C++ CVariant::Get方法代码示例

void CKadHandler::HandleRouteReq(const CVariant& RouteReq, CKadNode* pNode, CComChannel* pChannel)
{
	if(GetParent<CKademlia>()->Cfg()->GetBool("DebugRU"))
		LogLine(LOG_DEBUG, L"Recived 'Route Resuest' from %s", pNode->GetID().ToHex().c_str());

	CVariant RouteRes(CVariant::EMap);

	SKadData* pData = pChannel->GetData<SKadData>();
	CPointer<CKadRelay> pRelay = pData->pLookup->Cast<CKadRelay>();
	if(!pRelay)
	{
		if(!RouteReq.Has("TID")) // this is optional it is not send on a refresn
			throw CException(LOG_ERROR, L"Invalid Lookup Request");

		if(pData->pLookup)
			throw CException(LOG_ERROR, L"Recived Route Resuest for a lookup that is not a CKadRelay");

		CLookupManager* pLookupManager = GetParent<CKademlia>()->Manager();
		pRelay = pLookupManager->GetRelayEx(RouteReq["EID"], RouteReq["TID"]); // find already existing relay for this Entity and target combination
		//ASSERT(pRelay == pLookupManager->GetLookup(RouteReq["LID"])->Cast<CKadRelay>()); // lookup ID should be consistent

		if(!pRelay)
		{
			pRelay = new CKadRelay(RouteReq["TID"], pLookupManager);
			if(pRelay->InitRelay(RouteReq)) // if false it means the lookup is invalid
			{
				pRelay->SetHopLimit(RouteReq.Get("JMPS"));
				pRelay->SetJumpCount(RouteReq.Get("HOPS"));

				pRelay->SetBrancheCount(RouteReq.Get("BRCH"));

				pRelay->SetLookupID(RouteReq["LID"]);
				pLookupManager->StartLookup(pRelay.Obj());

				if(RouteReq.Has("TRACE"))
					pRelay->EnableTrace();
			}
		}

		// For this cahnnel the relay was new, setup BC
		pData->pLookup = CPointer<CKadLookup>(pRelay, true); // weak pointer
		pChannel->AddUpLimit(pData->pLookup->GetUpLimit());
		pChannel->AddDownLimit(pData->pLookup->GetDownLimit());
	}

	string Error = pRelay->AddDownLink(pNode, pChannel); // add or update
	if(!Error.empty())
		RouteRes["ERR"] = Error;

	if(GetParent<CKademlia>()->Cfg()->GetBool("DebugRU"))
		LogLine(LOG_DEBUG, L"Sending 'Route Response' to %s", pNode->GetID().ToHex().c_str());
	pChannel->QueuePacket(KAD_ROUTE_RESPONSE, RouteRes);
}

CVariant CKadOperation::AddLoadRes(const CVariant& LoadRes, CKadNode* pNode)
{
	SOpProgress* pProgress = GetProgress(pNode);

	CVariant FilteredRes = LoadRes.Clone(false); // Make a Shellow Copy
	const CVariant& LoadedList = LoadRes["RES"];

	CVariant FilteredList;
	for(uint32 i=0; i < LoadedList.Count(); i++)
	{
		CVariant Loaded = LoadedList.At(i).Clone(false); // Make a Shellow Copy
		const CVariant& XID = Loaded["XID"];

		// Counting
		if(pProgress) // might be NULL if we filter our own index response right now
		{
			SOpStatus &Status = pProgress->Loads[XID];
			Status.Results++;
			if(!Loaded.Get("MORE"))
				Status.Done = true; // this marks that no more results are to be expected form this node
		}

