I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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#ifndef DESTINATION_H__
#define DESTINATION_H__
#include <thread>
#include <mutex>
#include "Identity.h"
#include "TunnelPool.h"
#include "CryptoConst.h"
#include "LeaseSet.h"
#include "Garlic.h"
#include "Streaming.h"
namespace i2p
{
namespace stream
{
class StreamingDestination: public i2p::garlic::GarlicDestination
{
public:
StreamingDestination (bool isPublic, i2p::data::SigningKeyType sigType);
StreamingDestination (const std::string& fullPath, bool isPublic);
StreamingDestination (const i2p::data::PrivateKeys& keys, bool isPublic);
~StreamingDestination ();
void Start ();
void Stop ();
bool IsRunning () const { return m_IsRunning; };
i2p::tunnel::TunnelPool * GetTunnelPool () const { return m_Pool; };
Stream * CreateNewOutgoingStream (const i2p::data::LeaseSet& remote);
void DeleteStream (Stream * stream);
void SetAcceptor (const std::function<void (Stream *)>& acceptor) { m_Acceptor = acceptor; };
void ResetAcceptor () { m_Acceptor = nullptr; };
bool IsAcceptorSet () const { return m_Acceptor != nullptr; };
void HandleNextPacket (Packet * packet);
void SendTunnelDataMsgs (const std::vector<i2p::tunnel::TunnelMessageBlock>& msgs);
void ResetCurrentOutboundTunnel () { m_CurrentOutboundTunnel = nullptr; };
const i2p::data::LeaseSet * FindLeaseSet (const i2p::data::IdentHash& ident);
// I2CP
void HandleDataMessage (const uint8_t * buf, size_t len);
I2NPMessage * CreateDataMessage (const uint8_t * payload, size_t len);
// implements LocalDestination
const i2p::data::PrivateKeys& GetPrivateKeys () const { return m_Keys; };
const uint8_t * GetEncryptionPrivateKey () const { return m_EncryptionPrivateKey; };
const uint8_t * GetEncryptionPublicKey () const { return m_EncryptionPublicKey; };
// implements GarlicDestination
const i2p::data::LeaseSet * GetLeaseSet ();
void HandleI2NPMessage (const uint8_t * buf, size_t len, i2p::tunnel::InboundTunnel * from);
// override GarlicDestination
void ProcessGarlicMessage (I2NPMessage * msg);
void ProcessDeliveryStatusMessage (I2NPMessage * msg);
void SetLeaseSetUpdated ();
private:
void Run ();
Stream * CreateNewIncomingStream ();
void UpdateLeaseSet ();
void HandleDatabaseStoreMessage (const uint8_t * buf, size_t len);
private:
bool m_IsRunning;
std::thread * m_Thread;
boost::asio::io_service * m_Service;
boost::asio::io_service::work * m_Work;
std::map<i2p::data::IdentHash, i2p::data::LeaseSet *> m_RemoteLeaseSets;
std::mutex m_StreamsMutex;
std::map<uint32_t, Stream *> m_Streams;
i2p::data::PrivateKeys m_Keys;
uint8_t m_EncryptionPublicKey[256], m_EncryptionPrivateKey[256];
i2p::tunnel::TunnelPool * m_Pool;
i2p::tunnel::OutboundTunnel * m_CurrentOutboundTunnel;
i2p::data::LeaseSet * m_LeaseSet;
bool m_IsPublic;
std::function<void (Stream *)> m_Acceptor;
public:
// for HTTP only
int GetNumRemoteLeaseSets () const { return m_RemoteLeaseSets.size (); };
const decltype(m_Streams)& GetStreams () const { return m_Streams; };
};
class StreamingDestinations
{
public:
StreamingDestinations (): m_SharedLocalDestination (nullptr) {};
~StreamingDestinations () {};
void Start ();
void Stop ();
Stream * CreateClientStream (const i2p::data::LeaseSet& remote);
void DeleteStream (Stream * stream);
StreamingDestination * GetSharedLocalDestination () const { return m_SharedLocalDestination; };
StreamingDestination * CreateNewLocalDestination (bool isPublic, i2p::data::SigningKeyType sigType);
StreamingDestination * CreateNewLocalDestination (const i2p::data::PrivateKeys& keys, bool isPublic);
void DeleteLocalDestination (StreamingDestination * destination);
StreamingDestination * FindLocalDestination (const i2p::data::IdentHash& destination) const;
StreamingDestination * LoadLocalDestination (const std::string& filename, bool isPublic);
private:
void LoadLocalDestinations ();
private:
std::mutex m_DestinationsMutex;
std::map<i2p::data::IdentHash, StreamingDestination *> m_Destinations;
StreamingDestination * m_SharedLocalDestination;
public:
// for HTTP
const decltype(m_Destinations)& GetDestinations () const { return m_Destinations; };
};
Stream * CreateStream (const i2p::data::LeaseSet& remote);
void DeleteStream (Stream * stream);
void StartStreaming ();
void StopStreaming ();
StreamingDestination * GetSharedLocalDestination ();
StreamingDestination * CreateNewLocalDestination (bool isPublic = true, i2p::data::SigningKeyType sigType = i2p::data::SIGNING_KEY_TYPE_DSA_SHA1); // transient
StreamingDestination * CreateNewLocalDestination (const i2p::data::PrivateKeys& keys, bool isPublic = true);
void DeleteLocalDestination (StreamingDestination * destination);
StreamingDestination * FindLocalDestination (const i2p::data::IdentHash& destination);
StreamingDestination * LoadLocalDestination (const std::string& filename, bool isPublic);
// for HTTP
const StreamingDestinations& GetLocalDestinations ();
}
}
#endif