libzypp 17.31.6
CommitPackageCache.cc
Go to the documentation of this file.
1/*---------------------------------------------------------------------\
2| ____ _ __ __ ___ |
3| |__ / \ / / . \ . \ |
4| / / \ V /| _/ _/ |
5| / /__ | | | | | | |
6| /_____||_| |_| |_| |
7| |
8\---------------------------------------------------------------------*/
12#include <iostream>
13#include <zypp/base/Logger.h>
14#include <zypp/base/Exception.h>
15
19
20using std::endl;
21
25#include <zypp/ResPool.h>
26
28namespace zypp
29{
31 namespace target
32 {
33
35 namespace {
40 struct QueryInstalledEditionHelper
41 {
42 bool operator()( const std::string & name_r, const Edition & ed_r, const Arch & arch_r ) const
43 {
44 rpm::librpmDb::db_const_iterator it;
45 for ( it.findByName( name_r ); *it; ++it )
46 {
47 if ( arch_r == it->tag_arch()
48 && ( ed_r == Edition::noedition || ed_r == it->tag_edition() ) )
49 {
50 return true;
51 }
52 }
53 return false;
54 }
55 };
56 } // namespace
58
60 //
61 // class RepoProvidePackage
62 //
64
66 {
68 std::list<Repository> _repos;
70 };
71
73 : _impl( new Impl )
74 {
75 const ResPool & pool( ResPool::instance() );
76 _impl->_repos.insert( _impl->_repos.begin(), pool.knownRepositoriesBegin(), pool.knownRepositoriesEnd() );
77 _impl->_packageProviderPolicy.queryInstalledCB( QueryInstalledEditionHelper() );
78 }
79
81 {}
82
83 ManagedFile RepoProvidePackage::operator()( const PoolItem & pi_r, bool fromCache_r )
84 {
85 ManagedFile ret;
86 if ( fromCache_r )
87 {
88 repo::PackageProvider pkgProvider( _impl->_access, pi_r, _impl->_packageProviderPolicy );
89 ret = pkgProvider.providePackageFromCache();
90 }
91 else if ( pi_r.isKind<Package>() ) // may make use of deltas
92 {
93 repo::DeltaCandidates deltas( _impl->_repos, pi_r.name() );
94 repo::PackageProvider pkgProvider( _impl->_access, pi_r, deltas, _impl->_packageProviderPolicy );
95 return pkgProvider.providePackage();
96 }
97 else // SrcPackage or throws
98 {
99 repo::PackageProvider pkgProvider( _impl->_access, pi_r, _impl->_packageProviderPolicy );
100 return pkgProvider.providePackage();
101 }
102 return ret;
103 }
104
106 //
107 // CLASS NAME : CommitPackageCache
108 //
110
112 : _pimpl( pimpl_r )
113 {
114 assert( _pimpl );
115 }
116
118 {
119 if ( getenv("ZYPP_COMMIT_NO_PACKAGE_CACHE") )
120 {
121 MIL << "$ZYPP_COMMIT_NO_PACKAGE_CACHE is set." << endl;
122 _pimpl.reset( new Impl( packageProvider_r ) ); // no cache
123 }
124 else
125 {
126 _pimpl.reset( new CommitPackageCacheReadAhead( packageProvider_r ) );
127 }
128 assert( _pimpl );
129 }
130
132 const PackageProvider & packageProvider_r )
133 : CommitPackageCache( packageProvider_r )
134 {}
135
137 {}
138
139 void CommitPackageCache::setCommitList( std::vector<sat::Solvable> commitList_r )
140 { _pimpl->setCommitList( commitList_r ); }
141
143 { return _pimpl->get( citem_r ); }
144
146 { return _pimpl->preloaded(); }
147
148 void CommitPackageCache::preloaded( bool newval_r )
149 { _pimpl->preloaded( newval_r ); }
150
151 /******************************************************************
152 **
153 ** FUNCTION NAME : operator<<
154 ** FUNCTION TYPE : std::ostream &
155 */
156 std::ostream & operator<<( std::ostream & str, const CommitPackageCache & obj )
157 { return str << *obj._pimpl; }
158
160 } // namespace target
163} // namespace zypp
Reference counted access to a Tp object calling a custom Dispose function when the last AutoDispose h...
Definition: AutoDispose.h:94
static const Edition noedition
Value representing noedition ("") This is in fact a valid Edition.
Definition: Edition.h:73
Package interface.
Definition: Package.h:33
Combining sat::Solvable and ResStatus.
Definition: PoolItem.h:51
Global ResObject pool.
Definition: ResPool.h:61
static ResPool instance()
Singleton ctor.
Definition: ResPool.cc:37
repository_iterator knownRepositoriesBegin() const
Definition: ResPool.cc:82
repository_iterator knownRepositoriesEnd() const
Definition: ResPool.cc:85
Candidate delta and patches for a package.
Policies and options for PackageProvider.
Provide a package from a Repo.
ManagedFile providePackage() const
Provide the package.
ManagedFile providePackageFromCache() const
Provide the package if it is cached.
Provides files from different repos.
Base for CommitPackageCache implementations (implements no chache).
Target::commit helper optimizing package provision.
void setCommitList(std::vector< sat::Solvable > commitList_r)
Download(commit) sequence of solvables to compute read ahead.
bool preloaded() const
Whether preloaded hint is set.
CommitPackageCache(const PackageProvider &packageProvider_r=RepoProvidePackage())
Ctor.
RW_pointer< Impl > _pimpl
Pointer to implementation.
ManagedFile get(const PoolItem &citem_r)
Provide a package.
function< ManagedFile(const PoolItem &pi, bool fromCache_r)> PackageProvider
ManagedFile operator()(const PoolItem &pi, bool fromCache_r)
Provide package optionally fron cache only.
String related utilities and Regular expression matching.
std::ostream & operator<<(std::ostream &str, const CommitPackageCache &obj)
Easy-to use interface to the ZYPP dependency resolver.
Definition: CodePitfalls.doc:2
std::string name() const
Definition: SolvableType.h:70
bool isKind(const ResKind &kind_r) const
Definition: SolvableType.h:64
repo::PackageProviderPolicy _packageProviderPolicy
#define MIL
Definition: Logger.h:96