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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/test_kit.h>
#include <vespa/fnet/frt/supervisor.h>
#include <vespa/fnet/frt/rpcrequest.h>
#include <vespa/fnet/frt/target.h>
#include <vespa/fnet/transport.h>
#include <vespa/vespalib/util/benchmark_timer.h>
#include <vespa/vespalib/net/crypto_engine.h>
#include <vespa/vespalib/net/tls/tls_crypto_engine.h>
#include <vespa/vespalib/test/make_tls_options_for_testing.h>
#include <vespa/vespalib/util/size_literals.h>
#include <thread>
using namespace vespalib;
struct Rpc : FRT_Invokable {
FNET_Transport transport;
FRT_Supervisor orb;
Rpc(CryptoEngine::SP crypto, size_t num_threads, bool drop_empty)
: transport(fnet::TransportConfig(num_threads).crypto(std::move(crypto)).drop_empty_buffers(drop_empty)), orb(&transport) {}
void start() {
ASSERT_TRUE(transport.Start());
}
uint32_t listen() {
ASSERT_TRUE(orb.Listen(0));
return orb.GetListenPort();
}
FRT_Target *connect(uint32_t port) {
return orb.GetTarget(port);
}
~Rpc() override {
transport.ShutDown(true);
}
};
struct Server : Rpc {
uint32_t port;
Server(CryptoEngine::SP crypto, size_t num_threads, bool drop_empty = false) : Rpc(std::move(crypto), num_threads, drop_empty), port(listen()) {
init_rpc();
start();
}
~Server() override;
void init_rpc() {
FRT_ReflectionBuilder rb(&orb);
rb.DefineMethod("inc", "l", "l", FRT_METHOD(Server::rpc_inc), this);
rb.MethodDesc("increment a 64-bit integer");
rb.ParamDesc("in", "an integer (64 bit)");
rb.ReturnDesc("out", "in + 1 (64 bit)");
}
void rpc_inc(FRT_RPCRequest *req) {
FRT_Values ¶ms = *req->GetParams();
FRT_Values &ret = *req->GetReturn();
ret.AddInt64(params[0]._intval64 + 1);
}
};
Server::~Server() = default;
struct Client : Rpc {
uint32_t port;
Client(CryptoEngine::SP crypto, size_t num_threads, const Server &server, bool drop_empty = false) : Rpc(std::move(crypto), num_threads, drop_empty), port(server.port) {
start();
}
~Client() override;
FRT_Target *connect() { return Rpc::connect(port); }
};
Client::~Client() = default;
struct Result {
std::vector<double> req_per_sec;
explicit Result(size_t num_threads) : req_per_sec(num_threads, 0.0) {}
double throughput() const {
double sum = 0.0;
for (double sample: req_per_sec) {
sum += sample;
}
return sum;
}
double latency_ms() const {
double avg_req_per_sec = throughput() / req_per_sec.size();
double avg_sec_per_req = 1.0 / avg_req_per_sec;
return avg_sec_per_req * 1000.0;
}
void print() const {
fprintf(stderr, "total throughput: %f req/s\n", throughput());
fprintf(stderr, "average latency : %f ms\n", latency_ms());
}
};
bool verbose = false;
double budget = 1.5;
void perform_test(size_t thread_id, Client &client, Result &result, bool vital = false) {
if (!vital && !verbose) {
if (thread_id == 0) {
fprintf(stderr, "... skipping non-vital test; run with 'verbose' to enable\n");
}
return;
}
uint64_t seq = 0;
FRT_Target *target = client.connect();
FRT_RPCRequest *req = client.orb.AllocRPCRequest();
auto invoke = [&seq, target, &client, &req](){
req = client.orb.AllocRPCRequest(req);
req->SetMethodName("inc");
req->GetParams()->AddInt64(seq);
target->InvokeSync(req, 300.0);
ASSERT_TRUE(req->CheckReturnTypes("l"));
uint64_t ret = req->GetReturn()->GetValue(0)._intval64;
EXPECT_EQUAL(ret, seq + 1);
seq = ret;
};
size_t loop_cnt = 8;
BenchmarkTimer::benchmark(invoke, invoke, 0.5);
BenchmarkTimer timer(budget);
while (timer.has_budget()) {
timer.before();
for (size_t i = 0; i < loop_cnt; ++i) {
invoke();
}
timer.after();
}
double t = timer.min_time();
BenchmarkTimer::benchmark(invoke, invoke, 0.5);
EXPECT_GREATER_EQUAL(seq, loop_cnt);
result.req_per_sec[thread_id] = double(loop_cnt) / t;
req->internal_subref();
target->internal_subref();
TEST_BARRIER();
if (thread_id == 0) {
result.print();
}
}
CryptoEngine::SP null_crypto = std::make_shared<NullCryptoEngine>();
CryptoEngine::SP tls_crypto = std::make_shared<vespalib::TlsCryptoEngine>(vespalib::test::make_tls_options_for_testing());
namespace {
uint32_t getNumThreads() {
return std::max(4u, std::thread::hardware_concurrency());
}
}
TEST_MT_FFF("parallel rpc with 1/1 transport threads and num_cores user threads (no encryption)",
getNumThreads(), Server(null_crypto, 1), Client(null_crypto, 1, f1), Result(num_threads)) { perform_test(thread_id, f2, f3); }
TEST_MT_FFF("parallel rpc with 1/1 transport threads and num_cores user threads (tls encryption)",
getNumThreads(), Server(tls_crypto, 1), Client(tls_crypto, 1, f1), Result(num_threads)) { perform_test(thread_id, f2, f3); }
TEST_MT_FFF("parallel rpc with 1/1 transport threads and num_cores user threads (tls encryption + drop empty buffers)",
getNumThreads(), Server(tls_crypto, 1, true), Client(tls_crypto, 1, f1, true), Result(num_threads)) { perform_test(thread_id, f2, f3); }
TEST_MT_FFF("parallel rpc with 8/8 transport threads and num_cores user threads (no encryption)",
getNumThreads(), Server(null_crypto, 8), Client(null_crypto, 8, f1), Result(num_threads)) { perform_test(thread_id, f2, f3, true); }
TEST_MT_FFF("parallel rpc with 8/8 transport threads and num_cores user threads (tls encryption)",
getNumThreads(), Server(tls_crypto, 8), Client(tls_crypto, 8, f1), Result(num_threads)) { perform_test(thread_id, f2, f3, true); }
TEST_MT_FFF("parallel rpc with 8/8 transport threads and num_cores user threads (tls encryption + drop empty buffers)",
getNumThreads(), Server(tls_crypto, 8, true), Client(tls_crypto, 8, f1, true), Result(num_threads)) { perform_test(thread_id, f2, f3); }
//-----------------------------------------------------------------------------
int main(int argc, char **argv) {
TEST_MASTER.init(__FILE__);
if ((argc == 2) && (argv[1] == std::string("verbose"))) {
verbose = true;
budget = 10.0;
}
TEST_RUN_ALL();
return (TEST_MASTER.fini() ? 0 : 1);
}
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