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//---PACKAGE DECLARATION--- |
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|
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//---IMPORTS--- |
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|
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/** |
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* Gathers system information then outputs it as XML |
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* Collects data based on properties gained from the configurator |
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* then packages these up using XMLFormatter and outputs them if |
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* the timeout has passed. |
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* |
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* @author $Author: ab11 $ |
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* @version $Id: SystemMonitor.java,v 1.1 2000/11/27 20:28 ab11 Exp $ |
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*/ |
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class SystemMonitor { |
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|
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//---FINAL ATTRIBUTES--- |
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|
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//---STATIC METHODS--- |
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|
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//---CONSTRUCTORS--- |
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|
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/** |
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* Public constructor for the class. Takes in a Config object to gain its |
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* properties from. |
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* |
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*/ |
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public SystemMonitor( Config config ){ |
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// create a new instace, get the info we need out of config |
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// like things to monitor |
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|
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lastCheck = System.currentTimeMillis(); |
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sequence = 0; |
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|
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|
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// why oh why wont ultra edit let me put Long in the next line? oh its trying to |
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// correct keywords =| |
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checkInterval = Long.parseLong(config.getProperty("UDPINTEVAL")); |
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|
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} |
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|
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//---PUBLIC METHODS--- |
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|
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/** |
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* Gathers system information and will black until the timeout has passed. |
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* |
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* @return the system information in an XML packet |
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*/ |
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public String getInfo(){ |
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// called to retrieve the stored averages and output them as a XML string |
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XMLFormatter xml = new XMLFormatter("packet"); |
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|
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// just send some dummy info for now. |
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xml.addNest("packet_info"); |
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String currentTime = Long.toString(System.currentTimeMillis()); |
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xml.addElement("date_time", currentTime ); |
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xml.addElement("sequence", Integer.toString(sequence)); |
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xml.closeNest(); |
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xml.addNest("core"); |
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xml.addElement("cpu","100"); |
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xml.addElement("memory","200"); |
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xml.closeNest(); |
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xml.addNest("additional"); |
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xml.addElement("users","20"); |
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xml.closeNest(); |
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|
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// MUST FIX THIS..!!!! |
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while ( System.currentTimeMillis() < ( lastCheck + checkInterval ) ){ |
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// errm do nothing.. block or something. |
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} |
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|
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// increment sequence. |
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sequence++; |
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|
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// finally return a string |
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return xml.returnXML(); |
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} // getinfo() |
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|
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//---PRIVATE METHODS--- |
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|
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//---ACCESSOR/MUTATOR METHODS--- |
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|
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//---ATTRIBUTES--- |
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|
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private long lastCheck; |
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private int sequence; |
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private long checkInterval; |
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//---STATIC ATTRIBUTES--- |
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|
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} // class |
