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1 | #ifndef PKGLIB_IPROGRESS_H | |
2 | #define PKGLIB_IPROGRESS_H | |
3 | ||
4 | #include <apt-pkg/macros.h> | |
5 | ||
6 | #include <string> | |
7 | #include <unistd.h> | |
8 | #include <signal.h> | |
9 | #include <vector> | |
10 | ||
11 | namespace APT { | |
12 | namespace Progress { | |
13 | ||
14 | class PackageManager; | |
15 | PackageManager* PackageManagerProgressFactory(); | |
16 | ||
17 | class PackageManager | |
18 | { | |
19 | private: | |
20 | /** \brief dpointer placeholder */ | |
21 | void * const d; | |
22 | ||
23 | protected: | |
24 | std::string progress_str; | |
25 | float percentage; | |
26 | int last_reported_progress; | |
27 | ||
28 | public: | |
29 | PackageManager(); | |
30 | virtual ~PackageManager(); | |
31 | ||
32 | /* Global Start/Stop */ | |
33 | virtual void Start(int /*child_pty*/=-1) {}; | |
34 | virtual void Stop() {}; | |
35 | ||
36 | /* When dpkg is invoked (may happen multiple times for each | |
37 | * install/remove block | |
38 | */ | |
39 | virtual void StartDpkg() {}; | |
40 | ||
41 | virtual pid_t fork() {return fork(); }; | |
42 | ||
43 | virtual void Pulse() {}; | |
44 | virtual long GetPulseInterval() { | |
45 | return 500000; | |
46 | }; | |
47 | ||
48 | virtual bool StatusChanged(std::string PackageName, | |
49 | unsigned int StepsDone, | |
50 | unsigned int TotalSteps, | |
51 | std::string HumanReadableAction); | |
52 | virtual void Error(std::string /*PackageName*/, | |
53 | unsigned int /*StepsDone*/, | |
54 | unsigned int /*TotalSteps*/, | |
55 | std::string /*ErrorMessage*/) {} | |
56 | virtual void ConffilePrompt(std::string /*PackageName*/, | |
57 | unsigned int /*StepsDone*/, | |
58 | unsigned int /*TotalSteps*/, | |
59 | std::string /*ConfMessage*/) {} | |
60 | }; | |
61 | ||
62 | class PackageManagerProgressFd : public PackageManager | |
63 | { | |
64 | void * const d; | |
65 | protected: | |
66 | int OutStatusFd; | |
67 | int StepsDone; | |
68 | int StepsTotal; | |
69 | void WriteToStatusFd(std::string msg); | |
70 | ||
71 | public: | |
72 | explicit PackageManagerProgressFd(int progress_fd); | |
73 | virtual ~PackageManagerProgressFd(); | |
74 | ||
75 | virtual void StartDpkg() APT_OVERRIDE; | |
76 | virtual void Stop() APT_OVERRIDE; | |
77 | ||
78 | virtual bool StatusChanged(std::string PackageName, | |
79 | unsigned int StepsDone, | |
80 | unsigned int TotalSteps, | |
81 | std::string HumanReadableAction) APT_OVERRIDE; | |
82 | virtual void Error(std::string PackageName, | |
83 | unsigned int StepsDone, | |
84 | unsigned int TotalSteps, | |
85 | std::string ErrorMessage) APT_OVERRIDE; | |
86 | virtual void ConffilePrompt(std::string PackageName, | |
87 | unsigned int StepsDone, | |
88 | unsigned int TotalSteps, | |
89 | std::string ConfMessage) APT_OVERRIDE; | |
90 | ||
91 | }; | |
92 | ||
93 | class PackageManagerProgressDeb822Fd : public PackageManager | |
94 | { | |
95 | void * const d; | |
96 | protected: | |
97 | int OutStatusFd; | |
98 | int StepsDone; | |
99 | int StepsTotal; | |
100 | void WriteToStatusFd(std::string msg); | |
101 | ||
102 | public: | |
103 | explicit PackageManagerProgressDeb822Fd(int progress_fd); | |
104 | virtual ~PackageManagerProgressDeb822Fd(); | |
105 | ||
106 | virtual void StartDpkg() APT_OVERRIDE; | |
107 | virtual void Stop() APT_OVERRIDE; | |
108 | ||
109 | virtual bool StatusChanged(std::string PackageName, | |
110 | unsigned int StepsDone, | |
111 | unsigned int TotalSteps, | |
112 | std::string HumanReadableAction) APT_OVERRIDE; | |
113 | virtual void Error(std::string PackageName, | |
114 | unsigned int StepsDone, | |
115 | unsigned int TotalSteps, | |
116 | std::string ErrorMessage) APT_OVERRIDE; | |
117 | virtual void ConffilePrompt(std::string PackageName, | |
118 | unsigned int StepsDone, | |
119 | unsigned int TotalSteps, | |
120 | std::string ConfMessage) APT_OVERRIDE; | |
121 | }; | |
122 | ||
123 | class PackageManagerFancy : public PackageManager | |
124 | { | |
125 | void * const d; | |
126 | private: | |
127 | APT_HIDDEN static void staticSIGWINCH(int); | |
128 | static std::vector<PackageManagerFancy*> instances; | |
129 | APT_HIDDEN bool DrawStatusLine(); | |
130 | ||
131 | protected: | |
132 | void SetupTerminalScrollArea(int nr_rows); | |
133 | void HandleSIGWINCH(int); | |
134 | ||
135 | typedef struct { | |
136 | int rows; | |
137 | int columns; | |
138 | } TermSize; | |
139 | TermSize GetTerminalSize(); | |
140 | ||
141 | sighandler_t old_SIGWINCH; | |
142 | int child_pty; | |
143 | ||
144 | public: | |
145 | PackageManagerFancy(); | |
146 | virtual ~PackageManagerFancy(); | |
147 | virtual void Start(int child_pty=-1) APT_OVERRIDE; | |
148 | virtual void Stop() APT_OVERRIDE; | |
149 | virtual bool StatusChanged(std::string PackageName, | |
150 | unsigned int StepsDone, | |
151 | unsigned int TotalSteps, | |
152 | std::string HumanReadableAction) APT_OVERRIDE; | |
153 | ||
154 | // return a progress bar of the given size for the given progress | |
155 | // percent between 0.0 and 1.0 in the form "[####...]" | |
156 | static std::string GetTextProgressStr(float percent, int OutputSize); | |
157 | }; | |
158 | ||
159 | class PackageManagerText : public PackageManager | |
160 | { | |
161 | void * const d; | |
162 | public: | |
163 | virtual bool StatusChanged(std::string PackageName, | |
164 | unsigned int StepsDone, | |
165 | unsigned int TotalSteps, | |
166 | std::string HumanReadableAction) APT_OVERRIDE; | |
167 | ||
168 | PackageManagerText(); | |
169 | virtual ~PackageManagerText(); | |
170 | }; | |
171 | ||
172 | ||
173 | } // namespace Progress | |
174 | } // namespace APT | |
175 | ||
176 | #endif |