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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "test/cpp/qps/qps_worker.h"
#include <memory>
#include <mutex>
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#include <sstream>
#include <string>
#include <thread>
#include <vector>
#include "absl/memory/memory.h"
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/cpu.h>
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#include <grpc/support/log.h>
#include <grpcpp/client_context.h>
#include <grpcpp/security/server_credentials.h>
#include <grpcpp/server.h>
#include <grpcpp/server_builder.h>
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#include "src/core/lib/gprpp/host_port.h"
#include "src/proto/grpc/testing/worker_service.grpc.pb.h"
#include "test/core/util/grpc_profiler.h"
#include "test/core/util/histogram.h"
#include "test/cpp/qps/client.h"
#include "test/cpp/qps/qps_server_builder.h"
#include "test/cpp/qps/server.h"
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#include "test/cpp/util/create_test_channel.h"
#include "test/cpp/util/test_credentials_provider.h"
namespace grpc {
namespace testing {
static std::unique_ptr<Client> CreateClient(const ClientConfig& config) {
gpr_log(GPR_INFO, "Starting client of type %s %s %d",
ClientType_Name(config.client_type()).c_str(),
RpcType_Name(config.rpc_type()).c_str(),
config.payload_config().has_bytebuf_params());
switch (config.client_type()) {
case ClientType::SYNC_CLIENT:
return CreateSynchronousClient(config);
case ClientType::ASYNC_CLIENT:
return config.payload_config().has_bytebuf_params()
? CreateGenericAsyncStreamingClient(config)
: CreateAsyncClient(config);
case ClientType::CALLBACK_CLIENT:
return CreateCallbackClient(config);
default:
abort();
}
}
static std::unique_ptr<Server> CreateServer(const ServerConfig& config) {
gpr_log(GPR_INFO, "Starting server of type %s",
ServerType_Name(config.server_type()).c_str());
switch (config.server_type()) {
case ServerType::SYNC_SERVER:
return CreateSynchronousServer(config);
case ServerType::ASYNC_SERVER:
return CreateAsyncServer(config);
case ServerType::ASYNC_GENERIC_SERVER:
return CreateAsyncGenericServer(config);
case ServerType::CALLBACK_SERVER:
return CreateCallbackServer(config);
default:
abort();
}
}
class ScopedProfile final {
public:
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ScopedProfile(const char* filename, bool enable) : enable_(enable) {
if (enable_) grpc_profiler_start(filename);
}
~ScopedProfile() {
if (enable_) grpc_profiler_stop();
}
private:
const bool enable_;
};
class WorkerServiceImpl final : public WorkerService::Service {
public:
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WorkerServiceImpl(int server_port, QpsWorker* worker)
: acquired_(false), server_port_(server_port), worker_(worker) {}
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Status RunClient(
ServerContext* ctx,
ServerReaderWriter<ClientStatus, ClientArgs>* stream) override {
gpr_log(GPR_INFO, "RunClient: Entering");
InstanceGuard g(this);
if (!g.Acquired()) {
return Status(StatusCode::RESOURCE_EXHAUSTED, "Client worker busy");
}
ScopedProfile profile("qps_client.prof", false);
Status ret = RunClientBody(ctx, stream);
gpr_log(GPR_INFO, "RunClient: Returning");
return ret;
}
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Status RunServer(
ServerContext* ctx,
ServerReaderWriter<ServerStatus, ServerArgs>* stream) override {
gpr_log(GPR_INFO, "RunServer: Entering");
InstanceGuard g(this);
if (!g.Acquired()) {
return Status(StatusCode::RESOURCE_EXHAUSTED, "Server worker busy");
}
ScopedProfile profile("qps_server.prof", false);
Status ret = RunServerBody(ctx, stream);
gpr_log(GPR_INFO, "RunServer: Returning");
return ret;
}
Status CoreCount(ServerContext* /*ctx*/, const CoreRequest*,
CoreResponse* resp) override {
resp->set_cores(gpr_cpu_num_cores());
return Status::OK;
}
Status QuitWorker(ServerContext* /*ctx*/, const Void*, Void*) override {
InstanceGuard g(this);
if (!g.Acquired()) {
return Status(StatusCode::RESOURCE_EXHAUSTED, "Quitting worker busy");
}
worker_->MarkDone();
return Status::OK;
}
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private:
// Protect against multiple clients using this worker at once.
