#include <apt-pkg/hashes.h>
#include <apt-pkg/weakptr.h>
#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <string>
+#include <vector>
#ifndef APT_8_CLEANER_HEADERS
#include <apt-pkg/indexfile.h>
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.
/** \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)
*
* \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(std::string From,std::string To);
} Status;
/** \brief Contains a textual description of the error encountered
- * if #Status is #StatError or #StatAuthError.
+ * if #ItemState is #StatError or #StatAuthError.
*/
std::string ErrorText;
* \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.
* \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(std::string Message,unsigned long long Size,std::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.
* line, so they should (if nonempty) have a leading newline and
* no trailing newline.
*/
- virtual std::string Custom600Headers() {return std::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 std::string DescURI() = 0;
+ virtual std::string DescURI() const = 0;
/** \brief Short item description.
*
* \return a brief description of the object being fetched.
*/
- virtual std::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 std::string HashSum() {return std::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
* 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=HashStringList());
/** \brief Remove this item from its owner's queue by invoking
* pkgAcquire::Remove.
/** \brief Rename failed file and set error
*
* \param state respresenting the error we encountered
- * \param errorMsg a message describing the error
*/
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). */ /*{{{*/
/** \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 Hash that this file should have after download
- */
- HashString ExpectedHash;
-
public:
// Specialized action members
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size,std::string Md5Hash,
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
- virtual std::string DescURI() {return Desc.URI;};
- virtual std::string Custom600Headers();
+ 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 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.
*/
pkgAcqSubIndex(pkgAcquire *Owner, std::string const &URI,std::string const &URIDesc,
- std::string const &ShortDesc, HashString const &ExpectedHash);
+ 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 {{{
*
* \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).
*/
std::string RealURI;
- /** \brief The Hash that the real index file should have after
- * all patches have been applied.
- */
- HashString ExpectedHash;
-
/** \brief The index file which will be patched to generate the new
* file.
*/
public:
// Specialized action members
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size,std::string Md5Hash,
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
- virtual std::string DescURI() {return RealURI + "Index";};
- virtual std::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.
*
*
* \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,std::string URI,std::string URIDesc,
- std::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 {{{
*
* \sa pkgAcqDiffIndex, pkgAcqIndex
*/
-class pkgAcqIndexMergeDiffs : public pkgAcquire::Item
+class pkgAcqIndexMergeDiffs : public pkgAcqBaseIndex
{
protected:
*/
bool Debug;
- /** \brief description of the item that is currently being
- * downloaded.
- */
- pkgAcquire::ItemDesc Desc;
-
/** \brief URI of the package index file that is being
* reconstructed.
*/
std::string RealURI;
- /** \brief HashSum of the package index file that is being
- * reconstructed.
- */
- HashString ExpectedHash;
-
/** \brief description of the file being downloaded. */
std::string Description;
* outright; its arguments are ignored.
*/
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
-
- virtual void Done(std::string Message,unsigned long long Size,std::string Md5Hash,
- pkgAcquire::MethodConfig *Cnf);
- virtual std::string DescURI() {return RealURI + "Index";};
+ 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 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 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,std::string const &URI,std::string const &URIDesc,
- std::string const &ShortDesc, HashString const &ExpectedHash,
- DiffInfo const &patch, std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches);
+ pkgAcqIndexMergeDiffs(pkgAcquire *Owner,
+ struct IndexTarget const * const Target,
+ HashStringList const &ExpectedHash,
+ indexRecords *MetaIndexParser,
+ DiffInfo const &patch,
+ std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches);
};
/*}}}*/
/** \brief An item that is responsible for fetching server-merge patches {{{
*
* \sa pkgAcqDiffIndex, pkgAcqIndex
*/
-class pkgAcqIndexDiffs : public pkgAcquire::Item
+class pkgAcqIndexDiffs : public pkgAcqBaseIndex
{
private:
/** \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.
*
*/
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.
*/
std::string RealURI;
- /** \brief The HashSum of the package index file that is being
- * reconstructed.
- */
- HashString ExpectedHash;
-
/** A description of the file being downloaded. */
std::string Description;
*/
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size,std::string Md5Hash,
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
- virtual std::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.
*
*
* \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,std::string URI,std::string URIDesc,
- std::string ShortDesc, HashString ExpectedHash,
+ pkgAcqIndexDiffs(pkgAcquire *Owner,
+ struct IndexTarget const * const Target,
+ HashStringList const &ExpectedHash,
+ indexRecords *MetaIndexParser,
std::string ServerSha1,
std::vector<DiffInfo> diffs=std::vector<DiffInfo>());
};
*
* \todo Why does pkgAcqIndex have protected members?
*/
-class pkgAcqIndex : public pkgAcquire::Item
+class pkgAcqIndex : public pkgAcqBaseIndex
{
protected:
// the downloaded file contains the expected tag
bool Verify;
- /** \brief The download request that is currently being
- * processed.
- */
- pkgAcquire::ItemDesc Desc;
-
/** \brief The object that is actually being fetched (minus any
* compression-related extensions).
*/
std::string RealURI;
- /** \brief The expected hashsum of the decompressed index file. */
- HashString ExpectedHash;
-
/** \brief The compression-related file extensions that are being
* added to the downloaded file one by one if first fails (e.g., "gz bz2").
