Merge remote-tracking branch 'upstream/debian/sid' into debian/sid

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

diff --git a/apt-pkg/acquire-worker.cc b/apt-pkg/acquire-worker.cc
index 8bc043c582bf855f393afc78d797546987cb92ad..047a655ced6dbddb7e10e882ff6e1e4b83b6d3bf 100644 (file)
--- a/apt-pkg/acquire-worker.cc
+++ b/apt-pkg/acquire-worker.cc
@@ -14,20 +14,23 @@
 // Include Files                                                       /*{{{*/
 #include <config.h>
 
+#include <apt-pkg/acquire.h>
 #include <apt-pkg/acquire-worker.h>
 #include <apt-pkg/acquire-item.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/hashes.h>
 
+#include <string>
+#include <vector>
 #include <iostream>
 #include <sstream>
-#include <fstream>
 
 #include <sys/stat.h>
+#include <stdlib.h>
 #include <unistd.h>
-#include <fcntl.h>
 #include <signal.h>
 #include <stdio.h>
 #include <errno.h>
@@ -109,7 +112,12 @@ bool pkgAcquire::Worker::Start()
    // Get the method path
    string Method = _config->FindDir("Dir::Bin::Methods") + Access;
    if (FileExists(Method) == false)
-      return _error->Error(_("The method driver %s could not be found."),Method.c_str());
+   {
+      _error->Error(_("The method driver %s could not be found."),Method.c_str());
+      if (Access == "https")
+        _error->Notice(_("Is the package %s installed?"), "apt-transport-https");
+      return false;
+   }
 
    if (Debug == true)
       clog << "Starting method '" << Method << '\'' << endl;
@@ -244,6 +252,21 @@ bool pkgAcquire::Worker::RunMessages()
  
             string NewURI = LookupTag(Message,"New-URI",URI.c_str());
             Itm->URI = NewURI;
+
+           ItemDone();
+
+           pkgAcquire::Item *Owner = Itm->Owner;
+           pkgAcquire::ItemDesc Desc = *Itm;
+
+           // Change the status so that it can be dequeued
+           Owner->Status = pkgAcquire::Item::StatIdle;
+           // Mark the item as done (taking care of all queues)
+           // and then put it in the main queue again
+           OwnerQ->ItemDone(Itm);
+           OwnerQ->Owner->Enqueue(Desc);
+
+           if (Log != 0)
+              Log->Done(Desc);
             break;
          }
    
@@ -290,7 +313,15 @@ bool pkgAcquire::Worker::RunMessages()
            
            OwnerQ->ItemDone(Itm);
            unsigned long long const ServerSize = strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10);
-           if (TotalSize != 0 && ServerSize != TotalSize)
+            bool isHit = StringToBool(LookupTag(Message,"IMS-Hit"),false) ||
+                         StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false);
+            // Using the https method the server might return 200, but the
+            // If-Modified-Since condition is not satsified, libcurl will
+            // discard the download. In this case, however, TotalSize will be
+            // set to the actual size of the file, while ServerSize will be set
+            // to 0. Therefore, if the item is marked as a hit and the
+            // downloaded size (ServerSize) is 0, we ignore TotalSize.
+           if (TotalSize != 0 && (!isHit || ServerSize != 0) && ServerSize != TotalSize)
               _error->Warning("Size of file %s is not what the server reported %s %llu",
                               Owner->DestFile.c_str(), LookupTag(Message,"Size","0").c_str(),TotalSize);
 
@@ -317,8 +348,7 @@ bool pkgAcquire::Worker::RunMessages()
            // Log that we are done
            if (Log != 0)
            {
-              if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true ||
-                  StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
+              if (isHit)
               {
                  /* Hide 'hits' for local only sources - we also manage to
                     hide gets */
@@ -511,10 +541,17 @@ bool pkgAcquire::Worker::QueueItem(pkgAcquire::Queue::QItem *Item)
 /* */
 bool pkgAcquire::Worker::OutFdReady()
 {
-   if (FileFd::Write(OutFd,OutQueue.c_str(),OutQueue.length()) == false)
+   int Res;
+   do
+   {
+      Res = write(OutFd,OutQueue.c_str(),OutQueue.length());
+   }
+   while (Res < 0 && errno == EINTR);
+
+   if (Res <= 0)
       return MethodFailure();
-   
-   OutQueue.clear();
+
+   OutQueue.erase(0,Res);
    if (OutQueue.empty() == true)
       OutReady = false;
    
@@ -534,7 +571,7 @@ bool pkgAcquire::Worker::InFdReady()
                                                                        /*}}}*/
 // Worker::MethodFailure - Called when the method fails                        /*{{{*/
 // ---------------------------------------------------------------------
-/* This is called when the method is belived to have failed, probably because
+/* This is called when the method is believed to have failed, probably because
    read returned -1. */
 bool pkgAcquire::Worker::MethodFailure()
 {