849 lines
		
	
	
	
		
			26 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			849 lines
		
	
	
	
		
			26 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "mtp.h"
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#include "localstorage.h"
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namespace {
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	typedef QMap<int32, MTProtoSessionPtr> Sessions;
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	Sessions sessions;
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	QVector<MTProtoSessionPtr> sessionsToKill;
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	MTProtoSessionPtr mainSession;
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	typedef QMap<mtpRequestId, int32> RequestsByDC; // holds dcWithShift for request to this dc or -dc for request to main dc
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	RequestsByDC requestsByDC;
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	QMutex requestByDCLock;
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	typedef QMap<mtpRequestId, int32> AuthExportRequests; // holds target dcWithShift for auth export request
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	AuthExportRequests authExportRequests;
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	bool _started = false;
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	uint32 layer;
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	typedef QMap<mtpRequestId, RPCResponseHandler> ParserMap;
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	ParserMap parserMap;
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	QMutex parserMapLock;
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	typedef QMap<mtpRequestId, mtpRequest> RequestMap;
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	RequestMap requestMap;
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	QReadWriteLock requestMapLock;
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	typedef QPair<mtpRequestId, uint64> DelayedRequest;
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	typedef QList<DelayedRequest> DelayedRequestsList;
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	DelayedRequestsList delayedRequests;
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	typedef QMap<mtpRequestId, int32> RequestsDelays;
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	RequestsDelays requestsDelays;
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	typedef QSet<mtpRequestId> BadGuestDCRequests;
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	BadGuestDCRequests badGuestDCRequests;
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	typedef QVector<mtpRequestId> DCAuthWaiters;
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	typedef QMap<int32, DCAuthWaiters> AuthWaiters; // holds request ids waiting for auth import to specific dc
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	AuthWaiters authWaiters;
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	QMutex toClearLock;
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	RPCCallbackClears toClear;
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	RPCResponseHandler globalHandler;
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	MTPStateChangedHandler stateChangedHandler = 0;
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	MTPSessionResetHandler sessionResetHandler = 0;
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	_mtp_internal::RequestResender *resender = 0;
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	void importDone(const MTPauth_Authorization &result, mtpRequestId req) {
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		QMutexLocker locker1(&requestByDCLock);
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		RequestsByDC::iterator i = requestsByDC.find(req);
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		if (i == requestsByDC.end()) {
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			LOG(("MTP Error: auth import request not found in requestsByDC, requestId: %1").arg(req));
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			RPCError error(rpcClientError("AUTH_IMPORT_FAIL", QString("did not find import request in requestsByDC, request %1").arg(req)));
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			if (globalHandler.onFail && MTP::authedId()) (*globalHandler.onFail)(req, error); // auth failed in main dc
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			return;
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		}
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		int32 newdc = i.value() % _mtp_internal::dcShift;
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		DEBUG_LOG(("MTP Info: auth import to dc %1 succeeded").arg(newdc));
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		DCAuthWaiters &waiters(authWaiters[newdc]);
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		if (waiters.size()) {
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			QReadLocker locker(&requestMapLock);
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			for (DCAuthWaiters::iterator i = waiters.begin(), e = waiters.end(); i != e; ++i) {
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				mtpRequestId requestId = *i;
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				RequestMap::const_iterator j = requestMap.constFind(requestId);
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				if (j == requestMap.cend()) {
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					LOG(("MTP Error: could not find request %1 for resending").arg(requestId));
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					continue;
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				}
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				int32 dcWithShift = newdc;