*/
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(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size,std::string Md5Hash,
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers();
- virtual std::string DescURI() {return Desc.URI;};
- virtual std::string HashSum() {return ExpectedHash.toStr(); };
+ virtual std::string Custom600Headers() const;
+ virtual std::string DescURI() const {return Desc.URI;};
/** \brief Create a pkgAcqIndex.
*
*
* \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
* fallback is ".gz" or none.
*/
pkgAcqIndex(pkgAcquire *Owner,std::string URI,std::string URIDesc,
- std::string ShortDesc, HashString ExpectedHash,
+ std::string ShortDesc, HashStringList const &ExpectedHashes,
std::string compressExt="");
- pkgAcqIndex(pkgAcquire *Owner, struct IndexTarget const * const Target,
- HashString const &ExpectedHash, indexRecords const *MetaIndexParser);
- void Init(std::string const &URI, std::string const &URIDesc, std::string const &ShortDesc);
+ 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 {{{
public:
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers();
+ virtual std::string Custom600Headers() const;
/** \brief Create a pkgAcqIndexTrans.
*
*/
pkgAcqIndexTrans(pkgAcquire *Owner,std::string URI,std::string URIDesc,
std::string ShortDesc);
- pkgAcqIndexTrans(pkgAcquire *Owner, struct IndexTarget const * const Target,
- HashString const &ExpectedHash, indexRecords const *MetaIndexParser);
+ pkgAcqIndexTrans(pkgAcquire *Owner, IndexTarget const * const Target,
+ HashStringList const &ExpectedHashes, indexRecords *MetaIndexParser);
};
/*}}}*/
/** \brief Information about an index file. */ /*{{{*/
/** \brief The last good signature file */
std::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.
*
* \todo Why a list of pointers instead of a list of structs?
*/
- const std::vector<struct IndexTarget*>* IndexTargets;
+ const std::vector<IndexTarget*>* IndexTargets;
public:
// Specialized action members
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size,std::string Md5Hash,
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers();
- virtual std::string DescURI() {return RealURI; };
+ virtual std::string Custom600Headers() const;
+ virtual std::string DescURI() const {return RealURI; };
/** \brief Create a new pkgAcqMetaSig. */
pkgAcqMetaSig(pkgAcquire *Owner,std::string URI,std::string URIDesc, std::string ShortDesc,
std::string MetaIndexURI, std::string MetaIndexURIDesc, std::string MetaIndexShortDesc,
- const std::vector<struct IndexTarget*>* IndexTargets,
+ const std::vector<IndexTarget*>* IndexTargets,
indexRecords* MetaIndexParser);
virtual ~pkgAcqMetaSig();
};
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.
*/
std::string SigFile;
/** \brief The index files to download. */
- const std::vector<struct IndexTarget*>* IndexTargets;
+ const std::vector<IndexTarget*>* IndexTargets;
/** \brief The parser for the meta-index file. */
indexRecords* MetaIndexParser;
// Specialized action members
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size, std::string Hash,
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers();
- virtual std::string DescURI() {return RealURI; };
+ virtual std::string Custom600Headers() const;
+ virtual std::string DescURI() const {return RealURI; };
/** \brief Create a new pkgAcqMetaIndex. */
pkgAcqMetaIndex(pkgAcquire *Owner,
std::string URI,std::string URIDesc, std::string ShortDesc,
std::string SigFile,
- const std::vector<struct IndexTarget*>* IndexTargets,
+ const std::vector<IndexTarget*>* IndexTargets,
indexRecords* MetaIndexParser);
};
/*}}}*/
public:
void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual std::string Custom600Headers();
+ 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<struct IndexTarget*>* IndexTargets,
+ const std::vector<IndexTarget*>* IndexTargets,
indexRecords* MetaIndexParser);
virtual ~pkgAcqMetaClearSig();
};
/** \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.
*/
*/
pkgRecords *Recs;
- /** \brief The hashsum of this package. */
- HashString ExpectedHash;
-
/** \brief A location in which the actual filename of the package
* should be stored.
*/
public:
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size,std::string Hash,
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
- virtual std::string DescURI() {return Desc.URI;};
- virtual std::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 std::string HashSum() {return ExpectedHash.toStr(); };
- virtual bool IsTrusted();
+ virtual bool IsTrusted() const;
/** \brief Create a new pkgAcqArchive.
*
*/
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.
*/
// Specialized action members
virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(std::string Message,unsigned long long Size,std::string CalcHash,
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &CalcHashes,
pkgAcquire::MethodConfig *Cnf);
- virtual std::string DescURI() {return Desc.URI;};
- virtual std::string HashSum() {return ExpectedHash.toStr(); };
- virtual std::string Custom600Headers();
+ virtual std::string DescURI() const {return Desc.URI;};
+ virtual std::string Custom600Headers() const;
/** \brief Create a new pkgAcqFile object.
*
*
* \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.
* \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/<basename> if
- * DestDir is non-empty, $CWD/<basename> otherwise. If
+ * If DestFilename is empty, download to DestDir/\<basename\> if
+ * DestDir is non-empty, $CWD/\<basename\> 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, std::string URI, std::string Hash, unsigned long long Size,
+ 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);
projects / apt.git / blobdiff