mirror of
https://github.com/facebook/rocksdb.git
synced 2024-11-30 04:41:49 +00:00
72502cf227
Summary:
This reverts the previous commit 1d7048c598, which broke the build.
Did a `git revert 1d7048c`.
Closes https://github.com/facebook/rocksdb/pull/2627
Differential Revision: D5476473
Pulled By: sagar0
fbshipit-source-id: 4756ff5c0dfc88c17eceb00e02c36176de728d06
507 lines
17 KiB
C++
507 lines
17 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
//
|
|
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file. See the AUTHORS file for names of contributors.
|
|
|
|
// Introduction of SyncPoint effectively disabled building and running this test
|
|
// in Release build.
|
|
// which is a pity, it is a good test
|
|
#if !defined(ROCKSDB_LITE)
|
|
|
|
#include "db/db_test_util.h"
|
|
#include "port/port.h"
|
|
#include "port/stack_trace.h"
|
|
|
|
namespace rocksdb {
|
|
class DBTestDynamicLevel : public DBTestBase {
|
|
public:
|
|
DBTestDynamicLevel() : DBTestBase("/db_dynamic_level_test") {}
|
|
};
|
|
|
|
TEST_F(DBTestDynamicLevel, DynamicLevelMaxBytesBase) {
|
|
if (!Snappy_Supported() || !LZ4_Supported()) {
|
|
return;
|
|
}
|
|
// Use InMemoryEnv, or it would be too slow.
|
|
unique_ptr<Env> env(new MockEnv(env_));
|
|
|
|
const int kNKeys = 1000;
|
|
int keys[kNKeys];
|
|
|
|
auto verify_func = [&]() {
|
|
for (int i = 0; i < kNKeys; i++) {
|
|
ASSERT_NE("NOT_FOUND", Get(Key(i)));
|
|
ASSERT_NE("NOT_FOUND", Get(Key(kNKeys * 2 + i)));
|
|
if (i < kNKeys / 10) {
|
|
ASSERT_EQ("NOT_FOUND", Get(Key(kNKeys + keys[i])));
|
|
} else {
|
|
ASSERT_NE("NOT_FOUND", Get(Key(kNKeys + keys[i])));
|
|
}
|
|
}
|
|
};
|
|
|
|
Random rnd(301);
|
|
for (int ordered_insert = 0; ordered_insert <= 1; ordered_insert++) {
|
|
for (int i = 0; i < kNKeys; i++) {
|
|
keys[i] = i;
|
|
}
|
|
if (ordered_insert == 0) {
|
|
std::random_shuffle(std::begin(keys), std::end(keys));
|
|
}
|
|
for (int max_background_compactions = 1; max_background_compactions < 4;
|
|
max_background_compactions += 2) {
|
|
Options options;
|
|
options.env = env.get();
|
|
options.create_if_missing = true;
|
|
options.write_buffer_size = 2048;
|
|
options.max_write_buffer_number = 2;
|
|
options.level0_file_num_compaction_trigger = 2;
|
|
options.level0_slowdown_writes_trigger = 2;
|
|
options.level0_stop_writes_trigger = 2;
|
|
options.target_file_size_base = 2048;
|
|
options.level_compaction_dynamic_level_bytes = true;
|
|
options.max_bytes_for_level_base = 10240;
|
|
options.max_bytes_for_level_multiplier = 4;
|
|
options.soft_rate_limit = 1.1;
|
|
options.max_background_compactions = max_background_compactions;
|
|
options.num_levels = 5;
|
|
|
|
options.compression_per_level.resize(3);
|
|
options.compression_per_level[0] = kNoCompression;
|
|
options.compression_per_level[1] = kLZ4Compression;
|
|
options.compression_per_level[2] = kSnappyCompression;
|
|
options.env = env_;
|
|
|
|
DestroyAndReopen(options);
|
|
|
|
for (int i = 0; i < kNKeys; i++) {
|
|
int key = keys[i];
|
|
ASSERT_OK(Put(Key(kNKeys + key), RandomString(&rnd, 102)));
|
|
ASSERT_OK(Put(Key(key), RandomString(&rnd, 102)));
|
|
ASSERT_OK(Put(Key(kNKeys * 2 + key), RandomString(&rnd, 102)));
|
|
ASSERT_OK(Delete(Key(kNKeys + keys[i / 10])));
|
|
env_->SleepForMicroseconds(5000);
|
|
}
|
|
|
|
uint64_t int_prop;
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.background-errors", &int_prop));
|
|
ASSERT_EQ(0U, int_prop);
|
|
|
|
// Verify DB
|
|
for (int j = 0; j < 2; j++) {
|
|
verify_func();
|
|
if (j == 0) {
|
|
Reopen(options);
|
|
}
|
|
}
|
|
|
|
// Test compact range works
|
|
dbfull()->CompactRange(CompactRangeOptions(), nullptr, nullptr);
|
|
// All data should be in the last level.
|
|
ColumnFamilyMetaData cf_meta;
|
|
db_->GetColumnFamilyMetaData(&cf_meta);
|
|
ASSERT_EQ(5U, cf_meta.levels.size());
|
|
for (int i = 0; i < 4; i++) {
|
|
ASSERT_EQ(0U, cf_meta.levels[i].files.size());
|
|
}
|
|
ASSERT_GT(cf_meta.levels[4U].files.size(), 0U);
|
|
verify_func();
|
|
|
|
Close();
|
|
}
|
|
}
|
|
|
|
env_->SetBackgroundThreads(1, Env::LOW);
|
|
env_->SetBackgroundThreads(1, Env::HIGH);
|
|
}
|
|
|
|
// Test specific cases in dynamic max bytes
|
|
TEST_F(DBTestDynamicLevel, DynamicLevelMaxBytesBase2) {
|
|
Random rnd(301);
|
|
int kMaxKey = 1000000;
|
|
|
|
Options options = CurrentOptions();
|
|
options.create_if_missing = true;
|
|
options.write_buffer_size = 20480;
|
|
options.max_write_buffer_number = 2;
|
|
options.level0_file_num_compaction_trigger = 2;
|
|
options.level0_slowdown_writes_trigger = 9999;
|
|
options.level0_stop_writes_trigger = 9999;
|
|
options.target_file_size_base = 9102;
|
|
options.level_compaction_dynamic_level_bytes = true;
|
|
options.max_bytes_for_level_base = 40960;
|
|
options.max_bytes_for_level_multiplier = 4;
|
|
options.max_background_compactions = 2;
|
|
options.num_levels = 5;
|
|
options.max_compaction_bytes = 0; // Force not expanding in compactions
|
|
BlockBasedTableOptions table_options;
|
|
table_options.block_size = 1024;
|
|
options.table_factory.reset(NewBlockBasedTableFactory(table_options));
|
|
|
|
DestroyAndReopen(options);
|
|
ASSERT_OK(dbfull()->SetOptions({
|
|
{"disable_auto_compactions", "true"},
|
|
}));
|
|
|
|
uint64_t int_prop;
|
|
std::string str_prop;
|
|
|
|
// Initial base level is the last level
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
|
|
ASSERT_EQ(4U, int_prop);
|
|
|
|
// Put about 28K to L0
|
|
for (int i = 0; i < 70; i++) {
|
|
ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
|
|
RandomString(&rnd, 380)));
|
|
}
|
|
ASSERT_OK(dbfull()->SetOptions({
|
|
{"disable_auto_compactions", "false"},
|
|
}));
|
|
Flush();
|
|
dbfull()->TEST_WaitForCompact();
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
|
|
ASSERT_EQ(4U, int_prop);
|
|
|
|
// Insert extra about 28K to L0. After they are compacted to L4, base level
|
|
// should be changed to L3.
|
|
ASSERT_OK(dbfull()->SetOptions({
|
|
{"disable_auto_compactions", "true"},
|
|
}));
|
|
for (int i = 0; i < 70; i++) {
|
|
ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
|
|
RandomString(&rnd, 380)));
|
|
}
|
|
|
|
ASSERT_OK(dbfull()->SetOptions({
|
|
{"disable_auto_compactions", "false"},
|
|
}));
|
|
Flush();
|
|
dbfull()->TEST_WaitForCompact();
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
|
|
ASSERT_EQ(3U, int_prop);
|
|
ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level1", &str_prop));
|
|
ASSERT_EQ("0", str_prop);
|
|
ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level2", &str_prop));
|
|
ASSERT_EQ("0", str_prop);
|
|
|
|
// Trigger parallel compaction, and the first one would change the base
|
|
// level.
|
|
// Hold compaction jobs to make sure
|
|
rocksdb::SyncPoint::GetInstance()->SetCallBack(
|
|
"CompactionJob::Run():Start",
|
|
[&](void* arg) { env_->SleepForMicroseconds(100000); });
|
|
rocksdb::SyncPoint::GetInstance()->EnableProcessing();
|
|
ASSERT_OK(dbfull()->SetOptions({
|
|
{"disable_auto_compactions", "true"},
|
|
}));
|
|
// Write about 40K more
|
|
for (int i = 0; i < 100; i++) {
|
|
ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
|
|
RandomString(&rnd, 380)));
|
|
}
|
|
ASSERT_OK(dbfull()->SetOptions({
|
|
{"disable_auto_compactions", "false"},
|
|
}));
|
|
Flush();
|
|
// Wait for 200 milliseconds before proceeding compactions to make sure two
|
|
// parallel ones are executed.
