(ModbusSlave): добавил обработку CommFailed

src/Communications/Modbus/ModbusServer.cc

@@ -633,6 +633,11 @@ mbErrCode ModbusServer::recv( const std::unordered_set<ModbusRTU::ModbusAddr>& v
 	{
 		//        cout << "(recv): catch TimeOut " << endl;
 	}
+	catch( UniSetTypes::CommFailed )
+	{
+		cleanupChannel();
+		return erSessionClosed;
+	}
 	catch( const Exception& ex ) // SystemError
 	{
 		dlog->crit() << "(recv): " << ex << endl;

src/Communications/Modbus/ModbusTCPSession.cc

@@ -208,6 +208,7 @@ ModbusRTU::mbErrCode ModbusTCPSession::realReceive( const std::unordered_set<Mod
 	ModbusRTU::mbErrCode res = erTimeOut;
 	ptTimeout.setTiming(msec);
 
+	try
 	{
 		buf.clear();
 		res = tcp_processing(buf.aduhead);
@@ -270,6 +271,11 @@ ModbusRTU::mbErrCode ModbusTCPSession::realReceive( const std::unordered_set<Mod
 		// processing message...
 		res = processing(buf);
 	}
+	catch( UniSetTypes::CommFailed& ex )
+	{
+		cancelled = true;
+		return erSessionClosed;
+	}
 
 	return res;
 }