X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/a72ace2091afd833e9359514644676c6bca55d96..e5a1f2ff4cd1300364c7c644958583a8af704173:/apt-pkg/acquire.h

diff --git a/apt-pkg/acquire.h b/apt-pkg/acquire.h
index 1526a1f7a..5693615dd 100644
--- a/apt-pkg/acquire.h
+++ b/apt-pkg/acquire.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: acquire.h,v 1.15 1998/11/29 01:24:20 jgg Exp $
+// $Id: acquire.h,v 1.19 1999/01/30 06:07:24 jgg Exp $
 /* ######################################################################
 
    Acquire - File Acquiration
@@ -98,7 +98,12 @@ class pkgAcquire
    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);
 
@@ -123,6 +128,7 @@ struct pkgAcquire::ItemDesc
 class pkgAcquire::Queue
 {
    friend pkgAcquire;
+   friend pkgAcquire::UriIterator;
    Queue *Next;
    
    protected:
@@ -149,6 +155,8 @@ class pkgAcquire::Queue
    QItem *Items;
    pkgAcquire::Worker *Workers;
    pkgAcquire *Owner;
+   signed long PipeDepth;
+   unsigned long MaxPipeDepth;
    
    public:
    
@@ -170,6 +178,40 @@ 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
 {
@@ -208,11 +250,14 @@ 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 Fail(pkgAcquire::ItemDesc &Itm) {};
    virtual void Pulse(pkgAcquire *Owner);
    virtual void Start();
    virtual void Stop();