apt-pkg/install-progress.h

   1 #ifndef PKGLIB_IPROGRESS_H
   2 #define PKGLIB_IPROGRESS_H
   3
   4 #include <string>
   5 #include <unistd.h>
   6 #include <signal.h>
   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     /* Global Start/Stop */
  31     virtual void Start() {};
  32     virtual void Stop() {};
  33
  34     /* When dpkg is invoked (may happen multiple times for each
  35      * install/remove block
  36     */
  37     virtual void StartDpkg() {};
  38
  39     virtual pid_t fork() {return fork(); };
  40
  41     virtual void Pulse() {};
  42     virtual long GetPulseInterval() {
  43          return 500000;
  44     };
  45
  46     virtual bool StatusChanged(std::string PackageName,
  47                                unsigned int StepsDone,
  48                                unsigned int TotalSteps,
  49                                std::string HumanReadableAction) ;
  50     virtual void Error(std::string PackageName,
  51                        unsigned int StepsDone,
  52                        unsigned int TotalSteps,
  53                        std::string ErrorMessage) {};
  54     virtual void ConffilePrompt(std::string PackageName,
  55                                 unsigned int StepsDone,
  56                                 unsigned int TotalSteps,
  57                                 std::string ConfMessage) {};
  58  };
  59
  60  class PackageManagerProgressFd : public PackageManager
  61  {
  62  protected:
  63     int OutStatusFd;
  64     int StepsDone;
  65     int StepsTotal;
  66     void WriteToStatusFd(std::string msg);
  67
  68  public:
  69     PackageManagerProgressFd(int progress_fd);
  70
  71     virtual void StartDpkg();
  72     virtual void Stop();
  73
  74     virtual bool StatusChanged(std::string PackageName,
  75                                unsigned int StepsDone,
  76                                unsigned int TotalSteps,
  77                                std::string HumanReadableAction);
  78     virtual void Error(std::string PackageName,
  79                        unsigned int StepsDone,
  80                        unsigned int TotalSteps,
  81                           std::string ErrorMessage);
  82     virtual void ConffilePrompt(std::string PackageName,
  83                                 unsigned int StepsDone,
  84                                 unsigned int TotalSteps,
  85                                    std::string ConfMessage);
  86
  87  };
  88
  89  class PackageManagerProgressDeb822Fd : public PackageManager
  90  {
  91  protected:
  92     int OutStatusFd;
  93     int StepsDone;
  94     int StepsTotal;
  95     void WriteToStatusFd(std::string msg);
  96
  97  public:
  98     PackageManagerProgressDeb822Fd(int progress_fd);
  99
 100     virtual void StartDpkg();
 101     virtual void Stop();
 102
 103     virtual bool StatusChanged(std::string PackageName,
 104                                unsigned int StepsDone,
 105                                unsigned int TotalSteps,
 106                                std::string HumanReadableAction);
 107     virtual void Error(std::string PackageName,
 108                        unsigned int StepsDone,
 109                        unsigned int TotalSteps,
 110                           std::string ErrorMessage);
 111     virtual void ConffilePrompt(std::string PackageName,
 112                                 unsigned int StepsDone,
 113                                 unsigned int TotalSteps,
 114                                    std::string ConfMessage);
 115  };
 116
 117  class PackageManagerFancy : public PackageManager
 118  {
 119  protected:
 120     static void SetupTerminalScrollArea(int nr_rows);
 121     static int GetNumberTerminalRows();
 122     static void HandleSIGWINCH(int);
 123     sighandler_t old_SIGWINCH;
 124
 125  public:
 126     PackageManagerFancy();
 127     ~PackageManagerFancy();
 128     virtual void Start();
 129     virtual void Stop();
 130     virtual bool StatusChanged(std::string PackageName,
 131                                unsigned int StepsDone,
 132                                unsigned int TotalSteps,
 133                                std::string HumanReadableAction);
 134  };
 135
 136  class PackageManagerText : public PackageManager
 137  {
 138  public:
 139     virtual bool StatusChanged(std::string PackageName,
 140                                unsigned int StepsDone,
 141                                unsigned int TotalSteps,
 142                                std::string HumanReadableAction);
 143  };
 144
 145
 146 }; // namespace Progress
 147 }; // namespace APT
 148
 149 #endif