X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/727f3929c6addb8a5066c0c43ce462e79c5bcccb..7a66977486804d46d5860f568cbd80f54f0c42d0:/apt-pkg/acquire-item.h diff --git a/apt-pkg/acquire-item.h b/apt-pkg/acquire-item.h index af0b2d888..b4cac2f04 100644 --- a/apt-pkg/acquire-item.h +++ b/apt-pkg/acquire-item.h @@ -21,12 +21,21 @@ #define PKGLIB_ACQUIRE_ITEM_H #include +#include +#include +#include +#include + +#include +#include + +#ifndef APT_8_CLEANER_HEADERS #include #include #include #include #include -#include +#endif /** \addtogroup acquire * @{ @@ -34,7 +43,12 @@ * \file acquire-item.h */ -/** \brief Represents the process by which a pkgAcquire object should +class indexRecords; +class pkgRecords; +class pkgSourceList; +class IndexTarget; + +/** \brief Represents the process by which a pkgAcquire object should {{{ * retrieve a file or a collection of files. * * By convention, Item subclasses should insert themselves into the @@ -46,7 +60,7 @@ * * \see pkgAcquire */ -class pkgAcquire::Item +class pkgAcquire::Item : public WeakPointable { protected: @@ -55,7 +69,7 @@ class pkgAcquire::Item /** \brief Insert this item into its owner's queue. * - * \param ItemDesc Metadata about this item (its URI and + * \param Item Metadata about this item (its URI and * description). */ inline void QueueURI(ItemDesc &Item) @@ -70,11 +84,11 @@ class pkgAcquire::Item * * \param From The file to be renamed. * - * \param To The new name of #From. If #To exists it will be + * \param To The new name of \a From. If \a To exists it will be * overwritten. */ - void Rename(string From,string To); - + void Rename(std::string From,std::string To); + public: /** \brief The current status of this item. */ @@ -106,15 +120,15 @@ class pkgAcquire::Item } Status; /** \brief Contains a textual description of the error encountered - * if #Status is #StatError or #StatAuthError. + * if #ItemState is #StatError or #StatAuthError. */ - string ErrorText; + std::string ErrorText; /** \brief The size of the object to fetch. */ - unsigned long FileSize; + unsigned long long FileSize; /** \brief How much of the object was already fetched. */ - unsigned long PartialSize; + unsigned long long PartialSize; /** \brief If not \b NULL, contains the name of a subprocess that * is operating on this object (for instance, "gzip" or "gpgv"). @@ -142,7 +156,7 @@ class pkgAcquire::Item * download progress indicator's overall statistics. */ bool Local; - string UsedMirror; + std::string UsedMirror; /** \brief The number of fetch queues into which this item has been * inserted. @@ -153,11 +167,21 @@ class pkgAcquire::Item * \sa pkgAcquire */ unsigned int QueueCounter; + + /** \brief The number of additional fetch items that are expected + * once this item is done. + * + * Some items like pkgAcqMeta{Index,Sig} will queue additional + * items. This variable can be set by the methods if it knows + * in advance how many items to expect to get a more accurate + * progress. + */ + unsigned int ExpectedAdditionalItems; /** \brief The name of the file into which the retrieved object * will be written. */ - string DestFile; + std::string DestFile; /** \brief Invoked by the acquire worker when the object couldn't * be fetched. @@ -172,7 +196,7 @@ class pkgAcquire::Item * * \sa pkgAcqMethod */ - virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); /** \brief Invoked by the acquire worker when the object was * fetched successfully. @@ -188,12 +212,12 @@ class pkgAcquire::Item * \param Message Data from the acquire method. Use LookupTag() * to parse it. * \param Size The size of the object that was fetched. - * \param Hash The HashSum of the object that was fetched. + * \param Hashes The HashSums of the object that was fetched. * \param Cnf The method via which the object was fetched. * * \sa pkgAcqMethod */ - virtual void Done(string Message,unsigned long Size,string Hash, + virtual void Done(std::string Message, unsigned long long Size, HashStringList const &Hashes, pkgAcquire::MethodConfig *Cnf); /** \brief Invoked when the worker starts to fetch this object. @@ -205,7 +229,7 @@ class pkgAcquire::Item * * \sa pkgAcqMethod */ - virtual void Start(string Message,unsigned long Size); + virtual void Start(std::string Message,unsigned long long Size); /** \brief Custom headers to be sent