Don't handle 'msg_resend_req'.

Telegram/SourceFiles/mtproto/connection.cpp

@@ -311,6 +311,8 @@ bool ConnectionPrivate::setState(int32 state, int32 ifState) {
 void ConnectionPrivate::resetSession() { // recreate all msg_id and msg_seqno
 	_needSessionReset = false;
 
+	MTP_LOG(_shiftedDcId, ("Resetting session!"));
+
 	QWriteLocker locker1(_sessionData->haveSentMutex());
 	QWriteLocker locker2(_sessionData->toResendMutex());
 	QWriteLocker locker3(_sessionData->toSendMutex());
@@ -329,16 +331,10 @@ void ConnectionPrivate::resetSession() { // recreate all msg_id and msg_seqno
 
 			mtpMsgId id = i.key();
 			if (id > newId) {
-				while (true) {
-					if (toResend.constFind(newId) == toResend.cend()
-						&& wereAcked.constFind(newId) == wereAcked.cend()
-						&& haveSent.constFind(newId) == haveSent.cend()) {
-						break;
-					}
-					const auto m = base::unixtime::mtproto_msg_id();
-					if (m <= newId) break; // wtf
-
-					newId = m;
+				while (toResend.constFind(newId) != toResend.cend()
+					|| wereAcked.constFind(newId) != wereAcked.cend()
+					|| haveSent.constFind(newId) != haveSent.cend()) {
+					newId = base::unixtime::mtproto_msg_id();
 				}
 
 				MTP_LOG(_shiftedDcId, ("Replacing msgId %1 to %2!"
@@ -361,16 +357,10 @@ void ConnectionPrivate::resetSession() { // recreate all msg_id and msg_seqno
 
 			mtpMsgId id = i.key();
 			if (id > newId) {
-				while (true) {
-					if (toResend.constFind(newId) == toResend.cend()
-						&& wereAcked.constFind(newId) == wereAcked.cend()
-						&& haveSent.constFind(newId) == haveSent.cend()) {
-						break;
-					}
-					const auto m = base::unixtime::mtproto_msg_id();
-					if (m <= newId) break; // wtf
-
-					newId = m;
+				while (toResend.constFind(newId) != toResend.cend()
+					|| wereAcked.constFind(newId) != wereAcked.cend()
+					|| haveSent.constFind(newId) != haveSent.cend()) {
+					newId = base::unixtime::mtproto_msg_id();
 				}
 
 				MTP_LOG(_shiftedDcId, ("Replacing msgId %1 to %2!"
@@ -884,6 +874,7 @@ void ConnectionPrivate::tryToSend() {
 							*(toSendRequest->data() + reqNeedsLayer + 3) += initSize;
 							added = true;
 						}
+						Assert(!haveSent.contains(msgId));
 						haveSent.insert(msgId, req);
 
 						needAnyResponse = true;
@@ -900,6 +891,7 @@ void ConnectionPrivate::tryToSend() {
 			if (stateRequest) {
 				mtpMsgId msgId = placeToContainer(toSendRequest, bigMsgId, haveSentArr, stateRequest);
 				stateRequest->msDate = 0; // 0 for state request, do not request state of it
+				Assert(!haveSent.contains(msgId));
 				haveSent.insert(msgId, stateRequest);
 			}
 			if (resendRequest) placeToContainer(toSendRequest, bigMsgId, haveSentArr, resendRequest);
@@ -910,6 +902,7 @@ void ConnectionPrivate::tryToSend() {
 			mtpMsgId contMsgId = prepareToSend(toSendRequest, bigMsgId);
 			*(mtpMsgId*)(haveSentIdsWrap->data() + 4) = contMsgId;
 			(*haveSentIdsWrap)[6] = 0; // for container, msDate = 0, seqNo = 0
+			Assert(!haveSent.contains(contMsgId));
 			haveSent.insert(contMsgId, haveSentIdsWrap);
 			toSend.clear();
 		}
@@ -1847,24 +1840,6 @@ ConnectionPrivate::HandleResult ConnectionPrivate::handleOneReceived(const mtpPr
 		}
 	} return HandleResult::Success;
 
-	case mtpc_msg_resend_req: {
-		MTPMsgResendReq msg;
-		if (!msg.read(from, end)) {
-			return HandleResult::ParseError;
-		}
-		auto &ids = msg.c_msg_resend_req().vmsg_ids().v;
-
-		auto idsCount = ids.size();
-		DEBUG_LOG(("Message Info: resend of msgs requested, ids: %1").arg(LogIdsVector(ids)));
-		if (!idsCount) return (badTime ? HandleResult::Ignored : HandleResult::Success);
-
-		QVector<quint64> toResend(ids.size());
-		for (int32 i = 0, l = ids.size(); i < l; ++i) {
-			toResend[i] = ids.at(i).v;
-		}
-		resendMany(toResend, 0, false, true);
-	} return HandleResult::Success;
-
 	case mtpc_rpc_result: {
 		if (from + 3 > end) {
 			return HandleResult::ParseError;
@@ -2261,23 +2236,17 @@ void ConnectionPrivate::handleMsgsStates(const QVector<MTPlong> &ids, const QByt
 void ConnectionPrivate::resend(
 		mtpMsgId msgId,
 		crl::time msCanWait,
-		bool forceContainer,
-		bool sendMsgStateInfo) {
+		bool forceContainer) {
 	if (msgId == _pingMsgId) {
 		return;
 	}
-	_sessionData->queueResend(
-		msgId,
-		msCanWait,
-		forceContainer,
-		sendMsgStateInfo);
+	_sessionData->queueResend(msgId, msCanWait, forceContainer);
 }
 
