android13/packages/modules/DnsResolver/tests/doh_frontend.h

91 lines
2.9 KiB
C++

/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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.
*
*/
#pragma once
#include <mutex>
#include <string>
#include <android-base/thread_annotations.h>
#include "tests/doh/include/lib.rs.h"
namespace test {
/*
* The wrapper between tests and Rust DoH frontend.
* It is designed to be as close as possible to DnsTlsFrontend, so we can write one test for
* both DoT and DoH.
*/
class DohFrontend {
public:
DohFrontend(const std::string& listen_address = kDefaultListenAddr,
const std::string& listen_service = kDefaultListenService,
const std::string& backend_address = kDefaultBackendAddr,
const std::string& backend_service = kDefaultBackendService)
: mAddress(listen_address),
mService(listen_service),
mBackendAddress(backend_address),
mBackendService(backend_service) {}
~DohFrontend();
std::string listen_address() const { return mAddress; }
std::string listen_service() const { return mService; }
bool startServer();
bool stopServer();
// Returns the number of received DoH queries.
int queries() const;
// Returns the number of accepted DoH connections.
int connections() const;
// Returns the number of alive DoH connections.
int aliveConnections() const;
// Returns the number of connections using session resumption.
int resumedConnections() const;
void clearQueries();
bool block_sending(bool block);
bool waitForAllClientsDisconnected() const;
// To make the configuration effective, callers need to restart the DoH server after calling
// these methods.
bool setMaxIdleTimeout(uint64_t value);
bool setMaxBufferSize(uint64_t value);
bool setMaxStreamsBidi(uint64_t value);
static void initRustAndroidLogger() { rust::init_android_logger(); }
static constexpr char kDefaultListenAddr[] = "127.0.0.3";
static constexpr char kDefaultListenService[] = "443";
static constexpr char kDefaultBackendAddr[] = "127.0.0.3";
static constexpr char kDefaultBackendService[] = "53";
private:
const std::string mAddress;
const std::string mService;
const std::string mBackendAddress;
const std::string mBackendService;
mutable std::mutex mMutex;
rust::DohFrontend* mRustDoh GUARDED_BY(mMutex) = nullptr;
};
} // namespace test