to the fetch process. * @@ -215,34 +239,35 @@ class pkgAcquire::Item * line, so they should (if nonempty) have a leading newline and * no trailing newline. */ - virtual string Custom600Headers() {return string();}; + virtual std::string Custom600Headers() const {return std::string();}; /** \brief A "descriptive" URI-like string. * * \return a URI that should be used to describe what is being fetched. */ - virtual string DescURI() = 0; + virtual std::string DescURI() const = 0; /** \brief Short item description. * * \return a brief description of the object being fetched. */ - virtual string ShortDesc() {return DescURI();} + virtual std::string ShortDesc() const {return DescURI();} /** \brief Invoked by the worker when the download is completely done. */ virtual void Finished() {}; - /** \brief HashSum + /** \brief HashSums * - * \return the HashSum of this object, if applicable; otherwise, an - * empty string. + * \return the HashSums of this object, if applicable; otherwise, an + * empty list. */ - virtual string HashSum() {return string();}; + HashStringList HashSums() const {return ExpectedHashes;}; + std::string HashSum() const {HashStringList const hashes = HashSums(); HashString const * const hs = hashes.find(NULL); return hs != NULL ? hs->toStr() : ""; }; /** \return the acquire process with which this item is associated. */ - pkgAcquire *GetOwner() {return Owner;}; + pkgAcquire *GetOwner() const {return Owner;}; /** \return \b true if this object is being fetched from a trusted source. */ - virtual bool IsTrusted() {return false;}; + virtual bool IsTrusted() const {return false;}; // report mirror problems /** \brief Report mirror problem @@ -252,7 +277,7 @@ class pkgAcquire::Item * * \param FailCode A short failure string that is send */ - void ReportMirrorFailure(string FailCode); + void ReportMirrorFailure(std::string FailCode); /** \brief Initialize an item. @@ -261,32 +286,108 @@ class pkgAcquire::Item * process, but does not place it into any fetch queues (you must * manually invoke QueueURI() to do so). * - * Initializes all fields of the item other than Owner to 0, - * false, or the empty string. - * * \param Owner The new owner of this item. + * \param ExpectedHashes of the file represented by this item */ - Item(pkgAcquire *Owner); + Item(pkgAcquire *Owner, HashStringList const &ExpectedHashes); /** \brief Remove this item from its owner's queue by invoking * pkgAcquire::Remove. */ virtual ~Item(); -}; -/** \brief Information about an index patch (aka diff). */ + protected: + + enum RenameOnErrorState { + HashSumMismatch, + SizeMismatch, + InvalidFormat + }; + + /** \brief Rename failed file and set error + * + * \param state respresenting the error we encountered + */ + bool RenameOnError(RenameOnErrorState const state); + + /** \brief The HashSums of the item is supposed to have than done */ + HashStringList ExpectedHashes; + + /** \brief The item that is currently being downloaded. */ + pkgAcquire::ItemDesc Desc; +}; + /*}}}*/ +/** \brief Information about an index patch (aka diff). */ /*{{{*/ struct DiffInfo { /** The filename of the diff. */ - string file; + std::string file; /** The sha1 hash of the diff. */ - string sha1; + std::string sha1; /** The size of the diff. */ unsigned long size; }; + /*}}}*/ +/** \brief An item that is responsible for fetching a SubIndex {{{ + * + * The MetaIndex file includes only records for important indexes + * and records for these SubIndex files so these can carry records + * for addition files like PDiffs and Translations + */ +class pkgAcqSubIndex : public pkgAcquire::Item +{ + protected: + /** \brief If \b true, debugging information will be written to std::clog. */ + bool Debug; + + public: + // Specialized action members + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, + pkgAcquire::MethodConfig *Cnf); + virtual std::string DescURI() const {return Desc.URI;}; + virtual std::string Custom600Headers() const; + virtual bool ParseIndex(std::string const &IndexFile); + + /** \brief Create a new pkgAcqSubIndex. + * + * \param Owner The Acquire object that owns this item. + * + * \param URI The URI of the list file to download. + * + * \param URIDesc A long description of the list file to download. + * + * \param ShortDesc A short description of the list file to