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check for transport protocols compatibility between routers

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orignal 2014-01-25 21:47:01 -05:00
parent a0dfd2970b
commit a4c25e773c
6 changed files with 56 additions and 31 deletions

30
NetDb.cpp
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@ -427,7 +427,7 @@ namespace data
auto inbound = i2p::tunnel::tunnels.GetNextInboundTunnel ();
if (outbound && inbound)
{
auto floodfill = GetRandomNTCPRouter (true);
auto floodfill = GetRandomRouter (outbound->GetEndpointRouter (), true);
if (floodfill)
{
LogPrint ("Exploring new routers ...");
@ -495,19 +495,29 @@ namespace data
return last;
}
const RouterInfo * NetDb::GetRandomRouter () const
const RouterInfo * NetDb::GetRandomRouter (const RouterInfo * compatibleWith, bool floodfillOnly) const
{
CryptoPP::RandomNumberGenerator& rnd = i2p::context.GetRandomNumberGenerator ();
uint32_t ind = rnd.GenerateWord32 (0, m_RouterInfos.size () - 1), i = 0;
RouterInfo * last = nullptr;
for (auto it: m_RouterInfos)
uint32_t ind = rnd.GenerateWord32 (0, m_RouterInfos.size () - 1);
for (int j = 0; j < 2; j++)
{
if (!it.second->IsUnreachable ())
last = it.second;
if (i >= ind) break;
else i++;
uint32_t i = 0;
for (auto it: m_RouterInfos)
{
if (i >= ind)
{
if (!it.second->IsUnreachable () &&
(!compatibleWith || it.second->IsCompatible (*compatibleWith)) &&
(!floodfillOnly || it.second->IsFloodfill ()))
return it.second;
}
else
i++;
}
// we couldn't find anything, try second pass
ind = 0;
}
return last;
return nullptr; // seem we have too few routers
}
void NetDb::PostI2NPMsg (I2NPMessage * msg)