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recconnect to proxy

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orignal 2022-10-28 14:06:45 -04:00
parent f1f66d7b8f
commit 1738d118f7
2 changed files with 33 additions and 3 deletions
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29
libi2pd/SSU2.cpp
View File

@ -1157,6 +1157,7 @@ namespace transport
{
LogPrint (eLogError, "SSU2: Can't connect to proxy ", *m_ProxyEndpoint, " ", ecode.message ());
m_UDPAssociateSocket.reset (nullptr);
ReconnectToProxy ();
}
else
HandshakeWithProxy ();
@ -1177,6 +1178,7 @@ namespace transport
{
LogPrint(eLogError, "SSU2: Proxy write error ", ecode.message());
m_UDPAssociateSocket.reset (nullptr);
ReconnectToProxy ();
}
else
ReadHandshakeWithProxyReply ();
@ -1194,6 +1196,7 @@ namespace transport
{
LogPrint(eLogError, "SSU2: Proxy read error ", ecode.message());
m_UDPAssociateSocket.reset (nullptr);
ReconnectToProxy ();
}
else
{
@ -1224,6 +1227,7 @@ namespace transport
{
LogPrint(eLogError, "SSU2: Proxy write error ", ecode.message());
m_UDPAssociateSocket.reset (nullptr);
ReconnectToProxy ();
}
else
ReadUDPAssociateReply ();
@ -1241,6 +1245,7 @@ namespace transport
{
LogPrint(eLogError, "SSU2: Proxy read error ", ecode.message());
m_UDPAssociateSocket.reset (nullptr);
ReconnectToProxy ();
}
else
{
@ -1280,14 +1285,36 @@ namespace transport
(void) bytes_transferred;
if (ecode)
{
LogPrint(eLogError, "SSU2: Proxy UDP Associate socket error ", ecode.message());
LogPrint(eLogWarning, "SSU2: Proxy UDP Associate socket error ", ecode.message());
m_UDPAssociateSocket.reset (nullptr);
m_ProxyRelayEndpoint.reset (nullptr);
ConnectToProxy (); // try to reconnect immediately
}
else
ReadUDPAssociateSocket ();
});
}
void SSU2Server::ReconnectToProxy ()
{
LogPrint(eLogInfo, "SSU2: Reconnect to proxy after ", SSU2_PROXY_CONNECT_RETRY_TIMEOUT, " seconds");
if (m_ProxyConnectRetryTimer)
m_ProxyConnectRetryTimer->cancel ();
else
m_ProxyConnectRetryTimer.reset (new boost::asio::deadline_timer (m_ReceiveService.GetService ()));
m_ProxyConnectRetryTimer->expires_from_now (boost::posix_time::seconds (SSU2_PROXY_CONNECT_RETRY_TIMEOUT));
m_ProxyConnectRetryTimer->async_wait (
[this](const boost::system::error_code& ecode)
{
if (ecode != boost::asio::error::operation_aborted)
{
m_UDPAssociateSocket.reset (nullptr);
m_ProxyRelayEndpoint.reset (nullptr);
ConnectToProxy ();
}
});
}
bool SSU2Server::SetProxy (const std::string& address, uint16_t port)
{
boost::system::error_code ecode;

7
libi2pd/SSU2.h
View File

@ -27,8 +27,9 @@ namespace transport
const size_t SSU2_MAX_NUM_INTRODUCERS = 3;
const int SSU2_TO_INTRODUCER_SESSION_DURATION = 3600; // 1 hour
const int SSU2_TO_INTRODUCER_SESSION_EXPIRATION = 4800; // 80 minutes
const int SSU2_KEEP_ALIVE_INTERVAL = 30; // 30 seconds
const int SSU2_KEEP_ALIVE_INTERVAL = 30; // in seconds
const int SSU2_PROXY_CONNECT_RETRY_TIMEOUT = 30; // in seconds
class SSU2Server: private i2p::util::RunnableServiceWithWork
{
struct Packet
@ -124,6 +125,7 @@ namespace transport
const uint8_t * payload, size_t payloadLen, const boost::asio::ip::udp::endpoint& to);
void ProcessNextPacketFromProxy (uint8_t * buf, size_t len);
void ConnectToProxy ();
void ReconnectToProxy ();
void HandshakeWithProxy ();
void ReadHandshakeWithProxyReply ();
void SendUDPAssociateRequest ();
@ -155,6 +157,7 @@ namespace transport
std::unique_ptr<boost::asio::ip::tcp::endpoint> m_ProxyEndpoint;
std::unique_ptr<boost::asio::ip::tcp::socket> m_UDPAssociateSocket;
std::unique_ptr<boost::asio::ip::udp::endpoint> m_ProxyRelayEndpoint;
std::unique_ptr<boost::asio::deadline_timer> m_ProxyConnectRetryTimer;
public: