// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire.cc,v 1.40 1999/10/18 00:37:35 jgg Exp $
+// $Id: acquire.cc,v 1.50 2004/03/17 05:17:11 mdz Exp $
/* ######################################################################
Acquire - File Acquiration
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/acquire.h"
-#endif
+#include <config.h>
+
#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 <iostream>
+#include <sstream>
+#include <stdio.h>
#include <dirent.h>
#include <sys/time.h>
#include <errno.h>
+
+#include <apti18n.h>
/*}}}*/
+using namespace std;
+
// 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)
- 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;
+
+ // 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());
- Debug = _config->FindB("Debug::pkgAcquire",false);
+ 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 /*{{{*/
/* Free our memory, clean up the queues (destroy the workers) */
pkgAcquire::~pkgAcquire()
{
+ Shutdown();
+
+ if (LockFD != -1)
+ close(LockFD);
+
while (Configs != 0)
{
MethodConfig *Jnk = Configs;
Configs = Configs->Next;
delete Jnk;
}
-
- Shutdown();
}
/*}}}*/
// Acquire::Shutdown - Clean out the acquire object /*{{{*/
/* */
void pkgAcquire::Shutdown()
{
- while (Items.size() != 0)
+ while (Items.empty() == false)
+ {
+ if (Items[0]->Status == Item::StatFetching)
+ Items[0]->Status = Item::StatError;
delete Items[0];
+ }
while (Queues != 0)
{
/* 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)
+ {
Items.erase(I);
+ I = Items.begin();
+ }
+ else
+ ++I;
}
}
/*}}}*/
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)
{
{
Queue *I = Queues;
bool Res = false;
- for (; I != 0; I = I->Next)
- Res |= I->Dequeue(Itm);
-
if (Debug == true)
clog << "Dequeuing " << Itm->DestFile << endl;
+
+ for (; I != 0; I = I->Next)
+ {
+ if (I->Dequeue(Itm))
+ {
+ Res = true;
+ if (Debug == true)
+ clog << "Dequeued from " << I->Name << endl;
+ }
+ }
+
if (Res == true)
ToFetch--;
}
/* Single-Instance methods get exactly one queue per URI. This is
also used for the Access queue method */
if (Config->SingleInstance == true || QueueMode == QueueAccess)
- return U.Access;
+ return U.Access;
+
+ string AccessSchema = U.Access + ':',
+ FullQueueName = AccessSchema + U.Host;
+ unsigned int Instances = 0, SchemaLength = AccessSchema.length();
- return U.Access + ':' + U.Host;
+ Queue *I = Queues;
+ for (; I != 0; I = I->Next) {
+ // if the queue already exists, re-use it
+ if (I->Name == FullQueueName)
+ return FullQueueName;
+
+ if (I->Name.compare(0, SchemaLength, AccessSchema) == 0)
+ Instances++;
+ }
+
+ if (Debug) {
+ clog << "Found " << Instances << " instances of " << U.Access << endl;
+ }
+
+ if (Instances >= (unsigned int)_config->FindI("Acquire::QueueHost::Limit",10))
+ return U.Access;
+
+ return FullQueueName;
}
/*}}}*/
// Acquire::GetConfig - Fetch the configuration information /*{{{*/
Worker Work(Conf);
if (Work.Start() == false)
return 0;
-
+
+ /* if a method uses DownloadLimit, we switch to SingleInstance mode */
+ if(_config->FindI("Acquire::"+Access+"::Dl-Limit",0) > 0)
+ Conf->SingleInstance = true;
+
return Conf;
}
/*}}}*/
/* 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;
// 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;
// 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)
I->Shutdown(false);
// Shut down the items
- for (Item **I = Items.begin(); I != Items.end(); I++)
+ for (ItemIterator I = Items.begin(); I != Items.end(); ++I)
(*I)->Finished();
if (_error->PendingError())
if it is part of the download set. */
bool pkgAcquire::Clean(string Dir)
{
+ // non-existing directories are by definition clean…
+ if (DirectoryExists(Dir) == false)
+ return true;
+
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))
continue;
// Look in the get list
- vector<Item *>::iterator I = Items.begin();
- for (; I != Items.end(); I++)
+ ItemCIterator I = Items.begin();
+ for (; I != Items.end(); ++I)
if (flNotDir((*I)->DestFile) == Dir->d_name)