 void ConnectionPrivate::resendMany(
 		QVector<mtpMsgId> msgIds,
 		crl::time msCanWait,
-		bool forceContainer,
-		bool sendMsgStateInfo) {
+		bool forceContainer) {
 	for (int32 i = 0, l = msgIds.size(); i < l; ++i) {
 		if (msgIds.at(i) == _pingMsgId) {
 			msgIds.remove(i);
@@ -2287,8 +2256,7 @@ void ConnectionPrivate::resendMany(
 	_sessionData->queueResendMany(
 		std::move(msgIds),
 		msCanWait,
-		forceContainer,
-		sendMsgStateInfo);
+		forceContainer);
 }
 
 void ConnectionPrivate::onConnected(
@@ -2448,7 +2416,9 @@ void ConnectionPrivate::createDcKey() {
 				).arg(result->persistentServerSalt));
 
 			_sessionData->setSalt(result->temporaryServerSalt);
-			_sessionData->clearForNewKey(_instance);
+			if (result->persistentKey) {
+				_sessionData->clearForNewKey(_instance);
+			}
 
 			auto key = result->persistentKey
 				? std::move(result->persistentKey)

Telegram/SourceFiles/mtproto/connection.h

@@ -169,13 +169,11 @@ private:
 	void resend(
 		mtpMsgId msgId,
 		crl::time msCanWait = 0,
-		bool forceContainer = false,
-		bool sendMsgStateInfo = false);
+		bool forceContainer = false);
 	void resendMany(
 		QVector<mtpMsgId> msgIds,
 		crl::time msCanWait = 0,
-		bool forceContainer = false,
-		bool sendMsgStateInfo = false);
+		bool forceContainer = false);
 
 	void createDcKey();
 	void resetSession();

Telegram/SourceFiles/mtproto/session.cpp

@@ -193,25 +193,19 @@ void SessionData::queueSendMsgsStateInfo(quint64 msgId, QByteArray data) {
 void SessionData::queueResend(
 		mtpMsgId msgId,
 		crl::time msCanWait,
-		bool forceContainer,
-		bool sendMsgStateInfo) {
+		bool forceContainer) {
 	withSession([=](not_null<Session*> session) {
-		session->resend(msgId, msCanWait, forceContainer, sendMsgStateInfo);
+		session->resend(msgId, msCanWait, forceContainer);
 	});
 }
 
 void SessionData::queueResendMany(
 		QVector<mtpMsgId> msgIds,
 		crl::time msCanWait,
-		bool forceContainer,
-		bool sendMsgStateInfo) {
+		bool forceContainer) {
 	withSession([=](not_null<Session*> session) {
 		for (const auto msgId : msgIds) {
-			session->resend(
-				msgId,
-				msCanWait,
-				forceContainer,
-				sendMsgStateInfo);
+			session->resend(msgId, msCanWait, forceContainer);
 		}
 	});
 }
@@ -595,8 +589,7 @@ QString Session::transport() const {
 mtpRequestId Session::resend(
 		mtpMsgId msgId,
 		crl::time msCanWait,
-		bool forceContainer,
-		bool sendMsgStateInfo) {
+		bool forceContainer) {
 	SecureRequest request;
 	{
 		QWriteLocker locker(_data->haveSentMutex());
@@ -604,18 +597,6 @@ mtpRequestId Session::resend(
 
 		auto i = haveSent.find(msgId);
 		if (i == haveSent.end()) {
-			if (sendMsgStateInfo) {
-				char cantResend[2] = {1, 0};
-				DEBUG_LOG(("Message Info: cant resend %1, request not found").arg(msgId));
-
-				auto info = std::string(cantResend, cantResend + 1);
-				return _instance->sendProtocolMessage(
-					_shiftedDcId,
-					MTPMsgsStateInfo(
-						MTP_msgs_state_info(
-							MTP_long(msgId),
-							MTP_string(std::move(info)))));
-			}
 			return 0;
 		}
 

Telegram/SourceFiles/mtproto/session.h

@@ -274,13 +274,11 @@ public:
 	void queueResend(
 		mtpMsgId msgId,
 		crl::time msCanWait,
-		bool forceContainer,
-		bool sendMsgStateInfo);
+		bool forceContainer);
 	void queueResendMany(
 		QVector<mtpMsgId> msgIds,
 		crl::time msCanWait,
-		bool forceContainer,
-		bool sendMsgStateInfo);
+		bool forceContainer);
 
 	[[nodiscard]] bool connectionInited() const;
 	[[nodiscard]] AuthKeyPtr getPersistentKey() const;
@@ -392,8 +390,7 @@ public:
 	mtpRequestId resend(
 		mtpMsgId msgId,
 		crl::time msCanWait = 0,
-		bool forceContainer = false,
-		bool sendMsgStateInfo = false);
+		bool forceContainer = false);
 
 signals:
 	void authKeyChanged();