X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/024d1123bf43ec616da66c2481a8ee877e00b8cb..8d3489abd90a64715b92976a7c60b42a386a4c5c:/apt-pkg/acquire.cc diff --git a/apt-pkg/acquire.cc b/apt-pkg/acquire.cc index 734f5e7ab..63825da93 100644 --- a/apt-pkg/acquire.cc +++ b/apt-pkg/acquire.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: acquire.cc,v 1.36 1999/06/13 05:06:40 jgg Exp $ +// $Id: acquire.cc,v 1.50 2004/03/17 05:17:11 mdz Exp $ /* ###################################################################### Acquire - File Acquiration @@ -13,39 +13,105 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#ifdef __GNUG__ -#pragma implementation "apt-pkg/acquire.h" -#endif #include #include #include #include #include #include +#include + +#include + +#include +#include +#include #include #include #include /*}}}*/ +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; + 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; + 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 (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()); - 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::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 /*{{{*/ @@ -53,8 +119,10 @@ pkgAcquire::pkgAcquire(pkgAcquireStatus *Log) : Log(Log) /* Free our memory, clean up the queues (destroy the workers) */ pkgAcquire::~pkgAcquire() { - while (Items.size() != 0) - delete Items[0]; + Shutdown(); + + if (LockFD != -1) + close(LockFD); while (Configs != 0) { @@ -62,6 +130,19 @@ pkgAcquire::~pkgAcquire() Configs = Configs->Next; delete Jnk; } +} + /*}}}*/ +// Acquire::Shutdown - Clean out the acquire object /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void pkgAcquire::Shutdown() +{ + while (Items.size() != 0) + { + if (Items[0]->Status == Item::StatFetching) + Items[0]->Status = Item::StatError; + delete Items[0]; + } while (Queues != 0) { @@ -85,10 +166,17 @@ void pkgAcquire::Add(Item *Itm) /* Remove an item from the acquire list. This is usually not used.. */ void pkgAcquire::Remove(Item *Itm) { - for (vector::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++; } } /*}}}*/ @@ -125,7 +213,7 @@ void pkgAcquire::Remove(Worker *Work) // Acquire::Enqueue - Queue an URI for fetching /*{{{*/ // --------------------------------------------------------------------- /* This is the entry point for an item. An item calls this function when - it is construction which creates a queue (based on the current queue + it is constructed which creates a queue (based on the current queue mode) and puts the item in that queue. If the system is running then the queue might be started. */ void pkgAcquire::Enqueue(ItemDesc &Item) @@ -155,9 +243,9 @@ void pkgAcquire::Enqueue(ItemDesc &Item) 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) { @@ -228,7 +316,11 @@ pkgAcquire::MethodConfig *pkgAcquire::GetConfig(string Access) 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; } /*}}}*/ @@ -275,7 +367,7 @@ void pkgAcquire::RunFds(fd_set *RSet,fd_set *WSet) /* 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; @@ -290,7 +382,7 @@ pkgAcquire::RunResult pkgAcquire::Run() // 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; @@ -320,7 +412,7 @@ pkgAcquire::RunResult pkgAcquire::Run() // 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) @@ -337,11 +429,11 @@ 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(); + for (ItemIterator I = Items.begin(); I != Items.end(); I++) + (*I)->Finished(); if (_error->PendingError()) return Failed; @@ -376,13 +468,13 @@ 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)) @@ -395,7 +487,7 @@ bool pkgAcquire::Clean(string Dir) continue; // Look in the get list - vector::iterator I = Items.begin(); + ItemCIterator I = Items.begin(); for (; I != Items.end(); I++) if (flNotDir((*I)->DestFile) == Dir->d_name) break; @@ -405,18 +497,19 @@ bool pkgAcquire::Clean(string Dir) 