]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/acquire-worker.cc
Another error message for failed updates
[apt.git] / apt-pkg / acquire-worker.cc
index 392c8ca4765a218fd6d8f995cbbe696fe1e5a919..972ab2455027de38afa06f40dad1f11fcaa3ac02 100644 (file)
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: acquire-worker.cc,v 1.7 1998/10/26 07:11:45 jgg Exp $
+// $Id: acquire-worker.cc,v 1.27 1999/08/28 01:49:56 jgg Exp $
 /* ######################################################################
 
    Acquire Worker 
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
 
+#include <sys/stat.h>
 #include <unistd.h>
+#include <fcntl.h>
 #include <signal.h>
-#include <wait.h>
+#include <stdio.h>
+#include <errno.h>
                                                                        /*}}}*/
 
 // Worker::Worker - Constructor for Queue startup                      /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-pkgAcquire::Worker::Worker(Queue *Q,MethodConfig *Cnf)
+pkgAcquire::Worker::Worker(Queue *Q,MethodConfig *Cnf,
+                          pkgAcquireStatus *Log) : Log(Log)
 {
    OwnerQ = Q;
    Config = Cnf;
    Access = Cnf->Access;
    CurrentItem = 0;
-
+   TotalSize = 0;
+   CurrentSize = 0;
+   
    Construct();   
 }
                                                                        /*}}}*/
@@ -49,6 +55,8 @@ pkgAcquire::Worker::Worker(MethodConfig *Cnf)
    Config = Cnf;
    Access = Cnf->Access;
    CurrentItem = 0;
+   TotalSize = 0;
+   CurrentSize = 0;
    
    Construct();   
 }
@@ -79,8 +87,7 @@ pkgAcquire::Worker::~Worker()
    if (Process > 0)
    {
       kill(Process,SIGINT);
-      if (waitpid(Process,0,0) != Process)
-        _error->Warning("I waited but nothing was there!");
+      ExecWait(Process,Access.c_str(),true);
    }   
 }
                                                                        /*}}}*/
@@ -110,12 +117,7 @@ bool pkgAcquire::Worker::Start()
       SetCloseExec(Pipes[0],true);
    
    // Fork off the process
-   Process = fork();
-   if (Process < 0)
-   {
-      cerr << "FATAL -> Failed to fork." << endl;
-      exit(100);
-   }
+   Process = ExecFork();
 
    // Spawn the subprocess
    if (Process == 0)
@@ -133,7 +135,7 @@ bool pkgAcquire::Worker::Start()
       Args[1] = 0;
       execv(Args[0],(char **)Args);
       cerr << "Failed to exec method " << Args[0] << endl;
-      exit(100);
+      _exit(100);
    }
 
    // Fix up our FDs
@@ -192,7 +194,7 @@ bool pkgAcquire::Worker::RunMessages()
       pkgAcquire::Queue::QItem *Itm = 0;
       if (URI.empty() == false)
         Itm = OwnerQ->FindItem(URI,this);
-        
+      
       // Determine the message number and dispatch
       switch (Number)
       {
@@ -218,13 +220,19 @@ bool pkgAcquire::Worker::RunMessages()
         {
            if (Itm == 0)
            {
-              _error->Warning("Method gave invalid 200 URI Start message");
+              _error->Error("Method gave invalid 200 URI Start message");
               break;
            }
+           
            CurrentItem = Itm;
            CurrentSize = 0;
            TotalSize = atoi(LookupTag(Message,"Size","0").c_str());
-           
+           ResumePoint = atoi(LookupTag(Message,"Resume-Point","0").c_str());
+           Itm->Owner->Start(Message,atoi(LookupTag(Message,"Size","0").c_str()));
+
+           if (Log != 0)
+              Log->Fetch(*Itm);
+
            break;
         }
         
@@ -233,13 +241,36 @@ bool pkgAcquire::Worker::RunMessages()
         {
            if (Itm == 0)
            {
-              _error->Warning("Method gave invalid 400 URI Failure message");
+              _error->Error("Method gave invalid 201 URI Done message");
               break;
            }
 
-           Itm->Owner->Done(Message,atoi(LookupTag(Message,"Size","0").c_str()),
-                                         LookupTag(Message,"MD5-Hash"));
+           pkgAcquire::Item *Owner = Itm->Owner;
+           pkgAcquire::ItemDesc Desc = *Itm;
            OwnerQ->ItemDone(Itm);
+           if (TotalSize != 0 && 
+               (unsigned)atoi(LookupTag(Message,"Size","0").c_str()) != TotalSize)
+              _error->Warning("Bizzar Error - File size is not what the server reported %s %u",
+                              LookupTag(Message,"Size","0").c_str(),TotalSize);
+
+           Owner->Done(Message,atoi(LookupTag(Message,"Size","0").c_str()),
+                       LookupTag(Message,"MD5-Hash"));
+           ItemDone();
+           
+           // Log that we are done
+           if (Log != 0)
+           {
+              if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true ||
+                  StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
+              {
+                 /* Hide 'hits' for local only sources - we also manage to
+                    hide gets */
+                 if (Config->LocalOnly == false)
+                    Log->IMSHit(Desc);
+              }               
+              else
+                 Log->Done(Desc);
+           }
            break;
         }       
         
@@ -248,12 +279,19 @@ bool pkgAcquire::Worker::RunMessages()
         {
            if (Itm == 0)
            {
-              _error->Warning("Method gave invalid 400 URI Failure message");
+              _error->Error("Method gave invalid 400 URI Failure message");
               break;
            }
 
