* merged from main

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

diff --git a/apt-pkg/acquire-worker.cc b/apt-pkg/acquire-worker.cc
index 392c8ca4765a218fd6d8f995cbbe696fe1e5a919..8ab67778be5b8322fcbb1967bb74b253144fb494 100644 (file)
--- a/apt-pkg/acquire-worker.cc
+++ b/apt-pkg/acquire-worker.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- 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 1.34 2001/05/22 04:42:54 jgg Exp $

 /* ######################################################################
 
    Acquire Worker 
 /* ######################################################################
 
    Acquire Worker 


@@ -20,23 +20,37 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>

-#include <strutl.h>
+#include <apt-pkg/strutl.h>

 
 

+#include <apti18n.h>
+
+#include <iostream>
+#include <sstream>
+#include <fstream>
+    
+#include <sys/stat.h>

 #include <unistd.h>
 #include <unistd.h>

+#include <fcntl.h>

 #include <signal.h>
 #include <signal.h>

-#include <wait.h>
+#include <stdio.h>
+#include <errno.h>

                                                                        /*}}}*/
 
                                                                        /*}}}*/
 

+using namespace std;
+

 // Worker::Worker - Constructor for Queue startup                      /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // 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;
 {
    OwnerQ = Q;
    Config = Cnf;
    Access = Cnf->Access;
    CurrentItem = 0;

-
+   TotalSize = 0;
+   CurrentSize = 0;
+   

    Construct();   
 }
                                                                        /*}}}*/
    Construct();   
 }
                                                                        /*}}}*/


@@ -49,6 +63,8 @@ pkgAcquire::Worker::Worker(MethodConfig *Cnf)
    Config = Cnf;
    Access = Cnf->Access;
    CurrentItem = 0;
    Config = Cnf;
    Access = Cnf->Access;
    CurrentItem = 0;

+   TotalSize = 0;
+   CurrentSize = 0;

    
    Construct();   
 }
    
    Construct();   
 }


@@ -78,9 +94,11 @@ pkgAcquire::Worker::~Worker()
    
    if (Process > 0)
    {
    
    if (Process > 0)
    {

-      kill(Process,SIGINT);
-      if (waitpid(Process,0,0) != Process)
-        _error->Warning("I waited but nothing was there!");
+      /* Closing of stdin is the signal to exit and die when the process
+         indicates it needs cleanup */
+      if (Config->NeedsCleanup == false)
+        kill(Process,SIGINT);
+      ExecWait(Process,Access.c_str(),true);

    }   
 }
                                                                        /*}}}*/
    }   
 }
                                                                        /*}}}*/


@@ -92,7 +110,7 @@ bool pkgAcquire::Worker::Start()
    // Get the method path
    string Method = _config->FindDir("Dir::Bin::Methods") + Access;
    if (FileExists(Method) == false)
    // 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());
+      return _error->Error(_("The method driver %s could not be found."),Method.c_str());

 
    if (Debug == true)
       clog << "Starting method '" << Method << '\'' << endl;
 
    if (Debug == true)
       clog << "Starting method '" << Method << '\'' << endl;


@@ -107,23 +125,15 @@ bool pkgAcquire::Worker::Start()
       return false;
    }
    for (int I = 0; I != 4; I++)
       return false;
    }
    for (int I = 0; I != 4; I++)

-      SetCloseExec(Pipes[0],true);
+      SetCloseExec(Pipes[I],true);

    
    // Fork off the process
    
    // Fork off the process

-   Process = fork();
-   if (Process < 0)
-   {
-      cerr << "FATAL -> Failed to fork." << endl;
-      exit(100);
-   }
-
-   // Spawn the subprocess
+   Process = ExecFork();

    if (Process == 0)
    {
       // Setup the FDs
       dup2(Pipes[1],STDOUT_FILENO);
       dup2(Pipes[2],STDIN_FILENO);
    if (Process == 0)
    {
       // Setup the FDs
       dup2(Pipes[1],STDOUT_FILENO);
       dup2(Pipes[2],STDIN_FILENO);

-      dup2(((filebuf *)clog.rdbuf())->fd(),STDERR_FILENO);

       SetCloseExec(STDOUT_FILENO,false);
       SetCloseExec(STDIN_FILENO,false);      
       SetCloseExec(STDERR_FILENO,false);
       SetCloseExec(STDOUT_FILENO,false);
       SetCloseExec(STDIN_FILENO,false);      
       SetCloseExec(STDERR_FILENO,false);


@@ -133,7 +143,7 @@ bool pkgAcquire::Worker::Start()
       Args[1] = 0;
       execv(Args[0],(char **)Args);
       cerr << "Failed to exec method " << Args[0] << endl;
       Args[1] = 0;
       execv(Args[0],(char **)Args);
       cerr << "Failed to exec method " << Args[0] << endl;

-      exit(100);
+      _exit(100);

    }
 
    // Fix up our FDs
    }
 
    // Fix up our FDs


@@ -149,7 +159,7 @@ bool pkgAcquire::Worker::Start()
    // Read the configuration data
    if (WaitFd(InFd) == false ||
        ReadMessages() == false)
    // Read the configuration data
    if (WaitFd(InFd) == false ||
        ReadMessages() == false)

-      return _error->Error("Method %s did not start correctly",Method.c_str());
+      return _error->Error(_("Method %s did not start correctly"),Method.c_str());

 
    RunMessages();
    if (OwnerQ != 0)
 
    RunMessages();
    if (OwnerQ != 0)


@@ -192,7 +202,7 @@ bool pkgAcquire::Worker::RunMessages()
       pkgAcquire::Queue::QItem *Itm = 0;
       if (URI.empty() == false)
         Itm = OwnerQ->FindItem(URI,this);
       pkgAcquire::Queue::QItem *Itm = 0;
       if (URI.empty() == false)
         Itm = OwnerQ->FindItem(URI,this);

-        
+      

       // Determine the message number and dispatch
       switch (Number)
       {
       // Determine the message number and dispatch
       switch (Number)
       {


@@ -218,13 +228,23 @@ bool pkgAcquire::Worker::RunMessages()
         {
            if (Itm == 0)
            {
         {
            if (Itm == 0)
            {

-              _error->Warning("Method gave invalid 200 URI Start message");
+              _error->Error("Method gave invalid 200 URI Start message");

               break;
            }
               break;
            }

+           

            CurrentItem = Itm;
            CurrentSize = 0;
            TotalSize = atoi(LookupTag(Message,"Size","0").c_str());
            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()));
+
+           // Display update before completion
+           if (Log != 0 && Log->MorePulses == true)
+              Log->Pulse(Itm->Owner->GetOwner());

            
            

+           if (Log != 0)
+              Log->Fetch(*Itm);
+

            break;
         }
         
            break;
         }
         


@@ -233,13 +253,41 @@ bool pkgAcquire::Worker::RunMessages()
         {
            if (Itm == 0)
            {
         {
            if (Itm == 0)
            {

-              _error->Warning("Method gave invalid 400 URI Failure message");
+              _error->Error("Method gave invalid 201 URI Done message");

               break;
            }
               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;
+           
+           // Display update before completion
+           if (Log != 0 && Log->MorePulses == true)
+              Log->Pulse(Owner->GetOwner());
+           

            OwnerQ->ItemDone(Itm);
            OwnerQ->ItemDone(Itm);

+           if (TotalSize != 0 &&
+               (unsigned)atoi(LookupTag(Message,"Size","0").c_str()) != TotalSize)
+              _error->Warning("Bizarre Error - File size is not what the server reported %s %lu",
+                              LookupTag(Message,"Size","0").c_str(),TotalSize);
+
+           Owner->Done(Message,atoi(LookupTag(Message,"Size","0").c_str()),
+                       LookupTag(Message,"MD5-Hash"),Config);
+           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;
         }       
         
            break;
         }       
         


@@ -248,18 +296,41 @@ bool pkgAcquire::Worker::RunMessages()
         {
            if (Itm == 0)
            {
         {
            if (Itm == 0)
            {

-              _error->Warning("Method gave invalid 400 URI Failure message");
+              _error->Error("Method gave invalid 400 URI Failure message");

               break;
            }
 
               break;
            }
 

-           Itm->Owner->Failed(Message);
+           // Display update before completion
+           if (Log != 0 && Log->MorePulses == true)
+              Log->Pulse(Itm->Owner->GetOwner());
+           
+           pkgAcquire::Item *Owner = Itm->Owner;
+           pkgAcquire::ItemDesc Desc = *Itm;

            OwnerQ->ItemDone(Itm);
            OwnerQ->ItemDone(Itm);

+
+           // set some status
+           if(LookupTag(Message,"FailReason") == "Timeout" || 
+              LookupTag(Message,"FailReason") == "TmpResolveFailure" ||
+              LookupTag(Message,"FailReason") == "ConnectionRefused") 
+              Owner->Status = pkgAcquire::Item::StatTransientNetworkError;
+
+           Owner->Failed(Message,Config);
+           ItemDone();
+
+           if (Log != 0)
+              Log->Fail(Desc);
+

            break;
         }       
         
         // 401 General Failure
         case 401:
            break;
         }       
         
         // 401 General Failure
         case 401:

-        _error->Error("Method %s General failure: %s",LookupTag(Message,"Message").c_str());
+        _error->Error("Method %s General failure: %s",Access.c_str(),LookupTag(Message,"Message").c_str());
+        break;
+        
+        // 403 Media Change
+        case 403:
+        MediaChange(Message); 

         break;
       }      
    }
         break;
       }      
    }


@@ -277,20 +348,69 @@ bool pkgAcquire::Worker::Capabilities(string Message)
    
    Config->Version = LookupTag(Message,"Version");
    Config->SingleInstance = StringToBool(LookupTag(Message,"Single-Instance"),false);
    
    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->Pipeline = StringToBool(LookupTag(Message,"Pipeline"),false);
    Config->SendConfig = StringToBool(LookupTag(Message,"Send-Config"),false);

+   Config->LocalOnly = StringToBool(LookupTag(Message,"Local-Only"),false);
+   Config->NeedsCleanup = StringToBool(LookupTag(Message,"Needs-Cleanup"),false);
+   Config->Removable = StringToBool(LookupTag(Message,"Removable"),false);

 
    // Some debug text
    if (Debug == true)
    {
       clog << "Configured access method " << Config->Access << endl;
 
    // Some debug text
    if (Debug == true)
    {
       clog << "Configured access method " << Config->Access << endl;

-      clog << "Version:" << Config->Version << " SingleInstance:" <<
-        Config->SingleInstance << " PreScan: " << Config->PreScan <<
-        " Pipeline:" << Config->Pipeline << " SendConfig:" << 
-        Config->SendConfig << endl;
+      clog << "Version:" << Config->Version <<
+             " SingleInstance:" << Config->SingleInstance <<
+             " Pipeline:" << Config->Pipeline << 
+             " SendConfig:" << Config->SendConfig << 
+             " LocalOnly: " << Config->LocalOnly << 
+             " NeedsCleanup: " << Config->NeedsCleanup << 
+             " Removable: " << Config->Removable << endl;

    }
    
    }
    

+   return true;
+}
+                                                                       /*}}}*/
+// Worker::MediaChange - Request a media change                                /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool pkgAcquire::Worker::MediaChange(string Message)
+{
+   int status_fd = _config->FindI("APT::Status-Fd",-1);
+   if(status_fd > 0) 
+   {
+      string Media = LookupTag(Message,"Media");
+      string Drive = LookupTag(Message,"Drive"); 
+      ostringstream msg,status;
+      ioprintf(msg,_("Please insert the disc labeled: "
+                    "'%s' "
+                    "in the drive '%s' and press enter."),
+              Media.c_str(),Drive.c_str());
+      status << "media-change: "  // message
+            << Media  << ":"     // media
+            << Drive  << ":"     // drive
+            << msg.str()         // l10n message
+            << endl;
+      write(status_fd, status.str().c_str(), status.str().size());
+   }
+
+   if (Log == 0 || Log->MediaChange(LookupTag(Message,"Media"),
+                                   LookupTag(Message,"Drive")) == false)
+   {
+      char S[300];
+      snprintf(S,sizeof(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];
+   snprintf(S,sizeof(S),"603 Media Changed\n\n");
+   if (Debug == true)
+      clog << " -> " << Access << ':' << QuoteString(S,"\n") << endl;
+   OutQueue += S;
+   OutReady = true;

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -315,7 +435,7 @@ bool pkgAcquire::Worker::SendConfiguration()
    {
       if (Top->Value.empty() == false)
       {
    {
       if (Top->Value.empty() == false)
       {

-        string Line = "Config-Item: " + Top->FullTag() + "=";
+        string Line = "Config-Item: " + QuoteString(Top->FullTag(),"=\"\n") + "=";

         Line += QuoteString(Top->Value,"\n") + '\n';
         Message += Line;
       }
         Line += QuoteString(Top->Value,"\n") + '\n';
         Message += Line;
       }


@@ -369,7 +489,13 @@ bool pkgAcquire::Worker::QueueItem(pkgAcquire::Queue::QItem *Item)
 /* */
 bool pkgAcquire::Worker::OutFdReady()
 {
 /* */
 bool pkgAcquire::Worker::OutFdReady()
 {

-   int Res = write(OutFd,OutQueue.begin(),OutQueue.length());
+   int Res;
+   do
+   {
+      Res = write(OutFd,OutQueue.c_str(),OutQueue.length());
+   }
+   while (Res < 0 && errno == EINTR);
+   

    if (Res <= 0)
       return MethodFailure();
 
    if (Res <= 0)
       return MethodFailure();
 


@@ -401,9 +527,9 @@ bool pkgAcquire::Worker::InFdReady()
    read returned -1. */
 bool pkgAcquire::Worker::MethodFailure()
 {
    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);
    Process = -1;
    close(InFd);
    close(OutFd);


@@ -417,35 +543,32 @@ bool pkgAcquire::Worker::MethodFailure()
    return false;
 }
                                                                        /*}}}*/
    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();
-   
-   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;
-   }
+   if (CurrentItem == 0)
+      return;
+ 
+   struct stat Buf;
+   if (stat(CurrentItem->Owner->DestFile.c_str(),&Buf) != 0)
+      return;
+   CurrentSize = Buf.st_size;

    
    

-   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();

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/