abstractspawnengine_p.h

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#ifndef ZYPPNG_IO_PRIVATE_ABSTRACTPROCESSBACKEND_H
#define ZYPPNG_IO_PRIVATE_ABSTRACTPROCESSBACKEND_H
 
#include <cstdint>
#include <string>
#include <vector>
#include <map>
#include <memory>
#include <optional>
 
#include <zypp/Pathname.h>
 
namespace zyppng {

  class AbstractSpawnEngine
  {
  public:

    using Environment = std::map<std::string,std::string>;
 
    AbstractSpawnEngine();
    virtual ~AbstractSpawnEngine();
 
    static std::unique_ptr<zyppng::AbstractSpawnEngine> createDefaultEngine ();
 
    int exitStatus () const;
    void setExitStatus ( const int state );
 
    const std::string &executedCommand () const;
    const std::string &execError() const;
    void setExecError ( const std::string & str );
 
    zypp::Pathname chroot() const;
    void setChroot( const zypp::Pathname &chroot );
 
    bool useDefaultLocale() const;
    void setUseDefaultLocale( bool defaultLocale );
 
    Environment environment() const;
    void setEnvironment( const Environment &environment );

    pid_t pid   ( );

    virtual bool start ( const char *const *argv, int stdin_fd, int stdout_fd, int stderr_fd )  = 0;
 
    virtual bool waitForExit ( const std::optional<uint64_t> &timeout = {} ) = 0;
    virtual bool isRunning ( bool wait = false ) = 0;

    virtual void notifyExited ( int status );
 
    bool dieWithParent() const;
    void setDieWithParent( bool dieWithParent );
 
    bool switchPgid() const;
    void setSwitchPgid(bool switchPgid);
 
    zypp::Pathname workingDirectory() const;
    void setWorkingDirectory(const zypp::Pathname &workingDirectory);
 
    const std::vector<int> &fdsToMap () const;
    void addFd ( int fd );
 
    int checkStatus(int status);
 
  protected:
    bool _useDefaultLocale = false;
    bool _dieWithParent = false;
 
    bool _switchPgid = false;
 
    pid_t _pid = -1;
    int _exitStatus = 0;
    std::string _execError;
    std::string _executedCommand;
    std::vector<std::string> _args;
    Environment _environment;
    zypp::Pathname _chroot;
    zypp::Pathname _workingDirectory;
    std::vector<int> _mapFds;
 
  };
 
} // namespace zyppng
 
#endif // ZYPPNG_IO_PRIVATE_ABSTRACTPROCESSBACKEND_H