Files
memgraph/tests/simulation/middleware.cpp
2022-09-02 16:50:48 +03:00

239 lines
9.6 KiB
C++

// Copyright 2022 Memgraph Ltd.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
// License, and you may not use this file except in compliance with the Business Source License.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
#include <chrono>
#include <deque>
#include <iostream>
#include <map>
#include <optional>
#include <set>
#include <thread>
#include <vector>
#include "coordinator/coordinator_client.hpp"
#include "coordinator/coordinator_rsm.hpp"
#include "io/address.hpp"
#include "io/errors.hpp"
#include "io/rsm/raft.hpp"
#include "io/rsm/rsm_client.hpp"
#include "io/rsm/shard_rsm.hpp"
#include "io/simulator/simulator.hpp"
#include "io/simulator/simulator_transport.hpp"
#include "query/v2/middleware.hpp"
#include "storage/v2/property_value.hpp"
#include "storage/v3/property_value.hpp"
#include "utils/result.hpp"
using memgraph::coordinator::AddressAndStatus;
using memgraph::coordinator::CompoundKey;
using memgraph::coordinator::Coordinator;
using memgraph::coordinator::CoordinatorClient;
using memgraph::coordinator::CoordinatorRsm;
using memgraph::coordinator::HlcRequest;
using memgraph::coordinator::HlcResponse;
using memgraph::coordinator::Shard;
using memgraph::coordinator::ShardMap;
using memgraph::coordinator::Shards;
using memgraph::coordinator::Status;
using memgraph::io::Address;
using memgraph::io::Io;
using memgraph::io::ResponseEnvelope;
using memgraph::io::ResponseFuture;
using memgraph::io::Time;
using memgraph::io::TimedOut;
using memgraph::io::rsm::Raft;
using memgraph::io::rsm::ReadRequest;
using memgraph::io::rsm::ReadResponse;
using memgraph::io::rsm::RsmClient;
using memgraph::io::rsm::StorageReadRequest;
using memgraph::io::rsm::StorageReadResponse;
using memgraph::io::rsm::StorageRsm;
using memgraph::io::rsm::StorageWriteRequest;
using memgraph::io::rsm::StorageWriteResponse;
using memgraph::io::rsm::WriteRequest;
using memgraph::io::rsm::WriteResponse;
using memgraph::io::simulator::Simulator;
using memgraph::io::simulator::SimulatorConfig;
using memgraph::io::simulator::SimulatorStats;
using memgraph::io::simulator::SimulatorTransport;
using memgraph::utils::BasicResult;
using StorageClient =
RsmClient<SimulatorTransport, StorageWriteRequest, StorageWriteResponse, StorageReadRequest, StorageReadResponse>;
namespace {
ShardMap CreateDummyShardmap(memgraph::coordinator::Address a_io_1, memgraph::coordinator::Address a_io_2,
memgraph::coordinator::Address a_io_3, memgraph::coordinator::Address b_io_1,
memgraph::coordinator::Address b_io_2, memgraph::coordinator::Address b_io_3) {
ShardMap sm1;
auto &shards = sm1.GetShards();
// 1
std::string label1 = std::string("label1");
auto key1 = memgraph::storage::v3::PropertyValue(3);
auto key2 = memgraph::storage::v3::PropertyValue(4);
CompoundKey cm1 = {key1, key2};
AddressAndStatus aas1_1{.address = a_io_1, .status = Status::CONSENSUS_PARTICIPANT};
AddressAndStatus aas1_2{.address = a_io_2, .status = Status::CONSENSUS_PARTICIPANT};
AddressAndStatus aas1_3{.address = a_io_3, .status = Status::CONSENSUS_PARTICIPANT};
Shard shard1 = {aas1_1, aas1_2, aas1_3};
Shards shards1;
shards1[cm1] = shard1;
// 2
std::string label2 = std::string("label2");
auto key3 = memgraph::storage::v3::PropertyValue(12);
auto key4 = memgraph::storage::v3::PropertyValue(13);
CompoundKey cm2 = {key3, key4};
AddressAndStatus aas2_1{.address = b_io_1, .status = Status::CONSENSUS_PARTICIPANT};
AddressAndStatus aas2_2{.address = b_io_2, .status = Status::CONSENSUS_PARTICIPANT};
AddressAndStatus aas2_3{.address = b_io_3, .status = Status::CONSENSUS_PARTICIPANT};
Shard shard2 = {aas2_1, aas2_2, aas2_3};
Shards shards2;
shards2[cm2] = shard2;
shards[label1] = shards1;
shards[label2] = shards2;
return sm1;
}
} // namespace
using ConcreteCoordinatorRsm = CoordinatorRsm<SimulatorTransport>;
using ConcreteStorageRsm = Raft<SimulatorTransport, StorageRsm, StorageWriteRequest, StorageWriteResponse,
StorageReadRequest, StorageReadResponse>;
template <typename IoImpl>
void RunStorageRaft(
Raft<IoImpl, StorageRsm, StorageWriteRequest, StorageWriteResponse, StorageReadRequest, StorageReadResponse>
server) {
server.Run();
}
int main() {
SimulatorConfig config{
.drop_percent = 0,
.perform_timeouts = false,
.scramble_messages = false,
.rng_seed = 0,
.start_time = Time::min() + std::chrono::microseconds{256 * 1024},
.abort_time = Time::min() + std::chrono::microseconds{2 * 8 * 1024 * 1024},
};
auto simulator = Simulator(config);