class InstanceGuard {
public:
explicit InstanceGuard(WorkerServiceImpl* impl)
: impl_(impl), acquired_(impl->TryAcquireInstance()) {}
~InstanceGuard() {
if (acquired_) {
impl_->ReleaseInstance();
}
}
bool Acquired() const { return acquired_; }
private:
WorkerServiceImpl* const impl_;
const bool acquired_;
};
bool TryAcquireInstance() {
std::lock_guard<std::mutex> g(mu_);
if (acquired_) return false;
acquired_ = true;
return true;
}
void ReleaseInstance() {
std::lock_guard<std::mutex> g(mu_);
GPR_ASSERT(acquired_);
acquired_ = false;
}
Status RunClientBody(ServerContext* /*ctx*/,
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ServerReaderWriter<ClientStatus, ClientArgs>* stream) {
ClientArgs args;
if (!stream->Read(&args)) {
return Status(StatusCode::INVALID_ARGUMENT, "Couldn't read args");
}
if (!args.has_setup()) {
return Status(StatusCode::INVALID_ARGUMENT, "Invalid setup arg");
}
gpr_log(GPR_INFO, "RunClientBody: about to create client");
std::unique_ptr<Client> client = CreateClient(args.setup());
if (!client) {
return Status(StatusCode::INVALID_ARGUMENT, "Couldn't create client");
}
gpr_log(GPR_INFO, "RunClientBody: client created");
ClientStatus status;
if (!stream->Write(status)) {
return Status(StatusCode::UNKNOWN, "Client couldn't report init status");
}
gpr_log(GPR_INFO, "RunClientBody: creation status reported");
while (stream->Read(&args)) {
gpr_log(GPR_INFO, "RunClientBody: Message read");
if (!args.has_mark()) {
gpr_log(GPR_INFO, "RunClientBody: Message is not a mark!");
return Status(StatusCode::INVALID_ARGUMENT, "Invalid mark");
}
*status.mutable_stats() = client->Mark(args.mark().reset());
if (!stream->Write(status)) {
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return Status(StatusCode::UNKNOWN, "Client couldn't respond to mark");
}
gpr_log(GPR_INFO, "RunClientBody: Mark response given");
}
gpr_log(GPR_INFO, "RunClientBody: Awaiting Threads Completion");
client->AwaitThreadsCompletion();
gpr_log(GPR_INFO, "RunClientBody: Returning");
return Status::OK;
}
Status RunServerBody(ServerContext* /*ctx*/,
ServerReaderWriter<ServerStatus, ServerArgs>* stream) {
ServerArgs args;
if (!stream->Read(&args)) {
return Status(StatusCode::INVALID_ARGUMENT, "Couldn't read server args");
}
if (!args.has_setup()) {
return Status(StatusCode::INVALID_ARGUMENT, "Bad server creation args");
}
if (server_port_ > 0 && args.setup().port() == 0) {
args.mutable_setup()->set_port(server_port_);
}
gpr_log(GPR_INFO, "RunServerBody: about to create server");
std::unique_ptr<Server> server = CreateServer(args.setup());
if (g_inproc_servers != nullptr) {
g_inproc_servers->push_back(server.get());
}
if (!server) {
return Status(StatusCode::INVALID_ARGUMENT, "Couldn't create server");
}
gpr_log(GPR_INFO, "RunServerBody: server created");
ServerStatus status;
status.set_port(server->port());
status.set_cores(server->cores());
if (!stream->Write(status)) {
return Status(StatusCode::UNKNOWN, "Server couldn't report init status");
}
gpr_log(GPR_INFO, "RunServerBody: creation status reported");
while (stream->Read(&args)) {
gpr_log(GPR_INFO, "RunServerBody: Message read");
if (!args.has_mark()) {
gpr_log(GPR_INFO, "RunServerBody: Message not a mark!");
return Status(StatusCode::INVALID_ARGUMENT, "Invalid mark");
}
*status.mutable_stats() = server->Mark(args.mark().reset());
if (!stream->Write(status)) {
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return Status(StatusCode::UNKNOWN, "Server couldn't respond to mark");
}
gpr_log(GPR_INFO, "RunServerBody: Mark response given");
}
gpr_log(GPR_INFO, "RunServerBody: Returning");
return Status::OK;
}
std::mutex mu_;
bool acquired_;
int server_port_;
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QpsWorker* worker_;
};
QpsWorker::QpsWorker(int driver_port, int server_port,
const std::string& credential_type) {
impl_ = std::make_unique<WorkerServiceImpl>(server_port, this);
gpr_atm_rel_store(&done_, static_cast<gpr_atm>(0));
std::unique_ptr<ServerBuilder> builder = CreateQpsServerBuilder();
builder->AddChannelArgument(GRPC_ARG_ALLOW_REUSEPORT, 0);
if (driver_port >= 0) {
std::string server_address = grpc_core::JoinHostPort("::", driver_port);
builder->AddListeningPort(
server_address.c_str(),
GetCredentialsProvider()->GetServerCredentials(credential_type));
}
builder->RegisterService(impl_.get());
server_ = builder->BuildAndStart();
if (server_ == nullptr) {
gpr_log(GPR_ERROR,
"QpsWorker: Fail to BuildAndStart(driver_port=%d, server_port=%d)",
driver_port, server_port);
} else {
gpr_log(GPR_INFO,
"QpsWorker: BuildAndStart(driver_port=%d, server_port=%d) done",
driver_port, server_port);
}
}
QpsWorker::~QpsWorker() {}
bool QpsWorker::Done() const {
return (gpr_atm_acq_load(&done_) != static_cast<gpr_atm>(0));
}
void QpsWorker::MarkDone() {
gpr_atm_rel_store(&done_, static_cast<gpr_atm>(1));
}
} // namespace testing
} // namespace grpc