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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
/* ######################################################################
Set of methods to help writing and reading everything needed for EDSP
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
#include <apt-pkg/edsp.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/version.h>
#include <apt-pkg/policy.h>
#include <apti18n.h>
#include <limits>
#include <stdio.h>
/*}}}*/
// EDSP::WriteScenario - to the given file descriptor /*{{{*/
bool EDSP::WriteScenario(pkgDepCache &Cache, FILE* output)
{
// we could use pkgCache::DepType and ::Priority, but these would be lokalized strings…
const char * const PrioMap[] = {0, "important", "required", "standard",
"optional", "extra"};
const char * const DepMap[] = {"", "Depends", "PreDepends", "Suggests",
"Recommends" , "Conflicts", "Replaces",
"Obsoletes", "Breaks", "Enhances"};
for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
{
for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
{
fprintf(output, "Package: %s\n", Pkg.Name());
fprintf(output, "Architecture: %s\n", Ver.Arch());
fprintf(output, "Version: %s\n", Ver.VerStr());
if (Pkg.CurrentVer() == Ver)
fprintf(output, "Installed: yes\n");
if (Pkg->SelectedState == pkgCache::State::Hold)
fprintf(output, "Hold: yes\n");
fprintf(output, "APT-ID: %u\n", Ver->ID);
fprintf(output, "Priority: %s\n", PrioMap[Ver->Priority]);
if ((Pkg->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
fprintf(output, "Essential: yes\n");
fprintf(output, "Section: %s\n", Ver.Section());
if (Ver->MultiArch == pkgCache::Version::Allowed || Ver->MultiArch == pkgCache::Version::AllAllowed)
fprintf(output, "Multi-Arch: allowed\n");
else if (Ver->MultiArch == pkgCache::Version::Foreign || Ver->MultiArch == pkgCache::Version::AllForeign)
fprintf(output, "Multi-Arch: foreign\n");
else if (Ver->MultiArch == pkgCache::Version::Same)
fprintf(output, "Multi-Arch: same\n");
signed short Pin = std::numeric_limits<signed short>::min();
for (pkgCache::VerFileIterator File = Ver.FileList(); File.end() == false; ++File) {
signed short const p = Cache.GetPolicy().GetPriority(File.File());
if (Pin < p)
Pin = p;
}
fprintf(output, "APT-Pin: %d\n", Pin);
if (Cache.GetCandidateVer(Pkg) == Ver)
fprintf(output, "APT-Candidate: yes\n");
if ((Cache[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto)
fprintf(output, "APT-Automatic: yes\n");
std::string dependencies[pkgCache::Dep::Enhances + 1];
bool orGroup = false;
for (pkgCache::DepIterator Dep = Ver.DependsList(); Dep.end() == false; ++Dep)
{
// Ignore implicit dependencies for multiarch here
if (strcmp(Pkg.Arch(), Dep.TargetPkg().Arch()) != 0)
continue;
if (orGroup == false)
dependencies[Dep->Type].append(", ");
dependencies[Dep->Type].append(Dep.TargetPkg().Name());
if (Dep->Version != 0)
dependencies[Dep->Type].append(" (").append(pkgCache::CompTypeDeb(Dep->CompareOp)).append(" ").append(Dep.TargetVer()).append(")");
if ((Dep->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
{
dependencies[Dep->Type].append(" | ");
orGroup = true;
}
else
orGroup = false;
}
for (int i = 1; i < pkgCache::Dep::Enhances + 1; ++i)
if (dependencies[i].empty() == false)
fprintf(output, "%s: %s\n", DepMap[i], dependencies[i].c_str()+2);
string provides;
for (pkgCache::PrvIterator Prv = Ver.ProvidesList(); Prv.end() == false; ++Prv)
{
// Ignore implicit provides for multiarch here
if (strcmp(Pkg.Arch(), Prv.ParentPkg().Arch()) != 0 || strcmp(Pkg.Name(),Prv.Name()) == 0)
continue;
provides.append(", ").append(Prv.Name());
}
if (provides.empty() == false)
fprintf(output, "Provides: %s\n", provides.c_str()+2);
fprintf(output, "\n");
}
}
return true;
}
/*}}}*/
// EDSP::WriteRequest - to the given file descriptor /*{{{*/
bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,
bool const DistUpgrade, bool const AutoRemove)
{
string del, inst;
for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
{
string* req;
if (Cache[Pkg].Delete() == true)
req = &del;
else if (Cache[Pkg].NewInstall() == true || Cache[Pkg].Upgrade() == true)
req = &inst;
else
continue;
req->append(", ").append(Pkg.FullName());
}
fprintf(output, "Request: EDSP 0.2\n");
if (del.empty() == false)
fprintf(output, "Remove: %s\n", del.c_str()+2);
if (inst.empty() == false)
fprintf(output, "Install: %s\n", inst.c_str()+2);
if (Upgrade == true)
fprintf(output, "Upgrade: yes\n");
if (DistUpgrade == true)
fprintf(output, "Dist-Upgrade: yes\n");
if (AutoRemove == true)
fprintf(output, "Autoremove: yes\n");
if (_config->FindB("APT::Solver::Strict-Pinning", true) == false)
fprintf(output, "Strict-Pinning: no\n");
string solverpref("APT::Solver::");
solverpref.append(_config->Find("APT::Solver::Name", "internal")).append("::Preferences");
if (_config->Exists(solverpref) == false)
fprintf(output, "Preferences: %s\n", _config->Find(solverpref,"").c_str());
return true;
}
/*}}}*/
bool EDSP::ReadResponse(FILE* input, pkgDepCache &Cache) { return false; }
bool EDSP::ReadRequest(FILE* input, std::list<std::string> &install,
std::list<std::string> &remove)
{ return false; }
bool EDSP::ApplyRequest(std::list<std::string> const &install,
std::list<std::string> const &remove,
pkgDepCache &Cache)
{ return false; }
// EDSP::WriteSolution - to the given file descriptor /*{{{*/
bool EDSP::WriteSolution(pkgDepCache &Cache, FILE* output)
{
bool const Debug = _config->FindB("Debug::EDSPWriter::WriteSolution", false);
for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
{
if (Cache[Pkg].Delete() == true)
fprintf(output, "Remove: %d\n", Cache.GetCandidateVer(Pkg)->ID);
else if (Cache[Pkg].NewInstall() == true || Cache[Pkg].Upgrade() == true)
fprintf(output, "Install: %d\n", Cache.GetCandidateVer(Pkg)->ID);
else
continue;
if (Debug == true)
fprintf(output, "Package: %s\nVersion: %s\n", Pkg.FullName().c_str(), Cache.GetCandidateVer(Pkg).VerStr());
fprintf(output, "\n");
}
return true;
}
/*}}}*/
bool EDSP::WriteError(std::string const &message, FILE* output) { return false; }
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