mirror of
https://github.com/PurpleI2P/i2pd
synced 2024-11-10 08:00:38 +03:00
92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
#ifndef SSU_H__
|
|
#define SSU_H__
|
|
|
|
#include <inttypes.h>
|
|
#include <string.h>
|
|
#include <map>
|
|
#include <list>
|
|
#include <set>
|
|
#include <thread>
|
|
#include <mutex>
|
|
#include <boost/asio.hpp>
|
|
#include "aes.h"
|
|
#include "I2PEndian.h"
|
|
#include "Identity.h"
|
|
#include "RouterInfo.h"
|
|
#include "I2NPProtocol.h"
|
|
#include "SSUSession.h"
|
|
|
|
namespace i2p
|
|
{
|
|
namespace transport
|
|
{
|
|
const int SSU_KEEP_ALIVE_INTERVAL = 30; // 30 seconds
|
|
const int SSU_TO_INTRODUCER_SESSION_DURATION = 3600; // 1 hour
|
|
const size_t SSU_MAX_NUM_INTRODUCERS = 3;
|
|
|
|
class SSUServer
|
|
{
|
|
public:
|
|
|
|
SSUServer (int port);
|
|
~SSUServer ();
|
|
void Start ();
|
|
void Stop ();
|
|
std::shared_ptr<SSUSession> GetSession (std::shared_ptr<const i2p::data::RouterInfo> router, bool peerTest = false);
|
|
std::shared_ptr<SSUSession> FindSession (std::shared_ptr<const i2p::data::RouterInfo> router) const;
|
|
std::shared_ptr<SSUSession> FindSession (const boost::asio::ip::udp::endpoint& e) const;
|
|
std::shared_ptr<SSUSession> GetRandomEstablishedSession (std::shared_ptr<const SSUSession> excluded);
|
|
void DeleteSession (std::shared_ptr<SSUSession> session);
|
|
void DeleteAllSessions ();
|
|
|
|
boost::asio::io_service& GetService () { return m_Service; };
|
|
boost::asio::io_service& GetServiceV6 () { return m_ServiceV6; };
|
|
const boost::asio::ip::udp::endpoint& GetEndpoint () const { return m_Endpoint; };
|
|
void Send (const uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& to);
|
|
void AddRelay (uint32_t tag, const boost::asio::ip::udp::endpoint& relay);
|
|
std::shared_ptr<SSUSession> FindRelaySession (uint32_t tag);
|
|
|
|
private:
|
|
|
|
void Run ();
|
|
void RunV6 ();
|
|
void Receive ();
|
|
void ReceiveV6 ();
|
|
void HandleReceivedFrom (const boost::system::error_code& ecode, std::size_t bytes_transferred);
|
|
void HandleReceivedFromV6 (const boost::system::error_code& ecode, std::size_t bytes_transferred);
|
|
void HandleReceivedBuffer (boost::asio::ip::udp::endpoint& from, uint8_t * buf, std::size_t bytes_transferred);
|
|
|
|
template<typename Filter>
|
|
std::shared_ptr<SSUSession> GetRandomSession (Filter filter);
|
|
|
|
std::set<SSUSession *> FindIntroducers (int maxNumIntroducers);
|
|
void ScheduleIntroducersUpdateTimer ();
|
|
void HandleIntroducersUpdateTimer (const boost::system::error_code& ecode);
|
|
|
|
private:
|
|
|
|
bool m_IsRunning;
|
|
std::thread * m_Thread, * m_ThreadV6;
|
|
boost::asio::io_service m_Service, m_ServiceV6;
|
|
boost::asio::io_service::work m_Work, m_WorkV6;
|
|
boost::asio::ip::udp::endpoint m_Endpoint, m_EndpointV6;
|
|
boost::asio::ip::udp::socket m_Socket, m_SocketV6;
|
|
boost::asio::ip::udp::endpoint m_SenderEndpoint, m_SenderEndpointV6;
|
|
boost::asio::deadline_timer m_IntroducersUpdateTimer;
|
|
std::list<boost::asio::ip::udp::endpoint> m_Introducers; // introducers we are connected to
|
|
i2p::crypto::AESAlignedBuffer<2*SSU_MTU_V4> m_ReceiveBuffer;
|
|
i2p::crypto::AESAlignedBuffer<2*SSU_MTU_V6> m_ReceiveBufferV6;
|
|
std::mutex m_SessionsMutex;
|
|
std::map<boost::asio::ip::udp::endpoint, std::shared_ptr<SSUSession> > m_Sessions;
|
|
std::map<uint32_t, boost::asio::ip::udp::endpoint> m_Relays; // we are introducer
|
|
|
|
public:
|
|
// for HTTP only
|
|
const decltype(m_Sessions)& GetSessions () const { return m_Sessions; };
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|