(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ int r;
+
+ assert_se(sd_bus_emit_object_added(sd_bus_message_get_bus(m), "/value/a/x") >= 0);
+
+ r = sd_bus_reply_method_return(m, NULL);
+ assert_se(r >= 0);
+
+ return 1;
+}
+
+static int emit_object_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ int r;
+
+ assert_se(sd_bus_emit_object_removed(sd_bus_message_get_bus(m), "/value/a/x") >= 0);
+
+ r = sd_bus_reply_method_return(m, NULL);
+ assert_se(r >= 0);
+
+ return 1;
+}
+
+static const sd_bus_vtable vtable[] = {
+ SD_BUS_VTABLE_START(0),
+ SD_BUS_METHOD("AlterSomething", "s", "s", something_handler, 0),
+ SD_BUS_METHOD("Exit", "", "", exit_handler, 0),
+ SD_BUS_WRITABLE_PROPERTY("Something", "s", get_handler, set_handler, 0, 0),
+ SD_BUS_WRITABLE_PROPERTY("AutomaticStringProperty", "s", NULL, NULL, offsetof(struct context, automatic_string_property), 0),
+ SD_BUS_WRITABLE_PROPERTY("AutomaticIntegerProperty", "u", NULL, NULL, offsetof(struct context, automatic_integer_property), 0),
+ SD_BUS_METHOD("NoOperation", NULL, NULL, NULL, 0),
+ SD_BUS_METHOD("EmitInterfacesAdded", NULL, NULL, emit_interfaces_added, 0),
+ SD_BUS_METHOD("EmitInterfacesRemoved", NULL, NULL, emit_interfaces_removed, 0),
+ SD_BUS_METHOD("EmitObjectAdded", NULL, NULL, emit_object_added, 0),
+ SD_BUS_METHOD("EmitObjectRemoved", NULL, NULL, emit_object_removed, 0),
+ SD_BUS_VTABLE_END
+};
+
+static const sd_bus_vtable vtable2[] = {
+ SD_BUS_VTABLE_START(0),
+ SD_BUS_METHOD("NotifyTest", "", "", notify_test, 0),
+ SD_BUS_METHOD("NotifyTest2", "", "", notify_test2, 0),
+ SD_BUS_PROPERTY("Value", "s", value_handler, 10, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Value2", "s", value_handler, 10, SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ SD_BUS_PROPERTY("Value3", "s", value_handler, 10, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("Value4", "s", value_handler, 10, 0),
+ SD_BUS_PROPERTY("AnExplicitProperty", "s", NULL, offsetof(struct context, something), SD_BUS_VTABLE_PROPERTY_EXPLICIT|SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ SD_BUS_VTABLE_END
+};
+
+static int enumerator_callback(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
+
+ if (object_path_startswith("/value", path))
+ assert_se(*nodes = strv_new("/value/a", "/value/b", "/value/c"));
+
+ return 1;
+}
+
+static int enumerator2_callback(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
+
+ if (object_path_startswith("/value/a", path))
+ assert_se(*nodes = strv_new("/value/a/x", "/value/a/y", "/value/a/z"));
+
+ return 1;
+}
+
+static void *server(void *p) {
+ struct context *c = p;
+ sd_bus *bus = NULL;
+ sd_id128_t id;
+ int r;
+
+ c->quit = false;
+
+ assert_se(sd_id128_randomize(&id) >= 0);
+
+ assert_se(sd_bus_new(&bus) >= 0);
+ assert_se(sd_bus_set_fd(bus, c->fds[0], c->fds[0]) >= 0);
+ assert_se(sd_bus_set_server(bus, 1, id) >= 0);
+
+ assert_se(sd_bus_add_object_vtable(bus, NULL, "/foo", "org.freedesktop.systemd.test", vtable, c) >= 0);
+ assert_se(sd_bus_add_object_vtable(bus, NULL, "/foo", "org.freedesktop.systemd.test2", vtable, c) >= 0);
+ assert_se(sd_bus_add_fallback_vtable(bus, NULL, "/value", "org.freedesktop.systemd.ValueTest", vtable2, NULL, UINT_TO_PTR(20)) >= 0);
+ assert_se(sd_bus_add_node_enumerator(bus, NULL, "/value", enumerator_callback, NULL) >= 0);
+ assert_se(sd_bus_add_node_enumerator(bus, NULL, "/value/a", enumerator2_callback, NULL) >= 0);
+ assert_se(sd_bus_add_object_manager(bus, NULL, "/value") >= 0);
+ assert_se(sd_bus_add_object_manager(bus, NULL, "/value/a") >= 0);
+
+ assert_se(sd_bus_start(bus) >= 0);
+