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				{
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					RequestsByDC::iterator k = requestsByDC.find(requestId);
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					if (k == requestsByDC.cend()) {
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						LOG(("MTP Error: could not find request %1 by dc for resending").arg(requestId));
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						continue;
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					}
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					if (k.value() < 0) {
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						MTP::setdc(newdc);
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						k.value() = -newdc;
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					} else {
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						int32 shift = k.value() - (k.value() % _mtp_internal::dcShift);
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						dcWithShift += shift;
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						k.value() = dcWithShift;
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					}
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					DEBUG_LOG(("MTP Info: resending request %1 to dc %2 after import auth").arg(requestId).arg(k.value()));
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				}
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				if (MTProtoSessionPtr session = _mtp_internal::getSession(dcWithShift)) {
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					session->sendPrepared(j.value());
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				}
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			}
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			waiters.clear();
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		}
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	}
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	bool importFail(const RPCError &error, mtpRequestId req) {
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		if (error.type().startsWith(qsl("FLOOD_WAIT_"))) return false;
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		if (globalHandler.onFail && MTP::authedId()) (*globalHandler.onFail)(req, error); // auth import failed
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		return true;
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	}
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	void exportDone(const MTPauth_ExportedAuthorization &result, mtpRequestId req) {
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		AuthExportRequests::const_iterator i = authExportRequests.constFind(req);
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		if (i == authExportRequests.cend()) {
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			LOG(("MTP Error: auth export request target dcWithShift not found, requestId: %1").arg(req));
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			RPCError error(rpcClientError("AUTH_IMPORT_FAIL", QString("did not find target dcWithShift, request %1").arg(req)));
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			if (globalHandler.onFail && MTP::authedId()) (*globalHandler.onFail)(req, error); // auth failed in main dc
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			return;
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		}
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		const MTPDauth_exportedAuthorization &data(result.c_auth_exportedAuthorization());
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		MTP::send(MTPauth_ImportAuthorization(data.vid, data.vbytes), rpcDone(importDone), rpcFail(importFail), i.value());
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		authExportRequests.remove(req);
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	}
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	bool exportFail(const RPCError &error, mtpRequestId req) {
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		if (error.type().startsWith(qsl("FLOOD_WAIT_"))) return false;
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		AuthExportRequests::const_iterator i = authExportRequests.constFind(req);
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		if (i != authExportRequests.cend()) {
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			authWaiters[i.value() % _mtp_internal::dcShift].clear();
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		}
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		if (globalHandler.onFail && MTP::authedId()) (*globalHandler.onFail)(req, error); // auth failed in main dc
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		return true;
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	}
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	bool onErrorDefault(mtpRequestId requestId, const RPCError &error) {
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		const QString &err(error.type());
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		int32 code = error.code();
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		bool badGuestDC = (code == 400) && (err == qsl("FILE_ID_INVALID"));
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        QRegularExpressionMatch m;
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		if ((m = QRegularExpression("^(FILE|PHONE|NETWORK|USER)_MIGRATE_(\\d+)$").match(err)).hasMatch()) {
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			if (!requestId) return false;
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			int32 dcWithShift = 0, newdcWithShift = m.captured(2).toInt();
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			{
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				QMutexLocker locker(&requestByDCLock);
