Fixed typo

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

diff --git a/apt-pkg/acquire.cc b/apt-pkg/acquire.cc
index 9a546c7e204d829b9455665e6b1437ee0c454492..80624f9d3341bbc209123b8ca9b94cecc10490ff 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 1.15 1998/11/13 07:08:54 jgg Exp $
+// $Id: acquire.cc,v 1.29 1999/03/16 00:43:55 jgg Exp $

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


@@ -21,7 +21,7 @@
 #include <apt-pkg/acquire-worker.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/acquire-worker.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>

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

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


@@ -130,7 +130,8 @@ void pkgAcquire::Remove(Worker *Work)
 void pkgAcquire::Enqueue(ItemDesc &Item)
 {
    // Determine which queue to put the item in
 void pkgAcquire::Enqueue(ItemDesc &Item)
 {
    // Determine which queue to put the item in

-   string Name = QueueName(Item.URI);
+   const MethodConfig *Config;
+   string Name = QueueName(Item.URI,Config);

    if (Name.empty() == true)
       return;
 
    if (Name.empty() == true)
       return;
 


@@ -147,6 +148,9 @@ void pkgAcquire::Enqueue(ItemDesc &Item)
         I->Startup();
    }
 
         I->Startup();
    }
 

+   // See if this is a local only URI
+   if (Config->LocalOnly == true && Item.Owner->Complete == false)
+      Item.Owner->Local = true;

    Item.Owner->Status = Item::StatIdle;
    
    // Queue it into the named queue
    Item.Owner->Status = Item::StatIdle;
    
    // Queue it into the named queue


@@ -158,7 +162,7 @@ void pkgAcquire::Enqueue(ItemDesc &Item)
    {
       clog << "Fetching " << Item.URI << endl;
       clog << " to " << Item.Owner->DestFile << endl;
    {
       clog << "Fetching " << Item.URI << endl;
       clog << " to " << Item.Owner->DestFile << endl;

-      clog << " Queue is: " << QueueName(Item.URI) << endl;
+      clog << " Queue is: " << Name << endl;

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


@@ -184,11 +188,11 @@ void pkgAcquire::Dequeue(Item *Itm)
 /* The string returned depends on the configuration settings and the
    method parameters. Given something like http://foo.org/bar it can
    return http://foo.org or http */
 /* The string returned depends on the configuration settings and the
    method parameters. Given something like http://foo.org/bar it can
    return http://foo.org or http */

-string pkgAcquire::QueueName(string Uri)
+string pkgAcquire::QueueName(string Uri,MethodConfig const *&Config)

 {
    URI U(Uri);
    
 {
    URI U(Uri);
    

-   const MethodConfig *Config = GetConfig(U.Access);
+   Config = GetConfig(U.Access);

    if (Config == 0)
       return string();
    
    if (Config == 0)
       return string();
    


@@ -293,7 +297,13 @@ bool pkgAcquire::Run()
       FD_ZERO(&WFds);
       SetFds(Highest,&RFds,&WFds);
       
       FD_ZERO(&WFds);
       SetFds(Highest,&RFds,&WFds);
       

-      int Res = select(Highest+1,&RFds,&WFds,0,&tv);
+      int Res;
+      do
+      {
+        Res = select(Highest+1,&RFds,&WFds,0,&tv);
+      }
+      while (Res < 0 && errno == EINTR);
+      

       if (Res < 0)
       {
         _error->Errno("select","Select has failed");
       if (Res < 0)
       {
         _error->Errno("select","Select has failed");


@@ -386,18 +396,6 @@ bool pkgAcquire::Clean(string Dir)
    return true;   
 }
                                                                        /*}}}*/
    return true;   
 }
                                                                        /*}}}*/

-// Acquire::MethodConfig::MethodConfig - Constructor                   /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-pkgAcquire::MethodConfig::MethodConfig()
-{
-   SingleInstance = false;
-   PreScan = false;
-   Pipeline = false;
-   SendConfig = false;
-   Next = 0;
-}
-                                                                       /*}}}*/

 // 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 */


@@ -421,6 +419,35 @@ unsigned long pkgAcquire::FetchNeeded()
    return Total;
 }
                                                                        /*}}}*/
    return Total;
 }
                                                                        /*}}}*/

+// pkgAcquire::UriBegin - Start iterator for the uri list              /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgAcquire::UriIterator pkgAcquire::UriBegin()
+{
+   return UriIterator(Queues);
+}
+                                                                       /*}}}*/
+// pkgAcquire::UriEnd - End iterator for the uri list                  /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgAcquire::UriIterator pkgAcquire::UriEnd()
+{
+   return UriIterator(0);
+}
+                                                                       /*}}}*/
+
+// Acquire::MethodConfig::MethodConfig - Constructor                   /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgAcquire::MethodConfig::MethodConfig()
+{
+   SingleInstance = false;
+   Pipeline = false;
+   SendConfig = false;
+   LocalOnly = false;
+   Next = 0;
+}
+                                                                       /*}}}*/

