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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include <seastar/core/sleep.hh>
#include "test/crimson/gtest_seastar.h"
#include "crimson/common/interruptible_future.h"
#include "crimson/common/log.h"
using namespace crimson;
class test_interruption : public std::exception
{};
class TestInterruptCondition {
public:
TestInterruptCondition(bool interrupt)
: interrupt(interrupt) {}
template <typename T>
std::optional<T> may_interrupt() {
if (interrupt) {
return seastar::futurize<T>::make_exception_future(test_interruption());
} else {
return std::optional<T>();
}
}
template <typename T>
static constexpr bool is_interruption_v = std::is_same_v<T, test_interruption>;
static bool is_interruption(std::exception_ptr& eptr) {
if (*eptr.__cxa_exception_type() == typeid(test_interruption))
return true;
return false;
}
private:
bool interrupt = false;
};
namespace crimson::interruptible {
template
thread_local interrupt_cond_t<TestInterruptCondition>
interrupt_cond<TestInterruptCondition>;
}
TEST_F(seastar_test_suite_t, basic)
{
using interruptor =
interruptible::interruptor<TestInterruptCondition>;
run_async([] {
interruptor::with_interruption(
[] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return interruptor::make_interruptible(seastar::now())
.then_interruptible([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
}).then_interruptible([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return errorator<ct_error::enoent>::make_ready_future<>();
}).safe_then_interruptible([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return seastar::now();
}, errorator<ct_error::enoent>::all_same_way([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
})
);
}, [](std::exception_ptr) {}, false).get0();
interruptor::with_interruption(
[] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return interruptor::make_interruptible(seastar::now())
.then_interruptible([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
});
}, [](std::exception_ptr) {
ceph_assert(!interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return seastar::now();
}, true).get0();
});
}
TEST_F(seastar_test_suite_t, loops)
{
using interruptor =
interruptible::interruptor<TestInterruptCondition>;
std::cout << "testing interruptible loops" << std::endl;
run_async([] {
std::cout << "beginning" << std::endl;
interruptor::with_interruption(
[] {
std::cout << "interruptiion enabled" << std::endl;
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return interruptor::make_interruptible(seastar::now())
.then_interruptible([] {
std::cout << "test seastar future do_for_each" << std::endl;
std::vector<int> vec = {1, 2};
return seastar::do_with(std::move(vec), [](auto& vec) {
return interruptor::do_for_each(std::begin(vec), std::end(vec), [](int) {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return seastar::now();
});
});
}).then_interruptible([] {
std::cout << "test interruptible seastar future do_for_each" << std::endl;
std::vector<int> vec = {1, 2};
return seastar::do_with(std::move(vec), [](auto& vec) {
return interruptor::do_for_each(std::begin(vec), std::end(vec), [](int) {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return interruptor::make_interruptible(seastar::now());
});
});
}).then_interruptible([] {
std::cout << "test seastar future repeat" << std::endl;
return interruptor::repeat([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return interruptor::make_interruptible(
seastar::make_ready_future<
seastar::stop_iteration>(
seastar::stop_iteration::yes));
});
}).then_interruptible([] {
std::cout << "test interruptible seastar future repeat" << std::endl;
return interruptor::repeat([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return seastar::make_ready_future<
seastar::stop_iteration>(
seastar::stop_iteration::yes);
});
}).then_interruptible([] {
std::cout << "test interruptible errorated future do_for_each" << std::endl;
std::vector<int> vec = {1, 2};
return seastar::do_with(std::move(vec), [](auto& vec) {
using namespace std::chrono_literals;
