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authorStefan Radomski <radomski@tk.informatik.tu-darmstadt.de>2013-02-25 12:28:05 (GMT)
committerStefan Radomski <radomski@tk.informatik.tu-darmstadt.de>2013-02-25 12:28:05 (GMT)
commit49c3c43d18c9cce6de305aae77cc8bd839506129 (patch)
treecfc4ea84416c76e8bbe3e27d2918321115b61e24 /apps
parent47956a35d11495f2ebf6988c7f9d9dffe0bd3a4b (diff)
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Introduced postpone element and reorganized http request representation as events
Diffstat (limited to 'apps')
-rw-r--r--apps/samples/vrml-server.scxml103
1 files changed, 63 insertions, 40 deletions
diff --git a/apps/samples/vrml-server.scxml b/apps/samples/vrml-server.scxml
index e88be4c..f48008c 100644
--- a/apps/samples/vrml-server.scxml
+++ b/apps/samples/vrml-server.scxml
@@ -1,66 +1,89 @@
<scxml datamodel="ecmascript" name="vrml">
<script src="http://uscxml.tk.informatik.tu-darmstadt.de/scripts/dump.js" />
- <datamodel>
- <data id="files">
- {
- "foo" : "bar"
- }
- </data>
- </datamodel>
- <parallel id="main">
+ <script>
+ var files = {};
+ </script>
+ <state id="main">
<!-- Stop processing if no vrml-path was given on command line -->
<transition target="final" cond="_x['args']['vrml-path'] == undefined || _x['args']['vrml-path'].length == 0">
<log expr="'No --vrml-path given'" />
</transition>
-
- <state id="processHttp">
- <state id="wait">
- <transition event="http" target="wait">
- <script>
- dump(_event);
- </script>
- <response status="200" requestexpr="_event.origin">
- <content expr="files" />
- </response>
- </transition>
- </state>
- </state>
-
+
<!-- Stop processing if an error occurred -->
<transition target="final" event="error">
<log expr="'An error occured:'" />
<script>dump(_event);</script>
</transition>
-
- <!-- Start the osgconvert invoker to transform 3D files -->
- <invoke type="osgconvert" id="osgvonvert.osgb">
- <param name="format" expr="'osgb'" />
- <param name="destDir" expr="_x['args']['vrml-path'] + '/processed'" />
- </invoke>
-
+
<!-- Start the directory monitor -->
<invoke type="dirmon" id="dirmon.vrml">
<param name="dir" expr="_x['args']['vrml-path']" />
<param name="recurse" expr="true" />
<param name="suffix" expr="'.wrl'" />
<param name="reportExisting" expr="true" />
- <!-- Send every file to the converter -->
+ <!-- Remember every file -->
<finalize>
- <send target="#_osgvonvert.osgb" event="convert">
- <param name="file" expr="_event.data.file" />
- <param name="name" expr="_event.data.file.name" />
- </send>
+ <script>
+ dump(_event);
+ // use filename without directory as the key
+ var key = _event.data.file.name.substr(_event.data.file.dir.length + 1);
+ files[key] = _event.data;
+ </script>
</finalize>
</invoke>
+ <!-- Start the osgconvert invoker to transform 3D files -->
+ <invoke type="osgconvert" id="osgvonvert.osgb">
+ <param name="threads" expr="2" />
+ </invoke>
+
<!-- Idle here -->
<state id="idle">
- <onentry>
- <script>
- dump(_x['args']);
- </script>
- </onentry>
+ <!-- request for a specific format -->
+ <transition event="http" target="idle" cond="
+ _event.data.pathComponent.length == 3 &amp;&amp;
+ _event.data.pathComponent[0] == 'vrml' &amp;&amp;
+ _event.data.pathComponent[1] in files">
+ <script>dump(_event);</script>
+ <if cond="_event.data.pathComponent[2] in files[_event.data.pathComponent[1]]">
+ <response status="200" requestexpr="_event.origin">
+ <content expr="files[_event.data.pathComponent[1]][_event.data.pathComponent[2]]" />
+ </response>
+ <else>
+ <send target="#_osgvonvert.osgb">
+ <param name="source" expr="files[_event.data.pathComponent[1]].path" />
+ <param name="dest" expr="files[_event.data.pathComponent[1]].path + '.png'" />
+ <param name="format" expr="'png'" />
+ </send>
+ <postpone until="_event.data.pathComponent[2] in files[_event.data.pathComponent[1]]" />
+ </else>
+ </if>
+ </transition>
+
+
+ <!-- request for info on a special file -->
+ <transition event="http" target="idle" cond="
+ _event.data.pathComponent.length == 2 &amp;&amp;
+ _event.data.pathComponent[0] == 'vrml' &amp;&amp;
+ _event.data.pathComponent[1] in files">
+ <script>dump(_event);</script>
+ <response status="200" requestexpr="_event.origin">
+ <content expr="files[_event.data.pathComponent[1]]" />
+ </response>
+ </transition>
+
+ <!-- request for topmost list of all files -->
+ <transition event="http" target="idle" cond="
+ _event.data.pathComponent.length == 1 &amp;&amp;
+ _event.data.pathComponent[0] == 'vrml'
+ ">
+ <script>dump(_event);</script>
+ <response status="200" requestexpr="_event.origin">
+ <content expr="files" />
+ </response>
+ </transition>
+
</state>
- </parallel>
+ </state>
<state id="final" final="true" />
</scxml> \ No newline at end of file