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update datagram session logic

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This commit is contained in:
Jeff Becker 2016-09-03 14:56:51 -04:00
parent 8cdd3a0abb
commit 7cc805b203
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GPG Key ID: AB950234D6EA286B
1 changed files with 18 additions and 7 deletions
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21
Datagram.cpp
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@ -146,7 +146,6 @@ namespace datagram
LogPrint(eLogInfo, "DatagramDestination: expiring idle session with ", ident.ToBase32());
m_Sessions.erase(ident);
}
m_Owner->CleanupExpiredTags();
ScheduleCleanup();
}
@ -218,6 +217,11 @@ namespace datagram
void DatagramSession::HandleSend(std::shared_ptr<I2NPMessage> msg)
{
if(!m_RoutingSession)
{
// try to get one
if(m_RemoteLeaseSet) m_RoutingSession = m_LocalDestination->GetRoutingSession(m_RemoteLeaseSet, true);
}
// do we have a routing session?
if(m_RoutingSession)
{
@ -226,7 +230,11 @@ namespace datagram
{
LogPrint(eLogDebug, "DatagramSession: try getting new routing path");
// try switching paths
UpdateRoutingPath (GetNextRoutingPath ());
auto path = GetNextRoutingPath();
if(path)
UpdateRoutingPath (path);
else
ResetRoutingPath();
}
auto routingPath = m_RoutingSession->GetSharedRoutingPath ();
// make sure we have a routing path
@ -282,7 +290,6 @@ namespace datagram
bool DatagramSession::ShouldSwitchLease() const
{
auto now = i2p::util::GetMillisecondsSinceEpoch ();
std::shared_ptr<i2p::garlic::GarlicRoutingPath> routingPath = nullptr;
std::shared_ptr<const i2p::data::Lease> currentLease = nullptr;
if(m_RoutingSession)
@ -290,7 +297,7 @@ namespace datagram
if(routingPath)
currentLease = routingPath->remoteLease;
if(currentLease) // if we have a lease return true if it's about to expire otherwise return false
return now - currentLease->ExpiresWithin( DATAGRAM_SESSION_LEASE_HANDOVER_WINDOW, DATAGRAM_SESSION_LEASE_HANDOVER_FUDGE );
return currentLease->ExpiresWithin( DATAGRAM_SESSION_LEASE_HANDOVER_WINDOW, DATAGRAM_SESSION_LEASE_HANDOVER_FUDGE );
// we have no current lease, we should switch
return true;
}
@ -418,7 +425,11 @@ namespace datagram
m_InvalidIBGW.clear();
m_RemoteLeaseSet = remoteIdent;
// update routing path
UpdateRoutingPath(GetNextRoutingPath());
auto path = GetNextRoutingPath();
if (path)
UpdateRoutingPath(path);
else
ResetRoutingPath();
// send the message that was queued if it was provided
if(msg)
HandleSend(msg);