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check expiration of lease

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orignal 2014-01-14 20:57:33 -05:00
parent 68a0643310
commit 659177e2fd
4 changed files with 52 additions and 7 deletions
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12
HTTPServer.cpp
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@ -149,14 +149,14 @@ namespace util
uint8_t destination[32];
i2p::data::Base32ToByteStream (b32.c_str (), b32.length (), destination, 32);
auto leaseSet = i2p::data::netdb.FindLeaseSet (destination);
if (!leaseSet)
if (!leaseSet || !leaseSet->HasNonExpiredLeases ())
{
i2p::data::netdb.RequestDestination (i2p::data::IdentHash (destination), true);
std::this_thread::sleep_for (std::chrono::seconds(10)); // wait for 10 seconds
leaseSet = i2p::data::netdb.FindLeaseSet (destination);
if (!leaseSet) // still no LeaseSet
if (!leaseSet || !leaseSet->HasNonExpiredLeases ()) // still no LeaseSet
{
m_Reply.content = "<html>LeaseSet not found</html>";
m_Reply.content = leaseSet ? "<html>Leases expired</html>" : "<html>LeaseSet not found</html>";
m_Reply.headers.resize(2);
m_Reply.headers[0].name = "Content-Length";
m_Reply.headers[0].value = boost::lexical_cast<std::string>(m_Reply.content.size());
@ -166,6 +166,12 @@ namespace util
}
}
// we found LeaseSet
if (leaseSet->HasExpiredLeases ())
{
// we should re-request LeaseSet
LogPrint ("LeaseSet re-requested");
i2p::data::netdb.RequestDestination (i2p::data::IdentHash (destination), true);
}
auto s = i2p::stream::CreateStream (leaseSet);
if (s)
{

29
LeaseSet.cpp
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@ -1,8 +1,9 @@
#include "I2PEndian.h"
#include <cryptopp/dsa.h>
#include "CryptoConst.h"
#include "Log.h"
#include "Timestamp.h"
#include "LeaseSet.h"
#include "I2PEndian.h"
namespace i2p
{
@ -44,5 +45,31 @@ namespace data
if (!verifier.VerifyMessage (buf, leases - buf, leases, 40))
LogPrint ("LeaseSet verification failed");
}
std::vector<Lease> LeaseSet::GetNonExpiredLeases () const
{
auto ts = i2p::util::GetMillisecondsSinceEpoch ();
std::vector<Lease> leases;
for (auto& it: m_Leases)
if (ts < it.endDate)
leases.push_back (it);
return leases;
}
bool LeaseSet::HasExpiredLeases () const
{
auto ts = i2p::util::GetMillisecondsSinceEpoch ();
for (auto& it: m_Leases)
if (ts >= it.endDate) return true;
return false;
}
bool LeaseSet::HasNonExpiredLeases () const
{
auto ts = i2p::util::GetMillisecondsSinceEpoch ();
for (auto& it: m_Leases)
if (ts < it.endDate) return true;
return false;
}
}
}

3
LeaseSet.h
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@ -34,6 +34,9 @@ namespace data
const Identity& GetIdentity () const { return m_Identity; };
const IdentHash& GetIdentHash () const { return m_IdentHash; };
const std::vector<Lease>& GetLeases () const { return m_Leases; };
std::vector<Lease> GetNonExpiredLeases () const;
bool HasExpiredLeases () const;
bool HasNonExpiredLeases () const;
const uint8_t * GetEncryptionPublicKey () const { return m_EncryptionKey; };
bool IsDestination () const { return true; };

11
Streaming.cpp
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@ -170,10 +170,19 @@ namespace stream
CreateDataMessage (this, packet, size));
if (m_OutboundTunnel)
{
auto& lease = m_RemoteLeaseSet->GetLeases ()[0]; // TODO:
auto leases = m_RemoteLeaseSet->GetNonExpiredLeases ();
if (!leases.empty ())
{
auto& lease = leases[0]; // TODO:
m_OutboundTunnel->SendTunnelDataMsg (lease.tunnelGateway, lease.tunnelID, msg);
LogPrint ("Quick Ack sent");
}
else
{
LogPrint ("All leases are expired");
DeleteI2NPMessage (msg);
}
}
else
DeleteI2NPMessage (msg);
}