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SharedFileList.cpp
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//this file is part of eMule
//Copyright (C)2002-2008 Merkur ( strEmail.Format("%s@%s", "devteam", "emule-project.net") / http://www.emule-project.net )
//
//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; if not, write to the Free Software
//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "stdafx.h"
#include <io.h>
#include <sys/stat.h>
#include "emule.h"
#include "SharedFileList.h"
#include "KnownFileList.h"
#include "Packets.h"
#include "Kademlia/Kademlia/Kademlia.h"
#include "kademlia/kademlia/search.h"
#include "kademlia/kademlia/SearchManager.h"
#include "kademlia/kademlia/prefs.h"
#include "kademlia/kademlia/Tag.h"
#include "DownloadQueue.h"
#include "Statistics.h"
#include "Preferences.h"
#include "OtherFunctions.h"
#include "KnownFile.h"
#include "Sockets.h"
#include "SafeFile.h"
#include "Server.h"
#include "UpDownClient.h"
#include "PartFile.h"
#include "emuledlg.h"
#include "SharedFilesWnd.h"
#include "StringConversion.h"
#include "ClientList.h"
#include "Log.h"
#include "Collection.h"
#include "kademlia/kademlia/UDPFirewallTester.h"
#include "md5sum.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
typedef CSimpleArray<CKnownFile*> CSimpleKnownFileArray;
#define SHAREDFILES_FILE _T("sharedfiles.dat")
///////////////////////////////////////////////////////////////////////////////
// CPublishKeyword
class CPublishKeyword
{
public:
CPublishKeyword(const Kademlia::CKadTagValueString& rstrKeyword)
{
m_strKeyword = rstrKeyword;
// min. keyword char is allowed to be < 3 in some cases (see also 'CSearchManager::GetWords')
//ASSERT( rstrKeyword.GetLength() >= 3 );
ASSERT( !rstrKeyword.IsEmpty() );
KadGetKeywordHash(rstrKeyword, &m_nKadID);
SetNextPublishTime(0);
SetPublishedCount(0);
}
const Kademlia::CUInt128& GetKadID() const { return m_nKadID; }
const Kademlia::CKadTagValueString& GetKeyword() const { return m_strKeyword; }
int GetRefCount() const { return m_aFiles.GetSize(); }
const CSimpleKnownFileArray& GetReferences() const { return m_aFiles; }
UINT GetNextPublishTime() const { return m_tNextPublishTime; }
void SetNextPublishTime(UINT tNextPublishTime) { m_tNextPublishTime = tNextPublishTime; }
UINT GetPublishedCount() const { return m_uPublishedCount; }
void SetPublishedCount(UINT uPublishedCount) { m_uPublishedCount = uPublishedCount; }
void IncPublishedCount() { m_uPublishedCount++; }
BOOL AddRef(CKnownFile* pFile)
{
if (m_aFiles.Find(pFile) != -1)
{
ASSERT(0);
return FALSE;
}
return m_aFiles.Add(pFile);
}
int RemoveRef(CKnownFile* pFile)
{
m_aFiles.Remove(pFile);
return m_aFiles.GetSize();
}
void RemoveAllReferences()
{
m_aFiles.RemoveAll();
}
void RotateReferences(int iRotateSize)
{
if (m_aFiles.GetSize() > iRotateSize)
{
CKnownFile** ppRotated = (CKnownFile**)malloc(m_aFiles.m_nAllocSize * sizeof(*m_aFiles.GetData()));
if (ppRotated != NULL)
{
memcpy(ppRotated, m_aFiles.GetData() + iRotateSize, (m_aFiles.GetSize() - iRotateSize) * sizeof(*m_aFiles.GetData()));
memcpy(ppRotated + m_aFiles.GetSize() - iRotateSize, m_aFiles.GetData(), iRotateSize * sizeof(*m_aFiles.GetData()));
free(m_aFiles.GetData());
m_aFiles.m_aT = ppRotated;
}
}
}
protected:
Kademlia::CKadTagValueString m_strKeyword;
Kademlia::CUInt128 m_nKadID;
UINT m_tNextPublishTime;
UINT m_uPublishedCount;
CSimpleKnownFileArray m_aFiles;
};
///////////////////////////////////////////////////////////////////////////////
// CPublishKeywordList
class CPublishKeywordList
{
public:
CPublishKeywordList();
~CPublishKeywordList();
void AddKeywords(CKnownFile* pFile);
void RemoveKeywords(CKnownFile* pFile);
void RemoveAllKeywords();
void RemoveAllKeywordReferences();
void PurgeUnreferencedKeywords();
int GetCount() const { return m_lstKeywords.GetCount(); }
CPublishKeyword* GetNextKeyword();
void ResetNextKeyword();
UINT GetNextPublishTime() const { return m_tNextPublishKeywordTime; }
void SetNextPublishTime(UINT tNextPublishKeywordTime) { m_tNextPublishKeywordTime = tNextPublishKeywordTime; }
#ifdef _DEBUG
void Dump();
#endif
protected:
// can't use a CMap - too many disadvantages in processing the 'list'
//CTypedPtrMap<CMapStringToPtr, CString, CPublishKeyword*> m_lstKeywords;
CTypedPtrList<CPtrList, CPublishKeyword*> m_lstKeywords;
POSITION m_posNextKeyword;
UINT m_tNextPublishKeywordTime;
CPublishKeyword* FindKeyword(const CStringW& rstrKeyword, POSITION* ppos = NULL) const;
};
CPublishKeywordList::CPublishKeywordList()
{
ResetNextKeyword();
SetNextPublishTime(0);
}
CPublishKeywordList::~CPublishKeywordList()
{
RemoveAllKeywords();
}
CPublishKeyword* CPublishKeywordList::GetNextKeyword()
{
if (m_posNextKeyword == NULL)
{
m_posNextKeyword = m_lstKeywords.GetHeadPosition();
if (m_posNextKeyword == NULL)
return NULL;
}
return m_lstKeywords.GetNext(m_posNextKeyword);
}
void CPublishKeywordList::ResetNextKeyword()
{
m_posNextKeyword = m_lstKeywords.GetHeadPosition();
}
CPublishKeyword* CPublishKeywordList::FindKeyword(const CStringW& rstrKeyword, POSITION* ppos) const
{
POSITION pos = m_lstKeywords.GetHeadPosition();
while (pos)
{
POSITION posLast = pos;
CPublishKeyword* pPubKw = m_lstKeywords.GetNext(pos);
if (pPubKw->GetKeyword() == rstrKeyword)
{
if (ppos)
*ppos = posLast;
return pPubKw;
}
}
return NULL;
}
void CPublishKeywordList::AddKeywords(CKnownFile* pFile)
{
const Kademlia::WordList& wordlist = pFile->GetKadKeywords();
//ASSERT( wordlist.size() > 0 );
Kademlia::WordList::const_iterator it;
for (it = wordlist.begin(); it != wordlist.end(); it++)
{
const CStringW& strKeyword = *it;
CPublishKeyword* pPubKw = FindKeyword(strKeyword);
if (pPubKw == NULL)
{
pPubKw = new CPublishKeyword(strKeyword);
m_lstKeywords.AddTail(pPubKw);
SetNextPublishTime(0);
}
if(pPubKw->AddRef(pFile) && pPubKw->GetNextPublishTime() > MIN2S(30))
{
// User may be adding and removing files, so if this is a keyword that
// has already been published, we reduce the time, but still give the user
// enough time to finish what they are doing.
// If this is a hot node, the Load list will prevent from republishing.
pPubKw->SetNextPublishTime(MIN2S(30));
}
}
}
void CPublishKeywordList::RemoveKeywords(CKnownFile* pFile)
{
const Kademlia::WordList& wordlist = pFile->GetKadKeywords();
//ASSERT( wordlist.size() > 0 );
Kademlia::WordList::const_iterator it;
for (it = wordlist.begin(); it != wordlist.end(); it++)
{
const CStringW& strKeyword = *it;
POSITION pos;
CPublishKeyword* pPubKw = FindKeyword(strKeyword, &pos);
if (pPubKw != NULL)
{
if (pPubKw->RemoveRef(pFile) == 0)
{
if (pos == m_posNextKeyword)
(void)m_lstKeywords.GetNext(m_posNextKeyword);
m_lstKeywords.RemoveAt(pos);
delete pPubKw;
SetNextPublishTime(0);
}
}
}
}
void CPublishKeywordList::RemoveAllKeywords()
{
POSITION pos = m_lstKeywords.GetHeadPosition();
while (pos)
delete m_lstKeywords.GetNext(pos);
m_lstKeywords.RemoveAll();
ResetNextKeyword();
SetNextPublishTime(0);
}
void CPublishKeywordList::RemoveAllKeywordReferences()
{
POSITION pos = m_lstKeywords.GetHeadPosition();
while (pos)
m_lstKeywords.GetNext(pos)->RemoveAllReferences();
}
void CPublishKeywordList::PurgeUnreferencedKeywords()
{
POSITION pos = m_lstKeywords.GetHeadPosition();
while (pos)
{
POSITION posLast = pos;
CPublishKeyword* pPubKw = m_lstKeywords.GetNext(pos);
if (pPubKw->GetRefCount() == 0)
{
if (posLast == m_posNextKeyword)
(void)m_lstKeywords.GetNext(m_posNextKeyword);
m_lstKeywords.RemoveAt(posLast);
delete pPubKw;
SetNextPublishTime(0);
}
}
}
#ifdef _DEBUG
void CPublishKeywordList::Dump()
{
int i = 0;
POSITION pos = m_lstKeywords.GetHeadPosition();
while (pos)
{
CPublishKeyword* pPubKw = m_lstKeywords.GetNext(pos);
TRACE(_T("%3u: %-10ls ref=%u %s\n"), i, pPubKw->GetKeyword(), pPubKw->GetRefCount(), CastSecondsToHM(pPubKw->GetNextPublishTime()));
i++;
}
}
#endif
///////////////////////////////////////////////////////////////////////////////
// CAddFileThread
IMPLEMENT_DYNCREATE(CAddFileThread, CWinThread)
CAddFileThread::CAddFileThread()
{
m_pOwner = NULL;
m_partfile = NULL;
}
void CAddFileThread::SetValues(CSharedFileList* pOwner, LPCTSTR directory, LPCTSTR filename, LPCTSTR strSharedDir, CPartFile* partfile)
{
m_pOwner = pOwner;
m_strDirectory = directory;
m_strFilename = filename;
m_partfile = partfile;
m_strSharedDir = strSharedDir;
}
BOOL CAddFileThread::InitInstance()
{
InitThreadLocale();
return TRUE;
}
int CAddFileThread::Run()
{
DbgSetThreadName("Hashing %s", m_strFilename);
if ( !(m_pOwner || m_partfile) || m_strFilename.IsEmpty() || !theApp.emuledlg->IsRunning() )
return 0;
CoInitialize(NULL);
// locking that hashing thread is needed because we may create a couple of those threads at startup when rehashing
// potentially corrupted downloading part files. if all those hash threads would run concurrently, the io-system would be
// under very heavy load and slowly progressing
CSingleLock sLock1(&theApp.hashing_mut); // only one filehash at a time
sLock1.Lock();
CString strFilePath;
_tmakepathlimit(strFilePath.GetBuffer(MAX_PATH), NULL, m_strDirectory, m_strFilename, NULL);
strFilePath.ReleaseBuffer();
if (m_partfile)
Log(GetResString(IDS_HASHINGFILE) + _T(" \"%s\" \"%s\""), m_partfile->GetFileName(), strFilePath);
else
Log(GetResString(IDS_HASHINGFILE) + _T(" \"%s\""), strFilePath);
CKnownFile* newrecord = new CKnownFile();
if (newrecord->CreateFromFile(m_strDirectory, m_strFilename, m_partfile) && theApp.emuledlg && theApp.emuledlg->IsRunning()) // SLUGFILLER: SafeHash - in case of shutdown while still hashing
{
newrecord->SetSharedDirectory(m_strSharedDir);
if (m_partfile && m_partfile->GetFileOp() == PFOP_HASHING)
m_partfile->SetFileOp(PFOP_NONE);
if (!PostMessage(theApp.emuledlg->m_hWnd, TM_FINISHEDHASHING, (m_pOwner ? 0: (WPARAM)m_partfile), (LPARAM)newrecord))
delete newrecord;
}
else
{
if (theApp.emuledlg && theApp.emuledlg->IsRunning())
{
if (m_partfile && m_partfile->GetFileOp() == PFOP_HASHING)
m_partfile->SetFileOp(PFOP_NONE);
}
// SLUGFILLER: SafeHash - inform main program of hash failure
if (m_pOwner && theApp.emuledlg && theApp.emuledlg->IsRunning())
{
UnknownFile_Struct* hashed = new UnknownFile_Struct;
hashed->strDirectory = m_strDirectory;
hashed->strName = m_strFilename;
if (!PostMessage(theApp.emuledlg->m_hWnd, TM_HASHFAILED, 0, (LPARAM)hashed))
delete hashed;
}
