PosixProcess.h

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/*****************************************************************************
 * vim:tw=78
 *
 * Copyright (C) 2021 Bjarne von Horn (vh at igh dot de).
 *
 * This file is part of the PdCom library.
 *
 * The PdCom library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * The PdCom library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the PdCom library. If not, see <http://www.gnu.org/licenses/>.
 *
 *****************************************************************************/

#ifndef PDCOM5_POSIXPROCESS_H
#define PDCOM5_POSIXPROCESS_H

#include <chrono>
#include <memory>
#include <pdcom5_export.h>
#include <string>

namespace PdCom {


class PDCOM5_PUBLIC PosixProcess
{
  public:
    PosixProcess(const char *host, unsigned short port);

    explicit PosixProcess(int fd);


    virtual ~PosixProcess();

    PosixProcess(PosixProcess &&o)     = delete;
    PosixProcess(PosixProcess const &) = delete;

    PosixProcess &operator=(PosixProcess &&o) = delete;
    PosixProcess &operator=(PosixProcess const &) = delete;

  protected:
    int fd_;

    void posixWriteBuffered(const char *buf, size_t count);

    void posixWriteDirect(const char *buf, size_t count);


    int posixRead(char *buf, int count);

    void posixFlush();

    void setWriteTimeout(std::chrono::milliseconds ms);

    void reconnect(const char *host, unsigned short port);

  private:
    class Impl;
    std::shared_ptr<Impl> impl_;
};

}  // namespace PdCom

#endif  // PDCOM5_POSIXPROCESS_H