merge from lp:~mvo/apt/mvo

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

diff --git a/apt-pkg/acquire.cc b/apt-pkg/acquire.cc
index 68ff393d05cb83d37492aa125aaaa571934aaef5..2064abc5031d8005b8af2dcae02819c5f4171f51 100644 (file)
--- a/apt-pkg/acquire.cc
+++ b/apt-pkg/acquire.cc
@@ -19,16 +19,17 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>

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

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

-    
+#include <stdio.h>
+

 #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;
                                                                        /*}}}*/
 
 using namespace std;


@@ -36,32 +37,60 @@ 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 */

-pkgAcquire::pkgAcquire(pkgAcquireStatus *Log) : Log(Log)
+pkgAcquire::pkgAcquire() : LockFD(-1), Queues(0), Workers(0), Configs(0), Log(NULL), ToFetch(0),
+                          Debug(_config->FindB("Debug::pkgAcquire",false)),
+                          Running(false)

 {
 {

-   Queues = 0;
-   Configs = 0;
-   Workers = 0;
-   ToFetch = 0;
-   Running = false;
-   
-   string Mode = _config->Find("Acquire::Queue-Mode","host");
+   string const Mode = _config->Find("Acquire::Queue-Mode","host");

    if (strcasecmp(Mode.c_str(),"host") == 0)
       QueueMode = QueueHost;
    if (strcasecmp(Mode.c_str(),"access") == 0)
    if (strcasecmp(Mode.c_str(),"host") == 0)
       QueueMode = QueueHost;
    if (strcasecmp(Mode.c_str(),"access") == 0)

-      QueueMode = QueueAccess;   
+      QueueMode = QueueAccess;
+}
+pkgAcquire::pkgAcquire(pkgAcquireStatus *Progress) :  LockFD(-1), Queues(0), Workers(0),
+                          Configs(0), Log(Progress), ToFetch(0),
+                          Debug(_config->FindB("Debug::pkgAcquire",false)),
+                          Running(false)
+{
+   string const Mode = _config->Find("Acquire::Queue-Mode","host");
+   if (strcasecmp(Mode.c_str(),"host") == 0)
+      QueueMode = QueueHost;
+   if (strcasecmp(Mode.c_str(),"access") == 0)
+      QueueMode = QueueAccess;
+   Setup(Progress, "");
+}
+                                                                       /*}}}*/
+// Acquire::Setup - Delayed Constructor                                        /*{{{*/
+// ---------------------------------------------------------------------
+/* Do everything needed to be a complete Acquire object and report the
+   success (or failure) back so the user knows that something is wrong… */
+bool pkgAcquire::Setup(pkgAcquireStatus *Progress, string const &Lock)
+{
+   Log = Progress;

 
 

-   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());
+   // check for existence and possibly create auxiliary directories
+   string const listDir = _config->FindDir("Dir::State::lists");
+   string const partialListDir = listDir + "partial/";
+   string const archivesDir = _config->FindDir("Dir::Cache::Archives");
+   string const partialArchivesDir = archivesDir + "partial/";
+
+   if (CreateAPTDirectoryIfNeeded(_config->FindDir("Dir::State"), partialListDir) == false &&
+       CreateAPTDirectoryIfNeeded(listDir, partialListDir) == false)
+      return _error->Errno("Acquire", _("List directory %spartial is missing."), listDir.c_str());
+
+   if (CreateAPTDirectoryIfNeeded(_config->FindDir("Dir::Cache"), partialArchivesDir) == false &&
+       CreateAPTDirectoryIfNeeded(archivesDir, partialArchivesDir) == false)
+      return _error->Errno("Acquire", _("Archives directory %spartial is missing."), archivesDir.c_str());
+
+   if (Lock.empty() == true || _config->FindB("Debug::NoLocking", false) == true)
+      return true;
+
+   // Lock the directory this acquire object will work in
+   LockFD = GetLock(flCombine(Lock, "lock"));
+   if (LockFD == -1)
+      return _error->Error(_("Unable to lock directory %s"), Lock.c_str());
+
+   return true;

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


@@ -70,7 +99,10 @@ pkgAcquire::pkgAcquire(pkgAcquireStatus *Log) : Log(Log)
 pkgAcquire::~pkgAcquire()
 {
    Shutdown();
 pkgAcquire::~pkgAcquire()
 {
    Shutdown();

-   
+
+   if (LockFD != -1)
+      close(LockFD);
+

    while (Configs != 0)
    {
       MethodConfig *Jnk = Configs;
    while (Configs != 0)
    {
       MethodConfig *Jnk = Configs;