download. + * + * \param ExpectedHashes The list file's hashsums which are expected. + */ + pkgAcqSubIndex(pkgAcquire *Owner, std::string const &URI,std::string const &URIDesc, + std::string const &ShortDesc, HashStringList const &ExpectedHashes); +}; + /*}}}*/ + +/** \brief Common base class for all classes that deal with fetching {{{ + indexes + */ +class pkgAcqBaseIndex : public pkgAcquire::Item +{ + protected: + /** \brief Pointer to the IndexTarget data + */ + const struct IndexTarget * Target; + indexRecords *MetaIndexParser; + + pkgAcqBaseIndex(pkgAcquire *Owner, + struct IndexTarget const * const Target, + HashStringList const &ExpectedHashes, + indexRecords *MetaIndexParser) + : Item(Owner, ExpectedHashes), Target(Target), + MetaIndexParser(MetaIndexParser) {}; -/** \brief An item that is responsible for fetching an index file of +}; + /*}}}*/ +/** \brief An item that is responsible for fetching an index file of {{{ * package list diffs and starting the package list's download. * * This item downloads the Index file and parses it, then enqueues @@ -295,42 +396,34 @@ struct DiffInfo { * * \sa pkgAcqIndexDiffs, pkgAcqIndex */ -class pkgAcqDiffIndex : public pkgAcquire::Item +class pkgAcqDiffIndex : public pkgAcqBaseIndex { protected: /** \brief If \b true, debugging information will be written to std::clog. */ bool Debug; - /** \brief The item that is currently being downloaded. */ - pkgAcquire::ItemDesc Desc; - /** \brief The URI of the index file to recreate at our end (either * by downloading it or by applying partial patches). */ - string RealURI; - - /** \brief The Hash that the real index file should have after - * all patches have been applied. - */ - HashString ExpectedHash; + std::string RealURI; /** \brief The index file which will be patched to generate the new * file. */ - string CurrentPackagesFile; + std::string CurrentPackagesFile; /** \brief A description of the Packages file (stored in * pkgAcquire::ItemDesc::Description). */ - string Description; + std::string Description; public: // Specialized action members - virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); - virtual void Done(string Message,unsigned long Size,string Md5Hash, + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, pkgAcquire::MethodConfig *Cnf); - virtual string DescURI() {return RealURI + "Index";}; - virtual string Custom600Headers(); + virtual std::string DescURI() const {return RealURI + "Index";}; + virtual std::string Custom600Headers() const; /** \brief Parse the Index file for a set of Packages diffs. * @@ -342,7 +435,7 @@ class pkgAcqDiffIndex : public pkgAcquire::Item * \return \b true if the Index file was successfully parsed, \b * false otherwise. */ - bool ParseDiffIndex(string IndexDiffFile); + bool ParseDiffIndex(std::string IndexDiffFile); /** \brief Create a new pkgAcqDiffIndex. @@ -355,13 +448,105 @@ class pkgAcqDiffIndex : public pkgAcquire::Item * * \param ShortDesc A short description of the list file to download. * - * \param ExpectedHash The list file's MD5 signature. + * \param ExpectedHashes The list file's hashsums which are expected. */ - pkgAcqDiffIndex(pkgAcquire *Owner,string URI,string URIDesc, - string ShortDesc, HashString ExpectedHash); + pkgAcqDiffIndex(pkgAcquire *Owner, + struct IndexTarget const * const Target, + HashStringList const &ExpectedHashes, + indexRecords *MetaIndexParser); }; + /*}}}*/ +/** \brief An item that is responsible for fetching client-merge patches {{{ + * that need to be applied to a given package index file. + * + * Instead of downloading and applying each patch one by one like its + * sister #pkgAcqIndexDiffs this class will download all patches at once + * and call rred with all the patches downloaded once. Rred will then + * merge and apply them in one go, which should be a lot faster – but is + * incompatible with server-based merges of patches like reprepro can do. + * + * \sa pkgAcqDiffIndex, pkgAcqIndex + */ +class pkgAcqIndexMergeDiffs : public pkgAcqBaseIndex +{ + protected: + + /** \brief If \b true, debugging output will be written to + * std::clog. + */ + bool Debug; + + /** \brief URI of the package index file that is being + * reconstructed. + */ + std::string RealURI; + + /** \brief description of the file being downloaded. */ + std::string Description; + + /** \brief