plc4j/utils/interop/src/main/java/org/apache/plc4x/interop/impl/Server.java

/*
 * 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.interop.impl;

import org.apache.commons.lang3.tuple.Pair;
import org.apache.plc4x.interop.InteropServer;
import org.apache.plc4x.java.PlcDriverManager;
import org.apache.plc4x.java.api.exceptions.PlcConnectionException;
import org.apache.plc4x.java.api.messages.PlcSubscriptionEvent;
import org.apache.plc4x.java.api.model.PlcConsumerRegistration;
import org.apache.plc4x.java.api.model.PlcSubscriptionHandle;
import org.apache.plc4x.java.api.types.PlcResponseCode;
import org.apache.plc4x.java.base.messages.items.BaseDefaultFieldItem;
import org.apache.plc4x.java.base.messages.items.DefaultLongFieldItem;
import org.apache.plc4x.java.mock.MockDevice;
import org.apache.plc4x.java.mock.PlcMockConnection;
import org.apache.thrift.server.TServer;
import org.apache.thrift.server.TSimpleServer;
import org.apache.thrift.transport.TServerSocket;
import org.apache.thrift.transport.TServerTransport;

import java.util.Collection;
import java.util.function.Consumer;

public class Server {

    public static void main(String[] args) throws PlcConnectionException {
        final PlcDriverManager driverManager = new PlcDriverManager();

        // Do some mocking
        final PlcMockConnection mockConnection = (PlcMockConnection) driverManager.getConnection("mock:a");

        mockConnection.setDevice(new MyMockDevice());

        final Handler handler = new Handler(driverManager);
        final InteropServer.Processor<Handler> processor = new InteropServer.Processor<>(handler);

        try {
            TServerTransport serverTransport = new TServerSocket(9090);
            TServer server = new TSimpleServer(new TServer.Args(serverTransport).processor(processor));

            System.out.println("Starting the simple server...");
            server.serve();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static class MyMockDevice implements MockDevice {
        @Override public Pair<PlcResponseCode, BaseDefaultFieldItem> read(String fieldQuery) {
            return Pair.of(PlcResponseCode.OK, new DefaultLongFieldItem(100L));
        }

        @Override public PlcResponseCode write(String fieldQuery, Object value) {
            return null;
        }

        @Override public Pair<PlcResponseCode, PlcSubscriptionHandle> subscribe(String fieldQuery) {
            return null;
        }

        @Override public void unsubscribe() {

        }

        @Override public PlcConsumerRegistration register(Consumer<PlcSubscriptionEvent> consumer, Collection<PlcSubscriptionHandle> handles) {
            return null;
        }

        @Override public void unregister(PlcConsumerRegistration registration) {

        }
    }
}