// SLUGFILLER: SafeHash
delete newrecord;
}
sLock1.Unlock();
CoUninitialize();
return 0;
}
///////////////////////////////////////////////////////////////////////////////
// CSharedFileList
CSharedFileList::CSharedFileList(CServerConnect* in_server)
{
server = in_server;
output = 0;
m_Files_map.InitHashTable(1031);
m_keywords = new CPublishKeywordList;
m_lastPublishED2K = 0;
m_lastPublishED2KFlag = true;
m_currFileSrc = 0;
m_currFileNotes = 0;
m_lastPublishKadSrc = 0;
m_lastPublishKadNotes = 0;
m_currFileKey = 0;
bHaveSingleSharedFiles = false;
LoadSingleSharedFilesList();
FindSharedFiles();
}
CSharedFileList::~CSharedFileList(){
while (!waitingforhash_list.IsEmpty()){
UnknownFile_Struct* nextfile = waitingforhash_list.RemoveHead();
delete nextfile;
}
// SLUGFILLER: SafeHash
while (!currentlyhashing_list.IsEmpty()){
UnknownFile_Struct* nextfile = currentlyhashing_list.RemoveHead();
delete nextfile;
}
// SLUGFILLER: SafeHash
delete m_keywords;
#if defined(_BETA) || defined(_DEVBUILD)
// On Beta builds we created a testfile, delete it when closing eMule
CString tempDir = thePrefs.GetMuleDirectory(EMULE_INCOMINGDIR);
if (tempDir.Right(1)!=_T("\\"))
tempDir+=_T("\\");
CString strBetaFileName;
strBetaFileName.Format(_T("eMule%u.%u%c.%u Beta Testfile "), CemuleApp::m_nVersionMjr,
CemuleApp::m_nVersionMin, _T('a') + CemuleApp::m_nVersionUpd, CemuleApp::m_nVersionBld);
MD5Sum md5(strBetaFileName);
strBetaFileName += md5.GetHash().Left(6) + _T(".txt");
DeleteFile(tempDir + strBetaFileName);
#endif
}
void CSharedFileList::CopySharedFileMap(CMap<CCKey,const CCKey&,CKnownFile*,CKnownFile*> &Files_Map)
{
if (!m_Files_map.IsEmpty())
{
POSITION pos = m_Files_map.GetStartPosition();
while (pos)
{
CCKey key;
CKnownFile* cur_file;
m_Files_map.GetNextAssoc(pos, key, cur_file);
Files_Map.SetAt(key, cur_file);
}
}
}
void CSharedFileList::FindSharedFiles()
{
if (!m_Files_map.IsEmpty())
{
CSingleLock listlock(&m_mutWriteList);
POSITION pos = m_Files_map.GetStartPosition();
while (pos)
{
CCKey key;
CKnownFile* cur_file;
m_Files_map.GetNextAssoc(pos, key, cur_file);
if (cur_file->IsKindOf(RUNTIME_CLASS(CPartFile))
&& !theApp.downloadqueue->IsPartFile(cur_file)
&& !theApp.knownfiles->IsFilePtrInList(cur_file)
&& _taccess(cur_file->GetFilePath(), 0) == 0)
continue;
m_UnsharedFiles_map.SetAt(CSKey(cur_file->GetFileHash()), true);
listlock.Lock();
m_Files_map.RemoveKey(key);
listlock.Unlock();
}
ASSERT( theApp.downloadqueue );
if (theApp.downloadqueue)
theApp.downloadqueue->AddPartFilesToShare(); // read partfiles
}
// khaos::kmod+ Fix: Shared files loaded multiple times.
CStringList l_sAdded;
CString tempDir;
CString ltempDir;
tempDir = thePrefs.GetMuleDirectory(EMULE_INCOMINGDIR);
if (tempDir.Right(1)!=_T("\\"))
tempDir+=_T("\\");
#if defined(_BETA) || defined(_DEVBUILD)
// In Betaversion we create a testfile which is published in order to make testing easier
// by allowing to easily find files which are published and shared by "new" nodes
CStdioFile f;
CString strBetaFileName;
strBetaFileName.Format(_T("eMule%u.%u%c.%u Beta Testfile "), CemuleApp::m_nVersionMjr,
CemuleApp::m_nVersionMin, _T('a') + CemuleApp::m_nVersionUpd, CemuleApp::m_nVersionBld);
MD5Sum md5(strBetaFileName);
strBetaFileName += md5.GetHash().Left(6) + _T(".txt");
if (!f.Open(tempDir + strBetaFileName, CFile::modeCreate | CFile::modeWrite | CFile::shareDenyWrite))
ASSERT( false );
else
{
try {
// do not translate the content!