information about the current patch */ + struct DiffInfo const patch; + + /** \brief list of all download items for the patches */ + std::vector const * const allPatches; + + /** The current status of this patch. */ + enum DiffState + { + /** \brief The diff is currently being fetched. */ + StateFetchDiff, + + /** \brief The diff is currently being applied. */ + StateApplyDiff, + + /** \brief the work with this diff is done */ + StateDoneDiff, + + /** \brief something bad happened and fallback was triggered */ + StateErrorDiff + } State; -/** \brief An item that is responsible for fetching all the patches + public: + /** \brief Called when the patch file failed to be downloaded. + * + * This method will fall back to downloading the whole index file + * outright; its arguments are ignored. + */ + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, + pkgAcquire::MethodConfig *Cnf); + virtual std::string DescURI() const {return RealURI + "Index";}; + + /** \brief Create an index merge-diff item. + * + * \param Owner The pkgAcquire object that owns this item. + * + * \param URI The URI of the package index file being + * reconstructed. + * + * \param URIDesc A long description of this item. + * + * \param ShortDesc A brief description of this item. + * + * \param ExpectedHashes The expected md5sum of the completely + * reconstructed package index file; the index file will be tested + * against this value when it is entirely reconstructed. + * + * \param patch contains infos about the patch this item is supposed + * to download which were read from the index + * + * \param allPatches contains all related items so that each item can + * check if it was the last one to complete the download step + */ + pkgAcqIndexMergeDiffs(pkgAcquire *Owner, + struct IndexTarget const * const Target, + HashStringList const &ExpectedHash, + indexRecords *MetaIndexParser, + DiffInfo const &patch, + std::vector const * const allPatches); +}; + /*}}}*/ +/** \brief An item that is responsible for fetching server-merge patches {{{ * that need to be applied to a given package index file. * * After downloading and applying a single patch, this item will @@ -372,7 +557,7 @@ class pkgAcqDiffIndex : public pkgAcquire::Item * * \sa pkgAcqDiffIndex, pkgAcqIndex */ -class pkgAcqIndexDiffs : public pkgAcquire::Item +class pkgAcqIndexDiffs : public pkgAcqBaseIndex { private: @@ -390,8 +575,8 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item /** \brief Handle tasks that must be performed after the item * finishes downloading. * - * Dequeues the item and checks the resulting file's md5sum - * against ExpectedHash after the last patch was applied. + * Dequeues the item and checks the resulting file's hashsums + * against ExpectedHashes after the last patch was applied. * There is no need to check the md5/sha1 after a "normal" * patch because QueueNextDiff() will check the sha1 later. * @@ -407,23 +592,13 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item */ bool Debug; - /** \brief A description of the item that is currently being - * downloaded. - */ - pkgAcquire::ItemDesc Desc; - /** \brief The URI of the package index file that is being * reconstructed. */ - string RealURI; - - /** \brief The HashSum of the package index file that is being - * reconstructed. - */ - HashString ExpectedHash; + std::string RealURI; /** A description of the file being downloaded. */ - string Description; + std::string Description; /** The patches that remain to be downloaded, including the patch * being downloaded right now. This list should be ordered so @@ -433,7 +608,11 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item * dictionary instead of relying on ordering and stripping them * off the front? */ - vector available_patches; + std::vector available_patches; + + /** Stop applying patches when reaching that sha1 */ + std::string ServerSha1; + /** The current status of this patch. */ enum DiffState { @@ -444,7 +623,7 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item StateFetchDiff, /** \brief The diff is currently being uncompressed. */ - StateUnzipDiff, + StateUnzipDiff, // FIXME: No longer used /** \brief The diff is currently being applied. */ StateApplyDiff @@ -457,16 +636,16 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item * This