metaindex.h
#ifndef PKGLIB_METAINDEX_H
#define PKGLIB_METAINDEX_H
#include <apt-pkg/indexfile.h>
#include <apt-pkg/init.h>
#include <cstddef>
#include <string>
#include <vector>
class pkgAcquire;
class IndexTarget;
class pkgCacheGenerator;
class OpProgress;
class metaIndexPrivate;
class APT_PUBLIC metaIndex
{
public:
struct checkSum
{
std::string MetaKeyFilename;
HashStringList Hashes;
unsigned long long Size;
};
enum APT_HIDDEN TriState {
TRI_YES, TRI_DONTCARE, TRI_NO, TRI_UNSET
};
enum class APT_HIDDEN Flag
{
DEB822 = 0x01,
};
private:
metaIndexPrivate * const d;
protected:
std::vector <pkgIndexFile *> *Indexes;
// parsed from the sources.list
const char *Type;
std::string URI;
std::string Dist;
TriState Trusted;
std::string SignedBy;
// parsed from a file
std::string Suite;
std::string Codename;
std::string Origin;
std::string Label;
std::string Version;
signed short DefaultPin;
std::string ReleaseNotes;
time_t Date;
time_t ValidUntil;
bool SupportsAcquireByHash;
std::map<std::string, checkSum *> Entries;
TriState LoadedSuccessfully;
public:
// Various accessors
std::string GetURI() const;
std::string GetDist() const;
const char* GetType() const;
TriState GetTrusted() const;
std::string GetSignedBy() const;
std::string GetOrigin() const;
std::string GetLabel() const;
std::string GetVersion() const;
std::string GetCodename() const;
std::string GetSuite() const;
std::string GetReleaseNotes() const;
signed short GetDefaultPin() const;
bool GetSupportsAcquireByHash() const;
time_t GetValidUntil() const;
time_t GetDate() const;
virtual time_t GetNotBefore() const = 0;
#ifdef APT_COMPILING_APT
bool HasFlag(Flag flag) const;
#endif
void SetFlag(Flag flag) APT_HIDDEN;
std::string GetExpectedDist() const;
bool CheckDist(std::string const &MaybeDist) const;
// Interface for acquire
virtual std::string Describe() const;
virtual std::string ArchiveURI(std::string const& File) const = 0;
virtual bool GetIndexes(pkgAcquire *Owner, bool const &GetAll=false) = 0;
virtual std::vector<IndexTarget> GetIndexTargets() const = 0;
virtual std::vector<pkgIndexFile *> *GetIndexFiles() = 0;
virtual bool IsTrusted() const = 0;
virtual bool Load(std::string const &Filename, std::string * const ErrorText) = 0;
bool Load(std::string *const ErrorText);
virtual metaIndex * UnloadedClone() const = 0;
// the given metaIndex is potentially invalid after this call and should be deleted
void swapLoad(metaIndex * const OldMetaIndex);
// Lookup functions for parsed Hashes
checkSum *Lookup(std::string const &MetaKey) const;
bool Exists(std::string const &MetaKey) const;
std::vector<std::string> MetaKeys() const;
TriState GetLoadedSuccessfully() const;
// Interfaces for pkgCacheGen
virtual pkgCache::RlsFileIterator FindInCache(pkgCache &Cache, bool const ModifyCheck) const;
virtual bool Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const;
metaIndex(std::string const &URI, std::string const &Dist,
char const * const Type);
virtual ~metaIndex();
virtual bool IsArchitectureSupported(std::string const &arch) const;
virtual bool IsArchitectureAllSupportedFor(IndexTarget const &target) const;
virtual bool HasSupportForComponent(std::string const &component) const;
#ifdef APT_COMPILING_APT
bool IsTrustedSet() { return Trusted == TRI_YES; }
#endif
};
#endif
HashStringList
Definition hashes.h:79
IndexTarget
Information about an index file.
Definition indexfile.h:39
OpProgress
Definition progress.h:30
metaIndex::Exists
bool Exists(std::string const &MetaKey) const
tests if a checksum for this file is available
Definition metaindex.cc:106
metaIndex::UnloadedClone
virtual metaIndex * UnloadedClone() const =0
pkgAcquire
The core download scheduler. {{{.
Definition acquire.h:94
pkgCacheGenerator
Definition pkgcachegen.h:44
pkgCache::RlsFileIterator
Definition cacheiterators.h:467
pkgCache
Definition pkgcache.h:126
metaIndexPrivate
Definition metaindex.cc:16
metaIndex::checkSum
Definition metaindex.h:24