LinuxSystemInfoCollectorpublic class LinuxSystemInfoCollector extends Object implements Collector| Class to collect System Information for Linux OS |
| Fields Summary |
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| private static Logger | logger | | private static final String | SWAP_SPACE_CMD | | private static final String | TCP_SETTINGS_CMD | | private static final String | MEMORY_INFO_CMD | | private static final String | PROCESSOR_INFO_CMD | | private static final String | HARD_DISK_INFO_CMD | | private static final String | NETWORK_SETTINGS_CMD | | private static final String | IP_ADDRESS_INFO_CMD | | private static final String | OS_LEVEL_PATCH_INFO_CMD | | private static final String | HOST_NAME_CMD | | private static final String | DOMAIN_NAME_CMD | | private static final String | SOFT_FILE_DESC_LIMIT_CMD | | private static final String | HARD_FILE_DESC_LIMIT_CMD | | private String | destFolder |
| Constructors Summary |
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public LinuxSystemInfoCollector(String destFolder)
this.destFolder = destFolder;
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| Methods Summary |
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| public com.sun.enterprise.diagnostics.Data | capture()captures the System Information for Linux OS
FileData data = null;
String outputFileName = destFolder + File.separator + Defaults.SYSTEM_INFO_FILE;
final String ALL_CMDS = "( echo HOSTNAME ; " + HOST_NAME_CMD + " " +
";echo DOMAINNAME ; "+ DOMAIN_NAME_CMD +
";echo 'HARD DISK INFO' ; " + HARD_DISK_INFO_CMD +
";echo 'NETWORK SETTINGS ' ; " + NETWORK_SETTINGS_CMD +
";echo 'IP ADDRESS INFO' ; " + IP_ADDRESS_INFO_CMD +
";echo 'OS LEVEL PATCH' ; " + OS_LEVEL_PATCH_INFO_CMD +
";echo 'SOFT FILE DESCRIPTOR LIMIT';"+ SOFT_FILE_DESC_LIMIT_CMD +
";echo 'HARD FILE DESCRIPTOR LIMIT';"+ HARD_FILE_DESC_LIMIT_CMD +
") >> " + outputFileName ;
String[] cmd = {"sh", "-c", ALL_CMDS};
ProcessExecutor executor = new ProcessExecutor(cmd, 0);
try{
executor.execute();
File outputFile = new File(outputFileName);
FileWriter writer = new FileWriter(outputFile, true);
String swapSpaceInfo = getSwapSpaceInfo();
writer.write("SWAP SPACE\n");
writer.write(swapSpaceInfo + "\n");
String processorInfo = getProcessorInfo();
writer.write("PROCESSOR INFO\n");
writer.write(processorInfo + "\n");
String memoryInfo = getMemoryInfo();
writer.write("MEMORY INFO\n");
writer.write(memoryInfo + "\n");
writer.close();
data = new FileData(outputFile.getName(),DataType.SYSTEM_INFO);
}
catch(ProcessExecutorException pee){
logger.log(Level.WARNING, "Exception while capturing system info" +
" : " + pee.getMessage());
}
catch(FileNotFoundException fnfe){
logger.log(Level.WARNING, "Exception while capturing system info" +
" : " + fnfe.getMessage());
}
catch(IOException ioe){
logger.log(Level.WARNING, "Exception while capturing system info" +
" : " + ioe.getMessage());
}
return data;
| | public java.lang.String | getMemoryInfo()To get memory information
String result = null;
try {
File file = new File(MEMORY_INFO_CMD); //file holding swap details
BufferedReader reader = new BufferedReader(new FileReader(file));
String line = null; //to read a line from the file
String total = null; //total swap space
String used = null; //used space
String free = null; //free space
while (true) {
line = reader.readLine();
if (line != null && line.indexOf("Mem:") >= 0) {
StringTokenizer tokenizer = new StringTokenizer(line, " ");
if (tokenizer.countTokens() >= 4)
// Tokenize and get individual strings
{
tokenizer.nextElement();
total = (String) tokenizer.nextElement();
used = (String) tokenizer.nextElement();
free = (String) tokenizer.nextElement();
result = "Total : " + total + "\nUsed : " + used +
"\nFree : " + free;
}
break;
} else if (line == null) // exit when eof is reached
{
break;
}
}
reader.close();
}
catch (IOException ioe) {
logger.log(Level.WARNING, "Exception while retrieving Memory " +
"Info : " + ioe.getMessage());
}
return result;
| | public java.lang.String | getProcessorInfo()To get Processor Information
String result = null;
try {
File file = new File(PROCESSOR_INFO_CMD); //file holding CPU details
BufferedReader reader = new BufferedReader(new FileReader(file));
String line = null; //to read a line from the file
while (true) {
line = reader.readLine();
if (line != null && line.indexOf("model name") >= 0) {
int index = line.indexOf(":");
if (index >= 0) {
result = line.substring(index + 1);
}
break;
} else if (line == null) // exit when eof is reached
{
break;
}
}
reader.close();
}
catch (IOException ioe) {
logger.log(Level.WARNING,"Exception while retrieving Processor Info" +
" : " + ioe.getMessage());
}
return result;
| | public java.lang.String | getSwapSpaceInfo()to get the Swap Space Information
String result = null;
try {
File file = new File(SWAP_SPACE_CMD); //file holding swap details
BufferedReader reader = new BufferedReader(new FileReader(file));
String line = null; //represents one line in the file
String total = null; //total swap space
String used = null; //used space
String free = null; //free space
while (true) {
line = reader.readLine();
if (line != null && line.indexOf("Swap:") >= 0) {
StringTokenizer tokenizer = new StringTokenizer(line, " ");
if (tokenizer.countTokens() >= 4) // Tokenize and get
// individual strings
{
tokenizer.nextElement();
total = (String) tokenizer.nextElement();
used = (String) tokenizer.nextElement();
free = (String) tokenizer.nextElement();
result = "Total : " + total + " , " + " Used : " + used +
" , " + "Free : " + free;
}
break;
} else if (line == null) // exit when eof is reached
{
break;
}
}
reader.close();
}
catch (IOException ioe) {
logger.log(Level.WARNING, "Exception while retrieving Swap Space Info" +
" : " + ioe.getMessage());
}
return result;
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