Added clean install code

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

diff --git a/apt-pkg/acquire.cc b/apt-pkg/acquire.cc
index 306512436e778086381e10105a6a7dbe77b0ece9..842f2e31acb74199a6e8626e34ddf457c27c3fcc 100644 (file)
--- a/apt-pkg/acquire.cc
+++ b/apt-pkg/acquire.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: acquire.cc,v 1.34 1999/05/24 03:39:37 jgg Exp $
+// $Id: acquire.cc,v 1.38 1999/07/30 05:36:52 jgg Exp $
 /* ######################################################################
 
    Acquire - File Acquiration
@@ -53,15 +53,23 @@ pkgAcquire::pkgAcquire(pkgAcquireStatus *Log) : Log(Log)
 /* Free our memory, clean up the queues (destroy the workers) */
 pkgAcquire::~pkgAcquire()
 {
-   while (Items.size() != 0)
-      delete Items[0];
-
    while (Configs != 0)
    {
       MethodConfig *Jnk = Configs;
       Configs = Configs->Next;
       delete Jnk;
    }   
+   
+   Shutdown();
+}
+                                                                       /*}}}*/
+// pkgAcquire::Shutdown - Clean out the acquire object                 /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcquire::Shutdown()
+{
+   while (Items.size() != 0)
+      delete Items[0];
 
    while (Queues != 0)
    {
@@ -125,7 +133,7 @@ void pkgAcquire::Remove(Worker *Work)
 // Acquire::Enqueue - Queue an URI for fetching                                /*{{{*/
 // ---------------------------------------------------------------------
 /* This is the entry point for an item. An item calls this function when
-   it is construction which creates a queue (based on the current queue
+   it is constructed which creates a queue (based on the current queue
    mode) and puts the item in that queue. If the system is running then
    the queue might be started. */
 void pkgAcquire::Enqueue(ItemDesc &Item)
@@ -275,7 +283,7 @@ void pkgAcquire::RunFds(fd_set *RSet,fd_set *WSet)
 /* This runs the queues. It manages a select loop for all of the
    Worker tasks. The workers interact with the queues and items to
    manage the actual fetch. */
-bool pkgAcquire::Run()
+pkgAcquire::RunResult pkgAcquire::Run()
 {
    Running = true;
    
@@ -285,6 +293,8 @@ bool pkgAcquire::Run()
    if (Log != 0)
       Log->Start();
    
+   bool WasCancelled = false;
+
    // Run till all things have been acquired
    struct timeval tv;
    tv.tv_sec = 0;
@@ -321,8 +331,11 @@ bool pkgAcquire::Run()
         tv.tv_usec = 500000;
         for (Worker *I = Workers; I != 0; I = I->NextAcquire)
            I->Pulse();
-        if (Log != 0)
-           Log->Pulse(this);
+        if (Log != 0 && Log->Pulse(this) == false)
+        {
+           WasCancelled = true;
+           break;
+        }
       }      
    }   
 
@@ -338,7 +351,11 @@ bool pkgAcquire::Run()
    for (Item **I = Items.begin(); I != Items.end(); I++)
       (*I)->Finished();
    
-   return !_error->PendingError();
+   if (_error->PendingError())
+      return Failed;
+   if (WasCancelled)
+      return Cancelled;
+   return Continue;
 }
                                                                        /*}}}*/
 // Acquire::Bump - Called when an item is dequeued                     /*{{{*/
@@ -675,7 +692,7 @@ pkgAcquireStatus::pkgAcquireStatus()
 /* This computes some internal state variables for the derived classes to
    use. It generates the current downloaded bytes and total bytes to download
    as well as the current CPS estimate. */
-void pkgAcquireStatus::Pulse(pkgAcquire *Owner)
+bool pkgAcquireStatus::Pulse(pkgAcquire *Owner)
 {
    TotalBytes = 0;
    CurrentBytes = 0;
@@ -704,16 +721,29 @@ void pkgAcquireStatus::Pulse(pkgAcquire *Owner)
    }
    
    // Compute the current completion
+   unsigned long ResumeSize = 0;
    for (pkgAcquire::Worker *I = Owner->WorkersBegin(); I != 0;
        I = Owner->WorkerStep(I))
       if (I->CurrentItem != 0 && I->CurrentItem->Owner->Complete == false)
-        CurrentBytes += I->CurrentSize - I->ResumePoint;
-      
+      {
+        CurrentBytes += I->CurrentSize;
+        ResumeSize += I->ResumePoint;
+        
+        // Files with unknown size always have 100% completion
+        if (I->CurrentItem->Owner->FileSize == 0 && 
+            I->CurrentItem->Owner->Complete == false)
+           TotalBytes += I->CurrentSize;
+      }
+   
    // Normalize the figures and account for unknown size downloads
    if (TotalBytes <= 0)
       TotalBytes = 1;
    if (Unknown == Count)
       TotalBytes = Unknown;
+
+   // Wha?! Is not supposed to happen.
+   if (CurrentBytes > TotalBytes)
+      CurrentBytes = TotalBytes;
    
    // Compute the CPS
    struct timeval NewTime;
@@ -728,11 +758,13 @@ void pkgAcquireStatus::Pulse(pkgAcquire *Owner)
       if (Delta < 0.01)
         CurrentCPS = 0;
       else
-        CurrentCPS = (CurrentBytes - LastBytes)/Delta;
-      LastBytes = CurrentBytes;
+        CurrentCPS = ((CurrentBytes - ResumeSize) - LastBytes)/Delta;
+      LastBytes = CurrentBytes - ResumeSize;
       ElapsedTime = (unsigned long)Delta;
       Time = NewTime;
    }
+
+   return true;
 }
                                                                        /*}}}*/
 // AcquireStatus::Start - Called when the download is started          /*{{{*/