Author: buildbot
Date: Fri Sep 30 10:19:30 2016
New Revision: 998610
Log:
Production update by buildbot for camel
Modified:
websites/production/camel/content/cache/main.pageCache
websites/production/camel/content/netty4.html
Modified: websites/production/camel/content/cache/main.pageCache
==============================================================================
Binary files - no diff available.
Modified: websites/production/camel/content/netty4.html
==============================================================================
--- websites/production/camel/content/netty4.html (original)
+++ websites/production/camel/content/netty4.html Fri Sep 30 10:19:30 2016
@@ -98,7 +98,7 @@
netty4:udp://remotehost:99999/[?options]
]]></script>
</div></div><p>This component supports producer and consumer endpoints for
both TCP and UDP.</p><p>You can append query options to the URI in the
following format, <code>?option=value&option=value&...</code></p><h3
id="Netty4-Options">Options</h3><div class="confluenceTableSmall"><div
class="table-wrap">
- <table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1"
class="confluenceTh"><p>Default Value</p></th><th colspan="1" rowspan="1"
class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>keepAlive</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Setting to ensure socket is not
closed due to inactivity</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>tcpNoDelay</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Setting to improve TCP protocol
performance</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>backlog</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan=
"1" class="confluenceTd"><p>Allows to configure a backlog for netty consumer
(server). Note the backlog is just a best effort depending on the OS. Setting
this option to a value such as <code>200</code>, <code>500</code> or
<code>1000</code>, tells the TCP stack how long the "accept" queue can be. If
this option is not configured, then the backlog depends on OS
setting.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>broadcast</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Setting to choose Multicast over
UDP</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>connectTimeout</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>10000</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Time to wait for a socket connection to be
available. Value is in millis.</p></td></tr><tr><td colspan="1" rowspan="1" c
lass="confluenceTd"><p><code>reuseAddress</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Setting to facilitate socket
multiplexing</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>sync</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>true</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>Setting to set endpoint as one-way or
request-response</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>synchronous</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>By default, the <a shape="rect"
href="asynchronous-routing-engine.html">Asynchronous Routing Engine</a> is
used. Set to <code>true</code> to force processing
synchronously.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>ssl</co
de></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>false</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>Setting to specify whether SSL encryption is applied to
this endpoint</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>sslClientCertHeaders</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>When enabled and in SSL mode,
then the Netty consumer will enrich the Camel <a shape="rect"
href="message.html">Message</a> with headers having information about the
client certificate such as subject name, issuer name, serial number, and the
valid date range.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>sendBufferSize</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>65536 bytes</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>The TCP/UDP buffer sizes to be
used dur
ing outbound communication. Size is bytes.</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>receiveBufferSize</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>65536
bytes</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The
TCP/UDP buffer sizes to be used during inbound communication. Size is
bytes.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>option.XXX</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Allows to configure additional netty
options using "option." as prefix. For example "option.child.keepAlive=false"
to set the netty option "child.keepAlive=false". See the Netty documentation
for possible options that can be used.</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>corePoolSize</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>10</c
ode></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The number of
allocated threads at component startup. Defaults to 10. <strong>Note:</strong>
This option is removed from Camel 2.9.2 onwards. As we rely on Nettys default
settings.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>maxPoolSize</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>100</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>The maximum number of threads that may be
allocated to this endpoint. Defaults to 100. <strong>Note:</strong> This option
is removed from Camel 2.9.2 onwards. As we rely on Nettys default
settings.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>disconnect</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Whether or not to disconnect(close) from
Netty Channel right after use. Can be used for bo
th consumer and producer.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>lazyChannelCreation</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Channels can be lazily created
to avoid exceptions, if the remote server is not up and running when the Camel
producer is started.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>transferExchange</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Only used for TCP. You can transfer the
exchange over the wire instead of just the body. The following fields are
transferred: In body, Out body, fault body, In headers, Out headers, fault
headers, exchange properties, exchange exception. This requires that the
objects are serializable. Camel will exclude any non-serializable objects and
log it at WARN level.<
/p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>disconnectOnNoReply</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>If sync is enabled then this
