diff options
| author | Michael Vogt <mvo@debian.org> | 2005-11-14 12:36:18 +0000 |
|---|---|---|
| committer | Michael Vogt <mvo@debian.org> | 2005-11-14 12:36:18 +0000 |
| commit | 3174e150a3c97a471998cfe73a11bd4996da9ab7 (patch) | |
| tree | 125d08af5d72e74f085a612aa1203e68ae04742b | |
| parent | 98db4dafeaf684d411e41ed73fac089ffdfd2334 (diff) | |
| parent | bc7c97627e28be226e88ec8b2290b820985b802f (diff) | |
* merged daniels wonderful doxygen work
Patches applied:
* dburrows@debian.org--2005/apt--0--base-0
tag of mvo@debian.org--2005/apt--debian-experimental--0--patch-9
* dburrows@debian.org--2005/apt--doxygen--0--base-0
tag of dburrows@debian.org--2005/apt--0--base-0
* dburrows@debian.org--2005/apt--doxygen--0--patch-1
Generate Doxygen output in build/doc/doxygen if Doxygen is installed.
* dburrows@debian.org--2005/apt--doxygen--0--patch-2
Partially document the acquire item objects.
* dburrows@debian.org--2005/apt--doxygen--0--patch-3
Add an 'acquire' group to collect the stuff related to Acquire.
* dburrows@debian.org--2005/apt--doxygen--0--patch-4
Don't pick up emacs autosaves when generating the list of doxygen inputs.
* dburrows@debian.org--2005/apt--doxygen--0--patch-5
Don't include redundant scope information in the doxygen output.
* dburrows@debian.org--2005/apt--doxygen--0--patch-6
Write more general Acquire documentation.
* dburrows@debian.org--2005/apt--doxygen--0--patch-7
I don't know why, but stuff just appeared in my tree.
* dburrows@debian.org--2005/apt--doxygen--0--patch-8
Write/edit more Acquire documentation.
* dburrows@debian.org--2005/apt--doxygen--0--patch-9
Document pkgAcquire::ItemDesc and pkgAcquire::Queue.
* dburrows@debian.org--2005/apt--doxygen--0--patch-10
Document UriIterator (left out documentation of the standard iterator operators).
* dburrows@debian.org--2005/apt--doxygen--0--patch-11
Give pkgAcquire::Queue a brief description.
* dburrows@debian.org--2005/apt--doxygen--0--patch-12
Add a brief description to pkgAcquire::Item.
* dburrows@debian.org--2005/apt--doxygen--0--patch-13
Add a brief description to the DiffInfo class.
* dburrows@debian.org--2005/apt--doxygen--0--patch-14
Document pkgAcquire::MethodConfig.
* dburrows@debian.org--2005/apt--doxygen--0--patch-15
Document pkgAcquireStatus
* dburrows@debian.org--2005/apt--doxygen--0--patch-16
Edit the pkgAcquire::Item documentation to be more in line with how Acquire is documented.
* dburrows@debian.org--2005/apt--doxygen--0--patch-17
Document pkgAcqDiffIndex.
* dburrows@debian.org--2005/apt--doxygen--0--patch-18
Document the Md5Hash parameter to pkgAcquire::Item::Done.
* dburrows@debian.org--2005/apt--doxygen--0--patch-19
Fix a spelling error
* dburrows@debian.org--2005/apt--doxygen--0--patch-20
Document pkgAcqIndexDiffs and fix up some previously written documentation.
* dburrows@debian.org--2005/apt--doxygen--0--patch-21
Mark the brief descriptions in the acquire item documentation.
* dburrows@debian.org--2005/apt--doxygen--0--patch-22
Add documentation about the format of the Message parameter to Done&friends.
* dburrows@debian.org--2005/apt--doxygen--0--patch-23
Document pkgAcqIndex.
* dburrows@debian.org--2005/apt--doxygen--0--patch-24
Document pkgAcqIndexTrans.
* dburrows@debian.org--2005/apt--doxygen--0--patch-25
Autogenerate Doxyfile when Doxyfile.in is modified.
* dburrows@debian.org--2005/apt--doxygen--0--patch-26
Check for graphviz in configure.
* dburrows@debian.org--2005/apt--doxygen--0--patch-27
Fix the detection of dot.
* dburrows@debian.org--2005/apt--doxygen--0--patch-28
If dot is detected, use it to build the documentation.
* dburrows@debian.org--2005/apt--doxygen--0--patch-29
Argh, pot update.
* dburrows@debian.org--2005/apt--doxygen--0--patch-30
Require graphviz when building the Debian packages.
* dburrows@debian.org--2005/apt--doxygen--0--patch-31
Document IndexTarget.
* dburrows@debian.org--2005/apt--doxygen--0--patch-32
Consistently capitalize the first word following \param.
* dburrows@debian.org--2005/apt--doxygen--0--patch-33
Document pkgAcqMetaSig.
* dburrows@debian.org--2005/apt--doxygen--0--patch-34
Be a bit clearer about just what a pkgAcquire::Item is.
* dburrows@debian.org--2005/apt--doxygen--0--patch-35
Document pkgAcqMetaIndex.
* dburrows@debian.org--2005/apt--doxygen--0--patch-36
Document pkgAcqArchive
* dburrows@debian.org--2005/apt--doxygen--0--patch-37
Document pkgAcqFile
* dburrows@debian.org--2005/apt--doxygen--0--patch-38
Apply patches from mvo
* dburrows@debian.org--2005/apt--doxygen--0--patch-39
Update the Doxyfile template.
* dburrows@debian.org--2005/apt--doxygen--0--patch-40
Enable BUILTIN_STL_SUPPORT.
* dburrows@debian.org--2005/apt--doxygen--0--patch-41
Whoops: \e, not \i, is used to enable italics.
* dburrows@debian.org--2005/apt--doxygen--0--patch-42
Editorial changes and clarifications to the documentation in acquire-item.h
* dburrows@debian.org--2005/apt--doxygen--0--patch-43
Clean out the old doxygen output before generating new output.
* dburrows@debian.org--2005/apt--doxygen--0--patch-44
Fix setting and using the DOT_PATH doxygen configuration parameter.
* dburrows@debian.org--2005/apt--doxygen--0--patch-45
Make the documentation of ��pkgAcquire::MethodConfig::SendConfig somewhat more accurate.
* dburrows@debian.org--2005/apt--doxygen--0--patch-46
Partially document pkgAcquire::Worker.
* dburrows@debian.org--2005/apt--doxygen--0--patch-47
Finish documenting pkgAcquire::Worker
* michael.vogt@ubuntu.com--laptop/apt--doxygen--0--base-0
tag of dburrows@debian.org--2005/apt--doxygen--0--patch-37
* michael.vogt@ubuntu.com--laptop/apt--doxygen--0--patch-1
* some documentation updates
* michael.vogt@ubuntu.com--laptop/apt--doxygen--0--patch-2
* apt-pkg/acquire-item.h: reviewed and some modifications
* michael.vogt@ubuntu.com--laptop/apt--doxygen--0--patch-3
* minor doc update
* michael.vogt@ubuntu.com--laptop/apt--doxygen--0--patch-4
* updated after the input from dburrows
* mvo@debian.org--2005/apt--debian-sid--0--base-0
tag of michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-71
* mvo@debian.org--2005/apt--debian-sid--0--patch-1
* merged with apt--mvo--0
* mvo@debian.org--2005/apt--debian-sid--0--patch-2
* merged with apt--mvo
* mvo@debian.org--2005/apt--debian-sid--0--patch-3
* updated apt-all.pot
* mvo@debian.org--2005/apt--debian-sid--0--patch-4
* merged with apt--mvo
* mvo@debian.org--2005/apt--debian-sid--0--patch-5
* merge with apt--mvo--0
* mvo@debian.org--2005/apt--debian-sid--0--patch-6
* merge with apt--mvo
* mvo@debian.org--2005/apt--debian-sid--0--patch-7
* applied patch from Petr Vandrovec to fix http download corruption
* mvo@debian.org--2005/apt--debian-sid--0--patch-8
* merged with apt--mvo, regenerated the po files
* mvo@debian.org--2005/apt--debian-sid--0--patch-9
* merged with apt--mvo
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | apt-pkg/acquire-item.cc | 2 | ||||
| -rw-r--r-- | apt-pkg/acquire-item.h | 666 | ||||
| -rw-r--r-- | apt-pkg/acquire-method.h | 9 | ||||
| -rw-r--r-- | apt-pkg/acquire-worker.h | 259 | ||||
| -rw-r--r-- | apt-pkg/acquire.h | 541 | ||||
| -rw-r--r-- | buildlib/environment.mak.in | 2 | ||||
| -rw-r--r-- | configure.in | 11 | ||||
| -rw-r--r-- | debian/control | 2 | ||||
| -rw-r--r-- | doc/Doxyfile.in | 1238 | ||||
| -rw-r--r-- | doc/makefile | 21 |
11 files changed, 2666 insertions, 87 deletions
@@ -26,7 +26,7 @@ maintainer-clean dist-clean distclean pristine sanity: veryclean # The startup target builds the necessary configure scripts. It should # be used after a CVS checkout. -CONVERTED=environment.mak include/config.h include/apti18n.h makefile +CONVERTED=environment.mak include/config.h include/apti18n.h build/doc/Doxyfile makefile include buildlib/configure.mak $(BUILDDIR)/include/config.h: buildlib/config.h.in $(BUILDDIR)/include/apti18n.h: buildlib/apti18n.h.in diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index 9fb7b57c2..7c1626bff 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -362,7 +362,7 @@ void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf) { if(Debug) std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl - << "Falling back to normal index file aquire" << std::endl; + << "Falling back to normal index file acquire" << std::endl; new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc, ExpectedMD5); Finish(); diff --git a/apt-pkg/acquire-item.h b/apt-pkg/acquire-item.h index 34fcc2a76..323dff256 100644 --- a/apt-pkg/acquire-item.h +++ b/apt-pkg/acquire-item.h @@ -31,73 +31,283 @@ #pragma interface "apt-pkg/acquire-item.h" #endif -// Item to acquire +/** \addtogroup acquire + * @{ + * + * \file acquire-item.h + */ + +/** \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 + * acquire queue when they are created by calling QueueURI(), and + * remove themselves by calling Dequeue() when either Done() or + * Failed() is invoked. Item objects are also responsible for + * notifying the download progress indicator (accessible via + * #Owner->Log) of their status. + * + * \see pkgAcquire + */ class pkgAcquire::Item { protected: - // Some private helper methods for registering URIs + /** \brief The acquire object with which this item is associated. */ pkgAcquire *Owner; + + /** \brief Insert this item into its owner's queue. + * + * \param ItemDesc Metadata about this item (its URI and + * description). + */ inline void QueueURI(ItemDesc &Item) {Owner->Enqueue(Item);}; + + /** \brief Remove this item from its owner's queue. */ inline void Dequeue() {Owner->Dequeue(this);}; - // Safe rename function with timestamp preservation + /** \brief Rename a file without modifying its timestamp. + * + * Many item methods call this as their final action. + * + * \param From The file to be renamed. + * + * \param To The new name of #From. If #To exists it will be + * overwritten. + */ void Rename(string From,string To); public: - // State of the item - enum {StatIdle, StatFetching, StatDone, StatError, StatAuthError} Status; + /** \brief The current status of this item. */ + enum ItemState + { + /** \brief The item is waiting to be downloaded. */ + StatIdle, + + /** \brief The item is currently being downloaded. */ + StatFetching, + + /** \brief The item has been successfully downloaded. */ + StatDone, + + /** \brief An error was encountered while downloading this + * item. + */ + StatError, + + /** \brief The item was downloaded but its authenticity could + * not be verified. + */ + StatAuthError + } Status; + + /** \brief Contains a textual description of the error encountered + * if #Status is #StatError or #StatAuthError. + */ string ErrorText; + + /** \brief The size of the object to fetch. */ unsigned long FileSize; - unsigned long PartialSize; + + /** \brief How much of the object was already fetched. */ + unsigned long PartialSize; + + /** \brief If not \b NULL, contains the name of a subprocess that + * is operating on this object (for instance, "gzip" or "gpgv"). + */ const char *Mode; + + /** \brief A client-supplied unique identifier. + * + * This field is initalized to 0; it is meant to be filled in by + * clients that wish to use it to uniquely identify items. + * + * \todo it's unused in apt itself + */ unsigned long ID; + + /** \brief If \b true, the entire object has been successfully fetched. + * + * Subclasses should set this to \b true when appropriate. + */ bool Complete; + + /** \brief If \b true, the URI of this object is "local". + * + * The only effect of this field is to exclude the object from the + * download progress indicator's overall statistics. + */ bool Local; - // Number of queues we are inserted into + /** \brief The number of fetch queues into which this item has been + * inserted. + * + * There is one queue for each source from which an item could be + * downloaded. + * + * \sa pkgAcquire + */ unsigned int QueueCounter; - // File to write the fetch into + /** \brief The name of the file into which the retrieved object + * will be written. + */ string DestFile; - // Action members invoked by the worker + /** \brief Invoked by the acquire worker when the object couldn't + * be fetched. + * + * This is a branch of the continuation of the fetch process. + * + * \param Message An RFC822-formatted message from the acquire + * method describing what went wrong. Use LookupTag() to parse + * it. + * + * \param Cnf The method via which the worker tried to fetch this object. + * + * \sa pkgAcqMethod + */ virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); + + /** \brief Invoked by the acquire worker when the object was + * fetched successfully. + * + * Note that the object might \e not have been written to + * DestFile; check for the presence of an Alt-Filename entry in + * Message to find the file to which it was really written. + * + * Done is often used to switch from one stage of the processing + * to the next (e.g. fetching, unpacking, copying). It is one + * branch of the continuation of the fetch process. + * + * \param Message Data from the acquire method. Use LookupTag() + * to parse it. + * \param Size The size of the object that was fetched. + * \param Md5Hash The MD5Sum 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 Md5Hash, pkgAcquire::MethodConfig *Cnf); + + /** \brief Invoked when the worker starts to fetch this object. + * + * \param Message RFC822-formatted data from the worker process. + * Use LookupTag() to parse it. + * + * \param Size The size of the object being fetched. + * + * \sa pkgAcqMethod + */ virtual void Start(string Message,unsigned long Size); + + /** \brief Custom headers to be sent to the fetch process. + * + * \return a string containing RFC822-style headers that are to be + * inserted into the 600 URI Acquire message sent to the fetch + * subprocess. The headers are inserted after a newline-less + * line, so they should (if nonempty) have a leading newline and + * no trailing newline. + */ virtual string Custom600Headers() {return string();}; + + /** \brief A "descriptive" URI-like string. + * + * \return a URI that should be used to describe what is being fetched. + */ virtual string DescURI() = 0; + /** \brief Short item description. + * + * \return a brief description of the object being fetched. + */ virtual string ShortDesc() {return DescURI();} + + /** \brief Invoked by the worker when the download is completely done. */ virtual void Finished() {}; - // Inquire functions + /** \brief MD5Sum. + * + * \return the MD5Sum of this object, if applicable; otherwise, an + * empty string. + */ virtual string MD5Sum() {return string();}; + + /** \return the acquire process with which this item is associated. */ pkgAcquire *GetOwner() {return Owner;}; + + /** \return \b true if this object is being fetched from a trusted source. */ virtual bool IsTrusted() {return false;}; - + + /** \brief Initialize an item. + * + * Adds the item to the list of items known to the acquire + * 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. + */ Item(pkgAcquire *Owner); + + /** \brief Remove this item from its owner's queue by invoking + * pkgAcquire::Remove. + */ virtual ~Item(); }; -// item for index diffs - +/** \brief Information about an index patch (aka diff). */ struct DiffInfo { + /** The filename of the diff. */ string file; + + /** The sha1 hash of the diff. */ string sha1; + + /** The size of the diff. */ unsigned long size; }; +/** \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 + * additional downloads of either the individual patches (using + * pkgAcqIndexDiffs) or the entire Packages file (using pkgAcqIndex). + * + * \sa pkgAcqIndexDiffs, pkgAcqIndex + */ class pkgAcqDiffIndex : public pkgAcquire::Item { 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 MD5Sum that the real index file should have after + * all patches have been applied. + */ string ExpectedMD5; + + /** \brief The index file which will be patched to generate the new + * file. + */ string CurrentPackagesFile; + + /** \brief A description of the Packages file (stored in + * pkgAcquire::ItemDesc::Description). + */ string Description; public: @@ -108,54 +318,199 @@ class pkgAcqDiffIndex : public pkgAcquire::Item virtual string DescURI() {return RealURI + "Index";}; virtual string Custom600Headers(); - // helpers + /** \brief Parse the Index file for a set of Packages diffs. + * + * Parses the Index file and creates additional download items as + * necessary. + * + * \param IndexDiffFile The name of the Index file. + * + * \return \b true if the Index file was successfully parsed, \b + * false otherwise. + */ bool ParseDiffIndex(string IndexDiffFile); + + /** \brief Create a new pkgAcqDiffIndex. + * + * \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 ExpectedMD5 The list file's MD5 signature. + */ pkgAcqDiffIndex(pkgAcquire *Owner,string URI,string URIDesc, - string ShortDesct, string ExpectedMD5); + string ShortDesc, string ExpectedMD5); }; +/** \brief An item that is responsible for fetching all the patches + * that need to be applied to a given package index file. + * + * After downloading and applying a single patch, this item will + * enqueue a new pkgAcqIndexDiffs to download and apply the remaining + * patches. If no patch can be found that applies to an intermediate + * file or if one of the patches cannot be downloaded, falls back to + * downloading the entire package index file using pkgAcqIndex. + * + * \sa pkgAcqDiffIndex, pkgAcqIndex + */ class pkgAcqIndexDiffs : public pkgAcquire::Item { + private: + + /** \brief Queue up the next diff download. + * + * Search for the next available diff that applies to the file + * that currently exists on disk, and enqueue it by calling + * QueueURI(). + * + * \return \b true if an applicable diff was found, \b false + * otherwise. + */ + bool QueueNextDiff(); + + /** \brief Handle tasks that must be performed after the item + * finishes downloading. + * + * Dequeues the item and checks the resulting file's md5sum + * against ExpectedMD5 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. + * + * \param allDone If \b true, the file was entirely reconstructed, + * and its md5sum is verified. + */ + void Finish(bool allDone=false); + protected: + + /** \brief If \b true, debugging output will be written to + * std::clog. + */ 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 MD5Sum of the package index file that is being + * reconstructed. + */ string ExpectedMD5; - // this is the SHA-1 sum we expect after the patching + /** A description of the file being downloaded. */ string Description; + + /** The patches that remain to be downloaded, including the patch + * being downloaded right now. This list should be ordered so + * that each diff appears before any diff that depends on it. + * + * \todo These are indexed by sha1sum; why not use some sort of + * dictionary instead of relying on ordering and stripping them + * off the front? + */ vector<DiffInfo> available_patches; - enum {StateFetchIndex,StateFetchDiff,StateUnzipDiff,StateApplyDiff} State; + /** The current status of this patch. */ + enum DiffState + { + /** \brief The diff is in an unknown state. */ + StateFetchUnkown, + + /** \brief The diff is currently being fetched. */ + StateFetchDiff, + + /** \brief The diff is currently being uncompressed. */ + StateUnzipDiff, + + /** \brief The diff is currently being applied. */ + StateApplyDiff + } State; public: - // Specialized action members + /** \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(string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Done(string Message,unsigned long Size,string Md5Hash, pkgAcquire::MethodConfig *Cnf); virtual string DescURI() {return RealURI + "Index";}; - // various helpers - bool QueueNextDiff(); - bool ApplyDiff(string PatchFile); - void Finish(bool allDone=false); - + /** \brief Create an index diff item. + * + * After filling in its basic fields, this invokes Finish(true) if + * #diffs is empty, or QueueNextDiff() otherwise. + * + * \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 ExpectedMD5 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 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 ShortDesct, string ExpectedMD5, + string ShortDesc, string ExpectedMD5, vector<DiffInfo> diffs=vector<DiffInfo>()); }; -// Item class for index files +/** \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 { protected: - + + /** \brief If \b true, the index file has been decompressed. */ bool Decompression; + + /** \brief If \b true, the partially downloaded file will be + * removed when the download completes. + */ bool Erase; + + /** \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). + */ string RealURI; + + /** \brief The expected md5sum of the decompressed index file. */ string ExpectedMD5; + + /** \brief The compression-related file extension that is being + * added to the downloaded file (e.g., ".gz" or ".bz2"). + */ string CompressionExtension; public: @@ -167,36 +522,120 @@ class pkgAcqIndex : public pkgAcquire::Item virtual string Custom600Headers(); virtual string DescURI() {return RealURI + CompressionExtension;}; + /** \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 ExpectedMD5 The expected md5sum 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). + */ pkgAcqIndex(pkgAcquire *Owner,string URI,string URIDesc, - string ShortDesct, string ExpectedMD5, string compressExt=""); + string ShortDesc, string ExpectedMD5, string compressExt=""); }; -// Item class for translated package index files +/** \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); + + /** \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. + * + * \param ExpectedMD5 The expected md5sum 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 ShortDesct); + string ShortDesc); }; +/** \brief Information about an index file. */ struct IndexTarget { + /** \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; }; -// Item class for index signatures +/** \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 fetch request that is currently being processed. */ pkgAcquire::ItemDesc Desc; - string RealURI,MetaIndexURI,MetaIndexURIDesc,MetaIndexShortDesc; + + /** \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: @@ -208,27 +647,88 @@ class pkgAcqMetaSig : public pkgAcquire::Item 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); }; -// Item class for index signatures +/** \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 md5sums + * of the index files will be the md5sums listed in the meta-index; + * otherwise, the expected md5sums 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; - string RealURI; // FIXME: is this redundant w/ Desc.URI? + + /** \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; + + /** \brief The index files to download. */ const vector<struct IndexTarget*>* IndexTargets; + + /** \brief The parser for the meta-index file. */ indexRecords* MetaIndexParser; + + /** \brief If \b true, the index's signature is currently being verified. + */ bool AuthPass; + /** \brief Check that the release file is a release file for the + * correct distribution. + * + * \return \b true if no fatal errors were encountered. + */ bool VerifyVendor(); + + /** \brief Called when a file is finished being retrieved. + * + * If the file was not downloaded to DestFile, a copy process is + * set up to copy it to DestFile; otherwise, Complete is set to \b + * true and the file is moved to its final location. + * + * \param Message The message block received from the fetch + * subprocess. + */ void RetrievalDone(string Message); + + /** \brief Called when authentication succeeded. + * + * Sanity-checks the authenticated file, queues up the individual + * index files for download, and saves the signature in the lists + * directory next to the authenticated list file. + * + * \param Message The message block received from the fetch + * subprocess. + */ void AuthDone(string Message); + + /** \brief Starts downloading the individual index files. + * + * \param verify If \b true, only indices whose expected md5sum + * can be determined from the meta-index will be downloaded, and + * the md5sums of indices will be checked (reporting + * #StatAuthError if there is a mismatch). If verify is \b false, + * no md5sum checking will be performed. + */ void QueueIndexes(bool verify); public: @@ -240,6 +740,7 @@ class pkgAcqMetaIndex : public pkgAcquire::Item virtual string Custom600Headers(); virtual string DescURI() {return RealURI; }; + /** \brief Create a new pkgAcqMetaIndex. */ pkgAcqMetaIndex(pkgAcquire *Owner, string URI,string URIDesc, string ShortDesc, string SigFile, @@ -247,28 +748,58 @@ class pkgAcqMetaIndex : public pkgAcquire::Item indexRecords* MetaIndexParser); }; -// Item class for archive files +/** \brief An item that is responsible for fetching a package file. + * + * If the package file already exists in the cache, nothing will be + * done. + */ class pkgAcqArchive : public pkgAcquire::Item { protected: - - // State information for the retry mechanism + /** \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. + */ pkgSourceList *Sources; + + /** \brief A package records object, used to look up the file + * corresponding to each version of the package. + */ pkgRecords *Recs; + + /** \brief The md5sum of this package. */ string MD5; + + /** \brief A location in which the actual filename of the package + * should be stored. + */ string &StoreFilename; + + /** \brief The next file for this version to try to download. */ pkgCache::VerFileIterator Vf; + + /** \brief How many (more) times to try to find a new source from + * which to download this package version if it fails. + * + * Set from Acquire::Retries. + */ unsigned int Retries; + + /** \brief \b true if this version file is being downloaded from a + * trusted source. + */ bool Trusted; - // Queue the next available file for download. + /** \brief Queue up the next available file for this version. */ bool QueueNext(); public: - // Specialized action members virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); virtual void Done(string Message,unsigned long Size,string Md5Hash, pkgAcquire::MethodConfig *Cnf); @@ -276,18 +807,49 @@ class pkgAcqArchive : public pkgAcquire::Item virtual string DescURI() {return Desc.URI;}; virtual string ShortDesc() {return Desc.ShortDesc;}; virtual void Finished(); + virtual bool IsTrusted(); + /** \brief Create a new pkgAcqArchive. + * + * \param Owner The pkgAcquire object with which this item is + * associated. + * + * \param Sources The sources from which to download version + * files. + * + * \param Recs A package records object, used to look up the file + * corresponding to each version of the package. + * + * \param Version The package version to download. + * + * \param 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); }; -// Fetch a generic 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 + * partial file is renamed to get a ".FAILED" extension. + */ class pkgAcqFile : public pkgAcquire::Item { + /** \brief The currently active download process. */ pkgAcquire::ItemDesc Desc; + + /** \brief The md5sum of the file to download, if it is known. */ string Md5Hash; + + /** \brief How many times to retry the download, set from + * Acquire::Retries. + */ unsigned int Retries; public: @@ -298,9 +860,29 @@ class pkgAcqFile : public