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non-blocking UDP sockets

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orignal 2025-07-29 18:37:44 -04:00
parent 977967f793
commit 44b4fccefe
1 changed files with 21 additions and 7 deletions
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20
libi2pd_client/UDPTunnel.cpp
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@ -20,8 +20,12 @@ namespace client
{
if (!m_LastSession || m_LastSession->Identity.GetLL()[0] != from.GetIdentHash ().GetLL()[0] || fromPort != m_LastSession->RemotePort)
m_LastSession = ObtainUDPSession(from, toPort, fromPort);
m_LastSession->IPSocket.send_to(boost::asio::buffer(buf, len), m_RemoteEndpoint);
boost::system::error_code ec;
m_LastSession->IPSocket.send_to(boost::asio::buffer(buf, len), m_RemoteEndpoint, 0, ec);
if (!ec)
m_LastSession->LastActivity = i2p::util::GetMillisecondsSinceEpoch();
else
LogPrint (eLogInfo, "UDP Server: Send exception: ", ec.message (), " to ", m_RemoteEndpoint);
}
void I2PUDPServerTunnel::HandleRecvFromI2PRaw (uint16_t fromPort, uint16_t toPort, const uint8_t * buf, size_t len)
@ -37,8 +41,12 @@ namespace client
}
if (m_LastSession)
{
m_LastSession->IPSocket.send_to(boost::asio::buffer(buf, len), m_RemoteEndpoint);
boost::system::error_code ec;
m_LastSession->IPSocket.send_to(boost::asio::buffer(buf, len), m_RemoteEndpoint, 0, ec);
if (!ec)
m_LastSession->LastActivity = i2p::util::GetMillisecondsSinceEpoch();
else
LogPrint (eLogInfo, "UDP Server: Send exception: ", ec.message (), " to ", m_RemoteEndpoint);
}
}
@ -121,6 +129,7 @@ namespace client
RemotePort(theirPort)
{
IPSocket.set_option (boost::asio::socket_base::receive_buffer_size (I2P_UDP_MAX_MTU ));
IPSocket.non_blocking (true);
Receive();
}
@ -244,6 +253,7 @@ namespace client
m_LocalSocket.reset (new boost::asio::ip::udp::socket (m_LocalDest->GetService (), m_LocalEndpoint));
m_LocalSocket->set_option (boost::asio::socket_base::receive_buffer_size (I2P_UDP_MAX_MTU));
m_LocalSocket->set_option (boost::asio::socket_base::reuse_address (true));
m_LocalSocket->non_blocking (true);
auto dgram = m_LocalDest->CreateDatagramDestination (m_Gzip, m_DatagramVersion);
dgram->SetReceiver (std::bind (&I2PUDPClientTunnel::HandleRecvFromI2P, this,
@ -400,9 +410,13 @@ namespace client
if (len > 0)
{
LogPrint (eLogDebug, "UDP Client: Got ", len, "B from ", m_RemoteAddr ? m_RemoteAddr->identHash.ToBase32 () : "");
m_LocalSocket->send_to (boost::asio::buffer (buf, len), itr->second->first);
boost::system::error_code ec;
m_LocalSocket->send_to (boost::asio::buffer (buf, len), itr->second->first, 0, ec);
if (!ec)
// mark convo as active
itr->second->second = i2p::util::GetMillisecondsSinceEpoch ();
else
LogPrint (eLogInfo, "UDP Client: Send exception: ", ec.message (), " to ", itr->second->first);
}
}
else