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23 package com.sun.enterprise.diagnostics.collect;
24
25 import com.sun.logging.LogDomains;
26 import com.sun.enterprise.diagnostics.Data;
27 import com.sun.enterprise.diagnostics.Defaults;
28
29
30 import java.io.*;
31 import java.util.StringTokenizer  ;
32 import java.util.logging.Level ;
33 import java.util.logging.Logger ;
34
35
39
40 public class LinuxSystemInfoCollector implements Collector
41 {
42 private static Logger logger =
43 LogDomains.getLogger(LogDomains.ADMIN_LOGGER);
44
45
46 private static final String SWAP_SPACE_CMD = "/proc/meminfo";
47 private static final String TCP_SETTINGS_CMD =
48 "/proc/sys/net/ipv4/tcp_keepalive_time";
49 private static final String MEMORY_INFO_CMD = "/proc/meminfo";
50 private static final String PROCESSOR_INFO_CMD = "/proc/cpuinfo";
51 private static final String HARD_DISK_INFO_CMD =
52 "df -k | grep /dev | grep -v /dev/fd | awk '{print $1, $2, $6}'";
53 private static final String NETWORK_SETTINGS_CMD =
54 "/sbin/ifconfig | grep MTU";
55 private static final String IP_ADDRESS_INFO_CMD =
56 "/sbin/ifconfig | grep inet";
57 private static final String OS_LEVEL_PATCH_INFO_CMD = "rpm -qai";
58
59 private static final String HOST_NAME_CMD = "hostname";
60 private static final String DOMAIN_NAME_CMD = "domainname";
61 private static final String SOFT_FILE_DESC_LIMIT_CMD = "ulimit -n";
62 private static final String HARD_FILE_DESC_LIMIT_CMD = "ulimit -Hn";
63 private String destFolder = null;
64
65
66 public LinuxSystemInfoCollector(String destFolder){
67 this.destFolder = destFolder;
68 }
69
70
71
75 public Data capture(){
76
77 FileData data = null;
78 String outputFileName = destFolder + File.separator + Defaults.SYSTEM_INFO_FILE;
79
80
81 final String ALL_CMDS = "( echo HOSTNAME ; " + HOST_NAME_CMD + " " +
82 ";echo DOMAINNAME ; "+ DOMAIN_NAME_CMD +
83 ";echo 'HARD DISK INFO' ; " + HARD_DISK_INFO_CMD +
84 ";echo 'NETWORK SETTINGS ' ; " + NETWORK_SETTINGS_CMD +
85 ";echo 'IP ADDRESS INFO' ; " + IP_ADDRESS_INFO_CMD +
86 ";echo 'OS LEVEL PATCH' ; " + OS_LEVEL_PATCH_INFO_CMD +
87 ";echo 'SOFT FILE DESCRIPTOR LIMIT';"+ SOFT_FILE_DESC_LIMIT_CMD +
88 ";echo 'HARD FILE DESCRIPTOR LIMIT';"+ HARD_FILE_DESC_LIMIT_CMD +
89 ") >> " + outputFileName ;
90
91 String [] cmd = {"sh", "-c", ALL_CMDS};
92
93 ProcessExecutor executor = new ProcessExecutor(cmd, 0);
94 try{
95 executor.execute();
96
97 File outputFile = new File(outputFileName);
98
99 FileWriter writer = new FileWriter(outputFile, true);
100
101 String swapSpaceInfo = getSwapSpaceInfo();
102
103 writer.write("SWAP SPACE\n");
104 writer.write(swapSpaceInfo + "\n");
105
106 String processorInfo = getProcessorInfo();
107
108 writer.write("PROCESSOR INFO\n");
109 writer.write(processorInfo + "\n");
110
111 String memoryInfo = getMemoryInfo();
112
113 writer.write("MEMORY INFO\n");
114 writer.write(memoryInfo + "\n");
115
116 writer.close();
117
118 data = new FileData(outputFile.getName(),DataType.SYSTEM_INFO);
119
120 }
121 catch(ProcessExecutorException pee){
122 logger.log(Level.WARNING, "Exception while capturing system info" +
123 " : " + pee.getMessage());
124 }
125 catch(FileNotFoundException fnfe){
126 logger.log(Level.WARNING, "Exception while capturing system info" +
127 " : " + fnfe.getMessage());
128 }
129 catch(IOException ioe){
130 logger.log(Level.WARNING, "Exception while capturing system info" +
131 " : " + ioe.getMessage());
132 }
133 return data;
134 }
135
136
140 public String getSwapSpaceInfo() {
141 String result = null;
142
143 try {
144 File file = new File(SWAP_SPACE_CMD); BufferedReader reader = new BufferedReader(new FileReader(file));
146
147 String line = null; String total = null; String used = null; String free = null;
152 while (true) {
153 line = reader.readLine();
154 if (line != null && line.indexOf("Swap:") >= 0) {
155 StringTokenizer tokenizer = new StringTokenizer (line, " ");
156
157 if (tokenizer.countTokens() >= 4) {
160 tokenizer.nextElement();
161 total = (String ) tokenizer.nextElement();
162 used = (String ) tokenizer.nextElement();
163 free = (String ) tokenizer.nextElement();
164
165 result = "Total : " + total + " , " + " Used : " + used +
166 " , " + "Free : " + free;
167 }
168 break;
169 } else if (line == null) {
171 break;
172 }
173 }
174 reader.close();
175 }
176 catch (IOException ioe) {
177
178 logger.log(Level.WARNING, "Exception while retrieving Swap Space Info" +
179 " : " + ioe.getMessage());
180 }
181 return result;
182 }
183
184
188 public String getProcessorInfo() {
189 String result = null;
190 try {
191 File file = new File(PROCESSOR_INFO_CMD); BufferedReader reader = new BufferedReader(new FileReader(file));
193
194 String line = null;
196 while (true) {
197 line = reader.readLine();
198 if (line != null && line.indexOf("model name") >= 0) {
199 int index = line.indexOf(":");
200 if (index >= 0) {
201 result = line.substring(index + 1);
202 }
203 break;
204 } else if (line == null) {
206 break;
207 }
208 }
209 reader.close();
210 }
211 catch (IOException ioe) {
212
213 logger.log(Level.WARNING,"Exception while retrieving Processor Info" +
214 " : " + ioe.getMessage());
215 }
216 return result;
217 }
218
219
223 public String getMemoryInfo() {
224 String result = null;
225 try {
226 File file = new File(MEMORY_INFO_CMD); BufferedReader reader = new BufferedReader(new FileReader(file));
228
229
230 String line = null; String total = null; String used = null; String free = null;
235 while (true) {
236 line = reader.readLine();
237 if (line != null && line.indexOf("Mem:") >= 0) {
238 StringTokenizer tokenizer = new StringTokenizer (line, " ");
239
240 if (tokenizer.countTokens() >= 4)
241 {
243 tokenizer.nextElement();
244 total = (String ) tokenizer.nextElement();
245 used = (String ) tokenizer.nextElement();
246 free = (String ) tokenizer.nextElement();
247
248 result = "Total : " + total + "\nUsed : " + used +
249 "\nFree : " + free;
250 }
251 break;
252
253 } else if (line == null) {
255 break;
256 }
257 }
258 reader.close();
259 }
260 catch (IOException ioe) {
261
262 logger.log(Level.WARNING, "Exception while retrieving Memory " +
263 "Info : " + ioe.getMessage());
264 }
265 return result;
266 }
267 }
268 |
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