pkgAcquire::Item pkgAcquire::MethodConfig *Cnf); virtual string MD5Sum() {return Md5Hash;}; virtual string DescURI() {return Desc.URI;}; - + + /** \brief Create a new pkgAcqFile object. + * + * \param Owner The pkgAcquire object with which this object is + * associated. + * + * \param URI The URI to download. + * + * \param MD5 The md5sum of the file to download, if it is known; + * otherwise "". + * + * \param Size The size of the file to download, if it is known; + * otherwise 0. + * + * \param Desc A description of the file being downloaded. + * + * \param ShortDesc A brief description of the file being + * downloaded. + */ pkgAcqFile(pkgAcquire *Owner,string URI,string MD5,unsigned long Size, string Desc,string ShortDesc); }; +/** @} */ + #endif diff --git a/apt-pkg/acquire-method.h b/apt-pkg/acquire-method.h index f46209d12..4f08a43ae 100644 --- a/apt-pkg/acquire-method.h +++ b/apt-pkg/acquire-method.h @@ -10,6 +10,13 @@ ##################################################################### */ /*}}}*/ + +/** \addtogroup acquire + * @{ + * + * \file acquire-method.h + */ + #ifndef PKGLIB_ACQUIRE_METHOD_H #define PKGLIB_ACQUIRE_METHOD_H @@ -86,4 +93,6 @@ class pkgAcqMethod virtual ~pkgAcqMethod() {}; }; +/** @} */ + #endif diff --git a/apt-pkg/acquire-worker.h b/apt-pkg/acquire-worker.h index 6e1952202..1f6bcc05f 100644 --- a/apt-pkg/acquire-worker.h +++ b/apt-pkg/acquire-worker.h @@ -9,6 +9,13 @@ ##################################################################### */ /*}}}*/ + +/** \addtogroup acquire + * @{ + * + * \file acquire-worker.h + */ + #ifndef PKGLIB_ACQUIRE_WORKER_H #define PKGLIB_ACQUIRE_WORKER_H @@ -18,7 +25,25 @@ #pragma interface "apt-pkg/acquire-worker.h" #endif -// Interfacing to the method process +/** \brief A fetch subprocess. + * + * A worker process is responsible for one stage of the fetch. This + * class encapsulates the communications protocol between the master + * process and the worker, from the master end. + * + * Each worker is intrinsically placed on two linked lists. The + * Queue list (maintained in the #NextQueue variable) is maintained + * by the pkgAcquire::Queue class; it represents the set of workers + * assigned to a particular queue. The Acquire list (maintained in + * the #NextAcquire variable) is maintained by the pkgAcquire class; + * it represents the set of active workers for a particular + * pkgAcquire object. + * + * \todo Like everything else in the Acquire system, this has way too + * many protected items. + * + * \sa pkgAcqMethod, pkgAcquire::Item, pkgAcquire + */ class pkgAcquire::Worker { friend class pkgAcquire; @@ -26,64 +51,274 @@ class pkgAcquire::Worker protected: friend class Queue; - /* Linked list starting at a Queue and a linked list starting - at Acquire */ + /** \brief The next link on the Queue list. + * + * \todo This is always NULL; is it just for future use? + */ Worker *NextQueue; + + /** \brief The next link on the Acquire list. */ Worker *NextAcquire; - // The access association + /** \brief The Queue with which this worker is associated. */ Queue *OwnerQ; + + /** \brief The download progress indicator to which progress + * messages should be sent. + */ pkgAcquireStatus *Log; + + /** \brief The configuration of this method. On startup, the + * target of this pointer is filled in with basic data about the + * method, as reported by the worker. + */ MethodConfig *Config; + + /** \brief The access method to be used by this worker. + * + * \todo Doesn't this duplicate Config->Access? + */ string Access; - // This is the subprocess IPC setup + /** \brief The PID of the subprocess. */ pid_t Process; + + /** \brief A file descriptor connected to the standard output of + * the subprocess. + * + * Used to read messages and data from the subprocess. + */ int InFd; + + /** \brief A file descriptor connected to the standard input of the + * subprocess. + * + * Used to send commands and configuration data to the subprocess. + */ int OutFd; + + /** \brief Set to \b true if the worker is in a state in which it + * might generate data or command responses. + * + * \todo Is this right? It's a guess. + */ bool InReady; + + /** \brief Set to \b true if the worker is in a state in which it + * is legal to send commands to it. + * + * \todo Is this right? + */ bool OutReady; - // Various internal things + /** If \b true, debugging output will be sent to std::clog. */ bool Debug; + + /** \brief The raw text values of messages received from the + * worker, in sequence. + */ vector<string> MessageQueue; + + /** \brief Buffers pending writes to the subprocess. + * + * \todo Wouldn't a std::dequeue be more appropriate? + */ string OutQueue; - // Private constructor helper + /** \brief Common code for the constructor. + * + * Initializes NextQueue and NextAcquire to NULL; Process, InFd, + * and OutFd to -1, OutReady and InReady to \b false, and Debug + * from _config. + */ void Construct(); - // Message handling things + /** \brief Retrieve any available messages from the subprocess. + * + * The messages are retrieved as in ::ReadMessages(), and + * MessageFailure() is invoked if an error occurs; in particular, + * if the pipe to the subprocess dies unexpectedly while a message + * is being read. + * + * \return \b true if the messages were successfully read, \b + * false otherwise. + */ bool ReadMessages(); + + /** \brief Parse and dispatch pending messages. + * + * This dispatches the message in a manner appropriate for its + * type. + * + * \todo Several message types lack separate handlers. + * + * \sa Capabilities(), SendConfiguration(), MediaChange() + */ bool RunMessages(); + + /** \brief Read and dispatch any pending messages from the + * subprocess. + * + * \return \b false if the subprocess died unexpectedly while a + * message was being transmitted. + */ bool InFdReady(); + + /** \brief Send any pending commands to the subprocess. + * + * This method will fail if there is no pending output. + * + * \return \b true if all commands were succeeded, \b false if an + * error occurred (in which case MethodFailure() will be invoked). + */ bool OutFdReady(); - // The message handlers + /** \brief Handle a 100 Capabilities response from the subprocess. + * + * \param Message the raw text of the message from the subprocess. + * + * The message will be parsed and its contents used to fill + * #Config. If #Config is NULL, this routine is a NOP. + * + * \return \b true. + */ bool Capabilities(string Message); + + /** \brief Send a 601 Configuration message (containing the APT + * configuration) to the subprocess. + * + * The APT configuration will be send to the subprocess in a + * message of the following form: + * + * <pre> + * 601 Configuration + * Config-Item: Fully-Qualified-Item=Val + * Config-Item: Fully-Qualified-Item=Val + * ... + * </pre> + * + * \return \b true if the command was successfully sent, \b false + * otherwise. + */ bool SendConfiguration(); + + /** \brief Handle a 403 Media Change message. + * + * \param Message the raw text of the message; the Media field + * indicates what type of media should be changed, and the Drive + * field indicates where the media is located. + * + * Invokes pkgAcquireStatus::MediaChange(Media, Drive) to ask the + * user to swap disks; informs the subprocess of the result (via + * 603 Media Changed, with the Failed field set to \b true if the + * user cancelled the media change). + */ bool MediaChange(string Message); + /** \brief Invoked when the worked process dies unexpectedly. + * + * Waits for the subprocess to terminate and generates an error if + * it terminated abnormally, then closes and blanks out all file + * descriptors. Discards all pending messages from the + * subprocess. + * + * \return \b false. + */ bool MethodFailure(); + + /** \brief Invoked when a fetch job is completed, either + * successfully or unsuccessfully. + * + * Resets the status information for the worker process. + */ void ItemDone(); public: - // The curent method state + /** \brief The queue entry that is currently being downloaded. */ pkgAcquire::Queue::QItem *CurrentItem; + + /** \brief The most recent status string received from the + * subprocess. + */ string Status; + + /** \brief How many bytes of the file have been downloaded. Zero + * if the current progress of the file cannot be determined. + */ unsigned long CurrentSize; + + /** \brief The total number of bytes to be downloaded. Zero if the + * total size of the final is unknown. + */ unsigned long TotalSize; + + /** \brief How much of the file was already downloaded prior to + * starting this worker. + */ unsigned long ResumePoint; - // Load the method and do the startup + /** \brief Tell the subprocess to download the given item. + * + * \param Item the item to queue up. + * \return \b true if the item was successfully enqueued. + * + * Queues up a 600 URI Acquire message for the given item to be + * sent at the next possible moment. Does \e not flush the output + * queue. + */ bool QueueItem(pkgAcquire::Queue::QItem *Item); + + /** \brief Start up the worker and fill in #Config. + * + * Reads the first message from the worker, which is assumed to be + * a 100 Capabilities message. + * + * \return \b true if all operations completed successfully. + */ bool Start(); + + /** \brief Update the worker statistics (CurrentSize, TotalSize, + * etc). + */ void Pulse(); + + /** \return The fetch method configuration. */ inline const MethodConfig *GetConf() const {return Config;}; - + + /** \brief Create a new Worker to download files. + * + * \param OwnerQ The queue into which this worker should be + * placed. + * + * \param Config A location in which to store information about + * the fetch method. + * + * \param Log The download progress indicator that should be used + * to report the progress of this worker. + */ Worker(Queue *OwnerQ,MethodConfig *Config,pkgAcquireStatus *Log); + + /** \brief Create a new Worker that should just retrieve + * information about the fetch method. + * + * Nothing in particular forces you to refrain from actually + * downloading stuff, but the various status callbacks won't be + * invoked. + * + * \param Config A location in which to store information about + * the fetch method. + */ Worker(MethodConfig *Config); + + /** \brief Clean up this worker. + * + * Closes the file descriptors; if MethodConfig::NeedsCleanup is + * \b false, also rudely interrupts the worker with a SIGINT. + */ ~Worker(); }; +/** @} */ + #endif diff --git a/apt-pkg/acquire.h b/apt-pkg/acquire.h index 27bb3d363..64dafdc9d 100644 --- a/apt-pkg/acquire.h +++ b/apt-pkg/acquire.h @@ -29,6 +29,40 @@ ##################################################################### */ /*}}}*/ + +/** \defgroup acquire Acquire system + * + * \brief The Acquire system is responsible for retrieving files from + * local or remote URIs and postprocessing them (for instance, + * verifying their authenticity). The core class in this system is + * pkgAcquire, which is responsible for managing the download queues + * during the download. There is at least one download queue for + * each supported protocol; protocols such as http may provide one + * queue per host. + * + * Each file to download is represented by a subclass of + * pkgAcquire::Item. The files add themselves to the download + * queue(s) by providing their URI information to + * pkgAcquire::Item::QueueURI, which calls pkgAcquire::Enqueue. + * + * Once the system is set up, the Run method will spawn subprocesses + * to handle the enqueued URIs; the scheduler will then take items + * from the queues and feed them into the handlers until the queues + * are empty. + * + * \todo Acquire supports inserting an object into several queues at + * once, but it is not clear what its behavior in this case is, and + * no subclass of pkgAcquire::Item seems to actually use this + * capability. + */ + +/** \addtogroup acquire + * + * @{ + * + * \file acquire.h + */ + #ifndef PKGLIB_ACQUIRE_H #define PKGLIB_ACQUIRE_H @@ -46,6 +80,15 @@ using std::string; #include <unistd.h> class pkgAcquireStatus; + +/** \brief The core download scheduler. + * + * This class represents an ongoing download. It manages the lists + * of active and pending downloads and handles setting up and tearing + * down download-related structures. + * + * \todo Why all the protected data items and methods? + */ class pkgAcquire { public: @@ -60,97 +103,299 @@ class pkgAcquire typedef vector<Item *>::iterator ItemIterator; typedef vector<Item *>::const_iterator ItemCIterator; - + protected: - // List of items to fetch + /** \brief A list of items to download. + * + * This is built monotonically as items are created and only + * emptied when the download shuts down. + */ vector<Item *> Items; - // List of active queues and fetched method configuration parameters + /** \brief The head of the list of active queues. + * + * \todo why a hand-managed list of queues instead of std::list or + * std::set? + */ Queue *Queues; + + /** \brief The head of the list of active workers. + * + * \todo why a hand-managed list of workers instead of std::list + * or std::set? + */ Worker *Workers; + + /** \brief The head of the list of acquire method configurations. + * + * Each protocol (http, ftp, gzip, etc) via which files can be + * fetched can have a representation in this list. The + * configuration data is filled in by parsing the 100 Capabilities + * string output by a method on startup (see + * pkgAcqMethod::pkgAcqMethod and pkgAcquire::GetConfig). + * + * \todo why a hand-managed config dictionary instead of std::map? + */ MethodConfig *Configs; + + /** \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. + */ unsigned long ToFetch; - // Configurable parameters for the schedular - enum {QueueHost,QueueAccess} QueueMode; + // Configurable parameters for the scheduler + + /** \brief Represents the queuing strategy for remote URIs. */ + enum QueueStrategy { + /** \brief Generate one queue for each protocol/host combination; downloads from + * multiple hosts can proceed in parallel. + */ + QueueHost, + /** \brief Generate a single queue for each protocol; serialize + * downloads from multiple hosts. + */ + QueueAccess} QueueMode; + + /** \brief If \b true, debugging information will be dumped to std::clog. */ bool Debug; + /** \brief If \b true, a download is currently in progress. */ bool Running; - + + /** \brief Add the given item to the list of items. */ void Add(Item *Item); + + /** \brief Remove the given item from the list of items. */ void Remove(Item *Item); + + /** \brief Add the given worker to the list of workers. */ void Add(Worker *Work); + + /** \brief Remove the given worker from the list of workers. */ void Remove(Worker *Work); + /** \brief Insert the given fetch request into the appropriate queue. + * + * \param Item The URI to download and the item to download it + * for. Copied by value into the queue; no reference to Item is + * retained. + */ void Enqueue(ItemDesc &Item); + + /** \brief Remove all fetch requests for this item from all queues. */ void Dequeue(Item *Item); + + /** \brief Determine the fetch method and queue of a URI. + * + * \param URI The URI to fetch. + * + * \param[out] Config A location in which to place the method via + * which the URI is to be fetched. + * + * \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); - // FDSET managers for derived classes + /** \brief Build up the set of file descriptors upon which select() should + * block. + * + * The default implementation inserts the file descriptors + * corresponding to active downloads. + * + * \param[out] Fd The largest file descriptor in the generated sets. + * + * \param[out] RSet The set of file descriptors that should be + * watched for input. + * + * \param[out] WSet The set of file descriptors that should be + * watched for output. + */ virtual void SetFds(int &Fd,fd_set *RSet,fd_set *WSet); + + /** Handle input from and output to file descriptors which select() + * has determined are ready. The default implementation + * dispatches to all active downloads. + * + * \param RSet The set of file descriptors that are ready for + * input. + * + * \param WSet The set of file descriptors that are ready for + * output. + */ virtual void RunFds(fd_set *RSet,fd_set *WSet); - // A queue calls this when it dequeues an item + /** \brief Check for idle queues with ready-to-fetch items. + * + * Called by pkgAcquire::Queue::Done each time an item is dequeued + * but remains on some queues; i.e., another queue should start + * fetching it. + */ void Bump(); public: + /** \brief Retrieve information about a fetch method by name. + * + * \param Access The name of the method to look up. + * + * \return the method whose name is Access, or \b NULL if no such method exists. + */ MethodConfig *GetConfig(string Access); - enum RunResult {Continue,Failed,Cancelled}; + /** \brief Provides information on how a download terminated. */ + enum RunResult { + /** \brief All files were fetched successfully. */ + Continue, + + /** \brief Some files failed to download. */ + Failed, + + /** \brief The download was cancelled by the user (i.e., #Log's + * pkgAcquireStatus::Pulse() method returned \b false). + */ + Cancelled}; - RunResult Run(int PulseIntervall=500000); + /** \brief Download all the items that have been Add()ed to this + * download process. + * + * This method will block until the download completes, invoking + * methods on #Log to report on the progress of the download. + * + * \param PulseInterval The method pkgAcquireStatus::Pulse will be + * invoked on #Log at intervals of PulseInterval milliseconds. + * + * \return the result of the download. + */ + RunResult Run(int PulseInterval=500000); + + /** \brief Remove all items from this download process, terminate + * all download workers, and empty all queues. + */ void Shutdown(); - // Simple iteration mechanism + /** \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. + * + * \return the worker immediately following I, or \b NULL if none + * exists. + */ Worker *WorkerStep(Worker *I); + + /** \brief Get the head of the list of items. */ inline ItemIterator ItemsBegin() {return Items.begin();}; + + /** \brief Get the end iterator of the list of items. */ inline ItemIterator ItemsEnd() {return Items.end();}; // Iterate over queued Item URIs class UriIterator; + /** \brief Get the head of the list of enqueued item URIs. + * + * This iterator will step over every element of every active + * queue. + */ UriIterator UriBegin(); + /** \brief Get the end iterator of the list of enqueued item URIs. */ UriIterator UriEnd(); - // Cleans out the download dir + /** Deletes each entry in the given directory that is not being + * downloaded by this object. For instance, when downloading new + * list files, calling Clean() will delete the old ones. + * + * \param Dir The directory to be cleaned out. + * + * \return \b true if the directory exists and is readable. + */ bool Clean(string Dir); - // Returns the size of the total download set + /** \return the total size in bytes of all the items included in + * this download. + */ double TotalNeeded(); + + /** \return the size in bytes of all non-local items included in + * this download. + */ double FetchNeeded(); + + /** \return the amount of data to be fetched that is already + * present on the filesystem. + */ double PartialPresent(); + /** \brief Construct a new pkgAcquire. + * + * \param Log The progress indicator associated with this + * download, or \b NULL for none. This object is not owned by the + * download process and will not be deleted when the pkgAcquire + * object is destroyed. Naturally, it should live for at least as + * long as the pkgAcquire object does. + */ pkgAcquire(pkgAcquireStatus *Log = 0); + + /** \brief Destroy this pkgAcquire object. + * + * Destroys all queue, method, and item objects associated with + * this download. + */ virtual ~pkgAcquire(); }; -// Description of an Item+URI +/** \brief Represents a single download source from which an item + * should be downloaded. + * + * An item may have several assocated ItemDescs over its lifetime. + */ struct pkgAcquire::ItemDesc { + /** \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. */ Item *Owner; }; -// List of possible items queued for download. +/** \brief A single download queue in a pkgAcquire object. + * + * \todo Why so many protected values? + */ class pkgAcquire::Queue { friend class pkgAcquire; friend class pkgAcquire::UriIterator; friend class pkgAcquire::Worker; + + /** \brief The next queue in the pkgAcquire object's list of queues. */ Queue *Next; protected: - // Queued item + /** \brief A single item placed in this queue. */ struct QItem : pkgAcquire::ItemDesc { - QItem *Next; + /** \brief The next item in the queue. */ + QItem *Next; + /** \brief The worker associated with this item, if any. */ pkgAcquire::Worker *Worker; - + + /** \brief Assign the ItemDesc portion of this QItem from + * another ItemDesc + */ void operator =(pkgAcquire::ItemDesc const &I) { URI = I.URI; @@ -160,45 +405,141 @@ class pkgAcquire::Queue }; }; - // Name of the queue + /** \brief The name of this queue. */ string Name; - // Items queued into this queue + /** \brief The head of the list of items contained in this queue. + * + * \todo why a by-hand list instead of an STL structure? + */ QItem *Items; + + /** \brief The head of the list of workers associated with this queue. + * + * \todo This is plural because support exists in Queue for + * multiple workers. However, it does not appear that there is + * any way to actually associate more than one worker with a + * queue. + * + * \todo Why not just use a std::set? + */ pkgAcquire::Worker *Workers; + + /** \brief the download scheduler with which this queue is associated. */ pkgAcquire *Owner; + + /** \brief The number of entries in this queue that are currently + * being downloaded. + */ signed long PipeDepth; + + /** \brief The maximum number of entries that this queue will + * attempt to download at once. + */ unsigned long MaxPipeDepth; public: - // Put an item into this queue + /** \brief Insert the given fetch request into this queue. */ void Enqueue(ItemDesc &Item); + + /** \brief Remove all fetch requests for the given item from this queue. + * + * \return \b true if at least one request was removed from the queue. + */ bool Dequeue(Item *Owner); - // Find a Queued item + /** \brief Locate an item in this queue. + * + * \param URI A URI to match against. + * \param Owner A pkgAcquire::Worker to match against. + * + * \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); + + /** Presumably this should start downloading an item? + * + * \todo Unimplemented. Implement it or remove? + */ bool ItemStart(QItem *Itm,unsigned long Size); + + /** \brief Remove the given item from this queue and set its state + * to pkgAcquire::Item::StatDone. + * + * If this is the only queue containing the item, the item is also + * removed from the main queue by calling pkgAcquire::Dequeue. + * + * \param Itm The item to remove. + * + * \return \b true if no errors are encountered. + */ bool ItemDone(QItem *Itm); + /** \brief Start the worker process associated with this queue. + * + * If a worker process is already associated with this queue, + * this is equivalent to calling Cycle(). + * + * \return \b true if the startup was successful. + */ bool Startup(); + + /** \brief Shut down the worker process associated with this queue. + * + * \param Final If \b true, then the process is stopped unconditionally. + * Otherwise, it is only stopped if it does not need cleanup + * as indicated by the pkgAcqMethod::NeedsCleanup member of + * its configuration. + * + * \return \b true. + */ bool Shutdown(bool Final); + + /** \brief Send idle items to the worker process. + * + * Fills up the pipeline by inserting idle items into the worker's queue. + */ bool Cycle(); + + /** \brief Check for items that could be enqueued. + * + * Call this after an item placed in multiple queues has gone from + * the pkgAcquire::Item::StatFetching state to the + * pkgAcquire::Item::StatIdle state, to possibly refill an empty queue. + * This is an alias for Cycle(). + * + * \todo Why both this and Cycle()? Are they expected to be + * different someday? + */ void Bump(); + /** \brief Create a new Queue. + * + * \param Name The name of the new queue. + * \param Owner The download process that owns the new queue. + */ Queue(string Name,pkgAcquire *Owner); + + /** Shut down all the worker processes associated with this queue + * and empty the queue. + */ ~Queue(); }; +/** \brief Iterates over all the URIs being fetched by a pkgAcquire object. */ class pkgAcquire::UriIterator { + /** The next queue to iterate over. */ pkgAcquire::Queue *CurQ; + /** The item that we currently point at. */ pkgAcquire::Queue::QItem *CurItem; public: - // Advance to the next item inline void operator ++() {operator ++();}; + void operator ++(int) { CurItem = CurItem->Next; @@ -209,11 +550,14 @@ class pkgAcquire::UriIterator } }; - // Accessors inline pkgAcquire::ItemDesc 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;}; + /** \brief Create a new UriIterator. + * + * \param Q The queue over which this UriIterator should iterate. + */ UriIterator(pkgAcquire::Queue *Q) : CurQ(Q), CurItem(0) { while (CurItem == 0 && CurQ != 0) @@ -224,61 +568,200 @@ class pkgAcquire::UriIterator } }; -// Configuration information from each method +/** \brief Information about the properties of a single acquire method. */ struct pkgAcquire::MethodConfig { + /** \brief The next link on the acquire method list. + * + * \todo Why not an STL container? + */ MethodConfig *Next; + /** \brief The name of this acquire method (e.g., http). */ string Access; + /** \brief The implementation version of this acquire method. */ string Version; + + /** \brief If \b true, only one download queue should be created for this + * method. + */ bool SingleInstance; + + /** \brief If \b true, this method supports pipelined downloading. */ bool Pipeline; + + /** \brief If \b true, the worker process should send the entire + * APT configuration tree to the fetch subprocess when it starts + * up. + */ bool SendConfig; + + /** \brief If \b true, this fetch method does not require network access; + * all files are to be acquired from the local disk. + */ bool LocalOnly; + + /** \brief If \b true, the subprocess has to carry out some cleanup + * actions before shutting down. + * + * For instance, the cdrom method needs to unmount the CD after it + * finishes. + */ bool NeedsCleanup; + + /** \brief If \b true, this fetch method acquires files from removable media. */ bool Removable; + /** \brief Set up the default method parameters. + * + * All fields are initialized to NULL, "", or \b false as + * appropriate. + */ 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 { protected: + /** \brief The last time at which this monitor object was updated. */ struct timeval Time; + + /** \brief The time at which the download started. */ struct timeval StartTime; + + /** \brief The number of bytes fetched as of the previous call to + * pkgAcquireStatus::Pulse, including local items. + */ double LastBytes; + + /** \brief The current rate of download