Merge pull request #23 from ethereum-mining/fix-stratum-thread

Stratum: Reuse service thread on reconnect

libstratum/EthStratumClient.cpp

@@ -82,7 +82,16 @@ void EthStratumClient::connect()
 
 	cnote << "Connecting to stratum server " << p_active->host + ":" + p_active->port;
 
-	m_serviceThread = std::thread{boost::bind(&boost::asio::io_service::run, &m_io_service)};
+	if (m_serviceThread.joinable())
+	{
+		// If the service thread have been created try to reset the service.
+		m_io_service.reset();
+	}
+	else
+	{
+		// Otherwise, if the first time here, create new thread.
+		m_serviceThread = std::thread{boost::bind(&boost::asio::io_service::run, &m_io_service)};
+	}
 }
 
 #define BOOST_ASIO_ENABLE_CANCELIO 
@@ -121,7 +130,7 @@ void EthStratumClient::reconnect()
 	}
 	
 	cnote << "Reconnecting in 3 seconds...";
-	boost::asio::deadline_timer     timer(m_io_service, boost::posix_time::seconds(3));
+	boost::asio::deadline_timer timer(m_io_service, boost::posix_time::seconds(3));
 	timer.wait();
 
 	connect();