136 lines
3.9 KiB
C++
136 lines
3.9 KiB
C++
// Copyright 2022 Memgraph Ltd.
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//
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// Use of this software is governed by the Business Source License
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// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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// License, and you may not use this file except in compliance with the Business Source License.
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//
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// As of the Change Date specified in that file, in accordance with
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// the Business Source License, use of this software will be governed
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// by the Apache License, Version 2.0, included in the file
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// licenses/APL.txt.
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#include <fstream>
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#include <mutex>
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#include <thread>
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#include <vector>
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#include <gflags/gflags.h>
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#include "communication/init.hpp"
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#include "utils/algorithm.hpp"
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#include "utils/spin_lock.hpp"
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#include "utils/string.hpp"
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#include "utils/timer.hpp"
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#include "common.hpp"
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DEFINE_int32(num_workers, 1, "Number of workers");
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DEFINE_string(input, "", "Input file");
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DEFINE_string(output, "", "Output file");
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DEFINE_string(address, "127.0.0.1", "Server address");
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DEFINE_int32(port, 7687, "Server port");
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DEFINE_string(username, "", "Username for the database");
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DEFINE_string(password, "", "Password for the database");
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DEFINE_bool(use_ssl, false, "Set to true to connect with SSL to the server.");
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using memgraph::communication::bolt::Value;
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const int MAX_RETRIES = 50;
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void PrintJsonMetadata(std::ostream &os, const std::vector<std::map<std::string, Value>> &metadata) {
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os << "[";
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memgraph::utils::PrintIterable(os, metadata, ", ",
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[](auto &stream, const auto &item) { PrintJsonValue(stream, item); });
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os << "]";
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}
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void PrintSummary(std::ostream &os, double duration, const std::vector<std::map<std::string, Value>> &metadata) {
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os << "{\"wall_time\": " << duration << ", "
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<< "\"metadatas\": ";
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PrintJsonMetadata(os, metadata);
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os << "}\n";
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}
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void ExecuteQueries(const std::vector<std::string> &queries, std::ostream &ostream) {
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std::vector<std::thread> threads;
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memgraph::utils::SpinLock spinlock;
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uint64_t last = 0;
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std::vector<std::map<std::string, Value>> metadata;
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metadata.resize(queries.size());
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memgraph::utils::Timer timer;
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for (int i = 0; i < FLAGS_num_workers; ++i) {
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threads.push_back(std::thread([&]() {
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Endpoint endpoint(FLAGS_address, FLAGS_port);
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ClientContext context(FLAGS_use_ssl);
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Client client(&context);
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client.Connect(endpoint, FLAGS_username, FLAGS_password);
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std::string str;
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while (true) {
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uint64_t pos;
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{
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std::lock_guard<memgraph::utils::SpinLock> lock(spinlock);
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if (last == queries.size()) {
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break;
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}
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pos = last++;
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str = queries[pos];
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}
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try {
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metadata[pos] = ExecuteNTimesTillSuccess(client, str, {}, MAX_RETRIES).first.metadata;
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} catch (const memgraph::utils::BasicException &e) {
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LOG_FATAL("Could not execute query '{}' {} times! Error message: {}", str, MAX_RETRIES, e.what());
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}
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}
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client.Close();
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}));
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}
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for (int i = 0; i < FLAGS_num_workers; ++i) {
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threads[i].join();
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}
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auto elapsed = timer.Elapsed();
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double duration = elapsed.count();
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PrintSummary(ostream, duration, metadata);
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}
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int main(int argc, char **argv) {
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gflags::ParseCommandLineFlags(&argc, &argv, true);
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memgraph::communication::SSLInit sslInit;
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std::ifstream ifile;
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std::istream *istream{&std::cin};
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std::ofstream ofile;
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std::ostream *ostream{&std::cout};
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if (FLAGS_input != "") {
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ifile.open(FLAGS_input);
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istream = &ifile;
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}
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if (FLAGS_output != "") {
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ofile.open(FLAGS_output);
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ostream = &ofile;
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}
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while (!istream->eof()) {
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std::vector<std::string> queries;
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std::string query;
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while (std::getline(*istream, query) && memgraph::utils::Trim(query) != "" && memgraph::utils::Trim(query) != ";") {
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queries.push_back(query);
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}
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ExecuteQueries(queries, *ostream);
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}
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return 0;
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}
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