		SOpStatus* pStatus = &m_LoadMap[XID].Status;
		pStatus->Results++;
		if(!pStatus->Done)
			pStatus->Done = IsDone(SOpProgress::GetLoads, XID);
		
		if(!pStatus->Done)
			Loaded.Insert("MORE", true);
		else
			Loaded.Remove("MORE");
		//

		if(Loaded.Has("ERR"))
		{
			FilteredList.Append(Loaded);
			continue;
		}

		// Filtering
		CVariant UniquePayloads;
		const CVariant& Payloads = Loaded["PLD"];
		for(uint32 j=0; j < Payloads.Count(); j++)
		{
			const CVariant& Payload = Payloads.At(j);
			if(m_LoadFilter[XID].insert(Payload["DATA"].GetFP()).second)
				UniquePayloads.Append(Payload);
		}

		// Note: we must add this even if UniquePayloads is empty or else we will misscount replys
		CVariant NewLoaded;
		NewLoaded["XID"] = XID;
		NewLoaded["PLD"] = UniquePayloads;
		FilteredList.Append(NewLoaded);
		//
	}

	FilteredRes.Insert("RES", FilteredList);
	return FilteredRes;
}

bool CKadScript::LoadData(const wstring& Path)
{
	CVariant Data;
	if(!ReadFile(Path, Data))
		return false;

	try
	{
		m_LastUsed = Data["LastUsed"].To<uint64>();
		if(!m_LastUsed)
			m_LastUsed = GetTime();

		m_Data->Set(Data["Data"]);

		if(Data.Has("KEY"))
		{
			CVariant SecretKey = Data["KEY"];
			if(SecretKey.Decrypt(GetParent<CKademlia>()->Root()->GetID().GetPrivateKey()))
			{
				m_SecretKey = new CAbstractKey;
				if(!m_SecretKey->SetKey(SecretKey.GetData(), SecretKey.GetSize()))
					m_SecretKey = NULL;
			}
		}

		m_Authentication = Data.Get("AUTH");
	}
	catch(const CException&)
	{
		return false;
	}
	return true;
}

void CKadHandler::HandleNodeReq(const CVariant& NodeReq, CKadNode* pNode, CComChannel* pChannel)
{
	if(GetParent<CKademlia>()->Cfg()->GetBool("DebugRT"))
		LogLine(LOG_DEBUG, L"Recived 'Node Resuest' to %s", pNode->GetID().ToHex().c_str());

	CVariant NodeRes;

	uint32 uDesiredCount = NodeReq["RCT"];
	if(uDesiredCount == 0)
		throw CException(LOG_ERROR, L"node requested 0 nodes");

	int iMaxState = NodeReq.Get("MNC", NODE_2ND_CLASS);

	NodeMap Nodes;
	if(!NodeReq.Has("TID"))
		GetParent<CKademlia>()->Root()->GetBootstrapNodes(GetParent<CKademlia>()->Root()->GetID(), Nodes, uDesiredCount, pChannel->GetAddress().GetProtocol(), iMaxState);
	else
		GetParent<CKademlia>()->Root()->GetClosestNodes(NodeReq["TID"], Nodes, uDesiredCount, pChannel->GetAddress().GetProtocol(), iMaxState);
	
	CVariant List;
	for(NodeMap::iterator I = Nodes.begin(); I != Nodes.end(); I++)
		List.Append(I->second->Store());
	NodeRes["LIST"] = List;

	if(GetParent<CKademlia>()->Cfg()->GetBool("DebugRT"))
		LogLine(LOG_DEBUG, L"Sending 'Node Response' to %s", pNode->GetID().ToHex().c_str());
	pChannel->QueuePacket(KAD_NODE_RESPONSE, NodeRes);
}

void CKadHandler::HandleRouteRes(const CVariant& RouteRes, CKadNode* pNode, CComChannel* pChannel)
{
	if(GetParent<CKademlia>()->Cfg()->GetBool("DebugRU"))
		LogLine(LOG_DEBUG, L"Recived 'Route Response' from %s", pNode->GetID().ToHex().c_str());

	SKadData* pData = pChannel->GetData<SKadData>();
	CKadRelay* pRelay = pData->pLookup->Cast<CKadRelay>();
	if(!pRelay)
		throw CException(LOG_ERROR, L"Recived Route Response for a lookup that is not a CKadRelay");

