bhvr_invoke_result behavior_impl::invoke(message& msg) {
  auto msg_token = msg.type_token();
  bhvr_invoke_result res;
  for (auto i = begin_; i != end_; ++i) {
    if ((i->has_wildcard || i->type_token == msg_token)
        && i->ptr->invoke(res, msg) != match_case::no_match) {
      return res;
    }
  }
  return none;
}
Esempio n. 2
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void basp_broker_state::deliver(const node_id& src_nid, actor_id src_aid,
                                strong_actor_ptr dest, message_id mid,
                                std::vector<strong_actor_ptr>& stages,
                                message& msg) {
  CAF_LOG_TRACE(CAF_ARG(src_nid) << CAF_ARG(src_aid) << CAF_ARG(dest)
                << CAF_ARG(msg) << CAF_ARG(mid));
  auto src = src_nid == this_node() ? system().registry().get(src_aid)
                                    : proxies().get_or_put(src_nid, src_aid);
  // Intercept link messages. Forwarding actor proxies signalize linking
  // by sending link_atom/unlink_atom message with src = dest.
  if (msg.type_token() == make_type_token<atom_value, strong_actor_ptr>()) {
    switch (static_cast<uint64_t>(msg.get_as<atom_value>(0))) {
      default:
        break;
      case link_atom::value.uint_value(): {
        if (src_nid != this_node()) {
          CAF_LOG_WARNING("received link message for an other node");
          return;
        }
        auto ptr = msg.get_as<strong_actor_ptr>(1);
        if (!ptr) {
          CAF_LOG_WARNING("received link message with invalid target");
          return;
        }
        if (!src) {
          CAF_LOG_DEBUG("received link for invalid actor, report error");
          anon_send(actor_cast<actor>(ptr),
                    make_error(sec::remote_linking_failed));
          return;
        }
        static_cast<actor_proxy*>(ptr->get())->local_link_to(src->get());
        return;
      }
      case unlink_atom::value.uint_value(): {
        if (src_nid != this_node()) {
          CAF_LOG_WARNING("received unlink message for an other node");
          return;
        }
        auto ptr = msg.get_as<strong_actor_ptr>(1);
        if (!ptr) {
          CAF_LOG_DEBUG("received unlink message with invalid target");
          return;
        }
        if (!src) {
          CAF_LOG_DEBUG("received unlink for invalid actor, report error");
          return;
        }
        static_cast<actor_proxy*>(ptr->get())->local_unlink_from(src->get());
        return;
      }
    }
  }
  if (!dest) {
    auto rsn = exit_reason::remote_link_unreachable;
    CAF_LOG_INFO("cannot deliver message, destination not found");
    self->parent().notify<hook::invalid_message_received>(src_nid, src,
                                                          invalid_actor_id,
                                                          mid, msg);
    if (mid.valid() && src) {
      detail::sync_request_bouncer srb{rsn};
      srb(src, mid);
    }
    return;
  }
  self->parent().notify<hook::message_received>(src_nid, src, dest, mid, msg);
  dest->enqueue(make_mailbox_element(std::move(src), mid, std::move(stages),
                                      std::move(msg)),
                nullptr);
}