- string CompressionExtension;
-
- public:
-
- // Specialized action members
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long long Size,string Md5Hash,
- pkgAcquire::MethodConfig *Cnf);
- virtual string Custom600Headers();
- virtual string DescURI() {return Desc.URI;};
- virtual string HashSum() {return ExpectedHash.toStr(); };
-
- /** \brief Create a pkgAcqIndex.
- *
- * \param Owner The pkgAcquire object with which this item is
- * associated.
- *
- * \param URI The URI of the index file that is to be downloaded.
- *
- * \param URIDesc A "URI-style" description of this index file.
- *
- * \param ShortDesc A brief description of this index file.
- *
- * \param ExpectedHash The expected hashsum of this index file.
- *
- * \param compressExt The compression-related extension with which
- * this index file should be downloaded, or "" to autodetect
- * Compression types can be set with config Acquire::CompressionTypes,
- * default is ".lzma" or ".bz2" (if the needed binaries are present)
- * fallback is ".gz" or none.
- */
- pkgAcqIndex(pkgAcquire *Owner,string URI,string URIDesc,
- string ShortDesc, HashString ExpectedHash,
- string compressExt="");
- pkgAcqIndex(pkgAcquire *Owner, struct IndexTarget const * const Target,
- HashString const &ExpectedHash, indexRecords const *MetaIndexParser);
- void Init(string const &URI, string const &URIDesc, string const &ShortDesc);
-};
- /*}}}*/
-/** \brief An acquire item that is responsible for fetching a {{{
- * translated index file.
- *
- * The only difference from pkgAcqIndex is that transient failures
- * are suppressed: no error occurs if the translated index file is
- * missing.
- */
-class pkgAcqIndexTrans : public pkgAcqIndex
-{
- public:
-
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual string Custom600Headers();
-
- /** \brief Create a pkgAcqIndexTrans.
- *
- * \param Owner The pkgAcquire object with which this item is
- * associated.
- *
- * \param URI The URI of the index file that is to be downloaded.
- *
- * \param URIDesc A "URI-style" description of this index file.
- *
- * \param ShortDesc A brief description of this index file.
- */
- pkgAcqIndexTrans(pkgAcquire *Owner,string URI,string URIDesc,
- string ShortDesc);
- pkgAcqIndexTrans(pkgAcquire *Owner, struct IndexTarget const * const Target,
- HashString const &ExpectedHash, indexRecords const *MetaIndexParser);
-};
- /*}}}*/
-/** \brief Information about an index file. */ /*{{{*/
-class IndexTarget
-{
- public:
- /** \brief A URI from which the index file can be downloaded. */
- string URI;
-
- /** \brief A description of the index file. */
- string Description;
-
- /** \brief A shorter description of the index file. */
- string ShortDesc;
-
- /** \brief The key by which this index file should be
- * looked up within the meta signature file.
- */
- string MetaKey;
-
- virtual bool IsOptional() const {
- return false;
- }
- virtual bool IsSubIndex() const {
- return false;
- }
-};
- /*}}}*/
-/** \brief Information about an optional index file. */ /*{{{*/
-class OptionalIndexTarget : public IndexTarget
-{
- virtual bool IsOptional() const {
- return true;
- }
-};
- /*}}}*/
-/** \brief Information about an subindex index file. */ /*{{{*/
-class SubIndexTarget : public IndexTarget
-{
- virtual bool IsSubIndex() const {
- return true;
- }
-};
- /*}}}*/
-
-/** \brief An acquire item that downloads the detached signature {{{
- * of a meta-index (Release) file, then queues up the release
- * file itself.
- *
- * \todo Why protected members?
- *
- * \sa pkgAcqMetaIndex
- */
-class pkgAcqMetaSig : public pkgAcquire::Item
-{
- protected:
- /** \brief The last good signature file */
- string LastGoodSig;
-
- /** \brief The fetch request that is currently being processed. */
- pkgAcquire::ItemDesc Desc;
-
- /** \brief The URI of the signature file. Unlike Desc.URI, this is
- * never modified; it is used to determine the file that is being
- * downloaded.
- */
- string RealURI;
-
- /** \brief The URI of the meta-index file to be fetched after the signature. */
- string MetaIndexURI;
-
- /** \brief A "URI-style" description of the meta-index file to be
- * fetched after the signature.
- */
- string MetaIndexURIDesc;
-
- /** \brief A brief description of the meta-index file to be fetched
- * after the signature.
- */
- string MetaIndexShortDesc;
-
- /** \brief A package-system-specific parser for the meta-index file. */
- indexRecords* MetaIndexParser;
-
- /** \brief The index files which should be looked up in the meta-index
- * and then downloaded.
- *
- * \todo Why a list of pointers instead of a list of structs?
- */
- const vector<struct IndexTarget*>* IndexTargets;
-
- public:
-
- // Specialized action members
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long long Size,string Md5Hash,
- pkgAcquire::MethodConfig *Cnf);
- virtual string Custom600Headers();
- virtual string DescURI() {return RealURI; };
-
- /** \brief Create a new pkgAcqMetaSig. */
- pkgAcqMetaSig(pkgAcquire *Owner,string URI,string URIDesc, string ShortDesc,
- string MetaIndexURI, string MetaIndexURIDesc, string MetaIndexShortDesc,
- const vector<struct IndexTarget*>* IndexTargets,
- indexRecords* MetaIndexParser);
-};
- /*}}}*/
-/** \brief An item that is responsible for downloading the meta-index {{{
- * file (i.e., Release) itself and verifying its signature.
- *
- * Once the download and verification are complete, the downloads of
- * the individual index files are queued up using pkgAcqDiffIndex.
- * If the meta-index file had a valid signature, the expected hashsums
- * of the index files will be the md5sums listed in the meta-index;
- * otherwise, the expected hashsums will be "" (causing the
- * authentication of the index files to be bypassed).
- */
-class pkgAcqMetaIndex : public pkgAcquire::Item
-{
- protected:
- /** \brief The fetch command that is currently being processed. */
- pkgAcquire::ItemDesc Desc;
-
- /** \brief The URI that is actually being downloaded; never
- * modified by pkgAcqMetaIndex.
- */
- string RealURI;
-
- /** \brief The file in which the signature for this index was stored.
- *
- * If empty, the signature and the md5sums of the individual
- * indices will not be checked.
- */
- string SigFile;
projects / apt.git / blobdiff