X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b98f285980c3c2701539e196993ead268141aaeb..d556d1a1cc89e0f99d1b76fd6da72fd0174f5862:/apt-pkg/acquire.h

diff --git a/apt-pkg/acquire.h b/apt-pkg/acquire.h
index 5d6e5502c..bf43ac703 100644
--- a/apt-pkg/acquire.h
+++ b/apt-pkg/acquire.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: acquire.h,v 1.10 1998/11/11 06:54:17 jgg Exp $
+// $Id: acquire.h,v 1.23 1999/07/09 04:38:00 jgg Exp $
 /* ######################################################################
 
    Acquire - File Acquiration
@@ -79,11 +79,11 @@ class pkgAcquire
    
    void Enqueue(ItemDesc &Item);
    void Dequeue(Item *Item);
-   string QueueName(string URI);
+   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();
@@ -91,16 +91,33 @@ class pkgAcquire
    public:
 
    MethodConfig *GetConfig(string Access);
-   bool Run();
 
+   enum RunResult {Continue,Failed,Cancelled};
+
+   RunResult Run();
+   void Shutdown();
+   
    // Simple iteration mechanism
    inline Worker *WorkersBegin() {return Workers;};
    Worker *WorkerStep(Worker *I);
    inline Item **ItemsBegin() {return Items.begin();};
    inline Item **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
+   unsigned long TotalNeeded();
+   unsigned long FetchNeeded();
+   unsigned long PartialPresent();
+   
    pkgAcquire(pkgAcquireStatus *Log = 0);
-   ~pkgAcquire();
+   virtual ~pkgAcquire();
 };
 
 // Description of an Item+URI
@@ -116,6 +133,7 @@ struct pkgAcquire::ItemDesc
 class pkgAcquire::Queue
 {
    friend pkgAcquire;
+   friend pkgAcquire::UriIterator;
    Queue *Next;
    
    protected:
@@ -142,6 +160,8 @@ class pkgAcquire::Queue
    QItem *Items;
    pkgAcquire::Worker *Workers;
    pkgAcquire *Owner;
+   signed long PipeDepth;
+   unsigned long MaxPipeDepth;
    
    public:
    
@@ -163,6 +183,40 @@ class pkgAcquire::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
 {
@@ -172,10 +226,10 @@ struct pkgAcquire::MethodConfig
 
    string Version;
    bool SingleInstance;
-   bool PreScan;
    bool Pipeline;
    bool SendConfig;
-   
+   bool LocalOnly;
+      
    MethodConfig();
 };
 
@@ -191,6 +245,8 @@ class pkgAcquireStatus
    unsigned long TotalBytes;
    unsigned long FetchedBytes;
    unsigned long ElapsedTime;
+   unsigned long TotalItems;
+   unsigned long CurrentItems;
    
    public:
 
@@ -199,15 +255,18 @@ class pkgAcquireStatus
    // 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
    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 Fail(pkgAcquire::ItemDesc &Itm) {};
+   virtual bool Pulse(pkgAcquire *Owner); // returns false on user cancel
    virtual void Start();
    virtual void Stop();
-
+   
    pkgAcquireStatus();
    virtual ~pkgAcquireStatus() {};
 };