795 lines
		
	
	
	
		
			24 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			795 lines
		
	
	
	
		
			24 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
| This file is part of Telegram Desktop,
 | |
| the official desktop version of Telegram messaging app, see https://telegram.org
 | |
| 
 | |
| Telegram Desktop 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 3 of the License, or
 | |
| (at your option) any later version.
 | |
| 
 | |
| It 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.
 | |
| 
 | |
| Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
 | |
| Copyright (c) 2014 John Preston, https://desktop.telegram.org
 | |
| */
 | |
| #include "stdafx.h"
 | |
| #include "mtp.h"
 | |
| 
 | |
| #include "localstorage.h"
 | |
| 
 | |
| namespace {
 | |
| 	typedef QMap<int32, MTProtoSessionPtr> Sessions;
 | |
| 	Sessions sessions;
 | |
| 	MTProtoSessionPtr mainSession;
 | |
| 
 | |
| 	typedef QMap<mtpRequestId, int32> RequestsByDC; // holds dc for request to this dc or -dc for request to main dc
 | |
| 	RequestsByDC requestsByDC;
 | |
| 	QMutex requestByDCLock;
 | |
| 
 | |
| 	typedef QMap<mtpRequestId, int32> AuthExportRequests; // holds target dc for auth export request
 | |
| 	AuthExportRequests authExportRequests;
 | |
| 
 | |
| 	bool started = false;
 | |
| 
 | |
| 	uint32 layer;
 | |
| 	
 | |
| 	typedef QMap<mtpRequestId, RPCResponseHandler> ParserMap;
 | |
| 	ParserMap parserMap;
 | |
| 	QMutex parserMapLock;
 | |
| 
 | |
| 	typedef QMap<mtpRequestId, mtpRequest> RequestMap;
 | |
| 	RequestMap requestMap;
 | |
| 	QReadWriteLock requestMapLock;
 | |
| 
 | |
| 	typedef QPair<mtpRequestId, uint64> DelayedRequest;
 | |
| 	typedef QList<DelayedRequest> DelayedRequestsList;
 | |
| 	DelayedRequestsList delayedRequests;
 | |
| 
 | |
| 	typedef QMap<mtpRequestId, int32> RequestsDelays;
 | |
| 	RequestsDelays requestsDelays;
 | |
| 
 | |
| 	typedef QSet<mtpRequestId> BadGuestDCRequests;
 | |
| 	BadGuestDCRequests badGuestDCRequests;
 | |
| 
 | |
| 	typedef QVector<mtpRequestId> DCAuthWaiters;
 | |
| 	typedef QMap<int32, DCAuthWaiters> AuthWaiters;
 | |
| 	AuthWaiters authWaiters;
 | |
| 
 | |
| 	QMutex toClearLock;
 | |
| 	RPCCallbackClears toClear;
 | |
| 
 | |
| 	RPCResponseHandler globalHandler;
 | |
| 	MTPStateChangedHandler stateChangedHandler = 0;
 | |
| 	MTPSessionResetHandler sessionResetHandler = 0;
 | |
| 	_mtp_internal::RequestResender *resender = 0;
 | |
| 
 | |
| 	void importDone(const MTPauth_Authorization &result, mtpRequestId req) {
 | |
| 		QMutexLocker locker1(&requestByDCLock);
 | |
| 
 | |
| 		RequestsByDC::iterator i = requestsByDC.find(req);
 | |
| 		if (i == requestsByDC.end()) {
 | |
| 			LOG(("MTP Error: auth import request not found in requestsByDC, requestId: %1").arg(req));
 | |
| 			RPCError error(rpcClientError("AUTH_IMPORT_FAIL", QString("did not find import request in requestsByDC, request %1").arg(req)));
 | |
| 			if (globalHandler.onFail && MTP::authedId()) (*globalHandler.onFail)(req, error); // auth failed in main dc
 | |
| 			return;
 | |
| 		}
 | |