	// Note: this is for trace only, it does not have any deeper purpose
	if(pRelay->IsTraced())
	{
		CVariant Trace = RouteRes.Get("TRACE").Clone();
		Trace.Append(pNode->GetID());

		if(!pRelay->Inherits("CKadRoute")) // if its just a relay we have to relay the trace back
		{
			CVariant RouteRel;
			RouteRel["TID"] = RouteRes["TID"]; // pRelay->GetID()
			RouteRel["TRACE"] = Trace;

			if(CFrameRelay* pDownLink = pRelay->GetDownLink())
			{
				CFrameRelay::TRelayMap& DownNodes = pDownLink->GetNodes();
				for(CFrameRelay::TRelayMap::iterator I = DownNodes.begin(); I != DownNodes.end(); I++)
				{
					if(I->first.pChannel->IsConnected())
					{
						if(GetParent<CKademlia>()->Cfg()->GetBool("DebugLU"))
							LogLine(LOG_DEBUG, L"Relaying 'Route Response' from %s to %s", pNode->GetID().ToHex().c_str(), I->first.pNode->GetID().ToHex().c_str());
						I->first.pChannel->QueuePacket(KAD_ROUTE_RESPONSE, RouteRel);
					}
				}
			}
		}
		else
			pRelay->RecivedTraceResults(Trace);
	}

	if(RouteRes.Has("TRACE")) // if this is set its a pro forma trace response ignore it
		return;
	
	pRelay->UpLinkResponse(pNode, pChannel, RouteRes.Get("ERR"));
}

CVariant CKadOperation::AddStoreRes(const CVariant& StoreRes, CKadNode* pNode)
{
	SOpProgress* pProgress = GetProgress(pNode);

	CVariant FilteredRes = StoreRes.Clone(false); // Make a Shellow Copy
	const CVariant& StoredList = StoreRes["RES"];

	CVariant FilteredList;
	for(uint32 i=0; i < StoredList.Count(); i++)
	{
		CVariant Stored = StoredList.At(i).Clone(false); // Make a Shellow Copy
		const CVariant& XID = Stored["XID"];

		// Counting
		if(pProgress) // might be NULL if we filter our own index response right now
		{
			SOpStatus &Status = pProgress->Stores[XID];
			Status.Results++;
			if(!Stored.Get("MORE"))
				Status.Done = true; // this marks that no more results are to be expected form this node
		}

		SOpStatus* pStatus = &m_StoreMap[XID].Status;
		pStatus->Results++;
		if(!pStatus->Done)
			pStatus->Done = IsDone(SOpProgress::GetStores, XID);

		if(!pStatus->Done)
			Stored.Insert("MORE", true);
		else
			Stored.Remove("MORE");
		//

		//m_StoredCounter[Stored["XID"]].push_back(Stored.Get("EXP", 0)); // on error there is no EXP

		FilteredList.Append(Stored);
	}
	
	FilteredRes.Insert("RES", FilteredList);
	return FilteredRes;
}

CVariant CKadOperation::AddCallRes(const CVariant& CallRes, CKadNode* pNode)
{
	SOpProgress* pProgress = GetProgress(pNode);

	CVariant FilteredRes = CallRes.Clone(false); // Make a Shellow Copy
	const CVariant& Results = CallRes["RET"];

	CVariant Filtered;
	for(uint32 i=0; i < Results.Count(); i++)
	{
        CVariant Result = Results.At(i).Clone(false); // Make a Shellow Copy
		const CVariant& XID = Result["XID"];

		// this checks if this particular response is the last and and if this node is done
		if(pProgress) // might be NULL if we filter our own index response right now
		{
			SOpStatus &Status = pProgress->Calls[XID];
			Status.Results++;
			if(!Result.Get("MORE"))
				Status.Done = true; // this marks that no more results are to be expected form this node
		}

