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// 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.remote_spawn
#include "caf/config.hpp"
#include "io-test.hpp"
#include <cstring>
#include <functional>
#include <iostream>
#include <sstream>
#include <string>
#include <thread>
#include "caf/all.hpp"
#include "caf/io/all.hpp"
using namespace caf;
namespace {
// function-based, dynamically typed, event-based API
behavior calculator_fun(event_based_actor*) {
return {
[](add_atom, int a, int b) { return a + b; },
[](sub_atom, int a, int b) { return a - b; },
};
}
class calculator_class : public event_based_actor {
public:
calculator_class(actor_config& cfg) : event_based_actor(cfg) {
// nop
}
behavior make_behavior() override {
return {
[](add_atom, int a, int b) { return a + b; },
[](sub_atom, int a, int b) { return a - b; },
};
}
};
// function-based, statically typed, event-based API
calculator::behavior_type typed_calculator_fun() {
return {
[](add_atom, int a, int b) { return a + b; },
[](sub_atom, int a, int b) { return a - b; },
};
}
struct config : actor_system_config {
config() {
load<io::middleman>();
add_actor_type<calculator_class>("calculator-class");
add_actor_type("calculator", calculator_fun);
add_actor_type("typed_calculator", typed_calculator_fun);
}
};
struct fixture : point_to_point_fixture<test_coordinator_fixture<config>> {
fixture() {
prepare_connection(mars, earth, "mars", 8080);
}
};
} // namespace
BEGIN_FIXTURE_SCOPE(fixture)
CAF_TEST(nodes can spawn actors remotely) {
loop_after_next_enqueue(mars);
CHECK_EQ(unbox(mars.mm.open(8080)), 8080);
loop_after_next_enqueue(earth);
auto nid = unbox(earth.mm.connect("mars", 8080));
CAF_REQUIRE_EQUAL(nid, mars.sys.node());
MESSAGE("remote_spawn perform type checks on the handle");
loop_after_next_enqueue(earth);
auto calc = earth.mm.remote_spawn<calculator>(nid, "calculator",
make_message());
CAF_REQUIRE_EQUAL(calc, sec::unexpected_actor_messaging_interface);
loop_after_next_enqueue(earth);
calc = earth.mm.remote_spawn<calculator>(nid, "typed_calculator",
make_message());
MESSAGE("remotely spawned actors respond to messages");
earth.self->send(*calc, add_atom_v, 10, 20);
run();
expect_on(earth, (int), from(*calc).to(earth.self).with(30));
earth.self->send(*calc, sub_atom_v, 10, 20);
run();
expect_on(earth, (int), from(*calc).to(earth.self).with(-10));
anon_send_exit(*calc, exit_reason::user_shutdown);
MESSAGE("remote_spawn works with class-based actors as well");
loop_after_next_enqueue(earth);
auto dyn_calc = earth.mm.remote_spawn<actor>(nid, "calculator-class",
make_message());
CAF_REQUIRE(dyn_calc);
earth.self->send(*dyn_calc, add_atom_v, 10, 20);
run();
expect_on(earth, (int), from(*dyn_calc).to(earth.self).with(30));
anon_send_exit(*dyn_calc, exit_reason::user_shutdown);
}
END_FIXTURE_SCOPE()
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