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			272 lines
		
	
	
	
		
			8.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			272 lines
		
	
	
	
		
			8.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|     This file is part of TON Blockchain Library.
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| 
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|     TON Blockchain Library is free software: you can redistribute it and/or modify
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|     it under the terms of the GNU Lesser General Public License as published by
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|     the Free Software Foundation, either version 2 of the License, or
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|     (at your option) any later version.
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| 
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|     TON Blockchain Library is distributed in the hope that it will be useful,
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|     but WITHOUT ANY WARRANTY; without even the implied warranty of
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|     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|     GNU Lesser General Public License for more details.
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| 
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|     You should have received a copy of the GNU Lesser General Public License
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|     along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
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| 
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|     Copyright 2017-2020 Telegram Systems LLP
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| */
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| #include "td/utils/tests.h"
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| 
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| #include "td/db/KeyValueAsync.h"
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| #include "td/db/KeyValue.h"
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| #include "td/db/RocksDb.h"
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| 
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| #include "td/utils/benchmark.h"
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| #include "td/utils/buffer.h"
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| #include "td/utils/optional.h"
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| #include "td/utils/UInt.h"
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| 
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| TEST(KeyValue, simple) {
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|   td::Slice db_name = "testdb";
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|   td::RocksDb::destroy(db_name).ignore();
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| 
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|   std::unique_ptr<td::KeyValue> kv = std::make_unique<td::RocksDb>(td::RocksDb::open(db_name.str()).move_as_ok());
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|   auto set_value = [&](td::Slice key, td::Slice value) {
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|     kv->begin_transaction();
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|     kv->set(key, value);
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|     kv->commit_transaction();
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|   };
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|   auto ensure_value = [&](td::Slice key, td::Slice value) {
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|     std::string kv_value;
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|     auto status = kv->get(key, kv_value).move_as_ok();
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|     ASSERT_EQ(td::int32(status), td::int32(td::KeyValue::GetStatus::Ok));
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|     ASSERT_EQ(kv_value, value);
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|   };
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|   auto ensure_no_value = [&](td::Slice key) {
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|     std::string kv_value;
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|     auto status = kv->get(key, kv_value).move_as_ok();
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|     ASSERT_EQ(td::int32(status), td::int32(td::KeyValue::GetStatus::NotFound));
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|   };
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| 
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|   ensure_no_value("A");
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|   set_value("A", "HELLO");
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|   ensure_value("A", "HELLO");
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| 
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|   td::UInt128 x;
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|   std::fill(as_slice(x).begin(), as_slice(x).end(), '1');
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|   x.raw[5] = 0;
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|   set_value(as_slice(x), as_slice(x));
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|   ensure_value(as_slice(x), as_slice(x));
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| 
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|   kv.reset();
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|   td::RocksDbOptions options;
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|   options.snapshot_statistics = std::make_shared<td::RocksDbSnapshotStatistics>();
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|   kv = std::make_unique<td::RocksDb>(td::RocksDb::open(db_name.str(), options).move_as_ok());
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|   ensure_value("A", "HELLO");
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|   ensure_value(as_slice(x), as_slice(x));
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| 
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|   CHECK(!options.snapshot_statistics->oldest_snapshot_timestamp());
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|   auto snapshot = kv->snapshot();
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|   CHECK(options.snapshot_statistics->oldest_snapshot_timestamp());
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|   auto snapshot2 = kv->snapshot();
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|   snapshot.reset();
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|   CHECK(options.snapshot_statistics->oldest_snapshot_timestamp());
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|   snapshot2.reset();
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|   CHECK(!options.snapshot_statistics->oldest_snapshot_timestamp());
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| };
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| 
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| TEST(KeyValue, async_simple) {
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|   td::Slice db_name = "testdb";
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|   td::RocksDb::destroy(db_name).ignore();
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| 
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|   td::actor::Scheduler scheduler({6});
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|   auto watcher = td::create_shared_destructor([] { td::actor::SchedulerContext::get()->stop(); });
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| 
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|   class Worker : public td::actor::Actor {
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|    public:
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|     Worker(std::shared_ptr<td::Destructor> watcher, std::string db_name)
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|         : watcher_(std::move(watcher)), db_name_(std::move(db_name)) {
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|     }
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|     void start_up() override {
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|       loop();
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|     }
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|     void tear_down() override {
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|     }
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|     void loop() override {
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|       if (!kv_) {
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|         kv_ = td::KeyValueAsync<td::UInt128, td::BufferSlice>(
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|             std::make_unique<td::RocksDb>(td::RocksDb::open(db_name_).move_as_ok()));
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|         set_start_at_ = td::Timestamp::now();
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|       }
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|       if (next_set_ && next_set_.is_in_past()) {
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|         for (size_t i = 0; i < 10 && left_cnt_ > 0; i++, left_cnt_--) {
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|           do_set();
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|         }
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|         if (left_cnt_ > 0) {
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|           next_set_ = td::Timestamp::in(0.001);
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|           alarm_timestamp() = next_set_;
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|         } else {
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|           next_set_ = td::Timestamp::never();
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|           set_finish_at_ = td::Timestamp::now();
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|         }
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|       }
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|     }
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| 
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|    private:
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|     std::shared_ptr<td::Destructor> watcher_;
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|     td::optional<td::KeyValueAsync<td::UInt128, td::BufferSlice>> kv_;
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|     std::string db_name_;
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|     int left_cnt_ = 10000;
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|     int pending_cnt_ = left_cnt_;
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|     td::Timestamp next_set_ = td::Timestamp::now();
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|     td::Timestamp set_start_at_;
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|     td::Timestamp set_finish_at_;
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| 
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|     void do_set() {
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|       td::UInt128 key;
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|       td::Random::secure_bytes(as_slice(key));
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|       td::BufferSlice data(1024);
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|       td::Random::secure_bytes(as_slice(data));
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|       kv_.value().set(key, std::move(data), [actor_id = actor_id(this)](td::Result<td::Unit> res) {
