/**
* This file is part of Graylog2.
*
* Graylog2 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.
*
* Graylog2 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 Graylog2. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*
* This file is part of Graylog2.
*
* Graylog2 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.
*
* Graylog2 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 Graylog2. If not, see <http://www.gnu.org/licenses/>.
*/
package org.graylog2.inputs.codecs;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Charsets;
import com.google.inject.assistedinject.Assisted;
import com.google.inject.assistedinject.AssistedInject;
import org.graylog2.plugin.ConfigClass;
import org.graylog2.plugin.FactoryClass;
import org.graylog2.plugin.Message;
import org.graylog2.plugin.configuration.Configuration;
import org.graylog2.plugin.configuration.ConfigurationRequest;
import org.graylog2.plugin.inputs.MessageInput;
import org.graylog2.plugin.inputs.codecs.Codec;
import org.graylog2.plugin.inputs.codecs.CodecAggregator;
import org.graylog2.plugin.inputs.transports.NettyTransport;
import org.graylog2.plugin.journal.RawMessage;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.io.IOException;
import java.util.Map;
public class RawCodec implements Codec {
private final ObjectMapper objectMapper;
private final Configuration configuration;
@AssistedInject
public RawCodec(ObjectMapper objectMapper, @Assisted Configuration configuration) {
this.objectMapper = objectMapper;
this.configuration = configuration;
}
@Nullable
@Override
public Message decode(@Nonnull RawMessage raw) {
// TODO fix remote address, use raw message
String source;
if (raw.getMetaData() != null) {
try {
final Map<String, Object> map = objectMapper.readValue(raw.getMetaData(),
new TypeReference<Map<String, Object>>() {
});
source = map.containsKey("remote_address") ? (String) map.get("remote_address") : "unknown";
} catch (IOException e) {
source = "unknown";
}
} else {
if (configuration.stringIsSet(MessageInput.CK_OVERRIDE_SOURCE)) {
source = configuration.getString(MessageInput.CK_OVERRIDE_SOURCE);
} else {
source = "unknown";
}
}
return new Message(new String(raw.getPayload(), Charsets.UTF_8), source, raw.getTimestamp());
}
@Nullable
@Override
public CodecAggregator getAggregator() {
return null;
}
@Override
public String getName() {
return "raw";
}
@FactoryClass
public interface Factory extends Codec.Factory<RawCodec> {
@Override
RawCodec create(Configuration configuration);
@Override
Config getConfig();
}
@ConfigClass
public static class Config implements Codec.Config {
@Override
public ConfigurationRequest getRequestedConfiguration() {
return new ConfigurationRequest();
}
@Override
public void overrideDefaultValues(@Nonnull ConfigurationRequest cr) {
if (cr.containsField(NettyTransport.CK_PORT)) {
cr.getField(NettyTransport.CK_PORT).setDefaultValue(5555);
}
}
}
}