cleanup

[apt.git] / apt-pkg / edsp.cc

diff --git a/apt-pkg/edsp.cc b/apt-pkg/edsp.cc
index ce9ad250cf7eb7f0b6b2f6c4fc30f53f2f13d68a..0d0418e0633c52c191dde8d4b4a6f38448db2465 100644 (file)
--- a/apt-pkg/edsp.cc
+++ b/apt-pkg/edsp.cc
@@ -5,19 +5,39 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

+#include <config.h>
+

 #include <apt-pkg/edsp.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/edsp.h>
 #include <apt-pkg/error.h>

+#include <apt-pkg/cacheset.h>

 #include <apt-pkg/configuration.h>
 #include <apt-pkg/configuration.h>

-#include <apt-pkg/version.h>
-#include <apt-pkg/policy.h>

 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/tagfile.h>

+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/progress.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/pkgrecords.h>

 
 

-#include <apti18n.h>
+#include <ctype.h>
+#include <stddef.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <algorithm>
+#include <iostream>
+#include <vector>

 #include <limits>
 #include <limits>

+#include <string>
+#include <list>

 
 

-#include <stdio.h>
+#include <apti18n.h>

                                                                        /*}}}*/
 
                                                                        /*}}}*/
 

+using std::string;
+

 // we could use pkgCache::DepType and ::Priority, but these would be localized strings…
 const char * const EDSP::PrioMap[] = {0, "important", "required", "standard",
                                      "optional", "extra"};
 // we could use pkgCache::DepType and ::Priority, but these would be localized strings…
 const char * const EDSP::PrioMap[] = {0, "important", "required", "standard",
                                      "optional", "extra"};


@@ -26,29 +46,48 @@ const char * const EDSP::DepMap[] = {"", "Depends", "Pre-Depends", "Suggests",
                                     "Obsoletes", "Breaks", "Enhances"};
 
 // EDSP::WriteScenario - to the given file descriptor                  /*{{{*/
                                     "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)

 {
 {

+   if (Progress != NULL)
+      Progress->SubProgress(Cache.Head().VersionCount, _("Send scenario to solver"));
+   unsigned long p = 0;
+   std::vector<std::string> archs = APT::Configuration::getArchitectures();

    for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
    for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)

-      for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
+   {
+      std::string const arch = Pkg.Arch();
+      if (std::find(archs.begin(), archs.end(), arch) == archs.end())
+        continue;
+      for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver, ++p)

       {
         WriteScenarioVersion(Cache, output, Pkg, Ver);
       {
         WriteScenarioVersion(Cache, output, Pkg, Ver);

-        WriteScenarioDependency(Cache, output, Pkg, Ver);
+        WriteScenarioDependency(output, Ver);

         fprintf(output, "\n");
         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,
    return true;
 }
                                                                        /*}}}*/
 // EDSP::WriteLimitedScenario - to the given file descriptor           /*{{{*/
 bool EDSP::WriteLimitedScenario(pkgDepCache &Cache, FILE* output,

-                               APT::PackageSet const &pkgset)
+                               APT::PackageSet const &pkgset,
+                               OpProgress *Progress)

 {
 {

-   for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
+   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)
       {
         WriteScenarioVersion(Cache, output, Pkg, Ver);
       for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
       {
         WriteScenarioVersion(Cache, output, Pkg, Ver);

-        WriteScenarioLimitedDependency(Cache, output, Pkg, Ver, pkgset);
+        WriteScenarioLimitedDependency(output, Ver, pkgset);

         fprintf(output, "\n");
         fprintf(output, "\n");

+        if (Progress != NULL && p % 100 == 0)
+           Progress->Progress(p);

       }
       }

+   if (Progress != NULL)
+      Progress->Done();

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -56,7 +95,12 @@ bool EDSP::WriteLimitedScenario(pkgDepCache &Cache, FILE* output,
 void EDSP::WriteScenarioVersion(pkgDepCache &Cache, FILE* output, pkgCache::PkgIterator const &Pkg,
                                pkgCache::VerIterator const &Ver)
 {
 void EDSP::WriteScenarioVersion(pkgDepCache &Cache, FILE* output, pkgCache::PkgIterator const &Pkg,
                                pkgCache::VerIterator const &Ver)
 {

+   pkgRecords Recs(Cache);
+   pkgRecords::Parser &rec = Recs.Lookup(Ver.FileList());
+   string srcpkg = rec.SourcePkg().empty() ? Pkg.Name() : rec.SourcePkg();
+

    fprintf(output, "Package: %s\n", Pkg.Name());
    fprintf(output, "Package: %s\n", Pkg.Name());

+   fprintf(output, "Source: %s\n", srcpkg.c_str());

    fprintf(output, "Architecture: %s\n", Ver.Arch());
    fprintf(output, "Version: %s\n", Ver.VerStr());
    if (Pkg.CurrentVer() == Ver)
    fprintf(output, "Architecture: %s\n", Ver.Arch());
    fprintf(output, "Version: %s\n", Ver.VerStr());
    if (Pkg.CurrentVer() == Ver)


@@ -69,17 +113,29 @@ void EDSP::WriteScenarioVersion(pkgDepCache &Cache, FILE* output, pkgCache::PkgI
    if ((Pkg->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
       fprintf(output, "Essential: yes\n");
    fprintf(output, "Section: %s\n", Ver.Section());
    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)
+   if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)

       fprintf(output, "Multi-Arch: allowed\n");
       fprintf(output, "Multi-Arch: allowed\n");

-   else if (Ver->MultiArch == pkgCache::Version::Foreign || Ver->MultiArch == pkgCache::Version::AllForeign)
+   else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign)

       fprintf(output, "Multi-Arch: foreign\n");
       fprintf(output, "Multi-Arch: foreign\n");

-   else if (Ver->MultiArch == pkgCache::Version::Same)
+   else if ((Ver->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)

       fprintf(output, "Multi-Arch: same\n");
    signed short Pin = std::numeric_limits<signed short>::min();
       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());
+   std::set<string> Releases;
+   for (pkgCache::VerFileIterator I = Ver.FileList(); I.end() == false; ++I) {
+      pkgCache::PkgFileIterator File = I.File();
+      signed short const p = Cache.GetPolicy().GetPriority(File);

       if (Pin < p)
         Pin = p;
       if (Pin < p)
         Pin = p;

+      if ((File->Flags & pkgCache::Flag::NotSource) != pkgCache::Flag::NotSource) {
+        string Release = File.RelStr();
+        if (!Release.empty())
+           Releases.insert(Release);
+      }
+   }
+   if (!Releases.empty()) {
+       fprintf(output, "APT-Release:\n");
+       for (std::set<string>::iterator R = Releases.begin(); R != Releases.end(); ++R)
+          fprintf(output, " %s\n", R->c_str());

    }
    fprintf(output, "APT-Pin: %d\n", Pin);
    if (Cache.GetCandidateVer(Pkg) == Ver)
    }
    fprintf(output, "APT-Pin: %d\n", Pin);
    if (Cache.GetCandidateVer(Pkg) == Ver)


@@ -89,15 +145,13 @@ void EDSP::WriteScenarioVersion(pkgDepCache &Cache, FILE* output, pkgCache::PkgI
 }
                                                                        /*}}}*/
 // EDSP::WriteScenarioDependency                                       /*{{{*/
 }
                                                                        /*}}}*/
 // EDSP::WriteScenarioDependency                                       /*{{{*/

-void EDSP::WriteScenarioDependency(pkgDepCache &Cache, FILE* output, pkgCache::PkgIterator const &Pkg,
-                               pkgCache::VerIterator const &Ver)
+void EDSP::WriteScenarioDependency( FILE* output, pkgCache::VerIterator const &Ver)

 {
    std::string dependencies[pkgCache::Dep::Enhances + 1];
    bool orGroup = false;
    for (pkgCache::DepIterator Dep = Ver.DependsList(); Dep.end() == false; ++Dep)
    {
 {
    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)
+      if (Dep.IsMultiArchImplicit() == true)

         continue;
       if (orGroup == false)
         dependencies[Dep->Type].append(", ");
         continue;
       if (orGroup == false)
         dependencies[Dep->Type].append(", ");


