dbwrapper.cpp File Reference

#include <dbwrapper.h>
#include <compat/byteswap.h>
#include <random.h>
#include <sync.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <test/util/random.h>
#include <test/util/setup_common.h>
#include <util/byte_units.h>
#include <util/check.h>
#include <util/threadpool.h>
#include <leveldb/env.h>
#include <leveldb/helpers/memenv/memenv.h>
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <deque>
#include <functional>
#include <future>
#include <latch>
#include <map>
#include <memory>
#include <numeric>
#include <optional>
#include <set>
#include <span>
#include <string>
#include <tuple>
#include <vector>

Include dependency graph for dbwrapper.cpp:

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Enumerations
enum class	ReadOp { Read , Exists , IteratorSeek }

Functions
	TestDbWrapper (provider, &det_env, [&] { det_env.DrainWork();}, [&] { return det_env.RunOne();}, false)
	TestDbWrapper (provider, memenv.get(), [] {}, [] { return false;}, true)
	SeedRandomStateForTest (SeedRand::ZEROS)
keys	reserve (num_entries)
	for (size_t start{0};start< num_entries;start+=SEED_BATCH_SIZE)
	while (provider.ConsumeBool() &&det_env.RunOne())
queries	reserve (num_queries)
std::vector< std::function< void()> >	tasks (MAX_READ_WORKERS)
start_latch	arrive_and_wait ()
det_env	DrainWork ()
	for (auto &fut :futures) fut.get()

Variables
const auto	memenv {std::unique_ptr<leveldb::Env>{leveldb::NewMemEnv(leveldb::Env::Default())}}
DeterministicEnv	det_env {memenv.get()}
FuzzedDataProvider	provider {buffer.data(), buffer.size()}
CDBWrapper	db {ConsumeDBParams(provider, &det_env, provider.ConsumeBool())}
const size_t	num_entries {provider.ConsumeIntegralInRange<size_t>(100, 5'000)}
std::vector< uint16_t >	keys
Oracle	oracle
constexpr size_t	SEED_BATCH_SIZE {400}
const size_t	num_queries {provider.ConsumeIntegralInRange<size_t>(1, 2'000)}
std::vector< std::tuple< ReadOp, uint16_t > >	queries
std::latch	start_latch {static_cast<ptrdiff_t>(MAX_READ_WORKERS + 1)}
FastRandomContext	rng {ConsumeUInt256(provider)}
auto	futures {*Assert(g_read_pool.Submit(std::move(tasks)))}

Enumeration Type Documentation

ReadOp

enum class ReadOp

strong

Enumerator
Read
Exists
IteratorSeek

Definition at line 399 of file dbwrapper.cpp.

Function Documentation

arrive_and_wait()

start_latch arrive_and_wait

(

)

DrainWork()

det_env DrainWork

(

)

for() [1/2]

for

(

auto &fut :futures

)

for() [2/2]

for

(

)

Definition at line 381 of file dbwrapper.cpp.

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reserve() [1/2]

keys reserve

(

num_entries

)

reserve() [2/2]

queries reserve

(

num_queries

)

SeedRandomStateForTest()

SeedRandomStateForTest

(

SeedRand::ZEROS

)

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tasks()

std::vector< std::function< void()> > tasks

(

MAX_READ_WORKERS

)

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TestDbWrapper() [1/2]

TestDbWrapper	(	provider	,
		&	det_env,
		[&] { det_env.DrainWork();}	,
		[&] { return det_env.RunOne();}	,
		false
	)

TestDbWrapper() [2/2]

TestDbWrapper	(	provider	,
		memenv.	get(),
		[] {}	,
		[] { return false;}	,
		true
	)

while()

while

(

provider.

ConsumeBool) &&det_env.RunOne(

)

Definition at line 395 of file dbwrapper.cpp.

Variable Documentation

db

CDBWrapper db {ConsumeDBParams(provider, &det_env, provider.ConsumeBool())}

Definition at line 372 of file dbwrapper.cpp.

det_env

DeterministicEnv det_env {memenv.get()}

Definition at line 342 of file dbwrapper.cpp.

futures

auto futures {*Assert(g_read_pool.Submit(std::move(tasks)))}

Definition at line 458 of file dbwrapper.cpp.

keys

std::vector<uint16_t> keys

Definition at line 377 of file dbwrapper.cpp.

memenv

const auto memenv {std::unique_ptr<leveldb::Env>{leveldb::NewMemEnv(leveldb::Env::Default())}}

Definition at line 341 of file dbwrapper.cpp.

num_entries

const size_t num_entries {provider.ConsumeIntegralInRange<size_t>(100, 5'000)}

Definition at line 376 of file dbwrapper.cpp.

num_queries

const size_t num_queries {provider.ConsumeIntegralInRange<size_t>(1, 2'000)}

Definition at line 398 of file dbwrapper.cpp.

oracle

Oracle oracle

Definition at line 379 of file dbwrapper.cpp.

provider

FuzzedDataProvider provider {buffer.data(), buffer.size()}

Definition at line 367 of file dbwrapper.cpp.

queries

std::vector<std::tuple<ReadOp, uint16_t> > queries

Definition at line 400 of file dbwrapper.cpp.

rng

FastRandomContext rng {ConsumeUInt256(provider)}

Definition at line 414 of file dbwrapper.cpp.

SEED_BATCH_SIZE

constexpr size_t SEED_BATCH_SIZE {400}

constexpr

Definition at line 380 of file dbwrapper.cpp.

start_latch

std::latch start_latch {static_cast<ptrdiff_t>(MAX_READ_WORKERS + 1)}

Definition at line 412 of file dbwrapper.cpp.