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check ureachable cap and actual introducers separately

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orignal 2021-04-03 20:03:19 -04:00
parent 4f3333c841
commit 0f166973ca
5 changed files with 8 additions and 12 deletions
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4
libi2pd/NetDb.cpp
View file

@ -454,7 +454,7 @@ namespace data
{
auto r = std::make_shared<RouterInfo>(path);
if (r->GetRouterIdentity () && !r->IsUnreachable () &&
(!r->UsesIntroducer () || m_LastLoad < r->GetTimestamp () + NETDB_INTRODUCEE_EXPIRATION_TIMEOUT*1000LL)) // 1 hour
(!r->HasUnreachableCap () || m_LastLoad < r->GetTimestamp () + NETDB_INTRODUCEE_EXPIRATION_TIMEOUT*1000LL)) // 1 hour
{
r->DeleteBuffer ();
r->ClearProperties (); // properties are not used for regular routers
@ -584,7 +584,7 @@ namespace data
if (it.second->IsUnreachable () && total - deletedCount < NETDB_MIN_ROUTERS)
it.second->SetUnreachable (false);
// find & mark expired routers
if (it.second->UsesIntroducer ())
if (it.second->HasUnreachableCap ())
{
if (ts > it.second->GetTimestamp () + NETDB_INTRODUCEE_EXPIRATION_TIMEOUT*1000LL)
// RouterInfo expires after 1 hour if uses introducer

5
libi2pd/RouterInfo.cpp
View file

@ -1007,11 +1007,6 @@ namespace data
}
}
bool RouterInfo::UsesIntroducer () const
{
return m_Caps & Caps::eUnreachable; // non-reachable
}
std::shared_ptr<const RouterInfo::Address> RouterInfo::GetSSUAddress (bool v4only) const
{
return GetAddress (

3
libi2pd/RouterInfo.h
View file

@ -148,6 +148,7 @@ namespace data
bool IsNTCP2 () const { return (bool)ntcp2; };
bool IsPublishedNTCP2 () const { return IsNTCP2 () && ntcp2->isPublished; };
bool IsReachableSSU () const { return (bool)ssu && (!host.is_unspecified () || !ssu->introducers.empty ()); };
bool UsesIntroducer () const { return (bool)ssu && !ssu->introducers.empty (); };
bool IsIntroducer () const { return caps & eSSUIntroducer; };
bool IsPeerTesting () const { return caps & eSSUTesting; };
@ -188,6 +189,7 @@ namespace data
void SetUnreachableAddressesTransportCaps (uint8_t transports); // bitmask of AddressCaps
bool IsFloodfill () const { return m_Caps & Caps::eFloodfill; };
bool IsReachable () const { return m_Caps & Caps::eReachable; };
bool HasUnreachableCap () const { return m_Caps & Caps::eUnreachable; };
bool IsSSU (bool v4only = true) const;
bool IsSSUV6 () const;
bool IsNTCP2 (bool v4only = true) const;
@ -204,7 +206,6 @@ namespace data
bool IsCompatible (const RouterInfo& other) const { return m_SupportedTransports & other.m_SupportedTransports; };
bool IsReachableFrom (const RouterInfo& other) const;
bool HasValidAddresses () const { return m_SupportedTransports; };
bool UsesIntroducer () const;
bool IsHidden () const { return m_Caps & eHidden; };
bool IsHighBandwidth () const { return m_Caps & RouterInfo::eHighBandwidth; };
bool IsExtraBandwidth () const { return m_Caps & RouterInfo::eExtraBandwidth; };

6
libi2pd/SSU.cpp
View file

@ -445,7 +445,7 @@ namespace transport
{
if (router && address)
{
if (router->UsesIntroducer ())
if (address->UsesIntroducer ())
m_Service.post (std::bind (&SSUServer::CreateSessionThroughIntroducer, this, router, address, peerTest)); // always V4 thread
else
{
@ -481,7 +481,7 @@ namespace transport
void SSUServer::CreateSessionThroughIntroducer (std::shared_ptr<const i2p::data::RouterInfo> router,
std::shared_ptr<const i2p::data::RouterInfo::Address> address, bool peerTest)
{
if (router && router->UsesIntroducer () && address)
if (router && address && address->UsesIntroducer ())
{
if (address->IsV4 () && !i2p::context.SupportsV4 ()) return;
if (address->IsV6 () && !i2p::context.SupportsV6 ()) return;
@ -566,7 +566,7 @@ namespace transport
LogPrint (eLogInfo, "SSU: Introduce new session to [", i2p::data::GetIdentHashAbbreviation (router->GetIdentHash ()),
"] through introducer ", introducer->iHost, ":", introducer->iPort);
session->WaitForIntroduction ();
if (i2p::context.GetRouterInfo ().UsesIntroducer ()) // if we are unreachable
if (i2p::context.GetRouterInfo ().HasUnreachableCap ()) // if we are unreachable. TODO: ipv4 and ipv6
{
uint8_t buf[1];
Send (buf, 0, remoteEndpoint); // send HolePunch

2
libi2pd/SSUSession.cpp
View file

@ -681,7 +681,7 @@ namespace transport
// we didn't have correct endpoint when sent relay request
// now we do
LogPrint (eLogInfo, "SSU: RelayReponse connecting to endpoint ", remoteEndpoint);
if (i2p::context.GetRouterInfo ().UsesIntroducer ()) // if we are unreachable
if (i2p::context.GetRouterInfo ().HasUnreachableCap ()) // if we are unreachable. TODO: ipv4 and ipv6
m_Server.Send (buf, 0, remoteEndpoint); // send HolePunch
// we assume that HolePunch has been sent by this time and our SessionRequest will go through
m_Server.CreateDirectSession (it->second, remoteEndpoint, false);