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close unclaimed acceptors after 3 seconds

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orignal 2023-11-17 18:50:52 -05:00
parent 94255ebaf4
commit d327533b56
2 changed files with 40 additions and 17 deletions
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28
libi2pd_client/SAM.cpp
View File

@ -601,11 +601,21 @@ namespace client
SendMessageReply (SAM_STREAM_STATUS_OK, strlen(SAM_STREAM_STATUS_OK), false);
session->GetLocalDestination ()->AcceptOnce (std::bind (&SAMSocket::HandleI2PAccept, shared_from_this (), std::placeholders::_1));
}
else if (session->acceptQueue.size () < SAM_SESSION_MAX_ACCEPT_QUEUE_SIZE)
else
{
auto ts = i2p::util::GetSecondsSinceEpoch ();
while (!session->acceptQueue.empty () && session->acceptQueue.front ().second + SAM_SESSION_MAX_ACCEPT_INTERVAL > ts)
{
auto socket = session->acceptQueue.front ().first;
session->acceptQueue.pop_front ();
if (socket)
m_Owner.GetService ().post (std::bind(&SAMSocket::TerminateClose, socket));
}
if (session->acceptQueue.size () < SAM_SESSION_MAX_ACCEPT_QUEUE_SIZE)
{
// already accepting, queue up
SendMessageReply (SAM_STREAM_STATUS_OK, strlen(SAM_STREAM_STATUS_OK), false);
session->acceptQueue.push_back (shared_from_this());
session->acceptQueue.push_back (std::make_pair(shared_from_this(), ts));
}
else
{
@ -613,6 +623,7 @@ namespace client
SendStreamI2PError ("Already accepting");
}
}
}
else
SendMessageReply (SAM_STREAM_STATUS_INVALID_ID, strlen(SAM_STREAM_STATUS_INVALID_ID), true);
}
@ -1065,7 +1076,17 @@ namespace client
if (session && !session->acceptQueue.empty ())
{
// pending acceptors
auto socket = session->acceptQueue.front ();
auto ts = i2p::util::GetSecondsSinceEpoch ();
while (!session->acceptQueue.empty () && session->acceptQueue.front ().second + SAM_SESSION_MAX_ACCEPT_INTERVAL > ts)
{
auto socket = session->acceptQueue.front ().first;
session->acceptQueue.pop_front ();
if (socket)
m_Owner.GetService ().post (std::bind(&SAMSocket::TerminateClose, socket));
}
if (!session->acceptQueue.empty ())
{
auto socket = session->acceptQueue.front ().first;
session->acceptQueue.pop_front ();
if (socket && socket->GetSocketType () == eSAMSocketTypeAcceptor)
{
@ -1073,6 +1094,7 @@ namespace client
session->GetLocalDestination ()->AcceptOnce (std::bind (&SAMSocket::HandleI2PAccept, socket, std::placeholders::_1));
}
}
}
if (!m_IsSilent)
{
// get remote peer address

5
libi2pd_client/SAM.h
View File

@ -31,7 +31,8 @@ namespace client
const size_t SAM_SOCKET_BUFFER_SIZE = 8192;
const int SAM_SOCKET_CONNECTION_MAX_IDLE = 3600; // in seconds
const int SAM_SESSION_READINESS_CHECK_INTERVAL = 3; // in seconds
const size_t SAM_SESSION_MAX_ACCEPT_QUEUE_SIZE = 64;
const size_t SAM_SESSION_MAX_ACCEPT_QUEUE_SIZE = 50;
const size_t SAM_SESSION_MAX_ACCEPT_INTERVAL = 3; // in seconds
const char SAM_HANDSHAKE[] = "HELLO VERSION";
const char SAM_HANDSHAKE_REPLY[] = "HELLO REPLY RESULT=OK VERSION=%s\n";
@ -191,7 +192,7 @@ namespace client
std::string Name;
SAMSessionType Type;
std::shared_ptr<boost::asio::ip::udp::endpoint> UDPEndpoint; // TODO: move
std::list<std::shared_ptr<SAMSocket> > acceptQueue;
std::list<std::pair<std::shared_ptr<SAMSocket>, uint64_t> > acceptQueue; // socket, receive time in seconds
SAMSession (SAMBridge & parent, const std::string & name, SAMSessionType type);
virtual ~SAMSession () {};