		SOpStatus* pStatus = NULL;
		TCallOpMap::iterator I = m_CallMap.find(XID);
		if(I != m_CallMap.end())
		{
			pStatus = &I->second.Status;
			pStatus->Results++; // count the response even if it gets filtered lateron
			if(!pStatus->Done)
				pStatus->Done = IsDone(SOpProgress::GetCalls, XID);
		}

		if(m_pOperator)
		{
			CKadOperator::TRequestMap& ResuestMap = m_pOperator->GetRequests();
			CKadOperator::TRequestMap::iterator I = ResuestMap.find(XID);
			if(I != ResuestMap.end()) // this should not fail
			{
				SOpStatus* pAuxStatus = &I->second.Status;
				pAuxStatus->Results++; // count the response even if it gets filtered lateron
				if(!pAuxStatus->Done)
					pAuxStatus->Done = IsDone(SOpProgress::GetCalls, XID);
			}
		}

		if(!Result.Has("ERR"))
		{
			if(m_pOperator && m_pOperator->IsValid())
			{
				try
				{
					if(m_pOperator->AddCallRes(Result["RET"], XID))
						continue; // intercepted response - Note: if we add a response to this request now it wil be marked as no more results if thats so
				}
				catch(const CJSException& Exception)
				{
					LogReport(Exception.GetFlag(), Exception.GetLine(), Exception.GetError());
				}
			}
		}
		//else 
		//	LogLine(LOG_ERROR | LOG_DEBUG, L"Got Execution Error %s", Result["ERR"].To<wstring>().c_str());

		// check if this is a call we issued, that is one not present in the call map, in that case its never to be relayed
		if(pStatus)
		{
			// UpdateMore sets the "MORE" flag on the packet we relay further down to the source, and checks if we considder this request done
			if(!pStatus->Done)
				Result.Insert("MORE", true);
			else
				Result.Remove("MORE");

			Filtered.Append(Result);
		}
	}

	if(m_pOperator) // add new result to the filtered list
		Filtered.Merge(m_pOperator->GetResponses());
	FilteredRes.Insert("RET", Filtered);
	return FilteredRes;
}

bool CKadHandler::ProcessPacket(const string& Name, const CVariant& Packet, CComChannel* pChannel)
{
	CKadNode* pNode = NULL;
	try
	{
		// Process cahnnel initialisation
		if(Name == KAD_INIT)
		{
			if(GetParent<CKademlia>()->Cfg()->GetBool("DebugTL"))
				LogLine(LOG_DEBUG, L"Recived 'Transaction Init' from %s", CUInt128(Packet["NID"]).ToHex().c_str());

			bool bAdded = false;
			SKadData* pData = pChannel->GetData<SKadData>(&bAdded);
			
			if(!pData->pNode)
			{
				pData->pNode = GetParent<CKademlia>()->Root()->GetNode(Packet["NID"]);
				if(!pData->pNode)
				{
					pData->pNode = new CKadNode(GetParent<CKademlia>()->Root());
					pData->pNode->SetID(Packet["NID"]);
					GetParent<CKademlia>()->Root()->AddNode(pData->pNode);
				}

				pChannel->AddUpLimit(pData->pNode->GetUpLimit());
				pChannel->AddDownLimit(pData->pNode->GetDownLimit());
			}
			else if(pData->pNode->GetID() != Packet["NID"])
				throw CException(LOG_ERROR, L"KadNode Miss Match"); // this should never ever happen!

			pData->pNode->SetProtocol(Packet["PROT"]);
			pData->pNode->SetVersion(Packet.Get("VER")); // Version is optional

			pData->Connected = true;

			if(bAdded) // if it was added it means its an incomming connectziona dnwe have to answer
			{
				SendInit(pData->pNode, pChannel);

				pData->pNode->UpdateAddress(pChannel->GetAddress()); // If this is incomming update addresses
			}
			return true;
		}
		else
		{
			if(SKadData* pData = pChannel->GetData<SKadData>())
				pNode = pData->pNode;
			if(!pNode || !pNode->GetParent())
				throw CException(LOG_WARNING, L"Kad Packet Recived %S on not initialized channel", Name.c_str());
		}

