86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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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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#pragma once
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#include <cstddef>
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#include <cstdint>
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#include <functional>
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#include <future>
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#include <mutex>
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#include <string>
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#include <vector>
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#include <json/json.h>
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#include "common/libs/fs/shared_fd.h"
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namespace cuttlefish {
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class VsockConnection {
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public:
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virtual ~VsockConnection();
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virtual bool Connect(unsigned int port, unsigned int cid) = 0;
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virtual void Disconnect();
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std::future<bool> ConnectAsync(unsigned int port, unsigned int cid);
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void SetDisconnectCallback(std::function<void()> callback);
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bool IsConnected() const;
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bool DataAvailable() const;
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int32_t Read();
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bool Read(std::vector<char>& data);
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std::vector<char> Read(size_t size);
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std::future<std::vector<char>> ReadAsync(size_t size);
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bool ReadMessage(std::vector<char>& data);
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std::vector<char> ReadMessage();
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std::future<std::vector<char>> ReadMessageAsync();
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Json::Value ReadJsonMessage();
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std::future<Json::Value> ReadJsonMessageAsync();
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bool Write(int32_t data);
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bool Write(const char* data, unsigned int size);
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bool Write(const std::vector<char>& data);
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bool WriteMessage(const std::string& data);
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bool WriteMessage(const std::vector<char>& data);
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bool WriteMessage(const Json::Value& data);
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bool WriteStrides(const char* data, unsigned int size,
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unsigned int num_strides, int stride_size);
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protected:
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std::recursive_mutex read_mutex_;
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std::recursive_mutex write_mutex_;
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std::function<void()> disconnect_callback_;
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SharedFD fd_;
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};
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class VsockClientConnection : public VsockConnection {
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public:
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bool Connect(unsigned int port, unsigned int cid) override;
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};
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class VsockServerConnection : public VsockConnection {
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public:
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virtual ~VsockServerConnection();
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void ServerShutdown();
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bool Connect(unsigned int port, unsigned int cid) override;
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private:
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SharedFD server_fd_;
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};
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} // namespace cuttlefish
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