X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b5cabd30cc1be1c6c1ca675ceb359bab577c1905..714c23a791971037518ccc07c497fe3c6451f82c:/apt-pkg/acquire.h diff --git a/apt-pkg/acquire.h b/apt-pkg/acquire.h index 82be8b843..0d2b21233 100644 --- a/apt-pkg/acquire.h +++ b/apt-pkg/acquire.h @@ -1,6 +1,5 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: acquire.h,v 1.29.2.1 2003/12/24 23:09:17 mdz Exp $ /* ###################################################################### Acquire - File Acquiration @@ -68,16 +67,23 @@ #include #include +#include -#include #include +#include -using std::vector; -using std::string; - - +#include #include +#include + +#ifndef APT_10_CLEANER_HEADERS #include +#endif + +#ifndef APT_8_CLEANER_HEADERS +using std::vector; +using std::string; +#endif class pkgAcquireStatus; @@ -91,6 +97,12 @@ class pkgAcquireStatus; */ class pkgAcquire { + private: + /** \brief FD of the Lock file we acquire in Setup (if any) */ + int LockFD; + /** \brief dpointer placeholder (for later in case we need it) */ + void * const d; + public: class Item; @@ -99,10 +111,11 @@ class pkgAcquire struct MethodConfig; struct ItemDesc; friend class Item; + friend class pkgAcqMetaBase; friend class Queue; - typedef vector::iterator ItemIterator; - typedef vector::const_iterator ItemCIterator; + typedef std::vector::iterator ItemIterator; + typedef std::vector::const_iterator ItemCIterator; protected: @@ -111,7 +124,7 @@ class pkgAcquire * This is built monotonically as items are created and only * emptied when the download shuts down. */ - vector Items; + std::vector Items; /** \brief The head of the list of active queues. * @@ -142,12 +155,7 @@ class pkgAcquire /** \brief The progress indicator for this download. */ pkgAcquireStatus *Log; - /** \brief The total size of the files which are to be fetched. - * - * This is not necessarily the total number of bytes to download - * when, e.g., download resumption and list updates via patches - * are taken into account. - */ + /** \brief The number of files which are to be fetched. */ unsigned long ToFetch; // Configurable parameters for the scheduler @@ -201,7 +209,7 @@ class pkgAcquire * \return the string-name of the queue in which a fetch request * for the given URI should be placed. */ - string QueueName(string URI,MethodConfig const *&Config); + std::string QueueName(std::string URI,MethodConfig const *&Config); /** \brief Build up the set of file descriptors upon which select() should * block. @@ -247,7 +255,7 @@ class pkgAcquire * * \return the method whose name is Access, or \b NULL if no such method exists. */ - MethodConfig *GetConfig(string Access); + MethodConfig *GetConfig(std::string Access); /** \brief Provides information on how a download terminated. */ enum RunResult { @@ -280,18 +288,18 @@ class pkgAcquire */ void Shutdown(); - /** \brief Get the first #Worker object. + /** \brief Get the first Worker object. * * \return the first active worker in this download process. */ inline Worker *WorkersBegin() {return Workers;}; - /** \brief Advance to the next #Worker object. + /** \brief Advance to the next Worker object. * * \return the worker immediately following I, or \b NULL if none * exists. */ - Worker *WorkerStep(Worker *I); + Worker *WorkerStep(Worker *I) APT_PURE; /** \brief Get the head of the list of items. */ inline ItemIterator ItemsBegin() {return Items.begin();}; @@ -318,7 +326,7 @@ class pkgAcquire * * \return \b true if the directory exists and is readable. */ - bool Clean(string Dir); + bool Clean(std::string Dir); /** \return the total size in bytes of all the items included in * this download. @@ -344,12 +352,24 @@ class pkgAcquire * long as the pkgAcquire object does. * \param Lock defines a lock file that should be acquired to ensure * only one Acquire class is in action at the time or an empty string - * if no lock file should be used. + * if no lock file should be used. If set also all needed directories + * will be created. */ - bool Setup(pkgAcquireStatus *Progress = NULL, string const &Lock = ""); + APT_DEPRECATED bool Setup(pkgAcquireStatus *Progress = NULL, std::string const &Lock = ""); + + void SetLog(pkgAcquireStatus *Progress) { Log = Progress; } + + /** \brief acquire lock and perform directory setup + * + * \param Lock defines a lock file that should be acquired to ensure + * only one