Io<SimulatorTransport> cli_io = simulator.RegisterNew();
// Register
Io<SimulatorTransport> a_io_1 = simulator.RegisterNew();
Io<SimulatorTransport> a_io_2 = simulator.RegisterNew();
Io<SimulatorTransport> a_io_3 = simulator.RegisterNew();
Io<SimulatorTransport> b_io_1 = simulator.RegisterNew();
Io<SimulatorTransport> b_io_2 = simulator.RegisterNew();
Io<SimulatorTransport> b_io_3 = simulator.RegisterNew();
// Preconfigure coordinator with kv shard 'A' and 'B'
auto sm1 = CreateDummyShardmap(a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress(), b_io_1.GetAddress(),
b_io_2.GetAddress(), b_io_3.GetAddress());
auto sm2 = CreateDummyShardmap(a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress(), b_io_1.GetAddress(),
b_io_2.GetAddress(), b_io_3.GetAddress());
auto sm3 = CreateDummyShardmap(a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress(), b_io_1.GetAddress(),
b_io_2.GetAddress(), b_io_3.GetAddress());
// Spin up shard A
std::vector<Address> a_addrs = {a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress()};
std::vector<Address> a_1_peers = {a_addrs[1], a_addrs[2]};
std::vector<Address> a_2_peers = {a_addrs[0], a_addrs[2]};
std::vector<Address> a_3_peers = {a_addrs[0], a_addrs[1]};
ConcreteStorageRsm a_1{std::move(a_io_1), a_1_peers, StorageRsm{}};
ConcreteStorageRsm a_2{std::move(a_io_2), a_2_peers, StorageRsm{}};
ConcreteStorageRsm a_3{std::move(a_io_3), a_3_peers, StorageRsm{}};
auto a_thread_1 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(a_1));
simulator.IncrementServerCountAndWaitForQuiescentState(a_addrs[0]);
auto a_thread_2 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(a_2));
simulator.IncrementServerCountAndWaitForQuiescentState(a_addrs[1]);
auto a_thread_3 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(a_3));
simulator.IncrementServerCountAndWaitForQuiescentState(a_addrs[2]);
// Spin up shard B
std::vector<Address> b_addrs = {b_io_1.GetAddress(), b_io_2.GetAddress(), b_io_3.GetAddress()};
std::vector<Address> b_1_peers = {b_addrs[1], b_addrs[2]};
std::vector<Address> b_2_peers = {b_addrs[0], b_addrs[2]};
std::vector<Address> b_3_peers = {b_addrs[0], b_addrs[1]};
ConcreteStorageRsm b_1{std::move(b_io_1), b_1_peers, StorageRsm{}};
ConcreteStorageRsm b_2{std::move(b_io_2), b_2_peers, StorageRsm{}};
ConcreteStorageRsm b_3{std::move(b_io_3), b_3_peers, StorageRsm{}};
auto b_thread_1 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(b_1));
simulator.IncrementServerCountAndWaitForQuiescentState(b_addrs[0]);
auto b_thread_2 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(b_2));
simulator.IncrementServerCountAndWaitForQuiescentState(b_addrs[1]);
auto b_thread_3 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(b_3));
simulator.IncrementServerCountAndWaitForQuiescentState(b_addrs[2]);
// Spin up coordinators
Io<SimulatorTransport> c_io_1 = simulator.RegisterNew();
Io<SimulatorTransport> c_io_2 = simulator.RegisterNew();
Io<SimulatorTransport> c_io_3 = simulator.RegisterNew();
std::vector<Address> c_addrs = {c_io_1.GetAddress(), c_io_2.GetAddress(), c_io_3.GetAddress()};
std::vector<Address> c_1_peers = {c_addrs[1], c_addrs[2]};
std::vector<Address> c_2_peers = {c_addrs[0], c_addrs[2]};
std::vector<Address> c_3_peers = {c_addrs[0], c_addrs[1]};
ConcreteCoordinatorRsm c_1{std::move(c_io_1), c_1_peers, Coordinator{(sm1)}};
ConcreteCoordinatorRsm c_2{std::move(c_io_2), c_2_peers, Coordinator{(sm2)}};
ConcreteCoordinatorRsm c_3{std::move(c_io_3), c_3_peers, Coordinator{(sm3)}};
auto c_thread_1 = std::jthread([c_1]() mutable { c_1.Run(); });
simulator.IncrementServerCountAndWaitForQuiescentState(c_addrs[0]);
auto c_thread_2 = std::jthread([c_2]() mutable { c_2.Run(); });
simulator.IncrementServerCountAndWaitForQuiescentState(c_addrs[1]);
auto c_thread_3 = std::jthread([c_3]() mutable { c_3.Run(); });
simulator.IncrementServerCountAndWaitForQuiescentState(c_addrs[2]);
std::cout << "beginning test after servers have become quiescent" << std::endl;
// Have client contact coordinator RSM for a new transaction ID and
// also get the current shard map
CoordinatorClient<SimulatorTransport> coordinator_client(cli_io, c_addrs[0], c_addrs);
QueryEngineMiddleware<SimulatorTransport> io(std::move(cli_io), std::move(coordinator_client));
ExecutionState state;
state.key = std::make_optional<CompoundKey>(
std::vector{memgraph::storage::v3::PropertyValue(3), memgraph::storage::v3::PropertyValue(4)});
state.label = "label1";
auto result = io.Request(state);
simulator.ShutDown();
std::cout << "Result is: " << result;
return 0;
}