##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/acquire.h"
-#endif
#include <apt-pkg/acquire.h>
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/acquire-worker.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 <stdio.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 */
-pkgAcquire::pkgAcquire(pkgAcquireStatus *Log) : Log(Log)
+pkgAcquire::pkgAcquire() : Queues(0), Workers(0), Configs(0), Log(NULL), ToFetch(0),
+ Debug(_config->FindB("Debug::pkgAcquire",false)),
+ Running(false), LockFD(-1)
{
- 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)
+ QueueMode = QueueAccess;
+}
+pkgAcquire::pkgAcquire(pkgAcquireStatus *Progress) : Queues(0), Workers(0),
+ Configs(0), Log(Progress), ToFetch(0),
+ Debug(_config->FindB("Debug::pkgAcquire",false)),
+ Running(false), LockFD(-1)
+{
+ 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;
+ 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 (CheckDirectory(_config->FindDir("Dir::State"), partialListDir) == false &&
+ CheckDirectory(listDir, partialListDir) == false)
+ return _error->Errno("Acquire", _("List directory %spartial is missing."), listDir.c_str());
+
+ if (CheckDirectory(_config->FindDir("Dir::Cache"), partialArchivesDir) == false &&
+ CheckDirectory(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::CheckDirectory - ensure that the given directory exists /*{{{*/
+// ---------------------------------------------------------------------
+/* a small wrapper around CreateDirectory to check if it exists and to
+ remove the trailing "/apt/" from the parent directory if needed */
+bool pkgAcquire::CheckDirectory(string const &Parent, string const &Path) const
+{
+ if (DirectoryExists(Path) == true)
+ return true;
+
+ size_t const len = Parent.size();
+ if (len > 5 && Parent.find("/apt/", len - 6, 5) == len - 5)
+ {
+ if (CreateDirectory(Parent.substr(0,len-5), Path) == true)
+ return true;
+ }
+ else if (CreateDirectory(Parent, Path) == true)
+ return true;
+
+ return false;
}
/*}}}*/
// Acquire::~pkgAcquire - Destructor /*{{{*/
pkgAcquire::~pkgAcquire()
{
Shutdown();
-
+
+ if (LockFD != -1)
+ close(LockFD);
+
while (Configs != 0)
{
MethodConfig *Jnk = Configs;
Item.Owner->Status = Item::StatIdle;
// Queue it into the named queue
- I->Enqueue(Item);
- ToFetch++;
-
+ if(I->Enqueue(Item))
+ ToFetch++;
+
// Some trace stuff
if (Debug == true)
{
return 0;
/* if a method uses DownloadLimit, we switch to SingleInstance mode */
- if(_config->FindI("Acquire::"+Access+"::DlLimit",0) > 0)
+ if(_config->FindI("Acquire::"+Access+"::Dl-Limit",0) > 0)
Conf->SingleInstance = true;
return Conf;
unlink(Dir->d_name);
};
- chdir(StartDir.c_str());
closedir(D);
+ if (chdir(StartDir.c_str()) != 0)
+ return _error->Errno("chdir",_("Unable to change to %s"),StartDir.c_str());
return true;
}
/*}}}*/
Total += (*I)->PartialSize;
return Total;
}
-
+ /*}}}*/
// Acquire::UriBegin - Start iterator for the uri list /*{{{*/
// ---------------------------------------------------------------------
/* */
return UriIterator(0);
}
/*}}}*/
-
// Acquire::MethodConfig::MethodConfig - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
Next = 0;
}
/*}}}*/
-
// Queue::Queue - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
// Queue::Enqueue - Queue an item to the queue /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcquire::Queue::Enqueue(ItemDesc &Item)
+bool pkgAcquire::Queue::Enqueue(ItemDesc &Item)
{
QItem **I = &Items;
- for (; *I != 0; I = &(*I)->Next);
-
+ // move to the end of the queue and check for duplicates here
+ for (; *I != 0; I = &(*I)->Next)
+ if (Item.URI == (*I)->URI)
+ {
+ Item.Owner->Status = Item::StatDone;
+ return false;
+ }
+
// Create a new item
QItem *Itm = new QItem;
*Itm = Item;
Item.Owner->QueueCounter++;
if (Items->Next == 0)
Cycle();
+ return true;
}
/*}}}*/
// Queue::Dequeue - Remove an item from the queue /*{{{*/
added other source retry to have cycle maintain a pipeline depth
on its own. */
if (Cnf->Pipeline == true)
- MaxPipeDepth = 10;
+ MaxPipeDepth = _config->FindI("Acquire::Max-Pipeline-Depth",10);
else
MaxPipeDepth = 1;
}
Cycle();
}
/*}}}*/
-
// AcquireStatus::pkgAcquireStatus - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
// Compute the CPS
struct timeval NewTime;
gettimeofday(&NewTime,0);
- if (NewTime.tv_sec - Time.tv_sec == 6 && NewTime.tv_usec > Time.tv_usec ||
+ if ((NewTime.tv_sec - Time.tv_sec == 6 && NewTime.tv_usec > Time.tv_usec) ||
NewTime.tv_sec - Time.tv_sec > 6)
{
double Delta = NewTime.tv_sec - Time.tv_sec +
projects / apt.git / blobdiff