option dictates NettyConsumer if it should disconnect where there is no reply
to send back.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>noReplyLogLevel</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>WARN</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>If sync is enabled this option dictates
NettyConsumer which logging level to use when logging a there is no reply to
send back. Values are: <code>FATAL, ERROR, INFO, DEBUG,
OFF</code>.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>serverExceptionCaughtLogLevel</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>WARN</code></p></td><td
colspan="1" r
owspan="1" class="confluenceTd"><p>If the server (NettyConsumer) catches an
exception then its logged using this logging level.</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>serverClosedChannelExceptionCaughtLogLevel</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>DEBUG</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>If the server (NettyConsumer)
catches an <code>java.nio.channels.ClosedChannelException</code> then its
logged using this logging level. This is used to avoid logging the closed
channel exceptions, as clients can disconnect abruptly and then cause a flod of
closed exceptions in the Netty server.</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>allowDefaultCodec</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>The netty component installs a
default codec if both, encoder/deocder
is null and textline is false. Setting allowDefaultCodec to false prevents the
netty component from installing a default codec as the first element in the
filter chain.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>textline</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Only used for TCP. If no codec is
specified, you can use this flag to indicate a text line based codec; if not
specified or the value is false, then Object Serialization is assumed over
TCP.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>delimiter</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>LINE</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>The delimiter to use for the textline
codec. Possible values are <code>LINE</code> and
<code>NULL</code>.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><c
ode>decoderMaxLineLength</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>1024</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>The max line length to use for the textline
codec.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>autoAppendDelimiter</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Whether or not to auto append
missing end delimiter when sending using the textline
codec.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>encoding</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>The encoding (a charset name) to use for
the textline codec. If not provided, Camel will use the JVM default
Charset.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>workerCount</code></p><
/td><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>null</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p> When netty works on nio mode, it uses default
workerCount parameter from Netty, which is cpu_core_threads*2. User can use
this operation to override the default workerCount from
Netty</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>sslContextParameters</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p> SSL configuration using
an <code>org.apache.camel.util.jsse.SSLContextParameters</code> instance. See
<a shape="rect" href="#Netty4-UsingtheJSSEConfigurationUtility">Using the JSSE
Configuration Utility</a>.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>receiveBufferSizePredictor</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td
colspan="1" rowspan
="1" class="confluenceTd"><p>Configures the buffer size predictor. See details
at Jetty documentation and this <a shape="rect" class="external-link"
href="http://lists.jboss.org/pipermail/netty-users/2010-January/001958.html"
rel="nofollow">mail thread</a>.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>requestTimeout</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>0</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Allows to use a timeout for the Netty
producer when calling a remote server. By default no timeout is in use. The
value is in milli seconds, so eg <code>30000</code> is 30 seconds. <span>The
requestTimeout is using Netty's </span><span>ReadTimeoutHandler to trigger the
timeout. <strong>Camel 2.16, 2.15.3</strong><span> you can also override this
setting by setting the CamelNettyRequestTimeout
header.</span></span></p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>needClientAuth
</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>false</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p> Configures whether the server needs client
authentication when using SSL.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>usingExecutorService</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Whether to use executorService
to handle the message inside the camel route, the executorService can be set
from NettyComponent.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>maximumPoolSize</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>16</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>The core pool size for the ordered thread
pool, if its in use. NOTE: you can just setup this on the NettyComponent level
since<strong> Camel 2.15, 2.14.1.</strong></p
></td></tr><tr><td colspan="1" rowspan="1"
>class="confluenceTd"><p><code>producerPoolEnabled</code></p></td><td
>colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
>colspan="1" rowspan="1" class="confluenceTd"><p>Producer only. Whether
>producer pool is enabled or not. <strong>Important:</strong> Do not turn this
>off, as the pooling is needed for handling concurrency and reliable
>request/reply.</p></td></tr><tr><td colspan="1" rowspan="1"
>class="confluenceTd"><p><code>producerPoolMaxActive</code></p></td><td
>colspan="1" rowspan="1" class="confluenceTd"><p><code>-1</code></p></td><td
>colspan="1" rowspan="1" class="confluenceTd"><p>Producer only. Sets the cap
>on the number of objects that can be allocated by the pool (checked out to
>clients, or idle awaiting checkout) at a given time. Use a negative value for
>no limit.</p></td></tr><tr><td colspan="1" rowspan="1"
>class="confluenceTd"><p><code>producerPoolMinIdle</code></p></td><td
>colspan="1" rowspan="1" class=