@@ -118,8 +172,7 @@ void EDSP::WriteScenarioDependency(pkgDepCache &Cache, FILE* output, pkgCache::P
    string provides;
    for (pkgCache::PrvIterator Prv = Ver.ProvidesList(); Prv.end() == false; ++Prv)
    {
    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)
+      if (Prv.IsMultiArchImplicit() == true)

         continue;
       provides.append(", ").append(Prv.Name());
    }
         continue;
       provides.append(", ").append(Prv.Name());
    }


@@ -128,8 +181,7 @@ void EDSP::WriteScenarioDependency(pkgDepCache &Cache, FILE* output, pkgCache::P
 }
                                                                        /*}}}*/
 // EDSP::WriteScenarioLimitedDependency                                        /*{{{*/
 }
                                                                        /*}}}*/
 // EDSP::WriteScenarioLimitedDependency                                        /*{{{*/

-void EDSP::WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
-                                         pkgCache::PkgIterator const &Pkg,
+void EDSP::WriteScenarioLimitedDependency(FILE* output,

                                          pkgCache::VerIterator const &Ver,
                                          APT::PackageSet const &pkgset)
 {
                                          pkgCache::VerIterator const &Ver,
                                          APT::PackageSet const &pkgset)
 {


@@ -137,8 +189,7 @@ void EDSP::WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
    bool orGroup = false;
    for (pkgCache::DepIterator Dep = Ver.DependsList(); Dep.end() == false; ++Dep)
    {
    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)
+      if (Dep.IsMultiArchImplicit() == true)

         continue;
       if (orGroup == false)
       {
         continue;
       if (orGroup == false)
       {


@@ -171,8 +222,7 @@ void EDSP::WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
    string provides;
    for (pkgCache::PrvIterator Prv = Ver.ProvidesList(); Prv.end() == false; ++Prv)
    {
    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)
+      if (Prv.IsMultiArchImplicit() == true)

         continue;
       if (pkgset.find(Prv.ParentPkg()) == pkgset.end())
         continue;
         continue;
       if (pkgset.find(Prv.ParentPkg()) == pkgset.end())
         continue;


@@ -184,21 +234,38 @@ void EDSP::WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
                                                                        /*}}}*/
 // EDSP::WriteRequest - to the given file descriptor                   /*{{{*/
 bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,
                                                                        /*}}}*/
 // 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;
    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;
       string* req;

-      if (Cache[Pkg].Delete() == true)
+      pkgDepCache::StateCache &P = Cache[Pkg];
+      if (P.Delete() == true)

         req = &del;
         req = &del;

-      else if (Cache[Pkg].NewInstall() == true || Cache[Pkg].Upgrade() == true)
+      else if (P.NewInstall() == true || P.Upgrade() == true || P.ReInstall() == true ||
+              (P.Mode == pkgDepCache::ModeKeep && (P.iFlags & pkgDepCache::Protected) == pkgDepCache::Protected))

         req = &inst;
       else
         continue;
       req->append(" ").append(Pkg.FullName());
    }
         req = &inst;
       else
         continue;
       req->append(" ").append(Pkg.FullName());
    }

-   fprintf(output, "Request: EDSP 0.4\n");
+   fprintf(output, "Request: EDSP 0.5\n");
+
+   const char *arch = _config->Find("APT::Architecture").c_str();
+   std::vector<string> archs = APT::Configuration::getArchitectures();
+   fprintf(output, "Architecture: %s\n", arch);
+   fprintf(output, "Architectures:");
+   for (std::vector<string>::const_iterator a = archs.begin(); a != archs.end(); ++a)
+       fprintf(output, " %s", a->c_str());
+   fprintf(output, "\n");
+

    if (del.empty() == false)
       fprintf(output, "Remove: %s\n", del.c_str()+1);
    if (inst.empty() == false)
    if (del.empty() == false)
       fprintf(output, "Remove: %s\n", del.c_str()+1);
    if (inst.empty() == false)