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				RequestsByDC::iterator i = requestsByDC.find(requestId);
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				if (i == requestsByDC.end()) {
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					LOG(("MTP Error: could not find request %1 for migrating to %2").arg(requestId).arg(newdcWithShift));
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				} else {
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					dcWithShift = i.value();
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				}
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			}
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			if (!dcWithShift || !newdcWithShift) return false;
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			DEBUG_LOG(("MTP Info: changing request %1 from dcWithShift%2 to dc%3").arg(requestId).arg(dcWithShift).arg(newdcWithShift));
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			if (dcWithShift < 0) { // newdc shift = 0
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				if (false && MTP::authedId() && !authExportRequests.contains(requestId)) { // migrate not supported at this moment
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					DEBUG_LOG(("MTP Info: importing auth to dc %1").arg(newdcWithShift));
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					DCAuthWaiters &waiters(authWaiters[newdcWithShift]);
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					if (!waiters.size()) {
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						authExportRequests.insert(MTP::send(MTPauth_ExportAuthorization(MTP_int(newdcWithShift)), rpcDone(exportDone), rpcFail(exportFail)), newdcWithShift);
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					}
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					waiters.push_back(requestId);
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					return true;
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				} else {
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					MTP::setdc(newdcWithShift);
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				}
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			} else {
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				int32 shift = dcWithShift - (dcWithShift % _mtp_internal::dcShift);
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				newdcWithShift += shift;
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			}
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			mtpRequest req;
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			{
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				QReadLocker locker(&requestMapLock);
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				RequestMap::const_iterator i = requestMap.constFind(requestId);
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				if (i == requestMap.cend()) {
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					LOG(("MTP Error: could not find request %1").arg(requestId));
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					return false;
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				}
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				req = i.value();
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			}
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			if (MTProtoSessionPtr session = _mtp_internal::getSession(newdcWithShift)) {
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				_mtp_internal::registerRequest(requestId, (dcWithShift < 0) ? -newdcWithShift : newdcWithShift);
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				session->sendPrepared(req);
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			}
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			return true;
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		} else if (code < 0 || code >= 500 || (m = QRegularExpression("^FLOOD_WAIT_(\\d+)$").match(err)).hasMatch()) {
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			if (!requestId) return false;
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			int32 secs = 1;
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			if (code < 0 || code >= 500) {
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				RequestsDelays::iterator i = requestsDelays.find(requestId);
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				if (i != requestsDelays.cend()) {
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					secs = (i.value() > 60) ? i.value() : (i.value() *= 2);
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				} else {
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					requestsDelays.insert(requestId, secs);
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				}
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			} else {
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				secs = m.captured(1).toInt();
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				if (secs >= 60) return false;
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			}
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			uint64 sendAt = getms(true) + secs * 1000 + 10;
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			DelayedRequestsList::iterator i = delayedRequests.begin(), e = delayedRequests.end();
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			for (; i != e; ++i) {
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				if (i->first == requestId) return true;
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				if (i->second > sendAt) break;
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			}
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			delayedRequests.insert(i, DelayedRequest(requestId, sendAt));
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			if (resender) resender->checkDelayed();
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			return true;