| 		int32 newdc = i.value();
 | |
| 
 | |
| 		DEBUG_LOG(("MTP Info: auth import to dc %1 succeeded").arg(newdc));
 | |
| 
 | |
| 		DCAuthWaiters &waiters(authWaiters[newdc]);
 | |
| 		MTProtoSessionPtr session(_mtp_internal::getSession(newdc));
 | |
| 		if (waiters.size()) {
 | |
| 			QReadLocker locker(&requestMapLock);
 | |
| 			for (DCAuthWaiters::iterator i = waiters.begin(), e = waiters.end(); i != e; ++i) {
 | |
| 				mtpRequestId requestId = *i;
 | |
| 				RequestMap::const_iterator j = requestMap.constFind(requestId);
 | |
| 				if (j == requestMap.cend()) {
 | |
| 					LOG(("MTP Error: could not find request %1 for resending").arg(requestId));
 | |
| 					continue;
 | |
| 				}
 | |
| 				{
 | |
| 					RequestsByDC::iterator k = requestsByDC.find(requestId);
 | |
| 					if (k == requestsByDC.cend()) {
 | |
| 						LOG(("MTP Error: could not find request %1 by dc for resending").arg(requestId));
 | |
| 						continue;
 | |
| 					}
 | |
| 					if (k.value() < 0) {
 | |
| 						MTP::setdc(newdc);
 | |
| 						k.value() = -newdc;
 | |
| 					} else {
 | |
| 						k.value() = k.value() - (k.value() % _mtp_internal::dcShift) + newdc;
 | |
| 					}
 | |
| 					DEBUG_LOG(("MTP Info: resending request %1 to dc %2 after import auth").arg(requestId).arg(k.value()));
 | |
| 				}
 | |
| 				session->sendPrepared(j.value());
 | |
| 			}
 | |
| 			waiters.clear();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	bool importFail(const RPCError &error, mtpRequestId req) {
 | |
| 		if (globalHandler.onFail && MTP::authedId()) (*globalHandler.onFail)(req, error); // auth import failed
 | |
| 		return true;
 | |
| 	}
 | |
| 
 | |
| 	void exportDone(const MTPauth_ExportedAuthorization &result, mtpRequestId req) {
 | |
| 		AuthExportRequests::const_iterator i = authExportRequests.constFind(req);
 | |
| 		if (i == authExportRequests.cend()) {
 | |
| 			LOG(("MTP Error: auth export request target dc not found, requestId: %1").arg(req));
 | |
| 			RPCError error(rpcClientError("AUTH_IMPORT_FAIL", QString("did not find target dc, request %1").arg(req)));
 | |
| 			if (globalHandler.onFail && MTP::authedId()) (*globalHandler.onFail)(req, error); // auth failed in main dc
 | |
| 			return;
 | |
| 		}
 | |
| 
 | |
| 		const MTPDauth_exportedAuthorization &data(result.c_auth_exportedAuthorization());
 | |
| 		MTP::send(MTPauth_ImportAuthorization(data.vid, data.vbytes), rpcDone(importDone), rpcFail(importFail), i.value());
 | |
| 		authExportRequests.remove(req);
 | |
| 	}
 | |
| 
 | |
| 	bool exportFail(const RPCError &error, mtpRequestId req) {
 | |
| 		AuthExportRequests::const_iterator i = authExportRequests.constFind(req);
 | |
| 		if (i != authExportRequests.cend()) {
 | |
| 			authWaiters[i.value()].clear();
 | |
| 		}
 | |
| 		if (globalHandler.onFail && MTP::authedId()) (*globalHandler.onFail)(req, error); // auth failed in main dc
 | |
| 		return true;
 | |
| 	}
 | |
| 
 | |
| 	bool onErrorDefault(mtpRequestId requestId, const RPCError &error) {
 | |
| 		const QString &err(error.type());
 | |
| 		int32 code = error.code();
