| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| |
| package org.apache.plc4x.sandbox.java.dynamic.s7; |
| |
| import org.apache.plc4x.java.api.PlcConnection; |
| import org.apache.plc4x.java.api.authentication.PlcAuthentication; |
| import org.apache.plc4x.java.api.exceptions.PlcConnectionException; |
| import org.apache.plc4x.java.spi.PlcDriver; |
| import org.apache.plc4x.sandbox.java.dynamic.s7.connection.DynamicS7Connection; |
| |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public class DynamicS7Driver implements PlcDriver { |
| |
| private static final Pattern S7_URI_PATTERN = Pattern.compile("^s7d://(?<host>.*)/(?<rack>\\d{1,4})/(?<slot>\\d{1,4})(?<params>\\?.*)?"); |
| |
| @Override |
| public String getProtocolCode() { |
| return "s7d"; |
| } |
| |
| @Override |
| public String getProtocolName() { |
| return "Siemens S7 (Basic - Dynamic)"; |
| } |
| |
| @Override |
| public PlcConnection connect(String url) throws PlcConnectionException { |
| Matcher matcher = S7_URI_PATTERN.matcher(url); |
| if (!matcher.matches()) { |
| throw new PlcConnectionException( |
| "Connection url doesn't match the format 's7://{host|ip}/{rack}/{slot}'"); |
| } |
| String host = matcher.group("host"); |
| |
| int rack = Integer.parseInt(matcher.group("rack")); |
| int slot = Integer.parseInt(matcher.group("slot")); |
| String params = matcher.group("params") != null ? matcher.group("params").substring(1) : null; |
| |
| try { |
| InetAddress serverInetAddress = InetAddress.getByName(host); |
| return new DynamicS7Connection(serverInetAddress, rack, slot, params); |
| } catch (UnknownHostException e) { |
| throw new PlcConnectionException("Error parsing address", e); |
| } catch (Exception e) { |
| throw new PlcConnectionException("Error connecting to host", e); |
| } |
| } |
| |
| @Override |
| public PlcConnection connect(String url, PlcAuthentication authentication) throws PlcConnectionException { |
| throw new PlcConnectionException("Basic S7 connections don't support authentication."); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| PlcConnection connection = new DynamicS7Driver().connect("s7://10.10.64.20/1/1"); |
| connection.isConnected(); |
| } |
| |
| } |