return interruptor::make_interruptible(seastar::now()).then_interruptible([&vec] {
return interruptor::do_for_each(std::begin(vec), std::end(vec), [](int) {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return interruptor::make_interruptible(
errorator<ct_error::enoent>::make_ready_future<>());
}).safe_then_interruptible([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return seastar::now();
}, errorator<ct_error::enoent>::all_same_way([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
}));
});
});
}).then_interruptible([] {
std::cout << "test errorated future do_for_each" << std::endl;
std::vector<int> vec;
// set a big enough iteration times to test if there is stack overflow in do_for_each
for (int i = 0; i < 1000000; i++) {
vec.push_back(i);
}
return seastar::do_with(std::move(vec), [](auto& vec) {
using namespace std::chrono_literals;
return interruptor::make_interruptible(seastar::now()).then_interruptible([&vec] {
return interruptor::do_for_each(std::begin(vec), std::end(vec), [](int) {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return errorator<ct_error::enoent>::make_ready_future<>();
}).safe_then_interruptible([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return seastar::now();
}, errorator<ct_error::enoent>::all_same_way([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
}));
});
});
}).then_interruptible([] {
ceph_assert(interruptible::interrupt_cond<TestInterruptCondition>.interrupt_cond);
return seastar::now();
});
}, [](std::exception_ptr) {}, false).get0();
});
}
using base_intr = interruptible::interruptor<TestInterruptCondition>;
using base_ertr = errorator<ct_error::enoent, ct_error::eagain>;
using base_iertr = interruptible::interruptible_errorator<
TestInterruptCondition,
base_ertr>;
using base2_ertr = base_ertr::extend<ct_error::input_output_error>;
using base2_iertr = interruptible::interruptible_errorator<
TestInterruptCondition,
base2_ertr>;
template <typename F>
auto with_intr(F &&f) {
return base_intr::with_interruption_to_error<ct_error::eagain>(
std::forward<F>(f),
TestInterruptCondition(false));
}
TEST_F(seastar_test_suite_t, errorated)
{
run_async([] {
base_ertr::future<> ret = with_intr(
[]() {
return base_iertr::now();
}
);
ret.unsafe_get0();
});
}
TEST_F(seastar_test_suite_t, errorated_value)
{
run_async([] {
base_ertr::future<int> ret = with_intr(
[]() {
return base_iertr::make_ready_future<int>(
1
);
});
EXPECT_EQ(ret.unsafe_get0(), 1);
});
}
TEST_F(seastar_test_suite_t, expand_errorated_value)
{
run_async([] {
base2_ertr::future<> ret = with_intr(
[]() {
return base_iertr::make_ready_future<int>(
1
).si_then([](auto) {
return base2_iertr::make_ready_future<>();
});
});
ret.unsafe_get0();
});
}
TEST_F(seastar_test_suite_t, interruptible_async)
{
using interruptor =
interruptible::interruptor<TestInterruptCondition>;
run_async([] {
interruptor::with_interruption([] {
auto fut = interruptor::async([] {
interruptor::make_interruptible(
seastar::sleep(std::chrono::milliseconds(10))).get();
ceph_assert(interruptible::interrupt_cond<
TestInterruptCondition>.interrupt_cond);
ceph_assert(interruptible::interrupt_cond<
TestInterruptCondition>.ref_count == 1);
});
ceph_assert(interruptible::interrupt_cond<
TestInterruptCondition>.interrupt_cond);
ceph_assert(interruptible::interrupt_cond<
TestInterruptCondition>.ref_count == 1);
return fut;
}, [](std::exception_ptr) {}, false).get0();
});
}
TEST_F(seastar_test_suite_t, DISABLED_nested_interruptors)
{
run_async([] {
base_ertr::future<> ret = with_intr(
[]() {
return base_iertr::now().safe_then_interruptible([]() {
return with_intr(
[]() {
return base_iertr::now();
}
);
});
}
);
ret.unsafe_get0();
});
}
#if 0
// This seems to cause a hang in the gcc-9 linker on bionic
TEST_F(seastar_test_suite_t, handle_error)
{
run_async([] {
base_ertr::future<> ret = with_intr(
[]() {
return base2_iertr::make_ready_future<int>(
1
).handle_error_interruptible(
base_iertr::pass_further{},
ct_error::assert_all{"crash on eio"}
).si_then([](auto) {
return base_iertr::now();
});
});
ret.unsafe_get0();
});
}
#endif
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