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try to restart acceptors after termination of expired NTCP2 if no descriptors

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orignal 2022-12-10 15:44:37 -05:00
parent 857df5c734
commit 648b09d45f
2 changed files with 38 additions and 33 deletions
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53
libi2pd/NTCP2.cpp
View File

@ -1424,17 +1424,15 @@ namespace transport
else
LogPrint (eLogError, "NTCP2: Connected from error ", ec.message ());
}
else if (error == boost::asio::error::no_descriptors)
else
{
LogPrint (eLogError, "NTCP2: Accept error ", error.message ());
if (error == boost::asio::error::no_descriptors)
{
i2p::context.SetError (eRouterErrorNoDescriptors);
if (m_NoFileExhaustTimestamp < i2p::util::GetSecondsSinceEpoch () - NTCP2_DESCRIPTORS_EXHAUST_TIMEOUT)
{
m_NoFileExhaustTimestamp = i2p::util::GetSecondsSinceEpoch ();
LogPrint (eLogWarning, "NTCP2: WARNING! i2pd met file descriptors exhaustion! Please check your nofile limits!");
return;
}
}
else
LogPrint (eLogError, "NTCP2: Accept error ", error.message ());
if (error != boost::asio::error::operation_aborted)
{
@ -1464,26 +1462,21 @@ namespace transport
}
}
else
LogPrint (eLogError, "NTCP2: Connected from ipv6 error: ", ec.message ());
}
else if (error == boost::asio::error::no_descriptors)
{
i2p::context.SetErrorV6 (eRouterErrorNoDescriptors);
if (m_NoFileExhaustTimestamp < i2p::util::GetSecondsSinceEpoch () - NTCP2_DESCRIPTORS_EXHAUST_TIMEOUT)
{
m_NoFileExhaustTimestamp = i2p::util::GetSecondsSinceEpoch ();
LogPrint (eLogWarning, "NTCP2: WARNING! i2pd met file descriptors exhaustion! Please check your nofile limits!");
}
LogPrint (eLogError, "NTCP2: Connected from error ", ec.message ());
}
else
LogPrint (eLogError, "NTCP2: Accept ipv6 error: ", error.message ());
{
LogPrint (eLogError, "NTCP2: Accept ipv6 error ", error.message ());
if (error == boost::asio::error::no_descriptors)
{
i2p::context.SetErrorV6 (eRouterErrorNoDescriptors);
return;
}
}
if (error != boost::asio::error::operation_aborted)
{
if (!conn) // connection is used, create new one
conn = std::make_shared<NTCP2Session> (*this);
else // reuse failed
conn->Close ();
m_NTCP2V6Acceptor->async_accept(conn->GetSocket (), std::bind (&NTCP2Server::HandleAcceptV6, this,
conn, std::placeholders::_1));
}
@ -1524,8 +1517,24 @@ namespace transport
else
it++;
}
ScheduleTermination ();
// try to restart acceptors if no description
// we do it after timer to let timer take descriptor first
if (i2p::context.GetError () == eRouterErrorNoDescriptors)
{
i2p::context.SetError (eRouterErrorNone);
auto conn = std::make_shared<NTCP2Session> (*this);
m_NTCP2Acceptor->async_accept(conn->GetSocket (), std::bind (&NTCP2Server::HandleAccept, this,
conn, std::placeholders::_1));
}
if (i2p::context.GetErrorV6 () == eRouterErrorNoDescriptors)
{
i2p::context.SetErrorV6 (eRouterErrorNone);
auto conn = std::make_shared<NTCP2Session> (*this);
m_NTCP2V6Acceptor->async_accept(conn->GetSocket (), std::bind (&NTCP2Server::HandleAcceptV6, this,
conn, std::placeholders::_1));
}
}
}

4
libi2pd/NTCP2.h
View File

@ -43,8 +43,6 @@ namespace transport
const int NTCP2_CLOCK_SKEW = 60; // in seconds
const int NTCP2_MAX_OUTGOING_QUEUE_SIZE = 500; // how many messages we can queue up
const int NTCP2_DESCRIPTORS_EXHAUST_TIMEOUT = 60; // 1 minute
enum NTCP2BlockType
{
eNTCP2BlkDateTime = 0,
@ -288,8 +286,6 @@ namespace transport
std::unique_ptr<boost::asio::ip::tcp::endpoint> m_ProxyEndpoint;
std::shared_ptr<boost::asio::ip::tcp::endpoint> m_Address4, m_Address6, m_YggdrasilAddress;
uint64_t m_NoFileExhaustTimestamp;
public:
// for HTTP/I2PControl