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recognize duplicated routers and store duplicated flag in profile

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orignal 2024-07-07 11:26:17 -04:00
parent 0c943f4405
commit 64cc59d1e9
3 changed files with 22 additions and 3 deletions
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13
libi2pd/Profiling.cpp
View File

@ -36,7 +36,8 @@ namespace data
m_LastUpdateTime (GetTime ()), m_IsUpdated (false),
m_LastDeclineTime (0), m_LastUnreachableTime (0),
m_NumTunnelsAgreed (0), m_NumTunnelsDeclined (0), m_NumTunnelsNonReplied (0),
m_NumTimesTaken (0), m_NumTimesRejected (0), m_HasConnected (false)
m_NumTimesTaken (0), m_NumTimesRejected (0), m_HasConnected (false),
m_IsDuplicated (false)
{
}
@ -57,6 +58,8 @@ namespace data
usage.put (PEER_PROFILE_USAGE_TAKEN, m_NumTimesTaken);
usage.put (PEER_PROFILE_USAGE_REJECTED, m_NumTimesRejected);
usage.put (PEER_PROFILE_USAGE_CONNECTED, m_HasConnected);
if (m_IsDuplicated)
usage.put (PEER_PROFILE_USAGE_DUPLICATED, true);
// fill property tree
boost::property_tree::ptree pt;
pt.put (PEER_PROFILE_LAST_UPDATE_TIME, boost::posix_time::to_simple_string (m_LastUpdateTime));
@ -126,6 +129,7 @@ namespace data
m_NumTimesTaken = usage.get (PEER_PROFILE_USAGE_TAKEN, 0);
m_NumTimesRejected = usage.get (PEER_PROFILE_USAGE_REJECTED, 0);
m_HasConnected = usage.get (PEER_PROFILE_USAGE_CONNECTED, false);
m_IsDuplicated = usage.get (PEER_PROFILE_USAGE_DUPLICATED, false);
}
catch (boost::property_tree::ptree_bad_path& ex)
{
@ -178,6 +182,11 @@ namespace data
UpdateTime ();
}
void RouterProfile::Duplicated ()
{
m_IsDuplicated = true;
}
bool RouterProfile::IsLowPartcipationRate () const
{
return 4*m_NumTunnelsAgreed < m_NumTunnelsDeclined; // < 20% rate
@ -201,7 +210,7 @@ namespace data
bool RouterProfile::IsBad ()
{
if (IsDeclinedRecently () || IsUnreachable ()) return true;
if (IsDeclinedRecently () || IsUnreachable () || m_IsDuplicated) return true;
auto isBad = IsAlwaysDeclining () || IsLowPartcipationRate () /*|| IsLowReplyRate ()*/;
if (isBad && m_NumTimesRejected > 10*(m_NumTimesTaken + 1))
{

3
libi2pd/Profiling.h
View File

@ -30,6 +30,7 @@ namespace data
const char PEER_PROFILE_USAGE_TAKEN[] = "taken";
const char PEER_PROFILE_USAGE_REJECTED[] = "rejected";
const char PEER_PROFILE_USAGE_CONNECTED[] = "connected";
const char PEER_PROFILE_USAGE_DUPLICATED[] = "duplicated";
const int PEER_PROFILE_EXPIRATION_TIMEOUT = 36; // in hours (1.5 days)
const int PEER_PROFILE_AUTOCLEAN_TIMEOUT = 1500; // in seconds (25 minutes)
@ -59,6 +60,7 @@ namespace data
void Unreachable (bool unreachable);
void Connected ();
void Duplicated ();
boost::posix_time::ptime GetLastUpdateTime () const { return m_LastUpdateTime; };
bool IsUpdated () const { return m_IsUpdated; };
@ -87,6 +89,7 @@ namespace data
uint32_t m_NumTimesTaken;
uint32_t m_NumTimesRejected;
bool m_HasConnected; // successful trusted(incoming or NTCP2) connection
bool m_IsDuplicated;
};
std::shared_ptr<RouterProfile> GetRouterProfile (const IdentHash& identHash);

9
libi2pd/SSU2Session.cpp
View File

@ -1132,7 +1132,14 @@ namespace transport
LogPrint (eLogError, "SSU2: Couldn't update RouterInfo from SessionConfirmed in netdb");
return false;
}
if (ri->GetTimestamp () >= ri1->GetTimestamp ()) ri = ri1; // received RouterInfo is not older than one in netdb
if (ri->GetTimestamp () + i2p::data::NETDB_EXPIRATION_TIMEOUT_THRESHOLD*1000LL >= ri1->GetTimestamp ())
ri = ri1; // received RouterInfo is not older than one in netdb
else
{
// othewise we assume duplicate
auto profile = i2p::data::GetRouterProfile (ri->GetIdentHash ());
if (profile) profile->Duplicated (); // mark router as duplicated in profile
}
m_Address = m_RemoteEndpoint.address ().is_v6 () ? ri->GetSSU2V6Address () : ri->GetSSU2V4Address ();
if (!m_Address || memcmp (S, m_Address->s, 32))