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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "test/cpp/qps/qps_worker.h"
#include <memory>
#include <mutex>
#include <sstream>
#include <string>
#include <thread>
#include <vector>
#include <grpc++/client_context.h>
#include <grpc++/security/server_credentials.h>
#include <grpc++/server.h>
#include <grpc++/server_builder.h>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/cpu.h>
#include <grpc/support/histogram.h>
#include <grpc/support/host_port.h>
#include <grpc/support/log.h>
#include "src/proto/grpc/testing/services.pb.h"
#include "test/core/util/grpc_profiler.h"
#include "test/cpp/qps/client.h"
#include "test/cpp/qps/server.h"
#include "test/cpp/util/create_test_channel.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 (config.rpc_type() == RpcType::UNARY)
? CreateSynchronousUnaryClient(config)
: CreateSynchronousStreamingClient(config);
case ClientType::ASYNC_CLIENT:
return (config.rpc_type() == RpcType::UNARY)
? CreateAsyncUnaryClient(config)
: (config.payload_config().has_bytebuf_params()
? CreateGenericAsyncStreamingClient(config)
: CreateAsyncStreamingClient(config));
default:
abort();
}
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);
default:
abort();
}
abort();
}
class ScopedProfile GRPC_FINAL {
public:
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 GRPC_FINAL : public WorkerService::Service {
public:
WorkerServiceImpl(int server_port, QpsWorker* worker)
: acquired_(false), server_port_(server_port), worker_(worker) {}
Status RunClient(ServerContext* ctx,
ServerReaderWriter<ClientStatus, ClientArgs>* stream)
GRPC_OVERRIDE {
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;
}
Status RunServer(ServerContext* ctx,
ServerReaderWriter<ServerStatus, ServerArgs>* stream)
GRPC_OVERRIDE {
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) GRPC_OVERRIDE {
resp->set_cores(gpr_cpu_num_cores());
return Status::OK;
}
Status QuitWorker(ServerContext* ctx, const Void*, Void*) GRPC_OVERRIDE {
InstanceGuard g(this);
if (!g.Acquired()) {
return Status(StatusCode::RESOURCE_EXHAUSTED, "Quitting worker busy");
}
worker_->MarkDone();
return Status::OK;
}
private:
// Protect against multiple clients using this worker at once.
class InstanceGuard {
public:
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,
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");
auto 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)) {
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.mutable_setup()->set_port(server_port_);
}
gpr_log(GPR_INFO, "RunServerBody: about to create server");
auto server = CreateServer(args.setup());
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)) {
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_;
QpsWorker* worker_;
};
QpsWorker::QpsWorker(int driver_port, int server_port) {
impl_.reset(new WorkerServiceImpl(server_port, this));
gpr_atm_rel_store(&done_, static_cast<gpr_atm>(0));
char* server_address = NULL;
gpr_join_host_port(&server_address, "::", driver_port);
ServerBuilder builder;
builder.AddListeningPort(server_address, InsecureServerCredentials());
builder.RegisterService(impl_.get());
gpr_free(server_address);
server_ = builder.BuildAndStart();
}
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
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