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Code Issues Releases Activity

eliminate ban list overhead

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This commit is contained in:
orignal 2016-12-31 10:51:42 -05:00
parent f4de68cb22
commit 6b6df15dd9
2 changed files with 5 additions and 48 deletions
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47
NTCPSession.cpp
View File

@ -116,16 +116,10 @@ namespace transport
void NTCPSession::ServerLogin ()
{
boost::system::error_code ec;
auto ep = m_Socket.remote_endpoint(ec);
if (!ec)
{
m_ConnectedFrom = ep.address ();
// receive Phase1
boost::asio::async_read (m_Socket, boost::asio::buffer(&m_Establisher->phase1, sizeof (NTCPPhase1)), boost::asio::transfer_all (),
std::bind(&NTCPSession::HandlePhase1Received, shared_from_this (),
std::placeholders::_1, std::placeholders::_2));
}
// receive Phase1
boost::asio::async_read (m_Socket, boost::asio::buffer(&m_Establisher->phase1, sizeof (NTCPPhase1)), boost::asio::transfer_all (),
std::bind(&NTCPSession::HandlePhase1Received, shared_from_this (),
std::placeholders::_1, std::placeholders::_2));
}
void NTCPSession::HandlePhase1Sent (const boost::system::error_code& ecode, std::size_t bytes_transferred)
@ -502,8 +496,6 @@ namespace transport
if (ecode) {
if (ecode != boost::asio::error::operation_aborted)
LogPrint (eLogDebug, "NTCP: Read error: ", ecode.message ());
if (!m_NumReceivedBytes)
m_Server.Ban (m_ConnectedFrom);
//if (ecode != boost::asio::error::operation_aborted)
Terminate ();
}
@ -890,18 +882,6 @@ namespace transport
if (!ec)
{
LogPrint (eLogDebug, "NTCP: Connected from ", ep);
auto it = m_BanList.find (ep.address ());
if (it != m_BanList.end ())
{
uint32_t ts = i2p::util::GetSecondsSinceEpoch ();
if (ts < it->second)
{
LogPrint (eLogWarning, "NTCP: ", ep.address (), " is banned for ", it->second - ts, " more seconds");
conn = nullptr;
}
else
m_BanList.erase (it);
}
if (conn)
conn->ServerLogin ();
}
@ -927,18 +907,6 @@ namespace transport
if (!ec)
{
LogPrint (eLogDebug, "NTCP: Connected from ", ep);
auto it = m_BanList.find (ep.address ());
if (it != m_BanList.end ())
{
uint32_t ts = i2p::util::GetSecondsSinceEpoch ();
if (ts < it->second)
{
LogPrint (eLogWarning, "NTCP: ", ep.address (), " is banned for ", it->second - ts, " more seconds");
conn = nullptr;
}
else
m_BanList.erase (it);
}
if (conn)
conn->ServerLogin ();
}
@ -996,13 +964,6 @@ namespace transport
}
}
void NTCPServer::Ban (const boost::asio::ip::address& addr)
{
uint32_t ts = i2p::util::GetSecondsSinceEpoch ();
m_BanList[addr] = ts + NTCP_BAN_EXPIRATION_TIMEOUT;
LogPrint (eLogWarning, "NTCP: ", addr, " has been banned for ", NTCP_BAN_EXPIRATION_TIMEOUT, " seconds");
}
void NTCPServer::ScheduleTermination ()
{
m_TerminationTimer.expires_from_now (boost::posix_time::seconds(NTCP_TERMINATION_CHECK_TIMEOUT));

6
NTCPSession.h
View File

@ -122,8 +122,6 @@ namespace transport
bool m_IsSending;
std::vector<std::shared_ptr<I2NPMessage> > m_SendQueue;
boost::asio::ip::address m_ConnectedFrom; // for ban
};
// TODO: move to NTCP.h/.cpp
@ -145,8 +143,7 @@ namespace transport
bool IsBoundV4() const { return m_NTCPAcceptor != nullptr; };
bool IsBoundV6() const { return m_NTCPV6Acceptor != nullptr; };
boost::asio::io_service& GetService () { return m_Service; };
void Ban (const boost::asio::ip::address& addr);
boost::asio::io_service& GetService () { return m_Service; };
private:
@ -169,7 +166,6 @@ namespace transport
boost::asio::deadline_timer m_TerminationTimer;
boost::asio::ip::tcp::acceptor * m_NTCPAcceptor, * m_NTCPV6Acceptor;
std::map<i2p::data::IdentHash, std::shared_ptr<NTCPSession> > m_NTCPSessions; // access from m_Thread only
std::map<boost::asio::ip::address, uint32_t> m_BanList; // IP -> ban expiration time in seconds
public: