* merged with mainline

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

diff --git a/apt-pkg/acquire.cc b/apt-pkg/acquire.cc
index 6ea1e3526179ab8f3b934ec28e3e3b3eeb82f020..57cf60bfe1f46bbf2851b46768bc372c394ebc53 100644 (file)
--- a/apt-pkg/acquire.cc
+++ b/apt-pkg/acquire.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: acquire.cc,v 1.37 1999/07/03 03:10:35 jgg Exp $
+// $Id: acquire.cc,v 1.50 2004/03/17 05:17:11 mdz Exp $

 /* ######################################################################
 
    Acquire - File Acquiration
 /* ######################################################################
 
    Acquire - File Acquiration


@@ -23,11 +23,19 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 

+#include <apti18n.h>
+
+#include <iostream>
+#include <sstream>
+    

 #include <dirent.h>
 #include <sys/time.h>
 #include <errno.h>
 #include <dirent.h>
 #include <sys/time.h>
 #include <errno.h>

+#include <sys/stat.h>

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

+using namespace std;
+

 // Acquire::pkgAcquire - Constructor                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* We grab some runtime state from the configuration space */
 // Acquire::pkgAcquire - Constructor                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* We grab some runtime state from the configuration space */


@@ -46,6 +54,17 @@ pkgAcquire::pkgAcquire(pkgAcquireStatus *Log) : Log(Log)
       QueueMode = QueueAccess;   
 
    Debug = _config->FindB("Debug::pkgAcquire",false);
       QueueMode = QueueAccess;   
 
    Debug = _config->FindB("Debug::pkgAcquire",false);

+   
+   // This is really a stupid place for this
+   struct stat St;
+   if (stat((_config->FindDir("Dir::State::lists") + "partial/").c_str(),&St) != 0 ||
+       S_ISDIR(St.st_mode) == 0)
+      _error->Error(_("Lists directory %spartial is missing."),
+                   _config->FindDir("Dir::State::lists").c_str());
+   if (stat((_config->FindDir("Dir::Cache::Archives") + "partial/").c_str(),&St) != 0 ||
+       S_ISDIR(St.st_mode) == 0)
+      _error->Error(_("Archive directory %spartial is missing."),
+                   _config->FindDir("Dir::Cache::Archives").c_str());

 }
                                                                        /*}}}*/
 // Acquire::~pkgAcquire        - Destructor                                    /*{{{*/
 }
                                                                        /*}}}*/
 // Acquire::~pkgAcquire        - Destructor                                    /*{{{*/


@@ -53,23 +72,27 @@ pkgAcquire::pkgAcquire(pkgAcquireStatus *Log) : Log(Log)
 /* Free our memory, clean up the queues (destroy the workers) */
 pkgAcquire::~pkgAcquire()
 {
 /* Free our memory, clean up the queues (destroy the workers) */
 pkgAcquire::~pkgAcquire()
 {

+   Shutdown();
+   

    while (Configs != 0)
    {
       MethodConfig *Jnk = Configs;
       Configs = Configs->Next;
       delete Jnk;
    }   
    while (Configs != 0)
    {
       MethodConfig *Jnk = Configs;
       Configs = Configs->Next;
       delete Jnk;
    }   

-   
-   Shutdown();

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

-// pkgAcquire::Shutdown - Clean out the acquire object                 /*{{{*/
+// Acquire::Shutdown - Clean out the acquire object                    /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 void pkgAcquire::Shutdown()
 {
    while (Items.size() != 0)
 // ---------------------------------------------------------------------
 /* */
 void pkgAcquire::Shutdown()
 {
    while (Items.size() != 0)

+   {
+      if (Items[0]->Status == Item::StatFetching)
+         Items[0]->Status = Item::StatError;

       delete Items[0];
       delete Items[0];

+   }

 
    while (Queues != 0)
    {
 
    while (Queues != 0)
    {


@@ -93,10 +116,17 @@ void pkgAcquire::Add(Item *Itm)
 /* Remove an item from the acquire list. This is usually not used.. */
 void pkgAcquire::Remove(Item *Itm)
 {
 /* Remove an item from the acquire list. This is usually not used.. */
 void pkgAcquire::Remove(Item *Itm)
 {

