i2pd/Transports.h

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#ifndef TRANSPORTS_H__
#define TRANSPORTS_H__
#include <thread>
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#include <mutex>
#include <condition_variable>
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#include <functional>
#include <map>
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#include <queue>
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#include <string>
#include <boost/asio.hpp>
#include "NTCPSession.h"
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#include "SSU.h"
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#include "RouterInfo.h"
#include "I2NPProtocol.h"
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#include "Identity.h"
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namespace i2p
{
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class DHKeysPairSupplier
{
public:
DHKeysPairSupplier (int size): m_QueueSize (size), m_IsRunning (false), m_Thread (nullptr) {};
~DHKeysPairSupplier ();
void Start ();
void Stop ();
i2p::data::DHKeysPair * Acquire ();
void Return (i2p::data::DHKeysPair * pair);
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private:
void Run ();
void CreateDHKeysPairs (int num);
private:
const int m_QueueSize;
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std::queue<i2p::data::DHKeysPair *> m_Queue;
bool m_IsRunning;
std::thread * m_Thread;
std::condition_variable m_Acquired;
std::mutex m_AcquiredMutex;
};
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class Transports
{
public:
Transports ();
~Transports ();
void Start ();
void Stop ();
boost::asio::io_service& GetService () { return m_Service; };
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i2p::data::DHKeysPair * GetNextDHKeysPair ();
void ReuseDHKeysPair (i2p::data::DHKeysPair * pair);
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void AddNTCPSession (i2p::ntcp::NTCPSession * session);
void RemoveNTCPSession (i2p::ntcp::NTCPSession * session);
i2p::ntcp::NTCPSession * GetNextNTCPSession ();
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i2p::ntcp::NTCPSession * FindNTCPSession (const i2p::data::IdentHash& ident);
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void SendMessage (const i2p::data::IdentHash& ident, i2p::I2NPMessage * msg);
void CloseSession (const i2p::data::RouterInfo * router);
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private:
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void Run ();
void HandleAccept (i2p::ntcp::NTCPServerConnection * conn, const boost::system::error_code& error);
void HandleResendTimer (const boost::system::error_code& ecode, boost::asio::deadline_timer * timer,
const i2p::data::IdentHash& ident, i2p::I2NPMessage * msg);
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void PostMessage (const i2p::data::IdentHash& ident, i2p::I2NPMessage * msg);
void PostCloseSession (const i2p::data::RouterInfo * router);
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void DetectExternalIP ();
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private:
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bool m_IsRunning;
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std::thread * m_Thread;
boost::asio::io_service m_Service;
boost::asio::io_service::work m_Work;
boost::asio::ip::tcp::acceptor * m_NTCPAcceptor;
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std::map<i2p::data::IdentHash, i2p::ntcp::NTCPSession *> m_NTCPSessions;
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i2p::ssu::SSUServer * m_SSUServer;
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DHKeysPairSupplier m_DHKeysPairSupplier;
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public:
// for HTTP only
const decltype(m_NTCPSessions)& GetNTCPSessions () const { return m_NTCPSessions; };
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const i2p::ssu::SSUServer * GetSSUServer () const { return m_SSUServer; };
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};
extern Transports transports;
}
#endif