@@ -212,7 +279,7 @@ bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,
    if (_config->FindB("APT::Solver::Strict-Pinning", true) == false)
       fprintf(output, "Strict-Pinning: no\n");
    string solverpref("APT::Solver::");
    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");
+   solverpref.append(_config->Find("APT::Solver", "internal")).append("::Preferences");

    if (_config->Exists(solverpref) == true)
       fprintf(output, "Preferences: %s\n", _config->Find(solverpref,"").c_str());
    fprintf(output, "\n");
    if (_config->Exists(solverpref) == true)
       fprintf(output, "Preferences: %s\n", _config->Find(solverpref,"").c_str());
    fprintf(output, "\n");


@@ -221,7 +288,7 @@ bool EDSP::WriteRequest(pkgDepCache &Cache, FILE* output, bool const Upgrade,
 }
                                                                        /*}}}*/
 // EDSP::ReadResponse - from the given file descriptor                 /*{{{*/
 }
                                                                        /*}}}*/
 // 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
        /* 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


@@ -247,15 +314,26 @@ bool EDSP::ReadResponse(int const input, pkgDepCache &Cache) {
                else if (section.Exists("Remove") == true)
                        type = "Remove";
                else if (section.Exists("Progress") == true) {
                else if (section.Exists("Remove") == true)
                        type = "Remove";
                else if (section.Exists("Progress") == true) {

-                       std::clog << TimeRFC1123(time(NULL)) << " ";
-                       ioprintf(std::clog, "[ %3d%% ] ", section.FindI("Percentage", 0));
-                       std::clog << section.FindS("Progress") << " - ";
-                       string const msg = section.FindS("Message");
-                       if (msg.empty() == true)
-                               std::clog << "Solver is still working on the solution" << std::endl;
-                       else
-                               std::clog << msg << std::endl;
+                       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;
                        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("%s", 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
                } else if (section.Exists("Autoremove") == true)
                        type = "Autoremove";
                else


@@ -273,7 +351,7 @@ bool EDSP::ReadResponse(int const input, pkgDepCache &Cache) {
                pkgCache::VerIterator Ver(Cache.GetCache(), Cache.GetCache().VerP + VerIdx[id]);
                Cache.SetCandidateVersion(Ver);
                if (type == "Install")
                pkgCache::VerIterator Ver(Cache.GetCache(), Cache.GetCache().VerP + VerIdx[id]);
                Cache.SetCandidateVersion(Ver);
                if (type == "Install")

-                       Cache.MarkInstall(Ver.ParentPkg(), false, false);
+                       Cache.MarkInstall(Ver.ParentPkg(), false, 0, false);

                else if (type == "Remove")
                        Cache.MarkDelete(Ver.ParentPkg(), false);
                else if (type == "Autoremove") {
                else if (type == "Remove")
                        Cache.MarkDelete(Ver.ParentPkg(), false);
                else if (type == "Autoremove") {


@@ -367,6 +445,13 @@ bool EDSP::ReadRequest(int const input, std::list<std::string> &install,
            distUpgrade = EDSP::StringToBool(line.c_str() + 14, false);
         else if (line.compare(0, 11, "Autoremove:") == 0)
            autoRemove = EDSP::StringToBool(line.c_str() + 12, false);
            distUpgrade = EDSP::StringToBool(line.c_str() + 14, false);
         else if (line.compare(0, 11, "Autoremove:") == 0)
            autoRemove = EDSP::StringToBool(line.c_str() + 12, false);

+        else if (line.compare(0, 13, "Architecture:") == 0)
+           _config->Set("APT::Architecture", line.c_str() + 14);
+        else if (line.compare(0, 14, "Architectures:") == 0)
+        {
+           std::string const archs = line.c_str() + 15;
+           _config->Set("APT::Architectures", SubstVar(archs, " ", ","));
+        }

         else
            _error->Warning("Unknown line in EDSP Request stanza: %s", line.c_str());
 
         else
            _error->Warning("Unknown line in EDSP Request stanza: %s", line.c_str());
 


@@ -438,7 +523,6 @@ bool EDSP::WriteSolution(pkgDepCache &Cache, FILE* output)
         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(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;
       }
       else
         continue;


