process.h

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// Copyright (c) 2021 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_IPC_PROCESS_H
#define BITCOIN_IPC_PROCESS_H

#include <util/fs.h>

#include <memory>
#include <string>

namespace ipc {
class Protocol;

class Process
{
public:
    virtual ~Process() = default;

    virtual int spawn(const std::string& new_exe_name, const fs::path& argv0_path, int& pid) = 0;

    virtual int waitSpawned(int pid) = 0;

    virtual bool checkSpawned(int argc, char* argv[], int& fd) = 0;

    virtual int connect(const fs::path& data_dir,
                        const std::string& dest_exe_name,
                        std::string& address) = 0;

    virtual int bind(const fs::path& data_dir,
                     const std::string& exe_name,
                     std::string& address) = 0;
};

std::unique_ptr<Process> MakeProcess();
} // namespace ipc

#endif // BITCOIN_IPC_PROCESS_H