as of the most recent call + * to pkgAcquireStatus::Pulse, in bytes per second. + */ double CurrentCPS; + + /** \brief The number of bytes fetched as of the most recent call + * to pkgAcquireStatus::Pulse, including local items. + */ double 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; + + /** \brief The total number of bytes accounted for by items that + * were successfully fetched. + */ double FetchedBytes; + + /** \brief The amount of time that has elapsed since the download + * started. + */ unsigned long ElapsedTime; + + /** \brief The total number of items that need to be fetched. + * + * \warning This member is inaccurate, as new items might be + * enqueued while the download is in progress! + */ unsigned long TotalItems; + + /** \brief The number of items that have been successfully downloaded. */ unsigned long CurrentItems; public: + /** \brief If \b true, the download scheduler should call Pulse() + * at the next available opportunity. + */ bool Update; + + /** \brief If \b true, extra Pulse() invocations will be performed. + * + * With this option set, Pulse() will be called every time that a + * download item starts downloading, finishes downloading, or + * terminates with an error. + */ bool MorePulses; - // Called by items when they have finished a real download + /** \brief Invoked when a local or remote file has been completely fetched. + * + * \param Size The size of the file fetched. + * + * \param ResumePoint How much of the file was already fetched. + */ virtual void Fetched(unsigned long Size,unsigned long ResumePoint); - // Called to change media + /** \brief Invoked when the user should be prompted to change the + * inserted removable media. + * + * This method should not return until the user has confirmed to + * the user interface that the media change is complete. + * + * \param Media The name of the media type that should be changed. + * + * \param Drive The identifying name of the drive whose media + * should be changed. + * + * \return \b true if the user confirms the media change, \b + * false if it is cancelled. + * + * \todo This is a horrible blocking monster; it should be CPSed + * with prejudice. + */ virtual bool MediaChange(string Media,string Drive) = 0; - // Each of these is called by the workers when an event occures + /** \brief Invoked when an item is confirmed to be up-to-date. + + * For instance, when an HTTP download is informed that the file on + * the server was not modified. + */ virtual void IMSHit(pkgAcquire::ItemDesc &/*Itm*/) {}; + + /** \brief Invoked when some of an item's data is fetched. */ virtual void Fetch(pkgAcquire::ItemDesc &/*Itm*/) {}; + + /** \brief Invoked when an item is successfully and completely fetched. */ virtual void Done(pkgAcquire::ItemDesc &/*Itm*/) {}; + + /** \brief Invoked when the process of fetching an item encounters + * a fatal error. + */ virtual void Fail(pkgAcquire::ItemDesc &/*Itm*/) {}; - virtual bool Pulse(pkgAcquire *Owner); // returns false on user cancel + + /** \brief Periodically invoked while the Acquire process is underway. + * + * Subclasses should first call pkgAcquireStatus::Pulse(), then + * update their status output. The download process is blocked + * while Pulse() is being called. + * + * \return \b false if the user asked to cancel the whole Acquire process. + * + * \see pkgAcquire::Run + */ + virtual bool Pulse(pkgAcquire *Owner); + + /** \brief Invoked when the Acquire process starts running. */ virtual void Start(); + + /** \brief Invoked when the Acquire process stops running. */ virtual void Stop(); + /** \brief Initialize all counters to 0 and the time to the current time. */ pkgAcquireStatus(); virtual ~pkgAcquireStatus() {}; }; +/** @} */ + #endif diff --git a/buildlib/environment.mak.in b/buildlib/environment.mak.in index f5ee539ac..2d28e1c67 100644 --- a/buildlib/environment.mak.in +++ b/buildlib/environment.mak.in @@ -28,6 +28,8 @@ INLINEDEPFLAG = -MD DEBIANDOC_HTML = @DEBIANDOC_HTML@ DEBIANDOC_TEXT = @DEBIANDOC_TEXT@ +DOXYGEN = @DOXYGEN@ + # SGML for the man pages DOCBOOK2MAN := @DOCBOOK2MAN@ diff --git a/configure.in b/configure.in index af423be05..f85afae5f 100644 --- a/configure.in +++ b/configure.in @@ -175,12 +175,21 @@ dnl Check for debiandoc AC_PATH_PROG(DEBIANDOC_HTML,debiandoc2html) AC_PATH_PROG(DEBIANDOC_TEXT,debiandoc2text) +dnl Check for doxygen +AC_PATH_PROG(DOXYGEN, doxygen) + dnl Check for the SGML tools needed to build man pages AC_PATH_PROG(DOCBOOK2MAN,docbook2man) dnl Check for the XML tools needed to build man pages AC_PATH_PROG(XMLTO,xmlto) +dnl Check for graphviz +AC_CHECK_PROG([HAVE_DOT], [dot], [YES], [NO]) +AC_PATH_PROG([DOT], [dot], []) +DOTDIR=$(dirname $DOT) +AC_SUBST(DOTDIR) + dnl Check for YODL dnl AC_CHECK_PROG(YODL_MAN,yodl2man,"yes","") @@ -200,4 +209,4 @@ fi AC_SUBST(USE_NLS) AC_PATH_PROG(BASH, bash) -AC_OUTPUT(environment.mak:buildlib/environment.mak.in makefile:buildlib/makefile.in,make -s dirs) +AC_OUTPUT(environment.mak:buildlib/environment.mak.in makefile:buildlib/makefile.in doc/Doxyfile,make -s dirs) diff --git a/debian/control b/debian/control index 4aa7b5aa2..6bc9062f8 100644 --- a/debian/control +++ b/debian/control @@ -4,7 +4,7 @@ Priority: important Maintainer: APT Development Team <deity@lists.debian.org> Uploaders: Jason Gunthorpe <jgg@debian.org>, Adam Heath <doogie@debian.org>, Matt Zimmerman <mdz@debian.org>, Michael Vogt <mvo@debian.org> Standards-Version: 3.6.1 -Build-Depends: debhelper (>= 4.1.62), libdb4.2-dev, gettext (>= 0.12) +Build-Depends: debhelper (>= 4.1.62), libdb4.2-dev, gettext (>= 0.12), graphviz Build-Depends-Indep: debiandoc-sgml, docbook-utils (>= 0.6.12-1) Package: apt diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in new file mode 100644 index 000000000..f19ff93f6 --- /dev/null +++ b/doc/Doxyfile.in @@ -0,0 +1,1238 @@ +# Doxyfile 1.4.5 + +# This file describes the settings to be used by the documentation system +# doxygen (www.doxygen.org) for a project +# +# All text after a hash (#) is considered a comment and will be ignored +# The format is: +# TAG = value [value, ...] +# For lists items can also be appended using: +# TAG += value [value, ...] +# Values that contain spaces should be placed between quotes (" ") + +#--------------------------------------------------------------------------- +# Project related configuration options +#--------------------------------------------------------------------------- + +# The PROJECT_NAME tag is a single word (or a sequence of words surrounded +# by quotes) that should identify the project. + +PROJECT_NAME = @PACKAGE@ + +# The PROJECT_NUMBER tag can be used to enter a project or revision number. +# This could be handy for archiving the generated documentation or +# if some version control system is used. + +PROJECT_NUMBER = @VERSION@ + +# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) +# base path where the generated documentation will be put. +# If a relative path is entered, it will be relative to the location +# where doxygen was started. If left blank the current directory will be used. + +OUTPUT_DIRECTORY = ../build/doc/doxygen + +# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create +# 4096 sub-directories (in 2 levels) under the output directory of each output +# format and will distribute the generated files over these directories. +# Enabling this option can be useful when feeding doxygen a huge amount of +# source files, where putting all generated files in the same directory would +# otherwise cause performance problems for the file system. + +CREATE_SUBDIRS = NO + +# The OUTPUT_LANGUAGE tag is used to specify the language in which all +# documentation generated by doxygen is written. Doxygen will use this +# information to generate all constant output in the proper language. +# The default language is English, other supported languages are: +# Brazilian, Catalan, Chinese, Chinese-Traditional, Croatian, Czech, Danish, +# Dutch, Finnish, French, German, Greek, Hungarian, Italian, Japanese, +# Japanese-en (Japanese with English messages), Korean, Korean-en, Norwegian, +# Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovene, Spanish, +# Swedish, and Ukrainian. + +OUTPUT_LANGUAGE = English + +# This tag can be used to specify the encoding used in the generated output. +# The encoding is not always determined by the language that is chosen, +# but also whether or not the output is meant for Windows or non-Windows users. +# In case there is a difference, setting the USE_WINDOWS_ENCODING tag to YES +# forces the Windows encoding (this is the default for the Windows binary), +# whereas setting the tag to NO uses a Unix-style encoding (the default for +# all platforms other than Windows). + +USE_WINDOWS_ENCODING = NO + +# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will +# include brief member descriptions after the members that are listed in +# the file and class documentation (similar to JavaDoc). +# Set to NO to disable this. + +BRIEF_MEMBER_DESC = YES + +# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend +# the brief description of a member or function before the detailed description. +# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the +# brief descriptions will be completely suppressed. + +REPEAT_BRIEF = YES + +# This tag implements a quasi-intelligent brief description abbreviator +# that is used to form the text in various listings. Each string +# in this list, if found as the leading text of the brief description, will be +# stripped from the text and the result after processing the whole list, is +# used as the annotated text. Otherwise, the brief description is used as-is. +# If left blank, the following values are used ("$name" is automatically +# replaced with the name of the entity): "The $name class" "The $name widget" +# "The $name file" "is" "provides" "specifies" "contains" +# "represents" "a" "an" "the" + +ABBREVIATE_BRIEF = + +# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then +# Doxygen will generate a detailed section even if there is only a brief +# description. + +ALWAYS_DETAILED_SEC = NO + +# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all +# inherited members of a class in the documentation of that class as if those +# members were ordinary class members. Constructors, destructors and assignment +# operators of the base classes will not be shown. + +INLINE_INHERITED_MEMB = NO + +# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full +# path before files name in the file list and in the header files. If set +# to NO the shortest path that makes the file name unique will be used. + +FULL_PATH_NAMES = YES + +# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag +# can be used to strip a user-defined part of the path. Stripping is +# only done if one of the specified strings matches the left-hand part of +# the path. The tag can be used to show relative paths in the file list. +# If left blank the directory from which doxygen is run is used as the +# path to strip. + +STRIP_FROM_PATH = + +# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of +# the path mentioned in the documentation of a class, which tells +# the reader which header file to include in order to use a class. +# If left blank only the name of the header file containing the class +# definition is used. Otherwise one should specify the include paths that +# are normally passed to the compiler using the -I flag. + +STRIP_FROM_INC_PATH = + +# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter +# (but less readable) file names. This can be useful is your file systems +# doesn't support long names like on DOS, Mac, or CD-ROM. + +SHORT_NAMES = NO + +# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen +# will interpret the first line (until the first dot) of a JavaDoc-style +# comment as the brief description. If set to NO, the JavaDoc +# comments will behave just like the Qt-style comments (thus requiring an +# explicit @brief command for a brief description. + +JAVADOC_AUTOBRIEF = NO + +# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen +# treat a multi-line C++ special comment block (i.e. a block of //! or /// +# comments) as a brief description. This used to be the default behaviour. +# The new default is to treat a multi-line C++ comment block as a detailed +# description. Set this tag to YES if you prefer the old behaviour instead. + +MULTILINE_CPP_IS_BRIEF = NO + +# If the DETAILS_AT_TOP tag is set to YES then Doxygen +# will output the detailed description near the top, like JavaDoc. +# If set to NO, the detailed description appears after the member +# documentation. + +DETAILS_AT_TOP = NO + +# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented +# member inherits the documentation from any documented member that it +# re-implements. + +INHERIT_DOCS = YES + +# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce +# a new page for each member. If set to NO, the documentation of a member will +# be part of the file/class/namespace that contains it. + +SEPARATE_MEMBER_PAGES = NO + +# The TAB_SIZE tag can be used to set the number of spaces in a tab. +# Doxygen uses this value to replace tabs by spaces in code fragments. + +TAB_SIZE = 8 + +# This tag can be used to specify a number of aliases that acts +# as commands in the documentation. An alias has the form "name=value". +# For example adding "sideeffect=\par Side Effects:\n" will allow you to +# put the command \sideeffect (or @sideeffect) in the documentation, which +# will result in a user-defined paragraph with heading "Side Effects:". +# You can put \n's in the value part of an alias to