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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.
*
*/
#ifndef TEST_QPS_SERVER_H
#define TEST_QPS_SERVER_H
#include <grpc++/resource_quota.h>
#include <grpc++/security/server_credentials.h>
#include <grpc++/server_builder.h>
#include <grpc/support/cpu.h>
#include <grpc/support/log.h>
#include <vector>
#include "src/cpp/util/core_stats.h"
#include "src/proto/grpc/testing/control.pb.h"
#include "src/proto/grpc/testing/messages.pb.h"
#include "test/core/end2end/data/ssl_test_data.h"
#include "test/core/util/port.h"
#include "test/cpp/qps/usage_timer.h"
#include "test/cpp/util/test_credentials_provider.h"
namespace grpc {
namespace testing {
class Server {
public:
explicit Server(const ServerConfig& config)
: timer_(new UsageTimer), last_reset_poll_count_(0) {
cores_ = gpr_cpu_num_cores();
if (config.port()) { // positive for a fixed port, negative for inproc
port_ = config.port();
} else { // zero for dynamic port
port_ = grpc_pick_unused_port_or_die();
}
}
virtual ~Server() {}
ServerStats Mark(bool reset) {
UsageTimer::Result timer_result;
int cur_poll_count = GetPollCount();
int poll_count = cur_poll_count - last_reset_poll_count_;
if (reset) {
std::unique_ptr<UsageTimer> timer(new UsageTimer);
timer.swap(timer_);
timer_result = timer->Mark();
last_reset_poll_count_ = cur_poll_count;
} else {
timer_result = timer_->Mark();
}
grpc_stats_data core_stats;
grpc_stats_collect(&core_stats);
ServerStats stats;
stats.set_time_elapsed(timer_result.wall);
stats.set_time_system(timer_result.system);
stats.set_time_user(timer_result.user);
stats.set_total_cpu_time(timer_result.total_cpu_time);
stats.set_idle_cpu_time(timer_result.idle_cpu_time);
stats.set_cq_poll_count(poll_count);
CoreStatsToProto(core_stats, stats.mutable_core_stats());
return stats;
}
static bool SetPayload(PayloadType type, int size, Payload* payload) {
// TODO(yangg): Support UNCOMPRESSABLE payload.
if (type != PayloadType::COMPRESSABLE) {
return false;
}
payload->set_type(type);
// Don't waste time creating a new payload of identical size.
if (payload->body().length() != (size_t)size) {
std::unique_ptr<char[]> body(new char[size]());
payload->set_body(body.get(), size);
}
return true;
}
int port() const { return port_; }
int cores() const { return cores_; }
static std::shared_ptr<ServerCredentials> CreateServerCredentials(
const ServerConfig& config) {
if (config.has_security_params()) {
grpc::string type;
if (config.security_params().cred_type().empty()) {
type = kTlsCredentialsType;
} else {
type = config.security_params().cred_type();
}
return GetCredentialsProvider()->GetServerCredentials(type);
} else {
return InsecureServerCredentials();
}
}
virtual int GetPollCount() {
// For sync server.
return 0;
}
virtual std::shared_ptr<Channel> InProcessChannel(
const ChannelArguments& args) = 0;
protected:
static void ApplyConfigToBuilder(const ServerConfig& config,
ServerBuilder* builder) {
if (config.resource_quota_size() > 0) {
builder->SetResourceQuota(ResourceQuota("AsyncQpsServerTest")
.Resize(config.resource_quota_size()));
}
for (const auto& channel_arg : config.channel_args()) {
switch (channel_arg.value_case()) {
case ChannelArg::kStrValue:
builder->AddChannelArgument(channel_arg.name(),
channel_arg.str_value());
break;
case ChannelArg::kIntValue:
builder->AddChannelArgument(channel_arg.name(),
channel_arg.int_value());
break;
case ChannelArg::VALUE_NOT_SET:
gpr_log(GPR_ERROR, "Channel arg '%s' does not have a value",
channel_arg.name().c_str());
break;
}
}
}
private:
int port_;
int cores_;
std::unique_ptr<UsageTimer> timer_;
int last_reset_poll_count_;
};
std::unique_ptr<Server> CreateSynchronousServer(const ServerConfig& config);
std::unique_ptr<Server> CreateAsyncServer(const ServerConfig& config);
std::unique_ptr<Server> CreateAsyncGenericServer(const ServerConfig& config);
} // namespace testing
} // namespace grpc
#endif
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