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-rw-r--r--apt-pkg/edsp.cc439
1 files changed, 347 insertions, 92 deletions
diff --git a/apt-pkg/edsp.cc b/apt-pkg/edsp.cc
index e6dc16536..218ce9f24 100644
--- a/apt-pkg/edsp.cc
+++ b/apt-pkg/edsp.cc
@@ -18,97 +18,196 @@
#include <stdio.h>
/*}}}*/
+// we could use pkgCache::DepType and ::Priority, but these would be localized strings…
+const char * const EDSP::PrioMap[] = {0, "important", "required", "standard",
+ "optional", "extra"};
+const char * const EDSP::DepMap[] = {"", "Depends", "Pre-Depends", "Suggests",
+ "Recommends" , "Conflicts", "Replaces",
+ "Obsoletes", "Breaks", "Enhances"};
+
// EDSP::WriteScenario - to the given file descriptor /*{{{*/
-bool EDSP::WriteScenario(pkgDepCache &Cache, FILE* output)
+bool EDSP::WriteScenario(pkgDepCache &Cache, FILE* output, OpProgress *Progress)
{
- // 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"};
-
+ if (Progress != NULL)
+ Progress->SubProgress(Cache.Head().VersionCount, _("Send scenario to solver"));
+ unsigned long p = 0;
for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
- {
+ for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver, ++p)
+ {
+ WriteScenarioVersion(Cache, output, Pkg, Ver);
+ WriteScenarioDependency(Cache, output, Pkg, Ver);
+ fprintf(output, "\n");
+ if (Progress != NULL && p % 100 == 0)
+ Progress->Progress(p);
+ }
+ return true;
+}
+ /*}}}*/
+// EDSP::WriteLimitedScenario - to the given file descriptor /*{{{*/
+bool EDSP::WriteLimitedScenario(pkgDepCache &Cache, FILE* output,
+ APT::PackageSet const &pkgset,
+ OpProgress *Progress)
+{
+ if (Progress != NULL)
+ Progress->SubProgress(Cache.Head().VersionCount, _("Send scenario to solver"));
+ unsigned long p = 0;
+ for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg, ++p)
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);
-
-
+ WriteScenarioVersion(Cache, output, Pkg, Ver);
+ WriteScenarioLimitedDependency(Cache, output, Pkg, Ver, pkgset);
fprintf(output, "\n");
+ if (Progress != NULL && p % 100 == 0)
+ Progress->Progress(p);
}
- }
+ if (Progress != NULL)
+ Progress->Done();
return true;
}
/*}}}*/
+// EDSP::WriteScenarioVersion /*{{{*/
+void EDSP::WriteScenarioVersion(pkgDepCache &Cache, FILE* output, pkgCache::PkgIterator const &Pkg,
+ pkgCache::VerIterator const &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 ||
+ (Cache[Pkg].Keep() == true && Cache[Pkg].Protect() == true))
+ fprintf(output, "Hold: yes\n");
+ fprintf(output, "APT-ID: %d\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");
+}
+ /*}}}*/
+// EDSP::WriteScenarioDependency /*{{{*/
+void EDSP::WriteScenarioDependency(pkgDepCache &Cache, FILE* output, pkgCache::PkgIterator const &Pkg,
+ pkgCache::VerIterator const &Ver)
+{
+ 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);
+}
+ /*}}}*/
+// EDSP::WriteScenarioLimitedDependency /*{{{*/
+void EDSP::WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
+ pkgCache::PkgIterator const &Pkg,
+ pkgCache::VerIterator const &Ver,
+ APT::PackageSet const &pkgset)
+{
+ 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)
+ {
+ if (pkgset.find(Dep.TargetPkg()) == pkgset.end())
+ continue;
+ dependencies[Dep->Type].append(", ");
+ }
+ else if (pkgset.find(Dep.TargetPkg()) == pkgset.end())
+ {