@@ -453,9 +485,9 @@ 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 */

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

 {
 {

-   double Total = 0;
+   unsigned long long Total = 0;

    for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); I++)
       Total += (*I)->FileSize;
    return Total;
    for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); I++)
       Total += (*I)->FileSize;
    return Total;


@@ -464,9 +496,9 @@ double 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 */

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

 {
 {

-   double Total = 0;
+   unsigned long long Total = 0;

    for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); I++)
       if ((*I)->Local == false)
         Total += (*I)->FileSize;
    for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); I++)
       if ((*I)->Local == false)
         Total += (*I)->FileSize;


@@ -476,9 +508,9 @@ double 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 */

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

 {
 {

-  double Total = 0;
+  unsigned long long Total = 0;

    for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); I++)
       if ((*I)->Local == false)
         Total += (*I)->PartialSize;
    for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); I++)
       if ((*I)->Local == false)
         Total += (*I)->PartialSize;


@@ -618,7 +650,7 @@ bool pkgAcquire::Queue::Startup()
          added other source retry to have cycle maintain a pipeline depth
          on its own. */
       if (Cnf->Pipeline == true)
          added other source retry to have cycle maintain a pipeline depth
          on its own. */
       if (Cnf->Pipeline == true)

-        MaxPipeDepth = 1000;
+        MaxPipeDepth = _config->FindI("Acquire::Max-Pipeline-Depth",10);

       else
         MaxPipeDepth = 1;
    }
       else
         MaxPipeDepth = 1;
    }


@@ -767,7 +799,7 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner)
    }
    
    // Compute the current completion
    }
    
    // Compute the current completion

-   unsigned long ResumeSize = 0;
+   unsigned long long ResumeSize = 0;

    for (pkgAcquire::Worker *I = Owner->WorkersBegin(); I != 0;
        I = Owner->WorkerStep(I))
       if (I->CurrentItem != 0 && I->CurrentItem->Owner->Complete == false)
    for (pkgAcquire::Worker *I = Owner->WorkersBegin(); I != 0;
        I = Owner->WorkerStep(I))
       if (I->CurrentItem != 0 && I->CurrentItem->Owner->Complete == false)


@@ -806,7 +838,7 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner)
       else
         CurrentCPS = ((CurrentBytes - ResumeSize) - LastBytes)/Delta;
       LastBytes = CurrentBytes - ResumeSize;
       else
         CurrentCPS = ((CurrentBytes - ResumeSize) - LastBytes)/Delta;
       LastBytes = CurrentBytes - ResumeSize;

-      ElapsedTime = (unsigned long)Delta;
+      ElapsedTime = (unsigned long long)Delta;

       Time = NewTime;
    }
 
       Time = NewTime;
    }
 


@@ -817,8 +849,7 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner)
 
       char msg[200];
       long i = CurrentItems < TotalItems ? CurrentItems + 1 : CurrentItems;
 
       char msg[200];
       long i = CurrentItems < TotalItems ? CurrentItems + 1 : CurrentItems;

-      unsigned long ETA =
-        (unsigned long)((TotalBytes - CurrentBytes) / CurrentCPS);
+      unsigned long long const ETA = (TotalBytes - CurrentBytes) / CurrentCPS;

 
       // only show the ETA if it makes sense
       if (ETA > 0 && ETA < 172800 /* two days */ )
 
       // only show the ETA if it makes sense
       if (ETA > 0 && ETA < 172800 /* two days */ )


@@ -874,13 +905,13 @@ void pkgAcquireStatus::Stop()
    else
       CurrentCPS = FetchedBytes/Delta;
    LastBytes = CurrentBytes;
    else
       CurrentCPS = FetchedBytes/Delta;
    LastBytes = CurrentBytes;

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

 }
                                                                        /*}}}*/
 // AcquireStatus::Fetched - Called when a byte set has been fetched    /*{{{*/
 // ---------------------------------------------------------------------
 /* This is used to get accurate final transfer rate reporting. */
 }
                                                                        /*}}}*/
 // AcquireStatus::Fetched - Called when a byte set has been fetched    /*{{{*/
 // ---------------------------------------------------------------------
 /* This is used to get accurate final transfer rate reporting. */

-void pkgAcquireStatus::Fetched(unsigned long Size,unsigned long Resume)
+void pkgAcquireStatus::Fetched(unsigned long long Size,unsigned long long Resume)

 {   
    FetchedBytes += Size - Resume;
 }
 {   
    FetchedBytes += Size - Resume;
 }