"confluenceTd"><p><code>0</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>Producer only. Sets the minimum number of instances
allowed in the producer pool before the evictor thread (if active) spawns new
objects.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>producerPoolMaxIdle</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>100</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Producer only. Sets the cap on
the number of "idle" instances in the pool.</p></td></tr><tr><td colspan="1"
rowspan="1"
class="confluenceTd"><p><code>producerPoolMinEvictableIdle</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>300000</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Producer only. Sets the minimum
amount of time (value in millis) an object may sit idle in the pool before it
is eligible for eviction by the idle object evictor.</p></td></tr><tr><td
colspan="1" rows
pan="1"
class="confluenceTd"><p><code>bootstrapConfiguration</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Consumer only. Allows to
configure the Netty ServerBootstrap options using a
<code>org.apache.camel.component.netty4.NettyServerBootstrapConfiguration</code>
instance. This can be used to reuse the same configuration for multiple
consumers, to align their configuration more easily.</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>bossGroup</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>To use a explicit
<code>io.netty.<code>channel.EventLoopGroup</code> </code> as the boss thread
pool. For example to share a thread pool with multiple consumers. By default
each consumer has their own boss pool with 1 core thread.</p></td></tr><tr><td
colspan="1" rowspan="1" cl
ass="confluenceTd"><p><code>workerGroup</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>To use a explicit
<code>io.netty.channel.EventLoopGroup</code> as the worker thread pool. For
example to share a thread pool with multiple consumers. By default each
consumer or producer has their own worker pool with 2 x cpu count core
threads.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">channelGroup</td><td colspan="1" rowspan="1"
class="confluenceTd">null</td><td colspan="1" rowspan="1"
class="confluenceTd"><span><strong>Camel 2.17 </strong>To use a explicit
</span><code>io.netty.channel.group.ChannelGroup</code><span> for example to
broadact a message to multiple channels.</span></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>networkInterface</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td
colspan="1" ro
wspan="1" class="confluenceTd"><p>Consumer only. When using UDP then this
option can be used to specify a network interface by its name, such as
<code>eth0</code> to join a multicast group.</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><code>clientInitializerFactory</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><code>null</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.15:</strong> To
use a custom client initializer factory to control the pipelines in the
channel. See further below for more details.</td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><code>serverInitializerFactory</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><code>null</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><span><strong>Camel
2.15:</strong><span> </span>To use a custom server initializer factory to
control the pipelines in the channel. See further below for more
details.</span></td></tr><tr><td colspan="
1" rowspan="1"
class="confluenceTd"><p><code>clientPipelineFactory</code></p></td><td
colspan="1" rowspan="1"
class="confluenceTd"><span><code>null</code></span></td><td colspan="1"
rowspan="1" class="confluenceTd"><strong>Deprecated</strong>: Use
clientInitializerFactory instead.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>serverPipelineFactory</code></p></td><td
colspan="1" rowspan="1"
class="confluenceTd"><span><code>null</code></span></td><td colspan="1"
rowspan="1" class="confluenceTd"><strong>Deprecated</strong>: Use
serverInitializerFactory instead.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>udpConnectionlessSending</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><strong>Camel
2.15:</strong> Producer only.  This option supports connection less
udp sending which is a real fire and forget. A connected udp send receive
the PortUnreachableException if no one is listen on the receiving
port.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>clientMode</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>false</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><strong>Camel 2.15:</strong> Consumer only. If the
<code>clientMode</code> is true, netty consumer will connect the address as a
TCP client.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>reconnect</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><span style="font-family: monospace;">true</span></td><td
colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong>
Consumer only. Used only in clientMode in consumer, the consumer will attempt
to reconnect on disconnection automatically.</td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><code>reconnectInterval</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><code>10000</code></td><td co
lspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong>
Consumer only. Used if reconnect and clientMode is enabled. The interval in
milli seconds to attempt reconnection.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p class="p1"><code>useByteBuf</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><code>false</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong>
Producer only. If the <code><span>useByteBuf</span> </code>is true, netty
producer will turn the message body into <span>ByteBuf</span> before sending it
out.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>udpByteArrayCodec</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><code>false</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong> When using UDP
protocol then turning this option to true sends the data as a byte array
instead of the default object serialization codec.</td></t
r><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>reuseChannel</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>false</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><strong>Camel 2.17:</strong> Producer only. This option
allows producers to reuse the same Netty <code>Channel</code> for the lifecycle
of processing the Exchange. This is useable if you need to call a server
multiple times in a Camel route and want to use the same network connection.
When using this the channel is not returned to the connection pool until the
Exchange is done; or disconnected if the disconnect option is set to true.<br
clear="none">The reused <code>Channel</code> is stored on the Exchange as an
exchange property with the key <code>NettyConstants#NETTY_CHANNEL</code> which
allows you to obtain the channel during routing and use it as
well.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>nativeTransport</code></td><td colspan="1"
rowspan="1" cla
ss="confluenceTd"><code>false</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><strong>Camel 2.18:</strong> Whether to use native
transport instead of NIO. Native transport takes advantage of the host
operating system and is only supported on some platforms. You need to add the
netty JAR for the host operating system you are using. See more details at: <a
shape="rect" class="external-link"
href="http://netty.io/wiki/native-transports.html"
rel="nofollow">http://netty.io/wiki/native-transports.html</a></td></tr></tbody></table>
+ <table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1"
class="confluenceTh"><p>Default Value</p></th><th colspan="1" rowspan="1"
class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>keepAlive</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Setting to ensure socket is not
closed due to inactivity</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>tcpNoDelay</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Setting to improve TCP protocol
performance</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>backlog</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan=
"1" class="confluenceTd"><p>Allows to configure a backlog for netty consumer
(server). Note the backlog is just a best effort depending on the OS. Setting
this option to a value such as <code>200</code>, <code>500</code> or
<code>1000</code>, tells the TCP stack how long the "accept" queue can be. If
this option is not configured, then the backlog depends on OS
setting.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>broadcast</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Setting to choose Multicast over
UDP</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>connectTimeout</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>10000</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Time to wait for a socket connection to be
available. Value is in millis.</p></td></tr><tr><td colspan="1" rowspan="1" c
lass="confluenceTd"><p><code>reuseAddress</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Setting to facilitate socket
multiplexing</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>sync</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>true</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>Setting to set endpoint as one-way or
request-response</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>synchronous</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>By default, the <a shape="rect"
href="asynchronous-routing-engine.html">Asynchronous Routing Engine</a> is
used. Set to <code>true</code> to force processing
synchronously.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>ssl</co
de></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>false</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>Setting to specify whether SSL encryption is applied to
this endpoint</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>sslClientCertHeaders</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>When enabled and in SSL mode,
then the Netty consumer will enrich the Camel <a shape="rect"
href="message.html">Message</a> with headers having information about the
client certificate such as subject name, issuer name, serial number, and the
valid date range.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>sendBufferSize</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>65536 bytes</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>The TCP/UDP buffer sizes to be
used dur
ing outbound communication. Size is bytes.</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>receiveBufferSize</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>65536
bytes</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The
TCP/UDP buffer sizes to be used during inbound communication. Size is
bytes.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>option.XXX</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Allows to configure additional netty
options using "option." as prefix. For example "option.child.keepAlive=false"
to set the netty option "child.keepAlive=false". See the Netty documentation
for possible options that can be used.</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>corePoolSize</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>10</c
ode></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The number of
allocated threads at component startup. Defaults to 10. <strong>Note:</strong>
This option is removed from Camel 2.9.2 onwards. As we rely on Nettys default
settings.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>maxPoolSize</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>100</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>The maximum number of threads that may be
allocated to this endpoint. Defaults to 100. <strong>Note:</strong> This option
is removed from Camel 2.9.2 onwards. As we rely on Nettys default
