memgraph/tests/macro_benchmark/clients/query_client.cpp
Matej Ferencevic 0013cbb173 Polish Bolt client and mg_client
Reviewers: mculinovic, teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1681
2018-10-19 13:55:51 +02:00

133 lines
3.4 KiB
C++

#include <fstream>
#include <thread>
#include <vector>
#include <gflags/gflags.h>
#include <glog/logging.h>
#include "utils/algorithm.hpp"
#include "utils/string.hpp"
#include "utils/thread/sync.hpp"
#include "utils/timer.hpp"
#include "common.hpp"
DEFINE_int32(num_workers, 1, "Number of workers");
DEFINE_string(input, "", "Input file");
DEFINE_string(output, "", "Output file");
DEFINE_string(address, "127.0.0.1", "Server address");
DEFINE_int32(port, 7687, "Server port");
DEFINE_string(username, "", "Username for the database");
DEFINE_string(password, "", "Password for the database");
DEFINE_bool(use_ssl, false, "Set to true to connect with SSL to the server.");
using communication::bolt::Value;
const int MAX_RETRIES = 50;
void PrintJsonMetadata(
std::ostream &os,
const std::vector<std::map<std::string, Value>> &metadata) {
os << "[";
utils::PrintIterable(os, metadata, ", ", [](auto &stream, const auto &item) {
PrintJsonValue(stream, item);
});
os << "]";
}
void PrintSummary(std::ostream &os, double duration,
const std::vector<std::map<std::string, Value>> &metadata) {
os << "{\"wall_time\": " << duration << ", "
<< "\"metadatas\": ";
PrintJsonMetadata(os, metadata);
os << "}\n";
}
void ExecuteQueries(const std::vector<std::string> &queries,
std::ostream &ostream) {
std::vector<std::thread> threads;
utils::SpinLock spinlock;
uint64_t last = 0;
std::vector<std::map<std::string, Value>> metadata;
metadata.resize(queries.size());
utils::Timer timer;
for (int i = 0; i < FLAGS_num_workers; ++i) {
threads.push_back(std::thread([&]() {
Endpoint endpoint(FLAGS_address, FLAGS_port);
ClientContext context(FLAGS_use_ssl);
Client client(&context);
client.Connect(endpoint, FLAGS_username, FLAGS_password);
std::string str;
while (true) {
uint64_t pos;
{
std::lock_guard<utils::SpinLock> lock(spinlock);
if (last == queries.size()) {
break;
}
pos = last++;
str = queries[pos];
}
try {
metadata[pos] = ExecuteNTimesTillSuccess(client, str, {}, MAX_RETRIES)
.first.metadata;
} catch (const utils::BasicException &e) {
LOG(FATAL) << "Could not execute query '" << str << "' "
<< MAX_RETRIES << " times! Error message: " << e.what();
}
}
client.Close();
}));
}
for (int i = 0; i < FLAGS_num_workers; ++i) {
threads[i].join();
}
auto elapsed = timer.Elapsed();
double duration = elapsed.count();
PrintSummary(ostream, duration, metadata);
}
int main(int argc, char **argv) {
gflags::ParseCommandLineFlags(&argc, &argv, true);
google::InitGoogleLogging(argv[0]);
communication::Init();
std::ifstream ifile;
std::istream *istream{&std::cin};
std::ofstream ofile;
std::ostream *ostream{&std::cout};
if (FLAGS_input != "") {
ifile.open(FLAGS_input);
istream = &ifile;
}
if (FLAGS_output != "") {
ofile.open(FLAGS_output);
ostream = &ofile;
}
while (!istream->eof()) {
std::vector<std::string> queries;
std::string query;
while (std::getline(*istream, query) && utils::Trim(query) != "" &&
utils::Trim(query) != ";") {
queries.push_back(query);
}
ExecuteQueries(queries, *ostream);
}
return 0;
}