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I2P -> .NET
This commit is contained in:
Михаил Подивилов
parent
f176f1909b
commit
fdb0ce6703
272 changed files with 5702 additions and 8931 deletions
213
libdotnet_client/DNCP.h
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213
libdotnet_client/DNCP.h
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/*
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* Copyright (c) 2013-2019, The PurpleI2P Project
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*
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* This file is part of Purple dotnet project and licensed under BSD3
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*
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* See full license text in LICENSE file at top of project tree
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*/
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#ifndef DNCP_H__
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#define DNCP_H__
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#include <inttypes.h>
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#include <string>
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#include <memory>
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#include <thread>
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#include <map>
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#include <boost/asio.hpp>
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#include "Destination.h"
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namespace dotnet
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{
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namespace client
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{
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const uint8_t DNCP_PROTOCOL_BYTE = 0x2A;
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const size_t DNCP_SESSION_BUFFER_SIZE = 4096;
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const size_t DNCP_HEADER_LENGTH_OFFSET = 0;
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const size_t DNCP_HEADER_TYPE_OFFSET = DNCP_HEADER_LENGTH_OFFSET + 4;
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const size_t DNCP_HEADER_SIZE = DNCP_HEADER_TYPE_OFFSET + 1;
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const uint8_t DNCP_GET_DATE_MESSAGE = 32;
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const uint8_t DNCP_SET_DATE_MESSAGE = 33;
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const uint8_t DNCP_CREATE_SESSION_MESSAGE = 1;
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const uint8_t DNCP_RECONFIGURE_SESSION_MESSAGE = 2;
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const uint8_t DNCP_SESSION_STATUS_MESSAGE = 20;
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const uint8_t DNCP_DESTROY_SESSION_MESSAGE = 3;
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const uint8_t DNCP_REQUEST_VARIABLE_LEASESET_MESSAGE = 37;
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const uint8_t DNCP_CREATE_LEASESET_MESSAGE = 4;
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const uint8_t DNCP_CREATE_LEASESET2_MESSAGE = 41;
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const uint8_t DNCP_SEND_MESSAGE_MESSAGE = 5;
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const uint8_t DNCP_SEND_MESSAGE_EXPIRES_MESSAGE = 36;
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const uint8_t DNCP_MESSAGE_PAYLOAD_MESSAGE = 31;
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const uint8_t DNCP_MESSAGE_STATUS_MESSAGE = 22;
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const uint8_t DNCP_HOST_LOOKUP_MESSAGE = 38;
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const uint8_t DNCP_HOST_REPLY_MESSAGE = 39;
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const uint8_t DNCP_DEST_LOOKUP_MESSAGE = 34;
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const uint8_t DNCP_DEST_REPLY_MESSAGE = 35;
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const uint8_t DNCP_GET_BANDWIDTH_LIMITS_MESSAGE = 8;
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const uint8_t DNCP_BANDWIDTH_LIMITS_MESSAGE = 23;
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enum DNCPMessageStatus
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{
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eDNCPMessageStatusAccepted = 1,
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eDNCPMessageStatusGuaranteedSuccess = 4,
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eDNCPMessageStatusGuaranteedFailure = 5,
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eDNCPMessageStatusNoLeaseSet = 21
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};
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// params
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const char DNCP_PARAM_DONT_PUBLISH_LEASESET[] = "dncp.dontPublishLeaseSet";
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const char DNCP_PARAM_MESSAGE_RELIABILITY[] = "dncp.messageReliability";
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class DNCPSession;
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class DNCPDestination: public LeaseSetDestination
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{
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public:
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DNCPDestination (std::shared_ptr<DNCPSession> owner, std::shared_ptr<const dotnet::data::IdentityEx> identity, bool isPublic, const std::map<std::string, std::string>& params);
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void SetEncryptionPrivateKey (const uint8_t * key);
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void LeaseSetCreated (const uint8_t * buf, size_t len); // called from DNCPSession
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void LeaseSet2Created (uint8_t storeType, const uint8_t * buf, size_t len); // called from DNCPSession
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void SendMsgTo (const uint8_t * payload, size_t len, const dotnet::data::IdentHash& ident, uint32_t nonce); // called from DNCPSession
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// implements LocalDestination
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bool Decrypt (const uint8_t * encrypted, uint8_t * data, BN_CTX * ctx) const;
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std::shared_ptr<const dotnet::data::IdentityEx> GetIdentity () const { return m_Identity; };
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protected:
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// DNCP
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void HandleDataMessage (const uint8_t * buf, size_t len);
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void CreateNewLeaseSet (std::vector<std::shared_ptr<dotnet::tunnel::InboundTunnel> > tunnels);
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private:
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std::shared_ptr<DNCPDestination> GetSharedFromThis ()
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{ return std::static_pointer_cast<DNCPDestination>(shared_from_this ()); }
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bool SendMsg (std::shared_ptr<DNNPMessage> msg, std::shared_ptr<const dotnet::data::LeaseSet> remote);
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private:
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std::shared_ptr<DNCPSession> m_Owner;
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std::shared_ptr<const dotnet::data::IdentityEx> m_Identity;
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uint8_t m_EncryptionPrivateKey[256];
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std::shared_ptr<dotnet::crypto::CryptoKeyDecryptor> m_Decryptor;
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uint64_t m_LeaseSetExpirationTime;
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};
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class DNCPServer;