settings.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>disconnect</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Whether or not to disconnect(close) from
Netty Channel right after use. Can be used for bo
th consumer and producer.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>lazyChannelCreation</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Channels can be lazily created
to avoid exceptions, if the remote server is not up and running when the Camel
producer is started.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>transferExchange</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Only used for TCP. You can transfer the
exchange over the wire instead of just the body. The following fields are
transferred: In body, Out body, fault body, In headers, Out headers, fault
headers, exchange properties, exchange exception. This requires that the
objects are serializable. Camel will exclude any non-serializable objects and
log it at WARN level.<
/p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><pre
class="gh-header-title">allowSerializedHeaders</pre></td><td colspan="1"
rowspan="1" class="confluenceTd"><pre>false</pre></td><td colspan="1"
rowspan="1" class="confluenceTd"><span><strong>Camel 2.18</strong></span> Only
used for TCP when transferExchange is true. Serializable objects in In/Out
headers and exchange properties are transfered.</td></tr><tr><td colspan="1"
rowspan="1"
class="confluenceTd"><p><code>disconnectOnNoReply</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>If sync is enabled then this
option dictates NettyConsumer if it should disconnect where there is no reply
to send back.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>noReplyLogLevel</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>WARN</code></p></td><td colspan="1"
rowspan="1" class="confl
uenceTd"><p>If sync is enabled this option dictates NettyConsumer which
logging level to use when logging a there is no reply to send back. Values are:
<code>FATAL, ERROR, INFO, DEBUG, OFF</code>.</p></td></tr><tr><td colspan="1"
rowspan="1"
class="confluenceTd"><p><code>serverExceptionCaughtLogLevel</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>WARN</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>If the server (NettyConsumer)
catches an exception then its logged using this logging
level.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>serverClosedChannelExceptionCaughtLogLevel</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>DEBUG</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>If the server (NettyConsumer)
catches an <code>java.nio.channels.ClosedChannelException</code> then its
logged using this logging level. This is used to avoid logging the closed
channel excepti
ons, as clients can disconnect abruptly and then cause a flod of closed
exceptions in the Netty server.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>allowDefaultCodec</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>The netty component installs a default
codec if both, encoder/deocder is null and textline is false. Setting
allowDefaultCodec to false prevents the netty component from installing a
default codec as the first element in the filter chain.</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>textline</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Only used for TCP. If no codec is
specified, you can use this flag to indicate a text line based codec; if not
specified or the value is false, then Object Serialization is assumed over
TCP.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>delimiter</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>LINE</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>The delimiter to use for the textline
codec. Possible values are <code>LINE</code> and
<code>NULL</code>.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>decoderMaxLineLength</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>1024</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>The max line length to use for
the textline codec.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>autoAppendDelimiter</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Whether or not to auto append
missing end delimiter when sending using the textline
codec.</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>encoding</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>The encoding (a charset name)
to use for the textline codec. If not provided, Camel will use the JVM default
Charset.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>workerCount</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p> When netty works on nio mode, it uses
default workerCount parameter from Netty, which is cpu_core_threads*2. User can
use this operation to override the default workerCount from
Netty</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>sslContextParameters</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p> SSL configurat
ion using an <code>org.apache.camel.util.jsse.SSLContextParameters</code>
instance. See <a shape="rect"
href="#Netty4-UsingtheJSSEConfigurationUtility">Using the JSSE Configuration
Utility</a>.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>receiveBufferSizePredictor</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Configures the buffer size
predictor. See details at Jetty documentation and this <a shape="rect"
class="external-link"
href="http://lists.jboss.org/pipermail/netty-users/2010-January/001958.html"
rel="nofollow">mail thread</a>.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>requestTimeout</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>0</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Allows to use a timeout for the Netty
producer when calling a remote server. By default no time
out is in use. The value is in milli seconds, so eg <code>30000</code> is 30
seconds. <span>The requestTimeout is using Netty's
</span><span>ReadTimeoutHandler to trigger the timeout. <strong>Camel 2.16,
2.15.3</strong><span> you can also override this setting by setting the
CamelNettyRequestTimeout header.</span></span></p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>needClientAuth</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p> Configures whether the
server needs client authentication when using SSL.</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>usingExecutorService</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Whether to use executorService
to handle the message inside the camel route, the executorService can be set
from Nett
yComponent.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>maximumPoolSize</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>16</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>The core pool size for the ordered thread
pool, if its in use. NOTE: you can just setup this on the NettyComponent level
since<strong> Camel 2.15, 2.14.1.</strong></p></td></tr><tr><td colspan="1"
rowspan="1"
class="confluenceTd"><p><code>producerPoolEnabled</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>true</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Producer only. Whether producer
pool is enabled or not. <strong>Important:</strong> Do not turn this off, as
the pooling is needed for handling concurrency and reliable
request/reply.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>producerPoolMaxActive</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p
><code>-1</code></p></td><td colspan="1" rowspan="1"
>class="confluenceTd"><p>Producer only. Sets the cap on the number of objects
>that can be allocated by the pool (checked out to clients, or idle awaiting
>checkout) at a given time. Use a negative value for no
>limit.</p></td></tr><tr><td colspan="1" rowspan="1"
>class="confluenceTd"><p><code>producerPoolMinIdle</code></p></td><td
>colspan="1" rowspan="1" class="confluenceTd"><p><code>0</code></p></td><td
>colspan="1" rowspan="1" class="confluenceTd"><p>Producer only. Sets the
>minimum number of instances allowed in the producer pool before the evictor
>thread (if active) spawns new objects.</p></td></tr><tr><td colspan="1"
>rowspan="1"
>class="confluenceTd"><p><code>producerPoolMaxIdle</code></p></td><td
>colspan="1" rowspan="1" class="confluenceTd"><p><code>100</code></p></td><td
>colspan="1" rowspan="1" class="confluenceTd"><p>Producer only. Sets the cap
>on the number of "idle" instances in the pool.</p></td></tr><tr><td
>colspan="1" rowspa
n="1"
class="confluenceTd"><p><code>producerPoolMinEvictableIdle</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>300000</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Producer only. Sets the minimum
amount of time (value in millis) an object may sit idle in the pool before it
is eligible for eviction by the idle object evictor.</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>bootstrapConfiguration</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Consumer only. Allows to
configure the Netty ServerBootstrap options using a
<code>org.apache.camel.component.netty4.NettyServerBootstrapConfiguration</code>
instance. This can be used to reuse the same configuration for multiple
consumers, to align their configuration more easily.</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>bossGroup</code></p><
/td><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>null</code></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>To use a explicit
<code>io.netty.<code>channel.EventLoopGroup</code> </code> as the boss thread
pool. For example to share a thread pool with multiple consumers. By default
each consumer has their own boss pool with 1 core thread.</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>workerGroup</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>To use a explicit
<code>io.netty.channel.EventLoopGroup</code> as the worker thread pool. For
example to share a thread pool with multiple consumers. By default each
consumer or producer has their own worker pool with 2 x cpu count core
threads.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">channelGroup</td><td colspan="1" rowspan="1"
class="confluenceTd">null</td><td colspan="
1" rowspan="1" class="confluenceTd"><span><strong>Camel 2.17 </strong>To use a
explicit </span><code>io.netty.channel.group.ChannelGroup</code><span> for
example to broadact a message to multiple channels.</span></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>networkInterface</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>null</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Consumer only. When using UDP then this
option can be used to specify a network interface by its name, such as
<code>eth0</code> to join a multicast group.</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><code>clientInitializerFactory</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><code>null</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.15:</strong> To