 
 // Queue::Queue - Constructor                                          /*{{{*/
 // ---------------------------------------------------------------------
 
 // Queue::Queue - Constructor                                          /*{{{*/
 // ---------------------------------------------------------------------


@@ -431,6 +458,8 @@ pkgAcquire::Queue::Queue(string Name,pkgAcquire *Owner) : Name(Name),
    Items = 0;
    Next = 0;
    Workers = 0;
    Items = 0;
    Next = 0;
    Workers = 0;

+   MaxPipeDepth = 1;
+   PipeDepth = 0;

 }
                                                                        /*}}}*/
 // Queue::~Queue - Destructor                                          /*{{{*/
 }
                                                                        /*}}}*/
 // Queue::~Queue - Destructor                                          /*{{{*/


@@ -453,11 +482,14 @@ pkgAcquire::Queue::~Queue()
 /* */
 void pkgAcquire::Queue::Enqueue(ItemDesc &Item)
 {
 /* */
 void pkgAcquire::Queue::Enqueue(ItemDesc &Item)
 {

+   QItem **I = &Items;
+   for (; *I != 0; I = &(*I)->Next);
+   

    // Create a new item
    // Create a new item

-   QItem *I = new QItem;
-   I->Next = Items;
-   Items = I;
-   *I = Item;
+   QItem *Itm = new QItem;
+   *Itm = Item;
+   Itm->Next = 0;
+   *I = Itm;

    
    Item.Owner->QueueCounter++;   
    if (Items->Next == 0)
    
    Item.Owner->QueueCounter++;   
    if (Items->Next == 0)


@@ -466,9 +498,12 @@ void pkgAcquire::Queue::Enqueue(ItemDesc &Item)
                                                                        /*}}}*/
 // Queue::Dequeue - Remove an item from the queue                      /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // Queue::Dequeue - Remove an item from the queue                      /*{{{*/
 // ---------------------------------------------------------------------

-/* We return true if we hit something*/
+/* We return true if we hit something */

 bool pkgAcquire::Queue::Dequeue(Item *Owner)
 {
 bool pkgAcquire::Queue::Dequeue(Item *Owner)
 {

+   if (Owner->Status == pkgAcquire::Item::StatFetching)
+      return _error->Error("Tried to dequeue a fetching object");
+       

    bool Res = false;
    
    QItem **I = &Items;
    bool Res = false;
    
    QItem **I = &Items;


@@ -506,6 +541,14 @@ bool pkgAcquire::Queue::Startup()
    if (Workers->Start() == false)
       return false;
    
    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();
 }
                                                                        /*}}}*/
    return Cycle();
 }
                                                                        /*}}}*/


@@ -526,7 +569,7 @@ bool pkgAcquire::Queue::Shutdown()
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

-// Queue::Finditem - Find a URI in the item list                       /*{{{*/
+// Queue::FindItem - Find a URI in the item list                       /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 pkgAcquire::Queue::QItem *pkgAcquire::Queue::FindItem(string URI,pkgAcquire::Worker *Owner)
 // ---------------------------------------------------------------------
 /* */
 pkgAcquire::Queue::QItem *pkgAcquire::Queue::FindItem(string URI,pkgAcquire::Worker *Owner)


@@ -544,6 +587,10 @@ pkgAcquire::Queue::QItem *pkgAcquire::Queue::FindItem(string URI,pkgAcquire::Wor
    main queue too.*/
 bool pkgAcquire::Queue::ItemDone(QItem *Itm)
 {
    main queue too.*/
 bool pkgAcquire::Queue::ItemDone(QItem *Itm)
 {

+   PipeDepth--;
+   if (Itm->Owner->Status == pkgAcquire::Item::StatFetching)
+      Itm->Owner->Status = pkgAcquire::Item::StatDone;
+   

    if (Itm->Owner->QueueCounter <= 1)
       Owner->Dequeue(Itm->Owner);
    else
    if (Itm->Owner->QueueCounter <= 1)
       Owner->Dequeue(Itm->Owner);
    else


@@ -557,32 +604,44 @@ bool pkgAcquire::Queue::ItemDone(QItem *Itm)
                                                                        /*}}}*/
 // Queue::Cycle - Queue new items into the method                      /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // Queue::Cycle - Queue new items into the method                      /*{{{*/
 // ---------------------------------------------------------------------

-/* This locates a new idle item and sends it to the worker */
+/* This locates a new idle item and sends it to the worker. If pipelining
+   is enabled then it keeps the pipe full. */

 bool pkgAcquire::Queue::Cycle()
 {
    if (Items == 0 || Workers == 0)
       return true;
 
 bool pkgAcquire::Queue::Cycle()
 {
    if (Items == 0 || Workers == 0)
       return true;
 

+   if (PipeDepth < 0)
+      return _error->Error("Pipedepth failure");
+                          

    // Look for a queable item
    QItem *I = Items;
    // Look for a queable item
    QItem *I = Items;

