* hack around local file:/ uri problem

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

diff --git a/apt-pkg/acquire.h b/apt-pkg/acquire.h
index 8bdcb8bb2f518297123f65374a4320f952bb393a..27bb3d363a985b588c5d199d8c15371d919590eb 100644 (file)
--- a/apt-pkg/acquire.h
+++ b/apt-pkg/acquire.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: acquire.h,v 1.14 1998/11/23 07:32:20 jgg Exp $
+// $Id: acquire.h,v 1.29.2.1 2003/12/24 23:09:17 mdz Exp $

 /* ######################################################################
 
    Acquire - File Acquiration
 /* ######################################################################
 
    Acquire - File Acquiration


@@ -35,6 +35,9 @@
 #include <vector>
 #include <string>
 
 #include <vector>
 #include <string>
 

+using std::vector;
+using std::string;
+

 #ifdef __GNUG__
 #pragma interface "apt-pkg/acquire.h"
 #endif 
 #ifdef __GNUG__
 #pragma interface "apt-pkg/acquire.h"
 #endif 


@@ -52,8 +55,11 @@ class pkgAcquire
    class Worker;
    struct MethodConfig;
    struct ItemDesc;
    class Worker;
    struct MethodConfig;
    struct ItemDesc;

-   friend Item;
-   friend Queue;
+   friend class Item;
+   friend class Queue;
+
+   typedef vector<Item *>::iterator ItemIterator;
+   typedef vector<Item *>::const_iterator ItemCIterator;

    
    protected:
    
    
    protected:
    


@@ -82,8 +88,8 @@ class pkgAcquire
    string QueueName(string URI,MethodConfig const *&Config);
 
    // FDSET managers for derived classes
    string QueueName(string URI,MethodConfig const *&Config);
 
    // FDSET managers for derived classes

-   void SetFds(int &Fd,fd_set *RSet,fd_set *WSet);
-   void RunFds(fd_set *RSet,fd_set *WSet);   
+   virtual void SetFds(int &Fd,fd_set *RSet,fd_set *WSet);
+   virtual void RunFds(fd_set *RSet,fd_set *WSet);   

 
    // A queue calls this when it dequeues an item
    void Bump();
 
    // A queue calls this when it dequeues an item
    void Bump();


@@ -91,23 +97,33 @@ class pkgAcquire
    public:
 
    MethodConfig *GetConfig(string Access);
    public:
 
    MethodConfig *GetConfig(string Access);

-   bool Run();

 
 

+   enum RunResult {Continue,Failed,Cancelled};
+
+   RunResult Run(int PulseIntervall=500000);
+   void Shutdown();
+   

    // Simple iteration mechanism
    inline Worker *WorkersBegin() {return Workers;};
    Worker *WorkerStep(Worker *I);
    // Simple iteration mechanism
    inline Worker *WorkersBegin() {return Workers;};
    Worker *WorkerStep(Worker *I);

-   inline Item **ItemsBegin() {return Items.begin();};
-   inline Item **ItemsEnd() {return Items.end();};
-
+   inline ItemIterator ItemsBegin() {return Items.begin();};
+   inline ItemIterator ItemsEnd() {return Items.end();};
+   
+   // Iterate over queued Item URIs
+   class UriIterator;
+   UriIterator UriBegin();
+   UriIterator UriEnd();
+   

    // Cleans out the download dir
    bool Clean(string Dir);
 
    // Returns the size of the total download set
    // Cleans out the download dir
    bool Clean(string Dir);
 
    // Returns the size of the total download set

-   unsigned long TotalNeeded();
-   unsigned long FetchNeeded();
-   
+   double TotalNeeded();
+   double FetchNeeded();
+   double PartialPresent();
+

    pkgAcquire(pkgAcquireStatus *Log = 0);
    pkgAcquire(pkgAcquireStatus *Log = 0);

-   ~pkgAcquire();
+   virtual ~pkgAcquire();

 };
 
 // Description of an Item+URI
 };
 
 // Description of an Item+URI


@@ -122,7 +138,9 @@ struct pkgAcquire::ItemDesc
 // List of possible items queued for download.
 class pkgAcquire::Queue
 {
 // List of possible items queued for download.
 class pkgAcquire::Queue
 {

-   friend pkgAcquire;
+   friend class pkgAcquire;
+   friend class pkgAcquire::UriIterator;
+   friend class pkgAcquire::Worker;

    Queue *Next;
    
    protected:
    Queue *Next;
    
    protected:


