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
|
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
/* ######################################################################
This system provides the abstraction to use the scenario file as the
only source of package information to be able to feed the created file
back to APT for its own consumption (eat your own dogfood).
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
#include <config.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/debversion.h>
#include <apt-pkg/edspindexfile.h>
#include <apt-pkg/edspsystem.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/cacheiterators.h>
#include <apt-pkg/fileutl.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#include <string>
#include <vector>
/*}}}*/
// System::System - Constructor /*{{{*/
edspLikeSystem::edspLikeSystem(char const * const Label) : pkgSystem(Label, &debVS)
{
}
edspSystem::edspSystem() : edspLikeSystem("Debian APT solver interface")
{
}
eippSystem::eippSystem() : edspLikeSystem("Debian APT planer interface")
{
}
/*}}}*/
// System::Lock - Get the lock /*{{{*/
bool edspLikeSystem::Lock()
{
return true;
}
/*}}}*/
// System::UnLock - Drop a lock /*{{{*/
bool edspLikeSystem::UnLock(bool /*NoErrors*/)
{
return true;
}
/*}}}*/
// System::CreatePM - Create the underlying package manager /*{{{*/
// ---------------------------------------------------------------------
/* we can't use edsp input as input for real installations - just a
simulation can work, but everything else will fail bigtime */
pkgPackageManager *edspLikeSystem::CreatePM(pkgDepCache * /*Cache*/) const
{
return nullptr;
}
/*}}}*/
// System::Initialize - Setup the configuration space.. /*{{{*/
bool edspLikeSystem::Initialize(Configuration &Cnf)
{
Cnf.Set("Dir::Log", "/dev/null");
// state is included completely in the input files
Cnf.Set("Dir::Etc::preferences", "/dev/null");
Cnf.Set("Dir::Etc::preferencesparts", "/dev/null");
Cnf.Set("Dir::State::status","/dev/null");
Cnf.Set("Dir::State::extended_states","/dev/null");
Cnf.Set("Dir::State::lists","/dev/null");
// do not store an mmap cache
Cnf.Set("Dir::Cache::pkgcache", "");
Cnf.Set("Dir::Cache::srcpkgcache", "");
// the protocols only propose actions, not do them
Cnf.Set("Debug::NoLocking", "true");
Cnf.Set("APT::Get::Simulate", "true");
StatusFile.reset(nullptr);
return true;
}
bool edspSystem::Initialize(Configuration &Cnf)
{
if (edspLikeSystem::Initialize(Cnf) == false)
return false;
std::string const tmp = GetTempDir();
char tmpname[300];
snprintf(tmpname, sizeof(tmpname), "%s/apt-edsp-solver-XXXXXX", tmp.c_str());
if (nullptr == mkdtemp(tmpname))
return false;
tempDir = tmpname;
tempStatesFile = flCombine(tempDir, "extended_states");
Cnf.Set("Dir::State::extended_states", tempStatesFile);
tempPrefsFile = flCombine(tempDir, "apt_preferences");
Cnf.Set("Dir::Etc::preferences", tempPrefsFile);
return true;
}
/*}}}*/
// System::ArchiveSupported - Is a file format supported /*{{{*/
bool edspLikeSystem::ArchiveSupported(const char * /*Type*/)
{
return false;
}
/*}}}*/
// System::Score - Never use the EDSP system automatically /*{{{*/
signed edspLikeSystem::Score(Configuration const &)
{
return -1000;
}
/*}}}*/
// System::FindIndex - Get an index file for status files /*{{{*/
bool edspLikeSystem::FindIndex(pkgCache::PkgFileIterator File,
pkgIndexFile *&Found) const
{
if (StatusFile == 0)
return false;
if (StatusFile->FindInCache(*File.Cache()) == File)
{
Found = StatusFile.get();
return true;
}
return false;
}
/*}}}*/
bool edspSystem::AddStatusFiles(std::vector<pkgIndexFile *> &List) /*{{{*/
{
if (StatusFile == nullptr)
{
if (_config->Find("edsp::scenario", "") == "/nonexistent/stdin")
StatusFile.reset(new edspIndex("/nonexistent/stdin"));
else
StatusFile.reset(new edspIndex(_config->FindFile("edsp::scenario")));
}
List.push_back(StatusFile.get());
return true;
}
/*}}}*/
bool eippSystem::AddStatusFiles(std::vector<pkgIndexFile *> &List) /*{{{*/
{
if (StatusFile == nullptr)
{
if (_config->Find("eipp::scenario", "") == "/nonexistent/stdin")
StatusFile.reset(new eippIndex("/nonexistent/stdin"));
else
StatusFile.reset(new eippIndex(_config->FindFile("eipp::scenario")));
}
List.push_back(StatusFile.get());
return true;
}
/*}}}*/
edspLikeSystem::~edspLikeSystem() {}
edspSystem::~edspSystem()
{
if (tempDir.empty())
return;
RemoveFile("~edspSystem", tempStatesFile);
RemoveFile("~edspSystem", tempPrefsFile);
rmdir(tempDir.c_str());
}
eippSystem::~eippSystem() {}
APT_HIDDEN edspSystem edspSys;
APT_HIDDEN eippSystem eippSys;
|
