libzypp  17.34.1
CommitPackageCache.cc
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12 #include <iostream>
13 #include <utility>
14 #include <zypp/base/Logger.h>
15 #include <zypp/base/Exception.h>
16 
20 
21 using std::endl;
22 
26 #include <zypp/ResPool.h>
27 
29 namespace zypp
30 {
31  namespace target
33  {
34 
36  namespace {
41  struct QueryInstalledEditionHelper
42  {
43  bool operator()( const std::string & name_r, const Edition & ed_r, const Arch & arch_r ) const
44  {
46  for ( it.findByName( name_r ); *it; ++it )
47  {
48  if ( arch_r == it->tag_arch()
49  && ( ed_r == Edition::noedition || ed_r == it->tag_edition() ) )
50  {
51  return true;
52  }
53  }
54  return false;
55  }
56  };
57  } // namespace
59 
61  //
62  // class RepoProvidePackage
63  //
65 
67  {
69  std::list<Repository> _repos;
71  };
72 
74  : _impl( new Impl )
75  {
76  const ResPool & pool( ResPool::instance() );
77  _impl->_repos.insert( _impl->_repos.begin(), pool.knownRepositoriesBegin(), pool.knownRepositoriesEnd() );
78  _impl->_packageProviderPolicy.queryInstalledCB( QueryInstalledEditionHelper() );
79  }
80 
82  {}
83 
84  ManagedFile RepoProvidePackage::operator()( const PoolItem & pi_r, bool fromCache_r )
85  {
86  ManagedFile ret;
87  if ( fromCache_r )
88  {
90  ret = pkgProvider.providePackageFromCache();
91  }
92  else if ( pi_r.isKind<Package>() ) // may make use of deltas
93  {
94  repo::DeltaCandidates deltas( _impl->_repos, pi_r.name() );
95  repo::PackageProvider pkgProvider( _impl->_access, pi_r, deltas, _impl->_packageProviderPolicy );
96  return pkgProvider.providePackage();
97  }
98  else // SrcPackage or throws
99  {
101  return pkgProvider.providePackage();
102  }
103  return ret;
104  }
105 
107  //
108  // CLASS NAME : CommitPackageCache
109  //
111 
113  : _pimpl( pimpl_r )
114  {
115  assert( _pimpl );
116  }
117 
119  {
120  if ( getenv("ZYPP_COMMIT_NO_PACKAGE_CACHE") )
121  {
122  MIL << "$ZYPP_COMMIT_NO_PACKAGE_CACHE is set." << endl;
123  _pimpl.reset( new Impl( std::move(packageProvider_r) ) ); // no cache
124  }
125  else
126  {
127  _pimpl.reset( new CommitPackageCacheReadAhead( std::move(packageProvider_r) ) );
128  }
129  assert( _pimpl );
130  }
131 
133  const PackageProvider & packageProvider_r )
134  : CommitPackageCache( packageProvider_r )
135  {}
136 
138  {}
139 
140  void CommitPackageCache::setCommitList( std::vector<sat::Solvable> commitList_r )
141  { _pimpl->setCommitList( std::move(commitList_r) ); }
142 
144  { return _pimpl->get( citem_r ); }
145 
147  { return _pimpl->preloaded(); }
148 
149  void CommitPackageCache::preloaded( bool newval_r )
150  { _pimpl->preloaded( newval_r ); }
151 
152  /******************************************************************
153  **
154  ** FUNCTION NAME : operator<<
155  ** FUNCTION TYPE : std::ostream &
156  */
157  std::ostream & operator<<( std::ostream & str, const CommitPackageCache & obj )
158  { return str << *obj._pimpl; }
159 
161  } // namespace target
164 } // namespace zypp
Candidate delta and patches for a package.
#define MIL
Definition: Logger.h:98
PackageProviderPolicy & queryInstalledCB(QueryInstalledCB queryInstalledCB_r)
Set callback.
Target::commit helper optimizing package provision.
repository_iterator knownRepositoriesBegin() const
Definition: ResPool.cc:83
db_const_iterator(const db_const_iterator &)
Policies and options for PackageProvider.
String related utilities and Regular expression matching.
RW_pointer< Impl > _pimpl
Pointer to implementation.
ManagedFile providePackageFromCache() const
Provide the package if it is cached.
repository_iterator knownRepositoriesEnd() const
Definition: ResPool.cc:86
ManagedFile providePackage() const
Provide the package.
virtual ManagedFile get(const PoolItem &citem_r)
Provide the package.
std::string name() const
Definition: SolvableType.h:70
ManagedFile operator()(const PoolItem &pi, bool fromCache_r)
Provide package optionally fron cache only.
Package interface.
Definition: Package.h:33
void setCommitList(std::vector< sat::Solvable > commitList_r)
std::ostream & operator<<(std::ostream &str, const CommitPackageCache &obj)
CommitPackageCache(PackageProvider packageProvider_r=RepoProvidePackage())
Ctor.
Base for CommitPackageCache implementations (implements no chache).
ManagedFile get(const PoolItem &citem_r)
Provide a package.
Provides files from different repos.
Global ResObject pool.
Definition: ResPool.h:61
bool preloaded() const
Whether preloaded hint is set.
Provide a package from a Repo.
Combining sat::Solvable and ResStatus.
Definition: PoolItem.h:50
bool isKind(const ResKind &kind_r) const
Definition: SolvableType.h:64
function< ManagedFile(const PoolItem &, bool)> PackageProvider
Easy-to use interface to the ZYPP dependency resolver.
Definition: Application.cc:19
void setCommitList(std::vector< sat::Solvable > commitList_r)
Download(commit) sequence of solvables to compute read ahead.
repo::PackageProviderPolicy _packageProviderPolicy
static const Edition noedition
Value representing noedition ("") This is in fact a valid Edition.
Definition: Edition.h:73
static ResPool instance()
Singleton ctor.
Definition: ResPool.cc:38