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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/client/ClientServant.java

Comparing projects/cms/source/server/uk/org/iscream/cms/server/client/ClientServant.java (file contents):
Revision 1.3 by tdb, Mon Feb 5 04:03:22 2001 UTC vs.
Revision 1.11 by tdb, Sat May 18 18:16:00 2002 UTC

#	Line 1 | Line 1
1	<	package uk.ac.ukc.iscream.client;
1	>	/*
2	>	* i-scream central monitoring system
3	>	* Copyright (C) 2000-2002 i-scream
4	>	*
5	>	* This program is free software; you can redistribute it and/or
6	>	* modify it under the terms of the GNU General Public License
7	>	* as published by the Free Software Foundation; either version 2
8	>	* of the License, or (at your option) any later version.
9	>	*
10	>	* This program is distributed in the hope that it will be useful,
11	>	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	>	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13	>	* GNU General Public License for more details.
14	>	*
15	>	* You should have received a copy of the GNU General Public License
16	>	* along with this program; if not, write to the Free Software
17	>	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18	>	*/
19
20	<	import uk.ac.ukc.iscream.client.*;
21	<	import uk.ac.ukc.iscream.clientinterface.*;
5	<	import uk.ac.ukc.iscream.util.*;
6	<	import org.omg.CosNaming.*;
7	<	import org.omg.CORBA.*;
8	<	import org.omg.PortableServer.*;
9	<	import java.io.*;
20	>	//---PACKAGE DECLARATION---
21	>	package uk.org.iscream.cms.server.client;
22
23	+	//---IMPORTS---
24	+	import uk.org.iscream.cms.server.componentmanager.*;
25	+	import uk.org.iscream.cms.server.core.*;
26	+	import uk.org.iscream.cms.server.util.*;
27	+
28	+	/**
29	+	* A servant for the LocalClient.
30	+	* This represents the Client interface for CORBA
31	+	* clients connecting to the i-scream system on the ClientInterface.
32	+	*
33	+	* The i-scream ClientInterface pumps data over CORBA into the
34	+	* queue, using the recieveXML method.  The MonitorManager
35	+	* then handles pulling the data out of this queue.
36	+	*
37	+	* @author  $Author$
38	+	* @version $Id$
39	+	*/
40		class ClientServant extends ClientPOA {
41	+
42	+	//---FINAL ATTRIBUTES---
43	+
44	+	/**
45	+	* The current CVS revision of this class
46	+	*/
47	+	public static final String REVISION = "$Revision$";
48	+
49	+	//---STATIC METHODS---
50	+
51	+	//---CONSTRUCTORS---
52	+
53	+	/**
54	+	* Construct a new ClientServant, with a given Queue.
55	+	*
56	+	* @param queue The Queue that will link this class to the MonitorManager
57	+	*/
58	+	public ClientServant(Queue queue) {
59	+	_queue = queue;
60	+	}
61	+
62	+	//---PUBLIC METHODS---
63	+
64	+	/**
65	+	* Adds the inbound data to our queue when the CORBA method is called.
66	+	*
67	+	* @param xml The String of XML data
68	+	*/
69		public void receiveXML(String xml) {
70	<	XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(xml);
14	<	XMLPacket packet = xmlPacketMaker.createXMLPacket();
15	<	String machine_name = packet.getParam("packet.attributes.machine_name");
16	<	String cpuuser = packet.getParam("packet.cpu.user");
17	<	System.out.println("Hostname: " + machine_name + "\t\tUser CPU: " + cpuuser);
18	<	if(cpuuser != null) {
19	<	double c = new Double(cpuuser).doubleValue();
20	<	if (c > 80.0) {
21	<	String alert = "WARNING: Host "+machine_name+" has reached "+cpuuser+"% user CPU, which exceeds the threshold of 80%";
22	<	try {
23	<	Smtp smtp = new Smtp("mercury.ukc.ac.uk");
24	<	smtp.from("tdb1@ukc.ac.uk");
25	<	smtp.to("dev@i-scream.org.uk");
26	<	PrintWriter out = smtp.getOutputStream();
27	<	out.println("Subject: i-scream Local Client proof-of-concept Test");
28	<	out.println();
29	<	out.println(alert);
30	<	smtp.sendMessage();
31	<	smtp.close();
32	<	} catch(IOException e) {System.out.println(e);}
33	<	}
34	<	}
70	>	_queue.add(xml);
71		}
36	–	}
72
73	+	/**
74	+	* Overrides the {@link java.lang.Object#toString() Object.toString()}
75	+	* method to provide clean logging (every class should have this).
76	+	*
77	+	* This uses the uk.org.iscream.cms.server.util.FormatName class
78	+	* to format the toString()
79	+	*
80	+	* @return the name of this class and its CVS revision
81	+	*/
82	+	public String toString() {
83	+	return FormatName.getName(
84	+	_name,
85	+	getClass().getName(),
86	+	REVISION);
87	+	}
88	+
89	+	//---PRIVATE METHODS---
90	+
91	+	//---ACCESSOR/MUTATOR METHODS---
92	+
93	+	//---ATTRIBUTES---
94	+
95	+	/**
96	+	* This is the friendly identifier of the
97	+	* component this class is running in.
98	+	* eg, a Filter may be called "filter1",
99	+	* If this class does not have an owning
100	+	* component,  a name from the configuration
101	+	* can be placed here.  This name could also
102	+	* be changed to null for utility classes.
103	+	*/
104	+	private String _name = ClientMain.NAME;
105	+
106	+	/**
107	+	* This holds a reference to the
108	+	* system logger that is being used.
109	+	*/
110	+	private Logger _logger = ReferenceManager.getInstance().getLogger();
111	+
112	+	/**
113	+	* A reference to our Queue to place the inbond data into.
114	+	*/
115	+	private Queue _queue;
116	+
117	+	//---STATIC ATTRIBUTES---
118	+
119	+	}

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