insert newlines. + +ALIASES = + +# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C +# sources only. Doxygen will then generate output that is more tailored for C. +# For instance, some of the names that are used will be different. The list +# of all members will be omitted, etc. + +OPTIMIZE_OUTPUT_FOR_C = NO + +# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java +# sources only. Doxygen will then generate output that is more tailored for Java. +# For instance, namespaces will be presented as packages, qualified scopes +# will look different, etc. + +OPTIMIZE_OUTPUT_JAVA = NO + +# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want to +# include (a tag file for) the STL sources as input, then you should +# set this tag to YES in order to let doxygen match functions declarations and +# definitions whose arguments contain STL classes (e.g. func(std::string); v.s. +# func(std::string) {}). This also make the inheritance and collaboration +# diagrams that involve STL classes more complete and accurate. + +BUILTIN_STL_SUPPORT = YES + +# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC +# tag is set to YES, then doxygen will reuse the documentation of the first +# member in the group (if any) for the other members of the group. By default +# all members of a group must be documented explicitly. + +DISTRIBUTE_GROUP_DOC = NO + +# Set the SUBGROUPING tag to YES (the default) to allow class member groups of +# the same type (for instance a group of public functions) to be put as a +# subgroup of that type (e.g. under the Public Functions section). Set it to +# NO to prevent subgrouping. Alternatively, this can be done per class using +# the \nosubgrouping command. + +SUBGROUPING = YES + +#--------------------------------------------------------------------------- +# Build related configuration options +#--------------------------------------------------------------------------- + +# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in +# documentation are documented, even if no documentation was available. +# Private class members and static file members will be hidden unless +# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES + +EXTRACT_ALL = NO + +# If the EXTRACT_PRIVATE tag is set to YES all private members of a class +# will be included in the documentation. + +EXTRACT_PRIVATE = NO + +# If the EXTRACT_STATIC tag is set to YES all static members of a file +# will be included in the documentation. + +EXTRACT_STATIC = NO + +# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) +# defined locally in source files will be included in the documentation. +# If set to NO only classes defined in header files are included. + +EXTRACT_LOCAL_CLASSES = YES + +# This flag is only useful for Objective-C code. When set to YES local +# methods, which are defined in the implementation section but not in +# the interface are included in the documentation. +# If set to NO (the default) only methods in the interface are included. + +EXTRACT_LOCAL_METHODS = NO + +# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all +# undocumented members of documented classes, files or namespaces. +# If set to NO (the default) these members will be included in the +# various overviews, but no documentation section is generated. +# This option has no effect if EXTRACT_ALL is enabled. + +HIDE_UNDOC_MEMBERS = NO + +# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all +# undocumented classes that are normally visible in the class hierarchy. +# If set to NO (the default) these classes will be included in the various +# overviews. This option has no effect if EXTRACT_ALL is enabled. + +HIDE_UNDOC_CLASSES = NO + +# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all +# friend (class|struct|union) declarations. +# If set to NO (the default) these declarations will be included in the +# documentation. + +HIDE_FRIEND_COMPOUNDS = NO + +# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any +# documentation blocks found inside the body of a function. +# If set to NO (the default) these blocks will be appended to the +# function's detailed documentation block. + +HIDE_IN_BODY_DOCS = NO + +# The INTERNAL_DOCS tag determines if documentation +# that is typed after a \internal command is included. If the tag is set +# to NO (the default) then the documentation will be excluded. +# Set it to YES to include the internal documentation. + +INTERNAL_DOCS = NO + +# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate +# file names in lower-case letters. If set to YES upper-case letters are also +# allowed. This is useful if you have classes or files whose names only differ +# in case and if your file system supports case sensitive file names. Windows +# and Mac users are advised to set this option to NO. + +CASE_SENSE_NAMES = YES + +# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen +# will show members with their full class and namespace scopes in the +# documentation. If set to YES the scope will be hidden. + +HIDE_SCOPE_NAMES = YES + +# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen +# will put a list of the files that are included by a file in the documentation +# of that file. + +SHOW_INCLUDE_FILES = YES + +# If the INLINE_INFO tag is set to YES (the default) then a tag [inline] +# is inserted in the documentation for inline members. + +INLINE_INFO = YES + +# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen +# will sort the (detailed) documentation of file and class members +# alphabetically by member name. If set to NO the members will appear in +# declaration order. + +SORT_MEMBER_DOCS = YES + +# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the +# brief documentation of file, namespace and class members alphabetically +# by member name. If set to NO (the default) the members will appear in +# declaration order. + +SORT_BRIEF_DOCS = NO + +# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be +# sorted by fully-qualified names, including namespaces. If set to +# NO (the default), the class list will be sorted only by class name, +# not including the namespace part. +# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. +# Note: This option applies only to the class list, not to the +# alphabetical list. + +SORT_BY_SCOPE_NAME = NO + +# The GENERATE_TODOLIST tag can be used to enable (YES) or +# disable (NO) the todo list. This list is created by putting \todo +# commands in the documentation. + +GENERATE_TODOLIST = YES + +# The GENERATE_TESTLIST tag can be used to enable (YES) or +# disable (NO) the test list. This list is created by putting \test +# commands in the documentation. + +GENERATE_TESTLIST = YES + +# The GENERATE_BUGLIST tag can be used to enable (YES) or +# disable (NO) the bug list. This list is created by putting \bug +# commands in the documentation. + +GENERATE_BUGLIST = YES + +# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or +# disable (NO) the deprecated list. This list is created by putting +# \deprecated commands in the documentation. + +GENERATE_DEPRECATEDLIST= YES + +# The ENABLED_SECTIONS tag can be used to enable conditional +# documentation sections, marked by \if sectionname ... \endif. + +ENABLED_SECTIONS = + +# The MAX_INITIALIZER_LINES tag determines the maximum number of lines +# the initial value of a variable or define consists of for it to appear in +# the documentation. If the initializer consists of more lines than specified +# here it will be hidden. Use a value of 0 to hide initializers completely. +# The appearance of the initializer of individual variables and defines in the +# documentation can be controlled using \showinitializer or \hideinitializer +# command in the documentation regardless of this setting. + +MAX_INITIALIZER_LINES = 30 + +# Set the SHOW_USED_FILES tag to NO to disable the list of files generated +# at the bottom of the documentation of classes and structs. If set to YES the +# list will mention the files that were used to generate the documentation. + +SHOW_USED_FILES = YES + +# If the sources in your project are distributed over multiple directories +# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy +# in the documentation. The default is YES. + +SHOW_DIRECTORIES = YES + +# The FILE_VERSION_FILTER tag can be used to specify a program or script that +# doxygen should invoke to get the current version for each file (typically from the +# version control system). Doxygen will invoke the program by executing (via +# popen()) the command <command> <input-file>, where <command> is the value of +# the FILE_VERSION_FILTER tag, and <input-file> is the name of an input file +# provided by doxygen. Whatever the program writes to standard output +# is used as the file version. See the manual for examples. + +FILE_VERSION_FILTER = + +#--------------------------------------------------------------------------- +# configuration options related to warning and progress messages +#--------------------------------------------------------------------------- + +# The QUIET tag can be used to turn on/off the messages that are generated +# by doxygen. Possible values are YES and NO. If left blank NO is used. + +QUIET = NO + +# The WARNINGS tag can be used to turn on/off the warning messages that are +# generated by doxygen. Possible values are YES and NO. If left blank +# NO is used. + +WARNINGS = YES + +# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings +# for undocumented members. If EXTRACT_ALL is set to YES then this flag will +# automatically be disabled. + +WARN_IF_UNDOCUMENTED = YES + +# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for +# potential errors in the documentation, such as not documenting some +# parameters in a documented function, or documenting parameters that +# don't exist or using markup commands wrongly. + +WARN_IF_DOC_ERROR = YES + +# This WARN_NO_PARAMDOC option can be abled to get warnings for +# functions that are documented, but have no documentation for their parameters +# or return value. If set to NO (the default) doxygen will only warn about +# wrong or incomplete parameter documentation, but not about the absence of +# documentation. + +WARN_NO_PARAMDOC = NO + +# The WARN_FORMAT tag determines the format of the warning messages that +# doxygen can produce. The string should contain the $file, $line, and $text +# tags, which will be replaced by the file and line number from which the +# warning originated and the warning text. Optionally the format may contain +# $version, which will be replaced by the version of the file (if it could +# be obtained via FILE_VERSION_FILTER) + +WARN_FORMAT = "$file:$line: $text" + +# The WARN_LOGFILE tag can be used to specify a file to which warning +# and error messages should be written. If left blank the output is written +# to stderr. + +WARN_LOGFILE = + +#--------------------------------------------------------------------------- +# configuration options related to the input files +#--------------------------------------------------------------------------- + +# The INPUT tag can be used to specify the files and/or directories that contain +# documented source files. You may enter file names like "myfile.cpp" or +# directories like "/usr/src/myproject". Separate the files or directories +# with spaces. + +INPUT = ../apt-pkg + +# If the value of the INPUT tag contains directories, you can use the +# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank the following patterns are tested: +# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx +# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py + +FILE_PATTERNS = *.cc \ + *.h + +# The RECURSIVE tag can be used to turn specify whether or not subdirectories +# should be searched for input files as well. Possible values are YES and NO. +# If left blank NO is used. + +RECURSIVE = YES + +# The EXCLUDE tag can be used to specify files and/or directories that should +# excluded from the INPUT source files. This way you can easily exclude a +# subdirectory from a directory tree whose root is specified with the INPUT tag. + +EXCLUDE = + +# The EXCLUDE_SYMLINKS tag can be used select whether or not files or +# directories that are symbolic links (a Unix filesystem feature) are excluded +# from the input. + +EXCLUDE_SYMLINKS = NO + +# If the value of the INPUT tag contains directories, you can use the +# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude +# certain files from those directories. Note that the wildcards are matched +# against the file with absolute path, so to exclude all test directories +# for example use the pattern */test/* + +EXCLUDE_PATTERNS = + +# The EXAMPLE_PATH tag can be used to specify one or more files or +# directories that contain example code fragments that are included (see +# the \include command). + +EXAMPLE_PATH = + +# If the value of the EXAMPLE_PATH tag contains directories, you can use the +# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank all files are included. + +EXAMPLE_PATTERNS = + +# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be +# searched for input files to be used with the \include or \dontinclude +# commands irrespective of the value of the RECURSIVE tag. +# Possible values are YES and NO. If left blank NO is used. + +EXAMPLE_RECURSIVE = NO + +# The IMAGE_PATH tag can be used to specify one or more files or +# directories that contain image that are included in the documentation (see +# the \image command). + +IMAGE_PATH = + +# The INPUT_FILTER tag can be used to specify a program that doxygen should +# invoke to filter for each input file. Doxygen will invoke the filter program +# by executing (via popen()) the command <filter> <input-file>, where <filter> +# is the value of the INPUT_FILTER tag, and <input-file> is the name of an +# input file. Doxygen will then use the output that the filter program writes +# to standard output. If FILTER_PATTERNS is specified, this tag will be +# ignored. + +INPUT_FILTER = + +# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern +# basis. Doxygen will compare the file name with each pattern and apply the +# filter if there is a match. The filters are a list of the form: +# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further +# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER +# is applied to all files. + +FILTER_PATTERNS = + +# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using +# INPUT_FILTER) will be used to filter the input files when producing source +# files to browse (i.e. when SOURCE_BROWSER is set to YES). + +FILTER_SOURCE_FILES = NO + +#--------------------------------------------------------------------------- +# configuration options related to source browsing +#--------------------------------------------------------------------------- + +# If the SOURCE_BROWSER tag is set to YES then a list of source files will +# be generated. Documented entities will be cross-referenced with these sources. +# Note: To get rid of all source code in the generated output, make sure also +# VERBATIM_HEADERS is set to NO. + +SOURCE_BROWSER = NO + +# Setting the INLINE_SOURCES tag to YES will include the body +# of functions and classes directly in the documentation. + +INLINE_SOURCES = NO + +# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct +# doxygen to hide any special comment blocks from generated source code +# fragments. Normal C and C++ comments will always remain visible. + +STRIP_CODE_COMMENTS = YES + +# If the REFERENCED_BY_RELATION tag is set to YES (the default) +# then for each documented function all documented +# functions referencing it will be listed. + +REFERENCED_BY_RELATION = YES + +# If the REFERENCES_RELATION tag is set to YES (the default) +# then for each documented function all documented entities +# called/used by that function will be listed. + +REFERENCES_RELATION = YES + +# If the USE_HTAGS tag is set to YES then the references to source code +# will point to the HTML generated by the htags(1) tool instead of doxygen +# built-in source browser. The htags tool is part of GNU's global source +# tagging system (see http://www.gnu.org/software/global/global.html). You +# will need version 4.8.6 or higher. + +USE_HTAGS = NO + +# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen +# will generate a verbatim copy of the header file for each class for +# which an include is specified. Set to NO to disable this. + +VERBATIM_HEADERS = YES + +#--------------------------------------------------------------------------- +# configuration options related to the alphabetical class index +#--------------------------------------------------------------------------- + +# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index +# of all compounds will be generated. Enable this if the project +# contains a lot of classes, structs, unions or interfaces. + +ALPHABETICAL_INDEX = NO + +# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then +# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns +# in which this list will be split (can be a number in the range [1..20]) + +COLS_IN_ALPHA_INDEX = 5 + +# In case all classes in a project start with a common prefix, all +# classes will be put under the same header in the alphabetical index. +# The IGNORE_PREFIX tag can be used to specify one or more prefixes that +# should be ignored while generating the index headers. + +IGNORE_PREFIX = + +#--------------------------------------------------------------------------- +# configuration options related to the HTML output +#--------------------------------------------------------------------------- + +# If the GENERATE_HTML tag is set to YES (the default) Doxygen will +# generate HTML output. + +GENERATE_HTML = YES + +# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `html' will be used as the default path. + +HTML_OUTPUT = html + +# The HTML_FILE_EXTENSION tag can be used to specify the file extension for +# each generated HTML page (for example: .htm,.php,.asp). If it is left blank +# doxygen will generate files with .html extension. + +HTML_FILE_EXTENSION = .html + +# The HTML_HEADER tag can be used to specify a personal HTML header for +# each generated HTML page. If it is left blank doxygen will generate a +# standard header. + +HTML_HEADER = + +# The HTML_FOOTER tag can be used to specify a personal HTML footer for +# each generated HTML page. If it is left blank doxygen will generate a +# standard footer. + +HTML_FOOTER = + +# The HTML_STYLESHEET tag can be used to specify a user-defined cascading +# style sheet that is used by each HTML page. It can be used to +# fine-tune the look of the HTML output. If the tag is left blank doxygen +# will generate a default style sheet. Note that doxygen will try to copy +# the style sheet file to the HTML output directory, so don't put your own +# stylesheet in the HTML output directory as well, or it will be erased! + +HTML_STYLESHEET = + +# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, +# files or namespaces will be aligned in HTML using tables. If set to +# NO a bullet list will be used. + +HTML_ALIGN_MEMBERS = YES + +# If the GENERATE_HTMLHELP tag is set to YES, additional index files +# will be generated that can be used as input for tools like the +# Microsoft HTML help workshop to generate a compressed HTML help file (.chm) +# of the generated HTML documentation. + +GENERATE_HTMLHELP = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can +# be used to specify the file name of the resulting .chm file. You +# can add a path in front of the file if the result should not be +# written to the html output directory. + +CHM_FILE = + +# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can +# be used to specify the location (absolute path including file name) of +# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run +# the HTML help compiler on the generated index.hhp. + +HHC_LOCATION = + +# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag +# controls if a separate .chi index file is generated (YES) or that +# it should be included in the master .chm file (NO). + +GENERATE_CHI = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag +# controls whether a binary table of contents is generated (YES) or a +# normal table of contents (NO) in the .chm file. + +BINARY_TOC = NO + +# The TOC_EXPAND flag can be set to YES to add extra items for group members +# to the contents of the HTML help documentation and to the tree view. + +TOC_EXPAND = NO + +# The DISABLE_INDEX tag can be used to turn on/off the condensed index at +# top of each HTML page. The value NO (the default) enables the index and +# the value YES disables it. + +DISABLE_INDEX = NO + +# This tag can be used to set the number of enum values (range [1..20]) +# that doxygen will group on one line in the generated HTML documentation. + +ENUM_VALUES_PER_LINE = 4 + +# If the GENERATE_TREEVIEW tag is set to YES, a side panel will be +# generated containing a tree-like index structure (just like the one that +# is generated for HTML Help). For this to work a browser that supports +# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+, +# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are +# probably better off using the HTML help feature. + +GENERATE_TREEVIEW = NO + +# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be +# used to set the initial width (in pixels) of the frame in which the tree +# is shown. + +TREEVIEW_WIDTH = 250 + +#--------------------------------------------------------------------------- +# configuration options related to the LaTeX output +#--------------------------------------------------------------------------- + +# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will +# generate Latex output. + +GENERATE_LATEX = YES + +# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `latex' will be used as the default path. + +LATEX_OUTPUT = latex + +# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be +# invoked. If left blank `latex' will be used as the default command name. + +LATEX_CMD_NAME = latex + +# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to +# generate index for LaTeX. If left blank `makeindex' will be used as the +# default command name. + +MAKEINDEX_CMD_NAME = makeindex + +# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact +# LaTeX documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_LATEX = NO + +# The PAPER_TYPE tag can be used to set the paper type that is used +# by the printer. Possible values are: a4, a4wide, letter, legal and +# executive. If left blank a4wide will be used. + +PAPER_TYPE = a4wide + +# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX +# packages that should be included in the LaTeX output. + +EXTRA_PACKAGES = + +# The LATEX_HEADER tag can be used to specify a personal LaTeX header for +# the generated latex document. The header should contain everything until +# the first chapter. If it is left blank doxygen will generate a +# standard header. Notice: only use this tag if you know what you are doing! + +LATEX_HEADER = + +# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated +# is prepared for conversion to pdf (using ps2pdf). The pdf file will +# contain links (just like the HTML output) instead of page references +# This makes the output suitable for online browsing using a pdf viewer. + +PDF_HYPERLINKS = NO + +# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of +# plain latex in the generated Makefile. Set this option to YES to get a +# higher quality PDF documentation. + +USE_PDFLATEX = NO + +# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. +# command to the generated LaTeX files. This will instruct LaTeX to keep +# running if errors occur, instead of asking the user for help. +# This option is also used when generating formulas in HTML. + +LATEX_BATCHMODE = NO + +# If LATEX_HIDE_INDICES is set to YES then doxygen will not +# include the index chapters (such as File Index, Compound Index, etc.) +# in the output. + +LATEX_HIDE_INDICES = NO + +#--------------------------------------------------------------------------- +# configuration options related to the RTF output +#--------------------------------------------------------------------------- + +# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output +# The RTF output is optimized for Word 97 and may not look very pretty with +# other RTF readers or editors. + +GENERATE_RTF = NO + +# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `rtf' will be used as the default path. + +RTF_OUTPUT = rtf + +# If the COMPACT_RTF tag is set to YES Doxygen generates more compact +# RTF documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_RTF = NO + +# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated +# will contain hyperlink fields. The RTF file will +# contain links (just like the HTML output) instead of page references. +# This makes the output suitable for online browsing using WORD or other +# programs which support those fields. +# Note: wordpad (write) and others do not support links. + +RTF_HYPERLINKS = NO + +# Load stylesheet definitions from file. Syntax is similar to doxygen's +# config file, i.e. a series of assignments. You only have to provide +# replacements, missing definitions are set to their default value. + +RTF_STYLESHEET_FILE = + +# Set optional variables used in the generation of an rtf document. +# Syntax is similar to doxygen's config file. + +RTF_EXTENSIONS_FILE = + +#--------------------------------------------------------------------------- +# configuration options related to the man page output +#--------------------------------------------------------------------------- + +# If the GENERATE_MAN tag is set to YES (the default) Doxygen will +# generate man pages + +GENERATE_MAN = NO + +# The MAN_OUTPUT tag is used to specify where the man pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `man' will be used as the default path. + +MAN_OUTPUT = man + +# The MAN_EXTENSION tag determines the extension that is added to +# the generated man pages (default is the subroutine's section .3) + +MAN_EXTENSION = .3 + +# If the MAN_LINKS tag is set to YES and Doxygen generates man output, +# then it will generate one additional man file for each entity +# documented in the real man page(s). These additional files +# only source the real man page, but without them the man command +# would be unable to find the correct page. The default is NO. + +MAN_LINKS = NO + +#--------------------------------------------------------------------------- +# configuration options related to the XML output +#--------------------------------------------------------------------------- + +# If the GENERATE_XML tag is set to YES Doxygen will +# generate an XML file that captures the structure of +# the code including all documentation. + +GENERATE_XML = NO + +# The XML_OUTPUT tag is used to specify where the XML pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `xml' will be used as the default path. + +XML_OUTPUT = xml + +# The XML_SCHEMA tag can be used to specify an XML schema, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_SCHEMA = + +# The XML_DTD tag can be used to specify an XML DTD, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_DTD = + +# If the XML_PROGRAMLISTING tag is set to