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		} else if (code == 401 || (badGuestDC && badGuestDCRequests.constFind(requestId) == badGuestDCRequests.cend())) {
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			int32 dcWithShift = 0;
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			{
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				QMutexLocker locker(&requestByDCLock);
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				RequestsByDC::iterator i = requestsByDC.find(requestId);
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				if (i != requestsByDC.end()) {
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					dcWithShift = i.value();
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				} else {
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					LOG(("MTP Error: unauthorized request without dc info, requestId %1").arg(requestId));
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				}
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			}
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			int32 newdc = abs(dcWithShift) % _mtp_internal::dcShift;
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			if (!newdc || newdc == mtpMainDC() || !MTP::authedId()) {
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				if (!badGuestDC && globalHandler.onFail) (*globalHandler.onFail)(requestId, error); // auth failed in main dc
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				return false;
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			}
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			DEBUG_LOG(("MTP Info: importing auth to dcWithShift %1").arg(dcWithShift));
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			DCAuthWaiters &waiters(authWaiters[newdc]);
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			if (!waiters.size()) {
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				authExportRequests.insert(MTP::send(MTPauth_ExportAuthorization(MTP_int(newdc)), rpcDone(exportDone), rpcFail(exportFail)), abs(dcWithShift));
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			}
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			waiters.push_back(requestId);
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			if (badGuestDC) badGuestDCRequests.insert(requestId);
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			return true;
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		} else if (err == qsl("CONNECTION_NOT_INITED") || err == qsl("CONNECTION_LAYER_INVALID")) {
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			mtpRequest req;
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			{
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				QReadLocker locker(&requestMapLock);
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				RequestMap::const_iterator i = requestMap.constFind(requestId);
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				if (i == requestMap.cend()) {
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					LOG(("MTP Error: could not find request %1").arg(requestId));
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					return false;
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				}
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				req = i.value();
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			}
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			int32 dcWithShift = 0;
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			{
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				QMutexLocker locker(&requestByDCLock);
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				RequestsByDC::iterator i = requestsByDC.find(requestId);
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				if (i == requestsByDC.end()) {
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					LOG(("MTP Error: could not find request %1 for resending with init connection").arg(requestId));
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				} else {
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					dcWithShift = i.value();
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				}
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			}
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			if (!dcWithShift) return false;
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			if (MTProtoSessionPtr session = _mtp_internal::getSession(dcWithShift < 0 ? (-dcWithShift) : dcWithShift)) {
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				req->needsLayer = true;
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				session->sendPrepared(req);
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			}
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			return true;
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		} else if (err == qsl("MSG_WAIT_FAILED")) {
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			mtpRequest req;
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			{
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				QReadLocker locker(&requestMapLock);
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				RequestMap::const_iterator i = requestMap.constFind(requestId);
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				if (i == requestMap.cend()) {
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					LOG(("MTP Error: could not find request %1").arg(requestId));
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					return false;
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				}
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				req = i.value();
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			}
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			if (!req->after) {
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				LOG(("MTP Error: wait failed for not dependent request %1").arg(requestId));