@@ -457,10 +541,15 @@ bool EDSP::WriteProgress(unsigned short const percent, const char* const message
        return true;
 }
                                                                        /*}}}*/
        return true;
 }
                                                                        /*}}}*/

-bool EDSP::WriteError(std::string const &message, FILE* output) { return false; }
-
+// 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     {{{*/
 // EDSP::ExecuteSolver - fork requested solver and setup ipc pipes     {{{*/

-bool EDSP::ExecuteSolver(const char* const solver, int *solver_in, int *solver_out) {
+pid_t EDSP::ExecuteSolver(const char* const solver, int * const solver_in, int * const solver_out, bool) {

        std::vector<std::string> const solverDirs = _config->FindVector("Dir::Bin::Solvers");
        std::string file;
        for (std::vector<std::string>::const_iterator dir = solverDirs.begin();
        std::vector<std::string> const solverDirs = _config->FindVector("Dir::Bin::Solvers");
        std::string file;
        for (std::vector<std::string>::const_iterator dir = solverDirs.begin();


@@ -472,10 +561,16 @@ bool EDSP::ExecuteSolver(const char* const solver, int *solver_in, int *solver_o
        }
 
        if (file.empty() == true)
        }
 
        if (file.empty() == true)

-               return _error->Error("Can't call external solver '%s' as it is not in a configured directory!", solver);
+       {
+               _error->Error("Can't call external solver '%s' as it is not in a configured directory!", solver);
+               return 0;
+       }

        int external[4] = {-1, -1, -1, -1};
        if (pipe(external) != 0 || pipe(external + 2) != 0)
        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");
+       {
+               _error->Errno("Resolve", "Can't create needed IPC pipes for EDSP");
+               return 0;
+       }

        for (int i = 0; i < 4; ++i)
                SetCloseExec(external[i], true);
 
        for (int i = 0; i < 4; ++i)
                SetCloseExec(external[i], true);
 


@@ -492,31 +587,47 @@ bool EDSP::ExecuteSolver(const char* const solver, int *solver_in, int *solver_o
        close(external[3]);
 
        if (WaitFd(external[1], true, 5) == false)
        close(external[3]);
 
        if (WaitFd(external[1], true, 5) == false)

-               return _error->Errno("Resolve", "Timed out while Waiting on availability of solver stdin");
+       {
+               _error->Errno("Resolve", "Timed out while Waiting on availability of solver stdin");
+               return 0;
+       }

 
        *solver_in = external[1];
        *solver_out = external[2];
 
        *solver_in = external[1];
        *solver_out = external[2];

-       return true;
+       return Solver;
+}
+bool EDSP::ExecuteSolver(const char* const solver, int *solver_in, int *solver_out) {
+   if (ExecuteSolver(solver, solver_in, solver_out, true) == 0)
+      return false;
+   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,
 }
                                                                        /*}}}*/
 // 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) {
+                        bool const autoRemove, OpProgress *Progress) {

        int solver_in, solver_out;
        int solver_in, solver_out;

-       if (EDSP::ExecuteSolver(solver, &solver_in, &solver_out) == false)
+       pid_t const solver_pid = EDSP::ExecuteSolver(solver, &solver_in, &solver_out, true);
+       if (solver_pid == 0)

                return false;
 
        FILE* output = fdopen(solver_in, "w");
        if (output == NULL)
                return _error->Errno("Resolve", "fdopen on solver stdin failed");
                return false;
 
        FILE* output = fdopen(solver_in, "w");
        if (output == NULL)
                return _error->Errno("Resolve", "fdopen on solver stdin failed");

-       EDSP::WriteRequest(Cache, output, upgrade, distUpgrade, autoRemove);
-       EDSP::WriteScenario(Cache, output);
+
+       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);
 
        fclose(output);
 

-       if (EDSP::ReadResponse(solver_out, Cache) == false)
-               return _error->Error("Reading solver response failed");
+       if (Progress != NULL)
+               Progress->OverallProgress(25, 100, 75, _("Execute external solver"));
+       if (EDSP::ReadResponse(solver_out, Cache, Progress) == false)
+               return false;

 
 

-       return true;
+       return ExecWait(solver_pid, solver);

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/