-   for (vector<Item *>::iterator I = Items.begin(); I < Items.end(); I++)
+   Dequeue(Itm);
+   
+   for (ItemIterator I = Items.begin(); I != Items.end();)

    {
       if (*I == Itm)
    {
       if (*I == Itm)

+      {

         Items.erase(I);
         Items.erase(I);

+        I = Items.begin();
+      }      
+      else 
+        I++;

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


@@ -236,7 +266,11 @@ pkgAcquire::MethodConfig *pkgAcquire::GetConfig(string Access)
    Worker Work(Conf);
    if (Work.Start() == false)
       return 0;
    Worker Work(Conf);
    if (Work.Start() == false)
       return 0;

-   
+
+   /* if a method uses DownloadLimit, we switch to SingleInstance mode */
+   if(_config->FindI("Acquire::"+Access+"::DlLimit",0) > 0)
+      Conf->SingleInstance = true;
+    

    return Conf;
 }
                                                                        /*}}}*/
    return Conf;
 }
                                                                        /*}}}*/


@@ -283,7 +317,7 @@ void pkgAcquire::RunFds(fd_set *RSet,fd_set *WSet)
 /* This runs the queues. It manages a select loop for all of the
    Worker tasks. The workers interact with the queues and items to
    manage the actual fetch. */
 /* This runs the queues. It manages a select loop for all of the
    Worker tasks. The workers interact with the queues and items to
    manage the actual fetch. */

-pkgAcquire::RunResult pkgAcquire::Run()
+pkgAcquire::RunResult pkgAcquire::Run(int PulseIntervall)

 {
    Running = true;
    
 {
    Running = true;
    


@@ -298,7 +332,7 @@ pkgAcquire::RunResult pkgAcquire::Run()
    // Run till all things have been acquired
    struct timeval tv;
    tv.tv_sec = 0;
    // Run till all things have been acquired
    struct timeval tv;
    tv.tv_sec = 0;

-   tv.tv_usec = 500000; 
+   tv.tv_usec = PulseIntervall; 

    while (ToFetch > 0)
    {
       fd_set RFds;
    while (ToFetch > 0)
    {
       fd_set RFds;


@@ -328,7 +362,7 @@ pkgAcquire::RunResult pkgAcquire::Run()
       // Timeout, notify the log class
       if (Res == 0 || (Log != 0 && Log->Update == true))
       {
       // Timeout, notify the log class
       if (Res == 0 || (Log != 0 && Log->Update == true))
       {

-        tv.tv_usec = 500000;
+        tv.tv_usec = PulseIntervall;

         for (Worker *I = Workers; I != 0; I = I->NextAcquire)
            I->Pulse();
         if (Log != 0 && Log->Pulse(this) == false)
         for (Worker *I = Workers; I != 0; I = I->NextAcquire)
            I->Pulse();
         if (Log != 0 && Log->Pulse(this) == false)


@@ -345,11 +379,11 @@ pkgAcquire::RunResult pkgAcquire::Run()
    // Shut down the acquire bits
    Running = false;
    for (Queue *I = Queues; I != 0; I = I->Next)
    // Shut down the acquire bits
    Running = false;
    for (Queue *I = Queues; I != 0; I = I->Next)

-      I->Shutdown();
+      I->Shutdown(false);

 
    // Shut down the items
 
    // Shut down the items

-   for (Item **I = Items.begin(); I != Items.end(); I++)
-      (*I)->Finished();
+   for (ItemIterator I = Items.begin(); I != Items.end(); I++)
+      (*I)->Finished(); 

    
    if (_error->PendingError())
       return Failed;
    
    if (_error->PendingError())
       return Failed;


@@ -384,13 +418,13 @@ bool pkgAcquire::Clean(string Dir)
 {
    DIR *D = opendir(Dir.c_str());   
    if (D == 0)
 {
    DIR *D = opendir(Dir.c_str());   
    if (D == 0)

-      return _error->Errno("opendir","Unable to read %s",Dir.c_str());
+      return _error->Errno("opendir",_("Unable to read %s"),Dir.c_str());

    
    string StartDir = SafeGetCWD();
    if (chdir(Dir.c_str()) != 0)
    {
       closedir(D);
    
    string StartDir = SafeGetCWD();
    if (chdir(Dir.c_str()) != 0)
    {
       closedir(D);

