zeek/auxil/broker/caf/libcaf_io/test/io/unpublish.cpp
Patrick Kelley 8fd444092b initial
2025-05-07 15:35:15 -04:00

97 lines
2.4 KiB
C++

// This file is part of CAF, the C++ Actor Framework. See the file LICENSE in
// the main distribution directory for license terms and copyright or visit
// https://github.com/actor-framework/actor-framework/blob/master/LICENSE.
#define CAF_SUITE io.unpublish
#include "caf/config.hpp"
#include "caf/test/io_dsl.hpp"
#include <atomic>
#include <memory>
#include <new>
#include <thread>
#include "caf/all.hpp"
#include "caf/io/all.hpp"
using namespace caf;
namespace {
struct suite_state {
long dtors_called = 0;
suite_state() = default;
};
using suite_state_ptr = std::shared_ptr<suite_state>;
class dummy : public event_based_actor {
public:
dummy(actor_config& cfg, suite_state_ptr ssp)
: event_based_actor(cfg), ssp_(std::move(ssp)) {
// nop
}
~dummy() override {
ssp_->dtors_called += 1;
}
behavior make_behavior() override {
return {[] {
// nop
}};
}
private:
suite_state_ptr ssp_;
};
struct fixture : point_to_point_fixture<> {
fixture() {
prepare_connection(mars, earth, "mars", 8080);
ssp = std::make_shared<suite_state>();
}
~fixture() {
run();
CAF_CHECK_EQUAL(ssp->dtors_called, 2);
}
suite_state_ptr ssp;
};
} // namespace
CAF_TEST_FIXTURE_SCOPE(unpublish_tests, fixture)
CAF_TEST(actors can become unpublished) {
auto testee = mars.sys.spawn<dummy>(ssp);
auto guard = detail::make_scope_guard([&] {
// The MM holds a reference to this actor publishing it, so we need to kill
// it manually.
anon_send_exit(testee, exit_reason::user_shutdown);
});
loop_after_next_enqueue(mars);
auto port = unbox(mars.mm.publish(testee, 8080));
CAF_REQUIRE_EQUAL(port, 8080);
CAF_MESSAGE("the middleman ignores invalid unpublish() calls");
auto testee2 = mars.sys.spawn<dummy>(ssp);
loop_after_next_enqueue(mars);
auto res = mars.mm.unpublish(testee2, 8080);
CAF_CHECK(!res && res.error() == sec::no_actor_published_at_port);
anon_send_exit(testee2, exit_reason::user_shutdown);
CAF_MESSAGE("after unpublishing an actor, remotes can no longer connect");
loop_after_next_enqueue(mars);
CAF_CHECK(mars.mm.unpublish(testee, 8080));
// TODO: ideally, we'd check that remote actors in fact can no longer connect.
// However, the test multiplexer does not support "closing" connections
// and the remote_actor blocks forever.
// run();
// loop_after_next_enqueue(earth);
// CAF_CHECK(!earth.mm.remote_actor("mars", 8080));
}
CAF_TEST_FIXTURE_SCOPE_END()