 | |
| 		bool badGuestDC = (code == 400) && (err == qsl("FILE_ID_INVALID"));
 | |
|         QRegularExpressionMatch m;
 | |
| 		if ((m = QRegularExpression("^(FILE|PHONE|NETWORK|USER)_MIGRATE_(\\d+)$").match(err)).hasMatch()) {
 | |
| 			if (!requestId) return false;
 | |
| 
 | |
| 			int32 dc = 0, newdc = m.captured(2).toInt();
 | |
| 			{
 | |
| 				QMutexLocker locker(&requestByDCLock);
 | |
| 				RequestsByDC::iterator i = requestsByDC.find(requestId);
 | |
| 				if (i == requestsByDC.end()) {
 | |
| 					LOG(("MTP Error: could not find request %1 for migrating to %2").arg(requestId).arg(newdc));
 | |
| 				} else {
 | |
| 					dc = i.value();
 | |
| 				}
 | |
| 			}
 | |
| 			if (!dc || !newdc) return false;
 | |
| 
 | |
| 			DEBUG_LOG(("MTP Info: changing request %1 dc%2 to %3").arg(requestId).arg((dc > 0) ? "" : " and main dc").arg(newdc));
 | |
| 			if (dc < 0) {
 | |
| 				if (MTP::authedId()) { // import auth, set dc and resend
 | |
| 					DEBUG_LOG(("MTP Info: importing auth to dc %1").arg(newdc));
 | |
| 					DCAuthWaiters &waiters(authWaiters[newdc]);
 | |
| 					if (!waiters.size()) {
 | |
| 						authExportRequests.insert(MTP::send(MTPauth_ExportAuthorization(MTP_int(newdc)), rpcDone(exportDone), rpcFail(exportFail)), newdc);
 | |
| 					}
 | |
| 					waiters.push_back(requestId);
 | |
| 					return true;
 | |
| 				} else {
 | |
| 					MTP::setdc(newdc);
 | |
| 				}
 | |
| 			}
 | |
| 
 | |
| 			mtpRequest req;
 | |
| 			{
 | |
| 				QReadLocker locker(&requestMapLock);
 | |
| 				RequestMap::const_iterator i = requestMap.constFind(requestId);
 | |
| 				if (i == requestMap.cend()) {
 | |
| 					LOG(("MTP Error: could not find request %1").arg(requestId));
 | |
| 					return false;
 | |
| 				}
 | |
| 				req = i.value();
 | |
| 			}
 | |
| 			_mtp_internal::registerRequest(requestId, (dc < 0) ? -newdc : newdc);
 | |
| 			_mtp_internal::getSession(newdc)->sendPrepared(req);
 | |
| 			return true;
 | |
| 		} else if (code < 0 || code >= 500 || (m = QRegularExpression("^FLOOD_WAIT_(\\d+)$").match(err)).hasMatch()) {
 | |
| 			if (!requestId) return false;
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| 			
 | |
| 			int32 secs = 1;
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| 			if (code < 0 || code >= 500) {
 | |
| 				RequestsDelays::iterator i = requestsDelays.find(requestId);
 | |
| 				if (i != requestsDelays.cend()) {
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| 					secs = (i.value() > 60) ? i.value() : (i.value() *= 2);
 | |
| 				} else {
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| 					requestsDelays.insert(requestId, secs);
 | |
| 				}
 | |
| 			} else {
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| 				secs = m.captured(1).toInt();
 | |
| 			}
 | |
| 			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) {
 | |
| 				if (i->first == requestId) return true;
 | |
| 				if (i->second > sendAt) break;
 | |
| 			}
 | |
| 			delayedRequests.insert(i, DelayedRequest(requestId, sendAt));
 | |
| 
 | |
| 			if (resender) resender->checkDelayed();
