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root/i-scream/projects/cms/source/host/java/SystemMonitor.java
Revision: 1.8
Committed: Fri Jan 19 00:13:49 2001 UTC (23 years, 10 months ago) by tdb
Branch: MAIN
Changes since 1.7: +3 -3 lines
Log Message:
Need to specify a type now.

File Contents

# Content
1 //---PACKAGE DECLARATION---
2
3 //---IMPORTS---
4
5 import java.io.*;
6 import java.net.*;
7 import java.util.*;
8
9 /**
10 * Gathers system information then outputs it as XML
11 * Collects data based on properties gained from the configurator
12 * then packages these up using XMLFormatter and outputs them if
13 * the timeout has passed.
14 *
15 * @author $Author: ab11 $
16 * @version $Id: SystemMonitor.java,v 1.7 2000/12/08 15:45:28 ab11 Exp $
17 */
18 class SystemMonitor {
19
20 //---FINAL ATTRIBUTES---
21
22 //---STATIC METHODS---
23
24 //---CONSTRUCTORS---
25
26 /**
27 * Public constructor for the class. Takes in a Config object to gain its
28 * properties from.
29 *
30 */
31 public SystemMonitor( Config config ){
32 // create a new instace, get the info we need out of config
33 // like things to monitor
34
35 lastCheck = System.currentTimeMillis();
36 sequence = 1;
37
38
39 // why oh why wont ultra edit let me put Long in the next line? oh its trying to
40 // correct keywords =|
41 /*
42
43 try {
44 udpcheckInterval = Long.parseLong(config.getProperty("UDPUpdateTime")) * 1000;
45 }
46 catch ( NumberFormatException e ){
47 System.out.println("The value for UDPUpdateTime is invalid, using a default");
48 // 5 mins
49 udpcheckInterval = 5000 * 60;
50 }
51 */
52
53 // make the check interval into seconds
54
55 }
56
57 //---PUBLIC METHODS---
58
59 /**
60 * Gathers system information and will black until the timeout has passed.
61 *
62 * @return the system information in an XML packet
63 */
64 public String getInfo(){
65 // called to retrieve the stored averages and output them as a XML string
66 String host = new String();
67 String ip = new String();
68 try {
69 host = InetAddress.getLocalHost().getHostName();
70 ip = InetAddress.getLocalHost().getHostAddress();
71 } catch(UnknownHostException e) {
72 System.out.println(e);
73 }
74 String date = Long.toString(System.currentTimeMillis());
75 XMLFormatter xml = new XMLFormatter("packet", "machine_name=\""+host+"\" ip=\""+ip+"\" date=\""+date+"\" seq_no=\""+sequence+"\" type=\"data\"");
76
77 // get and decode the data
78 DecodeCPU_TXT details = new DecodeCPU_TXT();
79
80 // add the decoded info
81 xml.addString(details.getItems());
82
83
84 /*
85 // MUST FIX THIS..!!!!
86 try {
87 long updateIn = ( lastCheck + udpcheckInterval )-System.currentTimeMillis();
88 if ( updateIn > 0 ){
89 Thread.sleep(updateIn);
90 }
91 else
92 {
93 Thread.sleep(defaultUpdateTime);
94 }
95 }
96 catch( InterruptedException e ){
97 System.out.println("Sleep interrupted");
98 }
99 */
100
101 // increment sequence.
102 sequence++;
103 // lastCheck = System.currentTimeMillis();
104
105 // finally return a string
106 return xml.returnXML();
107 } // getinfo()
108
109 //---PRIVATE METHODS---
110
111 //---ACCESSOR/MUTATOR METHODS---
112
113 //---ATTRIBUTES---
114
115 private long lastCheck;
116 private int sequence;
117
118 //---STATIC ATTRIBUTES---
119
120 } // class