method will fall back to downloading the whole index file * outright; its arguments are ignored. */ - virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); - virtual void Done(string Message,unsigned long Size,string Md5Hash, + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, pkgAcquire::MethodConfig *Cnf); - virtual string DescURI() {return RealURI + "Index";}; + virtual std::string DescURI() const {return RealURI + "Index";}; /** \brief Create an index diff item. * * After filling in its basic fields, this invokes Finish(true) if - * #diffs is empty, or QueueNextDiff() otherwise. + * \a diffs is empty, or QueueNextDiff() otherwise. * * \param Owner The pkgAcquire object that owns this item. * @@ -477,27 +656,32 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item * * \param ShortDesc A brief description of this item. * - * \param ExpectedHash The expected md5sum of the completely + * \param ExpectedHashes The expected md5sum of the completely * reconstructed package index file; the index file will be tested * against this value when it is entirely reconstructed. * + * \param ServerSha1 is the sha1sum of the current file on the server + * * \param diffs The remaining diffs from the index of diffs. They * should be ordered so that each diff appears before any diff * that depends on it. */ - pkgAcqIndexDiffs(pkgAcquire *Owner,string URI,string URIDesc, - string ShortDesc, HashString ExpectedHash, - vector diffs=vector()); + pkgAcqIndexDiffs(pkgAcquire *Owner, + struct IndexTarget const * const Target, + HashStringList const &ExpectedHash, + indexRecords *MetaIndexParser, + std::string ServerSha1, + std::vector diffs=std::vector()); }; - -/** \brief An acquire item that is responsible for fetching an index + /*}}}*/ +/** \brief An acquire item that is responsible for fetching an index {{{ * file (e.g., Packages or Sources). * * \sa pkgAcqDiffIndex, pkgAcqIndexDiffs, pkgAcqIndexTrans * * \todo Why does pkgAcqIndex have protected members? */ -class pkgAcqIndex : public pkgAcquire::Item +class pkgAcqIndex : public pkgAcqBaseIndex { protected: @@ -509,33 +693,37 @@ class pkgAcqIndex : public pkgAcquire::Item */ bool Erase; - /** \brief The download request that is currently being - * processed. + /** \brief Verify for correctness by checking if a "Package" + * tag is found in the index. This can be set to + * false for optional index targets + * */ - pkgAcquire::ItemDesc Desc; + // FIXME: instead of a bool it should use a verify string that will + // then be used in the pkgAcqIndex::Done method to ensure that + // the downloaded file contains the expected tag + bool Verify; /** \brief The object that is actually being fetched (minus any * compression-related extensions). */ - string RealURI; + std::string RealURI; - /** \brief The expected hashsum of the decompressed index file. */ - HashString ExpectedHash; - - /** \brief The compression-related file extension that is being - * added to the downloaded file (e.g., ".gz" or ".bz2"). + /** \brief The compression-related file extensions that are being + * added to the downloaded file one by one if first fails (e.g., "gz bz2"). */ - string CompressionExtension; + std::string CompressionExtension; + + /** \brief Do the changes needed to fetch via AptByHash (if needed) */ + void InitByHashIfNeeded(const std::string MetaKey); public: // Specialized action members - virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); - virtual void Done(string Message,unsigned long Size,string Md5Hash, + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, pkgAcquire::MethodConfig *Cnf); - virtual string Custom600Headers(); - virtual string DescURI() {return RealURI + CompressionExtension;}; - virtual string HashSum() {return ExpectedHash.toStr(); }; + virtual std::string Custom600Headers() const; + virtual std::string DescURI() const {return Desc.URI;}; /** \brief Create a pkgAcqIndex. * @@ -548,18 +736,26 @@ class pkgAcqIndex : public pkgAcquire::Item * * \param ShortDesc A brief description of this index file. * - * \param ExpectedHash The expected hashsum of this index file. + * \param ExpectedHashes The expected hashsum of this index file. * * \param compressExt The compression-related extension with which * this index file should be downloaded, or "" to autodetect - * (".bz2" is