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send HolePunch if unreachable

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orignal 2014-09-13 19:43:25 -04:00
parent 7ec2318bba
commit 5c2785cfca
2 changed files with 19 additions and 15 deletions
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8
SSU.cpp
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@ -485,7 +485,7 @@ namespace ssu
buf += 4; // address
uint16_t port = be16toh (*(uint16_t *)buf);
// send hole punch of 1 byte
m_Server.Send (buf, 1, boost::asio::ip::udp::endpoint (address, port));
m_Server.Send (buf, 0, boost::asio::ip::udp::endpoint (address, port));
}
else
LogPrint ("Address size ", size, " is not supported");
@ -1030,7 +1030,7 @@ namespace ssu
{
// connect through introducer
int numIntroducers = address->introducers.size ();
if (numIntroducers > 0 && !i2p::context.GetRouterInfo ().UsesIntroducer ())
if (numIntroducers > 0)
{
SSUSession * introducerSession = nullptr;
const i2p::data::RouterInfo::Introducer * introducer = nullptr;
@ -1060,11 +1060,13 @@ namespace ssu
LogPrint ("Introduce new SSU session to [", router->GetIdentHashAbbreviation (),
"] through introducer ", introducer->iHost, ":", introducer->iPort);
session->WaitForIntroduction ();
if (i2p::context.GetRouterInfo ().UsesIntroducer ()) // if we are unreachable
Send (m_ReceiveBuffer, 0, remoteEndpoint); // send HolePunch
introducerSession->Introduce (introducer->iTag, introducer->iKey);
}
else
{
LogPrint ("Can't connect to unreachable router. ", numIntroducers ? "We are unreachable" : "No introducers presented");
LogPrint ("Can't connect to unreachable router. No introducers presented");
m_Sessions.erase (remoteEndpoint);
delete session;
session = nullptr;