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//
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//
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// Copyright 2017 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//
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#ifndef GRPC_TEST_CPP_MICROBENCHMARKS_FULLSTACK_CONTEXT_MUTATORS_H
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#define GRPC_TEST_CPP_MICROBENCHMARKS_FULLSTACK_CONTEXT_MUTATORS_H
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#include <grpc/support/log.h>
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#include <grpcpp/channel.h>
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#include <grpcpp/create_channel.h>
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#include <grpcpp/security/credentials.h>
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#include <grpcpp/security/server_credentials.h>
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#include <grpcpp/server.h>
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#include <grpcpp/server_builder.h>
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#include <grpcpp/server_context.h>
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#include "src/core/lib/gprpp/crash.h"
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#include "test/cpp/microbenchmarks/helpers.h"
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namespace grpc {
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namespace testing {
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//******************************************************************************
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// CONTEXT MUTATORS
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//
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static const int kPregenerateKeyCount = 100000;
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template <class F>
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auto MakeVector(size_t length, F f) -> std::vector<decltype(f())> {
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std::vector<decltype(f())> out;
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out.reserve(length);
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for (size_t i = 0; i < length; i++) {
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out.push_back(f());
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}
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return out;
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}
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class NoOpMutator {
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public:
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template <class ContextType>
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explicit NoOpMutator(ContextType* /*context*/) {}
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};
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template <int length>
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class RandomBinaryMetadata {
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public:
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static const std::string& Key() { return kKey; }
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static const std::string& Value() { return kValues[rand() % kValues.size()]; }
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private:
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static const std::string kKey;
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static const std::vector<std::string> kValues;
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static std::string GenerateOneString() {
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std::string s;
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s.reserve(length + 1);
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for (int i = 0; i < length; i++) {
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s += static_cast<char>(rand());
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}
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return s;
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}
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};
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template <int length>
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class RandomAsciiMetadata {
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public:
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static const std::string& Key() { return kKey; }
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static const std::string& Value() { return kValues[rand() % kValues.size()]; }
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private:
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static const std::string kKey;
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static const std::vector<std::string> kValues;
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static std::string GenerateOneString() {
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std::string s;
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s.reserve(length + 1);
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for (int i = 0; i < length; i++) {
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s += static_cast<char>(rand() % 26 + 'a');
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}
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return s;
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}
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};
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template <class Generator, int kNumKeys>
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class Client_AddMetadata : public NoOpMutator {
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public:
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explicit Client_AddMetadata(ClientContext* context) : NoOpMutator(context) {
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for (int i = 0; i < kNumKeys; i++) {
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context->AddMetadata(Generator::Key(), Generator::Value());
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}
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}
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};
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template <class Generator, int kNumKeys>
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class Server_AddInitialMetadata : public NoOpMutator {
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public:
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explicit Server_AddInitialMetadata(ServerContext* context)
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: NoOpMutator(context) {
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for (int i = 0; i < kNumKeys; i++) {
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context->AddInitialMetadata(Generator::Key(), Generator::Value());
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}
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}
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};
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// static initialization
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template <int length>
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const std::string RandomBinaryMetadata<length>::kKey = "foo-bin";
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template <int length>
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const std::vector<std::string> RandomBinaryMetadata<length>::kValues =
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MakeVector(kPregenerateKeyCount, GenerateOneString);
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template <int length>
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const std::string RandomAsciiMetadata<length>::kKey = "foo";
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template <int length>
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const std::vector<std::string> RandomAsciiMetadata<length>::kValues =
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MakeVector(kPregenerateKeyCount, GenerateOneString);
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} // namespace testing
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} // namespace grpc
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#endif // GRPC_TEST_CPP_MICROBENCHMARKS_FULLSTACK_CONTEXT_MUTATORS_H
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