merge with debian-experimental 0.8.16~exp2 release

[apt.git] / apt-pkg / acquire-item.h

diff --git a/apt-pkg/acquire-item.h b/apt-pkg/acquire-item.h
index af0b2d888391a02933783698b49cfcdfce1b9289..f763577ee8ee11eacd0d60bfaff172c9f533e9a2 100644 (file)
--- a/apt-pkg/acquire-item.h
+++ b/apt-pkg/acquire-item.h
@@ -27,6 +27,7 @@
 #include <apt-pkg/pkgrecords.h>
 #include <apt-pkg/indexrecords.h>
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/pkgrecords.h>
 #include <apt-pkg/indexrecords.h>
 #include <apt-pkg/hashes.h>

+#include <apt-pkg/weakptr.h>

 
 /** \addtogroup acquire
  *  @{
 
 /** \addtogroup acquire
  *  @{


@@ -34,7 +35,7 @@
  *  \file acquire-item.h
  */
 
  *  \file acquire-item.h
  */
 

-/** \brief Represents the process by which a pkgAcquire object should
+/** \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
  *  retrieve a file or a collection of files.
  *
  *  By convention, Item subclasses should insert themselves into the


@@ -46,7 +47,7 @@
  *
  *  \see pkgAcquire
  */
  *
  *  \see pkgAcquire
  */

-class pkgAcquire::Item
+class pkgAcquire::Item : public WeakPointable

 {  
    protected:
    
 {  
    protected:
    


@@ -111,10 +112,10 @@ class pkgAcquire::Item
    string ErrorText;
 
    /** \brief The size of the object to fetch. */
    string ErrorText;
 
    /** \brief The size of the object to fetch. */

-   unsigned long FileSize;
+   unsigned long long FileSize;

 
    /** \brief How much of the object was already fetched. */
 
    /** \brief How much of the object was already fetched. */

-   unsigned long PartialSize;
+   unsigned long long PartialSize;

 
    /** \brief If not \b NULL, contains the name of a subprocess that
     *  is operating on this object (for instance, "gzip" or "gpgv").
 
    /** \brief If not \b NULL, contains the name of a subprocess that
     *  is operating on this object (for instance, "gzip" or "gpgv").


@@ -273,8 +274,8 @@ class pkgAcquire::Item
     */
    virtual ~Item();
 };
     */
    virtual ~Item();
 };

-
-/** \brief Information about an index patch (aka diff). */
+                                                                       /*}}}*/
+/** \brief Information about an index patch (aka diff). */             /*{{{*/

 struct DiffInfo {
    /** The filename of the diff. */
    string file;
 struct DiffInfo {
    /** The filename of the diff. */
    string file;


@@ -285,8 +286,52 @@ struct DiffInfo {
    /** The size of the diff. */
    unsigned long size;
 };
    /** The size of the diff. */
    unsigned long size;
 };

+                                                                       /*}}}*/
+/** \brief An item that is responsible for fetching a SubIndex         {{{
+ *
+ *  The MetaIndex file includes only records for important indexes
+ *  and records for these SubIndex files so these can carry records
+ *  for addition files like PDiffs and Translations
+ */
+class pkgAcqSubIndex : public pkgAcquire::Item
+{
+ protected:
+   /** \brief If \b true, debugging information will be written to std::clog. */
+   bool Debug;
+
+   /** \brief The item that is currently being downloaded. */
+   pkgAcquire::ItemDesc Desc;
+
+   /** \brief The Hash that this file should have after download
+    */
+   HashString ExpectedHash;
+
+ public:
+   // Specialized action members
+   virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
+   virtual void Done(string Message,unsigned long Size,string Md5Hash,
+                    pkgAcquire::MethodConfig *Cnf);
+   virtual string DescURI() {return Desc.URI;};
+   virtual string Custom600Headers();
+   virtual bool ParseIndex(string const &IndexFile);

 
 

-/** \brief An item that is responsible for fetching an index file of
+   /** \brief Create a new pkgAcqSubIndex.
+    *
+    *  \param Owner The Acquire object that owns this item.
+    *
+    *  \param URI The URI of the list file to download.
+    *
+    *  \param URIDesc A long description of the list file to download.
+    *
+    *  \param ShortDesc A short description of the list file to download.
+    *
+    *  \param ExpectedHash The list file's MD5 signature.
+    */
+   pkgAcqSubIndex(pkgAcquire *Owner, string const &URI,string const &URIDesc,
+                  string const &ShortDesc, HashString const &ExpectedHash);
+};
+                                                                       /*}}}*/
+/** \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
  *  package list diffs and starting the package list's download.
  *
  *  This item downloads the Index file and parses it, then enqueues