used if bzip2 is installed, ".gz" otherwise). + * 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,std::string URI,std::string URIDesc, + std::string ShortDesc, HashStringList const &ExpectedHashes, + std::string compressExt=""); + pkgAcqIndex(pkgAcquire *Owner, + IndexTarget const * const Target, + HashStringList const &ExpectedHash, + indexRecords *MetaIndexParser); + void Init(std::string const &URI, std::string const &URIDesc, + std::string const &ShortDesc); }; - -/** \brief An acquire item that is responsible for fetching a + /*}}}*/ +/** \brief An acquire item that is responsible for fetching a {{{ * translated index file. * * The only difference from pkgAcqIndex is that transient failures @@ -570,7 +766,8 @@ class pkgAcqIndexTrans : public pkgAcqIndex { public: - virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual std::string Custom600Headers() const; /** \brief Create a pkgAcqIndexTrans. * @@ -582,36 +779,65 @@ class pkgAcqIndexTrans : public pkgAcqIndex * \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 - * (".bz2" is used if bzip2 is installed, ".gz" otherwise). */ - pkgAcqIndexTrans(pkgAcquire *Owner,string URI,string URIDesc, - string ShortDesc); + pkgAcqIndexTrans(pkgAcquire *Owner,std::string URI,std::string URIDesc, + std::string ShortDesc); + pkgAcqIndexTrans(pkgAcquire *Owner, IndexTarget const * const Target, + HashStringList const &ExpectedHashes, indexRecords *MetaIndexParser); }; - -/** \brief Information about an index file. */ -struct IndexTarget + /*}}}*/ +/** \brief Information about an index file. */ /*{{{*/ +class IndexTarget { + public: /** \brief A URI from which the index file can be downloaded. */ - string URI; + std::string URI; /** \brief A description of the index file. */ - string Description; + std::string Description; /** \brief A shorter description of the index file. */ - string ShortDesc; + std::string ShortDesc; /** \brief The key by which this index file should be * looked up within the meta signature file. */ - string MetaKey; + std::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 Information about an subindex index file. */ /*{{{*/ +class OptionalSubIndexTarget : public OptionalIndexTarget +{ + virtual bool IsSubIndex() const { + return true; + } }; + /*}}}*/ -/** \brief An acquire item that downloads the detached signature +/** \brief An acquire item that downloads the detached signature {{{ * of a meta-index (Release) file, then queues up the release * file itself. * @@ -623,29 +849,26 @@ 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; + std::string LastGoodSig; /** \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; + std::string RealURI; /** \brief The URI of the meta-index file to be fetched after the signature. */ - string MetaIndexURI; + std::string MetaIndexURI; /** \brief A "URI-style" description of the meta-index file to be * fetched after the signature. */ - string MetaIndexURIDesc; + std::string MetaIndexURIDesc; /** \brief A brief description of the meta-index file to be fetched * after the signature. */ - string MetaIndexShortDesc; + std::string MetaIndexShortDesc; /** \brief A package-system-specific parser for the meta-index file. */ indexRecords* MetaIndexParser; @@ -655,25 +878,26 @@ class pkgAcqMetaSig : public pkgAcquire::Item * * \todo Why a list of pointers instead of a list of structs? */ - const vector* IndexTargets; + const std::vector* IndexTargets; public: // Specialized action members - virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); - virtual void Done(string Message,unsigned long Size,string Md5Hash, + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, pkgAcquire::MethodConfig *Cnf); - virtual string Custom600Headers(); - virtual string DescURI() {return RealURI; }; + virtual std::string Custom600Headers() const; + virtual std::string DescURI() const {return RealURI; }; /** \brief Create a new pkgAcqMetaSig. */ - pkgAcqMetaSig(pkgAcquire *Owner,string URI,string URIDesc, string ShortDesc, - string MetaIndexURI, string MetaIndexURIDesc, string MetaIndexShortDesc, - const vector* IndexTargets, + pkgAcqMetaSig(pkgAcquire *Owner,std::string URI,std::string URIDesc, std::string ShortDesc, + std::string MetaIndexURI, std::string MetaIndexURIDesc, std::string MetaIndexShortDesc, + const