f.WriteString(strBetaFileName + '\n'); // garantuees a different hash on different versions
f.WriteString(_T("This file is automatically created by eMule Beta versions to help the developers testing and debugging new the new features. eMule will delete this file when exiting, otherwise you can remove this file at any time.\nThanks for beta testing eMule :)"));
f.Close();
}
catch (CFileException* ex) {
ASSERT(0);
ex->Delete();
}
}
#endif
AddFilesFromDirectory(tempDir);
tempDir.MakeLower();
l_sAdded.AddHead( tempDir );
for (int ix=1;ix<thePrefs.GetCatCount();ix++)
{
tempDir=CString( thePrefs.GetCatPath(ix) );
if (tempDir.Right(1)!=_T("\\"))
tempDir+=_T("\\");
ltempDir=tempDir;
ltempDir.MakeLower();
if( l_sAdded.Find( ltempDir ) ==NULL ) {
l_sAdded.AddHead( ltempDir );
AddFilesFromDirectory(tempDir);
}
}
for (POSITION pos = thePrefs.shareddir_list.GetHeadPosition();pos != 0;)
{
tempDir = thePrefs.shareddir_list.GetNext(pos);
if (tempDir.Right(1)!=_T("\\"))
tempDir+=_T("\\");
ltempDir= tempDir;
ltempDir.MakeLower();
if( l_sAdded.Find( ltempDir ) ==NULL ) {
l_sAdded.AddHead( ltempDir );
AddFilesFromDirectory(tempDir);
}
}
// add all single shared files
for (POSITION pos = m_liSingleSharedFiles.GetHeadPosition(); pos != NULL; m_liSingleSharedFiles.GetNext(pos))
CheckAndAddSingleFile(m_liSingleSharedFiles.GetAt(pos));
// khaos::kmod-
if (waitingforhash_list.IsEmpty())
AddLogLine(false,GetResString(IDS_SHAREDFOUND), m_Files_map.GetCount());
else
AddLogLine(false,GetResString(IDS_SHAREDFOUNDHASHING), m_Files_map.GetCount(), waitingforhash_list.GetCount());
HashNextFile();
}
void CSharedFileList::AddFilesFromDirectory(const CString& rstrDirectory)
{
CFileFind ff;
CString strSearchPath(rstrDirectory);
PathAddBackslash(strSearchPath.GetBuffer(strSearchPath.GetLength() + 1));
strSearchPath.ReleaseBuffer();
strSearchPath += _T("*");
bool end = !ff.FindFile(strSearchPath, 0);
if (end) {
DWORD dwError = GetLastError();
if (dwError != ERROR_FILE_NOT_FOUND)
LogWarning(GetResString(IDS_ERR_SHARED_DIR), rstrDirectory, GetErrorMessage(dwError));
return;
}
while (!end)
{
end = !ff.FindNextFile();
CheckAndAddSingleFile(ff);
}
ff.Close();
}
bool CSharedFileList::AddSingleSharedFile(const CString& rstrFilePath, bool bNoUpdate)
{
bool bExclude = false;
bool bShared = false;
// first check if we are explicty exluding this file
for (POSITION pos = m_liSingleExcludedFiles.GetHeadPosition(); pos != NULL; m_liSingleExcludedFiles.GetNext(pos) )
{
if (rstrFilePath.CompareNoCase(m_liSingleExcludedFiles.GetAt(pos)) == 0)
{
bExclude = true;
m_liSingleExcludedFiles.RemoveAt(pos);
break;
}
}
// check if we share this file in general
bShared = ShouldBeShared(rstrFilePath.Left(rstrFilePath.ReverseFind('\\') + 1), rstrFilePath, false);
if (bShared && !bExclude){
// we should share this file already
return false;
}
else if (!bShared){
// the directory is not shared, so we need a special entry
m_liSingleSharedFiles.AddTail(rstrFilePath);
}
return bNoUpdate || CheckAndAddSingleFile(rstrFilePath);
}
bool CSharedFileList::CheckAndAddSingleFile(const CString& rstrFilePath)
{
CFileFind ff;
bool end = !ff.FindFile(rstrFilePath, 0);
if (end) {
DWORD dwError = GetLastError();
if (dwError != ERROR_FILE_NOT_FOUND)
LogWarning(GetResString(IDS_ERR_SHARED_DIR), rstrFilePath, GetErrorMessage(dwError));
return false;
}
ff.FindNextFile();
CheckAndAddSingleFile(ff);
ff.Close();
HashNextFile();
bHaveSingleSharedFiles = true;
// GUI updating needs to be done by caller
return true;
}
bool CSharedFileList::SafeAddKFile(CKnownFile* toadd, bool bOnlyAdd)
{
bool bAdded = false;
RemoveFromHashing(toadd); // SLUGFILLER: SafeHash - hashed ok, remove from list, in case it was on the list
bAdded = AddFile(toadd);
if (bOnlyAdd)
return bAdded;
if (bAdded && output)
{
output->AddFile(toadd);
output->ShowFilesCount();
}
m_lastPublishED2KFlag = true;
return bAdded;
}
void CSharedFileList::RepublishFile(CKnownFile* pFile)
{
CServer* pCurServer = server->GetCurrentServer();
if (pCurServer && (pCurServer->GetTCPFlags() & SRV_TCPFLG_COMPRESSION))
{
m_lastPublishED2KFlag = true;
pFile->SetPublishedED2K(false); // FIXME: this creates a wrong 'No' for the ed2k shared info in the listview until the file is shared again.