use a custom client initializer factory to control the pipelines in the
channel. See further below for more details.</td></tr><tr><td c
olspan="1" rowspan="1"
class="confluenceTd"><code>serverInitializerFactory</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><code>null</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><span><strong>Camel
2.15:</strong><span> </span>To use a custom server initializer factory to
control the pipelines in the channel. See further below for more
details.</span></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>clientPipelineFactory</code></p></td><td
colspan="1" rowspan="1"
class="confluenceTd"><span><code>null</code></span></td><td colspan="1"
rowspan="1" class="confluenceTd"><strong>Deprecated</strong>: Use
clientInitializerFactory instead.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>serverPipelineFactory</code></p></td><td
colspan="1" rowspan="1"
class="confluenceTd"><span><code>null</code></span></td><td colspan="1"
rowspan="1" class="confluenceTd"><strong>Deprecated</strong>: Use
serverInitializerFactory inst
ead.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>udpConnectionlessSending</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><strong>Camel
2.15:</strong> Producer only.  This option supports connection less
udp sending which is a real fire and forget. A connected udp send receive the
PortUnreachableException if no one is listen on the receiving
port.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>clientMode</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><code>false</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><strong>Camel 2.15:</strong> Consumer only. If the
<code>clientMode</code> is true, netty consumer will connect the address as a
TCP client.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>reconnect</code></td><td colspan="1" rowspan="1"
class="confluenceTd"><span style="font-
family: monospace;">true</span></td><td colspan="1" rowspan="1"
class="confluenceTd"><strong>Camel 2.16:</strong> Consumer only. Used only in
clientMode in consumer, the consumer will attempt to reconnect on disconnection
automatically.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>reconnectInterval</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><code>10000</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong> Consumer only.
Used if reconnect and clientMode is enabled. The interval in milli seconds to
attempt reconnection.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p class="p1"><code>useByteBuf</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><code>false</code></td><td
colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong>
Producer only. If the <code><span>useByteBuf</span> </code>is true, netty
producer will turn the message body into <span>ByteBuf</span> befo
re sending it out.</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><code>udpByteArrayCodec</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><code>false</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong> When using UDP
protocol then turning this option to true sends the data as a byte array
instead of the default object serialization codec.</td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><code>reuseChannel</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><code>false</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><strong>Camel 2.17:</strong> Producer only.
This option allows producers to reuse the same Netty <code>Channel</code> for
the lifecycle of processing the Exchange. This is useable if you need to call a
server multiple times in a Camel route and want to use the same network
connection. When using this the channel is not returned to the connection pool
until the Exchange is done
; or disconnected if the disconnect option is set to true.<br clear="none">The
reused <code>Channel</code> is stored on the Exchange as an exchange property
with the key <code>NettyConstants#NETTY_CHANNEL</code> which allows you to
obtain the channel during routing and use it as well.</td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><code>nativeTransport</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><code>false</code></td><td colspan="1"
rowspan="1" class="confluenceTd"><strong>Camel 2.18:</strong> Whether to use
native transport instead of NIO. Native transport takes advantage of the host
operating system and is only supported on some platforms. You need to add the
netty JAR for the host operating system you are using. See more details at: <a
shape="rect" class="external-link"
href="http://netty.io/wiki/native-transports.html"
rel="nofollow">http://netty.io/wiki/native-transports.html</a></td></tr></tbody></table>
</div></div><h3 id="Netty4-RegistrybasedOptions">Registry based
Options</h3><p>Codec Handlers and SSL Keystores can be enlisted in the <a
shape="rect" href="registry.html">Registry</a>, such as in the Spring XML
file.<br clear="none"> The values that could be passed in, are the
following:</p><div class="confluenceTableSmall"><div class="table-wrap">
<table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1"
class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>passphrase</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>password setting to use in