Acquire class is in action at the time or an empty string + * if no lock file should be used. If set also all needed directories + * will be created and setup. + */ + bool GetLock(std::string const &Lock); /** \brief Construct a new pkgAcquire. */ - pkgAcquire(pkgAcquireStatus *Log) __deprecated; + explicit pkgAcquire(pkgAcquireStatus *Log); pkgAcquire(); /** \brief Destroy this pkgAcquire object. @@ -360,16 +380,7 @@ class pkgAcquire virtual ~pkgAcquire(); private: - /** \brief FD of the Lock file we acquire in Setup (if any) */ - int LockFD; - - /** \brief Ensure the existence of the given Path - * - * \param Parent directory of the Path directory - a trailing - * /apt/ will be removed before CreateDirectory call. - * \param Path which should exist after (successful) call - */ - bool CheckDirectory(string const &Parent, string const &Path) const; + APT_HIDDEN void Initialize(); }; /** \brief Represents a single download source from which an item @@ -379,13 +390,13 @@ class pkgAcquire */ struct pkgAcquire::ItemDesc : public WeakPointable { - /** \brief The URI from which to download this item. */ - string URI; - /** brief A description of this item. */ - string Description; - /** brief A shorter description of this item. */ - string ShortDesc; - /** brief The underlying item which is to be downloaded. */ + /** \brief URI from which to download this item. */ + std::string URI; + /** \brief description of this item. */ + std::string Description; + /** \brief shorter description of this item. */ + std::string ShortDesc; + /** \brief underlying item which is to be downloaded. */ Item *Owner; }; /*}}}*/ @@ -399,19 +410,27 @@ class pkgAcquire::Queue friend class pkgAcquire::UriIterator; friend class pkgAcquire::Worker; + /** \brief dpointer placeholder (for later in case we need it) */ + void * const d; + /** \brief The next queue in the pkgAcquire object's list of queues. */ Queue *Next; protected: /** \brief A single item placed in this queue. */ - struct QItem : pkgAcquire::ItemDesc + struct QItem : public ItemDesc { /** \brief The next item in the queue. */ QItem *Next; /** \brief The worker associated with this item, if any. */ pkgAcquire::Worker *Worker; + /** \brief The underlying items interested in the download */ + std::vector Owners; + + typedef std::vector::const_iterator owner_iterator; + /** \brief Assign the ItemDesc portion of this QItem from * another ItemDesc */ @@ -420,12 +439,26 @@ class pkgAcquire::Queue URI = I.URI; Description = I.Description; ShortDesc = I.ShortDesc; + Owners.clear(); + Owners.push_back(I.Owner); Owner = I.Owner; }; + + /** @return the sum of all expected hashes by all owners */ + HashStringList GetExpectedHashes() const; + + /** @return smallest maximum size of all owners */ + unsigned long long GetMaximumSize() const; + + /** \brief get partial files in order */ + void SyncDestinationFiles() const; + + /** @return the custom headers to use for this item */ + std::string Custom600Headers() const; }; - + /** \brief The name of this queue. */ - string Name; + std::string Name; /** \brief The head of the list of items contained in this queue. * @@ -480,13 +513,13 @@ class pkgAcquire::Queue * \return the first item in the queue whose URI is #URI and that * is being downloaded by #Owner. */ - QItem *FindItem(string URI,pkgAcquire::Worker *Owner); + QItem *FindItem(std::string URI,pkgAcquire::Worker *Owner) APT_PURE; /** Presumably this should start downloading an item? * * \todo Unimplemented. Implement it or remove? */ - bool ItemStart(QItem *Itm,unsigned long Size); + bool ItemStart(QItem *Itm,unsigned long long Size); /** \brief Remove the given item from this queue and set its state * to pkgAcquire::Item::StatDone. @@ -543,17 +576,20 @@ class pkgAcquire::Queue * \param Name The name of the new queue. * \param Owner The download process that owns the new queue. */ - Queue(string Name,pkgAcquire *Owner); + Queue(std::string const &Name,pkgAcquire * const Owner); /** Shut down all the worker processes associated with this queue * and empty the queue. */ - ~Queue(); + virtual ~Queue(); }; /*}}}*/ /** \brief Iterates over all the URIs being fetched by a pkgAcquire object. {{{*/ class pkgAcquire::UriIterator { + /** \brief dpointer placeholder (for later in case we need it) */ + void * const d; + /** The next queue to iterate over. */ pkgAcquire::Queue *CurQ; /** The item that we currently point at. */ @@ -573,7 +609,7 @@ class pkgAcquire::UriIterator } }; - inline pkgAcquire::ItemDesc const *operator ->() const {return CurItem;}; + inline pkgAcquire::Queue::QItem const *operator ->() const {return CurItem;}; inline bool operator !