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configurable transit tunnels limit

pull/478/head
orignal 9 years ago
parent
commit
e120e9a78e
  1. 1
      Config.cpp
  2. 2
      Daemon.cpp
  3. 12
      I2NPProtocol.cpp
  4. 5
      I2NPProtocol.h

1
Config.cpp

@ -198,6 +198,7 @@ namespace config { @@ -198,6 +198,7 @@ namespace config {
m_OptionsDesc
.add(general)
.add(limits)
.add(httpserver)
.add(httpproxy)
.add(socksproxy)

2
Daemon.cpp

@ -141,6 +141,8 @@ namespace i2p @@ -141,6 +141,8 @@ namespace i2p
i2p::context.SetSupportsV6 (ipv6);
i2p::context.SetSupportsV4 (ipv4);
i2p::context.SetAcceptsTunnels (!transit);
uint16_t transitTunnels; i2p::config::GetOption("limits.transittunnels", transitTunnels);
SetMaxNumTransitTunnels (transitTunnels);
bool isFloodfill; i2p::config::GetOption("floodfill", isFloodfill);
if (isFloodfill) {

12
I2NPProtocol.cpp

@ -286,6 +286,16 @@ namespace i2p @@ -286,6 +286,16 @@ namespace i2p
return !msg->GetPayload ()[DATABASE_STORE_TYPE_OFFSET]; // 0- RouterInfo
}
static uint16_t g_MaxNumTransitTunnels = DEFAULT_MAX_NUM_TRANSIT_TUNNELS; // TODO:
void SetMaxNumTransitTunnels (uint16_t maxNumTransitTunnels)
{
if (maxNumTransitTunnels > 0 && maxNumTransitTunnels <= 10000 && g_MaxNumTransitTunnels != maxNumTransitTunnels)
{
LogPrint (eLogDebug, "I2NP: Max number of transit tunnels set to ", maxNumTransitTunnels);
g_MaxNumTransitTunnels = maxNumTransitTunnels;
}
}
bool HandleBuildRequestRecords (int num, uint8_t * records, uint8_t * clearText)
{
for (int i = 0; i < num; i++)
@ -298,7 +308,7 @@ namespace i2p @@ -298,7 +308,7 @@ namespace i2p
i2p::crypto::ElGamalDecrypt (i2p::context.GetEncryptionPrivateKey (), record + BUILD_REQUEST_RECORD_ENCRYPTED_OFFSET, clearText);
// replace record to reply
if (i2p::context.AcceptsTunnels () &&
i2p::tunnel::tunnels.GetTransitTunnels ().size () <= MAX_NUM_TRANSIT_TUNNELS &&
i2p::tunnel::tunnels.GetTransitTunnels ().size () <= g_MaxNumTransitTunnels &&
!i2p::transport::transports.IsBandwidthExceeded ())
{
auto transitTunnel = i2p::tunnel::CreateTransitTunnel (

5
I2NPProtocol.h

@ -97,8 +97,6 @@ namespace i2p @@ -97,8 +97,6 @@ namespace i2p
const uint8_t DATABASE_LOOKUP_TYPE_ROUTERINFO_LOOKUP = 0x08; // 1000
const uint8_t DATABASE_LOOKUP_TYPE_EXPLORATORY_LOOKUP = 0x0C; // 1100
const unsigned int MAX_NUM_TRANSIT_TUNNELS = 2500;
namespace tunnel
{
class InboundTunnel;
@ -259,6 +257,9 @@ namespace tunnel @@ -259,6 +257,9 @@ namespace tunnel
std::vector<std::shared_ptr<I2NPMessage> > m_TunnelMsgs, m_TunnelGatewayMsgs;
};
const uint16_t DEFAULT_MAX_NUM_TRANSIT_TUNNELS = 2500;
void SetMaxNumTransitTunnels (uint16_t maxNumTransitTunnels);
}
#endif

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