+ log_error("Entering event loop on server");
+
+ while (!c->quit) {
+ log_error("Loop!");
+
+ r = sd_bus_process(bus, NULL);
+ if (r < 0) {
+ log_error_errno(r, "Failed to process requests: %m");
+ goto fail;
+ }
+
+ if (r == 0) {
+ r = sd_bus_wait(bus, (uint64_t) -1);
+ if (r < 0) {
+ log_error_errno(r, "Failed to wait: %m");
+ goto fail;
+ }
+
+ continue;
+ }
+ }
+
+ r = 0;
+
+fail:
+ if (bus) {
+ sd_bus_flush(bus);
+ sd_bus_unref(bus);
+ }
+
+ return INT_TO_PTR(r);
+}
+
+static int client(struct context *c) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *s;
+ int r;
+
+ assert_se(sd_bus_new(&bus) >= 0);
+ assert_se(sd_bus_set_fd(bus, c->fds[1], c->fds[1]) >= 0);
+ assert_se(sd_bus_start(bus) >= 0);
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "NoOperation", &error, NULL, NULL);
+ assert_se(r >= 0);
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "AlterSomething", &error, &reply, "s", "hallo");
+ assert_se(r >= 0);
+
+ r = sd_bus_message_read(reply, "s", &s);
+ assert_se(r >= 0);
+ assert_se(streq(s, "<<<hallo>>>"));
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Doesntexist", &error, &reply, "");
+ assert_se(r < 0);
+ assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD));
+
+ sd_bus_error_free(&error);
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "AlterSomething", &error, &reply, "as", 1, "hallo");
+ assert_se(r < 0);
+ assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS));
+
+ sd_bus_error_free(&error);
+
+ r = sd_bus_get_property(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Something", &error, &reply, "s");
+ assert_se(r >= 0);
+
+ r = sd_bus_message_read(reply, "s", &s);
+ assert_se(r >= 0);
+ assert_se(streq(s, "<<<hallo>>>"));
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_set_property(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Something", &error, "s", "test");
+ assert_se(r >= 0);
+
+ r = sd_bus_get_property(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Something", &error, &reply, "s");
+ assert_se(r >= 0);
+
+ r = sd_bus_message_read(reply, "s", &s);
+ assert_se(r >= 0);
+ assert_se(streq(s, "test"));
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_set_property(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "AutomaticIntegerProperty", &error, "u", 815);
+ assert_se(r >= 0);
+
+ assert_se(c->automatic_integer_property == 815);
+
+ r = sd_bus_set_property(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "AutomaticStringProperty", &error, "s", "Du Dödel, Du!");
+ assert_se(r >= 0);
+
+ assert_se(streq(c->automatic_string_property, "Du Dödel, Du!"));
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, "");
+ assert_se(r >= 0);
+
+ r = sd_bus_message_read(reply, "s", &s);
+ assert_se(r >= 0);
+ fputs(s, stdout);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_get_property(bus, "org.freedesktop.systemd.test", "/value/xuzz", "org.freedesktop.systemd.ValueTest", "Value", &error, &reply, "s");
+ assert_se(r >= 0);
+
+ r = sd_bus_message_read(reply, "s", &s);
+ assert_se(r >= 0);
+ log_info("read %s", s);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/", "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, "");
+ assert_se(r >= 0);
+
+ r = sd_bus_message_read(reply, "s", &s);
+ assert_se(r >= 0);
+ fputs(s, stdout);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value", "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, "");
+ assert_se(r >= 0);
+
+ r = sd_bus_message_read(reply, "s", &s);
+ assert_se(r >= 0);
+ fputs(s, stdout);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value/a", "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, "");