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				return false;
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			}
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			int32 dcWithShift = 0;
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			{
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				QMutexLocker locker(&requestByDCLock);
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				RequestsByDC::iterator i = requestsByDC.find(requestId), j = requestsByDC.find(req->after->requestId);
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				if (i == requestsByDC.end()) {
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					LOG(("MTP Error: could not find request %1 by dc").arg(requestId));
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				} else if (j == requestsByDC.end()) {
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					LOG(("MTP Error: could not find dependent request %1 by dc").arg(req->after->requestId));
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				} else {
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					dcWithShift = i.value();
 | 
						|
					if (i.value() != j.value()) {
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						req->after = mtpRequest();
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					}
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				}
 | 
						|
			}
 | 
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			if (!dcWithShift) return false;
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						|
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						|
			if (!req->after) {
 | 
						|
				if (MTProtoSessionPtr session = _mtp_internal::getSession(dcWithShift < 0 ? (-dcWithShift) : dcWithShift)) {
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						|
					req->needsLayer = true;
 | 
						|
					session->sendPrepared(req);
 | 
						|
				}
 | 
						|
			} else {
 | 
						|
				int32 newdc = abs(dcWithShift) % _mtp_internal::dcShift;
 | 
						|
				DCAuthWaiters &waiters(authWaiters[newdc]);
 | 
						|
				if (waiters.indexOf(req->after->requestId) >= 0) {
 | 
						|
					if (waiters.indexOf(requestId) < 0) {
 | 
						|
						waiters.push_back(requestId);
 | 
						|
					}
 | 
						|
					if (badGuestDCRequests.constFind(req->after->requestId) != badGuestDCRequests.cend()) {
 | 
						|
						if (badGuestDCRequests.constFind(requestId) == badGuestDCRequests.cend()) {
 | 
						|
							badGuestDCRequests.insert(requestId);
 | 
						|
						}
 | 
						|
					}
 | 
						|
				} else {
 | 
						|
					uint64 at = 0;
 | 
						|
					DelayedRequestsList::iterator i = delayedRequests.begin(), e = delayedRequests.end();
 | 
						|
					for (; i != e; ++i) {
 | 
						|
						if (i->first == requestId) return true;
 | 
						|
						if (i->first == req->after->requestId) break;
 | 
						|
					}
 | 
						|
					if (i != e) {
 | 
						|
						delayedRequests.insert(i, DelayedRequest(requestId, i->second));
 | 
						|
					}
 | 
						|
 | 
						|
					if (resender) resender->checkDelayed();
 | 
						|
				}
 | 
						|
			}
 | 
						|
			return true;
 | 
						|
		}
 | 
						|
		if (badGuestDC) badGuestDCRequests.remove(requestId);
 | 
						|
		return false;
 | 
						|
	}
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
namespace _mtp_internal {
 | 
						|
	MTProtoSessionPtr getSession(int32 dcWithShift) {
 | 
						|
		if (!_started) return MTProtoSessionPtr();
 | 
						|
		if (!dcWithShift) return mainSession;
 | 
						|
		if (!(dcWithShift % _mtp_internal::dcShift)) {
 | 
						|
			dcWithShift += (mainSession->getDcWithShift() % _mtp_internal::dcShift);
 | 
						|
		}
 | 
						|
		
 | 
						|
		Sessions::const_iterator i = sessions.constFind(dcWithShift);
 | 
						|
		if (i != sessions.cend()) return *i;
 | 
						|
 | 
						|
		MTProtoSessionPtr result(new MTProtoSession());
 | 
						|
		result->start(dcWithShift);
 | 
						|
		
 | 
						|
		sessions.insert(dcWithShift, result);
 | 
						|
		return result;
 | 
						|
	}
 | 
						|
	
 | 
						|
	void registerRequest(mtpRequestId requestId, int32 dcWithShift) {
 | 
						|
		{
 | 
						|
			QMutexLocker locker(&requestByDCLock);
 | 
						|
			requestsByDC.insert(requestId, dcWithShift);
 | 
						|
		}
 | 
						|
		_mtp_internal::performDelayedClear(); // need to do it somewhere..
 | 
						|
	}
 | 
						|
 | 
						|
	void unregisterRequest(mtpRequestId requestId) {
 | 
						|
		requestsDelays.remove(requestId);
 | 
						|
 | 
						|
		{
 | 
						|
			QWriteLocker locker(&requestMapLock);
 | 
						|
			requestMap.remove(requestId);
 | 
						|
		}
 | 
						|
 | 
						|
		QMutexLocker locker(&requestByDCLock);
 | 
						|
		requestsByDC.remove(requestId);
 | 
						|
	}
 | 
						|
 | 
						|
	mtpRequestId storeRequest(mtpRequest &request, const RPCResponseHandler &parser) {
 | 
						|
		mtpRequestId res = reqid();
 | 
						|
		request->requestId = res;
 | 
						|
		if (parser.onDone || parser.onFail) {
 | 
						|
			QMutexLocker locker(&parserMapLock);
 | 
						|
			parserMap.insert(res, parser);
 | 
						|
		}
 | 
						|
		{
 | 
						|
			QWriteLocker locker(&requestMapLock);
 | 
						|
			requestMap.insert(res, request);
 | 
						|
		}
 | 
						|
		return res;
 | 
						|
	}
 | 
						|
 | 
						|
	mtpRequest getRequest(mtpRequestId reqId) {
 | 
						|
		static mtpRequest zero;
 | 
						|
		mtpRequest req;
 | 
						|
		{
 | 
						|
			QReadLocker locker(&requestMapLock);
 | 
						|
			RequestMap::const_iterator i = requestMap.constFind(reqId);
 | 
						|
			req = (i == requestMap.cend()) ? zero : i.value();
 | 
						|
		}
 | 
						|
		return req;
 | 
						|
	}
 | 
						|
 | 
						|
