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publish own RouterInfo in router's thread

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orignal 2023-02-24 18:28:30 -05:00
parent 2e62f9532f
commit f84d88ac63
4 changed files with 142 additions and 107 deletions
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87
libi2pd/NetDb.cpp
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@ -36,7 +36,7 @@ namespace data
{
NetDb netdb;
NetDb::NetDb (): m_IsRunning (false), m_Thread (nullptr), m_Reseeder (nullptr), m_Storage("netDb", "r", "routerInfo-", "dat"), m_PersistProfiles (true), m_HiddenMode(false)
NetDb::NetDb (): m_IsRunning (false), m_Thread (nullptr), m_Reseeder (nullptr), m_Storage("netDb", "r", "routerInfo-", "dat"), m_PersistProfiles (true)
{
}
@ -106,7 +106,7 @@ namespace data
{
i2p::util::SetThreadName("NetDB");
uint64_t lastSave = 0, lastPublish = 0, lastExploratory = 0, lastManageRequest = 0, lastDestinationCleanup = 0;
uint64_t lastSave = 0, lastExploratory = 0, lastManageRequest = 0, lastDestinationCleanup = 0;
uint64_t lastProfilesCleanup = i2p::util::GetSecondsSinceEpoch ();
int16_t profilesCleanupVariance = 0;
@ -132,9 +132,6 @@ namespace data
case eI2NPDatabaseLookup:
HandleDatabaseLookupMsg (msg);
break;
case eI2NPDeliveryStatus:
HandleDeliveryStatusMsg (msg);
break;
case eI2NPDummyMsg:
// plain RouterInfo from NTCP2 with flags for now
HandleNTCP2RouterInfoMsg (msg);
@ -184,33 +181,6 @@ namespace data
profilesCleanupVariance = (rand () % (2 * i2p::data::PEER_PROFILE_AUTOCLEAN_VARIANCE) - i2p::data::PEER_PROFILE_AUTOCLEAN_VARIANCE);
}
// publish
if (!m_HiddenMode && i2p::transport::transports.IsOnline ())
{
bool publish = false;
if (m_PublishReplyToken)
{
// next publishing attempt
if (ts - lastPublish >= NETDB_PUBLISH_CONFIRMATION_TIMEOUT) publish = true;
}
else if (i2p::context.GetLastUpdateTime () > lastPublish ||
ts - lastPublish >= NETDB_PUBLISH_INTERVAL ||
ts + NETDB_PUBLISH_INTERVAL < lastPublish)
{
// new publish
m_PublishExcluded.clear ();
if (i2p::context.IsFloodfill ())
m_PublishExcluded.insert (i2p::context.GetIdentHash ()); // do publish to ourselves
publish = true;
}
if (publish) // update timestamp and publish
{
i2p::context.UpdateTimestamp (ts);
Publish ();
lastPublish = ts;
}
}
if (ts - lastExploratory >= 30 || ts + 30 < lastExploratory) // exploratory every 30 seconds
{
auto numRouters = m_RouterInfos.size ();
@ -224,7 +194,7 @@ namespace data
if (numRouters < 1) numRouters = 1;
if (numRouters > 9) numRouters = 9;
m_Requests.ManageRequests ();
if(!m_HiddenMode)
if(!i2p::context.IsHidden ())
Explore (numRouters);
lastExploratory = ts;
}
@ -237,12 +207,6 @@ namespace data
}
}
void NetDb::SetHidden(bool hide)
{
// TODO: remove reachable addresses from router info
m_HiddenMode = hide;
}
std::shared_ptr<const RouterInfo> NetDb::AddRouterInfo (const uint8_t * buf, int len)
{
bool updated;
@ -1125,16 +1089,6 @@ namespace data
}
}
void NetDb::HandleDeliveryStatusMsg (std::shared_ptr<const I2NPMessage> msg)
{
if (m_PublishReplyToken == bufbe32toh (msg->GetPayload () + DELIVERY_STATUS_MSGID_OFFSET))
{
LogPrint (eLogInfo, "NetDb: Publishing confirmed. reply token=", m_PublishReplyToken);
m_PublishExcluded.clear ();
m_PublishReplyToken = 0;
}
}
void NetDb::Explore (int numDestinations)
{
// new requests
@ -1185,41 +1139,6 @@ namespace data
outbound->SendTunnelDataMsg (msgs);
}
void NetDb::Publish ()
{
i2p::context.UpdateStats (); // for floodfill
if (m_PublishExcluded.size () > NETDB_MAX_PUBLISH_EXCLUDED_FLOODFILLS)
{
LogPrint (eLogError, "NetDb: Couldn't publish our RouterInfo to ", NETDB_MAX_PUBLISH_EXCLUDED_FLOODFILLS, " closest routers. Try again");
m_PublishExcluded.clear ();
}
auto floodfill = GetClosestFloodfill (i2p::context.GetIdentHash (), m_PublishExcluded);
if (floodfill)
{
uint32_t replyToken;
RAND_bytes ((uint8_t *)&replyToken, 4);
LogPrint (eLogInfo, "NetDb: Publishing our RouterInfo to ", i2p::data::GetIdentHashAbbreviation(floodfill->GetIdentHash ()), ". reply token=", replyToken);
m_PublishExcluded.insert (floodfill->GetIdentHash ());
m_PublishReplyToken = replyToken;
if (floodfill->IsReachableFrom (i2p::context.GetRouterInfo ()) || // are we able to connect?
i2p::transport::transports.IsConnected (floodfill->GetIdentHash ())) // already connected ?
// send directly
transports.SendMessage (floodfill->GetIdentHash (), CreateDatabaseStoreMsg (i2p::context.GetSharedRouterInfo (), replyToken));
else
{
// otherwise through exploratory
auto exploratoryPool = i2p::tunnel::tunnels.GetExploratoryPool ();
auto outbound = exploratoryPool ? exploratoryPool->GetNextOutboundTunnel (nullptr, floodfill->GetCompatibleTransports (false)) : nullptr;
auto inbound = exploratoryPool ? exploratoryPool->GetNextInboundTunnel (nullptr, floodfill->GetCompatibleTransports (true)) : nullptr;
if (inbound && outbound)
outbound->SendTunnelDataMsg (floodfill->GetIdentHash (), 0,
CreateDatabaseStoreMsg (i2p::context.GetSharedRouterInfo (), replyToken, inbound));
}
}
}
void NetDb::Flood (const IdentHash& ident, std::shared_ptr<I2NPMessage> floodMsg)
{
std::set<IdentHash> excluded;