Retry support

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

diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc
index 7c3fdecb38204f8bab94b7a8e3396e92ff8f3546..7f0119819f5ed34e09750ec9e0f23c824d1c9f28 100644 (file)
--- a/apt-pkg/acquire-method.cc
+++ b/apt-pkg/acquire-method.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: acquire-method.cc,v 1.10 1998/12/03 07:29:16 jgg Exp $
+// $Id: acquire-method.cc,v 1.16 1999/01/27 02:48:52 jgg Exp $
 /* ######################################################################
 
    Acquire Method
@@ -14,7 +14,7 @@
 #include <apt-pkg/acquire-method.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 
 #include <stdio.h>
@@ -47,8 +47,9 @@ pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
       exit(100);
 
    SetNonBlock(STDIN_FILENO,true);
-   
+
    Queue = 0;
+   QueueBack = 0;
 }
                                                                        /*}}}*/
 // AcqMethod::Fail - A fetch has failed                                        /*{{{*/
@@ -78,6 +79,8 @@ void pkgAcqMethod::Fail(string Err,bool Transient)
       FetchItem *Tmp = Queue;
       Queue = Queue->Next;
       delete Tmp;
+      if (Tmp == QueueBack)
+        QueueBack = Queue;
    }
    else
       snprintf(S,sizeof(S),"400 URI Failure\nURI: <UNKNOWN>\n"
@@ -145,7 +148,7 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
                      TimeRFC1123(Res.LastModified).c_str());
 
    if (Res.MD5Sum.empty() == false)
-      End += snprintf(End,sizeof(S) - (End - S),"MD5Sum: %s\n",Res.MD5Sum.c_str());
+      End += snprintf(End,sizeof(S) - (End - S),"MD5-Hash: %s\n",Res.MD5Sum.c_str());
 
    if (Res.ResumePoint != 0)
       End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
@@ -168,7 +171,7 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
                         TimeRFC1123(Alt->LastModified).c_str());
       
       if (Alt->MD5Sum.empty() == false)
-        End += snprintf(End,sizeof(S) - (End - S),"Alt-MD5Sum: %s\n",
+        End += snprintf(End,sizeof(S) - (End - S),"Alt-MD5-Hash: %s\n",
                         Alt->MD5Sum.c_str());
       
       if (Alt->IMSHit == true)
@@ -183,13 +186,15 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
    FetchItem *Tmp = Queue;
    Queue = Queue->Next;
    delete Tmp;
+   if (Tmp == QueueBack)
+      QueueBack = Queue;
 }
                                                                        /*}}}*/
 // AcqMethod::MediaFail - Syncronous request for new media             /*{{{*/
 // ---------------------------------------------------------------------
 /* This sends a 403 Media Failure message to the APT and waits for it
    to be ackd */
-void pkgAcqMethod::MediaFail(string Required,string Drive)
+bool pkgAcqMethod::MediaFail(string Required,string Drive)
 {
    char S[1024];
    snprintf(S,sizeof(S),"403 Media Failure\nMedia: %s\nDrive: %s\n\n",
@@ -205,11 +210,11 @@ void pkgAcqMethod::MediaFail(string Required,string Drive)
    while (1)
    {
       if (WaitFd(STDIN_FILENO) == false)
-        exit(0);
+        return false;
       
       if (ReadMessages(STDIN_FILENO,MyMessages) == false)
-        exit(0);
-      
+        return false;
+
       string Message = MyMessages.front();
       MyMessages.erase(MyMessages.begin());
       
@@ -225,13 +230,13 @@ void pkgAcqMethod::MediaFail(string Required,string Drive)
       // Change ack
       if (Number == 603)
       {
-        while (Message.empty() == false)
+        while (MyMessages.empty() == false)
         {
            Messages.push_back(MyMessages.front());
            MyMessages.erase(MyMessages.begin());
         }
-        
-        return;
+
+        return !StringToBool(LookupTag(Message,"Fail"),false);
       }
       
       Messages.push_back(Message);
@@ -328,7 +333,9 @@ int pkgAcqMethod::Run(bool Single)
            FetchItem **I = &Queue;
            for (; *I != 0; I = &(*I)->Next);
            *I = Tmp;
-
+           if (QueueBack == 0)
+              QueueBack = Tmp;
+           
            // Notify that this item is to be fetched.
            if (Fetch(Tmp) == false)
               Fail();