 | |
| 
 | |
| 			return true;
 | |
| 		} else if (code == 401 || (badGuestDC && badGuestDCRequests.constFind(requestId) == badGuestDCRequests.cend())) {
 | |
| 			int32 dc = 0;
 | |
| 			{
 | |
| 				QMutexLocker locker(&requestByDCLock);
 | |
| 				RequestsByDC::iterator i = requestsByDC.find(requestId);
 | |
| 				if (i != requestsByDC.end()) {
 | |
| 					dc = i.value();
 | |
| 				} else {
 | |
| 					LOG(("MTP Error: unauthorized request without dc info, requestId %1").arg(requestId));
 | |
| 				}
 | |
| 			}
 | |
| 			int32 newdc = abs(dc) % _mtp_internal::dcShift;
 | |
| 			if (!newdc || newdc == mtpMainDC() || !MTP::authedId()) {
 | |
| 				if (!badGuestDC && globalHandler.onFail) (*globalHandler.onFail)(requestId, error); // auth failed in main dc
 | |
| 				return false;
 | |
| 			}
 | |
| 
 | |
| 			DEBUG_LOG(("MTP Info: importing auth to dc %1").arg(dc));
 | |
| 			DCAuthWaiters &waiters(authWaiters[newdc]);
 | |
| 			if (!waiters.size()) {
 | |
| 				authExportRequests.insert(MTP::send(MTPauth_ExportAuthorization(MTP_int(newdc)), rpcDone(exportDone), rpcFail(exportFail)), newdc);
 | |
| 			}
 | |
| 			waiters.push_back(requestId);
 | |
| 			if (badGuestDC) badGuestDCRequests.insert(requestId);
 | |
| 			return true;
 | |
| 		} else if (err == qsl("CONNECTION_NOT_INITED") || err == qsl("CONNECTION_LAYER_INVALID")) {
 | |
| 			mtpRequest req;
 | |
| 			{
 | |
| 				QReadLocker locker(&requestMapLock);
 | |
| 				RequestMap::const_iterator i = requestMap.constFind(requestId);
 | |
| 				if (i == requestMap.cend()) {
 | |
| 					LOG(("MTP Error: could not find request %1").arg(requestId));
 | |
| 					return false;
 | |
| 				}
 | |
| 				req = i.value();
 | |
| 			}
 | |
| 			int32 dc = 0;
 | |
| 			{
 | |
| 				QMutexLocker locker(&requestByDCLock);
 | |
| 				RequestsByDC::iterator i = requestsByDC.find(requestId);
 | |
| 				if (i == requestsByDC.end()) {
 | |
| 					LOG(("MTP Error: could not find request %1 for resending with init connection").arg(requestId));
 | |
| 				} else {
 | |
| 					dc = i.value();
 | |
| 				}
 | |
| 			}
 | |
| 			if (!dc) return false;
 | |
| 
 | |
| 			req->needsLayer = true;
 | |
| 			_mtp_internal::getSession(dc < 0 ? (-dc) : dc)->sendPrepared(req);
 | |
| 			return true;
 | |
| 		} else if (err == qsl("MSG_WAIT_FAILED")) {
 | |
| 			mtpRequest req;
 | |
| 			{
 | |
| 				QReadLocker locker(&requestMapLock);
 | |
| 				RequestMap::const_iterator i = requestMap.constFind(requestId);
 | |
| 				if (i == requestMap.cend()) {
 | |
| 					LOG(("MTP Error: could not find request %1").arg(requestId));
 | |
| 					return false;
 | |
| 				}
 | |
| 				req = i.value();
 | |
| 			}
 | |
| 			if (!req->after) {
 | |
| 				LOG(("MTP Error: wait failed for not dependent request %1").arg(requestId));
 | |
| 				return false;
 | |
| 			}
 | |
| 			int32 dc = 0;
 | |
| 			{
 | |
| 				QMutexLocker locker(&requestByDCLock);
 | |
| 				RequestsByDC::iterator i = requestsByDC.find(requestId), j = requestsByDC.find(req->after->requestId);
 | |
| 				if (i == requestsByDC.end()) {
