libzypp  17.35.8
repodownloaderwf.h
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9 #ifndef ZYPP_NG_REPODOWNLOADER_WORKFLOW_INCLUDED
10 #define ZYPP_NG_REPODOWNLOADER_WORKFLOW_INCLUDED
11 
12 
13 #include <zypp/RepoInfo.h>
14 #include <zypp/ng/repo/Downloader>
15 #include <zypp-core/zyppng/ui/ProgressObserver>
16 #include <zypp-core/zyppng/pipelines/AsyncResult>
17 #include <zypp-core/zyppng/pipelines/Expected>
18 #include <zypp-media/MediaException>
19 #include <zypp-media/ng/ProvideSpec>
20 #include <zypp-media/ng/LazyMediaHandle>
21 
22 #include <zypp/ManagedFile.h>
23 
24 
25 namespace zyppng {
26 
27  class Provide;
28  class MediaSyncFacade;
29 
30  class ProvideMediaHandle;
31  class SyncMediaHandle;
32 
35 
36  namespace RepoDownloaderWorkflow {
37  AsyncOpRef<expected<repo::AsyncDownloadContextRef>> downloadMasterIndex ( repo::AsyncDownloadContextRef dl, ProvideMediaHandle mediaHandle, zypp::filesystem::Pathname masterIndex_r );
39  expected<repo::SyncDownloadContextRef> downloadMasterIndex ( repo::SyncDownloadContextRef dl, SyncMediaHandle mediaHandle, zypp::filesystem::Pathname masterIndex_r );
40  expected<repo::SyncDownloadContextRef> downloadMasterIndex ( repo::SyncDownloadContextRef dl, SyncLazyMediaHandle mediaHandle, zypp::filesystem::Pathname masterIndex_r );
41 
42  AsyncOpRef<expected<zypp::RepoStatus>> repoStatus( repo::AsyncDownloadContextRef dl, ProvideMediaHandle mediaHandle );
43  AsyncOpRef<expected<zypp::RepoStatus> > repoStatus( repo::AsyncDownloadContextRef dl, AsyncLazyMediaHandle mediaHandle );
44  expected<zypp::RepoStatus> repoStatus( repo::SyncDownloadContextRef dl, SyncMediaHandle mediaHandle );
45  expected<zypp::RepoStatus> repoStatus( repo::SyncDownloadContextRef dl, SyncLazyMediaHandle mediaHandle );
46 
47  AsyncOpRef<expected<repo::AsyncDownloadContextRef>> download ( repo::AsyncDownloadContextRef dl, ProvideMediaHandle mediaHandle, ProgressObserverRef progressObserver = nullptr );
48  AsyncOpRef<expected<repo::AsyncDownloadContextRef> > download(repo::AsyncDownloadContextRef dl, AsyncLazyMediaHandle mediaHandle, ProgressObserverRef progressObserver);
49  expected<repo::SyncDownloadContextRef> download ( repo::SyncDownloadContextRef dl, SyncMediaHandle mediaHandle, ProgressObserverRef progressObserver = nullptr );
50  expected<repo::SyncDownloadContextRef> download(repo::SyncDownloadContextRef dl, SyncLazyMediaHandle mediaHandle, ProgressObserverRef progressObserver);
51 
52  template <typename MediaHandle>
53  auto downloadMediaInfo ( MediaHandle &&mediaHandle, const zypp::filesystem::Pathname &destdir ) {
54  using namespace zyppng::operators;
55  using ProvideType = typename std::decay_t<MediaHandle>::ParentType;
56 
57  // check if we have a async media handle
58  constexpr bool isAsync = std::is_same_v<ProvideType, Provide>;
59  auto provider = mediaHandle.parent();
60  if ( !provider )
61  return makeReadyResult<expected<zypp::ManagedFile>, isAsync>( expected<zypp::ManagedFile>::error(ZYPP_EXCPT_PTR(zypp::media::MediaException("Invalid handle"))) );
62 
63  return provider->provide( std::forward<MediaHandle>(mediaHandle), "/media.1/media", ProvideFileSpec().setOptional(true).setDownloadSize( zypp::ByteCount(20, zypp::ByteCount::MB ) ))
64  | and_then( ProvideType::copyResultToDest( provider, destdir / "/media.1/media" ) );
65 
66  }
67  }
68 }
69 
70 
71 #endif
AsyncOpRef< expected< repo::AsyncDownloadContextRef > > download(repo::AsyncDownloadContextRef dl, ProvideMediaHandle mediaHandle, ProgressObserverRef progressObserver=nullptr)
Store and operate with byte count.
Definition: ByteCount.h:31
static const Unit MB
1000^2 Byte
Definition: ByteCount.h:61
#define ZYPP_EXCPT_PTR(EXCPT)
Drops a logline and returns Exception as a std::exception_ptr.
Definition: Exception.h:428
const Ref< ProvideType > & parent() const
Just inherits Exception to separate media exceptions.
AsyncOpRef< expected< repo::AsyncDownloadContextRef > > downloadMasterIndex(repo::AsyncDownloadContextRef dl, ProvideMediaHandle mediaHandle, zypp::filesystem::Pathname masterIndex_r)
std::shared_ptr< AsyncOp< T > > AsyncOpRef
Definition: asyncop.h:255
AsyncOpRef< expected< zypp::RepoStatus > > repoStatus(repo::AsyncDownloadContextRef dl, ProvideMediaHandle mediaHandle)
ResultType and_then(const expected< T, E > &exp, Function &&f)
Definition: expected.h:423
typename decay< T >::type decay_t
Definition: TypeTraits.h:42
auto downloadMediaInfo(MediaHandle &&mediaHandle, const zypp::filesystem::Pathname &destdir)