I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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#ifndef NETDB_REQUESTS_H__
#define NETDB_REQUESTS_H__
#include <memory>
#include <set>
#include <map>
#include "Identity.h"
#include "RouterInfo.h"
namespace i2p
{
namespace data
{
class RequestedDestination
{
public:
typedef std::function<void (std::shared_ptr<RouterInfo>)> RequestComplete;
RequestedDestination (const IdentHash& destination, bool isExploratory = false):
m_Destination (destination), m_IsExploratory (isExploratory), m_CreationTime (0) {};
~RequestedDestination () { if (m_RequestComplete) m_RequestComplete (nullptr); };
const IdentHash& GetDestination () const { return m_Destination; };
int GetNumExcludedPeers () const { return m_ExcludedPeers.size (); };
const std::set<IdentHash>& GetExcludedPeers () { return m_ExcludedPeers; };
void ClearExcludedPeers ();
bool IsExploratory () const { return m_IsExploratory; };
bool IsExcluded (const IdentHash& ident) const { return m_ExcludedPeers.count (ident); };
uint64_t GetCreationTime () const { return m_CreationTime; };
I2NPMessage * CreateRequestMessage (std::shared_ptr<const RouterInfo>, std::shared_ptr<const i2p::tunnel::InboundTunnel> replyTunnel);
std::shared_ptr<I2NPMessage> CreateRequestMessage (const IdentHash& floodfill);
void SetRequestComplete (const RequestComplete& requestComplete) { m_RequestComplete = requestComplete; };
bool IsRequestComplete () const { return m_RequestComplete != nullptr; };
void Success (std::shared_ptr<RouterInfo> r);
void Fail ();
private:
IdentHash m_Destination;
bool m_IsExploratory;
std::set<IdentHash> m_ExcludedPeers;
uint64_t m_CreationTime;
RequestComplete m_RequestComplete;
};
class NetDbRequests
{
public:
void Start ();
void Stop ();
std::shared_ptr<RequestedDestination> CreateRequest (const IdentHash& destination, bool isExploratory, RequestedDestination::RequestComplete requestComplete = nullptr);
void RequestComplete (const IdentHash& ident, std::shared_ptr<RouterInfo> r);
std::shared_ptr<RequestedDestination> FindRequest (const IdentHash& ident) const;
void ManageRequests ();
private:
std::mutex m_RequestedDestinationsMutex;
std::map<IdentHash, std::shared_ptr<RequestedDestination> > m_RequestedDestinations;
};
}
}
#endif