@@ -360,8 +405,8 @@ class pkgAcqDiffIndex : public pkgAcquire::Item
    pkgAcqDiffIndex(pkgAcquire *Owner,string URI,string URIDesc,
                   string ShortDesc, HashString ExpectedHash);
 };
    pkgAcqDiffIndex(pkgAcquire *Owner,string URI,string URIDesc,
                   string ShortDesc, HashString ExpectedHash);
 };

-
-/** \brief An item that is responsible for fetching all the patches
+                                                                       /*}}}*/
+/** \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
  *  that need to be applied to a given package index file.
  *
  *  After downloading and applying a single patch, this item will


@@ -434,6 +479,10 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item
     *  off the front?
     */
    vector<DiffInfo> available_patches;
     *  off the front?
     */
    vector<DiffInfo> available_patches;

+
+   /** Stop applying patches when reaching that sha1 */
+   string ServerSha1;
+

    /** The current status of this patch. */
    enum DiffState
      {
    /** The current status of this patch. */
    enum DiffState
      {


@@ -444,7 +493,7 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item
         StateFetchDiff,
         
         /** \brief The diff is currently being uncompressed. */
         StateFetchDiff,
         
         /** \brief The diff is currently being uncompressed. */

-        StateUnzipDiff,
+        StateUnzipDiff, // FIXME: No longer used

 
         /** \brief The diff is currently being applied. */
         StateApplyDiff
 
         /** \brief The diff is currently being applied. */
         StateApplyDiff


@@ -487,10 +536,11 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item
     */
    pkgAcqIndexDiffs(pkgAcquire *Owner,string URI,string URIDesc,
                    string ShortDesc, HashString ExpectedHash,
     */
    pkgAcqIndexDiffs(pkgAcquire *Owner,string URI,string URIDesc,
                    string ShortDesc, HashString ExpectedHash,

+                   string ServerSha1,

                    vector<DiffInfo> diffs=vector<DiffInfo>());
 };
                    vector<DiffInfo> diffs=vector<DiffInfo>());
 };

-
-/** \brief An acquire item that is responsible for fetching an index
+                                                                       /*}}}*/
+/** \brief An acquire item that is responsible for fetching an index   {{{

  *  file (e.g., Packages or Sources).
  *
  *  \sa pkgAcqDiffIndex, pkgAcqIndexDiffs, pkgAcqIndexTrans
  *  file (e.g., Packages or Sources).
  *
  *  \sa pkgAcqDiffIndex, pkgAcqIndexDiffs, pkgAcqIndexTrans


@@ -522,8 +572,8 @@ class pkgAcqIndex : public pkgAcquire::Item
    /** \brief The expected hashsum of the decompressed index file. */
    HashString ExpectedHash;
 
    /** \brief The expected hashsum of the decompressed index file. */
    HashString ExpectedHash;
 

-   /** \brief The compression-related file extension that is being
-    *  added to the downloaded file (e.g., ".gz" or ".bz2").
+   /** \brief The compression-related file extensions that are being
+    *  added to the downloaded file one by one if first fails (e.g., "gz bz2").

     */
    string CompressionExtension;
 
     */
    string CompressionExtension;
 


@@ -534,7 +584,7 @@ class pkgAcqIndex : public pkgAcquire::Item
    virtual void Done(string Message,unsigned long Size,string Md5Hash,
                     pkgAcquire::MethodConfig *Cnf);
    virtual string Custom600Headers();
    virtual void Done(string Message,unsigned long Size,string Md5Hash,
                     pkgAcquire::MethodConfig *Cnf);
    virtual string Custom600Headers();

-   virtual string DescURI() {return RealURI + CompressionExtension;};
+   virtual string DescURI() {return Desc.URI;};

    virtual string HashSum() {return ExpectedHash.toStr(); };
 
    /** \brief Create a pkgAcqIndex.
    virtual string HashSum() {return ExpectedHash.toStr(); };
 
    /** \brief Create a pkgAcqIndex.


@@ -552,14 +602,19 @@ class pkgAcqIndex : public pkgAcquire::Item
     *
     *  \param compressExt The compression-related extension with which
     *  this index file should be downloaded, or "" to autodetect
     *
     *  \param compressExt The compression-related extension with which
     *  this index file should be downloaded, or "" to autodetect

-    *  (".bz2" is used if bzip2 is installed, ".gz" otherwise).
+    *  Compression types can be set with config Acquire::CompressionTypes,
+    *  default is ".lzma" or ".bz2" (if the needed binaries are present)
+    *  fallback is ".gz" or none.

