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119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
/*
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* This is the source code of tgnet library v. 1.1
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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, 2015-2018.
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*/
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#ifndef CONNECTION_H
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#define CONNECTION_H
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#include <pthread.h>
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#include <vector>
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#include <string>
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#include <openssl/aes.h>
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#include "ConnectionSession.h"
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#include "ConnectionSocket.h"
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#include "Defines.h"
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class Datacenter;
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class Timer;
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class ByteStream;
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class ByteArray;
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class Connection : public ConnectionSession, public ConnectionSocket {
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public:
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Connection(Datacenter *datacenter, ConnectionType type, int8_t num);
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~Connection();
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void connect();
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void suspendConnection();
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void suspendConnection(bool idle);
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void sendData(NativeByteBuffer *buffer, bool reportAck, bool encrypted);
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bool hasUsefullData();
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void setHasUsefullData();
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bool allowsCustomPadding();
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uint32_t getConnectionToken();
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ConnectionType getConnectionType();
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int8_t getConnectionNum();
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Datacenter *getDatacenter();
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bool isSuspended();
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static bool isMediaConnectionType(ConnectionType type);
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protected:
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void onReceivedData(NativeByteBuffer *buffer) override;
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void onDisconnected(int32_t reason, int32_t error) override;
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void onConnected() override;
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bool hasPendingRequests() override;
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void reconnect();
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private:
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enum TcpConnectionState {
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TcpConnectionStageIdle,
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TcpConnectionStageConnecting,
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TcpConnectionStageReconnecting,
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TcpConnectionStageConnected,
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TcpConnectionStageSuspended
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};
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enum ProtocolType {
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ProtocolTypeEF,
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ProtocolTypeEE,
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ProtocolTypeDD
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};
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inline void encryptKeyWithSecret(uint8_t *array, uint8_t secretType);
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inline std::string *getCurrentSecret(uint8_t secretType);
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void onDisconnectedInternal(int32_t reason, int32_t error);
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ProtocolType currentProtocolType = ProtocolTypeEE;
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TcpConnectionState connectionState = TcpConnectionStageIdle;
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uint32_t connectionToken = 0;
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std::string hostAddress;
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std::string secret;
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uint16_t hostPort;
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uint16_t failedConnectionCount;
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Datacenter *currentDatacenter;
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uint32_t currentAddressFlags;
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ConnectionType connectionType;
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int8_t connectionNum;
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bool firstPacketSent = false;
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NativeByteBuffer *restOfTheData = nullptr;
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uint32_t lastPacketLength = 0;
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bool hasSomeDataSinceLastConnect = false;
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bool isTryingNextPort = false;
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bool wasConnected = false;
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uint32_t willRetryConnectCount = 5;
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Timer *reconnectTimer;
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bool usefullData = false;
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bool forceNextPort = false;
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bool isMediaConnection = false;
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bool waitForReconnectTimer = false;
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bool connectionInProcess = false;
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uint32_t lastReconnectTimeout = 100;
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int64_t usefullDataReceiveTime;
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uint32_t currentTimeout = 4;
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uint32_t receivedDataAmount = 0;
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uint8_t temp[64];
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AES_KEY encryptKey;
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uint8_t encryptIv[16];
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uint32_t encryptNum;
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uint8_t encryptCount[16];
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AES_KEY decryptKey;
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uint8_t decryptIv[16];
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uint32_t decryptNum;
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uint8_t decryptCount[16];
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friend class ConnectionsManager;
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};
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#endif
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