-           Itm->Owner->Failed(Message);
+           pkgAcquire::Item *Owner = Itm->Owner;
+           pkgAcquire::ItemDesc Desc = *Itm;
            OwnerQ->ItemDone(Itm);
+           Owner->Failed(Message,Config);
+           ItemDone();
+
+           if (Log != 0)
+              Log->Fail(Desc);
+
            break;
         }       
         
@@ -261,6 +299,11 @@ bool pkgAcquire::Worker::RunMessages()
         case 401:
         _error->Error("Method %s General failure: %s",LookupTag(Message,"Message").c_str());
         break;
+        
+        // 403 Media Change
+        case 403:
+        MediaChange(Message); 
+        break;
       }      
    }
    return true;
@@ -277,20 +320,46 @@ bool pkgAcquire::Worker::Capabilities(string Message)
    
    Config->Version = LookupTag(Message,"Version");
    Config->SingleInstance = StringToBool(LookupTag(Message,"Single-Instance"),false);
-   Config->PreScan = StringToBool(LookupTag(Message,"Pre-Scan"),false);
    Config->Pipeline = StringToBool(LookupTag(Message,"Pipeline"),false);
    Config->SendConfig = StringToBool(LookupTag(Message,"Send-Config"),false);
+   Config->LocalOnly = StringToBool(LookupTag(Message,"Local-Only"),false);
 
    // Some debug text
    if (Debug == true)
    {
       clog << "Configured access method " << Config->Access << endl;
       clog << "Version:" << Config->Version << " SingleInstance:" <<
-        Config->SingleInstance << " PreScan: " << Config->PreScan <<
+        Config->SingleInstance << 
         " Pipeline:" << Config->Pipeline << " SendConfig:" << 
         Config->SendConfig << endl;
    }
    
+   return true;
+}
+                                                                       /*}}}*/
+// Worker::MediaChange - Request a media change                                /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool pkgAcquire::Worker::MediaChange(string Message)
+{
+   if (Log == 0 || Log->MediaChange(LookupTag(Message,"Media"),
+                                   LookupTag(Message,"Drive")) == false)
+   {
+      char S[300];
+      sprintf(S,"603 Media Changed\nFailed: true\n\n");
+      if (Debug == true)
+        clog << " -> " << Access << ':' << QuoteString(S,"\n") << endl;
+      OutQueue += S;
+      OutReady = true;
+      return true;
+   }
+
+   char S[300];
+   sprintf(S,"603 Media Changed\n\n");
+   if (Debug == true)
+      clog << " -> " << Access << ':' << QuoteString(S,"\n") << endl;
+   OutQueue += S;
+   OutReady = true;
    return true;
 }
                                                                        /*}}}*/
@@ -369,7 +438,13 @@ bool pkgAcquire::Worker::QueueItem(pkgAcquire::Queue::QItem *Item)
 /* */
 bool pkgAcquire::Worker::OutFdReady()
 {
-   int Res = write(OutFd,OutQueue.begin(),OutQueue.length());
+   int Res;
+   do
+   {
+      Res = write(OutFd,OutQueue.begin(),OutQueue.length());
+   }
+   while (Res < 0 && errno == EINTR);
+   
    if (Res <= 0)
       return MethodFailure();
 
@@ -401,9 +476,9 @@ bool pkgAcquire::Worker::InFdReady()
    read returned -1. */
 bool pkgAcquire::Worker::MethodFailure()
 {
-   cerr << "Method " << Access << " has died unexpectedly!" << endl;
-   if (waitpid(Process,0,0) != Process)
-      _error->Warning("I waited but nothing was there!");
+   _error->Error("Method %s has died unexpectedly!",Access.c_str());
+   
+   ExecWait(Process,Access.c_str(),true);
    Process = -1;
    close(InFd);
    close(OutFd);
@@ -417,35 +492,32 @@ bool pkgAcquire::Worker::MethodFailure()
    return false;
 }
                                                                        /*}}}*/
-
-// InjectConfiguration - Configuration aid for methods                 /*{{{*/
+// Worker::Pulse - Called periodically                                         /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool pkgInjectConfiguration(string &Message,Configuration &Cnf)
+void pkgAcquire::Worker::Pulse()
 {
-   const char *I = Message.begin();
+   if (CurrentItem == 0)
+      return;
+   struct stat Buf;
+   if (stat(CurrentItem->Owner->DestFile.c_str(),&Buf) != 0)
+      return;
+   CurrentSize = Buf.st_size;
    
-   unsigned int Length = strlen("Config-Item");
-   for (; I + Length < Message.end(); I++)
-   {
-      // Not a config item
-      if (I[Length] != ':' || stringcasecmp(I,I+Length,"Config-Item") != 0)
-        continue;
-      
-      I += Length + 1;
-      
-      for (; I < Message.end() && *I == ' '; I++);
-      const char *Equals = I;
-      for (; Equals < Message.end() && *Equals != '='; Equals++);
-      const char *End = Equals;
-      for (; End < Message.end() && *End != '\n'; End++);
-      if (End == Equals)
-        return false;
-      
-      Cnf.Set(string(I,Equals-I),string(Equals+1,End-Equals-1));
-      I = End;
-   }
-   
-   return true;
+   // Hmm? Should not happen...
+   if (CurrentSize > TotalSize && TotalSize != 0)
+      TotalSize = CurrentSize;
+}
+                                                                       /*}}}*/
+// Worker::ItemDone - Called when the current item is finished         /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcquire::Worker::ItemDone()
+{
+   CurrentItem = 0;
+   CurrentSize = 0;
+   TotalSize = 0;
+   Status = string();
 }
                                                                        /*}}}*/