 | |
| 					LOG(("MTP Error: could not find request %1 by dc").arg(requestId));
 | |
| 				} else if (j == requestsByDC.end()) {
 | |
| 					LOG(("MTP Error: could not find dependent request %1 by dc").arg(req->after->requestId));
 | |
| 				} else {
 | |
| 					dc = i.value();
 | |
| 					if (i.value() != j.value()) {
 | |
| 						req->after = mtpRequest();
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 			if (!dc) return false;
 | |
| 
 | |
| 			if (!req->after) {
 | |
| 				req->needsLayer = true;
 | |
| 				_mtp_internal::getSession(dc < 0 ? (-dc) : dc)->sendPrepared(req);
 | |
| 			} else {
 | |
| 				int32 newdc = abs(dc) % _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 dc) {
 | |
| 		if (!started) return MTProtoSessionPtr();
 | |
| 		if (!dc) return mainSession;
 | |
| 		if (!(dc % _mtp_internal::dcShift)) {
 | |
| 			dc += mainSession->getDC();
 | |
| 		}
 | |
| 		
 | |
| 		Sessions::const_iterator i = sessions.constFind(dc);
 | |
| 		if (i != sessions.cend()) return *i;
 | |
| 
 | |
| 		MTProtoSessionPtr result(new MTProtoSession());
 | |
| 		result->start(dc);
 | |
| 		
 | |
| 		sessions.insert(dc, result);
 | |
| 		return result;
 | |
| 	}
 | |
| 	
 | |
| 	void registerRequest(mtpRequestId requestId, int32 dc) {
 | |
| 		{
 | |
| 			QMutexLocker locker(&requestByDCLock);
 | |
| 			requestsByDC.insert(requestId, dc);
 | |
| 		}
 | |
| 		_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 dc, int32 state) {
 | |
| 		if (stateChangedHandler) stateChangedHandler(dc, state);
 | |
| 	}
 | |
| 
 | |
| 	void onSessionReset(int32 dc) {
 | |
| 		if (sessionResetHandler) sessionResetHandler(dc);
 | |
| 	}
 | |
| 
 | |
| 	bool rpcErrorOccured(mtpRequestId requestId, const RPCFailHandlerPtr &onFail, const RPCError &err) { // return true if need to clean request data
 | |
| 		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 dc = 0;
 | |
| 			{
 | |
| 				QMutexLocker locker(&requestByDCLock);
 | |
| 				RequestsByDC::const_iterator i = requestsByDC.constFind(requestId);
 | |
| 				if (i != requestsByDC.cend()) {
 | |
| 					dc = 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();
 | |
| 			}
 | |
| 			_mtp_internal::getSession(dc < 0 ? (-dc) : dc)->sendPrepared(req);
 | |
| 		}
 | |
| 
 | |
| 		if (!delayedRequests.isEmpty()) {
 | |
| 			_timer.start(delayedRequests.front().second - now);
 | |
| 		}
 | |
| 	}
 | |
| };
 | |
| 
 | |
| namespace MTP {
 | |
| 
 | |
|     void start() {
 | |
|         unixtimeInit();
 | |
| 
 | |
| 		if (!Local::oldKey().created()) {
 | |
| 			LOG(("App Error: trying to start MTP without local key!"));
 | |
| 			return;
 | |
| 		}
 | |
| 
 | |
| 		mtpLoadData();
 | |
| 		MTProtoDCMap &dcs(mtpDCMap());
 | |
| 
 | |
| 		mainSession = MTProtoSessionPtr(new MTProtoSession());
 | |
| 		mainSession->start(mtpMainDC());
 | |
| 		sessions[mainSession->getDC()] = mainSession;
 | |
| 
 | |
| 		started = true;
 | |
| 		resender = new _mtp_internal::RequestResender();
 | |
| 
 | |
| 		if (mtpNeedConfig()) {
 | |
