Method callMethod

src/Connection.cpp:668–688

}

sd_bus_message* Connection::callMethod(sd_bus_message* sdbusMsg, uint64_t timeout)
{
    sd_bus_error sdbusError = SD_BUS_ERROR_NULL;
    SCOPE_EXIT{ sd_bus_error_free(&sdbusError); };

    // This call will block the bus connection from serving other messages
    // until the reply arrives or the call times out.
    sd_bus_message* sdbusReply{};
    auto r = sdbus_->sd_bus_call(nullptr, sdbusMsg, timeout, &sdbusError, &sdbusReply);

    if (sd_bus_error_is_set(&sdbusError) != 0)
        throw Error(Error::Name{sdbusError.name}, sdbusError.message);

    SDBUS_THROW_ERROR_IF(r < 0, "Failed to call method", -r);

    // Wake up event loop to process messages that may have arrived in the meantime,
    // or to dispatch the outbound message that hasn't yet been fully sent out.
    wakeUpEventLoopIfMessagesInQueue();

    return sdbusReply;
}

Slot Connection::callMethodAsync(sd_bus_message* sdbusMsg, sd_bus_message_handler_t callback, void* userData, uint64_t timeout, return_slot_t)
{