bool CDownload::IsShared() const
{
return m_bShared ||
( Settings.Gnutella1.Enabled && m_oSHA1 ) ||
( Settings.Gnutella2.Enabled && HasHash() ) ||
( Settings.eDonkey.Enabled && m_oED2K ) ||
( Settings.DC.Enabled && m_oTiger ) ||
( Settings.BitTorrent.Enabled && IsTorrent() && ( IsSeeding() || IsStarted() ) );
}
BOOL CCollectionFile::File::Parse(CXMLElement* pRoot)
{
//if ( ! pRoot->IsNamed( L"file" ) ) return FALSE; // Discards DC++
for ( POSITION pos = pRoot->GetElementIterator(); pos; )
{
CXMLElement* pXML = pRoot->GetNextElement( pos );
if ( pXML->IsNamed( L"id" ) )
{
if ( ! m_oSHA1 ) m_oSHA1.fromUrn( pXML->GetValue() );
if ( ! m_oTiger ) m_oTiger.fromUrn( pXML->GetValue() );
if ( ! m_oED2K ) m_oED2K.fromUrn( pXML->GetValue() );
if ( ! m_oMD5 ) m_oMD5.fromUrn( pXML->GetValue() );
if ( ! m_oBTH ) m_oBTH.fromUrn( pXML->GetValue() );
if ( ! m_oBTH ) m_oBTH.fromUrn< Hashes::base16Encoding >( pXML->GetValue() );
}
else if ( pXML->IsNamed( L"description" ) )
{
if ( CXMLElement* pName = pXML->GetElementByName( L"name" ) )
m_sName = pName->GetValue();
if ( CXMLElement* pSize = pXML->GetElementByName( L"size" ) )
{
if ( _stscanf( pSize->GetValue(), L"%I64i", &m_nSize ) != 1 )
return FALSE;
}
}
else if ( pXML->IsNamed( L"metadata" ) )
{
if ( m_pMetadata ) delete m_pMetadata;
m_pMetadata = CCollectionFile::CloneMetadata( pXML );
}
//else if ( pXML->IsNamed( L"packaged" ) )
//{
// if ( CXMLElement* pSource = pXML->GetElementByName( L"source" ) )
// /*m_sSource =*/ pSource->GetValue(); // ToDo: Use Sources?
//}
}
// DC++ format
if ( m_sName.IsEmpty() && ! m_oTiger && m_nSize == SIZE_UNKNOWN )
{
m_sName = pRoot->GetAttributeValue( L"Name" );
_stscanf( pRoot->GetAttributeValue( L"Size" ), L"%I64i", &m_nSize );
m_oTiger.fromString( pRoot->GetAttributeValue( L"TTH" ) );
}
return HasHash();
}
BOOL CRelatedSearch::CanSearchForThis()
{
return HasHash();
}
STRPTR HasWord(const STRPTR Word, struct WordList *WL)
{
return(HasHash(Word, &WL->Hash));
}
bool CDownload::HasStableName() const
{
return ! m_sName.IsEmpty() && ( m_bStableName || HasHash() );
}
void CDownload::OnRun()
{
// Set the currently downloading state
// (Used to optimize display in Ctrl/Wnd functions)
m_bDownloading = false;
const DWORD tNow = GetTickCount();
if ( ! IsPaused() )
{
if ( GetFileError() != ERROR_SUCCESS )
{
// File or disk errors
Pause( FALSE );
}
else if ( IsMoving() )
{
if ( ! IsCompleted() && ! IsTasking() )
OnDownloaded();
}
else if ( IsTrying() || IsSeeding() )
{
// This download is trying to download
if ( HasHash() ) // Workaround for direct downloads stuck "verifying"
OpenDownload();
// Dead Download Check: if download appears dead, give up and allow another to start.
// Incomplete, and trying for at least 3 hours:
if ( ! IsCompleted() && tNow > GetStartTimer() + ( 3 * 60 * 60 * 1000 ) )
{
const DWORD tHoursToTry = min( ( GetEffectiveSourceCount() + 49u ) / 50u, 9lu ) + Settings.Downloads.StarveGiveUp;
// No new data for 5-14 hours
if ( tNow > m_tReceived + ( tHoursToTry * 60 * 60 * 1000 ) )
{
if ( IsTorrent() )
{
// Are there other torrents that should start?
if ( Downloads.GetTryingCount( TRUE ) >= Settings.BitTorrent.DownloadTorrents )
{
StopTrying(); // Give up for now, try again later
return;
}
}
else // Regular download
{
// Are there other downloads that should try?
if ( Downloads.GetTryingCount() >= ( Settings.Downloads.MaxFiles + Settings.Downloads.MaxFileSearches ) )
{
StopTrying(); // Give up for now, try again later
return;
}
}
}
}
// End Dead Download Check
// Run the download
RunTorrent( tNow );
RunSearch( tNow );
RunValidation();
if ( IsSeeding() )
{
// Mark as collapsed to get correct heights when dragging files
if ( ! Settings.General.DebugBTSources && m_bExpanded )
m_bExpanded = FALSE;
}
else // if ( ! IsMoving() )
{
if ( IsComplete() && IsFileOpen() )
{
if ( IsFullyVerified() )
OnDownloaded();
}
else if ( CheckTorrentRatio() )
{
if ( ! Network.IsConnected() )
{
StopTrying();
return;
}
StartTransfersIfNeeded( tNow );
}
}
// Calculate current downloading state
if ( HasActiveTransfers() )
m_bDownloading = true;
// Mutate regular download to torrent download
if ( Settings.BitTorrent.EnablePromote && m_oBTH && ! IsTorrent() )
{
m_pTorrent.Clear();
m_pTorrent.m_oMD5 = m_oMD5;
m_pTorrent.m_oBTH = m_oBTH;
m_pTorrent.m_oSHA1 = m_oSHA1;
m_pTorrent.m_oED2K = m_oED2K;
m_pTorrent.m_oTiger = m_oTiger;
m_pTorrent.m_sName = m_sName;
m_pTorrent.m_nSize = m_nSize;
SetTorrent();
}
}
else if ( ! IsCompleted() && m_bVerify != TRI_TRUE )
{
// This is pending download
// // If this download isn't trying to download, see if it can try
// if ( IsDownloading() )
// SetStartTimer(); // This download was probably started by a push/etc
if ( Network.IsConnected() )
{
// Have extra regular downloads 'trying' so when a new slot is ready,
// a download has sources and is ready to go.
if ( Downloads.GetTryingCount() < ( Settings.Downloads.MaxFiles + Settings.Downloads.MaxFileSearches ) )
{
if ( ! IsTorrent() ||
Downloads.GetTryingCount( true ) < Settings.BitTorrent.DownloadTorrents )
{
// Torrents only try when 'ready to go'. (Reduce tracker load)
Resume();
}
}
}
// else
// ASSERT( ! IsTrying() );
}
}
// Don't save Downloads with many sources too often, since it's slow
if ( tNow >= m_tSaved + ( GetCount() > 20 ? 5 * Settings.Downloads.SaveInterval : Settings.Downloads.SaveInterval ) )
{
if ( IsModified() )
{
FlushFile();
if ( Save() )
m_tSaved = tNow;
}
}
}
char *HasWord(const char *Word, struct WordList *WL)
{
return HasHash(Word, &WL->Hash);
}
