moved NTCP to separate thread

This commit is contained in:
orignal 2015-01-11 17:41:56 -05:00
parent e3e0702813
commit 6683a9cf76
5 changed files with 261 additions and 156 deletions

View file

@ -18,9 +18,9 @@ namespace i2p
{
namespace transport
{
NTCPSession::NTCPSession (boost::asio::io_service& service, std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter):
TransportSession (in_RemoteRouter), m_Socket (service),
m_TerminationTimer (service), m_IsEstablished (false), m_ReceiveBufferOffset (0),
NTCPSession::NTCPSession (NTCPServer& server, std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter):
TransportSession (in_RemoteRouter), m_Server (server), m_Socket (m_Server.GetService ()),
m_TerminationTimer (m_Server.GetService ()), m_IsEstablished (false), m_ReceiveBufferOffset (0),
m_NextMessage (nullptr), m_NumSentBytes (0), m_NumReceivedBytes (0)
{
m_DHKeysPair = transports.GetNextDHKeysPair ();
@ -89,7 +89,7 @@ namespace transport
if (numDelayed > 0)
LogPrint (eLogWarning, "NTCP session ", numDelayed, " not sent");
// TODO: notify tunnels
transports.RemoveNTCPSession (shared_from_this ());
m_Server.RemoveNTCPSession (shared_from_this ());
LogPrint ("NTCP session terminated");
}
@ -427,7 +427,7 @@ namespace transport
{
LogPrint (eLogDebug, "Phase 4 sent: ", bytes_transferred);
LogPrint ("NTCP server session connected");
transports.AddNTCPSession (shared_from_this ());
m_Server.AddNTCPSession (shared_from_this ());
Connected ();
m_ReceiveBufferOffset = 0;
@ -654,5 +654,177 @@ namespace transport
m_Socket.close ();// invoke Terminate () from HandleReceive
}
}
//-----------------------------------------
NTCPServer::NTCPServer (int port):
m_IsRunning (false), m_Thread (nullptr), m_Work (m_Service),
m_NTCPAcceptor (nullptr), m_NTCPV6Acceptor (nullptr)
{
}
NTCPServer::~NTCPServer ()
{
Stop ();
}
void NTCPServer::Start ()
{
if (!m_IsRunning)
{
m_IsRunning = true;
m_Thread = new std::thread (std::bind (&NTCPServer::Run, this));
// create acceptors
auto addresses = context.GetRouterInfo ().GetAddresses ();
for (auto& address : addresses)
{
if (address.transportStyle == i2p::data::RouterInfo::eTransportNTCP && address.host.is_v4 ())
{
m_NTCPAcceptor = new boost::asio::ip::tcp::acceptor (m_Service,
boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), address.port));
LogPrint ("Start listening TCP port ", address.port);
auto conn = std::make_shared<NTCPSession>(*this);
m_NTCPAcceptor->async_accept(conn->GetSocket (), std::bind (&NTCPServer::HandleAccept, this,
conn, std::placeholders::_1));
if (context.SupportsV6 ())
{
m_NTCPV6Acceptor = new boost::asio::ip::tcp::acceptor (m_Service);
m_NTCPV6Acceptor->open (boost::asio::ip::tcp::v6());
m_NTCPV6Acceptor->set_option (boost::asio::ip::v6_only (true));
m_NTCPV6Acceptor->bind (boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v6(), address.port));
m_NTCPV6Acceptor->listen ();
LogPrint ("Start listening V6 TCP port ", address.port);
auto conn = std::make_shared<NTCPSession> (*this);
m_NTCPV6Acceptor->async_accept(conn->GetSocket (), std::bind (&NTCPServer::HandleAcceptV6,
this, conn, std::placeholders::_1));
}
}
}
}
}
void NTCPServer::Stop ()
{
m_NTCPSessions.clear ();
if (m_IsRunning)
{
m_IsRunning = false;
delete m_NTCPAcceptor;
m_NTCPAcceptor = nullptr;
delete m_NTCPV6Acceptor;
m_NTCPV6Acceptor = nullptr;
m_Service.stop ();
if (m_Thread)
{
m_Thread->join ();
delete m_Thread;
m_Thread = nullptr;
}
}
}
void NTCPServer::Run ()
{
while (m_IsRunning)
{
try
{
m_Service.run ();
}
catch (std::exception& ex)
{
LogPrint ("NTCP server: ", ex.what ());
}
}
}
void NTCPServer::AddNTCPSession (std::shared_ptr<NTCPSession> session)
{
if (session)
m_NTCPSessions[session->GetRemoteIdentity ().GetIdentHash ()] = session;
}
void NTCPServer::RemoveNTCPSession (std::shared_ptr<NTCPSession> session)
{
if (session)
m_NTCPSessions.erase (session->GetRemoteIdentity ().GetIdentHash ());
}
std::shared_ptr<NTCPSession> NTCPServer::FindNTCPSession (const i2p::data::IdentHash& ident)
{
auto it = m_NTCPSessions.find (ident);
if (it != m_NTCPSessions.end ())
return it->second;
return nullptr;
}
void NTCPServer::HandleAccept (std::shared_ptr<NTCPSession> conn, const boost::system::error_code& error)
{
if (!error)
{
LogPrint ("Connected from ", conn->GetSocket ().remote_endpoint().address ().to_string ());
conn->ServerLogin ();
}
if (error != boost::asio::error::operation_aborted)
{
conn = std::make_shared<NTCPSession> (*this);
m_NTCPAcceptor->async_accept(conn->GetSocket (), std::bind (&NTCPServer::HandleAccept, this,
conn, std::placeholders::_1));
}
}
void NTCPServer::HandleAcceptV6 (std::shared_ptr<NTCPSession> conn, const boost::system::error_code& error)
{
if (!error)
{
LogPrint ("Connected from ", conn->GetSocket ().remote_endpoint().address ().to_string ());
conn->ServerLogin ();
}
if (error != boost::asio::error::operation_aborted)
{
conn = std::make_shared<NTCPSession> (*this);
m_NTCPV6Acceptor->async_accept(conn->GetSocket (), std::bind (&NTCPServer::HandleAcceptV6, this,
conn, std::placeholders::_1));
}
}
void NTCPServer::Connect (const boost::asio::ip::address& address, int port, std::shared_ptr<NTCPSession> conn)
{
LogPrint ("Connecting to ", address ,":", port);
m_Service.post([conn, this]()
{
this->AddNTCPSession (conn);
});
conn->GetSocket ().async_connect (boost::asio::ip::tcp::endpoint (address, port),
std::bind (&NTCPServer::HandleConnect, this, std::placeholders::_1, conn));
}
void NTCPServer::HandleConnect (const boost::system::error_code& ecode, std::shared_ptr<NTCPSession> conn)
{
if (ecode)
{
LogPrint ("Connect error: ", ecode.message ());
if (ecode != boost::asio::error::operation_aborted)
{
i2p::data::netdb.SetUnreachable (conn->GetRemoteIdentity ().GetIdentHash (), true);
conn->Terminate ();
}
}
else
{
LogPrint ("Connected");
if (conn->GetSocket ().local_endpoint ().protocol () == boost::asio::ip::tcp::v6()) // ipv6
context.UpdateNTCPV6Address (conn->GetSocket ().local_endpoint ().address ());
conn->ClientLogin ();
}
}
}
}