+ assert_se(r >= 0);
+
+ r = sd_bus_message_read(reply, "s", &s);
+ assert_se(r >= 0);
+ fputs(s, stdout);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.DBus.Properties", "GetAll", &error, &reply, "s", "");
+ assert_se(r >= 0);
+
+ bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value/a", "org.freedesktop.DBus.Properties", "GetAll", &error, &reply, "s", "org.freedesktop.systemd.ValueTest2");
+ assert_se(r < 0);
+ assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_INTERFACE));
+ sd_bus_error_free(&error);
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.DBus.ObjectManager", "GetManagedObjects", &error, &reply, "");
+ assert_se(r < 0);
+ assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD));
+ sd_bus_error_free(&error);
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value", "org.freedesktop.DBus.ObjectManager", "GetManagedObjects", &error, &reply, "");
+ assert_se(r >= 0);
+
+ bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value/a", "org.freedesktop.systemd.ValueTest", "NotifyTest", &error, NULL, "");
+ assert_se(r >= 0);
+
+ r = sd_bus_process(bus, &reply);
+ assert_se(r > 0);
+
+ assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.Properties", "PropertiesChanged"));
+ bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value/a", "org.freedesktop.systemd.ValueTest", "NotifyTest2", &error, NULL, "");
+ assert_se(r >= 0);
+
+ r = sd_bus_process(bus, &reply);
+ assert_se(r > 0);
+
+ assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.Properties", "PropertiesChanged"));
+ bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "EmitInterfacesAdded", &error, NULL, "");
+ assert_se(r >= 0);
+
+ r = sd_bus_process(bus, &reply);
+ assert_se(r > 0);
+
+ assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.ObjectManager", "InterfacesAdded"));
+ bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "EmitInterfacesRemoved", &error, NULL, "");
+ assert_se(r >= 0);
+
+ r = sd_bus_process(bus, &reply);
+ assert_se(r > 0);
+
+ assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.ObjectManager", "InterfacesRemoved"));
+ bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "EmitObjectAdded", &error, NULL, "");
+ assert_se(r >= 0);
+
+ r = sd_bus_process(bus, &reply);
+ assert_se(r > 0);
+
+ assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.ObjectManager", "InterfacesAdded"));
+ bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "EmitObjectRemoved", &error, NULL, "");
+ assert_se(r >= 0);
+
+ r = sd_bus_process(bus, &reply);
+ assert_se(r > 0);
+
+ assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.ObjectManager", "InterfacesRemoved"));
+ bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
+
+ sd_bus_message_unref(reply);
+ reply = NULL;
+
+ r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Exit", &error, NULL, "");
+ assert_se(r >= 0);
+
+ sd_bus_flush(bus);
+
+ return 0;
+}
+
+int main(int argc, char *argv[]) {
+ struct context c = {};
+ pthread_t s;
+ void *p;
+ int r, q;
+
+ c.automatic_integer_property = 4711;
+ assert_se(c.automatic_string_property = strdup("dudeldu"));
+
+ assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, c.fds) >= 0);
+
+ r = pthread_create(&s, NULL, server, &c);
+ if (r != 0)
+ return -r;
+
+ r = client(&c);
+
+ q = pthread_join(s, &p);
+ if (q != 0)
+ return -q;
+
+ if (r < 0)
+ return r;
+
+ if (PTR_TO_INT(p) < 0)
+ return PTR_TO_INT(p);
+
+ free(c.something);
+ free(c.automatic_string_property);
+
+ return EXIT_SUCCESS;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 10:41:07 +0000