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/*
*
* Copyright 2017 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_CPP_MICROBENCHMARKS_FULLSTACK_CONTEXT_MUTATORS_H
#define TEST_CPP_MICROBENCHMARKS_FULLSTACK_CONTEXT_MUTATORS_H
#include <grpc/support/log.h>
#include <grpcpp/channel.h>
#include <grpcpp/create_channel.h>
#include <grpcpp/security/credentials.h>
#include <grpcpp/security/server_credentials.h>
#include <grpcpp/server.h>
#include <grpcpp/server_builder.h>
#include <grpcpp/server_context.h>
#include "test/cpp/microbenchmarks/helpers.h"
namespace grpc {
namespace testing {
/*******************************************************************************
* CONTEXT MUTATORS
*/
static const int kPregenerateKeyCount = 100000;
template <class F>
auto MakeVector(size_t length, F f) -> std::vector<decltype(f())> {
std::vector<decltype(f())> out;
out.reserve(length);
for (size_t i = 0; i < length; i++) {
out.push_back(f());
}
return out;
}
class NoOpMutator {
public:
template <class ContextType>
explicit NoOpMutator(ContextType* /*context*/) {}
};
template <int length>
class RandomBinaryMetadata {
public:
static const std::string& Key() { return kKey; }
static const std::string& Value() { return kValues[rand() % kValues.size()]; }
private:
static const std::string kKey;
static const std::vector<std::string> kValues;
static std::string GenerateOneString() {
std::string s;
s.reserve(length + 1);
for (int i = 0; i < length; i++) {
s += static_cast<char>(rand());
}
return s;
}
};
template <int length>
class RandomAsciiMetadata {
public:
static const std::string& Key() { return kKey; }
static const std::string& Value() { return kValues[rand() % kValues.size()]; }
private:
static const std::string kKey;
static const std::vector<std::string> kValues;
static std::string GenerateOneString() {
std::string s;
s.reserve(length + 1);
for (int i = 0; i < length; i++) {
s += static_cast<char>(rand() % 26 + 'a');
}
return s;
}
};
template <class Generator, int kNumKeys>
class Client_AddMetadata : public NoOpMutator {
public:
explicit Client_AddMetadata(ClientContext* context) : NoOpMutator(context) {
for (int i = 0; i < kNumKeys; i++) {
context->AddMetadata(Generator::Key(), Generator::Value());
}
}
};
template <class Generator, int kNumKeys>
class Server_AddInitialMetadata : public NoOpMutator {
public:
explicit Server_AddInitialMetadata(ServerContext* context)
: NoOpMutator(context) {
for (int i = 0; i < kNumKeys; i++) {
context->AddInitialMetadata(Generator::Key(), Generator::Value());
}
}
};
// static initialization
template <int length>
const std::string RandomBinaryMetadata<length>::kKey = "foo-bin";
template <int length>
const std::vector<std::string> RandomBinaryMetadata<length>::kValues =
MakeVector(kPregenerateKeyCount, GenerateOneString);
template <int length>
const std::string RandomAsciiMetadata<length>::kKey = "foo";
template <int length>
const std::vector<std::string> RandomAsciiMetadata<length>::kValues =
MakeVector(kPregenerateKeyCount, GenerateOneString);
} // namespace testing
} // namespace grpc
#endif
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