00001 /*---------------------------------------------------------------------\ 00002 | ____ _ __ __ ___ | 00003 | |__ / \ / / . \ . \ | 00004 | / / \ V /| _/ _/ | 00005 | / /__ | | | | | | | 00006 | /_____||_| |_| |_| | 00007 | | 00008 \---------------------------------------------------------------------*/ 00012 #ifndef ZYPP_SOURCE_PACKAGEPROVIDER_H 00013 #define ZYPP_SOURCE_PACKAGEPROVIDER_H 00014 00015 #include <iosfwd> 00016 00017 #include "zypp/base/NonCopyable.h" 00018 00019 #include "zypp/ZYppCallbacks.h" 00020 #include "zypp/Source.h" 00021 #include "zypp/Package.h" 00022 #include "zypp/source/ManagedFile.h" 00023 00025 namespace zypp 00026 { 00027 00028 namespace source 00029 { 00030 00032 // 00033 // CLASS NAME : PackageProviderPolicy 00034 // 00036 class PackageProviderPolicy 00037 { 00038 public: 00040 typedef function<bool ( const std::string &, const Edition & )> QueryInstalledCB; 00041 00043 PackageProviderPolicy & queryInstalledCB( QueryInstalledCB queryInstalledCB_r ) 00044 { _queryInstalledCB = queryInstalledCB_r; return *this; } 00045 00047 bool queryInstalled( const std::string & name_r, const Edition & ed_r = Edition() ) const; 00048 00049 private: 00050 QueryInstalledCB _queryInstalledCB; 00051 }; 00053 00055 // 00056 // CLASS NAME : PackageProvider 00057 // 00061 class PackageProvider : private base::NonCopyable 00062 { 00063 typedef shared_ptr<void> ScopedGuard; 00064 typedef callback::SendReport<source::DownloadResolvableReport> Report; 00065 00066 typedef detail::ResImplTraits<Package::Impl>::constPtr PackageImpl_constPtr; 00067 typedef packagedelta::DeltaRpm DeltaRpm; 00068 typedef packagedelta::PatchRpm PatchRpm; 00069 00070 00071 public: 00073 PackageProvider( const Package::constPtr & package, 00074 const PackageProviderPolicy & policy_r = PackageProviderPolicy() ); 00075 ~PackageProvider(); 00076 00077 public: 00081 ManagedFile providePackage() const; 00082 00083 private: 00084 ManagedFile doProvidePackage() const; 00085 ManagedFile tryDelta( const DeltaRpm & delta_r ) const; 00086 ManagedFile tryPatch( const PatchRpm & patch_r ) const; 00087 00088 private: 00089 ScopedGuard newReport() const; 00090 Report & report() const; 00091 bool progressDeltaDownload( int value ) const; 00092 void progressDeltaApply( int value ) const; 00093 bool progressPatchDownload( int value ) const; 00094 bool progressPackageDownload( int value ) const; 00095 bool failOnChecksumError() const; 00096 bool queryInstalled( const Edition & ed_r = Edition() ) const; 00097 00098 private: 00099 PackageProviderPolicy _policy; 00100 Package::constPtr _package; 00101 PackageImpl_constPtr _implPtr; 00102 mutable bool _retry; 00103 mutable shared_ptr<Report> _report; 00104 00105 }; 00107 00109 } // namespace source 00112 } // namespace zypp 00114 #endif // ZYPP_SOURCE_PACKAGEPROVIDER_H
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