}
}
bool CSharedFileList::AddFile(CKnownFile* pFile)
{
ASSERT( pFile->GetFileIdentifier().HasExpectedMD4HashCount() );
ASSERT( !pFile->IsKindOf(RUNTIME_CLASS(CPartFile)) || !STATIC_DOWNCAST(CPartFile, pFile)->m_bMD4HashsetNeeded );
ASSERT( !pFile->IsShellLinked() || ShouldBeShared(pFile->GetSharedDirectory(), _T(""), false) );
CCKey key(pFile->GetFileHash());
CKnownFile* pFileInMap;
if (m_Files_map.Lookup(key, pFileInMap))
{
TRACE(_T("%hs: File already in shared file list: %s \"%s\" \"%s\"\n"), __FUNCTION__, md4str(pFileInMap->GetFileHash()), pFileInMap->GetFileName(), pFileInMap->GetFilePath());
TRACE(_T("%hs: File to add: %s \"%s\" \"%s\"\n"), __FUNCTION__, md4str(pFile->GetFileHash()), pFile->GetFileName(), pFile->GetFilePath());
if (!pFileInMap->IsKindOf(RUNTIME_CLASS(CPartFile)) || theApp.downloadqueue->IsPartFile(pFileInMap))
LogWarning(GetResString(IDS_ERR_DUPL_FILES), pFileInMap->GetFilePath(), pFile->GetFilePath());
return false;
}
m_UnsharedFiles_map.RemoveKey(CSKey(pFile->GetFileHash()));
CSingleLock listlock(&m_mutWriteList);
listlock.Lock();
m_Files_map.SetAt(key, pFile);
listlock.Unlock();
bool bKeywordsNeedUpdated = true;
if(!pFile->IsPartFile() && !pFile->m_pCollection && CCollection::HasCollectionExtention(pFile->GetFileName()))
{
pFile->m_pCollection = new CCollection();
if(!pFile->m_pCollection->InitCollectionFromFile(pFile->GetFilePath(), pFile->GetFileName()))
{
delete pFile->m_pCollection;
pFile->m_pCollection = NULL;
}
else if (!pFile->m_pCollection->GetCollectionAuthorKeyString().IsEmpty())
{
//If the collection has a key, resetting the file name will
//cause the key to be added into the wordlist to be stored
//into Kad.
pFile->SetFileName(pFile->GetFileName());
//During the initial startup, sharedfiles is not accessable
//to SetFileName which will then not call AddKeywords..
//But when it is accessable, we don't allow it to readd them.
if(theApp.sharedfiles)
bKeywordsNeedUpdated = false;
}
}
if(bKeywordsNeedUpdated)
m_keywords->AddKeywords(pFile);
pFile->SetLastSeen();
theApp.knownfiles->m_nRequestedTotal += pFile->statistic.GetAllTimeRequests();
theApp.knownfiles->m_nAcceptedTotal += pFile->statistic.GetAllTimeAccepts();
theApp.knownfiles->m_nTransferredTotal += pFile->statistic.GetAllTimeTransferred();
return true;
}
void CSharedFileList::FileHashingFinished(CKnownFile* file)
{
// File hashing finished for a shared file (none partfile)
// - reading shared directories at startup and hashing files which were not found in known.met
// - reading shared directories during runtime (user hit Reload button, added a shared directory, ...)