std::vector* IndexTargets, indexRecords* MetaIndexParser); + virtual ~pkgAcqMetaSig(); }; - -/** \brief An item that is responsible for downloading the meta-index + /*}}}*/ +/** \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 @@ -686,23 +910,20 @@ class pkgAcqMetaSig : public pkgAcquire::Item 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; + std::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; + std::string SigFile; /** \brief The index files to download. */ - const vector* IndexTargets; + const std::vector* IndexTargets; /** \brief The parser for the meta-index file. */ indexRecords* MetaIndexParser; @@ -718,7 +939,7 @@ class pkgAcqMetaIndex : public pkgAcquire::Item * * \return \b true if no fatal errors were encountered. */ - bool VerifyVendor(string Message); + bool VerifyVendor(std::string Message); /** \brief Called when a file is finished being retrieved. * @@ -729,7 +950,7 @@ class pkgAcqMetaIndex : public pkgAcquire::Item * \param Message The message block received from the fetch * subprocess. */ - void RetrievalDone(string Message); + void RetrievalDone(std::string Message); /** \brief Called when authentication succeeded. * @@ -740,7 +961,7 @@ class pkgAcqMetaIndex : public pkgAcquire::Item * \param Message The message block received from the fetch * subprocess. */ - void AuthDone(string Message); + void AuthDone(std::string Message); /** \brief Starts downloading the individual index files. * @@ -755,21 +976,56 @@ class pkgAcqMetaIndex : public pkgAcquire::Item public: // Specialized action members - virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); - virtual void Done(string Message,unsigned long Size, string Hash, + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, pkgAcquire::MethodConfig *Cnf); - virtual string Custom600Headers(); - virtual string DescURI() {return RealURI; }; + virtual std::string Custom600Headers() const; + virtual std::string DescURI() const {return RealURI; }; /** \brief Create a new pkgAcqMetaIndex. */ pkgAcqMetaIndex(pkgAcquire *Owner, - string URI,string URIDesc, string ShortDesc, - string SigFile, - const vector* IndexTargets, + std::string URI,std::string URIDesc, std::string ShortDesc, + std::string SigFile, + const std::vector* IndexTargets, indexRecords* MetaIndexParser); }; + /*}}}*/ +/** \brief An item repsonsible for downloading clearsigned metaindexes {{{*/ +class pkgAcqMetaClearSig : public pkgAcqMetaIndex +{ + /** \brief The URI of the meta-index file for the detached signature */ + std::string MetaIndexURI; + + /** \brief A "URI-style" description of the meta-index file */ + std::string MetaIndexURIDesc; + + /** \brief A brief description of the meta-index file */ + std::string MetaIndexShortDesc; + + /** \brief The URI of the detached meta-signature file if the clearsigned one failed. */ + std::string MetaSigURI; + + /** \brief A "URI-style" description of the meta-signature file */ + std::string MetaSigURIDesc; -/** \brief An item that is responsible for fetching a package file. + /** \brief A brief description of the meta-signature file */ + std::string MetaSigShortDesc; + +public: + void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual std::string Custom600Headers() const; + + /** \brief Create a new pkgAcqMetaClearSig. */ + pkgAcqMetaClearSig(pkgAcquire *Owner, + std::string const &URI, std::string const &URIDesc, std::string const &ShortDesc, + std::string const &MetaIndexURI, std::string const &MetaIndexURIDesc, std::string const &MetaIndexShortDesc, + std::string const &MetaSigURI, std::string const &MetaSigURIDesc, std::string const &MetaSigShortDesc, + const std::vector* IndexTargets, + indexRecords* MetaIndexParser); + virtual ~pkgAcqMetaClearSig(); +}; + /*}}}*/ +/** \brief An item that is responsible for fetching a package file. {{{ * * If the package file already exists in the cache, nothing will be * done. @@ -780,9 +1036,6 @@ class pkgAcqArchive : public pkgAcquire::Item /** \brief The package version being fetched. */ pkgCache::VerIterator Version; - /** \brief The fetch command that is currently being processed. */ - pkgAcquire::ItemDesc Desc; - /** \brief The list of sources from which to pick archives to * download this package from. */ @@ -793,13 +1046,10 @@ class pkgAcqArchive : public pkgAcquire::Item */ pkgRecords *Recs; - /** \brief The hashsum