=(UriIterator const &rhs) const {return rhs.CurQ != CurQ || rhs.CurItem != CurItem;}; inline bool operator ==(UriIterator const &rhs) const {return rhs.CurQ == CurQ && rhs.CurItem == CurItem;}; @@ -581,19 +617,16 @@ class pkgAcquire::UriIterator * * \param Q The queue over which this UriIterator should iterate. */ - UriIterator(pkgAcquire::Queue *Q) : CurQ(Q), CurItem(0) - { - while (CurItem == 0 && CurQ != 0) - { - CurItem = CurQ->Items; - CurQ = CurQ->Next; - } - } + explicit UriIterator(pkgAcquire::Queue *Q); + virtual ~UriIterator(); }; /*}}}*/ /** \brief Information about the properties of a single acquire method. {{{*/ struct pkgAcquire::MethodConfig { + /** \brief dpointer placeholder (for later in case we need it) */ + void * const d; + /** \brief The next link on the acquire method list. * * \todo Why not an STL container? @@ -601,10 +634,10 @@ struct pkgAcquire::MethodConfig MethodConfig *Next; /** \brief The name of this acquire method (e.g., http). */ - string Access; + std::string Access; /** \brief The implementation version of this acquire method. */ - string Version; + std::string Version; /** \brief If \b true, only one download queue should be created for this * method. @@ -642,16 +675,19 @@ struct pkgAcquire::MethodConfig * appropriate. */ MethodConfig(); + + virtual ~MethodConfig(); }; /*}}}*/ /** \brief A monitor object for downloads controlled by the pkgAcquire class. {{{ * * \todo Why protected members? - * - * \todo Should the double members be uint64_t? */ class pkgAcquireStatus { + /** \brief dpointer placeholder (for later in case we need it) */ + void * const d; + protected: /** \brief The last time at which this monitor object was updated. */ @@ -663,34 +699,34 @@ class pkgAcquireStatus /** \brief The number of bytes fetched as of the previous call to * pkgAcquireStatus::Pulse, including local items. */ - double LastBytes; + unsigned long long LastBytes; /** \brief The current rate of download as of the most recent call * to pkgAcquireStatus::Pulse, in bytes per second. */ - double CurrentCPS; + unsigned long long CurrentCPS; /** \brief The number of bytes fetched as of the most recent call * to pkgAcquireStatus::Pulse, including local items. */ - double CurrentBytes; + unsigned long long CurrentBytes; /** \brief The total number of bytes that need to be fetched. * * \warning This member is inaccurate, as new items might be * enqueued while the download is in progress! */ - double TotalBytes; + unsigned long long TotalBytes; /** \brief The total number of bytes accounted for by items that * were successfully fetched. */ - double FetchedBytes; + unsigned long long FetchedBytes; /** \brief The amount of time that has elapsed since the download * started. */ - unsigned long ElapsedTime; + unsigned long long ElapsedTime; /** \brief The total number of items that need to be fetched. * @@ -702,6 +738,10 @@ class pkgAcquireStatus /** \brief The number of items that have been successfully downloaded. */ unsigned long CurrentItems; + /** \brief The estimated percentage of the download (0-100) + */ + double Percent; + public: /** \brief If \b true, the download scheduler should call Pulse() @@ -723,7 +763,7 @@ class pkgAcquireStatus * * \param ResumePoint How much of the file was already fetched. */ - virtual void Fetched(unsigned long Size,unsigned long ResumePoint); + virtual void Fetched(unsigned long long Size,unsigned long long ResumePoint); /** \brief Invoked when the user should be prompted to change the * inserted removable media. @@ -742,7 +782,7 @@ class pkgAcquireStatus * \todo This is a horrible blocking monster; it should be CPSed * with prejudice. */ - virtual bool MediaChange(string Media,string Drive) = 0; + virtual bool MediaChange(std::string Media,std::string Drive) = 0; /** \brief Invoked when an item is confirmed to be up-to-date. @@ -782,7 +822,7 @@ class pkgAcquireStatus /** \brief Initialize all counters to 0 and the time to the current time. */ pkgAcquireStatus(); - virtual ~pkgAcquireStatus() {}; + virtual ~pkgAcquireStatus(); }; /*}}}*/ /** @} */