remove trailing whitespaces

This commit is contained in:
yangfl 2018-01-06 11:48:51 +08:00
parent b91efaa973
commit 46f62e1af9
117 changed files with 3039 additions and 3040 deletions

View file

@ -13,32 +13,32 @@ namespace transport
SSUServer::SSUServer (const boost::asio::ip::address & addr, int port):
m_OnlyV6(true), m_IsRunning(false),
m_Thread (nullptr), m_ThreadV6 (nullptr), m_ReceiversThread (nullptr),
m_ReceiversThreadV6 (nullptr), m_Work (m_Service), m_WorkV6 (m_ServiceV6),
m_Thread (nullptr), m_ThreadV6 (nullptr), m_ReceiversThread (nullptr),
m_ReceiversThreadV6 (nullptr), m_Work (m_Service), m_WorkV6 (m_ServiceV6),
m_ReceiversWork (m_ReceiversService), m_ReceiversWorkV6 (m_ReceiversServiceV6),
m_EndpointV6 (addr, port), m_Socket (m_ReceiversService, m_Endpoint),
m_SocketV6 (m_ReceiversServiceV6), m_IntroducersUpdateTimer (m_Service),
m_PeerTestsCleanupTimer (m_Service), m_TerminationTimer (m_Service),
m_TerminationTimerV6 (m_ServiceV6)
m_EndpointV6 (addr, port), m_Socket (m_ReceiversService, m_Endpoint),
m_SocketV6 (m_ReceiversServiceV6), m_IntroducersUpdateTimer (m_Service),
m_PeerTestsCleanupTimer (m_Service), m_TerminationTimer (m_Service),
m_TerminationTimerV6 (m_ServiceV6)
{
OpenSocketV6 ();
}
SSUServer::SSUServer (int port):
m_OnlyV6(false), m_IsRunning(false),
m_Thread (nullptr), m_ThreadV6 (nullptr), m_ReceiversThread (nullptr),
m_ReceiversThreadV6 (nullptr), m_Work (m_Service), m_WorkV6 (m_ServiceV6),
m_ReceiversThreadV6 (nullptr), m_Work (m_Service), m_WorkV6 (m_ServiceV6),
m_ReceiversWork (m_ReceiversService), m_ReceiversWorkV6 (m_ReceiversServiceV6),
m_Endpoint (boost::asio::ip::udp::v4 (), port), m_EndpointV6 (boost::asio::ip::udp::v6 (), port),
m_Socket (m_ReceiversService), m_SocketV6 (m_ReceiversServiceV6),
m_Endpoint (boost::asio::ip::udp::v4 (), port), m_EndpointV6 (boost::asio::ip::udp::v6 (), port),
m_Socket (m_ReceiversService), m_SocketV6 (m_ReceiversServiceV6),
m_IntroducersUpdateTimer (m_Service), m_PeerTestsCleanupTimer (m_Service),
m_TerminationTimer (m_Service), m_TerminationTimerV6 (m_ServiceV6)
m_TerminationTimer (m_Service), m_TerminationTimerV6 (m_ServiceV6)
{
OpenSocket ();
if (context.SupportsV6 ())
OpenSocketV6 ();
}
SSUServer::~SSUServer ()
{
}
@ -46,11 +46,11 @@ namespace transport
void SSUServer::OpenSocket ()
{
m_Socket.open (boost::asio::ip::udp::v4());
m_Socket.set_option (boost::asio::socket_base::receive_buffer_size (SSU_SOCKET_RECEIVE_BUFFER_SIZE));
m_Socket.set_option (boost::asio::socket_base::receive_buffer_size (SSU_SOCKET_RECEIVE_BUFFER_SIZE));
m_Socket.set_option (boost::asio::socket_base::send_buffer_size (SSU_SOCKET_SEND_BUFFER_SIZE));
m_Socket.bind (m_Endpoint);
}
void SSUServer::OpenSocketV6 ()
{
m_SocketV6.open (boost::asio::ip::udp::v6());
@ -58,8 +58,8 @@ namespace transport
m_SocketV6.set_option (boost::asio::socket_base::receive_buffer_size (SSU_SOCKET_RECEIVE_BUFFER_SIZE));
m_SocketV6.set_option (boost::asio::socket_base::send_buffer_size (SSU_SOCKET_SEND_BUFFER_SIZE));
m_SocketV6.bind (m_EndpointV6);
}
}
void SSUServer::Start ()
{
m_IsRunning = true;
@ -68,16 +68,16 @@ namespace transport
m_ReceiversThread = new std::thread (std::bind (&SSUServer::RunReceivers, this));
m_Thread = new std::thread (std::bind (&SSUServer::Run, this));
