Exemplo n.º 1
0
void CPrefs::WriteFile()
{
	try
	{
		CSafeBufferedFile file;
		CFileException fexp;
		if (file.Open(m_sFilename, CFile::modeWrite | CFile::modeCreate | CFile::typeBinary | CFile::shareDenyWrite, &fexp))
		{
			setvbuf(file.m_pStream, NULL, _IOFBF, 16384);
			file.WriteUInt32(m_uIP);
			file.WriteUInt16(0); //This is no longer used.
			file.WriteUInt128(&m_uClientID);
			file.WriteUInt8(0); //This is to tell older clients there are no tags..
			file.Close();
		}
	}
	catch (CException *ex)
	{
		ASSERT(0);
		ex->Delete();
	}
	catch (...)
	{
		TRACE("Exception in CPrefs::writeFile\n");
	}
}
Exemplo n.º 2
0
void CRoutingZone::DbgWriteBootstrapFile()
{
	DebugLogWarning(_T("Writing special bootstrap nodes.dat - not intended for normal use"));
	try
	{
		// Write a saved contact list.
		CUInt128 uID;
		CSafeBufferedFile file;
		CFileException fexp;
		if (file.Open(m_sFilename, CFile::modeWrite | CFile::modeCreate | CFile::typeBinary|CFile::shareDenyWrite, &fexp))
		{
			setvbuf(file.m_pStream, NULL, _IOFBF, 32768);

			// The bootstrap method gets a very nice sample of contacts to save.
			ContactMap mapContacts;
			CUInt128 uRandom(CUInt128((ULONG)0), 0);
			CUInt128 uDistance = uRandom;
			uDistance.Xor(uMe);
			GetClosestTo(2, uRandom, uDistance, 1200, &mapContacts, false, false);
			// filter out Kad1 nodes
			for (ContactMap::iterator itContactMap = mapContacts.begin(); itContactMap != mapContacts.end(); )
			{
				ContactMap::iterator itCurContactMap = itContactMap;
				++itContactMap;
				CContact* pContact = itCurContactMap->second;
				if (pContact->GetVersion() <= 1)
					mapContacts.erase(itCurContactMap);
			}
			// Start file with 0 to prevent older clients from reading it.
			file.WriteUInt32(0);
			// Now tag it with a version which happens to be 2 (1 till 0.48a).
			file.WriteUInt32(3);
			file.WriteUInt32(1); // if we would use version >=3, this would mean that this is not a normal nodes.dat
			file.WriteUInt32((uint32_t)mapContacts.size());
			for (ContactMap::const_iterator itContactMap = mapContacts.begin(); itContactMap != mapContacts.end(); ++itContactMap)
			{
				CContact* pContact = itContactMap->second;
				pContact->GetClientID(&uID);
				file.WriteUInt128(&uID);
				file.WriteUInt32(pContact->GetIPAddress());
				file.WriteUInt16(pContact->GetUDPPort());
				file.WriteUInt16(pContact->GetTCPPort());
				file.WriteUInt8(pContact->GetVersion());
			}
			file.Close();
			AddDebugLogLine( false, _T("Wrote %ld contact to bootstrap file."), mapContacts.size());
		}
		else
			DebugLogError(_T("Unable to store Kad file: %s"), m_sFilename);
	}
	catch (CFileException* e)
	{
		e->Delete();
		AddDebugLogLine(false, _T("CFileException in CRoutingZone::writeFile"));
	}

}
Exemplo n.º 3
0
void CRoutingZone::WriteFile()
{
	// don't overwrite a bootstrap nodes.dat with an empty one, if we didn't finished probing
	if (!CKademlia::s_liBootstapList.IsEmpty() && GetNumContacts() == 0){
		DebugLogWarning(_T("Skipped storing nodes.dat, because we have an unfinished bootstrap of the nodes.dat version and no contacts in our routing table"));
		return;
	}
	try
	{
		// Write a saved contact list.
		CUInt128 uID;
		CSafeBufferedFile file;
		CFileException fexp;
		if (file.Open(m_sFilename, CFile::modeWrite | CFile::modeCreate | CFile::typeBinary|CFile::shareDenyWrite, &fexp))
		{
			setvbuf(file.m_pStream, NULL, _IOFBF, 32768);