-      return _error->Errno("chdir","Unable to change to ",Dir.c_str());
+      return _error->Errno("chdir",_("Unable to change to %s"),Dir.c_str());

    }
    
    for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D))
    }
    
    for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D))


@@ -403,7 +437,7 @@ bool pkgAcquire::Clean(string Dir)
         continue;
       
       // Look in the get list
         continue;
       
       // Look in the get list

-      vector<Item *>::iterator I = Items.begin();
+      ItemCIterator I = Items.begin();

       for (; I != Items.end(); I++)
         if (flNotDir((*I)->DestFile) == Dir->d_name)
            break;
       for (; I != Items.end(); I++)
         if (flNotDir((*I)->DestFile) == Dir->d_name)
            break;


@@ -421,10 +455,10 @@ bool pkgAcquire::Clean(string Dir)
 // Acquire::TotalNeeded - Number of bytes to fetch                     /*{{{*/
 // ---------------------------------------------------------------------
 /* This is the total number of bytes needed */
 // Acquire::TotalNeeded - Number of bytes to fetch                     /*{{{*/
 // ---------------------------------------------------------------------
 /* This is the total number of bytes needed */

-unsigned long pkgAcquire::TotalNeeded()
+double pkgAcquire::TotalNeeded()

 {
 {

-   unsigned long Total = 0;
-   for (pkgAcquire::Item **I = ItemsBegin(); I != ItemsEnd(); I++)
+   double Total = 0;
+   for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); I++)

       Total += (*I)->FileSize;
    return Total;
 }
       Total += (*I)->FileSize;
    return Total;
 }


@@ -432,10 +466,10 @@ unsigned long pkgAcquire::TotalNeeded()
 // Acquire::FetchNeeded - Number of bytes needed to get                        /*{{{*/
 // ---------------------------------------------------------------------
 /* This is the number of bytes that is not local */
 // Acquire::FetchNeeded - Number of bytes needed to get                        /*{{{*/
 // ---------------------------------------------------------------------
 /* This is the number of bytes that is not local */

-unsigned long pkgAcquire::FetchNeeded()
+double pkgAcquire::FetchNeeded()

 {
 {

-   unsigned long Total = 0;
-   for (pkgAcquire::Item **I = ItemsBegin(); I != ItemsEnd(); I++)
+   double Total = 0;
+   for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); I++)

       if ((*I)->Local == false)
         Total += (*I)->FileSize;
    return Total;
       if ((*I)->Local == false)
         Total += (*I)->FileSize;
    return Total;


@@ -444,16 +478,16 @@ unsigned long pkgAcquire::FetchNeeded()
 // Acquire::PartialPresent - Number of partial bytes we already have   /*{{{*/
 // ---------------------------------------------------------------------
 /* This is the number of bytes that is not local */
 // Acquire::PartialPresent - Number of partial bytes we already have   /*{{{*/
 // ---------------------------------------------------------------------
 /* This is the number of bytes that is not local */

-unsigned long pkgAcquire::PartialPresent()
+double pkgAcquire::PartialPresent()

 {
 {

-   unsigned long Total = 0;
-   for (pkgAcquire::Item **I = ItemsBegin(); I != ItemsEnd(); I++)
+  double Total = 0;
+   for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); I++)

       if ((*I)->Local == false)
         Total += (*I)->PartialSize;
    return Total;
 }
       if ((*I)->Local == false)
         Total += (*I)->PartialSize;
    return Total;
 }

-                                                                       /*}}}*/
-// pkgAcquire::UriBegin - Start iterator for the uri list              /*{{{*/
+
+// Acquire::UriBegin - Start iterator for the uri list                 /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 pkgAcquire::UriIterator pkgAcquire::UriBegin()
 // ---------------------------------------------------------------------
 /* */
 pkgAcquire::UriIterator pkgAcquire::UriBegin()


@@ -461,7 +495,7 @@ pkgAcquire::UriIterator pkgAcquire::UriBegin()
    return UriIterator(Queues);
 }
                                                                        /*}}}*/
    return UriIterator(Queues);
 }
                                                                        /*}}}*/

-// pkgAcquire::UriEnd - End iterator for the uri list                  /*{{{*/
+// Acquire::UriEnd - End iterator for the uri list                     /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 pkgAcquire::UriIterator pkgAcquire::UriEnd()
 // ---------------------------------------------------------------------
 /* */
 pkgAcquire::UriIterator pkgAcquire::UriEnd()


