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use existing SSU session if available

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This commit is contained in:
orignal 2014-03-25 21:17:03 -04:00
parent 129052c330
commit 3ae225fb41
3 changed files with 36 additions and 25 deletions
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12
SSU.cpp
View File

@ -796,6 +796,18 @@ namespace ssu
LogPrint ("SSU receive error: ", ecode.message ());
}
SSUSession * SSUServer::FindSession (const i2p::data::RouterInfo * router)
{
if (!router) return nullptr;
auto address = router->GetSSUAddress ();
if (!address) return nullptr;
auto it = m_Sessions.find (boost::asio::ip::udp::endpoint (address->host, address->port));
if (it != m_Sessions.end ())
return it->second;
else
return nullptr;
}
SSUSession * SSUServer::GetSession (const i2p::data::RouterInfo * router)
{
SSUSession * session = nullptr;

1
SSU.h
View File

@ -126,6 +126,7 @@ namespace ssu
void Start ();
void Stop ();
SSUSession * GetSession (const i2p::data::RouterInfo * router);
SSUSession * FindSession (const i2p::data::RouterInfo * router);
void DeleteSession (SSUSession * session);
void DeleteAllSessions ();

48
Transports.cpp
View File

@ -156,34 +156,36 @@ namespace i2p
void Transports::PostMessage (const i2p::data::IdentHash& ident, i2p::I2NPMessage * msg)
{
auto session = FindNTCPSession (ident);
if (!session)
if (session)
session->SendI2NPMessage (msg);
else
{
RouterInfo * r = netdb.FindRouter (ident);
if (r)
{
auto address = r->GetNTCPAddress ();
if (address)
{
session = new i2p::ntcp::NTCPClient (m_Service, address->host, address->port, *r);
AddNTCPSession (session);
}
auto ssuSession = m_SSUServer ? m_SSUServer->FindSession (r) : nullptr;
if (ssuSession)
ssuSession->SendI2NPMessage (msg);
else
{
// SSU always have lower prioprity than NTCP
// TODO: it shouldn't
LogPrint ("No NTCP addresses available. Trying SSU");
address = r->GetSSUAddress ();
if (address && m_SSUServer)
{
auto s = m_SSUServer->GetSession (r);
if (s)
{
s->SendI2NPMessage (msg);
return;
}
}
// existing session not found. create new
// try NTCP first
auto address = r->GetNTCPAddress ();
if (address)
{
auto s = new i2p::ntcp::NTCPClient (m_Service, address->host, address->port, *r);
AddNTCPSession (s);
s->SendI2NPMessage (msg);
}
else
LogPrint ("No SSU addresses available");
{
// then SSU
auto s = m_SSUServer ? m_SSUServer->GetSession (r) : nullptr;
if (s)
s->SendI2NPMessage (msg);
else
LogPrint ("No NTCP and SSU addresses available");
}
}
}
else
@ -192,10 +194,6 @@ namespace i2p
i2p::data::netdb.RequestDestination (ident);
}
}
if (session)
session->SendI2NPMessage (msg);
else
LogPrint ("Session not found");
}
void Transports::DetectExternalIP ()