i2pd/RouterContext.h

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#ifndef ROUTER_CONTEXT_H__
#define ROUTER_CONTEXT_H__
#include <inttypes.h>
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#include <string>
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#include <memory>
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#include <mutex>
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#include <boost/asio.hpp>
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#include <cryptopp/dsa.h>
#include <cryptopp/osrng.h>
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#include "Identity.h"
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#include "RouterInfo.h"
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#include "Garlic.h"
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namespace i2p
{
const char ROUTER_INFO[] = "router.info";
const char ROUTER_KEYS[] = "router.keys";
const int ROUTER_INFO_UPDATE_INTERVAL = 1800; // 30 minutes
const char ROUTER_INFO_PROPERTY_LEASESETS[] = "netdb.knownLeaseSets";
const char ROUTER_INFO_PROPERTY_ROUTERS[] = "netdb.knownRouters";
enum RouterStatus
{
eRouterStatusOK = 0,
eRouterStatusTesting = 1,
eRouterStatusFirewalled = 2
};
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class RouterContext: public i2p::garlic::GarlicDestination
{
public:
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RouterContext ();
void Init ();
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i2p::data::RouterInfo& GetRouterInfo () { return m_RouterInfo; };
std::shared_ptr<const i2p::data::RouterInfo> GetSharedRouterInfo () const
{
return std::shared_ptr<const i2p::data::RouterInfo> (&m_RouterInfo,
[](const i2p::data::RouterInfo *) {});
}
CryptoPP::RandomNumberGenerator& GetRandomNumberGenerator () { return m_Rnd; };
uint32_t GetUptime () const;
uint32_t GetStartupTime () const { return m_StartupTime; };
uint64_t GetLastUpdateTime () const { return m_LastUpdateTime; };
RouterStatus GetStatus () const { return m_Status; };
void SetStatus (RouterStatus status) { m_Status = status; };
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void UpdatePort (int port); // called from Daemon
void UpdateAddress (const boost::asio::ip::address& host); // called from SSU or Daemon
bool AddIntroducer (const i2p::data::RouterInfo& routerInfo, uint32_t tag);
void RemoveIntroducer (const boost::asio::ip::udp::endpoint& e);
bool IsUnreachable () const;
void SetUnreachable ();
void SetReachable ();
bool IsFloodfill () const { return m_IsFloodfill; };
void SetFloodfill (bool floodfill);
void SetHighBandwidth ();
void SetLowBandwidth ();
bool AcceptsTunnels () const { return m_AcceptsTunnels; };
void SetAcceptsTunnels (bool acceptsTunnels) { m_AcceptsTunnels = acceptsTunnels; };
bool SupportsV6 () const { return m_RouterInfo.IsV6 (); };
void SetSupportsV6 (bool supportsV6);
void UpdateNTCPV6Address (const boost::asio::ip::address& host); // called from NTCP session
void UpdateStats ();
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// implements LocalDestination
const i2p::data::PrivateKeys& GetPrivateKeys () const { return m_Keys; };
const uint8_t * GetEncryptionPrivateKey () const { return m_Keys.GetPrivateKey (); };
const uint8_t * GetEncryptionPublicKey () const { return GetIdentity ().GetStandardIdentity ().publicKey; };
void SetLeaseSetUpdated () {};
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// implements GarlicDestination
std::shared_ptr<const i2p::data::LeaseSet> GetLeaseSet () { return nullptr; };
std::shared_ptr<i2p::tunnel::TunnelPool> GetTunnelPool () const;
void HandleI2NPMessage (const uint8_t * buf, size_t len, std::shared_ptr<i2p::tunnel::InboundTunnel> from);
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// override GarlicDestination
void ProcessGarlicMessage (std::shared_ptr<I2NPMessage> msg);
void ProcessDeliveryStatusMessage (std::shared_ptr<I2NPMessage> msg);
private:
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void CreateNewRouter ();
void NewRouterInfo ();
void UpdateRouterInfo ();
bool Load ();
void SaveKeys ();
private:
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i2p::data::RouterInfo m_RouterInfo;
i2p::data::PrivateKeys m_Keys;
CryptoPP::AutoSeededRandomPool m_Rnd;
uint64_t m_LastUpdateTime;
bool m_AcceptsTunnels, m_IsFloodfill;
uint64_t m_StartupTime; // in seconds since epoch
RouterStatus m_Status;
std::mutex m_GarlicMutex;
};
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extern RouterContext context;
}
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#endif