m_ReceiversService.post (std::bind (&SSUServer::Receive, this));
ScheduleTermination ();
ScheduleTermination ();
}
if (context.SupportsV6 ())
{
{
m_ReceiversThreadV6 = new std::thread (std::bind (&SSUServer::RunReceiversV6, this));
m_ThreadV6 = new std::thread (std::bind (&SSUServer::RunV6, this));
m_ReceiversServiceV6.post (std::bind (&SSUServer::ReceiveV6, this));
ScheduleTerminationV6 ();
m_ReceiversServiceV6.post (std::bind (&SSUServer::ReceiveV6, this));
ScheduleTerminationV6 ();
}
SchedulePeerTestsCleanupTimer ();
SchedulePeerTestsCleanupTimer ();
ScheduleIntroducersUpdateTimer (); // wait for 30 seconds and decide if we need introducers
}
@ -94,135 +94,135 @@ namespace transport
m_ReceiversService.stop ();
m_ReceiversServiceV6.stop ();
if (m_ReceiversThread)
{
m_ReceiversThread->join ();
{
m_ReceiversThread->join ();
delete m_ReceiversThread;
m_ReceiversThread = nullptr;
}
if (m_Thread)
{
m_Thread->join ();
{
m_Thread->join ();
delete m_Thread;
m_Thread = nullptr;
}
if (m_ReceiversThreadV6)
{
m_ReceiversThreadV6->join ();
{
m_ReceiversThreadV6->join ();
delete m_ReceiversThreadV6;
m_ReceiversThreadV6 = nullptr;
}
if (m_ThreadV6)
{
m_ThreadV6->join ();
{
m_ThreadV6->join ();
delete m_ThreadV6;
m_ThreadV6 = nullptr;
}
}
void SSUServer::Run ()
{
void SSUServer::Run ()
{
while (m_IsRunning)
{
try
{
{
m_Service.run ();
}
catch (std::exception& ex)
{
LogPrint (eLogError, "SSU: server runtime exception: ", ex.what ());
}
}
}
}
}
void SSUServer::RunV6 ()
{
void SSUServer::RunV6 ()
{
while (m_IsRunning)
{
try
{
{
m_ServiceV6.run ();
}
catch (std::exception& ex)
{
LogPrint (eLogError, "SSU: v6 server runtime exception: ", ex.what ());
}
}
}
}
}
}
void SSUServer::RunReceivers ()
{
void SSUServer::RunReceivers ()
{
while (m_IsRunning)
{
try
{
{
m_ReceiversService.run ();
}
catch (std::exception& ex)
{
LogPrint (eLogError, "SSU: receivers runtime exception: ", ex.what ());
}
}
}
void SSUServer::RunReceiversV6 ()
{
}
}
}
void SSUServer::RunReceiversV6 ()
{
while (m_IsRunning)
{
try
{
{
m_ReceiversServiceV6.run ();
}
catch (std::exception& ex)
{
LogPrint (eLogError, "SSU: v6 receivers runtime exception: ", ex.what ());
}
}
}
}
}
}
void SSUServer::AddRelay (uint32_t tag, std::shared_ptr<SSUSession> relay)
{
m_Relays[tag] = relay;
}
}
void SSUServer::RemoveRelay (uint32_t tag)
{
m_Relays.erase (tag);
}
}
std::shared_ptr<SSUSession> SSUServer::FindRelaySession (uint32_t tag)
{
auto it = m_Relays.find (tag);
if (it != m_Relays.end ())
{
{
if (it->second->GetState () == eSessionStateEstablished)
return it->second;
else
m_Relays.erase (it);
}
m_Relays.erase (it);
}
return nullptr;
}
void SSUServer::Send (const uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& to)
{
if (to.protocol () == boost::asio::ip::udp::v4())
if (to.protocol () == boost::asio::ip::udp::v4())
m_Socket.send_to (boost::asio::buffer (buf, len), to);
else
m_SocketV6.send_to (boost::asio::buffer (buf, len), to);
}
}
void SSUServer::Receive ()
{
SSUPacket * packet = new SSUPacket ();
m_Socket.async_receive_from (boost::asio::buffer (packet->buf, SSU_MTU_V4), packet->from,
std::bind (&SSUServer::HandleReceivedFrom, this, std::placeholders::_1, std::placeholders::_2, packet));
std::bind (&SSUServer::HandleReceivedFrom, this, std::placeholders::_1, std::placeholders::_2, packet));
}
void SSUServer::ReceiveV6 ()