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class DNCPSession: public std::enable_shared_from_this<DNCPSession>
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{
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public:
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#ifdef ANDROID
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typedef boost::asio::local::stream_protocol proto;
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#else
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typedef boost::asio::ip::tcp proto;
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#endif
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DNCPSession (DNCPServer& owner, std::shared_ptr<proto::socket> socket);
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~DNCPSession ();
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void Start ();
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void Stop ();
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uint16_t GetSessionID () const { return m_SessionID; };
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std::shared_ptr<const DNCPDestination> GetDestination () const { return m_Destination; };
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// called from DNCPDestination
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void SendDNCPMessage (uint8_t type, const uint8_t * payload, size_t len);
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void SendMessagePayloadMessage (const uint8_t * payload, size_t len);
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void SendMessageStatusMessage (uint32_t nonce, DNCPMessageStatus status);
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// message handlers
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void GetDateMessageHandler (const uint8_t * buf, size_t len);
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void CreateSessionMessageHandler (const uint8_t * buf, size_t len);
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void DestroySessionMessageHandler (const uint8_t * buf, size_t len);
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void ReconfigureSessionMessageHandler (const uint8_t * buf, size_t len);
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void CreateLeaseSetMessageHandler (const uint8_t * buf, size_t len);
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void CreateLeaseSet2MessageHandler (const uint8_t * buf, size_t len);
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void SendMessageMessageHandler (const uint8_t * buf, size_t len);
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void SendMessageExpiresMessageHandler (const uint8_t * buf, size_t len);
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void HostLookupMessageHandler (const uint8_t * buf, size_t len);
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void DestLookupMessageHandler (const uint8_t * buf, size_t len);
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void GetBandwidthLimitsMessageHandler (const uint8_t * buf, size_t len);
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private:
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void ReadProtocolByte ();
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void ReceiveHeader ();
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void HandleReceivedHeader (const boost::system::error_code& ecode, std::size_t bytes_transferred);
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void ReceivePayload ();
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void HandleReceivedPayload (const boost::system::error_code& ecode, std::size_t bytes_transferred);
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void HandleMessage ();
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void Terminate ();
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void HandleDNCPMessageSent (const boost::system::error_code& ecode, std::size_t bytes_transferred, const uint8_t * buf);
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std::string ExtractString (const uint8_t * buf, size_t len);
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size_t PutString (uint8_t * buf, size_t len, const std::string& str);
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void ExtractMapping (const uint8_t * buf, size_t len, std::map<std::string, std::string>& mapping);
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void SendSessionStatusMessage (uint8_t status);
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void SendHostReplyMessage (uint32_t requestID, std::shared_ptr<const dotnet::data::IdentityEx> identity);
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private:
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DNCPServer& m_Owner;
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std::shared_ptr<proto::socket> m_Socket;
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uint8_t m_Header[DNCP_HEADER_SIZE], * m_Payload;
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size_t m_PayloadLen;
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std::shared_ptr<DNCPDestination> m_Destination;
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uint16_t m_SessionID;
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uint32_t m_MessageID;
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bool m_IsSendAccepted;
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};
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typedef void (DNCPSession::*DNCPMessageHandler)(const uint8_t * buf, size_t len);
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class DNCPServer
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{
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public:
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DNCPServer (const std::string& interface, int port);
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~DNCPServer ();
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void Start ();
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void Stop ();
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boost::asio::io_service& GetService () { return m_Service; };
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bool InsertSession (std::shared_ptr<DNCPSession> session);
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void RemoveSession (uint16_t sessionID);
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private:
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void Run ();
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void Accept ();
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void HandleAccept(const boost::system::error_code& ecode, std::shared_ptr<DNCPSession::proto::socket> socket);
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private:
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DNCPMessageHandler m_MessagesHandlers[256];
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std::map<uint16_t, std::shared_ptr<DNCPSession> > m_Sessions;
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bool m_IsRunning;
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std::thread * m_Thread;
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boost::asio::io_service m_Service;
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DNCPSession::proto::acceptor m_Acceptor;
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public:
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const decltype(m_MessagesHandlers)& GetMessagesHandlers () const { return m_MessagesHandlers; };
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// for HTTP
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const decltype(m_Sessions)& GetSessions () const { return m_Sessions; };
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};
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}
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}
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#endif
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