@@ -149,6 +167,8 @@ class pkgAcquire::Queue
    QItem *Items;
    pkgAcquire::Worker *Workers;
    pkgAcquire *Owner;
    QItem *Items;
    pkgAcquire::Worker *Workers;
    pkgAcquire *Owner;

+   signed long PipeDepth;
+   unsigned long MaxPipeDepth;

    
    public:
    
    
    public:
    


@@ -162,7 +182,7 @@ class pkgAcquire::Queue
    bool ItemDone(QItem *Itm);
    
    bool Startup();
    bool ItemDone(QItem *Itm);
    
    bool Startup();

-   bool Shutdown();
+   bool Shutdown(bool Final);

    bool Cycle();
    void Bump();
    
    bool Cycle();
    void Bump();
    


@@ -170,6 +190,40 @@ class pkgAcquire::Queue
    ~Queue();
 };
 
    ~Queue();
 };
 

+class pkgAcquire::UriIterator
+{
+   pkgAcquire::Queue *CurQ;
+   pkgAcquire::Queue::QItem *CurItem;
+   
+   public:
+   
+   // Advance to the next item
+   inline void operator ++() {operator ++();};
+   void operator ++(int)
+   {
+      CurItem = CurItem->Next;
+      while (CurItem == 0 && CurQ != 0)
+      {
+        CurItem = CurQ->Items;
+        CurQ = CurQ->Next;
+      }
+   };
+   
+   // 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;};
+   
+   UriIterator(pkgAcquire::Queue *Q) : CurQ(Q), CurItem(0)
+   {
+      while (CurItem == 0 && CurQ != 0)
+      {
+        CurItem = CurQ->Items;
+        CurQ = CurQ->Next;
+      }
+   }   
+};
+

 // Configuration information from each method
 struct pkgAcquire::MethodConfig
 {
 // Configuration information from each method
 struct pkgAcquire::MethodConfig
 {


@@ -179,11 +233,12 @@ struct pkgAcquire::MethodConfig
 
    string Version;
    bool SingleInstance;
 
    string Version;
    bool SingleInstance;

-   bool PreScan;

    bool Pipeline;
    bool SendConfig;
    bool LocalOnly;
    bool Pipeline;
    bool SendConfig;
    bool LocalOnly;

-      
+   bool NeedsCleanup;
+   bool Removable;
+   

    MethodConfig();
 };
 
    MethodConfig();
 };
 


@@ -193,11 +248,11 @@ class pkgAcquireStatus
    
    struct timeval Time;
    struct timeval StartTime;
    
    struct timeval Time;
    struct timeval StartTime;

-   unsigned long LastBytes;
+   double LastBytes;

    double CurrentCPS;
    double CurrentCPS;

-   unsigned long CurrentBytes;
-   unsigned long TotalBytes;
-   unsigned long FetchedBytes;
+   double CurrentBytes;
+   double TotalBytes;
+   double FetchedBytes;

    unsigned long ElapsedTime;
    unsigned long TotalItems;
    unsigned long CurrentItems;
    unsigned long ElapsedTime;
    unsigned long TotalItems;
    unsigned long CurrentItems;


@@ -205,16 +260,20 @@ class pkgAcquireStatus
    public:
 
    bool Update;
    public:
 
    bool Update;

-   
+   bool MorePulses;
+      

    // Called by items when they have finished a real download
    virtual void Fetched(unsigned long Size,unsigned long ResumePoint);
    
    // Called by items when they have finished a real download
    virtual void Fetched(unsigned long Size,unsigned long ResumePoint);
    

+   // Called to change media
+   virtual bool MediaChange(string Media,string Drive) = 0;
+   

    // Each of these is called by the workers when an event occures
    // Each of these is called by the workers when an event occures

-   virtual void IMSHit(pkgAcquire::ItemDesc &Itm) {};
-   virtual void Fetch(pkgAcquire::ItemDesc &Itm) {};
-   virtual void Done(pkgAcquire::ItemDesc &Itm) {};
-   virtual void Fail(pkgAcquire::ItemDesc &Itm) {};   
-   virtual void Pulse(pkgAcquire *Owner);
+   virtual void IMSHit(pkgAcquire::ItemDesc &/*Itm*/) {};
+   virtual void Fetch(pkgAcquire::ItemDesc &/*Itm*/) {};
+   virtual void Done(pkgAcquire::ItemDesc &/*Itm*/) {};
+   virtual void Fail(pkgAcquire::ItemDesc &/*Itm*/) {};
+   virtual bool Pulse(pkgAcquire *Owner); // returns false on user cancel

    virtual void Start();
    virtual void Stop();
    
    virtual void Start();
    virtual void Stop();