+ if ((Dep->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
+ continue;
+ dependencies[Dep->Type].erase(dependencies[Dep->Type].end()-3, dependencies[Dep->Type].end());
+ orGroup = false;
+ continue;
+ }
+ 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;
+ if (pkgset.find(Prv.ParentPkg()) == pkgset.end())
+ continue;
+ provides.append(", ").append(Prv.Name());
+ }
+ if (provides.empty() == false)
+ fprintf(output, "Provides: %s\n", provides.c_str()+2);
+}
+ /*}}}*/
// EDSP::WriteRequest - to the given file descriptor /*{{{*/
bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,
- bool const DistUpgrade, bool const AutoRemove)
+ bool const DistUpgrade, bool const AutoRemove,
+ OpProgress *Progress)
{
+ if (Progress != NULL)
+ Progress->SubProgress(Cache.Head().PackageCount, _("Send request to solver"));
+ unsigned long p = 0;
string del, inst;
- for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
+ for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg, ++p)
{
+ if (Progress != NULL && p % 100 == 0)
+ Progress->Progress(p);
string* req;
if (Cache[Pkg].Delete() == true)
req = &del;
@@ -118,7 +217,7 @@ bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,
continue;
req->append(" ").append(Pkg.FullName());
}
- fprintf(output, "Request: EDSP 0.2\n");
+ fprintf(output, "Request: EDSP 0.4\n");
if (del.empty() == false)
fprintf(output, "Remove: %s\n", del.c_str()+1);
if (inst.empty() == false)
@@ -141,26 +240,76 @@ bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,
}
/*}}}*/
// EDSP::ReadResponse - from the given file descriptor /*{{{*/
-bool EDSP::ReadResponse(int const input, pkgDepCache &Cache) {
+bool EDSP::ReadResponse(int const input, pkgDepCache &Cache, OpProgress *Progress) {
+ /* We build an map id to mmap offset here
+ In theory we could use the offset as ID, but then VersionCount
+ couldn't be used to create other versionmappings anymore and it
+ would be too easy for a (buggy) solver to segfault APT… */
+ unsigned long long const VersionCount = Cache.Head().VersionCount;
+ unsigned long VerIdx[VersionCount];
+ for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; ++P) {
+ for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
+ VerIdx[V->ID] = V.Index();
+ Cache[P].Marked = true;
+ Cache[P].Garbage = false;
+ }
+
FileFd in;
in.OpenDescriptor(input, FileFd::ReadOnly);
- pkgTagFile response(&in);
+ pkgTagFile response(&in, 100);
pkgTagSection section;
+
while (response.Step(section) == true) {
std::string type;
if (section.Exists("Install") == true)
type = "Install";
else if (section.Exists("Remove") == true)
type = "Remove";
- //FIXME: handle progress
+ else if (section.Exists("Progress") == true) {
+ if (Progress != NULL) {
+ string msg = section.FindS("Message");
+ if (msg.empty() == true)
+ msg = _("Prepare for receiving solution");
+ Progress->SubProgress(100, msg, section.FindI("Percentage", 0));
+ }
+ continue;
+ } else if (section.Exists("Error") == true) {
+ std::string msg = SubstVar(SubstVar(section.FindS("Message"), "\n .\n", "\n\n"), "\n ", "\n");
+ if (msg.empty() == true) {
+ msg = _("External solver failed without a proper error message");
+ _error->Error(msg.c_str());
+ } else
+ _error->Error("External solver failed with: %s", msg.substr(0,msg.find('\n')).c_str());
+ if (Progress != NULL)
