summaryrefslogtreecommitdiffstats
path: root/apt-pkg/install-progress.h
blob: 94b66ed9bf517a271414f1fefe3a1b81cf189a5d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
#ifndef PKGLIB_IPROGRESS_H
#define PKGLIB_IPROGRESS_H

#include <apt-pkg/macros.h>

#include <string>
#include <vector>
#include <signal.h>
#include <unistd.h>

namespace APT {
namespace Progress {

 class PackageManager;
 APT_PUBLIC PackageManager* PackageManagerProgressFactory();

 class APT_PUBLIC PackageManager
 {
 private:
    /** \brief dpointer placeholder */
    void * const d;

 protected:
    std::string progress_str;
    float percentage;
    int last_reported_progress;

 public:
    PackageManager();
    virtual ~PackageManager();

    /* Global Start/Stop */
    virtual void Start(int /*child_pty*/=-1) {};
    virtual void Stop() {};

    /* When dpkg is invoked (may happen multiple times for each
     * install/remove block
    */
    virtual void StartDpkg() {};

    virtual pid_t fork() {return ::fork(); };

    virtual void Pulse() {};
    virtual long GetPulseInterval() {
         return 50000000;
    };

    virtual bool StatusChanged(std::string PackageName,
                               unsigned int StepsDone,
                               unsigned int TotalSteps,
                               std::string HumanReadableAction);
    virtual void Error(std::string /*PackageName*/,
                       unsigned int /*StepsDone*/,
                       unsigned int /*TotalSteps*/,
                       std::string /*ErrorMessage*/) {}
    virtual void ConffilePrompt(std::string /*PackageName*/,
                                unsigned int /*StepsDone*/,
                                unsigned int /*TotalSteps*/,
                                std::string /*ConfMessage*/) {}
 };

 class APT_PUBLIC PackageManagerProgressFd : public PackageManager
 {
    void * const d;
 protected:
    int OutStatusFd;
    int StepsDone;
    int StepsTotal;
    void WriteToStatusFd(std::string msg);

 public:
    explicit PackageManagerProgressFd(int progress_fd);
    virtual ~PackageManagerProgressFd();

    virtual void StartDpkg() APT_OVERRIDE;
    virtual void Stop() APT_OVERRIDE;

    virtual bool StatusChanged(std::string PackageName,
                               unsigned int StepsDone,
                               unsigned int TotalSteps,
                               std::string HumanReadableAction) APT_OVERRIDE;
    virtual void Error(std::string PackageName,
                       unsigned int StepsDone,
                       unsigned int TotalSteps,
                          std::string ErrorMessage) APT_OVERRIDE;
    virtual void ConffilePrompt(std::string PackageName,
                                unsigned int StepsDone,
                                unsigned int TotalSteps,
                                   std::string ConfMessage) APT_OVERRIDE;

 };

 class APT_PUBLIC PackageManagerProgressDeb822Fd : public PackageManager
 {
    void * const d;
 protected:
    int OutStatusFd;
    int StepsDone;
    int StepsTotal;
    void WriteToStatusFd(std::string msg);

 public:
    explicit PackageManagerProgressDeb822Fd(int progress_fd);
    virtual ~PackageManagerProgressDeb822Fd();

    virtual void StartDpkg() APT_OVERRIDE;
    virtual void Stop() APT_OVERRIDE;

    virtual bool StatusChanged(std::string PackageName,
                               unsigned int StepsDone,
                               unsigned int TotalSteps,
                               std::string HumanReadableAction) APT_OVERRIDE;
    virtual void Error(std::string PackageName,
                       unsigned int StepsDone,
                       unsigned int TotalSteps,
                          std::string ErrorMessage) APT_OVERRIDE;
    virtual void ConffilePrompt(std::string PackageName,
                                unsigned int StepsDone,
                                unsigned int TotalSteps,
                                   std::string ConfMessage) APT_OVERRIDE;
 };

 class APT_PUBLIC PackageManagerFancy : public PackageManager
 {
    void * const d;
 private:
    APT_HIDDEN static void staticSIGWINCH(int);
    static std::vector<PackageManagerFancy*> instances;
    APT_HIDDEN bool DrawStatusLine();

 protected:
    void SetupTerminalScrollArea(int nr_rows);
    void HandleSIGWINCH(int);

    typedef struct {
       int rows;
       int columns;
    } TermSize;
    TermSize GetTerminalSize();

    sighandler_t old_SIGWINCH;
    int child_pty;

 public:
    PackageManagerFancy();
    virtual ~PackageManagerFancy();
    virtual void Start(int child_pty=-1) APT_OVERRIDE;
    virtual void Stop() APT_OVERRIDE;
    virtual bool StatusChanged(std::string PackageName,
                               unsigned int StepsDone,
                               unsigned int TotalSteps,
                               std::string HumanReadableAction) APT_OVERRIDE;

    // return a progress bar of the given size for the given progress 
    // percent between 0.0 and 1.0 in the form "[####...]"
    static std::string GetTextProgressStr(float percent, int OutputSize);
 };

 class APT_PUBLIC PackageManagerText : public PackageManager
 {
    void * const d;
 public:
    virtual bool StatusChanged(std::string PackageName,
                               unsigned int StepsDone,
                               unsigned int TotalSteps,
                               std::string HumanReadableAction) APT_OVERRIDE;

    PackageManagerText();
    virtual ~PackageManagerText();
 };


} // namespace Progress
} // namespace APT

#endif