	void wrapInvokeAfter(mtpRequest &to, const mtpRequest &from, const mtpRequestMap &haveSent, int32 skipBeforeRequest) {
 | 
						|
		mtpMsgId afterId(*(mtpMsgId*)(from->after->data() + 4));
 | 
						|
		mtpRequestMap::const_iterator i = afterId ? haveSent.constFind(afterId) : haveSent.cend();
 | 
						|
		int32 size = to->size(), lenInInts = (from.innerLength() >> 2), headlen = 4, fulllen = headlen + lenInInts;
 | 
						|
		if (i == haveSent.constEnd()) { // no invoke after or such msg was not sent or was completed recently
 | 
						|
			to->resize(size + fulllen + skipBeforeRequest);
 | 
						|
			if (skipBeforeRequest) {
 | 
						|
				memcpy(to->data() + size, from->constData() + 4, headlen * sizeof(mtpPrime));
 | 
						|
				memcpy(to->data() + size + headlen + skipBeforeRequest, from->constData() + 4 + headlen, lenInInts * sizeof(mtpPrime));
 | 
						|
			} else {
 | 
						|
				memcpy(to->data() + size, from->constData() + 4, fulllen * sizeof(mtpPrime));
 | 
						|
			}
 | 
						|
		} else {
 | 
						|
			to->resize(size + fulllen + skipBeforeRequest + 3);
 | 
						|
			memcpy(to->data() + size, from->constData() + 4, headlen * sizeof(mtpPrime));
 | 
						|
			(*to)[size + 3] += 3 * sizeof(mtpPrime);
 | 
						|
			*((mtpTypeId*)&((*to)[size + headlen + skipBeforeRequest])) = mtpc_invokeAfterMsg;
 | 
						|
			memcpy(to->data() + size + headlen + skipBeforeRequest + 1, &afterId, 2 * sizeof(mtpPrime));
 | 
						|
			memcpy(to->data() + size + headlen + skipBeforeRequest + 3, from->constData() + 4 + headlen, lenInInts * sizeof(mtpPrime));
 | 
						|
			if (size + 3 != 7) (*to)[7] += 3 * sizeof(mtpPrime);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	void clearCallbacks(mtpRequestId requestId, int32 errorCode) {
 | 
						|
		RPCResponseHandler h;
 | 
						|
		bool found = false;
 | 
						|
		{
 | 
						|
			QMutexLocker locker(&parserMapLock);
 | 
						|
			ParserMap::iterator i = parserMap.find(requestId);
 | 
						|
			if (i != parserMap.end()) {
 | 
						|
				h = i.value();
 | 
						|
				found = true;
 | 
						|
 | 
						|
				parserMap.erase(i);
 | 
						|
			}
 | 
						|
		}
 | 
						|
		if (errorCode && found) {
 | 
						|
			rpcErrorOccured(requestId, h, rpcClientError("CLEAR_CALLBACK", QString("did not handle request %1, error code %2").arg(requestId).arg(errorCode)));
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	void clearCallbacksDelayed(const RPCCallbackClears &requestIds) {
 | 
						|
		uint32 idsCount = requestIds.size();
 | 
						|
		if (!idsCount) return;
 | 
						|
 | 
						|
		if (cDebug()) {
 | 
						|
			QString idsStr = QString("%1").arg(requestIds[0].requestId);
 | 
						|
			for (uint32 i = 1; i < idsCount; ++i) {
 | 
						|
				idsStr += QString(", %1").arg(requestIds[i].requestId);
 | 
						|
			}
 | 
						|
			DEBUG_LOG(("RPC Info: clear callbacks delayed, msgIds: %1").arg(idsStr));
 | 
						|
		}
 | 
						|
 | 
						|
		QMutexLocker lock(&toClearLock);
 | 
						|
		uint32 toClearNow = toClear.size();
 | 
						|
		if (toClearNow) {
 | 
						|
			toClear.resize(toClearNow + idsCount);
 | 
						|
			memcpy(toClear.data() + toClearNow, requestIds.constData(), idsCount * sizeof(RPCCallbackClear));
 | 
						|
		} else {
 | 
						|
			toClear = requestIds;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	void performDelayedClear() {
 | 
						|
		QMutexLocker lock(&toClearLock);
 | 
						|
		if (!toClear.isEmpty()) {
 | 
						|
			for (RPCCallbackClears::iterator i = toClear.begin(), e = toClear.end(); i != e; ++i) {
 | 
						|
				if (cDebug()) {
 | 
						|
					QMutexLocker locker(&parserMapLock);
 | 
						|
					if (parserMap.find(i->requestId) != parserMap.end()) {
 | 
						|
						DEBUG_LOG(("RPC Info: clearing delayed callback %1, error code %2").arg(i->requestId).arg(i->errorCode));
 | 
						|
					}
 | 
						|
				}
 | 
						|
				clearCallbacks(i->requestId, i->errorCode);
 | 
						|
				_mtp_internal::unregisterRequest(i->requestId);
 | 
						|
			}
 | 
						|
			toClear.clear();
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	void execCallback(mtpRequestId requestId, const mtpPrime *from, const mtpPrime *end) {
 | 
						|
		RPCResponseHandler h;
 | 
						|
		{
 | 
						|
			QMutexLocker locker(&parserMapLock);
 | 
						|
			ParserMap::iterator i = parserMap.find(requestId);
 | 
						|
			if (i != parserMap.cend()) {
 | 
						|
				h = i.value();
 | 
						|
				parserMap.erase(i);
 | 
						|
 | 
						|
				DEBUG_LOG(("RPC Info: found parser for request %1, trying to parse response..").arg(requestId));
 | 
						|
			}
 | 
						|
		}
 | 
						|
		if (h.onDone || h.onFail) {
 | 
						|
			try {
 | 
						|
				if (from >= end) throw mtpErrorInsufficient();
 | 
						|
 | 
						|
				if (*from == mtpc_rpc_error) {
 | 
						|
					RPCError err(MTPRpcError(from, end));
 | 
						|
					DEBUG_LOG(("RPC Info: error received, code %1, type %2, description: %3").arg(err.code()).arg(err.type()).arg(err.description()));
 | 
						|
					if (!rpcErrorOccured(requestId, h, err)) {
 | 
						|
						QMutexLocker locker(&parserMapLock);
 | 
						|
						parserMap.insert(requestId, h);
 | 
						|
						return;
 | 
						|
					}
 | 
						|
				} else {
 | 
						|
					if (h.onDone) (*h.onDone)(requestId, from, end);
 | 
						|
				}
 | 
						|
			} catch (Exception &e) {
 | 
						|
				if (!rpcErrorOccured(requestId, h, rpcClientError("RESPONSE_PARSE_FAILED", QString("exception text: ") + e.what()))) {
 | 
						|
					QMutexLocker locker(&parserMapLock);
 | 
						|
					parserMap.insert(requestId, h);
 | 
						|
					return;
 | 
						|
				}
 | 
						|
			}
 | 
						|
		} else {
 | 
						|
			DEBUG_LOG(("RPC Info: parser not found for %1").arg(requestId));
 | 
						|
		}
 | 
						|
