873 lines
27 KiB
C++
873 lines
27 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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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2015 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 (mtpIsFlood(error)) 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 (mtpIsFlood(error)) 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();
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if (i.value() != j.value()) {
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req->after = mtpRequest();
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}
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}
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}
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if (!dcWithShift) return false;
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if (!req->after) {
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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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} else {
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int32 newdc = abs(dcWithShift) % _mtp_internal::dcShift;
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DCAuthWaiters &waiters(authWaiters[newdc]);
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if (waiters.indexOf(req->after->requestId) >= 0) {
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if (waiters.indexOf(requestId) < 0) {
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waiters.push_back(requestId);
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}
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if (badGuestDCRequests.constFind(req->after->requestId) != badGuestDCRequests.cend()) {
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if (badGuestDCRequests.constFind(requestId) == badGuestDCRequests.cend()) {
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badGuestDCRequests.insert(requestId);
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}
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}
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} else {
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uint64 at = 0;
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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->first == req->after->requestId) break;
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}
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if (i != e) {
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delayedRequests.insert(i, DelayedRequest(requestId, i->second));
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}
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if (resender) resender->checkDelayed();
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}
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}
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return true;
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}
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if (badGuestDC) badGuestDCRequests.remove(requestId);
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return false;
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}
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bool _paused = false;
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}
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namespace _mtp_internal {
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MTProtoSessionPtr getSession(int32 dcWithShift) {
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if (!_started) return MTProtoSessionPtr();
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if (!dcWithShift) return mainSession;
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if (!(dcWithShift % _mtp_internal::dcShift)) {
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dcWithShift += (mainSession->getDcWithShift() % _mtp_internal::dcShift);
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}
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Sessions::const_iterator i = sessions.constFind(dcWithShift);
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if (i != sessions.cend()) return *i;
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MTProtoSessionPtr result(new MTProtoSession());
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result->start(dcWithShift);
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sessions.insert(dcWithShift, result);
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return result;
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}
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bool paused() {
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return _paused;
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}
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void registerRequest(mtpRequestId requestId, int32 dcWithShift) {
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{
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QMutexLocker locker(&requestByDCLock);
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requestsByDC.insert(requestId, dcWithShift);
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}
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_mtp_internal::performDelayedClear(); // need to do it somewhere..
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}
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void unregisterRequest(mtpRequestId requestId) {
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requestsDelays.remove(requestId);
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{
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QWriteLocker locker(&requestMapLock);
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requestMap.remove(requestId);
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}
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QMutexLocker locker(&requestByDCLock);
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requestsByDC.remove(requestId);
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}
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mtpRequestId storeRequest(mtpRequest &request, const RPCResponseHandler &parser) {
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mtpRequestId res = reqid();
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request->requestId = res;
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if (parser.onDone || parser.onFail) {
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QMutexLocker locker(&parserMapLock);
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parserMap.insert(res, parser);
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}
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{
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QWriteLocker locker(&requestMapLock);
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requestMap.insert(res, request);
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}
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return res;
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}
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mtpRequest getRequest(mtpRequestId reqId) {
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static mtpRequest zero;
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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(reqId);
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req = (i == requestMap.cend()) ? zero : i.value();
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}
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return req;
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}
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void wrapInvokeAfter(mtpRequest &to, const mtpRequest &from, const mtpRequestMap &haveSent, int32 skipBeforeRequest) {
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mtpMsgId afterId(*(mtpMsgId*)(from->after->data() + 4));
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mtpRequestMap::const_iterator i = afterId ? haveSent.constFind(afterId) : haveSent.cend();
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int32 size = to->size(), lenInInts = (from.innerLength() >> 2), headlen = 4, fulllen = headlen + lenInInts;
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if (i == haveSent.constEnd()) { // no invoke after or such msg was not sent or was completed recently
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to->resize(size + fulllen + skipBeforeRequest);
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if (skipBeforeRequest) {
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memcpy(to->data() + size, from->constData() + 4, headlen * sizeof(mtpPrime));
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memcpy(to->data() + size + headlen + skipBeforeRequest, from->constData() + 4 + headlen, lenInInts * sizeof(mtpPrime));
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} else {
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memcpy(to->data() + size, from->constData() + 4, fulllen * sizeof(mtpPrime));
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}
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} else {
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to->resize(size + fulllen + skipBeforeRequest + 3);
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memcpy(to->data() + size, from->constData() + 4, headlen * sizeof(mtpPrime));
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(*to)[size + 3] += 3 * sizeof(mtpPrime);
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*((mtpTypeId*)&((*to)[size + headlen + skipBeforeRequest])) = mtpc_invokeAfterMsg;
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memcpy(to->data() + size + headlen + skipBeforeRequest + 1, &afterId, 2 * sizeof(mtpPrime));
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memcpy(to->data() + size + headlen + skipBeforeRequest + 3, from->constData() + 4 + headlen, lenInInts * sizeof(mtpPrime));
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if (size + 3 != 7) (*to)[7] += 3 * sizeof(mtpPrime);
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}
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}
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void clearCallbacks(mtpRequestId requestId, int32 errorCode) {
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RPCResponseHandler h;
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bool found = false;
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{
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QMutexLocker locker(&parserMapLock);
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ParserMap::iterator i = parserMap.find(requestId);
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|
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 (mtpIsFlood(err)) {
|
|
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 pause() {
|
|
if (!_started) return;
|
|
_paused = true;
|
|
}
|
|
|
|
void unpause() {
|
|
if (!_started) return;
|
|
_paused = false;
|
|
for (Sessions::const_iterator i = sessions.cbegin(), e = sessions.cend(); i != e; ++i) {
|
|
(*i)->unpaused();
|
|
}
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
};
|