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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2018-2020, Intel Corporation */
/*
* concurrent_hash_map.cpp -- pmem::obj::concurrent_hash_map test
*
*/
#include "unittest.hpp"
#include <libpmemobj++/make_persistent.hpp>
#include <libpmemobj++/transaction.hpp>
#include <libpmemobj++/p.hpp>
#include <libpmemobj++/persistent_ptr.hpp>
#include <libpmemobj++/pool.hpp>
namespace nvobj = pmem::obj;
static constexpr std::size_t HASHMAP_SIZE = 1312;
static constexpr std::size_t BUCKET_SIZE = 80;
static constexpr std::size_t CACHELINE_SIZE = 64;
/*
* Test is implemented in inherited class to get access to protected variables.
*/
template <typename MapType, std::size_t ValueSize>
struct hashmap_test : public MapType {
static constexpr std::size_t NODE_SIZE = 72 + ValueSize;
using persistent_map_type = MapType;
using hash_map_base = typename MapType::hash_map_base;
template <typename T>
static void
check_layout_hashmap_base(T &t)
{
ASSERT_ALIGNED_BEGIN(T, t);
ASSERT_ALIGNED_FIELD(T, t, my_pool_uuid);
ASSERT_ALIGNED_FIELD(T, t, layout_features);
ASSERT_ALIGNED_FIELD(T, t, my_mask_reserved);
ASSERT_ALIGNED_FIELD(T, t, my_mask);
ASSERT_ALIGNED_FIELD(T, t, value_size);
ASSERT_ALIGNED_FIELD(T, t, padding1);
ASSERT_OFFSET_CHECKPOINT(T, CACHELINE_SIZE);
ASSERT_ALIGNED_FIELD(T, t, my_table);
ASSERT_ALIGNED_FIELD(T, t, my_size);
ASSERT_ALIGNED_FIELD(T, t, padding2);
ASSERT_OFFSET_CHECKPOINT(T, 16 * CACHELINE_SIZE);
ASSERT_ALIGNED_FIELD(T, t, tls_ptr);
ASSERT_ALIGNED_FIELD(T, t, on_init_size);
ASSERT_ALIGNED_FIELD(T, t, reserved);
ASSERT_OFFSET_CHECKPOINT(T, 17 * CACHELINE_SIZE);
ASSERT_ALIGNED_FIELD(T, t, my_segment_enable_mutex);
ASSERT_OFFSET_CHECKPOINT(T, 18 * CACHELINE_SIZE);
ASSERT_ALIGNED_FIELD(T, t, my_embedded_segment);
ASSERT_ALIGNED_CHECK(T);
static_assert(sizeof(T) == HASHMAP_SIZE, "");
static_assert(std::is_standard_layout<T>::value, "");
}
static void
check_layout(nvobj::pool_base &pop)
{
pmem::obj::persistent_ptr<hashmap_test> map;
pmem::obj::persistent_ptr<hash_map_base> map_base;
pmem::obj::persistent_ptr<typename hashmap_test::bucket> bucket;
pmem::obj::persistent_ptr<typename hashmap_test::node> node;
pmem::obj::transaction::run(pop, [&] {
map = nvobj::make_persistent<hashmap_test>();
bucket = nvobj::make_persistent<typename hashmap_test::bucket>();
node = nvobj::make_persistent<typename hashmap_test::node>(
nullptr);
});
/* hash_map_base and peristent_map_type should be the same */
check_layout_hashmap_base(*map_base);
check_layout_hashmap_base(*map);
static_assert(std::is_standard_layout<
typename persistent_map_type::bucket>::value,
"");
ASSERT_ALIGNED_BEGIN(typename persistent_map_type::bucket, *bucket);
ASSERT_ALIGNED_FIELD(typename persistent_map_type::bucket, *bucket,
mutex);
ASSERT_ALIGNED_FIELD(typename persistent_map_type::bucket, *bucket,
rehashed);
ASSERT_ALIGNED_FIELD(typename persistent_map_type::bucket, *bucket,
node_list);
ASSERT_ALIGNED_CHECK(typename persistent_map_type::bucket);
static_assert(
sizeof(typename persistent_map_type::bucket) == BUCKET_SIZE, "");
static_assert(std::is_standard_layout<typename persistent_map_type::node>::value,
"");
ASSERT_ALIGNED_BEGIN(typename persistent_map_type::node, *node);
ASSERT_ALIGNED_FIELD(typename persistent_map_type::node, *node, next);
ASSERT_ALIGNED_FIELD(typename persistent_map_type::node,*node , mutex);
ASSERT_ALIGNED_FIELD(typename persistent_map_type::node,*node ,item);
ASSERT_ALIGNED_CHECK(typename persistent_map_type::node);
static_assert(sizeof(typename persistent_map_type::node) == NODE_SIZE,
"");
pmem::obj::transaction::run(pop, [&] {
nvobj::delete_persistent<hashmap_test>(map);
nvobj::delete_persistent<typename hashmap_test::bucket>(bucket);
nvobj::delete_persistent<typename hashmap_test::node>(node);
});
}
static void
check_layout_different_version(nvobj::pool_base &pop)
{
pmem::obj::persistent_ptr<hashmap_test> map;
pmem::obj::transaction::run(pop, [&] {
map = nvobj::make_persistent<hashmap_test>();
});
map->layout_features.incompat = static_cast<uint32_t>(-1);
try {
map->runtime_initialize();
UT_ASSERT(0);
} catch (pmem::layout_error &) {
} catch (...) {
UT_ASSERT(0);
}
try {
map->runtime_initialize();
UT_ASSERT(0);
} catch (pmem::layout_error &) {
} catch (...) {
UT_ASSERT(0);
}
pmem::obj::transaction::run(pop, [&] {
nvobj::delete_persistent<hashmap_test>(map);
});
}
};
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