job/datasource.hh

Go to the documentation of this file.

/* $Id: datasource.hh,v 1.3 2003/08/17 15:37:07 atterer Exp $ -*- C++ -*-
  __   _
  |_) /|  Copyright (C) 2003  |  richard@
  | \/¯|  Richard Atterer     |  atterer.net
  ¯ '` ¯
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License, version 2. See
  the file COPYING for details.

*/
#ifndef DATASOURCE_HH
#define DATASOURCE_HH

#include <config.h>

#include <job.hh>
#include <makeimagedl.fh>
#include <nocopy.hh>
#include <progress.fh>
//______________________________________________________________________

namespace Job {
  class DataSource;
}

class Job::DataSource : NoCopy {
public:

  class IO : public Job::IO {
  public:

    // Not overriding here:
    // virtual IO* job_removeIo(IO* rmIo);

    virtual void job_deleted() = 0;

    virtual void job_succeeded() = 0;

    virtual void job_failed(const string& message) = 0;

    virtual void job_message(const string& message) = 0;

    virtual void dataSource_dataSize(uint64 n) = 0;

    virtual void dataSource_data(const byte* data, unsigned size,
                                 uint64 currentSize) = 0;
  };
  //____________________

  IOSource<IO> io;

  DataSource() : io() { };
  virtual ~DataSource() { }

  virtual void run() = 0;

  virtual bool paused() const = 0;
  virtual void pause() = 0;
  virtual void cont() = 0;

  virtual const Progress* progress() const = 0;

  virtual const string& location() const = 0;
};

#endif

---