{
SSUPacket * packet = new SSUPacket ();
m_SocketV6.async_receive_from (boost::asio::buffer (packet->buf, SSU_MTU_V6), packet->from,
std::bind (&SSUServer::HandleReceivedFromV6, this, std::placeholders::_1, std::placeholders::_2, packet));
}
std::bind (&SSUServer::HandleReceivedFromV6, this, std::placeholders::_1, std::placeholders::_2, packet));
}
void SSUServer::HandleReceivedFrom (const boost::system::error_code& ecode, std::size_t bytes_transferred, SSUPacket * packet)
{
@ -235,13 +235,13 @@ namespace transport
boost::system::error_code ec;
size_t moreBytes = m_Socket.available(ec);
if (!ec)
{
{
while (moreBytes && packets.size () < 25)
{
packet = new SSUPacket ();
packet->len = m_Socket.receive_from (boost::asio::buffer (packet->buf, SSU_MTU_V4), packet->from, 0, ec);
if (!ec)
{
{
packets.push_back (packet);
moreBytes = m_Socket.available(ec);
if (ec) break;
@ -251,15 +251,15 @@ namespace transport
LogPrint (eLogError, "SSU: receive_from error: ", ec.message ());
delete packet;
break;
}
}
}
}
}
m_Service.post (std::bind (&SSUServer::HandleReceivedPackets, this, packets, &m_Sessions));
Receive ();
}
else
{
{
delete packet;
if (ecode != boost::asio::error::operation_aborted)
{
@ -268,7 +268,7 @@ namespace transport
OpenSocket ();
Receive ();
}
}
}
}
void SSUServer::HandleReceivedFromV6 (const boost::system::error_code& ecode, std::size_t bytes_transferred, SSUPacket * packet)
@ -298,15 +298,15 @@ namespace transport
LogPrint (eLogError, "SSU: v6 receive_from error: ", ec.message ());
delete packet;
break;
}
}
}
}
m_ServiceV6.post (std::bind (&SSUServer::HandleReceivedPackets, this, packets, &m_SessionsV6));
ReceiveV6 ();
}
else
{
{
delete packet;
if (ecode != boost::asio::error::operation_aborted)
{
@ -315,17 +315,17 @@ namespace transport
OpenSocketV6 ();
ReceiveV6 ();
}
}
}
}
void SSUServer::HandleReceivedPackets (std::vector<SSUPacket *> packets,
void SSUServer::HandleReceivedPackets (std::vector<SSUPacket *> packets,
std::map<boost::asio::ip::udp::endpoint, std::shared_ptr<SSUSession> > * sessions)
{
std::shared_ptr<SSUSession> session;
std::shared_ptr<SSUSession> session;
for (auto& packet: packets)
{
try
{
{
if (!session || session->GetRemoteEndpoint () != packet->from) // we received packet for other session than previous
{
if (session) session->FlushData ();
@ -341,13 +341,13 @@ namespace transport
}
}
session->ProcessNextMessage (packet->buf, packet->len, packet->from);
}
}
catch (std::exception& ex)
{
LogPrint (eLogError, "SSU: HandleReceivedPackets ", ex.what ());
if (session) session->FlushData ();
session = nullptr;
}
}
delete packet;
}
if (session) session->FlushData ();
@ -362,21 +362,21 @@ namespace transport
if (session || !context.SupportsV6 ())
return session;
// try v6
address = router->GetSSUV6Address ();
address = router->GetSSUV6Address ();
if (!address) return nullptr;
return FindSession (boost::asio::ip::udp::endpoint (address->host, address->port));
}
}
std::shared_ptr<SSUSession> SSUServer::FindSession (const boost::asio::ip::udp::endpoint& e) const
{
auto& sessions = e.address ().is_v6 () ? m_SessionsV6 : m_Sessions;
auto& sessions = e.address ().is_v6 () ? m_SessionsV6 : m_Sessions;
auto it = sessions.find (e);
if (it != sessions.end ())
return it->second;
else
return nullptr;
}
