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reuse current introducers if no more available

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orignal 2021-04-23 12:17:48 -04:00
parent 9d79b26506
commit 7a19533380
3 changed files with 29 additions and 8 deletions
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33
libi2pd/SSU.cpp
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@ -670,7 +670,7 @@ namespace transport
for (const auto& s : sessions)
{
if (s.second->GetRelayTag () && s.second->GetState () == eSessionStateEstablished &&
ts < s.second->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_DURATION)
ts < s.second->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_EXPIRATION)
ret.push_back (s.second);
}
if ((int)ret.size () > maxNumIntroducers)
@ -762,13 +762,19 @@ namespace transport
for (const auto& it : introducers)
{
auto session = FindSession (it);
if (session && ts < session->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_DURATION)
if (session)
{
session->SendKeepAlive ();
newList.push_back (it);
numIntroducers++;
if (ts < session->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_EXPIRATION)
session->SendKeepAlive ();
if (ts < session->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_DURATION)
{
newList.push_back (it);
numIntroducers++;
}
else
session = nullptr;
}
else
if (!session)
i2p::context.RemoveIntroducer (it);
}
@ -776,6 +782,19 @@ namespace transport
{
// create new
auto sessions = FindIntroducers (SSU_MAX_NUM_INTRODUCERS, v4); // try to find if duplicates
if (sessions.empty () && !introducers.empty ())
{
// bump creation time for previous introducers if no new sessions found
LogPrint (eLogDebug, "SSU: no new introducers found. Trying to reuse existing");
for (const auto& it : introducers)
{
auto session = FindSession (it);
if (session)
session->SetCreationTime (session->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_DURATION);
}
// try again
sessions = FindIntroducers (SSU_MAX_NUM_INTRODUCERS, v4);
}
for (const auto& it1: sessions)
{
const auto& ep = it1->GetRemoteEndpoint ();
@ -784,7 +803,7 @@ namespace transport
introducer.iPort = ep.port ();
introducer.iTag = it1->GetRelayTag ();
introducer.iKey = it1->GetIntroKey ();
introducer.iExp = it1->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_DURATION;
introducer.iExp = it1->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_EXPIRATION;
if (i2p::context.AddIntroducer (introducer))
{
newList.push_back (ep);