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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2020, Intel Corporation */
#include "unittest.hpp"
#include <libpmemobj++/defrag.hpp>
#include <libpmemobj++/detail/common.hpp>
#include <libpmemobj++/make_persistent.hpp>
#include <libpmemobj++/persistent_ptr.hpp>
#include <libpmemobj++/pexceptions.hpp>
#include <libpmemobj++/pool.hpp>
#include <libpmemobj++/transaction.hpp>
#include <libpmemobj/atomic_base.h>
namespace nvobj = pmem::obj;
namespace
{
struct root {
nvobj::persistent_ptr<int> i;
nvobj::persistent_ptr<char> c;
nvobj::persistent_ptr<double> d;
};
void
test_basic(nvobj::pool<root> &pop)
{
nvobj::transaction::run(pop, [&] {
pop.root()->i = nvobj::make_persistent<int>(5);
pop.root()->c = nvobj::make_persistent<char>('a');
pop.root()->d = nvobj::make_persistent<double>(10);
});
UT_ASSERT(!nvobj::is_defragmentable<nvobj::persistent_ptr<double>>());
nvobj::defrag my_defrag(pop);
my_defrag.add(pop.root()->i);
my_defrag.add(pop.root()->c);
my_defrag.add(pop.root()->d);
pobj_defrag_result res;
try {
res = my_defrag.run();
} catch (pmem::defrag_error &) {
UT_ASSERT(0);
}
UT_ASSERTeq(res.total, 3);
}
/*
* Non-defragmentable types added for the defragmentation
* should not increase the total number of objects.
*/
void
test_add_empty(nvobj::pool<root> &pop)
{
nvobj::persistent_ptr<double> d;
nvobj::transaction::run(pop, [&] {
pop.root()->i = nvobj::make_persistent<int>(5);
pop.root()->c = nvobj::make_persistent<char>('a');
d = nvobj::make_persistent<double>(10);
});
UT_ASSERT(!nvobj::is_defragmentable<nvobj::persistent_ptr<double>>());
UT_ASSERT(!nvobj::is_defragmentable<double>());
nvobj::defrag my_defrag(pop);
my_defrag.add(*pop.root()->i);
my_defrag.add(*pop.root()->c);
my_defrag.add(*d);
pobj_defrag_result res;
try {
res = my_defrag.run();
} catch (pmem::defrag_error &) {
UT_ASSERT(0);
}
UT_ASSERTeq(res.total, 0);
nvobj::transaction::run(pop,
[&] { nvobj::delete_persistent<double>(d); });
}
/*
* When trying to add any object from outside of the selected pool,
* the 'std::runtime_error' exception should be thrown.
*/
void
test_try_add_wrong_pointer(nvobj::pool<root> &pop, std::string path)
{
nvobj::persistent_ptr<double> d;
nvobj::pool<root> pop_test;
try {
pop_test = nvobj::pool<struct root>::create(
path, "layout", PMEMOBJ_MIN_POOL, S_IWUSR | S_IRUSR);
} catch (pmem::pool_error &pe) {
UT_FATAL("!pool::create: %s %s", pe.what(), path.c_str());
}
nvobj::transaction::run(pop_test, [&] {
pop_test.root()->i = nvobj::make_persistent<int>(1);
d = nvobj::make_persistent<double>(10);
});
nvobj::defrag my_defrag(pop);
try {
my_defrag.add(pop_test.root()->i);
UT_ASSERT(0);
} catch (std::runtime_error &e) {
UT_ASSERT(e.what() != std::string());
} catch (...) {
UT_ASSERT(0);
}
try {
my_defrag.add(d);
UT_ASSERT(0);
} catch (std::runtime_error &e) {
UT_ASSERT(e.what() != std::string());
} catch (...) {
UT_ASSERT(0);
}
try {
my_defrag.add(*d);
UT_ASSERT(0);
} catch (std::runtime_error &e) {
UT_ASSERT(e.what() != std::string());
} catch (...) {
UT_ASSERT(0);
}
pobj_defrag_result res;
try {
res = my_defrag.run();
} catch (pmem::defrag_error &) {
UT_ASSERT(0);
}
UT_ASSERTeq(res.total, 0);
nvobj::transaction::run(pop_test,
[&] { nvobj::delete_persistent<double>(d); });
pop_test.close();
}
}
static void
test(int argc, char *argv[])
{
if (argc != 2)
UT_FATAL("usage: %s file-name", argv[0]);
const char *path = argv[1];
nvobj::pool<root> pop;
try {
pop = nvobj::pool<struct root>::create(
path, "layout", PMEMOBJ_MIN_POOL, S_IWUSR | S_IRUSR);
} catch (pmem::pool_error &pe) {
UT_FATAL("!pool::create: %s %s", pe.what(), path);
}
test_basic(pop);
test_add_empty(pop);
test_try_add_wrong_pointer(pop, std::string(path) + "_tmp");
pop.close();
}
int
main(int argc, char *argv[])
{
return run_test([&] { test(argc, argv); });
}
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