void SSUServer::CreateSession (std::shared_ptr<const i2p::data::RouterInfo> router, bool peerTest, bool v4only)
{
auto address = router->GetSSUAddress (v4only || !context.SupportsV6 ());
@ -385,7 +385,7 @@ namespace transport
else
LogPrint (eLogWarning, "SSU: Router ", i2p::data::GetIdentHashAbbreviation (router->GetIdentHash ()), " doesn't have SSU address");
}
void SSUServer::CreateSession (std::shared_ptr<const i2p::data::RouterInfo> router,
const boost::asio::ip::address& addr, int port, bool peerTest)
{
@ -403,27 +403,27 @@ namespace transport
}
void SSUServer::CreateDirectSession (std::shared_ptr<const i2p::data::RouterInfo> router, boost::asio::ip::udp::endpoint remoteEndpoint, bool peerTest)
{
auto& sessions = remoteEndpoint.address ().is_v6 () ? m_SessionsV6 : m_Sessions;
{
auto& sessions = remoteEndpoint.address ().is_v6 () ? m_SessionsV6 : m_Sessions;
auto it = sessions.find (remoteEndpoint);
if (it != sessions.end ())
{
{
auto session = it->second;
if (peerTest && session->GetState () == eSessionStateEstablished)
session->SendPeerTest ();
}
}
else
{
// otherwise create new session
// otherwise create new session
auto session = std::make_shared<SSUSession> (*this, remoteEndpoint, router, peerTest);
sessions[remoteEndpoint] = session;
// connect
// connect
LogPrint (eLogDebug, "SSU: Creating new session to [", i2p::data::GetIdentHashAbbreviation (router->GetIdentHash ()), "] ",
remoteEndpoint.address ().to_string (), ":", remoteEndpoint.port ());
session->Connect ();
}
}
void SSUServer::CreateSessionThroughIntroducer (std::shared_ptr<const i2p::data::RouterInfo> router, bool peerTest)
{
if (router && router->UsesIntroducer ())
@ -435,13 +435,13 @@ namespace transport
auto it = m_Sessions.find (remoteEndpoint);
// check if session is presented already
if (it != m_Sessions.end ())
{
{
auto session = it->second;
if (peerTest && session->GetState () == eSessionStateEstablished)
session->SendPeerTest ();
return;
}
// create new session
return;
}
// create new session
int numIntroducers = address->ssu->introducers.size ();
if (numIntroducers > 0)
{
@ -455,52 +455,52 @@ namespace transport
if (intr->iExp > 0 && ts > intr->iExp) continue; // skip expired introducer
boost::asio::ip::udp::endpoint ep (intr->iHost, intr->iPort);
if (ep.address ().is_v4 ()) // ipv4 only
{
{
if (!introducer) introducer = intr; // we pick first one for now
it = m_Sessions.find (ep);
it = m_Sessions.find (ep);
if (it != m_Sessions.end ())
{
introducerSession = it->second;
break;
}
break;
}
}
}
if (!introducer)
{
LogPrint (eLogWarning, "SSU: Can't connect to unreachable router and no ipv4 non-expired introducers presented");
return;
}
}
if (introducerSession) // session found
if (introducerSession) // session found
LogPrint (eLogWarning, "SSU: Session to introducer already exists");
else // create new
{
LogPrint (eLogDebug, "SSU: Creating new session to introducer ", introducer->iHost);
boost::asio::ip::udp::endpoint introducerEndpoint (introducer->iHost, introducer->iPort);
introducerSession = std::make_shared<SSUSession> (*this, introducerEndpoint, router);
m_Sessions[introducerEndpoint] = introducerSession;
m_Sessions[introducerEndpoint] = introducerSession;
}
#if BOOST_VERSION >= 104900
#if BOOST_VERSION >= 104900
if (!address->host.is_unspecified () && address->port)
#endif