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; } @@ -424,10 +517,10 @@ 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() +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; @@ -436,16 +529,16 @@ 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() +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; } /*}}}*/ -// pkgAcquire::UriBegin - Start iterator for the uri list /*{{{*/ +// Acquire::UriBegin - Start iterator for the uri list /*{{{*/ // --------------------------------------------------------------------- /* */ pkgAcquire::UriIterator pkgAcquire::UriBegin() @@ -453,7 +546,7 @@ 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() @@ -461,7 +554,6 @@ pkgAcquire::UriIterator pkgAcquire::UriEnd() return UriIterator(0); } /*}}}*/ - // Acquire::MethodConfig::MethodConfig - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -471,10 +563,10 @@ pkgAcquire::MethodConfig::MethodConfig() Pipeline = false; SendConfig = false; LocalOnly = false; + Removable = false; Next = 0; } /*}}}*/ - // Queue::Queue - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -493,7 +585,7 @@ pkgAcquire::Queue::Queue(string Name,pkgAcquire *Owner) : Name(Name), /* */ pkgAcquire::Queue::~Queue() { - Shutdown(); + Shutdown(true); while (Items != 0) { @@ -506,11 +598,17 @@ pkgAcquire::Queue::~Queue() // 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; @@ -520,6 +618,7 @@ void pkgAcquire::Queue::Enqueue(ItemDesc &Item) Item.Owner->QueueCounter++; if (Items->Next == 0) Cycle(); + return true; } /*}}}*/ // Queue::Dequeue - Remove an item from the queue /*{{{*/ @@ -552,44 +651,53 @@ 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 = _config->FindI("Acquire::Max-Pipeline-Depth",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; @@ -670,11 +778,10 @@ void pkgAcquire::Queue::Bump() Cycle(); } /*}}}*/ - // AcquireStatus::pkgAcquireStatus - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -pkgAcquireStatus::pkgAcquireStatus() +pkgAcquireStatus::pkgAcquireStatus() : Update(true), MorePulses(false) { Start(); } @@ -694,7 +801,7 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner) // 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(); + for (pkgAcquire::ItemCIterator I = Owner->ItemsBegin(); I != Owner->ItemsEnd(); I++, Count++) { TotalItems++; @@ -704,7 +811,7 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner) // Totally ignore local items if ((*I)->Local == true) continue; - + TotalBytes += (*I)->FileSize; if ((*I)->Complete == true) CurrentBytes += (*I)->FileSize; @@ -732,11 +839,15 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner) TotalBytes = 1; if (Unknown == Count) TotalBytes = Unknown; + + // Wha?! Is not supposed to happen. + if (CurrentBytes > TotalBytes) + CurrentBytes = TotalBytes; // 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 + @@ -752,6 +863,32 @@ bool pkgAcquireStatus::Pulse(pkgAcquire *Owner) 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 ETA = + (unsigned long)((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; + write(fd, status.str().c_str(), status.str().size()); + } + return true; } /*}}}*/ @@ -781,24 +918,16 @@ void pkgAcquireStatus::Stop() struct timeval NewTime; gettimeofday(&NewTime,0); - // Compute the delta time with full accuracy - long usdiff = NewTime.tv_usec - StartTime.tv_usec; - long sdiff = NewTime.tv_sec - StartTime.tv_sec; + double Delta = NewTime.tv_sec - StartTime.tv_sec + + (NewTime.tv_usec - StartTime.tv_usec)/1000000.0; - // Borrow - if (usdiff < 0) - { - usdiff += 1000000; - sdiff--; - } - // Compute the CPS value - if (sdiff == 0 && usdiff == 0) + if (Delta < 0.01) CurrentCPS = 0; else - CurrentCPS = FetchedBytes/(sdiff + usdiff/1000000.0); + CurrentCPS = FetchedBytes/Delta; LastBytes = CurrentBytes; - ElapsedTime = sdiff; + ElapsedTime = (unsigned int)Delta; } /*}}}*/ // AcquireStatus::Fetched - Called when a byte set has been fetched /*{{{*/