order to encrypt/decrypt payloads sent using SSH</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>keyStoreFormat</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>keystore format to be used for payload
encryption. Defaults to "JKS" if not set</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>securityProvider</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Security provider to be used
for payload encryption. Defaults to "SunX509" if not set.</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>keyStoreFile</code></p></td><td colspa
n="1" rowspan="1" class="confluenceTd"><p><strong>deprecated:</strong> Client
side certificate keystore to be used for encryption</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>trustStoreFile</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><strong>deprecated:</strong> Server side
certificate keystore to be used for encryption</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><code>keyStoreResource</code></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><strong>Camel 2.11.1:</strong>
Client side certificate keystore to be used for encryption. Is loaded by
default from classpath, but you can prefix with <code>"classpath:"</code>,
<code>"file:"</code>, or <code>"http:"</code> to load the resource from
different systems.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>trustStoreResource</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><strong>Camel 2.11.1:</strong> S
erver side certificate keystore to be used for encryption. Is loaded by
default from classpath, but you can prefix with <code>"classpath:"</code>,
<code>"file:"</code>, or <code>"http:"</code> to load the resource from
different systems.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>sslHandler</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Reference to a class that could be used to
return an SSL Handler</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>encoder</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>A custom <code>ChannelHandler</code> class
that can be used to perform special marshalling of outbound payloads. Must
override <span style="font-family:
monospace;">io.netty.channel.ChannelInboundHandlerAdapter</span>.</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>encoders</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>A list of encoders to
be used. You can use a String which have values separated by comma, and have
the values be looked up in the <a shape="rect"
href="registry.html">Registry</a>. Just remember to prefix the value with # so
Camel knows it should lookup.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><code>decoder</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>A custom <code>ChannelHandler</code> class
that can be used to perform special marshalling of inbound payloads. Must
override <span style="font-family:
monospace;">io.netty.channel.ChannelOutboundHandlerAdapter</span>.</p></td></tr><tr><td
colspan="1" rowspan="1"
class="confluenceTd"><p><code>decoders</code></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>A list of decoders to be used. You can use
a String which have values separated by comma, and have the values be looked up
in the <a shape="rect" href="registry.html">Registry</a>. Just remember to
prefix the value with # so Camel knows it sho
uld lookup.</p></td></tr></tbody></table>
</div></div><p><strong>Important:</strong> Read below about using non
shareable encoders/decoders.</p><h4
id="Netty4-Usingnonshareableencodersordecoders">Using non shareable encoders or
decoders</h4><p>If your encoders or decoders is not shareable (eg they have the
@Shareable class annotation), then your encoder/decoder must implement the
<code>org.apache.camel.component.netty.ChannelHandlerFactory</code> interface,
and return a new instance in the <code>newChannelHandler</code> method. This is
to ensure the encoder/decoder can safely be used. If this is not the case, then
the Netty component will log a WARN when<br clear="none"> an endpoint is
created.</p><p>The Netty component offers a
<code>org.apache.camel.component.netty.ChannelHandlerFactories</code> factory
class, that has a number of commonly used methods.</p><h3
id="Netty4-SendingMessagesto/fromaNettyendpoint">Sending Messages to/from a
Netty endpoint</h3><h4 id="Netty4-NettyProducer">Netty Producer</h4><p>In
Producer mode,
the component provides the ability to send payloads to a socket endpoint<br
clear="none"> using either TCP or UDP protocols (with optional SSL
support).</p><p>The producer mode supports both one-way and request-response
based operations.</p><h4 id="Netty4-NettyConsumer">Netty Consumer</h4><p>In
Consumer mode, the component provides the ability to:</p><ul
class="alternate"><li>listen on a specified socket using either TCP or UDP
protocols (with optional SSL support),</li><li>receive requests on the socket
using text/xml, binary and serialized object based payloads and</li><li>send
them along on a route as message exchanges.</li></ul><p>The consumer mode
supports both one-way and request-response based operations.</p><h3
id="Netty4-UsageSamples">Usage Samples</h3><h4
id="Netty4-AUDPNettyendpointusingRequest-Replyandserializedobjectpayload">A UDP
Netty endpoint using Request-Reply and serialized object payload</h4><div
class="code panel pdl" style="border-width: 1px;"><div class="code
Content panelContent pdl">