{
// create session
// create session
auto session = std::make_shared<SSUSession> (*this, remoteEndpoint, router, peerTest);
m_Sessions[remoteEndpoint] = session;
// introduce
LogPrint (eLogInfo, "SSU: Introduce new session to [", i2p::data::GetIdentHashAbbreviation (router->GetIdentHash ()),
"] through introducer ", introducer->iHost, ":", introducer->iPort);
session->WaitForIntroduction ();
session->WaitForIntroduction ();
if (i2p::context.GetRouterInfo ().UsesIntroducer ()) // if we are unreachable
{
uint8_t buf[1];
Send (buf, 0, remoteEndpoint); // send HolePunch
}
}
}
introducerSession->Introduce (*introducer, router);
}
else
else
LogPrint (eLogWarning, "SSU: Can't connect to unreachable router and no introducers present");
}
else
@ -518,8 +518,8 @@ namespace transport
m_SessionsV6.erase (ep);
else
m_Sessions.erase (ep);
}
}
}
}
void SSUServer::DeleteAllSessions ()
{
@ -543,15 +543,15 @@ namespace transport
auto ind = rand () % filteredSessions.size ();
return filteredSessions[ind];
}
return nullptr;
return nullptr;
}
std::shared_ptr<SSUSession> SSUServer::GetRandomEstablishedV4Session (std::shared_ptr<const SSUSession> excluded) // v4 only
{
return GetRandomV4Session (
[excluded](std::shared_ptr<SSUSession> session)->bool
{
return session->GetState () == eSessionStateEstablished && session != excluded;
[excluded](std::shared_ptr<SSUSession> session)->bool
{
return session->GetState () == eSessionStateEstablished && session != excluded;
}
);
}
@ -567,15 +567,15 @@ namespace transport
auto ind = rand () % filteredSessions.size ();
return filteredSessions[ind];
}
return nullptr;
return nullptr;
}
std::shared_ptr<SSUSession> SSUServer::GetRandomEstablishedV6Session (std::shared_ptr<const SSUSession> excluded) // v6 only
{
return GetRandomV6Session (
[excluded](std::shared_ptr<SSUSession> session)->bool
{
return session->GetState () == eSessionStateEstablished && session != excluded;
[excluded](std::shared_ptr<SSUSession> session)->bool
{
return session->GetState () == eSessionStateEstablished && session != excluded;
}
);
}
@ -587,18 +587,18 @@ namespace transport
for (int i = 0; i < maxNumIntroducers; i++)
{
auto session = GetRandomV4Session (
[&ret, ts](std::shared_ptr<SSUSession> session)->bool
{
[&ret, ts](std::shared_ptr<SSUSession> session)->bool
{
return session->GetRelayTag () && !ret.count (session.get ()) &&
session->GetState () == eSessionStateEstablished &&
ts < session->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_DURATION;
ts < session->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_DURATION;
}
);
);
if (session)
{
ret.insert (session.get ());
break;
}
}
}
return ret;
}
@ -607,7 +607,7 @@ namespace transport
{
m_IntroducersUpdateTimer.expires_from_now (boost::posix_time::seconds(SSU_KEEP_ALIVE_INTERVAL));
m_IntroducersUpdateTimer.async_wait (std::bind (&SSUServer::HandleIntroducersUpdateTimer,
this, std::placeholders::_1));
this, std::placeholders::_1));
}
void SSUServer::HandleIntroducersUpdateTimer (const boost::system::error_code& ecode)
@ -620,7 +620,7 @@ namespace transport
// we still don't know if we need introducers
ScheduleIntroducersUpdateTimer ();
return;
}
}
if (i2p::context.GetStatus () == eRouterStatusOK) return; // we don't need introducers anymore
// we are firewalled
