#include <apt-pkg/fileutl.h>
#include <stddef.h>
+#include <stdlib.h>
#include <unistd.h>
#include <string>
/*}}}*/
-class edspSystemPrivate {
- std::string tempDir;
- std::string tempStatesFile;
- std::string tempPrefsFile;
-
-public:
- edspSystemPrivate() {}
-
- void Initialize(Configuration &Cnf)
- {
- DeInitialize();
- Cnf.Set("Dir::State::extended_states", "/dev/null");
- Cnf.Set("Dir::Etc::preferences", "/dev/null");
- std::string const tmp = GetTempDir();
- char tmpname[100];
- snprintf(tmpname, sizeof(tmpname), "%s/apt-edsp-solver-XXXXXX", tmp.c_str());
- if (NULL == mkdtemp(tmpname))
- return;
- 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);
- }
-
- void DeInitialize()
- {
- if (tempDir.empty())
- return;
-
- RemoveFile("DeInitialize", tempStatesFile);
- RemoveFile("DeInitialize", tempPrefsFile);
- rmdir(tempDir.c_str());
- }
-
- ~edspSystemPrivate() { DeInitialize(); }
-};
-// System::edspSystem - Constructor /*{{{*/
-edspSystem::edspSystem() : pkgSystem("Debian APT solver interface", &debVS), d(new edspSystemPrivate()), StatusFile(NULL)
+// System::System - Constructor /*{{{*/
+edspLikeSystem::edspLikeSystem(char const * const Label) : pkgSystem(Label, &debVS)
{
}
- /*}}}*/
-// System::~debSystem - Destructor /*{{{*/
-edspSystem::~edspSystem()
+edspSystem::edspSystem() : edspLikeSystem("Debian APT solver interface")
{
- delete StatusFile;
- delete d;
}
/*}}}*/
// System::Lock - Get the lock /*{{{*/
-bool edspSystem::Lock()
+bool edspLikeSystem::Lock()
{
return true;
}
/*}}}*/
// System::UnLock - Drop a lock /*{{{*/
-bool edspSystem::UnLock(bool /*NoErrors*/)
+bool edspLikeSystem::UnLock(bool /*NoErrors*/)
{
return true;
}
// ---------------------------------------------------------------------
/* we can't use edsp input as input for real installations - just a
simulation can work, but everything else will fail bigtime */
-pkgPackageManager *edspSystem::CreatePM(pkgDepCache * /*Cache*/) const
+pkgPackageManager *edspLikeSystem::CreatePM(pkgDepCache * /*Cache*/) const
{
- return NULL;
+ return nullptr;
}
/*}}}*/
// System::Initialize - Setup the configuration space.. /*{{{*/
-bool edspSystem::Initialize(Configuration &Cnf)
+bool edspLikeSystem::Initialize(Configuration &Cnf)
{
- d->Initialize(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");
- if (StatusFile) {
- delete StatusFile;
- StatusFile = 0;
- }
+ 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 edspSystem::ArchiveSupported(const char * /*Type*/)
+bool edspLikeSystem::ArchiveSupported(const char * /*Type*/)
{
return false;
}
/*}}}*/
// System::Score - Never use the EDSP system automatically /*{{{*/
-signed edspSystem::Score(Configuration const &)
+signed edspLikeSystem::Score(Configuration const &)
{
return -1000;
}
/*}}}*/
-bool edspSystem::AddStatusFiles(std::vector<pkgIndexFile *> &List) /*{{{*/
-{
- if (StatusFile == 0)
- {
- if (_config->Find("edsp::scenario", "") == "/nonexistent/stdin")
- StatusFile = new edspIndex("/nonexistent/stdin");
- else
- StatusFile = new edspIndex(_config->FindFile("edsp::scenario"));
- }
- List.push_back(StatusFile);
- return true;
-}
- /*}}}*/
// System::FindIndex - Get an index file for status files /*{{{*/
-bool edspSystem::FindIndex(pkgCache::PkgFileIterator File,
+bool edspLikeSystem::FindIndex(pkgCache::PkgFileIterator File,
pkgIndexFile *&Found) const
{
if (StatusFile == 0)
return false;
if (StatusFile->FindInCache(*File.Cache()) == File)
{
- Found = StatusFile;
+ 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;
+}
+ /*}}}*/
+
+edspLikeSystem::~edspLikeSystem() {}
+edspSystem::~edspSystem()
+{
+ if (tempDir.empty())
+ return;
+
+ RemoveFile("~edspSystem", tempStatesFile);
+ RemoveFile("~edspSystem", tempPrefsFile);
+ rmdir(tempDir.c_str());
+}
APT_HIDDEN edspSystem edspSys;