YES Doxygen will +# dump the program listings (including syntax highlighting +# and cross-referencing information) to the XML output. Note that +# enabling this will significantly increase the size of the XML output. + +XML_PROGRAMLISTING = YES + +#--------------------------------------------------------------------------- +# configuration options for the AutoGen Definitions output +#--------------------------------------------------------------------------- + +# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will +# generate an AutoGen Definitions (see autogen.sf.net) file +# that captures the structure of the code including all +# documentation. Note that this feature is still experimental +# and incomplete at the moment. + +GENERATE_AUTOGEN_DEF = NO + +#--------------------------------------------------------------------------- +# configuration options related to the Perl module output +#--------------------------------------------------------------------------- + +# If the GENERATE_PERLMOD tag is set to YES Doxygen will +# generate a Perl module file that captures the structure of +# the code including all documentation. Note that this +# feature is still experimental and incomplete at the +# moment. + +GENERATE_PERLMOD = NO + +# If the PERLMOD_LATEX tag is set to YES Doxygen will generate +# the necessary Makefile rules, Perl scripts and LaTeX code to be able +# to generate PDF and DVI output from the Perl module output. + +PERLMOD_LATEX = NO + +# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be +# nicely formatted so it can be parsed by a human reader. This is useful +# if you want to understand what is going on. On the other hand, if this +# tag is set to NO the size of the Perl module output will be much smaller +# and Perl will parse it just the same. + +PERLMOD_PRETTY = YES + +# The names of the make variables in the generated doxyrules.make file +# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. +# This is useful so different doxyrules.make files included by the same +# Makefile don't overwrite each other's variables. + +PERLMOD_MAKEVAR_PREFIX = + +#--------------------------------------------------------------------------- +# Configuration options related to the preprocessor +#--------------------------------------------------------------------------- + +# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will +# evaluate all C-preprocessor directives found in the sources and include +# files. + +ENABLE_PREPROCESSING = YES + +# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro +# names in the source code. If set to NO (the default) only conditional +# compilation will be performed. Macro expansion can be done in a controlled +# way by setting EXPAND_ONLY_PREDEF to YES. + +MACRO_EXPANSION = NO + +# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES +# then the macro expansion is limited to the macros specified with the +# PREDEFINED and EXPAND_AS_DEFINED tags. + +EXPAND_ONLY_PREDEF = NO + +# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files +# in the INCLUDE_PATH (see below) will be search if a #include is found. + +SEARCH_INCLUDES = YES + +# The INCLUDE_PATH tag can be used to specify one or more directories that +# contain include files that are not input files but should be processed by +# the preprocessor. + +INCLUDE_PATH = + +# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard +# patterns (like *.h and *.hpp) to filter out the header-files in the +# directories. If left blank, the patterns specified with FILE_PATTERNS will +# be used. + +INCLUDE_FILE_PATTERNS = + +# The PREDEFINED tag can be used to specify one or more macro names that +# are defined before the preprocessor is started (similar to the -D option of +# gcc). The argument of the tag is a list of macros of the form: name +# or name=definition (no spaces). If the definition and the = are +# omitted =1 is assumed. To prevent a macro definition from being +# undefined via #undef or recursively expanded use the := operator +# instead of the = operator. + +PREDEFINED = + +# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then +# this tag can be used to specify a list of macro names that should be expanded. +# The macro definition that is found in the sources will be used. +# Use the PREDEFINED tag if you want to use a different macro definition. + +EXPAND_AS_DEFINED = + +# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then +# doxygen's preprocessor will remove all function-like macros that are alone +# on a line, have an all uppercase name, and do not end with a semicolon. Such +# function macros are typically used for boiler-plate code, and will confuse +# the parser if not removed. + +SKIP_FUNCTION_MACROS = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to external references +#--------------------------------------------------------------------------- + +# The TAGFILES option can be used to specify one or more tagfiles. +# Optionally an initial location of the external documentation +# can be added for each tagfile. The format of a tag file without +# this location is as follows: +# TAGFILES = file1 file2 ... +# Adding location for the tag files is done as follows: +# TAGFILES = file1=loc1 "file2 = loc2" ... +# where "loc1" and "loc2" can be relative or absolute paths or +# URLs. If a location is present for each tag, the installdox tool +# does not have to be run to correct the links. +# Note that each tag file must have a unique name +# (where the name does NOT include the path) +# If a tag file is not located in the directory in which doxygen +# is run, you must also specify the path to the tagfile here. + +TAGFILES = + +# When a file name is specified after GENERATE_TAGFILE, doxygen will create +# a tag file that is based on the input files it reads. + +GENERATE_TAGFILE = + +# If the ALLEXTERNALS tag is set to YES all external classes will be listed +# in the class index. If set to NO only the inherited external classes +# will be listed. + +ALLEXTERNALS = NO + +# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed +# in the modules index. If set to NO, only the current project's groups will +# be listed. + +EXTERNAL_GROUPS = YES + +# The PERL_PATH should be the absolute path and name of the perl script +# interpreter (i.e. the result of `which perl'). + +PERL_PATH = /usr/bin/perl + +#--------------------------------------------------------------------------- +# Configuration options related to the dot tool +#--------------------------------------------------------------------------- + +# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will +# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base +# or super classes. Setting the tag to NO turns the diagrams off. Note that +# this option is superseded by the HAVE_DOT option below. This is only a +# fallback. It is recommended to install and use dot, since it yields more +# powerful graphs. + +CLASS_DIAGRAMS = YES + +# If set to YES, the inheritance and collaboration graphs will hide +# inheritance and usage relations if the target is undocumented +# or is not a class. + +HIDE_UNDOC_RELATIONS = YES + +# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is +# available from the path. This tool is part of Graphviz, a graph visualization +# toolkit from AT&T and Lucent Bell Labs. The other options in this section +# have no effect if this option is set to NO (the default) + +HAVE_DOT = @HAVE_DOT@ + +# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect inheritance relations. Setting this tag to YES will force the +# the CLASS_DIAGRAMS tag to NO. + +CLASS_GRAPH = YES + +# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect implementation dependencies (inheritance, containment, and +# class references variables) of the class with other documented classes. + +COLLABORATION_GRAPH = YES + +# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for groups, showing the direct groups dependencies + +GROUP_GRAPHS = YES + +# If the UML_LOOK tag is set to YES doxygen will generate inheritance and +# collaboration diagrams in a style similar to the OMG's Unified Modeling +# Language. + +UML_LOOK = NO + +# If set to YES, the inheritance and collaboration graphs will show the +# relations between templates and their instances. + +TEMPLATE_RELATIONS = NO + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT +# tags are set to YES then doxygen will generate a graph for each documented +# file showing the direct and indirect include dependencies of the file with +# other documented files. + +INCLUDE_GRAPH = YES + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and +# HAVE_DOT tags are set to YES then doxygen will generate a graph for each +# documented header file showing the documented files that directly or +# indirectly include this file. + +INCLUDED_BY_GRAPH = YES + +# If the CALL_GRAPH and HAVE_DOT tags are set to YES then doxygen will +# generate a call dependency graph for every global function or class method. +# Note that enabling this option will significantly increase the time of a run. +# So in most cases it will be better to enable call graphs for selected +# functions only using the \callgraph command. + +CALL_GRAPH = NO + +# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen +# will graphical hierarchy of all classes instead of a textual one. + +GRAPHICAL_HIERARCHY = YES + +# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES +# then doxygen will show the dependencies a directory has on other directories +# in a graphical way. The dependency relations are determined by the #include +# relations between the files in the directories. + +DIRECTORY_GRAPH = YES + +# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images +# generated by dot. Possible values are png, jpg, or gif +# If left blank png will be used. + +DOT_IMAGE_FORMAT = png + +# The tag DOT_PATH can be used to specify the path where the dot tool can be +# found. If left blank, it is assumed the dot tool can be found in the path. + +DOT_PATH = @DOTDIR@ + +# The DOTFILE_DIRS tag can be used to specify one or more directories that +# contain dot files that are included in the documentation (see the +# \dotfile command). + +DOTFILE_DIRS = + +# The MAX_DOT_GRAPH_WIDTH tag can be used to set the maximum allowed width +# (in pixels) of the graphs generated by dot. If a graph becomes larger than +# this value, doxygen will try to truncate the graph, so that it fits within +# the specified constraint. Beware that most browsers cannot cope with very +# large images. + +MAX_DOT_GRAPH_WIDTH = 1024 + +# The MAX_DOT_GRAPH_HEIGHT tag can be used to set the maximum allows height +# (in pixels) of the graphs generated by dot. If a graph becomes larger than +# this value, doxygen will try to truncate the graph, so that it fits within +# the specified constraint. Beware that most browsers cannot cope with very +# large images. + +MAX_DOT_GRAPH_HEIGHT = 1024 + +# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the +# graphs generated by dot. A depth value of 3 means that only nodes reachable +# from the root by following a path via at most 3 edges will be shown. Nodes +# that lay further from the root node will be omitted. Note that setting this +# option to 1 or 2 may greatly reduce the computation time needed for large +# code bases. Also note that a graph may be further truncated if the graph's +# image dimensions are not sufficient to fit the graph (see MAX_DOT_GRAPH_WIDTH +# and MAX_DOT_GRAPH_HEIGHT). If 0 is used for the depth value (the default), +# the graph is not depth-constrained. + +MAX_DOT_GRAPH_DEPTH = 0 + +# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent +# background. This is disabled by default, which results in a white background. +# Warning: Depending on the platform used, enabling this option may lead to +# badly anti-aliased labels on the edges of a graph (i.e. they become hard to +# read). + +DOT_TRANSPARENT = NO + +# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output +# files in one run (i.e. multiple -o and -T options on the command line). This +# makes dot run faster, but since only newer versions of dot (>1.8.10) +# support this, this feature is disabled by default. + +DOT_MULTI_TARGETS = NO + +# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will +# generate a legend page explaining the meaning of the various boxes and +# arrows in the dot generated graphs. + +GENERATE_LEGEND = YES + +# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will +# remove the intermediate dot files that are used to generate +# the various graphs. + +DOT_CLEANUP = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to the search engine +#--------------------------------------------------------------------------- + +# The SEARCHENGINE tag specifies whether or not a search engine should be +# used. If set to NO the values of all tags below this one will be ignored. + +SEARCHENGINE = NO diff --git a/doc/makefile b/doc/makefile index 31ee061fb..5f774b825 100644 --- a/doc/makefile +++ b/doc/makefile @@ -42,3 +42,24 @@ doc.ja: %.ja: doc.pl: %.pl: $(MAKE) -C pl $* + +ifdef DOXYGEN +DOXYGEN_SOURCES = $(shell find $(BASE)/apt-pkg -not -name .\\\#* -and \( -name \*.cc -or -name \*.h \) ) + +clean: doxygen-clean + +doxygen-clean: + rm -fr $(BUILD)/doc/doxygen + rm -f $(BUILD)/doc/doxygen-stamp + +$(BUILD)/doc/Doxyfile: Doxyfile.in + (cd $(BUILD) && ./config.status doc/Doxyfile) + +$(BUILD)/doc/doxygen-stamp: $(DOXYGEN_SOURCES) $(BUILD)/doc/Doxyfile + rm -fr $(BUILD)/doc/doxygen + $(DOXYGEN) $(BUILD)/doc/Doxyfile + touch $(BUILD)/doc/doxygen-stamp + +doc: $(BUILD)/doc/doxygen-stamp + +endif |