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<document>
    <properties>
        <title>Apache Synapse - Sample 266</title>
    </properties>
    <body>
        <section name="Sample 266: Switching from UDP to HTTP/S">
            <div class="xmlConf">&lt;definitions xmlns="http://ws.apache.org/ns/synapse"&gt;

    &lt;proxy name="StockQuoteProxy" transports="udp"&gt;
        &lt;target&gt;
            &lt;endpoint&gt;
                &lt;address uri="http://localhost:9000/services/SimpleStockQuoteService"/&gt;
            &lt;/endpoint&gt;
            &lt;inSequence&gt;
                &lt;log level="full"/&gt;
                &lt;property name="OUT_ONLY" value="true"/&gt;
            &lt;/inSequence&gt;
        &lt;/target&gt;
        &lt;parameter name="transport.udp.port"&gt;9999&lt;/parameter&gt;
        &lt;parameter name="transport.udp.contentType"&gt;text/xml&lt;/parameter&gt;
        &lt;publishWSDL uri="file:repository/conf/sample/resources/proxy/sample_proxy_1.wsdl"/&gt;
    &lt;/proxy&gt;

&lt;/definitions&gt;</div>
            <subsection name="Objective">
                <p>
                    Showcase the ability of Synapse to receive and process raw UDP messages
                </p>
            </subsection>
            <subsection name="Pre-requisites">
                <p>
                    <ul>
                        <li>
                            Deploy the SimpleStockQuoteService in the sample Axis2 server and start Axis2
                        </li>
                        <li>
                            Enable the UDP transport receiver for Synapse (refer
                            <a href="setup/tcp_udp.html#udp">UDP transport setup guide</a>).
                        </li>
                        <li>
                            Start Synapse using the configuration numbered 266 (repository/conf/sample/synapse_sample_266.xml)
                            <div class="command">
                                Unix/Linux: sh synapse.sh -sample 266<br/>
                                Windows: synapse.bat -sample 266
                            </div>
                        </li>
                        <li>
                            Enable the UDP transport sender for the sample Axis2 client (refer
                            <a href="setup/tcp_udp.html#udp">UDP transport setup guide</a> for
                            details).
                        </li>
                    </ul>
                </p>
            </subsection>
            <subsection name="Executing the Client">
                <p>
                    This sample is similar to <a href="sample265.html">Sample 265</a>. Only difference
                    is instead of the TCP transport we will be using the UDP transport to receive
                    messages.
                </p>
                <p>
                    Invoke the stockquote client using the following command. Note the UDP URL in the
                    command.
                </p>
                <div class="command">ant stockquote -Daddurl=udp://localhost:9999?contentType=text/xml -Dmode=placeorder</div>
                <p>
                    Since we have configured the content type as text/xml for the proxy service,
                    incoming messages will be processed as SOAP 1.1 messages.
                </p>
                <p>
                    When the proxy service forwards the message to the sample Axis2 server over HTTP,
                    sample server will print the following entry to confirm that the request has
                    been received.
                </p>
                <div class="consoleOutput">Thu May 20 12:25:01 IST 2010 samples.services.SimpleStockQuoteService  :: Accepted order #1 for : 17621 stocks of IBM at $ 73.48068475255796</div>
            </subsection>
        </section>
        <p><a href="../samples.html">Back to Catalog</a></p>        
    </body>
</document>