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Chapter 342. Syslog DataFormat
Available as of Camel version 2.6
The syslog dataformat is used for working with RFC3164 and RFC5424 messages.
This component supports the following:
- UDP consumption of syslog messages
- Agnostic data format using either plain String objects or SyslogMessage model objects.
- Type Converter from/to SyslogMessage and String
- Integration with the camel-mina component.
- Integration with the camel-netty component.
- Camel 2.14: Encoder and decoder for the camel-netty component.
- Camel 2.14: Support for RFC5424 also.
Maven users will need to add the following dependency to their pom.xml for this component:
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-syslog</artifactId>
<version>x.x.x</version>
<!-- use the same version as your Camel core version -->
</dependency>342.1. RFC3164 Syslog protocol
Syslog uses the user datagram protocol (UDP) 1 as its underlying transport layer mechanism. The UDP port that has been assigned to syslog is 514.
To expose a Syslog listener service we reuse the existing camel-mina component or camel-netty where we just use the Rfc3164SyslogDataFormat to marshal and unmarshal messages. Notice that from Camel 2.14 onwards the syslog dataformat is renamed to SyslogDataFormat.
342.2. Options
The Syslog dataformat supports 1 options, which are listed below.
| Name | Default | Java Type | Description |
|---|---|---|---|
| contentTypeHeader |
|
| Whether the data format should set the Content-Type header with the type from the data format if the data format is capable of doing so. For example application/xml for data formats marshalling to XML, or application/json for data formats marshalling to JSon etc. |
342.3. Spring Boot Auto-Configuration
The component supports 2 options, which are listed below.
| Name | Description | Default | Type |
|---|---|---|---|
| camel.dataformat.syslog.content-type-header | Whether the data format should set the Content-Type header with the type from the data format if the data format is capable of doing so. For example application/xml for data formats marshalling to XML, or application/json for data formats marshalling to JSon etc. | false | Boolean |
| camel.dataformat.syslog.enabled | Enable syslog dataformat | true | Boolean |
ND
342.4. RFC5424 Syslog protocol
Available as of Camel 2.14
To expose a Syslog listener service we reuse the existing camel-mina component or camel-netty where we just use the SyslogDataFormat to marshal and unmarshal messages
342.4.1. Exposing a Syslog listener
In our Spring XML file, we configure an endpoint to listen for udp messages on port 10514, note that in netty we disable the defaultCodec, this
will allow a fallback to a NettyTypeConverter and delivers the message as an InputStream:
<camelContext id="myCamel" xmlns="http://camel.apache.org/schema/spring">
<dataFormats>
<syslog id="mySyslog"/>
</dataFormats>
<route>
<from uri="netty:udp://localhost:10514?sync=false&allowDefaultCodec=false"/>
<unmarshal ref="mySyslog"/>
<to uri="mock:stop1"/>
</route>
</camelContext>The same route using camel-mina
<camelContext id="myCamel" xmlns="http://camel.apache.org/schema/spring">
<dataFormats>
<syslog id="mySyslog"/>
</dataFormats>
<route>
<from uri="mina:udp://localhost:10514"/>
<unmarshal ref="mySyslog"/>
<to uri="mock:stop1"/>
</route>
</camelContext>342.4.2. Sending syslog messages to a remote destination
<camelContext id="myCamel" xmlns="http://camel.apache.org/schema/spring">
<dataFormats>
<syslog id="mySyslog"/>
</dataFormats>
<route>
<from uri="direct:syslogMessages"/>
<marshal ref="mySyslog"/>
<to uri="mina:udp://remotehost:10514"/>
</route>
</camelContext>342.5. See Also
- Configuring Camel
- Component
- Endpoint
- Getting Started