@@ -479,6 +513,7 @@ pkgAcquire::MethodConfig::MethodConfig()
    Pipeline = false;
    SendConfig = false;
    LocalOnly = false;
    Pipeline = false;
    SendConfig = false;
    LocalOnly = false;

+   Removable = false;

    Next = 0;
 }
                                                                        /*}}}*/
    Next = 0;
 }
                                                                        /*}}}*/


@@ -501,7 +536,7 @@ pkgAcquire::Queue::Queue(string Name,pkgAcquire *Owner) : Name(Name),
 /* */
 pkgAcquire::Queue::~Queue()
 {
 /* */
 pkgAcquire::Queue::~Queue()
 {

-   Shutdown();
+   Shutdown(true);

    
    while (Items != 0)
    {
    
    while (Items != 0)
    {


@@ -560,44 +595,53 @@ bool pkgAcquire::Queue::Dequeue(Item *Owner)
                                                                        /*}}}*/
 // Queue::Startup - Start the worker processes                         /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // Queue::Startup - Start the worker processes                         /*{{{*/
 // ---------------------------------------------------------------------

-/* */
+/* It is possible for this to be called with a pre-existing set of
+   workers. */

 bool pkgAcquire::Queue::Startup()
 {
 bool pkgAcquire::Queue::Startup()
 {

-   Shutdown();
-   
-   URI U(Name);
-   pkgAcquire::MethodConfig *Cnf = Owner->GetConfig(U.Access);
-   if (Cnf == 0)
-      return false;
-   
-   Workers = new Worker(this,Cnf,Owner->Log);
-   Owner->Add(Workers);
-   if (Workers->Start() == false)
-      return false;
-   
-   /* When pipelining we commit 10 items. This needs to change when we
-      added other source retry to have cycle maintain a pipeline depth
-      on its own. */
-   if (Cnf->Pipeline == true)
-      MaxPipeDepth = 10;
-   else
-      MaxPipeDepth = 1;
+   if (Workers == 0)
+   {
+      URI U(Name);
+      pkgAcquire::MethodConfig *Cnf = Owner->GetConfig(U.Access);
+      if (Cnf == 0)
+        return false;
+      
+      Workers = new Worker(this,Cnf,Owner->Log);
+      Owner->Add(Workers);
+      if (Workers->Start() == false)
+        return false;
+      
+      /* When pipelining we commit 10 items. This needs to change when we
+         added other source retry to have cycle maintain a pipeline depth
+         on its own. */
+      if (Cnf->Pipeline == true)
+        MaxPipeDepth = 10;
+      else
+        MaxPipeDepth = 1;
+   }

    
    return Cycle();
 }
                                                                        /*}}}*/
 // Queue::Shutdown - Shutdown the worker processes                     /*{{{*/
 // ---------------------------------------------------------------------
    
    return Cycle();
 }
                                                                        /*}}}*/
 // Queue::Shutdown - Shutdown the worker processes                     /*{{{*/
 // ---------------------------------------------------------------------

-/* */
-bool pkgAcquire::Queue::Shutdown()
+/* If final is true then all workers are eliminated, otherwise only workers
+   that do not need cleanup are removed */
+bool pkgAcquire::Queue::Shutdown(bool Final)

 {
    // Delete all of the workers
 {
    // Delete all of the workers

-   while (Workers != 0)
+   pkgAcquire::Worker **Cur = &Workers;
+   while (*Cur != 0)

    {
    {

-      pkgAcquire::Worker *Jnk = Workers;
-      Workers = Workers->NextQueue;
-      Owner->Remove(Jnk);
-      delete Jnk;
+      pkgAcquire::Worker *Jnk = *Cur;
+      if (Final == true || Jnk->GetConf()->NeedsCleanup == false)
+      {
+        *Cur = Jnk->NextQueue;
+        Owner->Remove(Jnk);
+        delete Jnk;
+      }
+      else
+        Cur = &(*Cur)->NextQueue;      

    }
    
    return true;
    }
    
    return true;


@@ -682,7 +726,7 @@ void pkgAcquire::Queue::Bump()
 // AcquireStatus::pkgAcquireStatus - Constructor                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // AcquireStatus::pkgAcquireStatus - Constructor                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-pkgAcquireStatus::pkgAcquireStatus()
+pkgAcquireStatus::pkgAcquireStatus() : Update(true), MorePulses(false)