-   for (; I != 0; I = I->Next)
-      if (I->Owner->Status == pkgAcquire::Item::StatIdle)
-        break;
-
-   // Nothing to do, queue is idle.
-   if (I == 0)
-      return true;
+   while (PipeDepth < (signed)MaxPipeDepth)
+   {
+      for (; I != 0; I = I->Next)
+        if (I->Owner->Status == pkgAcquire::Item::StatIdle)
+           break;
+      
+      // Nothing to do, queue is idle.
+      if (I == 0)
+        return true;
+      
+      I->Worker = Workers;
+      I->Owner->Status = pkgAcquire::Item::StatFetching;
+      PipeDepth++;
+      if (Workers->QueueItem(I) == false)
+        return false;
+   }

    
    

-   I->Worker = Workers;
-   I->Owner->Status = pkgAcquire::Item::StatFetching;
-   return Workers->QueueItem(I);
+   return true;

 }
                                                                        /*}}}*/
 // Queue::Bump - Fetch any pending objects if we are idle              /*{{{*/
 // ---------------------------------------------------------------------
 }
                                                                        /*}}}*/
 // Queue::Bump - Fetch any pending objects if we are idle              /*{{{*/
 // ---------------------------------------------------------------------

-/* */
+/* This is called when an item in multiple queues is dequeued */

 void pkgAcquire::Queue::Bump()
 {
 void pkgAcquire::Queue::Bump()
 {

+   Cycle();

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


@@ -603,6 +662,8 @@ void pkgAcquireStatus::Pulse(pkgAcquire *Owner)
 {
    TotalBytes = 0;
    CurrentBytes = 0;
 {
    TotalBytes = 0;
    CurrentBytes = 0;

+   TotalItems = 0;
+   CurrentItems = 0;

    
    // Compute the total number of bytes to fetch
    unsigned int Unknown = 0;
    
    // Compute the total number of bytes to fetch
    unsigned int Unknown = 0;


@@ -610,6 +671,10 @@ void pkgAcquireStatus::Pulse(pkgAcquire *Owner)
    for (pkgAcquire::Item **I = Owner->ItemsBegin(); I != Owner->ItemsEnd(); 
        I++, Count++)
    {
    for (pkgAcquire::Item **I = Owner->ItemsBegin(); I != Owner->ItemsEnd(); 
        I++, Count++)
    {

+      TotalItems++;
+      if ((*I)->Status == pkgAcquire::Item::StatDone)
+        CurrentItems++;
+      

       // Totally ignore local items
       if ((*I)->Local == true)
         continue;
       // Totally ignore local items
       if ((*I)->Local == true)
         continue;


@@ -641,21 +706,16 @@ void pkgAcquireStatus::Pulse(pkgAcquire *Owner)
    if (NewTime.tv_sec - Time.tv_sec == 6 && NewTime.tv_usec > Time.tv_usec ||
        NewTime.tv_sec - Time.tv_sec > 6)
    {    
    if (NewTime.tv_sec - Time.tv_sec == 6 && NewTime.tv_usec > Time.tv_usec ||
        NewTime.tv_sec - Time.tv_sec > 6)
    {    

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

       
       

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

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

-      CurrentCPS = (CurrentBytes - LastBytes)/(sdiff + usdiff/1000000.0);
+      if (Delta < 0.01)
+        CurrentCPS = 0;
+      else
+        CurrentCPS = (CurrentBytes - LastBytes)/Delta;

       LastBytes = CurrentBytes;
       LastBytes = CurrentBytes;

-      ElapsedTime = NewTime.tv_sec - StartTime.tv_sec;
+      ElapsedTime = (unsigned long)Delta;

       Time = NewTime;
    }
 }
       Time = NewTime;
    }
 }


@@ -673,6 +733,8 @@ void pkgAcquireStatus::Start()
    TotalBytes = 0;
    FetchedBytes = 0;
    ElapsedTime = 0;
    TotalBytes = 0;
    FetchedBytes = 0;
    ElapsedTime = 0;

+   TotalItems = 0;
+   CurrentItems = 0;

 }
                                                                        /*}}}*/
 // AcquireStatus::Stop - Finished downloading                          /*{{{*/
 }
                                                                        /*}}}*/
 // AcquireStatus::Stop - Finished downloading                          /*{{{*/


@@ -694,9 +756,12 @@ void pkgAcquireStatus::Stop()
       usdiff += 1000000;
       sdiff--;
    }
       usdiff += 1000000;
       sdiff--;
    }

-   
+

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

-   CurrentCPS = FetchedBytes/(sdiff + usdiff/1000000.0);
+   if (sdiff == 0 && usdiff == 0)
+      CurrentCPS = 0;
+   else
+      CurrentCPS = FetchedBytes/(sdiff + usdiff/1000000.0);

    LastBytes = CurrentBytes;
    ElapsedTime = sdiff;
 }
    LastBytes = CurrentBytes;
    ElapsedTime = sdiff;
 }