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// download_update_manager.cc
//
// Copyright (C) 2005, 2007-2009, 2011 Daniel Burrows
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
#include "download_update_manager.h"
#include "apt.h"
#include "config_signal.h"
#include "download_signal_log.h"
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/cachefile.h>
#include <apt-pkg/clean.h>
#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
namespace cw = cwidget;
class my_cleaner:public pkgArchiveCleaner
{
protected:
virtual void Erase(const char *file,
string pkg,
string ver,
struct stat &stat)
{
unlink(file);
}
};
download_update_manager::download_update_manager()
: log(NULL)
{
}
download_update_manager::~download_update_manager()
{
}
bool download_update_manager::prepare(OpProgress &progress,
pkgAcquireStatus &acqlog,
download_signal_log *signallog)
{
log = signallog;
if(apt_cache_file != NULL &&
!(*apt_cache_file)->save_selection_list(progress))
return false;
// FIXME: should save_selection_list do this?
progress.Done();
if(src_list.ReadMainList() == false)
{
_error->Error(_("Couldn't read list of package sources"));
return false;
}
// Abort here so we don't spew random messages below.
if(_error->PendingError())
return false;
fetcher = new pkgAcquire();
if(fetcher->Setup(&acqlog, aptcfg->FindDir("Dir::State::Lists")) == false ||
src_list.GetIndexes(fetcher) == false)
{
delete fetcher;
fetcher = NULL;
return false;
}
// Run scripts
RunScripts("APT::Update::Pre-Invoke");
return true;
}
void download_update_manager::finish(pkgAcquire::RunResult res,
OpProgress *progress,
const sigc::slot1<void, result> &k)
{
if(log != NULL)
log->Complete();
apt_close_cache();
if(res != pkgAcquire::Continue)
{
k(failure);
return;
}
bool failed = false;
bool transientNetworkFailure = false;
result rval = success;
// We need to claim that the download failed if any source failed,
// and invoke Finished() on any failed items. Also, we shouldn't
// clean the package lists if any individual item failed because it
// makes users grumpy (see Debian bugs #201842 and #479620).
//
// See also apt-get.cc.
for(pkgAcquire::ItemIterator it = fetcher->ItemsBegin();
it != fetcher->ItemsEnd(); ++it)
{
if((*it)->Status == pkgAcquire::Item::StatDone)
continue;
(*it)->Finished();
::URI uri((*it)->DescURI());
uri.User.clear();
uri.Password.clear();
const std::string descUri = string(uri);
_error->Warning(_("Failed to fetch %s: %s\n"), descUri.c_str(), (*it)->ErrorText.c_str());
if((*it)->Status == pkgAcquire::Item::StatTransientNetworkError)
{
transientNetworkFailure = true;
continue;
}
failed = true;
rval = failure;
}
// Clean old stuff out
const std::string listsdir = aptcfg->FindDir("Dir::State::lists");
if(!transientNetworkFailure && !failed &&
(aptcfg->FindB("APT::Get::List-Cleanup", true) == true &&
aptcfg->FindB("APT::List-Cleanup", true) == true) &&
(fetcher->Clean(listsdir) == false ||
fetcher->Clean(listsdir + "partial/") == false))
{
_error->Error(_("Couldn't clean out list directories"));
rval = failure;
}
if(transientNetworkFailure == true)
_error->Warning(_("Some index files failed to download. They have been ignored, or old ones used instead."));
else if(failed == true)
_error->Error(_("Some index files failed to download. They have been ignored, or old ones used instead."));
if(rval != failure)
{
// Run the success scripts if all was fine
if(!transientNetworkFailure && !failed)
RunScripts("APT::Update::Post-Invoke-Success");
// Run the other scripts
RunScripts("APT::Update::Post-Invoke");
}
// Rebuild the apt caches as done in apt-get. cachefile is scoped
// so it dies before we possibly-reload the cache. This will do a
// little redundant work in visual mode, but avoids lots of
// redundant work at the command-line.
{
pkgCacheFile cachefile;
pkgCacheFile::RemoveCaches();
if(!cachefile.BuildCaches(progress, true))
{
_error->Error(_("Couldn't rebuild package cache"));
k(failure);
return;
}
}
bool need_forget_new =
aptcfg->FindB(PACKAGE "::Forget-New-On-Update", false);
bool need_autoclean =
aptcfg->FindB(PACKAGE "::AutoClean-After-Update", false);
if(need_forget_new || need_autoclean)
apt_load_cache(progress, true);
if(apt_cache_file != NULL && need_forget_new)
{
(*apt_cache_file)->forget_new(NULL);
post_forget_new_hook();
}
if(apt_cache_file != NULL && need_autoclean)
{
pre_autoclean_hook();
my_cleaner cleaner;
cleaner.Go(aptcfg->FindDir("Dir::Cache::archives"), *apt_cache_file);
cleaner.Go(aptcfg->FindDir("Dir::Cache::archives")+"partial/",
*apt_cache_file);
post_autoclean_hook();
}
k(rval);
return;
}
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