| 			mtpConfigLoader()->load();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	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;
 | |
| 
 | |
| 		for (Sessions::const_iterator i = sessions.cbegin(), e = sessions.cend(); i != e; ++i) {
 | |
| 			if ((*i)->getDC() % _mtp_internal::dcShift == dcMask % _mtp_internal::dcShift) {
 | |
| 				(*i)->restart();
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	void setdc(int32 dc, bool fromZeroOnly) {
 | |
| 		if (!started) return;
 | |
| 
 | |
| 		int32 m = mainSession->getDC();
 | |
| 		if (!dc || m == dc || (m && fromZeroOnly)) return;
 | |
| 		mtpSetDC(dc);
 | |
| 		mainSession = _mtp_internal::getSession(dc);
 | |
| 	}
 | |
| 
 | |
| 	int32 maindc() {
 | |
| 		if (!started) return 0;
 | |
| 
 | |
| 		return mainSession->getDC();
 | |
| 	}
 | |
| 
 | |
| 	int32 dcstate(int32 dc) {
 | |
| 		if (!started) return 0;
 | |
| 
 | |
| 		if (!dc) return mainSession->getState();
 | |
| 		if (!(dc % _mtp_internal::dcShift)) {
 | |
| 			dc += mainSession->getDC();
 | |
| 		}
 | |
| 		
 | |
| 		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->getDC();
 | |
| 		}
 | |
| 
 | |
| 		Sessions::const_iterator i = sessions.constFind(dc);
 | |
| 		if (i != sessions.cend()) return (*i)->transport();
 | |
| 
 | |
| 		return QString();
 | |
| 	}
 | |
| 
 | |
| 	void initdc(int32 dc) {
 | |
| 		if (!started) return;
 | |
| 		_mtp_internal::getSession(dc);
 | |
| 	}
 | |
| 
 | |
| 	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()) {
 | |
| 				_mtp_internal::getSession(abs(i.value()))->cancel(requestId, msgId);
 | |
| 				requestsByDC.erase(i);
 | |
| 			}
 | |
| 		}
 | |
| 		_mtp_internal::clearCallbacks(requestId);
 | |
| 	}
 | |
| 
 | |
| 	void killSession(int32 dc) {
 | |
| 		Sessions::iterator i = sessions.find(dc);
 | |
| 		if (i != sessions.end()) {
 | |
| 			bool wasMain = (i.value() == mainSession);
 | |
| 
 | |
| 			i.value()->stop();
 | |
| 			sessions.erase(i);
 | |
| 
 | |
| 			if (wasMain) {
 | |
| 				mainSession = MTProtoSessionPtr(new MTProtoSession());
 | |
| 				mainSession->start(mtpMainDC());
 | |
| 				sessions[mainSession->getDC()] = 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()) {
 | |
| 				return _mtp_internal::getSession(abs(i.value()))->requestState(requestId);
 | |
| 			}
 | |
| 			return MTP::RequestSent;
 | |
| 		}
 | |
| 		return _mtp_internal::getSession(-requestId)->requestState(0);
 | |
| 	}
 | |
| 
 | |
| 	void stop() {
 | |
| 		for (Sessions::iterator i = sessions.begin(), e = sessions.end(); i != e; ++i) {
 | |
| 			i.value()->stop();
 | |
| 		}
 | |
| 		sessions.clear();
 | |
| 		mainSession = MTProtoSessionPtr();
 | |
| 		delete resender;
 | |
| 		resender = 0;
 | |
| 		mtpDestroyConfigLoader();
 | |
| 	}
 | |
| 
 | |
| 	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);
 | |
| 		App::writeUserConfig();
 | |
| 	}
 | |
| 
 | |
| 	void writeConfig(QDataStream &stream) {
 | |
| 		return mtpWriteConfig(stream);
 | |
| 	}
 | |
| 
 | |
| 	bool readConfigElem(int32 blockId, QDataStream &stream) {
 | |
| 		return mtpReadConfigElem(blockId, stream);
 | |
| 	}
 | |
| 
 | |
| };
 | 
