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hostnamed: split dbus initialization into a separate function

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This commit is contained in:
Lennart Poettering 2011-05-23 21:38:20 +02:00
parent 3df5bf6123
commit d0baa06fda
1 changed files with 44 additions and 23 deletions
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67
src/hostnamed.c
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@ -655,17 +655,55 @@ oom:
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
int main(int argc, char *argv[]) {
const DBusObjectPathVTable hostname_vtable = {
static int connect_bus(DBusConnection **_bus) {
static const DBusObjectPathVTable hostname_vtable = {
.message_function = hostname_message_handler
};
DBusConnection *bus = NULL;
DBusError error;
DBusConnection *bus = NULL;
int r;
assert(_bus);
dbus_error_init(&error);
bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
if (!bus) {
log_error("Failed to get system D-Bus connection: %s", error.message);
r = -ECONNREFUSED;
goto fail;
}
if (!dbus_connection_register_object_path(bus, "/org/freedesktop/hostname1", &hostname_vtable, NULL)) {
log_error("Not enough memory");
r = -ENOMEM;
goto fail;
}
if (dbus_bus_request_name(bus, "org.freedesktop.hostname1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) < 0) {
log_error("Failed to register name on bus: %s", error.message);
r = -EEXIST;
goto fail;
}
if (_bus)
*_bus = bus;
return 0;
fail:
dbus_connection_close(bus);
dbus_connection_unref(bus);
dbus_error_free(&error);
return r;
}
int main(int argc, char *argv[]) {
int r;
DBusConnection *bus = NULL;
log_set_target(LOG_TARGET_AUTO);
log_parse_environment();
log_open();
@ -687,24 +725,9 @@ int main(int argc, char *argv[]) {
goto finish;
}
bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
if (!bus) {
log_error("Failed to get system D-Bus connection: %s", error.message);
r = -ECONNREFUSED;
r = connect_bus(&bus);
if (r < 0)
goto finish;
}
if (!dbus_connection_register_object_path(bus, "/org/freedesktop/hostname1", &hostname_vtable, NULL)) {
log_error("Not enough memory");
r = -ENOMEM;
goto finish;
}
if (dbus_bus_request_name(bus, "org.freedesktop.hostname1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) < 0) {
log_error("Failed to register name on bus: %s", error.message);
r = -EEXIST;
goto finish;
}
while (dbus_connection_read_write_dispatch(bus, -1))
;
@ -720,7 +743,5 @@ finish:
dbus_connection_unref(bus);
}
dbus_error_free(&error);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}