			// The bootstrap method gets a very nice sample of contacts to save.
			ContactList listContacts;
			GetBootstrapContacts(&listContacts, 200);
			// Start file with 0 to prevent older clients from reading it.
			file.WriteUInt32(0);
			// Now tag it with a version which happens to be 2 (1 till 0.48a).
			file.WriteUInt32(2);
			// file.WriteUInt32(0) // if we would use version >=3, this would mean that this is a normal nodes.dat
			file.WriteUInt32((uint32_t)listContacts.size());
			for (ContactList::const_iterator itContactList = listContacts.begin(); itContactList != listContacts.end(); ++itContactList)
			{
				CContact* pContact = *itContactList;
				pContact->GetClientID(&uID);
				file.WriteUInt128(&uID);
				file.WriteUInt32(pContact->GetIPAddress());
				file.WriteUInt16(pContact->GetUDPPort());
				file.WriteUInt16(pContact->GetTCPPort());
				file.WriteUInt8(pContact->GetVersion());
				pContact->GetUDPKey().StoreToFile(file);
				file.WriteUInt8(pContact->IsIpVerified() ? 1 : 0);
			}
			file.Close();
			AddDebugLogLine( false, _T("Wrote %ld contact%s to file."), listContacts.size(), ((listContacts.size() == 1) ? _T("") : _T("s")));
		}
		else
			DebugLogError(_T("Unable to store Kad file: %s"), m_sFilename);
	}
	catch (CFileException* e)
	{
		e->Delete();
		AddDebugLogLine(false, _T("CFileException in CRoutingZone::writeFile"));
	}
}
Exemplo n.º 4
0
bool CServerList::SaveServermetToFile()
{
	if (thePrefs.GetLogFileSaving())
		AddDebugLogLine(false, _T("Saving servers list file \"%s\""), SERVER_MET_FILENAME);
	m_nLastSaved = ::GetTickCount(); 
	CString newservermet(thePrefs.GetMuleDirectory(EMULE_CONFIGDIR));
	newservermet += SERVER_MET_FILENAME _T(".new");
	CSafeBufferedFile servermet;
	CFileException fexp;
	if (!servermet.Open(newservermet, CFile::modeWrite|CFile::modeCreate|CFile::typeBinary|CFile::shareDenyWrite, &fexp)){
		CString strError(GetResString(IDS_ERR_SAVESERVERMET));
		TCHAR szError[MAX_CFEXP_ERRORMSG];
		if (fexp.GetErrorMessage(szError, ARRSIZE(szError))){
			strError += _T(" - ");
			strError += szError;
		}
		LogError(LOG_STATUSBAR, _T("%s"), strError);
		return false;
	}
	setvbuf(servermet.m_pStream, NULL, _IOFBF, 16384);
	
	try{
		servermet.WriteUInt8(0xE0);
		
		UINT fservercount = list.GetCount();
		servermet.WriteUInt32(fservercount);
		
		for (UINT j = 0; j < fservercount; j++)
		{
			const CServer* nextserver = GetServerAt(j);

			// don't write potential out-dated IPs of dynIP-servers
			servermet.WriteUInt32(nextserver->HasDynIP() ? 0 : nextserver->GetIP());
			servermet.WriteUInt16(nextserver->GetPort());
			
			UINT uTagCount = 0;
			ULONG uTagCountFilePos = (ULONG)servermet.GetPosition();
			servermet.WriteUInt32(uTagCount);

			if (!nextserver->GetListName().IsEmpty()){
				CTag servername(ST_SERVERNAME, nextserver->GetListName());
				servername.WriteTagToFile(&servermet, utf8strOptBOM);
				uTagCount++;
			}
			
			if (!nextserver->GetDynIP().IsEmpty()){
				CTag serverdynip(ST_DYNIP, nextserver->GetDynIP());
				serverdynip.WriteTagToFile(&servermet, utf8strOptBOM);
				uTagCount++;
			}
			
			if (!nextserver->GetDescription().IsEmpty()){
				CTag serverdesc(ST_DESCRIPTION, nextserver->GetDescription());
				serverdesc.WriteTagToFile(&servermet, utf8strOptBOM);
				uTagCount++;
			}
			
			if (nextserver->GetFailedCount()){
				CTag serverfail(ST_FAIL, nextserver->GetFailedCount());
				serverfail.WriteTagToFile(&servermet);
				uTagCount++;
			}
			
			if (nextserver->GetPreference() != SRV_PR_NORMAL){
				CTag serverpref(ST_PREFERENCE, nextserver->GetPreference());
				serverpref.WriteTagToFile(&servermet);
				uTagCount++;
			}
			
			if (nextserver->GetUsers()){
				CTag serveruser("users", nextserver->GetUsers());
				serveruser.WriteTagToFile(&servermet);
				uTagCount++;
			}
			
			if (nextserver->GetFiles()){
				CTag serverfiles("files", nextserver->GetFiles());
				serverfiles.WriteTagToFile(&servermet);
				uTagCount++;
			}
			
