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Camel IEC 60870-5-104 support
/*
* 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.camel.component.iec60870.client;
import java.time.Instant;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.component.iec60870.ObjectAddress;
import org.apache.camel.support.DefaultConsumer;
import org.apache.camel.support.DefaultMessage;
import org.eclipse.neoscada.protocol.iec60870.asdu.types.Value;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ClientConsumer extends DefaultConsumer {
private static final Logger LOG = LoggerFactory.getLogger(ClientConsumer.class);
private final ClientConnection connection;
private final ClientEndpoint endpoint;
public ClientConsumer(final ClientEndpoint endpoint, final Processor processor, final ClientConnection connection) {
super(endpoint, processor);
this.endpoint = endpoint;
this.connection = connection;
}
@Override
protected void doStart() throws Exception {
super.doStart();
this.connection.setListener(this.endpoint.getAddress(), this::updateValue);
}
@Override
protected void doStop() throws Exception {
this.connection.setListener(this.endpoint.getAddress(), null);
super.doStop();
}
private void updateValue(final ObjectAddress address, final Value> value) {
// Note: we hold the sync lock for the connection
try {
final Exchange exchange = getEndpoint().createExchange();
exchange.setIn(mapMessage(value));
getProcessor().process(exchange);
} catch (final Exception e) {
LOG.debug("Failed to process message", e);
}
}
private Message mapMessage(final Value> value) {
final DefaultMessage message = new DefaultMessage(this.endpoint.getCamelContext());
message.setBody(value);
message.setHeader("value", value.getValue());
message.setHeader("timestamp", Instant.ofEpochMilli(value.getTimestamp()));
message.setHeader("quality", value.getQualityInformation());
message.setHeader("overflow", value.isOverflow());
return message;
}
}
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