of this package. */ - HashString ExpectedHash; - /** \brief A location in which the actual filename of the package * should be stored. */ - string &StoreFilename; + std::string &StoreFilename; /** \brief The next file for this version to try to download. */ pkgCache::VerFileIterator Vf; @@ -821,14 +1071,13 @@ class pkgAcqArchive : public pkgAcquire::Item public: - virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); - virtual void Done(string Message,unsigned long Size,string Hash, + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, pkgAcquire::MethodConfig *Cnf); - virtual string DescURI() {return Desc.URI;}; - virtual string ShortDesc() {return Desc.ShortDesc;}; + virtual std::string DescURI() const {return Desc.URI;}; + virtual std::string ShortDesc() const {return Desc.ShortDesc;}; virtual void Finished(); - virtual string HashSum() {return ExpectedHash.toStr(); }; - virtual bool IsTrusted(); + virtual bool IsTrusted() const; /** \brief Create a new pkgAcqArchive. * @@ -843,17 +1092,17 @@ class pkgAcqArchive : public pkgAcquire::Item * * \param Version The package version to download. * - * \param StoreFilename A location in which the actual filename of + * \param[out] StoreFilename A location in which the actual filename of * the package should be stored. It will be set to a guessed * basename in the constructor, and filled in with a fully * qualified filename once the download finishes. */ pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, pkgRecords *Recs,pkgCache::VerIterator const &Version, - string &StoreFilename); + std::string &StoreFilename); }; - -/** \brief Retrieve an arbitrary file to the current directory. + /*}}}*/ +/** \brief Retrieve an arbitrary file to the current directory. {{{ * * The file is retrieved even if it is accessed via a URL type that * normally is a NOP, such as "file". If the download fails, the @@ -861,25 +1110,22 @@ class pkgAcqArchive : public pkgAcquire::Item */ class pkgAcqFile : public pkgAcquire::Item { - /** \brief The currently active download process. */ - pkgAcquire::ItemDesc Desc; - - /** \brief The hashsum of the file to download, if it is known. */ - HashString ExpectedHash; - /** \brief How many times to retry the download, set from * Acquire::Retries. */ unsigned int Retries; + /** \brief Should this file be considered a index file */ + bool IsIndexFile; + public: // Specialized action members - virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); - virtual void Done(string Message,unsigned long Size,string CalcHash, + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &CalcHashes, pkgAcquire::MethodConfig *Cnf); - virtual string DescURI() {return Desc.URI;}; - virtual string HashSum() {return ExpectedHash.toStr(); }; + virtual std::string DescURI() const {return Desc.URI;}; + virtual std::string Custom600Headers() const; /** \brief Create a new pkgAcqFile object. * @@ -888,8 +1134,8 @@ class pkgAcqFile : public pkgAcquire::Item * * \param URI The URI to download. * - * \param Hash The hashsum of the file to download, if it is known; - * otherwise "". + * \param Hashes The hashsums of the file to download, if they are known; + * otherwise empty list. * * \param Size The size of the file to download, if it is known; * otherwise 0. @@ -903,18 +1149,21 @@ class pkgAcqFile : public pkgAcquire::Item * * \param DestFilename The filename+path the file is downloaded to. * + * \param IsIndexFile The file is considered a IndexFile and cache-control + * headers like "cache-control: max-age=0" are send * - * If DestFilename is empty, download to DestDir/ if - * DestDir is non-empty, $CWD/ otherwise. If + * If DestFilename is empty, download to DestDir/\ if + * DestDir is non-empty, $CWD/\ otherwise. If * DestFilename is NOT empty, DestDir is ignored and DestFilename * is the absolute name to which the file should be downloaded. */ - pkgAcqFile(pkgAcquire *Owner, string URI, string Hash, unsigned long Size, - string Desc, string ShortDesc, - const string &DestDir="", const string &DestFilename=""); + pkgAcqFile(pkgAcquire *Owner, std::string URI, HashStringList const &Hashes, unsigned long long Size, + std::string Desc, std::string ShortDesc, + const std::string &DestDir="", const std::string &DestFilename="", + bool IsIndexFile=false); }; - + /*}}}*/ /** @} */ #endif