     */
    pkgAcqIndex(pkgAcquire *Owner,string URI,string URIDesc,
               string ShortDesc, HashString ExpectedHash, 
               string compressExt="");
     */
    pkgAcqIndex(pkgAcquire *Owner,string URI,string URIDesc,
               string ShortDesc, HashString ExpectedHash, 
               string compressExt="");

+   pkgAcqIndex(pkgAcquire *Owner, struct IndexTarget const * const Target,
+                        HashString const &ExpectedHash, indexRecords const *MetaIndexParser);
+   void Init(string const &URI, string const &URIDesc, string const &ShortDesc);

 };
 };

-
-/** \brief An acquire item that is responsible for fetching a
+                                                                       /*}}}*/
+/** \brief An acquire item that is responsible for fetching a          {{{

  *  translated index file.
  *
  *  The only difference from pkgAcqIndex is that transient failures
  *  translated index file.
  *
  *  The only difference from pkgAcqIndex is that transient failures


@@ -571,6 +626,7 @@ class pkgAcqIndexTrans : public pkgAcqIndex
    public:
   
    virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
    public:
   
    virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);

+   virtual string Custom600Headers();

 
    /** \brief Create a pkgAcqIndexTrans.
     *
 
    /** \brief Create a pkgAcqIndexTrans.
     *


@@ -582,18 +638,14 @@ class pkgAcqIndexTrans : public pkgAcqIndex
     *  \param URIDesc A "URI-style" description of this index file.
     *
     *  \param ShortDesc A brief description of this index file.
     *  \param URIDesc A "URI-style" description of this index file.
     *
     *  \param ShortDesc A brief description of this index file.

-    *
-    *  \param ExpectedHash The expected hashsum of this index file.
-    *
-    *  \param compressExt The compression-related extension with which
-    *  this index file should be downloaded, or "" to autodetect
-    *  (".bz2" is used if bzip2 is installed, ".gz" otherwise).

     */
    pkgAcqIndexTrans(pkgAcquire *Owner,string URI,string URIDesc,
                    string ShortDesc);
     */
    pkgAcqIndexTrans(pkgAcquire *Owner,string URI,string URIDesc,
                    string ShortDesc);

+   pkgAcqIndexTrans(pkgAcquire *Owner, struct IndexTarget const * const Target,
+                   HashString const &ExpectedHash, indexRecords const *MetaIndexParser);

 };
 };

-
-/** \brief Information about an index file. */
+                                                                       /*}}}*/
+/** \brief Information about an index file. */                         /*{{{*/

 struct IndexTarget
 {
    /** \brief A URI from which the index file can be downloaded. */
 struct IndexTarget
 {
    /** \brief A URI from which the index file can be downloaded. */


@@ -609,9 +661,19 @@ struct IndexTarget
     *  looked up within the meta signature file.
     */
    string MetaKey;
     *  looked up within the meta signature file.
     */
    string MetaKey;

+
+   //FIXME: We should use virtual methods here instead…
+   bool IsOptional() const;
+   bool IsSubIndex() const;
+};
+                                                                       /*}}}*/
+/** \brief Information about an optional index file. */                        /*{{{*/
+struct OptionalIndexTarget : public IndexTarget
+{

 };
 };

+                                                                       /*}}}*/

 
 

-/** \brief An acquire item that downloads the detached signature
+/** \brief An acquire item that downloads the detached signature       {{{

  *  of a meta-index (Release) file, then queues up the release
  *  file itself.
  *
  *  of a meta-index (Release) file, then queues up the release
  *  file itself.
  *


@@ -672,8 +734,8 @@ class pkgAcqMetaSig : public pkgAcquire::Item
                 const vector<struct IndexTarget*>* IndexTargets,
                 indexRecords* MetaIndexParser);
 };
                 const vector<struct IndexTarget*>* IndexTargets,
                 indexRecords* MetaIndexParser);
 };

-
-/** \brief An item that is responsible for downloading the meta-index
+                                                                       /*}}}*/
+/** \brief An item that is responsible for downloading the meta-index  {{{

  *  file (i.e., Release) itself and verifying its signature.
  *
  *  Once the download and verification are complete, the downloads of
  *  file (i.e., Release) itself and verifying its signature.
  *
  *  Once the download and verification are complete, the downloads of


@@ -768,8 +830,42 @@ class pkgAcqMetaIndex : public pkgAcquire::Item
                   const vector<struct IndexTarget*>* IndexTargets,
                   indexRecords* MetaIndexParser);
 };
                   const vector<struct IndexTarget*>* IndexTargets,
                   indexRecords* MetaIndexParser);
 };

