i2pd/I2PService.h
2015-01-07 21:58:58 +01:00

79 lines
2.3 KiB
C++

#ifndef I2PSERVICE_H__
#define I2PSERVICE_H__
#include <atomic>
#include <mutex>
#include <unordered_set>
#include <memory>
#include <boost/asio.hpp>
#include "Destination.h"
#include "Identity.h"
namespace i2p
{
namespace client
{
class I2PServiceHandler;
class I2PService
{
public:
I2PService (ClientDestination * localDestination = nullptr);
I2PService (i2p::data::SigningKeyType kt);
virtual ~I2PService () { ClearHandlers (); }
inline void AddHandler (std::shared_ptr<I2PServiceHandler> conn)
{
std::unique_lock<std::mutex> l(m_HandlersMutex);
m_Handlers.insert(conn);
}
inline void RemoveHandler (std::shared_ptr<I2PServiceHandler> conn)
{
std::unique_lock<std::mutex> l(m_HandlersMutex);
m_Handlers.erase(conn);
}
inline void ClearHandlers ()
{
std::unique_lock<std::mutex> l(m_HandlersMutex);
m_Handlers.clear();
}
inline ClientDestination * GetLocalDestination () { return m_LocalDestination; }
inline void SetLocalDestination (ClientDestination * dest) { m_LocalDestination = dest; }
void CreateStream (StreamRequestComplete streamRequestComplete, const std::string& dest, int port = 0);
inline boost::asio::io_service& GetService () { return m_LocalDestination->GetService (); }
virtual void Start () = 0;
virtual void Stop () = 0;
private:
ClientDestination * m_LocalDestination;
std::unordered_set<std::shared_ptr<I2PServiceHandler> > m_Handlers;
std::mutex m_HandlersMutex;
};
/*Simple interface for I2PHandlers, allows detection of finalization amongst other things */
class I2PServiceHandler
{
public:
I2PServiceHandler(I2PService * parent) : m_Service(parent), m_Dead(false) { }
virtual ~I2PServiceHandler() { }
protected:
// Call when terminating or handing over to avoid race conditions
inline bool Kill() { return m_Dead.exchange(true); }
// Call to know if the handler is dead
inline bool Dead() { return m_Dead; }
// 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); }
// Call to talk with the owner
inline I2PService * GetOwner() { return m_Service; }
private:
I2PService *m_Service;
std::atomic<bool> m_Dead; //To avoid cleaning up multiple times
};
}
}
#endif