Added some control over how dpkg is invoked

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

diff --git a/apt-pkg/acquire.h b/apt-pkg/acquire.h
index 036a497..5693615 100644 (file)
--- a/apt-pkg/acquire.h
+++ b/apt-pkg/acquire.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: acquire.h,v 1.12 1998/11/13 07:08:55 jgg Exp $
+// $Id: acquire.h,v 1.19 1999/01/30 06:07:24 jgg Exp $
 /* ######################################################################
 
    Acquire - File Acquiration
@@ -79,7 +79,7 @@ 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);
@@ -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
 {
@@ -179,10 +221,10 @@ struct pkgAcquire::MethodConfig
 
    string Version;
    bool SingleInstance;
-   bool PreScan;
    bool Pipeline;
    bool SendConfig;
-   
+   bool LocalOnly;
+      
    MethodConfig();
 };
 
@@ -198,6 +240,8 @@ class pkgAcquireStatus
    unsigned long TotalBytes;
    unsigned long FetchedBytes;
    unsigned long ElapsedTime;
+   unsigned long TotalItems;
+   unsigned long CurrentItems;
    
    public:
 
@@ -206,11 +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();