mirror of
https://github.com/danog/deeptelegram.git
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100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*
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* This is the source code of tgnet library v. 1.0
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* It is licensed under GNU GPL v. 2 or later.
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* You should have received a copy of the license in this archive (see LICENSE).
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*
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* Copyright Nikolai Kudashov, 2015.
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*/
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#include <algorithm>
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#include <openssl/rand.h>
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#include "ConnectionSession.h"
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#include "MTProtoScheme.h"
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#include "ConnectionsManager.h"
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#include "NativeByteBuffer.h"
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void ConnectionSession::recreateSession() {
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processedMessageIds.clear();
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messagesIdsForConfirmation.clear();
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processedSessionChanges.clear();
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nextSeqNo = 0;
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genereateNewSessionId();
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}
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void ConnectionSession::genereateNewSessionId() {
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int64_t newSessionId;
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RAND_bytes((uint8_t *) &newSessionId, 8);
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#if USE_DEBUG_SESSION
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sessionId = (0xabcd000000000000L | (newSessionId & 0x0000ffffffffffffL));
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#else
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sessionId = newSessionId;
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#endif
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}
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void ConnectionSession::setSessionId(int64_t id) {
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sessionId = id;
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}
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int64_t ConnectionSession::getSissionId() {
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return sessionId;
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}
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uint32_t ConnectionSession::generateMessageSeqNo(bool increment) {
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uint32_t value = nextSeqNo;
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if (increment) {
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nextSeqNo++;
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}
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return value * 2 + (increment ? 1 : 0);
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}
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bool ConnectionSession::isMessageIdProcessed(int64_t messageId) {
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return std::find(processedMessageIds.begin(), processedMessageIds.end(), messageId) != processedMessageIds.end();
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}
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void ConnectionSession::addProcessedMessageId(int64_t messageId) {
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if (processedMessageIds.size() > 300) {
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processedMessageIds.erase(processedMessageIds.begin(), processedMessageIds.begin() + 100);
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}
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processedMessageIds.push_back(messageId);
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}
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bool ConnectionSession::hasMessagesToConfirm() {
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return !messagesIdsForConfirmation.empty();
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}
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void ConnectionSession::addMessageToConfirm(int64_t messageId) {
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if (std::find(processedMessageIds.begin(), processedMessageIds.end(), messageId) != processedMessageIds.end()) {
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return;
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}
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messagesIdsForConfirmation.push_back(messageId);
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}
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NetworkMessage *ConnectionSession::generateConfirmationRequest() {
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NetworkMessage *networkMessage = nullptr;
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if (!messagesIdsForConfirmation.empty()) {
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TL_msgs_ack *msgAck = new TL_msgs_ack();
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msgAck->msg_ids.insert(msgAck->msg_ids.begin(), messagesIdsForConfirmation.begin(), messagesIdsForConfirmation.end());
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NativeByteBuffer *os = new NativeByteBuffer(true);
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msgAck->serializeToStream(os);
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networkMessage = new NetworkMessage();
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networkMessage->message = std::unique_ptr<TL_message>(new TL_message);
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networkMessage->message->msg_id = ConnectionsManager::getInstance().generateMessageId();
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networkMessage->message->seqno = generateMessageSeqNo(false);
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networkMessage->message->bytes = os->capacity();
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networkMessage->message->body = std::unique_ptr<TLObject>(msgAck);
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messagesIdsForConfirmation.clear();
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}
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return networkMessage;
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}
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bool ConnectionSession::isSessionProcessed(int64_t sessionId) {
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return std::find(processedSessionChanges.begin(), processedSessionChanges.end(), sessionId) != processedSessionChanges.end();
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}
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void ConnectionSession::addProcessedSession(int64_t sessionId) {
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processedSessionChanges.push_back(sessionId);
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}
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