+                                                                       /*}}}*/
+/** \brief An item repsonsible for downloading clearsigned metaindexes {{{*/
+class pkgAcqMetaClearSig : public pkgAcqMetaIndex
+{
+   /** \brief The URI of the meta-index file for the detached signature */
+   string MetaIndexURI;
+
+   /** \brief A "URI-style" description of the meta-index file */
+   string MetaIndexURIDesc;
+
+   /** \brief A brief description of the meta-index file */
+   string MetaIndexShortDesc;
+
+   /** \brief The URI of the detached meta-signature file if the clearsigned one failed. */
+   string MetaSigURI;
+
+   /** \brief A "URI-style" description of the meta-signature file */
+   string MetaSigURIDesc;
+
+   /** \brief A brief description of the meta-signature file */
+   string MetaSigShortDesc;

 
 

-/** \brief An item that is responsible for fetching a package file.
+public:
+   void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
+   virtual string Custom600Headers();
+
+   /** \brief Create a new pkgAcqMetaClearSig. */
+   pkgAcqMetaClearSig(pkgAcquire *Owner,
+               string const &URI, string const &URIDesc, string const &ShortDesc,
+               string const &MetaIndexURI, string const &MetaIndexURIDesc, string const &MetaIndexShortDesc,
+               string const &MetaSigURI, string const &MetaSigURIDesc, string const &MetaSigShortDesc,
+               const vector<struct IndexTarget*>* IndexTargets,
+               indexRecords* MetaIndexParser);
+};
+                                                                       /*}}}*/
+/** \brief An item that is responsible for fetching a package file.    {{{

  *
  *  If the package file already exists in the cache, nothing will be
  *  done.
  *
  *  If the package file already exists in the cache, nothing will be
  *  done.


@@ -852,8 +948,8 @@ class pkgAcqArchive : public pkgAcquire::Item
                 pkgRecords *Recs,pkgCache::VerIterator const &Version,
                 string &StoreFilename);
 };
                 pkgRecords *Recs,pkgCache::VerIterator const &Version,
                 string &StoreFilename);
 };

-
-/** \brief Retrieve an arbitrary file to the current directory.
+                                                                       /*}}}*/
+/** \brief Retrieve an arbitrary file to the current directory.                {{{

  *
  *  The file is retrieved even if it is accessed via a URL type that
  *  normally is a NOP, such as "file".  If the download fails, the
  *
  *  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


@@ -872,6 +968,9 @@ class pkgAcqFile : public pkgAcquire::Item
     */
    unsigned int Retries;
    
     */
    unsigned int Retries;
    

+   /** \brief Should this file be considered a index file */
+   bool IsIndexFile;
+

    public:
    
    // Specialized action members
    public:
    
    // Specialized action members


@@ -880,6 +979,7 @@ class pkgAcqFile : public pkgAcquire::Item
                     pkgAcquire::MethodConfig *Cnf);
    virtual string DescURI() {return Desc.URI;};
    virtual string HashSum() {return ExpectedHash.toStr(); };
                     pkgAcquire::MethodConfig *Cnf);
    virtual string DescURI() {return Desc.URI;};
    virtual string HashSum() {return ExpectedHash.toStr(); };

+   virtual string Custom600Headers();

 
    /** \brief Create a new pkgAcqFile object.
     *
 
    /** \brief Create a new pkgAcqFile object.
     *


@@ -903,6 +1003,8 @@ class pkgAcqFile : public pkgAcquire::Item
     *
     *  \param DestFilename The filename+path the file is downloaded to.
     *
     *
     *  \param DestFilename The filename+path the file is downloaded to.
     *

+    *  \param IsIndexFile The file is considered a IndexFile and cache-control
+    *                     headers like "cache-control: max-age=0" are send

     *
     * If DestFilename is empty, download to DestDir/<basename> if
     * DestDir is non-empty, $CWD/<basename> otherwise.  If
     *
     * If DestFilename is empty, download to DestDir/<basename> if
     * DestDir is non-empty, $CWD/<basename> otherwise.  If


@@ -912,9 +1014,10 @@ class pkgAcqFile : public pkgAcquire::Item
 
    pkgAcqFile(pkgAcquire *Owner, string URI, string Hash, unsigned long Size,
              string Desc, string ShortDesc,
 
    pkgAcqFile(pkgAcquire *Owner, string URI, string Hash, unsigned long Size,
              string Desc, string ShortDesc,

-             const string &DestDir="", const string &DestFilename="");
+             const string &DestDir="", const string &DestFilename="",
+             bool IsIndexFile=false);

 };
 };

-
+                                                                       /*}}}*/

 /** @} */
 
 #endif
 /** @} */
 
 #endif