|
|
env_->SleepForMicroseconds(200000);
|
|
dbfull()->TEST_WaitForCompact();
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
|
|
ASSERT_EQ(3U, int_prop);
|
|
rocksdb::SyncPoint::GetInstance()->DisableProcessing();
|
|
|
|
// Trigger a condition that the compaction changes base level and L0->Lbase
|
|
// happens at the same time.
|
|
// We try to make last levels' targets to be 40K, 160K, 640K, add triggers
|
|
// another compaction from 40K->160K.
|
|
ASSERT_OK(dbfull()->SetOptions({
|
|
{"disable_auto_compactions", "true"},
|
|
}));
|
|
// Write about 650K more.
|
|
// Each file is about 11KB, with 9KB of data.
|
|
for (int i = 0; i < 1300; i++) {
|
|
ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
|
|
RandomString(&rnd, 380)));
|
|
}
|
|
ASSERT_OK(dbfull()->SetOptions({
|
|
{"disable_auto_compactions", "false"},
|
|
}));
|
|
Flush();
|
|
dbfull()->TEST_WaitForCompact();
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
|
|
ASSERT_EQ(2U, int_prop);
|
|
|
|
// A manual compaction will trigger the base level to become L2
|
|
// Keep Writing data until base level changed 2->1. There will be L0->L2
|
|
// compaction going on at the same time.
|
|
rocksdb::SyncPoint::GetInstance()->DisableProcessing();
|
|
rocksdb::SyncPoint::GetInstance()->ClearAllCallBacks();
|
|
|
|
rocksdb::SyncPoint::GetInstance()->LoadDependency({
|
|
{"CompactionJob::Run():Start", "DynamicLevelMaxBytesBase2:0"},
|
|
{"DynamicLevelMaxBytesBase2:1", "CompactionJob::Run():End"},
|
|
{"DynamicLevelMaxBytesBase2:compact_range_finish",
|
|
"FlushJob::WriteLevel0Table"},
|
|
});
|
|
rocksdb::SyncPoint::GetInstance()->EnableProcessing();
|
|
|
|
rocksdb::port::Thread thread([this] {
|
|
TEST_SYNC_POINT("DynamicLevelMaxBytesBase2:compact_range_start");
|
|
ASSERT_OK(db_->CompactRange(CompactRangeOptions(), nullptr, nullptr));
|
|
TEST_SYNC_POINT("DynamicLevelMaxBytesBase2:compact_range_finish");
|
|
});
|
|
|
|
TEST_SYNC_POINT("DynamicLevelMaxBytesBase2:0");
|
|
for (int i = 0; i < 2; i++) {
|
|
ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
|
|
RandomString(&rnd, 380)));
|
|
}
|
|
TEST_SYNC_POINT("DynamicLevelMaxBytesBase2:1");
|
|
|
|
Flush();
|
|
|
|
thread.join();
|
|
|
|
rocksdb::SyncPoint::GetInstance()->DisableProcessing();
|
|
rocksdb::SyncPoint::GetInstance()->ClearAllCallBacks();
|
|
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
|
|
ASSERT_EQ(1U, int_prop);
|
|
}
|
|
|
|
// Test specific cases in dynamic max bytes
|
|
TEST_F(DBTestDynamicLevel, DynamicLevelMaxBytesCompactRange) {
|
|
Random rnd(301);
|
|
int kMaxKey = 1000000;
|
|
|
|
Options options = CurrentOptions();
|
|
options.create_if_missing = true;
|
|
options.write_buffer_size = 2048;
|
|
options.max_write_buffer_number = 2;
|
|
options.level0_file_num_compaction_trigger = 2;
|
|
options.level0_slowdown_writes_trigger = 9999;
|
|
options.level0_stop_writes_trigger = 9999;
|
|
options.target_file_size_base = 2;
|
|
options.level_compaction_dynamic_level_bytes = true;
|
|
options.max_bytes_for_level_base = 10240;
|
|
options.max_bytes_for_level_multiplier = 4;
|
|
options.max_background_compactions = 1;
|
|
const int kNumLevels = 5;
|
|
options.num_levels = kNumLevels;
|
|
options.max_compaction_bytes = 1; // Force not expanding in compactions
|
|
BlockBasedTableOptions table_options;
|
|
table_options.block_size = 1024;
|
|
options.table_factory.reset(NewBlockBasedTableFactory(table_options));
|
|
|
|
DestroyAndReopen(options);
|
|
|
|
// Compact against empty DB
|
|
dbfull()->CompactRange(CompactRangeOptions(), nullptr, nullptr);
|
|
|
|
uint64_t int_prop;
|
|
std::string str_prop;
|
|
|
|
// Initial base level is the last level
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
|
|
ASSERT_EQ(4U, int_prop);
|
|
|
|
// Put about 7K to L0
|
|
for (int i = 0; i < 140; i++) {
|
|
ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
|
|
RandomString(&rnd, 80)));
|
|
}
|
|
Flush();
|
|
dbfull()->TEST_WaitForCompact();
|
|
if (NumTableFilesAtLevel(0) == 0) {
|
|
// Make sure level 0 is not empty
|
|
ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
|
|
RandomString(&rnd, 80)));
|
|
Flush();
|
|
}
|
|
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
|
|
ASSERT_EQ(3U, int_prop);
|
|
ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level1", &str_prop));
|
|
ASSERT_EQ("0", str_prop);
|
|
ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level2", &str_prop));
|
|
ASSERT_EQ("0", str_prop);
|
|
|
|
rocksdb::SyncPoint::GetInstance()->DisableProcessing();
|
|
rocksdb::SyncPoint::GetInstance()->ClearAllCallBacks();
|
|
|
|
std::set<int> output_levels;
|
|
rocksdb::SyncPoint::GetInstance()->SetCallBack(
|
|
"CompactionPicker::CompactRange:Return", [&](void* arg) {
|
|
Compaction* compaction = reinterpret_cast<Compaction*>(arg);
|
|
output_levels.insert(compaction->output_level());
|
|
});
|
|
rocksdb::SyncPoint::GetInstance()->EnableProcessing();
|
|
|
|
dbfull()->CompactRange(CompactRangeOptions(), nullptr, nullptr);
|
|
ASSERT_EQ(output_levels.size(), 2);
|
|
ASSERT_TRUE(output_levels.find(3) != output_levels.end());
|
|
ASSERT_TRUE(output_levels.find(4) != output_levels.end());
|
|
ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level0", &str_prop));
|
|
ASSERT_EQ("0", str_prop);
|
|
ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level3", &str_prop));
|
|
ASSERT_EQ("0", str_prop);
|
|
// Base level is still level 3.
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
|
|
ASSERT_EQ(3U, int_prop);
|
|
}
|
|
|
|
TEST_F(DBTestDynamicLevel, DynamicLevelMaxBytesBaseInc) {
|
|
Options options = CurrentOptions();
|
|
options.create_if_missing = true;
|
|
options.write_buffer_size = 2048;
|
|
options.max_write_buffer_number = 2;
|
|
options.level0_file_num_compaction_trigger = 2;
|
|
options.level0_slowdown_writes_trigger = 2;
|
|
options.level0_stop_writes_trigger = 2;
|
|
options.target_file_size_base = 2048;
|
|
options.level_compaction_dynamic_level_bytes = true;
|
|
options.max_bytes_for_level_base = 10240;
|
|
options.max_bytes_for_level_multiplier = 4;
|
|
options.soft_rate_limit = 1.1;
|
|
options.max_background_compactions = 2;
|
|
options.num_levels = 5;
|
|
options.max_compaction_bytes = 100000000;
|
|
|
|
DestroyAndReopen(options);
|
|
|
|
int non_trivial = 0;
|
|
rocksdb::SyncPoint::GetInstance()->SetCallBack(
|
|
"DBImpl::BackgroundCompaction:NonTrivial",
|
|
[&](void* arg) { non_trivial++; });
|
|
rocksdb::SyncPoint::GetInstance()->EnableProcessing();
|
|
|
|
Random rnd(301);
|
|
const int total_keys = 3000;
|
|
const int random_part_size = 100;
|
|
for (int i = 0; i < total_keys; i++) {
|
|
std::string value = RandomString(&rnd, random_part_size);
|
|
PutFixed32(&value, static_cast<uint32_t>(i));
|
|
ASSERT_OK(Put(Key(i), value));
|
|
}
|
|
Flush();
|
|
dbfull()->TEST_WaitForCompact();
|
|
rocksdb::SyncPoint::GetInstance()->DisableProcessing();
