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<scxml datamodel="ecmascript">
<script src="http://uscxml.tk.informatik.tu-darmstadt.de/scripts/dump.js" />
<state id="start">
<state id="spawn">
<invoke type="expect" id="telnet">
<param name="debug" expr="false" />
<param name="timeout" expr="3" />
<param name="loguser" expr="false" />
<param name="spawn" expr="'/usr/bin/telnet'" />
<param name="argument" expr="_ioprocessors.basichttp.host" />
<param name="argument" expr="_ioprocessors.basichttp.port" />
<!-- <param name="argument" expr="80" /> -->
<finalize><script>//print('------------'); dump(_event);</script></finalize>
</invoke>
<state id="idle">
<onentry><log expr="'Waiting'"/></onentry>
<transition event="spawn.success" target="spawned" />
<transition event="spawn.failed" target="exit">
<script>print('FAIL: '); dump(_event);</script>
</transition>
</state>
<state id="spawned">
<onentry>
<log expr="'Spawned'"/>
<send target="#_telnet" event="expect.match">
<param name="exact:refused" expr="'Connection refused'" />
<!-- last line of a telnet connect -->
<param name="exact:connected" expr="'Escape character is \'^]\'.'" />
</send>
</onentry>
<transition event="expect.match.connected" target="established" />
</state>
<state id="established">
<onentry>
<log expr="'Established'"/>
<send target="#_telnet" event="expect.send">
<content>GET /${_name} HTTP/1.1\n\n</content>
</send>
<send target="#_telnet" event="expect.match">
<param name="exact:answered" expr="'Some arbitrary content'" />
</send>
</onentry>
<!-- Answer the telnet request -->
<transition event="http.get" type="internal">
<respond to="_event.origin">
<header name="Content-Type" value="text/plain" />
<content>Some arbitrary content</content>
</respond>
</transition>
<transition event="expect.match.answered" target="start" type="external" />
</state>
</state>
</state>
<final id="exit" />
</scxml>
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