apt-pkg/install-progress.h

   1 #ifndef PKGLIB_IPROGRESS_H
   2 #define PKGLIB_IPROGRESS_H
   3
   4 #include <string>
   5 #include <unistd.h>
   6
   7
   8 namespace APT {
   9 namespace Progress {
  10
  11  class PackageManager;
  12  PackageManager* PackageManagerProgressFactory();
  13
  14  class PackageManager
  15  {
  16  private:
  17     /** \brief dpointer placeholder */
  18     void *d;
  19
  20  protected:
  21     std::string progress_str;
  22     float percentage;
  23     int last_reported_progress;
  24
  25  public:
  26     PackageManager()
  27        : percentage(0.0), last_reported_progress(-1) {};
  28     virtual ~PackageManager() {};
  29
  30     virtual void Start() {};
  31     virtual void Stop() {};
  32
  33     virtual pid_t fork() {return fork(); };
  34
  35     virtual void Pulse() {};
  36     virtual long GetPulseInterval() {
  37          return 500000;
  38     };
  39
  40     virtual bool StatusChanged(std::string PackageName,
  41                                unsigned int StepsDone,
  42                                unsigned int TotalSteps,
  43                                std::string HumanReadableAction) ;
  44     virtual void Error(std::string PackageName,
  45                        unsigned int StepsDone,
  46                        unsigned int TotalSteps,
  47                        std::string ErrorMessage) {};
  48     virtual void ConffilePrompt(std::string PackageName,
  49                                 unsigned int StepsDone,
  50                                 unsigned int TotalSteps,
  51                                 std::string ConfMessage) {};
  52  };
  53
  54  class PackageManagerProgressFd : public PackageManager
  55  {
  56  protected:
  57     int OutStatusFd;
  58     int StepsDone;
  59     int StepsTotal;
  60     void WriteToStatusFd(std::string msg);
  61
  62  public:
  63     PackageManagerProgressFd(int progress_fd);
  64
  65     virtual void Start();
  66     virtual void Stop();
  67
  68     virtual bool StatusChanged(std::string PackageName,
  69                                unsigned int StepsDone,
  70                                unsigned int TotalSteps,
  71                                std::string HumanReadableAction);
  72     virtual void Error(std::string PackageName,
  73                        unsigned int StepsDone,
  74                        unsigned int TotalSteps,
  75                           std::string ErrorMessage);
  76     virtual void ConffilePrompt(std::string PackageName,
  77                                 unsigned int StepsDone,
  78                                 unsigned int TotalSteps,
  79                                    std::string ConfMessage);
  80
  81  };
  82
  83  class PackageManagerProgressDeb822Fd : public PackageManager
  84  {
  85  protected:
  86     int OutStatusFd;
  87     int StepsDone;
  88     int StepsTotal;
  89     void WriteToStatusFd(std::string msg);
  90
  91  public:
  92     PackageManagerProgressDeb822Fd(int progress_fd);
  93
  94     virtual void Start();
  95     virtual void Stop();
  96
  97     virtual bool StatusChanged(std::string PackageName,
  98                                unsigned int StepsDone,
  99                                unsigned int TotalSteps,
 100                                std::string HumanReadableAction);
 101     virtual void Error(std::string PackageName,
 102                        unsigned int StepsDone,
 103                        unsigned int TotalSteps,
 104                           std::string ErrorMessage);
 105     virtual void ConffilePrompt(std::string PackageName,
 106                                 unsigned int StepsDone,
 107                                 unsigned int TotalSteps,
 108                                    std::string ConfMessage);
 109  };
 110
 111  class PackageManagerFancy : public PackageManager
 112  {
 113  protected:
 114     int nr_terminal_rows;
 115     void SetupTerminalScrollArea(int nr_rows);
 116
 117  public:
 118     PackageManagerFancy();
 119     virtual void Start();
 120     virtual void Stop();
 121     virtual bool StatusChanged(std::string PackageName,
 122                                unsigned int StepsDone,
 123                                unsigned int TotalSteps,
 124                                std::string HumanReadableAction);
 125  };
 126
 127  class PackageManagerText : public PackageManager
 128  {
 129  public:
 130     virtual bool StatusChanged(std::string PackageName,
 131                                unsigned int StepsDone,
 132                                unsigned int TotalSteps,
 133                                std::string HumanReadableAction);
 134  };
 135
 136
 137 }; // namespace Progress
 138 }; // namespace APT
 139
 140 #endif