ASSERT( !IsFilePtrInList(file) );
ASSERT( !theApp.knownfiles->IsFilePtrInList(file) );
CKnownFile* found_file = GetFileByID(file->GetFileHash());
if (found_file == NULL)
{
// check if we still want to actually share this file, the user might have unshared it while hashing
if (!ShouldBeShared(file->GetSharedDirectory(), file->GetFilePath(), false)){
RemoveFromHashing(file);
if (!IsFilePtrInList(file) && !theApp.knownfiles->IsFilePtrInList(file))
delete file;
else
ASSERT(0);
}
else
{
SafeAddKFile(file);
theApp.knownfiles->SafeAddKFile(file);
}
}
else
{
TRACE(_T("%hs: File already in shared file list: %s \"%s\"\n"), __FUNCTION__, md4str(found_file->GetFileHash()), found_file->GetFilePath());
TRACE(_T("%hs: File to add: %s \"%s\"\n"), __FUNCTION__, md4str(file->GetFileHash()), file->GetFilePath());
LogWarning(GetResString(IDS_ERR_DUPL_FILES), found_file->GetFilePath(), file->GetFilePath());
RemoveFromHashing(file);
if (!IsFilePtrInList(file) && !theApp.knownfiles->IsFilePtrInList(file))
delete file;
else
ASSERT(0);
}
}
bool CSharedFileList::RemoveFile(CKnownFile* pFile, bool bDeleted)
{
CSingleLock listlock(&m_mutWriteList);
listlock.Lock();
bool bResult = (m_Files_map.RemoveKey(CCKey(pFile->GetFileHash())) != FALSE);
listlock.Unlock();
output->RemoveFile(pFile, bDeleted);
m_keywords->RemoveKeywords(pFile);
if (bResult)
{
m_UnsharedFiles_map.SetAt(CSKey(pFile->GetFileHash()), true);
theApp.knownfiles->m_nRequestedTotal -= pFile->statistic.GetAllTimeRequests();
theApp.knownfiles->m_nAcceptedTotal -= pFile->statistic.GetAllTimeAccepts();
theApp.knownfiles->m_nTransferredTotal -= pFile->statistic.GetAllTimeTransferred();
}
return bResult;
}
void CSharedFileList::Reload()
{
ClearVolumeInfoCache();
m_mapPseudoDirNames.RemoveAll();
m_keywords->RemoveAllKeywordReferences();
while (!waitingforhash_list.IsEmpty()) // delete all files which are waiting to get hashed, will be readded if still shared below
delete waitingforhash_list.RemoveHead();
bHaveSingleSharedFiles = false;
FindSharedFiles();
m_keywords->PurgeUnreferencedKeywords();
if (output)
output->ReloadFileList();
}
void CSharedFileList::SetOutputCtrl(CSharedFilesCtrl* in_ctrl)
{
output = in_ctrl;
output->ReloadFileList();
HashNextFile(); // SLUGFILLER: SafeHash - if hashing not yet started, start it now
}
uint8 GetRealPrio(uint8 in)
{
switch(in) {
case 4 : return 0;
case 0 : return 1;
case 1 : return 2;
case 2 : return 3;
case 3 : return 4;
}
return 0;
}
void CSharedFileList::SendListToServer(){
if (m_Files_map.IsEmpty() || !server->IsConnected())
{
return;
}
CServer* pCurServer = server->GetCurrentServer();
CSafeMemFile files(1024);
CCKey bufKey;
CKnownFile* cur_file,cur_file2;
POSITION pos,pos2;
CTypedPtrList<CPtrList, CKnownFile*> sortedList;
bool added=false;
for(pos=m_Files_map.GetStartPosition(); pos!=0;)
{
m_Files_map.GetNextAssoc(pos, bufKey, cur_file);
added=false;
//insertsort into sortedList
if(!cur_file->GetPublishedED2K() && (!cur_file->IsLargeFile() || (pCurServer != NULL && pCurServer->SupportsLargeFilesTCP())))
{
for (pos2 = sortedList.GetHeadPosition();pos2 != 0 && !added;sortedList.GetNext(pos2))
{
if (GetRealPrio(sortedList.GetAt(pos2)->GetUpPriority()) <= GetRealPrio(cur_file->GetUpPriority()) )
{
sortedList.InsertBefore(pos2,cur_file);
added=true;
}
}
if (!added)
{
sortedList.AddTail(cur_file);
}
}
}
// add to packet
uint32 limit = pCurServer ? pCurServer->GetSoftFiles() : 0;
if( limit == 0 || limit > 200 )
{
limit = 200;
}
if( (uint32)sortedList.GetCount() < limit )
{
limit = sortedList.GetCount();
if (limit == 0)
{
m_lastPublishED2KFlag = false;
return;
}
}
files.WriteUInt32(limit);
uint32 count=0;
for (pos = sortedList.GetHeadPosition();pos != 0 && count<limit; )
{
count++;
CKnownFile* file = sortedList.GetNext(pos);
CreateOfferedFilePacket(file, &files, pCurServer);
file->SetPublishedED2K(true);
}
sortedList.RemoveAll();
Packet* packet = new Packet(&files);
packet->opcode = OP_OFFERFILES;
// compress packet
// - this kind of data is highly compressable (N * (1 MD4 and at least 3 string meta data tags and 1 integer meta data tag))
// - the min. amount of data needed for one published file is ~100 bytes
// - this function is called once when connecting to a server and when a file becomes shareable - so, it's called rarely.
