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[apt.git] / apt-pkg / acquire.cc
index 99dacf5be097f163acfec1171a103d6379d5e266..1be8551f451fa9c911b29408ccca99ebc050d280 100644 (file)
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: acquire.cc,v 1.39 1999/10/16 19:53:18 jgg Exp $
+// $Id: acquire.cc,v 1.47 2001/02/20 07:03:17 jgg Exp $
 /* ######################################################################
 
    Acquire - File Acquiration
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 
+#include <apti18n.h>
+    
 #include <dirent.h>
 #include <sys/time.h>
 #include <errno.h>
+#include <sys/stat.h>
                                                                        /*}}}*/
 
 // Acquire::pkgAcquire - Constructor                                   /*{{{*/
@@ -46,6 +49,17 @@ pkgAcquire::pkgAcquire(pkgAcquireStatus *Log) : Log(Log)
       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                                    /*{{{*/
@@ -53,17 +67,17 @@ pkgAcquire::pkgAcquire(pkgAcquireStatus *Log) : Log(Log)
 /* Free our memory, clean up the queues (destroy the workers) */
 pkgAcquire::~pkgAcquire()
 {
+   Shutdown();
+   
    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()
@@ -93,6 +107,8 @@ void pkgAcquire::Add(Item *Itm)
 /* Remove an item from the acquire list. This is usually not used.. */
 void pkgAcquire::Remove(Item *Itm)
 {
+   Dequeue(Itm);
+   
    for (vector<Item *>::iterator I = Items.begin(); I < Items.end(); I++)
    {
       if (*I == Itm)
@@ -345,11 +361,11 @@ pkgAcquire::RunResult pkgAcquire::Run()
    // 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
    for (Item **I = Items.begin(); I != Items.end(); I++)
-      (*I)->Finished();
+      (*I)->Finished(); 
    
    if (_error->PendingError())
       return Failed;
@@ -384,13 +400,13 @@ bool pkgAcquire::Clean(string Dir)
 {
    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);
-      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))
@@ -421,9 +437,9 @@ bool pkgAcquire::Clean(string Dir)
 // 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;
+   double Total = 0;
    for (pkgAcquire::Item **I = ItemsBegin(); I != ItemsEnd(); I++)
       Total += (*I)->FileSize;
    return Total;
@@ -432,9 +448,9 @@ unsigned long pkgAcquire::TotalNeeded()
 // 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;
+   double Total = 0;
    for (pkgAcquire::Item **I = ItemsBegin(); I != ItemsEnd(); I++)
       if ((*I)->Local == false)
         Total += (*I)->FileSize;
@@ -444,16 +460,16 @@ unsigned long pkgAcquire::FetchNeeded()
 // 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;
+  double Total = 0;
    for (pkgAcquire::Item **I = ItemsBegin(); I != ItemsEnd(); I++)
       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()
@@ -461,7 +477,7 @@ pkgAcquire::UriIterator pkgAcquire::UriBegin()
    return UriIterator(Queues);
 }
                                                                        /*}}}*/
-// pkgAcquire::UriEnd - End iterator for the uri list                  /*{{{*/
+// Acquire::UriEnd - End iterator for the uri list                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 pkgAcquire::UriIterator pkgAcquire::UriEnd()
@@ -479,6 +495,7 @@ pkgAcquire::MethodConfig::MethodConfig()
    Pipeline = false;
    SendConfig = false;
    LocalOnly = false;
+   Removable = false;
    Next = 0;
 }
                                                                        /*}}}*/
@@ -501,7 +518,7 @@ pkgAcquire::Queue::Queue(string Name,pkgAcquire *Owner) : Name(Name),
 /* */
 pkgAcquire::Queue::~Queue()
 {
-   Shutdown();
+   Shutdown(true);
    
    while (Items != 0)
    {
@@ -560,44 +577,53 @@ bool pkgAcquire::Queue::Dequeue(Item *Owner)
                                                                        /*}}}*/
 // 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()
 {
-   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                     /*{{{*/
 // ---------------------------------------------------------------------
-/* */
-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
-   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;
@@ -682,7 +708,7 @@ void pkgAcquire::Queue::Bump()
 // AcquireStatus::pkgAcquireStatus - Constructor                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-pkgAcquireStatus::pkgAcquireStatus()
+pkgAcquireStatus::pkgAcquireStatus() : Update(true), MorePulses(false)
 {
    Start();
 }
@@ -712,7 +738,7 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner)
       // Totally ignore local items
       if ((*I)->Local == true)
         continue;
-      
+
       TotalBytes += (*I)->FileSize;
       if ((*I)->Complete == true)
         CurrentBytes += (*I)->FileSize;