Browse Source

Add the TCPIPAcceptor class for handling TCP/IP services on clearnet

pull/146/head
Francisco Blas (klondike) Izquierdo Riera 10 years ago
parent
commit
114022d18a
  1. 44
      I2PService.cpp
  2. 36
      I2PService.h

44
I2PService.cpp

@ -32,5 +32,49 @@ namespace client
streamRequestComplete (nullptr); streamRequestComplete (nullptr);
} }
} }
void TCPIPAcceptor::Start ()
{
m_Acceptor.listen ();
Accept ();
}
void TCPIPAcceptor::Stop ()
{
m_Acceptor.close();
m_Timer.cancel ();
ClearHandlers();
}
void TCPIPAcceptor::Accept ()
{
auto newSocket = new boost::asio::ip::tcp::socket (GetService ());
m_Acceptor.async_accept (*newSocket, std::bind (&TCPIPAcceptor::HandleAccept, this,
std::placeholders::_1, newSocket));
}
void TCPIPAcceptor::HandleAccept (const boost::system::error_code& ecode, boost::asio::ip::tcp::socket * socket)
{
if (!ecode)
{
LogPrint(eLogDebug,"--- ",GetName()," accepted");
auto handler = CreateHandler(socket);
if (handler) {
AddHandler(handler);
handler->Handle();
} else {
socket->close();
delete socket;
}
Accept();
}
else
{
if (ecode != boost::asio::error::operation_aborted)
LogPrint (eLogError,"--- ",GetName()," Closing socket on accept because: ", ecode.message ());
delete socket;
}
}
} }
} }

36
I2PService.h

@ -46,6 +46,7 @@ namespace client
virtual void Start () = 0; virtual void Start () = 0;
virtual void Stop () = 0; virtual void Stop () = 0;
virtual const char* GetName() { return "Generic I2P Service"; }
private: private:
ClientDestination * m_LocalDestination; ClientDestination * m_LocalDestination;
@ -59,19 +60,48 @@ namespace client
public: public:
I2PServiceHandler(I2PService * parent) : m_Service(parent), m_Dead(false) { } I2PServiceHandler(I2PService * parent) : m_Service(parent), m_Dead(false) { }
virtual ~I2PServiceHandler() { } virtual ~I2PServiceHandler() { }
//If you override this make sure you call it from the children
virtual void Handle() {}; //Start handling the socket
protected: protected:
// Call when terminating or handing over to avoid race conditions // Call when terminating or handing over to avoid race conditions
inline bool Kill() { return m_Dead.exchange(true); } inline bool Kill () { return m_Dead.exchange(true); }
// Call to know if the handler is dead // Call to know if the handler is dead
inline bool Dead() { return m_Dead; } inline bool Dead () { return m_Dead; }
// Call when done to clean up (make sure Kill is called first) // Call when done to clean up (make sure Kill is called first)
inline void Done(std::shared_ptr<I2PServiceHandler> me) { if(m_Service) m_Service->RemoveHandler(me); } inline void Done (std::shared_ptr<I2PServiceHandler> me) { if(m_Service) m_Service->RemoveHandler(me); }
// Call to talk with the owner // Call to talk with the owner
inline I2PService * GetOwner() { return m_Service; } inline I2PService * GetOwner() { return m_Service; }
private: private:
I2PService *m_Service; I2PService *m_Service;
std::atomic<bool> m_Dead; //To avoid cleaning up multiple times std::atomic<bool> m_Dead; //To avoid cleaning up multiple times
}; };
//This is a service that listens for connections on the IP network and interacts with I2P
class TCPIPAcceptor: public I2PService
{
public:
TCPIPAcceptor (int port, ClientDestination * localDestination = nullptr) :
I2PService(localDestination),
m_Acceptor (GetService (), boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), port)),
m_Timer (GetService ()) {}
TCPIPAcceptor (int port, i2p::data::SigningKeyType kt) :
I2PService(kt),
m_Acceptor (GetService (), boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), port)),
m_Timer (GetService ()) {}
virtual ~TCPIPAcceptor () { TCPIPAcceptor::Stop(); }
//If you override this make sure you call it from the children
void Start ();
//If you override this make sure you call it from the children
void Stop ();
protected:
virtual std::shared_ptr<I2PServiceHandler> CreateHandler(boost::asio::ip::tcp::socket * socket) = 0;
virtual const char* GetName() { return "Generic TCP/IP accepting daemon"; }
private:
void Accept();
void HandleAccept(const boost::system::error_code& ecode, boost::asio::ip::tcp::socket * socket);
boost::asio::ip::tcp::acceptor m_Acceptor;
boost::asio::deadline_timer m_Timer;
};
} }
} }

Loading…
Cancel
Save