		if(Name.compare(KAD_CRYPTO_REQUEST) == 0)			HandleCryptoRequest(Packet, pNode, pChannel);
		else if(Name.compare(KAD_CRYPTO_RESPONSE) == 0)		HandleCryptoResponse(Packet, pNode, pChannel);

		else if(Name.compare(KAD_HELLO_REQUEST) == 0)		HandleHello(Packet, pNode, pChannel, true);
		else if(Name.compare(KAD_HELLO_RESPONSE) == 0)		HandleHello(Packet, pNode, pChannel, false);

		else if(Name.compare(KAD_NODE_REQUEST) == 0)		HandleNodeReq(Packet, pNode, pChannel);
		else if(Name.compare(KAD_NODE_RESPONSE) == 0)		HandleNodeRes(Packet, pNode, pChannel);

		// Lookup Handling
		else if(Name.compare(KAD_PROXY_REQUEST) == 0)		HandleProxyReq(Packet, pNode, pChannel);
		else if(Name.compare(KAD_PROXY_RESPONSE) == 0)		HandleProxyRes(Packet, pNode, pChannel);

		else if(Name.compare(KAD_CODE_REQUEST) == 0)		HandleCodeReq(Packet, pNode, pChannel);
		else if(Name.compare(KAD_CODE_RESPONSE) == 0)		HandleCodeRes(Packet, pNode, pChannel);

		else if(Name.compare(KAD_LOOKUP_MESSAGE) == 0)		HandleMessagePkt(Packet, pNode, pChannel);

		else if(Name.compare(KAD_EXECUTE_REQUEST) == 0)		HandleExecuteReq(Packet, pNode, pChannel);
		else if(Name.compare(KAD_EXECUTE_RESPONSE) == 0)	HandleExecuteRes(Packet, pNode, pChannel);

		else if(Name.compare(KAD_STORE_REQUEST) == 0)		HandleStoreReq(Packet, pNode, pChannel);
		else if(Name.compare(KAD_STORE_RESPONSE) == 0)		HandleStoreRes(Packet, pNode, pChannel);

		else if(Name.compare(KAD_LOAD_REQUEST) == 0)		HandleLoadReq(Packet, pNode, pChannel);
		else if(Name.compare(KAD_LOAD_RESPONSE) == 0)		HandleLoadRes(Packet, pNode, pChannel);

		else if(Name.compare(KAD_LOOKUP_REPORT) == 0)		HandleReportPkt(Packet, pNode, pChannel);

		// Routing Handling
		else if(Name.compare(KAD_ROUTE_REQUEST) == 0)		HandleRouteReq(Packet, pNode, pChannel);
		else if(Name.compare(KAD_ROUTE_RESPONSE) == 0)		HandleRouteRes(Packet, pNode, pChannel);

		else if(Name.compare(KAD_RELAY_REQUEST) == 0)		HandleRelayReq(Packet, pNode, pChannel);
		else if(Name.compare(KAD_RELAY_RESPONSE) == 0)		HandleRelayRes(Packet, pNode, pChannel);
		else if(Name.compare(KAD_RELAY_RETURN) == 0)		HandleRelayRet(Packet, pNode, pChannel);

		else if(Name.compare(KAD_RELAY_CONTROL) == 0)		HandleRelayCtrl(Packet, pNode, pChannel);
		else if(Name.compare(KAD_RELAY_STATUS) == 0)		HandleRelayStat(Packet, pNode, pChannel);

		else 
			throw CException(LOG_WARNING, L"Unsupported Kad Packet Recived %S", Name.c_str());
	}
	catch(const CException& Exception)
	{
		LogLine(Exception.GetFlag(), L"Packet \'%S\' Error: '%s' from: %s (%s)", Name.c_str(), Exception.GetLine().c_str(), pNode ? pNode->GetID().ToHex().c_str() : L"Unknown", pChannel->GetAddress().ToString().c_str());
		pChannel->Close();
		return false;
	}
//.........这里部分代码省略.........