		unregisterRequest(requestId);
 | 
						|
	}
 | 
						|
 | 
						|
	bool hasCallbacks(mtpRequestId requestId) {
 | 
						|
		QMutexLocker locker(&parserMapLock);
 | 
						|
		ParserMap::iterator i = parserMap.find(requestId);
 | 
						|
		return (i != parserMap.cend());
 | 
						|
	}
 | 
						|
 | 
						|
	void globalCallback(const mtpPrime *from, const mtpPrime *end) {
 | 
						|
		if (globalHandler.onDone) (*globalHandler.onDone)(0, from, end); // some updates were received
 | 
						|
	}
 | 
						|
 | 
						|
	void onStateChange(int32 dcWithShift, int32 state) {
 | 
						|
		if (stateChangedHandler) stateChangedHandler(dcWithShift, state);
 | 
						|
	}
 | 
						|
 | 
						|
	void onSessionReset(int32 dcWithShift) {
 | 
						|
		if (sessionResetHandler) sessionResetHandler(dcWithShift);
 | 
						|
	}
 | 
						|
 | 
						|
	bool rpcErrorOccured(mtpRequestId requestId, const RPCFailHandlerPtr &onFail, const RPCError &err) { // return true if need to clean request data
 | 
						|
		if (err.type().startsWith(qsl("FLOOD_WAIT_"))) {
 | 
						|
			if (onFail && (*onFail)(requestId, err)) return true;
 | 
						|
		}
 | 
						|
 | 
						|
		if (onErrorDefault(requestId, err)) {
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
		LOG(("RPC Error: request %1 got fail with code %2, error %3%4").arg(requestId).arg(err.code()).arg(err.type()).arg(err.description().isEmpty() ? QString() : QString(": %1").arg(err.description())));
 | 
						|
		onFail && (*onFail)(requestId, err);
 | 
						|
		return true;
 | 
						|
	}
 | 
						|
 | 
						|
	RequestResender::RequestResender() {
 | 
						|
		connect(&_timer, SIGNAL(timeout()), this, SLOT(checkDelayed()));
 | 
						|
	}
 | 
						|
 | 
						|
	void RequestResender::checkDelayed() {
 | 
						|
		uint64 now = getms(true);
 | 
						|
		while (!delayedRequests.isEmpty() && now >= delayedRequests.front().second) {
 | 
						|
			mtpRequestId requestId = delayedRequests.front().first;
 | 
						|
			delayedRequests.pop_front();
 | 
						|
 | 
						|
			int32 dcWithShift = 0;
 | 
						|
			{
 | 
						|
				QMutexLocker locker(&requestByDCLock);
 | 
						|
				RequestsByDC::const_iterator i = requestsByDC.constFind(requestId);
 | 
						|
				if (i != requestsByDC.cend()) {
 | 
						|
					dcWithShift = i.value();
 | 
						|
				} else {
 | 
						|
					LOG(("MTP Error: could not find request dc for delayed resend, requestId %1").arg(requestId));
 | 
						|
					continue;
 | 
						|
				}
 | 
						|
			}
 | 
						|
 | 
						|
			mtpRequest req;
 | 
						|
			{
 | 
						|
				QReadLocker locker(&requestMapLock);
 | 
						|
				RequestMap::const_iterator j = requestMap.constFind(requestId);
 | 
						|
				if (j == requestMap.cend()) {
 | 
						|
					DEBUG_LOG(("MTP Error: could not find request %1").arg(requestId));
 | 
						|
					continue;
 | 
						|
				}
 | 
						|
				req = j.value();
 | 
						|
			}
 | 
						|
			if (MTProtoSessionPtr session = _mtp_internal::getSession(dcWithShift < 0 ? (-dcWithShift) : dcWithShift)) {
 | 
						|
				session->sendPrepared(req);
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if (!delayedRequests.isEmpty()) {
 | 
						|
			_timer.start(delayedRequests.front().second - now);
 | 
						|
		}
 | 
						|
	}
 | 
						|
};
 | 
						|
 | 
						|
namespace MTP {
 | 
						|
 | 
						|
    void start() {
 | 
						|
		if (started()) return;
 | 
						|
 | 
						|
        unixtimeInit();
 | 
						|
 | 
						|
		MTProtoDCMap &dcs(mtpDCMap());
 | 
						|
 | 
						|
		mainSession = MTProtoSessionPtr(new MTProtoSession());
 | 
						|
		mainSession->start(mtpMainDC());
 | 
						|
		sessions[mainSession->getDcWithShift()] = mainSession;
 | 
						|
 | 
						|
		_started = true;
 | 
						|
		resender = new _mtp_internal::RequestResender();
 | 
						|
 | 
						|
		if (mtpNeedConfig()) {
 | 
						|
			mtpConfigLoader()->load();
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	bool started() {
 | 
						|
		return _started;
 | 
						|
	}
 | 
						|
 | 
						|
	void restart() {
 | 
						|
		if (!_started) return;
 | 
						|
 | 
						|
		for (Sessions::const_iterator i = sessions.cbegin(), e = sessions.cend(); i != e; ++i) {
 | 
						|
			(*i)->restart();
 | 
						|
		}
 | 
						|
	}
 | 
						|
	void restart(int32 dcMask) {
 | 
						|
		if (!_started) return;
 | 
						|
 | 
						|
		dcMask %= _mtp_internal::dcShift;
 | 
						|
		for (Sessions::const_iterator i = sessions.cbegin(), e = sessions.cend(); i != e; ++i) {
 | 
						|
			if (((*i)->getDcWithShift() % int(_mtp_internal::dcShift)) == dcMask) {
 | 
						|
				(*i)->restart();
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	void configure(int32 dc, int32 user) {
 | 
						|
		if (_started) return;
 | 
						|
		mtpSetDC(dc);
 | 
						|
		mtpAuthed(user);
 | 
						|
	}
 | 
						|
 | 
						|
	void setdc(int32 dc, bool fromZeroOnly) {
 | 
						|
		if (!dc || !_started) return;
 | 
						|
		mtpSetDC(dc, fromZeroOnly);
 | 
						|
		int32 oldMainDc = mainSession->getDcWithShift();
 | 
						|
		if (maindc() != oldMainDc) {
 | 
						|
			killSession(oldMainDc);
 | 
						|
		}
 | 
						|
		Local::writeMtpData();
 | 
						|
	}
 | 
						|
 | 
						|
	int32 maindc() {
 | 
						|
		return mtpMainDC();
 | 
						|
	}
 | 
						|
 | 
						|
	int32 dcstate(int32 dc) {
 | 
						|
		if (!_started) return 0;
 | 
						|
 | 
						|
		if (!dc) return mainSession->getState();
 | 
						|
		if (!(dc % _mtp_internal::dcShift)) {
 | 
						|
			dc += (mainSession->getDcWithShift() % _mtp_internal::dcShift);
 | 
						|
		}
 | 
						|
		
 | 
						|
		Sessions::const_iterator i = sessions.constFind(dc);
 | 
						|
		if (i != sessions.cend()) return (*i)->getState();
 | 
						|
 | 
						|
		return MTProtoConnection::Disconnected;