break;
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;
}
/*}}}*/
// Acquire::TotalNeeded - Number of bytes to fetch /*{{{*/
// ---------------------------------------------------------------------
/* This is the total number of bytes needed */
-unsigned long pkgAcquire::TotalNeeded()
+unsigned long long pkgAcquire::TotalNeeded()
{
- unsigned long Total = 0;
- for (pkgAcquire::Item **I = ItemsBegin(); I != ItemsEnd(); I++)
+ unsigned long long Total = 0;
+ for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); ++I)
Total += (*I)->FileSize;
return Total;
}
// Acquire::FetchNeeded - Number of bytes needed to get /*{{{*/
// ---------------------------------------------------------------------
/* This is the number of bytes that is not local */
-unsigned long pkgAcquire::FetchNeeded()
+unsigned long long pkgAcquire::FetchNeeded()
{
- unsigned long Total = 0;
- for (pkgAcquire::Item **I = ItemsBegin(); I != ItemsEnd(); I++)
+ unsigned long long Total = 0;
+ for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); ++I)
if ((*I)->Local == false)
Total += (*I)->FileSize;
return Total;
// Acquire::PartialPresent - Number of partial bytes we already have /*{{{*/
// ---------------------------------------------------------------------
/* This is the number of bytes that is not local */
-unsigned long pkgAcquire::PartialPresent()
+unsigned long long pkgAcquire::PartialPresent()
{
- unsigned long Total = 0;
- for (pkgAcquire::Item **I = ItemsBegin(); I != ItemsEnd(); I++)
+ unsigned long long Total = 0;
+ for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); ++I)
if ((*I)->Local == false)
Total += (*I)->PartialSize;
return Total;
return UriIterator(0);
}
/*}}}*/
-
// Acquire::MethodConfig::MethodConfig - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
Pipeline = false;
SendConfig = false;
LocalOnly = false;
+ Removable = false;
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 /*{{{*/
// ---------------------------------------------------------------------
/* */
-pkgAcquireStatus::pkgAcquireStatus()
+pkgAcquireStatus::pkgAcquireStatus() : d(NULL), Update(true), MorePulses(false)
{
Start();
}
// 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();
- I++, Count++)
+ for (pkgAcquire::ItemCIterator I = Owner->ItemsBegin(); I != Owner->ItemsEnd();
+ ++I, ++Count)
{
TotalItems++;
if ((*I)->Status == pkgAcquire::Item::StatDone)
- CurrentItems++;
+ ++CurrentItems;
// Totally ignore local items
if ((*I)->Local == true)
continue;
-
+
TotalBytes += (*I)->FileSize;
if ((*I)->Complete == true)
CurrentBytes += (*I)->FileSize;
if ((*I)->FileSize == 0 && (*I)->Complete == false)
- Unknown++;
+ ++Unknown;
}
// 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)
// 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 +
else
CurrentCPS = ((CurrentBytes - ResumeSize) - LastBytes)/Delta;
LastBytes = CurrentBytes - ResumeSize;
- ElapsedTime = (unsigned long)Delta;
+ ElapsedTime = (unsigned long long)Delta;
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 long ETA = 0;
+ if(CurrentCPS > 0)
+ ETA = (TotalBytes - CurrentBytes) / CurrentCPS;
+
+ // only show the ETA if it makes sense
+ if (ETA > 0 && ETA < 172800 /* two days */ )
+ snprintf(msg,sizeof(msg), _("Retrieving file %li of %li (%s remaining)"), i, TotalItems, TimeToStr(ETA).c_str());
+ else
+ snprintf(msg,sizeof(msg), _("Retrieving file %li of %li"), i, TotalItems);
+
+
+
+ // build the status str
+ status << "dlstatus:" << i
+ << ":" << (CurrentBytes/float(TotalBytes)*100.0)
+ << ":" << msg
+ << endl;
+
+ std::string const dlstatus = status.str();
+ FileFd::Write(fd, dlstatus.c_str(), dlstatus.size());
+ }
+
return true;
}
/*}}}*/
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. */
-void pkgAcquireStatus::Fetched(unsigned long Size,unsigned long Resume)
+void pkgAcquireStatus::Fetched(unsigned long long Size,unsigned long long Resume)
{
FetchedBytes += Size - Resume;
}
projects / apt.git / blobdiff