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Merge pull request #1688 from henrikjohansen/1.3
Add Discard Message Output
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graylog2-server/src/main/java/org/graylog2/outputs/DiscardMessageOutput.java
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/** | ||
* This file is part of Graylog. | ||
* | ||
* Graylog is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation, either version 3 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* Graylog is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with Graylog. If not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
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package org.graylog2.outputs; | ||
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import org.graylog2.plugin.Message; | ||
import org.graylog2.plugin.configuration.Configuration; | ||
import org.graylog2.plugin.configuration.ConfigurationRequest; | ||
import org.graylog2.plugin.outputs.MessageOutput; | ||
import org.graylog2.plugin.streams.Stream; | ||
import org.graylog2.shared.journal.Journal; | ||
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import java.util.List; | ||
import java.util.Locale; | ||
import javax.inject.Inject; | ||
import java.util.concurrent.TimeUnit; | ||
import java.util.concurrent.atomic.AtomicBoolean; | ||
import com.google.inject.assistedinject.Assisted; | ||
import com.google.inject.assistedinject.AssistedInject; | ||
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public class DiscardMessageOutput implements MessageOutput { | ||
private final AtomicBoolean isRunning = new AtomicBoolean(false); | ||
private final Journal journal; | ||
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@AssistedInject | ||
public DiscardMessageOutput(final Journal journal, | ||
@Assisted Stream stream, | ||
@Assisted Configuration configuration) { | ||
this(journal); | ||
} | ||
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@Inject | ||
public DiscardMessageOutput(final Journal journal) { | ||
this.journal = journal; | ||
isRunning.set(true); | ||
} | ||
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@Override | ||
public void stop() { | ||
isRunning.set(false); | ||
} | ||
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@Override | ||
public boolean isRunning() { | ||
return isRunning.get(); | ||
} | ||
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@Override | ||
public void write(Message message) throws Exception { | ||
journal.markJournalOffsetCommitted(message.getJournalOffset()); | ||
} | ||
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@Override | ||
public void write(List<Message> messages) throws Exception { | ||
long maxOffset = Long.MIN_VALUE; | ||
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for (final Message message : messages) { | ||
maxOffset = Math.max(message.getJournalOffset(), maxOffset); | ||
} | ||
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journal.markJournalOffsetCommitted(maxOffset); | ||
} | ||
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public interface Factory extends MessageOutput.Factory<GelfOutput> { | ||
@Override | ||
GelfOutput create(Stream stream, Configuration configuration); | ||
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@Override | ||
Config getConfig(); | ||
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@Override | ||
Descriptor getDescriptor(); | ||
} | ||
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public static class Config extends MessageOutput.Config { | ||
@Override | ||
public ConfigurationRequest getRequestedConfiguration() { | ||
return new ConfigurationRequest(); | ||
} | ||
} | ||
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public static class Descriptor extends MessageOutput.Descriptor { | ||
public Descriptor() { | ||
super("Discard Message output", false, "", "Output that discards messages"); | ||
} | ||
} | ||
} |