+ Progress->Done();
+ std::cerr << "The solver encountered an error of type: " << section.FindS("Error") << std::endl;
+ std::cerr << "The following information might help you to understand what is wrong:" << std::endl;
+ std::cerr << msg << std::endl << std::endl;
+ return false;
+ } else if (section.Exists("Autoremove") == true)
+ type = "Autoremove";
else
continue;
- int const id = section.FindI(type.c_str(), -1);
- if (id == -1)
- return _error->Error("Unable to parse %s request!", type.c_str());
+ size_t const id = section.FindULL(type.c_str(), VersionCount);
+ if (id == VersionCount) {
+ _error->Warning("Unable to parse %s request with id value '%s'!", type.c_str(), section.FindS(type.c_str()).c_str());
+ continue;
+ } else if (id > Cache.Head().VersionCount) {
+ _error->Warning("ID value '%s' in %s request stanza is to high to refer to a known version!", section.FindS(type.c_str()).c_str(), type.c_str());
+ continue;
+ }
- //FIXME: find version by id and mark it correctly
+ pkgCache::VerIterator Ver(Cache.GetCache(), Cache.GetCache().VerP + VerIdx[id]);
+ Cache.SetCandidateVersion(Ver);
+ if (type == "Install")
+ Cache.MarkInstall(Ver.ParentPkg(), false, 0, false);
+ else if (type == "Remove")
+ Cache.MarkDelete(Ver.ParentPkg(), false);
+ else if (type == "Autoremove") {
+ Cache[Ver.ParentPkg()].Marked = false;
+ Cache[Ver.ParentPkg()].Garbage = true;
+ }
}
return true;
}
@@ -277,12 +426,22 @@ bool EDSP::ApplyRequest(std::list<std::string> const &install,
pkgDepCache &Cache)
{
for (std::list<std::string>::const_iterator i = install.begin();
- i != install.end(); ++i)
- Cache.MarkInstall(Cache.FindPkg(*i), false);
+ i != install.end(); ++i) {
+ pkgCache::PkgIterator P = Cache.FindPkg(*i);
+ if (P.end() == true)
+ _error->Warning("Package %s is not known, so can't be installed", i->c_str());
+ else
+ Cache.MarkInstall(P, false);
+ }
for (std::list<std::string>::const_iterator i = remove.begin();
- i != remove.end(); ++i)
- Cache.MarkDelete(Cache.FindPkg(*i));
+ i != remove.end(); ++i) {
+ pkgCache::PkgIterator P = Cache.FindPkg(*i);
+ if (P.end() == true)
+ _error->Warning("Package %s is not known, so can't be installed", i->c_str());
+ else
+ Cache.MarkDelete(P);
+ }
return true;
}
/*}}}*/
@@ -293,17 +452,113 @@ bool EDSP::WriteSolution(pkgDepCache &Cache, FILE* output)
for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
{
if (Cache[Pkg].Delete() == true)
- fprintf(output, "Remove: %d\n", Cache.GetCandidateVer(Pkg)->ID);
+ {
+ fprintf(output, "Remove: %d\n", Pkg.CurrentVer()->ID);
+ if (Debug == true)
+ fprintf(output, "Package: %s\nVersion: %s\n", Pkg.FullName().c_str(), Pkg.CurrentVer().VerStr());
+ }
else if (Cache[Pkg].NewInstall() == true || Cache[Pkg].Upgrade() == true)
+ {
fprintf(output, "Install: %d\n", Cache.GetCandidateVer(Pkg)->ID);
+ if (Debug == true)
+ fprintf(output, "Package: %s\nVersion: %s\n", Pkg.FullName().c_str(), Cache.GetCandidateVer(Pkg).VerStr());
+ }
+ else if (Cache[Pkg].Garbage == true)
+ {
+ fprintf(output, "Autoremove: %d\n", Pkg.CurrentVer()->ID);
+ if (Debug == true)
+ fprintf(output, "Package: %s\nVersion: %s\n", Pkg.FullName().c_str(), Pkg.CurrentVer().VerStr());
+ fprintf(stderr, "Autoremove: %s\nVersion: %s\n", Pkg.FullName().c_str(), Pkg.CurrentVer().VerStr());
+ }
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; }
+// EDSP::WriteProgess - pulse to the given file descriptor /*{{{*/
+bool EDSP::WriteProgress(unsigned short const percent, const char* const message, FILE* output) {
+ fprintf(output, "Progress: %s\n", TimeRFC1123(time(NULL)).c_str());
+ fprintf(output, "Percentage: %d\n", percent);
+ fprintf(output, "Message: %s\n\n", message);
+ fflush(output);
+ return true;
+}
+ /*}}}*/
+// EDSP::WriteError - format an error message to be send to file descriptor /*{{{*/
+bool EDSP::WriteError(char const * const uuid, std::string const &message, FILE* output) {
+ fprintf(output, "Error: %s\n", uuid);
+ fprintf(output, "Message: %s\n\n", SubstVar(SubstVar(message, "\n\n", "\n.\n"), "\n", "\n ").c_str());
+ return true;
+}
+ /*}}}*/
+// EDSP::ExecuteSolver - fork requested solver and setup ipc pipes {{{*/
+bool EDSP::ExecuteSolver(const char* const solver, int *solver_in, int *solver_out) {
+ std::vector<std::string> const solverDirs = _config->FindVector("Dir::Bin::Solvers");
+ std::string file;
+ for (std::vector<std::string>::const_iterator dir = solverDirs.begin();
+ dir != solverDirs.end(); ++dir) {
+ file = flCombine(*dir, solver);
+ if (RealFileExists(file.c_str()) == true)
+ break;
+ file.clear();
+ }
+
+ if (file.empty() == true)
+ return _error->Error("Can't call external solver '%s' as it is not in a configured directory!", solver);
+ int external[4] = {-1, -1, -1, -1};
+ if (pipe(external) != 0 || pipe(external + 2) != 0)
+ return _error->Errno("Resolve", "Can't create needed IPC pipes for EDSP");
+ for (int i = 0; i < 4; ++i)
+ SetCloseExec(external[i], true);
+
+ pid_t Solver = ExecFork();
+ if (Solver == 0) {
+ dup2(external[0], STDIN_FILENO);
+ dup2(external[3], STDOUT_FILENO);
+ const char* calling[2] = { file.c_str(), 0 };
+ execv(calling[0], (char**) calling);
+ std::cerr << "Failed to execute solver '" << solver << "'!" << std::endl;
+ _exit(100);
+ }
+ close(external[0]);
+ close(external[3]);
+
+ if (WaitFd(external[1], true, 5) == false)
+ return _error->Errno("Resolve", "Timed out while Waiting on availability of solver stdin");
+
+ *solver_in = external[1];
+ *solver_out = external[2];
+ return true;
+}
+ /*}}}*/
+// EDSP::ResolveExternal - resolve problems by asking external for help {{{*/
+bool EDSP::ResolveExternal(const char* const solver, pkgDepCache &Cache,
+ bool const upgrade, bool const distUpgrade,
+ bool const autoRemove, OpProgress *Progress) {
+ int solver_in, solver_out;
+ if (EDSP::ExecuteSolver(solver, &solver_in, &solver_out) == false)
+ return false;
+
+ FILE* output = fdopen(solver_in, "w");
+ if (output == NULL)
+ return _error->Errno("Resolve", "fdopen on solver stdin failed");
+
+ if (Progress != NULL)
+ Progress->OverallProgress(0, 100, 5, _("Execute external solver"));
+ EDSP::WriteRequest(Cache, output, upgrade, distUpgrade, autoRemove, Progress);
+ if (Progress != NULL)
+ Progress->OverallProgress(5, 100, 20, _("Execute external solver"));
+ EDSP::WriteScenario(Cache, output, Progress);
+ fclose(output);
+
+ if (Progress != NULL)
+ Progress->OverallProgress(25, 100, 75, _("Execute external solver"));
+ if (EDSP::ReadResponse(solver_out, Cache, Progress) == false)
+ return false;
+
+ return true;
+}
+ /*}}}*/
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