Join with aliencode

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

diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc
index 8b1de6fb32daf49801ae9ca964fe391b221b1052..3b905f4e9c4f214f63bcc49a87b972a2a191a961 100644 (file)
--- a/apt-pkg/acquire-method.cc
+++ b/apt-pkg/acquire-method.cc
@@ -1,10 +1,17 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: acquire-method.cc,v 1.14 1998/12/05 04:19:01 jgg Exp $
+// $Id: acquire-method.cc,v 1.25 2001/02/20 07:03:17 jgg Exp $
 /* ######################################################################
 
    Acquire Method
 
+   This is a skeleton class that implements most of the functionality
+   of a method and some useful functions to make method implementation
+   simpler. The methods all derive this and specialize it. The most
+   complex implementation is the http method which needs to provide
+   pipelining, it runs the message engine at the same time it is 
+   downloading files..
+   
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
@@ -14,10 +21,12 @@
 #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 <stdarg.h>
 #include <stdio.h>
+#include <unistd.h>
                                                                        /*}}}*/
 
 // AcqMethod::pkgAcqMethod - Constructor                               /*{{{*/
@@ -41,6 +50,12 @@ pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
 
    if ((Flags & LocalOnly) == LocalOnly)
       strcat(End,"Local-Only: true\n");
+
+   if ((Flags & NeedsCleanup) == NeedsCleanup)
+      strcat(End,"Needs-Cleanup: true\n");
+
+   if ((Flags & Removable) == Removable)
+      strcat(End,"Removable: true\n");
    strcat(End,"\n");
 
    if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
@@ -68,12 +83,22 @@ void pkgAcqMethod::Fail(bool Transient)
 // ---------------------------------------------------------------------
 /* */
 void pkgAcqMethod::Fail(string Err,bool Transient)
-{   
+{
+   // Strip out junk from the error messages
+   for (char *I = Err.begin(); I != Err.end(); I++)
+   {
+      if (*I == '\r') 
+        *I = ' ';
+      if (*I == '\n') 
+        *I = ' ';
+   }
+   
    char S[1024];
    if (Queue != 0)
    {
-      snprintf(S,sizeof(S),"400 URI Failure\nURI: %s\n"
-              "Message: %s\n",Queue->Uri.c_str(),Err.c_str());
+      snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: %s\n"
+              "Message: %s %s\n",Queue->Uri.c_str(),Err.c_str(),
+              FailExtra.c_str());
 
       // Dequeue
       FetchItem *Tmp = Queue;
@@ -83,8 +108,9 @@ void pkgAcqMethod::Fail(string Err,bool Transient)
         QueueBack = Queue;
    }
    else
-      snprintf(S,sizeof(S),"400 URI Failure\nURI: <UNKNOWN>\n"
-              "Message: %s\n",Err.c_str());
+      snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: <UNKNOWN>\n"
+              "Message: %s %s\n",Err.c_str(),
+              FailExtra.c_str());
       
    // Set the transient flag 
    if (Transient == true)
@@ -109,14 +135,14 @@ void pkgAcqMethod::URIStart(FetchResult &Res)
    
    End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",Queue->Uri.c_str());
    if (Res.Size != 0)
-      End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
+      End += snprintf(End,sizeof(S)-4 - (End - S),"Size: %lu\n",Res.Size);
    
    if (Res.LastModified != 0)
-      End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
+      End += snprintf(End,sizeof(S)-4 - (End - S),"Last-Modified: %s\n",
                      TimeRFC1123(Res.LastModified).c_str());
    
    if (Res.ResumePoint != 0)
-      End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n",
+      End += snprintf(End,sizeof(S)-4 - (End - S),"Resume-Point: %lu\n",
                      Res.ResumePoint);
       
    strcat(End,"\n");
@@ -138,20 +164,20 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
    End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",Queue->Uri.c_str());
 
    if (Res.Filename.empty() == false)
-      End += snprintf(End,sizeof(S) - (End - S),"Filename: %s\n",Res.Filename.c_str());
+      End += snprintf(End,sizeof(S)-50 - (End - S),"Filename: %s\n",Res.Filename.c_str());
    
    if (Res.Size != 0)
-      End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size);
+      End += snprintf(End,sizeof(S)-50 - (End - S),"Size: %lu\n",Res.Size);
    
    if (Res.LastModified != 0)
-      End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n",
+      End += snprintf(End,sizeof(S)-50 - (End - S),"Last-Modified: %s\n",
                      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)-50 - (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",
+      End += snprintf(End,sizeof(S)-50 - (End - S),"Resume-Point: %lu\n",
                      Res.ResumePoint);
 
    if (Res.IMSHit == true)
@@ -161,17 +187,17 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
    if (Alt != 0)
    {
       if (Alt->Filename.empty() == false)
-        End += snprintf(End,sizeof(S) - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str());
+        End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str());
       
       if (Alt->Size != 0)
-        End += snprintf(End,sizeof(S) - (End - S),"Alt-Size: %u\n",Alt->Size);
+        End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Size: %lu\n",Alt->Size);
       
       if (Alt->LastModified != 0)
-        End += snprintf(End,sizeof(S) - (End - S),"Alt-Last-Modified: %s\n",
+        End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Last-Modified: %s\n",
                         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)-50 - (End - S),"Alt-MD5-Hash: %s\n",
                         Alt->MD5Sum.c_str());
       
       if (Alt->IMSHit == true)
@@ -270,7 +296,8 @@ bool pkgAcqMethod::Configuration(string Message)
       if (End == Equals)
         return false;
       
-      Cnf.Set(string(I,Equals-I),string(Equals+1,End-Equals-1));
+      Cnf.Set(DeQuoteString(string(I,Equals-I)),
+             DeQuoteString(string(Equals+1,End-Equals-1)));
       I = End;
    }
    
@@ -279,7 +306,9 @@ bool pkgAcqMethod::Configuration(string Message)
                                                                        /*}}}*/
 // AcqMethod::Run - Run the message engine                             /*{{{*/
 // ---------------------------------------------------------------------
-/* */
+/* Fetch any messages and execute them. In single mode it returns 1 if
+   there are no more available messages - any other result is a 
+   fatal failure code! */
 int pkgAcqMethod::Run(bool Single)
 {
    while (1)
@@ -289,15 +318,14 @@ int pkgAcqMethod::Run(bool Single)
       {
         if (Single == false)
            if (WaitFd(STDIN_FILENO) == false)
-              return 0;
-      
+              break;
         if (ReadMessages(STDIN_FILENO,Messages) == false)
-           return 0;
+           break;
       }
             
       // Single mode exits if the message queue is empty
       if (Single == true && Messages.empty() == true)
-        return 0;
+        return -1;
       
       string Message = Messages.front();
       Messages.erase(Messages.begin());
@@ -312,7 +340,7 @@ int pkgAcqMethod::Run(bool Single)
       }
 
       switch (Number)
-      {
+      {         
         case 601:
         if (Configuration(Message) == false)
            return 100;
@@ -345,6 +373,7 @@ int pkgAcqMethod::Run(bool Single)
       }      
    }
 
+   Exit();
    return 0;
 }
                                                                        /*}}}*/
@@ -362,10 +391,10 @@ void pkgAcqMethod::Log(const char *Format,...)
 
    // sprintf the description
    char S[1024];
-   unsigned int Len = snprintf(S,sizeof(S),"101 Log\nURI: %s\n"
+   unsigned int Len = snprintf(S,sizeof(S)-4,"101 Log\nURI: %s\n"
                               "Message: ",CurrentURI.c_str());
 
-   vsnprintf(S+Len,sizeof(S)-Len,Format,args);
+   vsnprintf(S+Len,sizeof(S)-4-Len,Format,args);
    strcat(S,"\n\n");
    
    if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
@@ -386,10 +415,10 @@ void pkgAcqMethod::Status(const char *Format,...)
 
    // sprintf the description
    char S[1024];
-   unsigned int Len = snprintf(S,sizeof(S),"102 Status\nURI: %s\n"
+   unsigned int Len = snprintf(S,sizeof(S)-4,"102 Status\nURI: %s\n"
                               "Message: ",CurrentURI.c_str());
 
-   vsnprintf(S+Len,sizeof(S)-Len,Format,args);
+   vsnprintf(S+Len,sizeof(S)-4-Len,Format,args);
    strcat(S,"\n\n");
    
    if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
@@ -405,4 +434,3 @@ pkgAcqMethod::FetchResult::FetchResult() : LastModified(0),
 {
 }
                                                                        /*}}}*/
-