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<title>Core Client: Data Structures</title>
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<body bgcolor=ffffff>
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<h2>Core Client: Data Structures</h2>
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<p>
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The key data structures in the core client are as follows.
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<p>
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Basic types:
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<pre>PROJECT</pre>
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<pre>APP</pre>
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<pre>FILE_INFO</pre>
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<pre>APP_VERSION</pre>
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<pre>IO_FILE_DESC</pre>
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<pre>WORKUNIT</pre>
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Contains execution information about workunit including
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command line arguments, environment variables and required
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input files. Also points to the application, app
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version and project the workunit is associated with.
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<pre>RESULT</pre>
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Contains status information about result including
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state, total CPU time, deadline, etc. Also points
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to the workunit, application and project the result is
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associated with.
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<pre>PREFS</pre>
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Contains a vector of PROJECTs, summarizing the prefs.xml
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file. Also contains user preferences.
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<pre>CLIENT_STATE</pre>
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Contains vectors of all the basic types. These are crossed-linked
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with pointers; for example, APP_VERSION has a pointer to FILE_INFO. Also
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contains FSM sets for network connections, HTTP operations, file
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transfers, persistent file transfers, and active tasks.
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