host/java/DecodeCPU_TXT.java

import java.io.*;
import java.util.*;

class DecodeCPU_TXT {

        XMLFormatter packet;

        public DecodeCPU_TXT(String _file){

                // open the file and read in all the relevant details
                try {
                        BufferedReader in = new BufferedReader(new FileReader(_file));
                        String line = new String();

                        // get rid of the first output (it doesn't contain cpu info)
                        for ( int i=0; i < 7; i++ ){
                                line = in.readLine();
                                System.out.println("Throwing away line: "+line);
                        }
                        // first line has the format: load averages:  0.30,  0.27,  0.29    16:58:10
                        // tokenize it using spaces as delimiters?
                        StringTokenizer tok = new StringTokenizer(line,":",false);
                        tok.nextToken(); // load averages:
                        String load1 = tok.nextToken(" ,"); // "0.30"
                        String load2 = tok.nextToken(); // "0.27"
                        String load3 = tok.nextToken(); // "0.29"
                        String sTime = tok.nextToken(); // "16:58:10"
                        
                        // get the next line
                        line = in.readLine(); // 632 processes: 591 sleeping, 10 zombie, 30 stopped, 1 on cpu
                        tok = new StringTokenizer(line," ",false);
                        String totalProcesses = tok.nextToken(); // "632"
                        String sleeping = tok.nextToken(": ,"); // "591"        
                        String zombie = tok.nextToken(); // "10"
                        String stopped = tok.nextToken(","); // "30"
                        
                        // get the next line
                        line = in.readLine(); // CPU states: 71.1% idle,  1.8% user,  4.8% kernel, 22.2% iowait,  0.0% swap
                        tok = new StringTokenizer(line,":%,",false);
                        String idle = tok.nextToken(); // "71.1"
                        String user = tok.nextToken(",%"); // "  1.8"
                        String kernel = tok.nextToken(); // "  4.8"
                        String iowait = tok.nextToken(); // " 22.2"
                        String swap = tok.nextToken(); // "  0.0"
                        
                        line = in.readLine(); // Memory: 4096M real, 2380M free, 1237M swap in use, 9774M swap free
                        tok = new StringTokenizer(line,": ,",false);
                        tok.nextToken(); // Memory:
                        String real = tok.nextToken(); // "4096M"
                        String free = tok.nextToken(", "); // "2380M"
                        String swapInUse = tok.nextToken(); // "1237M"
                        String swapFree = tok.nextToken(", "); // "9774M"
                        
                        // done now make it into an xml packet ;)
                
                        packet = new XMLFormatter("core");
                        packet.addNest("load");
                                packet.addElement("1",load1);
                                packet.addElement("2",load2);
                                packet.addElement("3",load3);
                        packet.closeNest();     
                        packet.addNest("processes");
                                packet.addElement("total",totalProcesses);
                                packet.addElement("sleeping",sleeping);
                                packet.addElement("zombie",zombie);
                                packet.addElement("stopped",stopped);
                        packet.closeNest();
                        packet.addNest("cpu");
                                packet.addElement("idle",idle);
                                packet.addElement("user",user);
                                packet.addElement("kernel",kernel);
                                packet.addElement("iowait",iowait);
                                packet.addElement("swap",swap);
                        packet.closeNest();
                        packet.addNest("memory");
                                packet.addElement("real",real);
                                packet.addElement("free",free);
                                packet.addElement("swapinuse",swapInUse);
                                packet.addElement("swapfree",swapFree);
                        packet.closeNest();
                        
                }
                catch ( IOException e ){
                        // probably couldn't find the file      
                }
        
                
        }

        public String getItems(){
                // return the xml
                return packet.returnXML();
                
        }
        

} // class
Revision:	1.1
Committed:	Thu Dec 7 18:26:19 2000 UTC (24 years, 10 months ago) by ab11
Branch:	MAIN
Log Message:	Initial version. Untested.
#	User	Rev	Content
1	ab11	1.1	import java.io.*;
2			import java.util.*;
3
4			class DecodeCPU_TXT {
5
6			XMLFormatter packet;
7
8			public DecodeCPU_TXT(String _file){
9
10			// open the file and read in all the relevant details
11			try {
12			BufferedReader in = new BufferedReader(new FileReader(_file));
13			String line = new String();
14
15			// get rid of the first output (it doesn't contain cpu info)
16			for ( int i=0; i < 7; i++ ){
17			line = in.readLine();
18			System.out.println("Throwing away line: "+line);
19			}
20			// first line has the format: load averages: 0.30, 0.27, 0.29 16:58:10
21			// tokenize it using spaces as delimiters?
22			StringTokenizer tok = new StringTokenizer(line,":",false);
23			tok.nextToken(); // load averages:
24			String load1 = tok.nextToken(" ,"); // "0.30"
25			String load2 = tok.nextToken(); // "0.27"
26			String load3 = tok.nextToken(); // "0.29"
27			String sTime = tok.nextToken(); // "16:58:10"
28
29			// get the next line
30			line = in.readLine(); // 632 processes: 591 sleeping, 10 zombie, 30 stopped, 1 on cpu
31			tok = new StringTokenizer(line," ",false);
32			String totalProcesses = tok.nextToken(); // "632"
33			String sleeping = tok.nextToken(": ,"); // "591"
34			String zombie = tok.nextToken(); // "10"
35			String stopped = tok.nextToken(","); // "30"
36
37			// get the next line
38			line = in.readLine(); // CPU states: 71.1% idle, 1.8% user, 4.8% kernel, 22.2% iowait, 0.0% swap
39			tok = new StringTokenizer(line,":%,",false);
40			String idle = tok.nextToken(); // "71.1"
41			String user = tok.nextToken(",%"); // " 1.8"
42			String kernel = tok.nextToken(); // " 4.8"
43			String iowait = tok.nextToken(); // " 22.2"
44			String swap = tok.nextToken(); // " 0.0"
45
46			line = in.readLine(); // Memory: 4096M real, 2380M free, 1237M swap in use, 9774M swap free
47			tok = new StringTokenizer(line,": ,",false);
48			tok.nextToken(); // Memory:
49			String real = tok.nextToken(); // "4096M"
50			String free = tok.nextToken(", "); // "2380M"
51			String swapInUse = tok.nextToken(); // "1237M"
52			String swapFree = tok.nextToken(", "); // "9774M"
53
54			// done now make it into an xml packet ;)
55
56			packet = new XMLFormatter("core");
57			packet.addNest("load");
58			packet.addElement("1",load1);
59			packet.addElement("2",load2);
60			packet.addElement("3",load3);
61			packet.closeNest();
62			packet.addNest("processes");
63			packet.addElement("total",totalProcesses);
64			packet.addElement("sleeping",sleeping);
65			packet.addElement("zombie",zombie);
66			packet.addElement("stopped",stopped);
67			packet.closeNest();
68			packet.addNest("cpu");
69			packet.addElement("idle",idle);
70			packet.addElement("user",user);
71			packet.addElement("kernel",kernel);
72			packet.addElement("iowait",iowait);
73			packet.addElement("swap",swap);
74			packet.closeNest();
75			packet.addNest("memory");
76			packet.addElement("real",real);
77			packet.addElement("free",free);
78			packet.addElement("swapinuse",swapInUse);
79			packet.addElement("swapfree",swapFree);
80			packet.closeNest();
81
82			}
83			catch ( IOException e ){
84			// probably couldn't find the file
85			}
86
87
88			}
89
90			public String getItems(){
91			// return the xml
92			return packet.returnXML();
93
94			}
95
96
97			} // class