 {
    Start();
 }
 {
    Start();
 }


@@ -702,7 +746,7 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner)
    // Compute the total number of bytes to fetch
    unsigned int Unknown = 0;
    unsigned int Count = 0;
    // Compute the total number of bytes to fetch
    unsigned int Unknown = 0;
    unsigned int Count = 0;

-   for (pkgAcquire::Item **I = Owner->ItemsBegin(); I != Owner->ItemsEnd(); 
+   for (pkgAcquire::ItemCIterator I = Owner->ItemsBegin(); I != Owner->ItemsEnd();

        I++, Count++)
    {
       TotalItems++;
        I++, Count++)
    {
       TotalItems++;


@@ -712,7 +756,7 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner)
       // Totally ignore local items
       if ((*I)->Local == true)
         continue;
       // Totally ignore local items
       if ((*I)->Local == true)
         continue;

-      
+

       TotalBytes += (*I)->FileSize;
       if ((*I)->Complete == true)
         CurrentBytes += (*I)->FileSize;
       TotalBytes += (*I)->FileSize;
       if ((*I)->Complete == true)
         CurrentBytes += (*I)->FileSize;


@@ -740,6 +784,10 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner)
       TotalBytes = 1;
    if (Unknown == Count)
       TotalBytes = Unknown;
       TotalBytes = 1;
    if (Unknown == Count)
       TotalBytes = Unknown;

+
+   // Wha?! Is not supposed to happen.
+   if (CurrentBytes > TotalBytes)
+      CurrentBytes = TotalBytes;

    
    // Compute the CPS
    struct timeval NewTime;
    
    // Compute the CPS
    struct timeval NewTime;


@@ -760,6 +808,26 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner)
       Time = NewTime;
    }
 
       Time = NewTime;
    }
 

+   int fd = _config->FindI("APT::Status-Fd",-1);
+   if(fd > 0) 
+   {
+      ostringstream status;
+
+      char msg[200];
+      long i = CurrentItems < TotalItems ? CurrentItems + 1 : CurrentItems;
+      unsigned long ETA =
+        (unsigned long)((TotalBytes - CurrentBytes) / CurrentCPS);
+
+      snprintf(msg,sizeof(msg), _("Downloading file %li of %li (%s remaining)"), i, TotalItems, TimeToStr(ETA).c_str());
+
+      // build the status str
+      status << "dlstatus:" << i
+            << ":"  << (CurrentBytes/float(TotalBytes)*100.0) 
+            << ":" << msg 
+            << endl;
+      write(fd, status.str().c_str(), status.str().size());
+   }
+

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


@@ -789,24 +857,16 @@ void pkgAcquireStatus::Stop()
    struct timeval NewTime;
    gettimeofday(&NewTime,0);
    
    struct timeval NewTime;
    gettimeofday(&NewTime,0);
    

-   // Compute the delta time with full accuracy
-   long usdiff = NewTime.tv_usec - StartTime.tv_usec;
-   long sdiff = NewTime.tv_sec - StartTime.tv_sec;
+   double Delta = NewTime.tv_sec - StartTime.tv_sec + 
+                  (NewTime.tv_usec - StartTime.tv_usec)/1000000.0;

    
    

-   // Borrow
-   if (usdiff < 0)
-   {    
-      usdiff += 1000000;
-      sdiff--;
-   }
-

    // Compute the CPS value
    // Compute the CPS value

-   if (sdiff == 0 && usdiff == 0)
+   if (Delta < 0.01)

       CurrentCPS = 0;
    else
       CurrentCPS = 0;
    else

-      CurrentCPS = FetchedBytes/(sdiff + usdiff/1000000.0);
+      CurrentCPS = FetchedBytes/Delta;

    LastBytes = CurrentBytes;
    LastBytes = CurrentBytes;

-   ElapsedTime = sdiff;
+   ElapsedTime = (unsigned int)Delta;

 }
                                                                        /*}}}*/
 // AcquireStatus::Fetched - Called when a byte set has been fetched    /*{{{*/
 }
                                                                        /*}}}*/
 // AcquireStatus::Fetched - Called when a byte set has been fetched    /*{{{*/