			if (nextserver->GetPing()){
				CTag serverping(ST_PING, nextserver->GetPing());
				serverping.WriteTagToFile(&servermet);
				uTagCount++;
			}
			
			if (nextserver->GetLastPingedTime()){
				CTag serverlastp(ST_LASTPING, nextserver->GetLastPingedTime());
				serverlastp.WriteTagToFile(&servermet);
				uTagCount++;
			}
			
			if (nextserver->GetMaxUsers()){
				CTag servermaxusers(ST_MAXUSERS, nextserver->GetMaxUsers());
				servermaxusers.WriteTagToFile(&servermet);
				uTagCount++;
			}
			
			if (nextserver->GetSoftFiles()){
				CTag softfiles(ST_SOFTFILES, nextserver->GetSoftFiles());
				softfiles.WriteTagToFile(&servermet);
				uTagCount++;
			}
			
			if (nextserver->GetHardFiles()){
				CTag hardfiles(ST_HARDFILES, nextserver->GetHardFiles());
				hardfiles.WriteTagToFile(&servermet);
				uTagCount++;
			}
			
			if (!nextserver->GetVersion().IsEmpty()){
				// as long as we don't receive an integer version tag from the local server (TCP) we store it as string
				CTag version(ST_VERSION, nextserver->GetVersion());
				version.WriteTagToFile(&servermet, utf8strOptBOM);
				uTagCount++;
			}
			
			if (nextserver->GetUDPFlags()){
				CTag tagUDPFlags(ST_UDPFLAGS, nextserver->GetUDPFlags());
				tagUDPFlags.WriteTagToFile(&servermet);
				uTagCount++;
			}
			
			if (nextserver->GetLowIDUsers()){
				CTag tagLowIDUsers(ST_LOWIDUSERS, nextserver->GetLowIDUsers());
				tagLowIDUsers.WriteTagToFile(&servermet);
				uTagCount++;
			}

			if (nextserver->GetServerKeyUDP(true)){
				CTag tagServerKeyUDP(ST_UDPKEY, nextserver->GetServerKeyUDP(true));
				tagServerKeyUDP.WriteTagToFile(&servermet);
				uTagCount++;
			}

			if (nextserver->GetServerKeyUDPIP()){
				CTag tagServerKeyUDPIP(ST_UDPKEYIP, nextserver->GetServerKeyUDPIP());
				tagServerKeyUDPIP.WriteTagToFile(&servermet);
				uTagCount++;
			}

			if (nextserver->GetObfuscationPortTCP()){
				CTag tagObfuscationPortTCP(ST_TCPPORTOBFUSCATION, nextserver->GetObfuscationPortTCP());
				tagObfuscationPortTCP.WriteTagToFile(&servermet);
				uTagCount++;
			}

			if (nextserver->GetObfuscationPortUDP()){
				CTag tagObfuscationPortUDP(ST_UDPPORTOBFUSCATION, nextserver->GetObfuscationPortUDP());
				tagObfuscationPortUDP.WriteTagToFile(&servermet);
				uTagCount++;
			}

			servermet.Seek(uTagCountFilePos, CFile::begin);
			servermet.WriteUInt32(uTagCount);
			servermet.SeekToEnd();
		}

		if (thePrefs.GetCommitFiles() >= 2 || (thePrefs.GetCommitFiles() >= 1 && !theApp.emuledlg->IsRunning())){
			servermet.Flush(); // flush file stream buffers to disk buffers
			if (_commit(_fileno(servermet.m_pStream)) != 0) // commit disk buffers to disk
				AfxThrowFileException(CFileException::hardIO, GetLastError(), servermet.GetFileName());
		}
		servermet.Close();

		CString curservermet(thePrefs.GetMuleDirectory(EMULE_CONFIGDIR));
		CString oldservermet(thePrefs.GetMuleDirectory(EMULE_CONFIGDIR));
		curservermet += SERVER_MET_FILENAME;
		oldservermet += _T("server_met.old");
		
		if (_taccess(oldservermet, 0) == 0)
			CFile::Remove(oldservermet);
		if (_taccess(curservermet, 0) == 0)
			CFile::Rename(curservermet,oldservermet);
		CFile::Rename(newservermet,curservermet);
	}
	catch(CFileException* error) {
		CString strError(GetResString(IDS_ERR_SAVESERVERMET2));
		TCHAR szError[MAX_CFEXP_ERRORMSG];
		if (error->GetErrorMessage(szError, ARRSIZE(szError))){
			strError += _T(" - ");
			strError += szError;
		}
		LogError(LOG_STATUSBAR, _T("%s"), strError);
		error->Delete();
		return false;
	}
	return true;
}