 | 
						|
	}
 | 
						|
 | 
						|
	QString dctransport(int32 dc) {
 | 
						|
		if (!_started) return QString();
 | 
						|
 | 
						|
		if (!dc) return mainSession->transport();
 | 
						|
		if (!(dc % _mtp_internal::dcShift)) {
 | 
						|
			dc += (mainSession->getDcWithShift() % _mtp_internal::dcShift);
 | 
						|
		}
 | 
						|
 | 
						|
		Sessions::const_iterator i = sessions.constFind(dc);
 | 
						|
		if (i != sessions.cend()) return (*i)->transport();
 | 
						|
 | 
						|
		return QString();
 | 
						|
	}
 | 
						|
 | 
						|
	void ping() {
 | 
						|
		if (MTProtoSessionPtr session = _mtp_internal::getSession(0)) {
 | 
						|
			session->ping();
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	void cancel(mtpRequestId requestId) {
 | 
						|
		mtpMsgId msgId = 0;
 | 
						|
		requestsDelays.remove(requestId);
 | 
						|
		{
 | 
						|
			QWriteLocker locker(&requestMapLock);
 | 
						|
			RequestMap::iterator i = requestMap.find(requestId);
 | 
						|
			if (i != requestMap.end()) {
 | 
						|
				msgId = *(mtpMsgId*)(i.value()->constData() + 4);
 | 
						|
				requestMap.erase(i);
 | 
						|
			}
 | 
						|
		}
 | 
						|
		{
 | 
						|
			QMutexLocker locker(&requestByDCLock);
 | 
						|
			RequestsByDC::iterator i = requestsByDC.find(requestId);
 | 
						|
			if (i != requestsByDC.end()) {
 | 
						|
				if (MTProtoSessionPtr session = _mtp_internal::getSession(abs(i.value()))) {
 | 
						|
					session->cancel(requestId, msgId);
 | 
						|
				}
 | 
						|
				requestsByDC.erase(i);
 | 
						|
			}
 | 
						|
		}
 | 
						|
		_mtp_internal::clearCallbacks(requestId);
 | 
						|
	}
 | 
						|
 | 
						|
	void killSessionsDelayed() {
 | 
						|
		if (!sessionsToKill.isEmpty()) {
 | 
						|
			sessionsToKill.clear();
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	void killSession(int32 dc) {
 | 
						|
		Sessions::iterator i = sessions.find(dc);
 | 
						|
		if (i != sessions.end()) {
 | 
						|
			bool wasMain = (i.value() == mainSession);
 | 
						|
 | 
						|
			i.value()->kill();
 | 
						|
			if (sessionsToKill.isEmpty()) QTimer::singleShot(0, killSessionsDelayed);
 | 
						|
			sessionsToKill.push_back(i.value());
 | 
						|
			sessions.erase(i);
 | 
						|
 | 
						|
			if (wasMain) {
 | 
						|
				mainSession = MTProtoSessionPtr(new MTProtoSession());
 | 
						|
				mainSession->start(mtpMainDC());
 | 
						|
				sessions[mainSession->getDcWithShift()] = mainSession;
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	void stopSession(int32 dc) {
 | 
						|
		Sessions::iterator i = sessions.find(dc);
 | 
						|
		if (i != sessions.end()) {
 | 
						|
			if (i.value() != mainSession) { // don't stop main session
 | 
						|
				i.value()->stop();
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	int32 state(mtpRequestId requestId) {
 | 
						|
		if (requestId > 0) {
 | 
						|
			QMutexLocker locker(&requestByDCLock);
 | 
						|
			RequestsByDC::iterator i = requestsByDC.find(requestId);
 | 
						|
			if (i != requestsByDC.end()) {
 | 
						|
				if (MTProtoSessionPtr session = _mtp_internal::getSession(abs(i.value()))) {
 | 
						|
					return session->requestState(requestId);
 | 
						|
				}
 | 
						|
				return MTP::RequestConnecting;
 | 
						|
			}
 | 
						|
			return MTP::RequestSent;
 | 
						|
		}
 | 
						|
		if (MTProtoSessionPtr session = _mtp_internal::getSession(-requestId)) {
 | 
						|
			return session->requestState(0);
 | 
						|
		}
 | 
						|
		return MTP::RequestConnecting;
 | 
						|
	}
 | 
						|
 | 
						|
	void stop() {
 | 
						|
		for (Sessions::iterator i = sessions.begin(), e = sessions.end(); i != e; ++i) {
 | 
						|
			i.value()->kill();
 | 
						|
		}
 | 
						|
		sessions.clear();
 | 
						|
		mainSession = MTProtoSessionPtr();
 | 
						|
		delete resender;
 | 
						|
		resender = 0;
 | 
						|
		mtpDestroyConfigLoader();
 | 
						|
 | 
						|
		_started = false;
 | 
						|
	}
 | 
						|
 | 
						|
	void authed(int32 uid) {
 | 
						|
		mtpAuthed(uid);
 | 
						|
	}
 | 
						|
 | 
						|
	int32 authedId() {
 | 
						|
		return mtpAuthed();
 | 
						|
	}
 | 
						|
 | 
						|
	void logoutKeys(RPCDoneHandlerPtr onDone, RPCFailHandlerPtr onFail) {
 | 
						|
		mtpRequestId req = MTP::send(MTPauth_LogOut(), onDone, onFail);
 | 
						|
		mtpLogoutOtherDCs();
 | 
						|
	}
 | 
						|
 | 
						|
	void setGlobalDoneHandler(RPCDoneHandlerPtr handler) {
 | 
						|
		globalHandler.onDone = handler;
 | 
						|
	}
 | 
						|
 | 
						|
	void setGlobalFailHandler(RPCFailHandlerPtr handler) {
 | 
						|
		globalHandler.onFail = handler;
 | 
						|
	}
 | 
						|
 | 
						|
	void setStateChangedHandler(MTPStateChangedHandler handler) {
 | 
						|
		stateChangedHandler = handler;
 | 
						|
	}
 | 
						|
 | 
						|
	void setSessionResetHandler(MTPSessionResetHandler handler) {
 | 
						|
		sessionResetHandler = handler;
 | 
						|
	}
 | 
						|
 | 
						|
	void clearGlobalHandlers() {
 | 
						|
		setGlobalDoneHandler(RPCDoneHandlerPtr());
 | 
						|
		setGlobalFailHandler(RPCFailHandlerPtr());
 | 
						|
		setStateChangedHandler(0);
 | 
						|
		setSessionResetHandler(0);
 | 
						|
	}
 | 
						|
 | 
						|
	void updateDcOptions(const QVector<MTPDcOption> &options) {
 | 
						|
		mtpUpdateDcOptions(options);
 | 
						|
		Local::writeSettings();
 | 
						|
	}
 | 
						|
 | 
						|
	mtpKeysMap getKeys() {
 | 
						|
		return mtpGetKeys();
 | 
						|
	}
 | 
						|
 | 
						|
	void setKey(int32 dc, mtpAuthKeyPtr key) {
 | 
						|
		return mtpSetKey(dc, key);
 | 
						|
	}
 | 
						|
 | 
						|
	QReadWriteLock *dcOptionsMutex() {
 | 
						|
		return mtpDcOptionsMutex();
 | 
						|
	}
 | 
						|
 | 
						|
};
 |