// - if the compressed size is still >= the original size, we send the uncompressed packet
// therefor we always try to compress the packet
if (pCurServer && pCurServer->GetTCPFlags() & SRV_TCPFLG_COMPRESSION){
UINT uUncomprSize = packet->size;
packet->PackPacket();
if (thePrefs.GetDebugServerTCPLevel() > 0)
Debug(_T(">>> Sending OP__OfferFiles(compressed); uncompr size=%u compr size=%u files=%u\n"), uUncomprSize, packet->size, limit);
}
else{
if (thePrefs.GetDebugServerTCPLevel() > 0)
Debug(_T(">>> Sending OP__OfferFiles; size=%u files=%u\n"), packet->size, limit);
}
theStats.AddUpDataOverheadServer(packet->size);
if (thePrefs.GetVerbose())
AddDebugLogLine(false, _T("Server, Sendlist: Packet size:%u"), packet->size);
server->SendPacket(packet,true);
}
void CSharedFileList::ClearED2KPublishInfo()
{
CKnownFile* cur_file;
CCKey bufKey;
m_lastPublishED2KFlag = true;
for (POSITION pos = m_Files_map.GetStartPosition();pos != 0;)
{
m_Files_map.GetNextAssoc(pos,bufKey,cur_file);
cur_file->SetPublishedED2K(false);
}
}
void CSharedFileList::ClearKadSourcePublishInfo()
{
CKnownFile* cur_file;
CCKey bufKey;
for (POSITION pos = m_Files_map.GetStartPosition();pos != 0;)
{
m_Files_map.GetNextAssoc(pos,bufKey,cur_file);
cur_file->SetLastPublishTimeKadSrc(0,0);
}
}
void CSharedFileList::CreateOfferedFilePacket(CKnownFile* cur_file, CSafeMemFile* files,
CServer* pServer, CUpDownClient* pClient)
{
UINT uEmuleVer = (pClient && pClient->IsEmuleClient()) ? pClient->GetVersion() : 0;
// NOTE: This function is used for creating the offered file packet for Servers _and_ for Clients..
files->WriteHash16(cur_file->GetFileHash());
// *) This function is used for offering files to the local server and for sending
// shared files to some other client. In each case we send our IP+Port only, if
// we have a HighID.
// *) Newer eservers also support 2 special IP+port values which are used to hold basic file status info.
uint32 nClientID = 0;
uint16 nClientPort = 0;
if (pServer)
{
// we use the 'TCP-compression' server feature flag as indicator for a 'newer' server.
if (pServer->GetTCPFlags() & SRV_TCPFLG_COMPRESSION)
{
if (cur_file->IsPartFile())
{
// publishing an incomplete file
nClientID = 0xFCFCFCFC;
nClientPort = 0xFCFC;
}
else
{
// publishing a complete file
nClientID = 0xFBFBFBFB;
nClientPort = 0xFBFB;
}
}
else
{
// check eD2K ID state
if (theApp.serverconnect->IsConnected() && !theApp.serverconnect->IsLowID())
{
nClientID = theApp.GetID();
nClientPort = thePrefs.GetPort();
}
}
}
else
{
if (theApp.IsConnected() && !theApp.IsFirewalled())
{
nClientID = theApp.GetID();
nClientPort = thePrefs.GetPort();
}
}
files->WriteUInt32(nClientID);
files->WriteUInt16(nClientPort);
//TRACE(_T("Publishing file: Hash=%s ClientIP=%s ClientPort=%u\n"), md4str(cur_file->GetFileHash()), ipstr(nClientID), nClientPort);
CSimpleArray<CTag*> tags;
tags.Add(new CTag(FT_FILENAME, cur_file->GetFileName()));
if (!cur_file->IsLargeFile()){
tags.Add(new CTag(FT_FILESIZE, (uint32)(uint64)cur_file->GetFileSize()));
}
else{
// we send 2*32 bit tags to servers, but a real 64 bit tag to other clients.
if (pServer != NULL){
if (!pServer->SupportsLargeFilesTCP()){
ASSERT( false );
tags.Add(new CTag(FT_FILESIZE, 0, false));
}
else{
tags.Add(new CTag(FT_FILESIZE, (uint32)(uint64)cur_file->GetFileSize()));
tags.Add(new CTag(FT_FILESIZE_HI, (uint32)((uint64)cur_file->GetFileSize() >> 32)));
}