if (!i2p::context.IsUnreachable ()) i2p::context.SetUnreachable ();
@ -628,7 +628,7 @@ namespace transport
size_t numIntroducers = 0;
uint32_t ts = i2p::util::GetSecondsSinceEpoch ();
for (const auto& it : m_Introducers)
{
{
auto session = FindSession (it);
if (session && ts < session->GetCreationTime () + SSU_TO_INTRODUCER_SESSION_DURATION)
{
@ -636,7 +636,7 @@ namespace transport
newList.push_back (it);
numIntroducers++;
}
else
else
i2p::context.RemoveIntroducer (it);
}
@ -658,16 +658,16 @@ namespace transport
if (newList.size () >= SSU_MAX_NUM_INTRODUCERS) break;
}
}
}
}
m_Introducers = newList;
if (m_Introducers.size () < SSU_MAX_NUM_INTRODUCERS)
{
auto introducer = i2p::data::netdb.GetRandomIntroducer ();
if (introducer)
CreateSession (introducer);
}
}
ScheduleIntroducersUpdateTimer ();
}
}
}
void SSUServer::NewPeerTest (uint32_t nonce, PeerTestParticipant role, std::shared_ptr<SSUSession> session)
@ -682,7 +682,7 @@ namespace transport
return it->second.role;
else
return ePeerTestParticipantUnknown;
}
}
std::shared_ptr<SSUSession> SSUServer::GetPeerTestSession (uint32_t nonce)
{
@ -698,26 +698,26 @@ namespace transport
auto it = m_PeerTests.find (nonce);
if (it != m_PeerTests.end ())
it->second.role = role;
}
}
void SSUServer::RemovePeerTest (uint32_t nonce)
{
m_PeerTests.erase (nonce);
}
}
void SSUServer::SchedulePeerTestsCleanupTimer ()
{
m_PeerTestsCleanupTimer.expires_from_now (boost::posix_time::seconds(SSU_PEER_TEST_TIMEOUT));
m_PeerTestsCleanupTimer.async_wait (std::bind (&SSUServer::HandlePeerTestsCleanupTimer,
this, std::placeholders::_1));
this, std::placeholders::_1));
}
void SSUServer::HandlePeerTestsCleanupTimer (const boost::system::error_code& ecode)
{
if (ecode != boost::asio::error::operation_aborted)
{
int numDeleted = 0;
uint64_t ts = i2p::util::GetMillisecondsSinceEpoch ();
int numDeleted = 0;
uint64_t ts = i2p::util::GetMillisecondsSinceEpoch ();
for (auto it = m_PeerTests.begin (); it != m_PeerTests.end ();)
{
if (ts > it->second.creationTime + SSU_PEER_TEST_TIMEOUT*1000LL)
@ -744,21 +744,21 @@ namespace transport
void SSUServer::HandleTerminationTimer (const boost::system::error_code& ecode)
{
if (ecode != boost::asio::error::operation_aborted)
{
{
auto ts = i2p::util::GetSecondsSinceEpoch ();
for (auto& it: m_Sessions)
if (it.second->IsTerminationTimeoutExpired (ts))
{
auto session = it.second;
m_Service.post ([session]
{
m_Service.post ([session]
{
LogPrint (eLogWarning, "SSU: no activity with ", session->GetRemoteEndpoint (), " for ", session->GetTerminationTimeout (), " seconds");
session->Failed ();
});
});
}
ScheduleTermination ();
}
}
ScheduleTermination ();
}
}
void SSUServer::ScheduleTerminationV6 ()
{
@ -770,21 +770,21 @@ namespace transport
void SSUServer::HandleTerminationTimerV6 (const boost::system::error_code& ecode)
{
if (ecode != boost::asio::error::operation_aborted)
{
{
auto ts = i2p::util::GetSecondsSinceEpoch ();
for (auto& it: m_SessionsV6)
if (it.second->IsTerminationTimeoutExpired (ts))
{
auto session = it.second;
m_ServiceV6.post ([session]
{
m_ServiceV6.post ([session]
{
LogPrint (eLogWarning, "SSU: no activity with ", session->GetRemoteEndpoint (), " for ", session->GetTerminationTimeout (), " seconds");
session->Failed ();
});
});
}
ScheduleTerminationV6 ();
}
}
ScheduleTerminationV6 ();
}
}
}
}