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|         res.ensure();
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|         send_closure(actor_id, &Worker::on_stored);
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|       });
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|     }
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| 
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|     void on_stored() {
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|       pending_cnt_--;
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|       if (pending_cnt_ == 0) {
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|         auto now = td::Timestamp::now();
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|         LOG(ERROR) << (now.at() - set_finish_at_.at());
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|         LOG(ERROR) << (set_finish_at_.at() - set_start_at_.at());
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|         stop();
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|       }
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|     }
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|   };
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| 
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|   scheduler.run_in_context([watcher = std::move(watcher), &db_name]() mutable {
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|     td::actor::create_actor<Worker>("Worker", watcher, db_name.str()).release();
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|     watcher.reset();
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|   });
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| 
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|   scheduler.run();
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| };
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| 
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| class KeyValueBenchmark : public td::Benchmark {
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|  public:
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|   std::string get_description() const override {
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|     return "kv transation benchmark";
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|   }
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| 
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|   void start_up() override {
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|     td::RocksDb::destroy("ttt");
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|     db_ = td::RocksDb::open("ttt").move_as_ok();
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|   }
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|   void tear_down() override {
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|     db_ = {};
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|   }
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|   void run(int n) override {
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|     for (int i = 0; i < n; i++) {
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|       db_.value().begin_transaction();
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|       db_.value().set(PSLICE() << i, PSLICE() << i);
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|       db_.value().commit_transaction();
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|     }
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|   }
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| 
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|  private:
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|   td::optional<td::RocksDb> db_;
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| };
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| 
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| TEST(KeyValue, Bench) {
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|   td::bench(KeyValueBenchmark());
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| }
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| 
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| TEST(KeyValue, Stress) {
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|   return;
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|   td::Slice db_name = "testdb";
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|   size_t N = 20;
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|   auto db_name_i = [&](size_t i) { return PSTRING() << db_name << i; };
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|   for (size_t i = 0; i < N; i++) {
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|     td::RocksDb::destroy(db_name_i(i)).ignore();
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|   }
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| 
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|   td::actor::Scheduler scheduler({6});
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|   auto watcher = td::create_shared_destructor([] { td::actor::SchedulerContext::get()->stop(); });
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| 
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|   class Worker : public td::actor::Actor {
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|    public:
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|     Worker(std::shared_ptr<td::Destructor> watcher, std::string db_name)
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|         : watcher_(std::move(watcher)), db_name_(std::move(db_name)) {
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|     }
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|     void start_up() override {
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|       loop();
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|     }
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|     void tear_down() override {
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|     }
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|     void loop() override {
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|       if (stat_at_.is_in_past()) {
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|         stat_at_ = td::Timestamp::in(10);
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|         LOG(ERROR) << db_->stats();
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|       }
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|       if (!kv_) {
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|         db_ = std::make_shared<td::RocksDb>(td::RocksDb::open(db_name_).move_as_ok());
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|         kv_ = td::KeyValueAsync<td::UInt128, td::BufferSlice>(db_);
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|         set_start_at_ = td::Timestamp::now();
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|       }
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|       if (next_set_ && next_set_.is_in_past()) {
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|         for (size_t i = 0; i < 10 && left_cnt_ > 0; i++, left_cnt_--) {
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|           do_set();
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|         }
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|         if (left_cnt_ > 0) {
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|           next_set_ = td::Timestamp::in(0.01);
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|           alarm_timestamp() = next_set_;
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|         } else {
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|           next_set_ = td::Timestamp::never();
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|           set_finish_at_ = td::Timestamp::now();
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|         }
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|       }
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|     }
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| 
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|    private:
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|     std::shared_ptr<td::Destructor> watcher_;
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|     std::shared_ptr<td::RocksDb> db_;
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|     td::optional<td::KeyValueAsync<td::UInt128, td::BufferSlice>> kv_;
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|     std::string db_name_;
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|     int left_cnt_ = 1000000000;
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|     int pending_cnt_ = left_cnt_;
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|     td::Timestamp next_set_ = td::Timestamp::now();
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|     td::Timestamp set_start_at_;
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|     td::Timestamp set_finish_at_;
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|     td::Timestamp stat_at_ = td::Timestamp::in(10);
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| 
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|     void do_set() {
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|       td::UInt128 key = td::UInt128::zero();
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|       td::Random::secure_bytes(as_slice(key).substr(0, 1));
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|       td::BufferSlice data(1024);
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|       td::Random::secure_bytes(as_slice(data));
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|       kv_.value().set(key, std::move(data), [actor_id = actor_id(this)](td::Result<td::Unit> res) {
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|         res.ensure();
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|         send_closure(actor_id, &Worker::on_stored);
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|       });
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|     }
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| 
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|     void on_stored() {
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|       pending_cnt_--;
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|       if (pending_cnt_ == 0) {
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|         auto now = td::Timestamp::now();
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|         LOG(ERROR) << (now.at() - set_finish_at_.at());
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|         LOG(ERROR) << (set_finish_at_.at() - set_start_at_.at());
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|         stop();
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|       }
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|     }
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|   };
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|   scheduler.run_in_context([watcher = std::move(watcher), &db_name_i, &N]() mutable {
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|     for (size_t i = 0; i < N; i++) {
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|       td::actor::create_actor<Worker>("Worker", watcher, db_name_i(i)).release();
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|     }
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|     watcher.reset();
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|   });
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| 
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|   scheduler.run();
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| }
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