|
|
|
|
ASSERT_EQ(non_trivial, 0);
|
|
|
|
for (int i = 0; i < total_keys; i++) {
|
|
std::string value = Get(Key(i));
|
|
ASSERT_EQ(DecodeFixed32(value.c_str() + random_part_size),
|
|
static_cast<uint32_t>(i));
|
|
}
|
|
|
|
env_->SetBackgroundThreads(1, Env::LOW);
|
|
env_->SetBackgroundThreads(1, Env::HIGH);
|
|
}
|
|
|
|
TEST_F(DBTestDynamicLevel, DISABLED_MigrateToDynamicLevelMaxBytesBase) {
|
|
Random rnd(301);
|
|
const int kMaxKey = 2000;
|
|
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.write_buffer_size = 2048;
|
|
options.max_write_buffer_number = 8;
|
|
options.level0_file_num_compaction_trigger = 4;
|
|
options.level0_slowdown_writes_trigger = 4;
|
|
options.level0_stop_writes_trigger = 8;
|
|
options.target_file_size_base = 2048;
|
|
options.level_compaction_dynamic_level_bytes = false;
|
|
options.max_bytes_for_level_base = 10240;
|
|
options.max_bytes_for_level_multiplier = 4;
|
|
options.soft_rate_limit = 1.1;
|
|
options.num_levels = 8;
|
|
|
|
DestroyAndReopen(options);
|
|
|
|
auto verify_func = [&](int num_keys, bool if_sleep) {
|
|
for (int i = 0; i < num_keys; i++) {
|
|
ASSERT_NE("NOT_FOUND", Get(Key(kMaxKey + i)));
|
|
if (i < num_keys / 10) {
|
|
ASSERT_EQ("NOT_FOUND", Get(Key(i)));
|
|
} else {
|
|
ASSERT_NE("NOT_FOUND", Get(Key(i)));
|
|
}
|
|
if (if_sleep && i % 1000 == 0) {
|
|
// Without it, valgrind may choose not to give another
|
|
// thread a chance to run before finishing the function,
|
|
// causing the test to be extremely slow.
|
|
env_->SleepForMicroseconds(1);
|
|
}
|
|
}
|
|
};
|
|
|
|
int total_keys = 1000;
|
|
for (int i = 0; i < total_keys; i++) {
|
|
ASSERT_OK(Put(Key(i), RandomString(&rnd, 102)));
|
|
ASSERT_OK(Put(Key(kMaxKey + i), RandomString(&rnd, 102)));
|
|
ASSERT_OK(Delete(Key(i / 10)));
|
|
}
|
|
verify_func(total_keys, false);
|
|
dbfull()->TEST_WaitForCompact();
|
|
|
|
options.level_compaction_dynamic_level_bytes = true;
|
|
options.disable_auto_compactions = true;
|
|
Reopen(options);
|
|
verify_func(total_keys, false);
|
|
|
|
std::atomic_bool compaction_finished;
|
|
compaction_finished = false;
|
|
// Issue manual compaction in one thread and still verify DB state
|
|
// in main thread.
|
|
rocksdb::port::Thread t([&]() {
|
|
CompactRangeOptions compact_options;
|
|
compact_options.change_level = true;
|
|
compact_options.target_level = options.num_levels - 1;
|
|
dbfull()->CompactRange(compact_options, nullptr, nullptr);
|
|
compaction_finished.store(true);
|
|
});
|
|
do {
|
|
verify_func(total_keys, true);
|
|
} while (!compaction_finished.load());
|
|
t.join();
|
|
|
|
ASSERT_OK(dbfull()->SetOptions({
|
|
{"disable_auto_compactions", "false"},
|
|
}));
|
|
|
|
int total_keys2 = 2000;
|
|
for (int i = total_keys; i < total_keys2; i++) {
|
|
ASSERT_OK(Put(Key(i), RandomString(&rnd, 102)));
|
|
ASSERT_OK(Put(Key(kMaxKey + i), RandomString(&rnd, 102)));
|
|
ASSERT_OK(Delete(Key(i / 10)));
|
|
}
|
|
|
|
verify_func(total_keys2, false);
|
|
dbfull()->TEST_WaitForCompact();
|
|
verify_func(total_keys2, false);
|
|
|
|
// Base level is not level 1
|
|
ASSERT_EQ(NumTableFilesAtLevel(1), 0);
|
|
ASSERT_EQ(NumTableFilesAtLevel(2), 0);
|
|
}
|
|
} // namespace rocksdb
|
|
|
|
#endif // !defined(ROCKSDB_LITE)
|
|
|
|
int main(int argc, char** argv) {
|
|
#if !defined(ROCKSDB_LITE)
|
|
rocksdb::port::InstallStackTraceHandler();
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|