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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
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* file that accompanied this code.
*
* Modifications:
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package com.sun.enterprise.registration.impl.environment;
// The Service Tags team maintains the latest version of the implementation
// for system environment data collection. JDK will include a copy of
// the most recent released version for a JDK release. We rename
// the package to com.sun.servicetag so that the Sun Connection
// product always uses the latest version from the com.sun.scn.servicetags
// package. JDK and users of the com.sun.servicetag API
// (e.g. NetBeans and SunStudio) will use the version in JDK.
import java.io.*;
import java.util.*;
/**
* Linux implementation of the SystemEnvironment class.
*/
class LinuxSystemEnvironment extends SystemEnvironment {
LinuxSystemEnvironment() {
setHostId(getLinuxHostId());
setSystemModel(getLinuxModel());
setSystemManufacturer(getLinuxSystemManufacturer());
setCpuManufacturer(getLinuxCpuManufacturer());
setSerialNumber(getLinuxSN());
setPhysMem(getLinuxPhysMem());
setSockets(getLinuxSockets());
setCores(getLinuxCores());
setVirtCpus(getLinuxVirtCpus());
setCpuName(getLinuxCpuName());
setClockRate(getLinuxClockRate());
}
private String dmiInfo = null;
private static final int SN = 1;
private static final int SYS = 2;
private static final int CPU = 3;
private static final int MODEL = 4;
private String getLinuxHostId() {
String output = getCommandOutput("/usr/bin/hostid");
// trim off the leading 0x
if (output.startsWith("0x")) {
output = output.substring(2);
}
return output;
}
/**
* Tries to obtain and return the cpu manufacturer.
* @return The cpu manufacturer (an empty string if not found or an error occurred)
*/
private String getLinuxCpuManufacturer() {
String tmp = getLinuxPSNInfo(CPU);
if (tmp.length() > 0) {
return tmp;
}
String contents = getFileContent("/proc/cpuinfo");
for (String line : contents.split("\n")) {
if (line.contains("vendor_id")) {
String[] ss = line.split(":", 2);
if (ss.length > 1) {
return ss[1].trim();
}
}
}
// returns an empty string if it can't be found or an error happened
return getLinuxDMIInfo("dmi type 4", "manufacturer");
}
private String getLinuxModel() {
String tmp = getLinuxPSNInfo(MODEL);
if (tmp.length() > 0) {
return tmp + "::" + getCommandOutput("/bin/uname","-v");
}
tmp = getLinuxDMIInfo("dmi type 1", "product name");
if (tmp.length() > 0) {
return tmp + "::" + getCommandOutput("/bin/uname","-v");
}
return getCommandOutput("/bin/uname","-i")
+ "::" + getCommandOutput("/bin/uname","-v");
}
/**
* Tries to obtain and return the system manufacturer.
* @return The system manufacturer (an empty string if not found or an error occurred)
*/
private String getLinuxSystemManufacturer() {
String tmp = getLinuxPSNInfo(SYS);
if (tmp.length() > 0) {
return tmp;
}
// returns an empty string if it can't be found or an error happened
return getLinuxDMIInfo("dmi type 1", "manufacturer");
}
/**
* Tries to obtain and return the serial number of the system.
* @return The serial number (an empty string if not found or an error occurred)
*/
private String getLinuxSN() {
String tmp = getLinuxPSNInfo(SN);
if (tmp.length() > 0) {
return tmp;
}
// returns an empty string if it can't be found or an error happened
return getLinuxDMIInfo("dmi type 1", "serial number");
}
private String getLinuxPSNInfo(int target) {
// try to read from the psn file if it exists
String contents = getFileContent("/var/run/psn");
String[] ss = contents.split("\n");
if (target <= ss.length) {
return ss[target-1];
}
// default case is to return ""
return "";
}
// reads from dmidecode with the given type and target
// returns an empty string if nothing was found or an error occurred
//
// Sample output segment:
// Handle 0x0001
// DMI type 1, 25 bytes.
// System Information
// Manufacturer: System manufacturer
// Product Name: System Product Name
// Version: System Version
// Serial Number: System Serial Number
// UUID: 3091D719-B25B-D911-959D-6D1B12C7686E
// Wake-up Type: Power Switch
private synchronized String getLinuxDMIInfo(String dmiType, String target) {
// only try to get dmidecode information once, after that, we can
// reuse the output
if (dmiInfo == null) {
Thread dmidecodeThread = new Thread() {
public void run() {
dmiInfo = getCommandOutput("/usr/sbin/dmidecode");
}
};
dmidecodeThread.start();
try {
dmidecodeThread.join(3000);
if (dmidecodeThread.isAlive()) {
dmidecodeThread.interrupt();
dmiInfo = "";
}
} catch (InterruptedException ie) {
dmidecodeThread.interrupt();
}
}
if (dmiInfo.length() == 0) {
return "";
}
boolean dmiFlag = false;
for (String s : dmiInfo.split("\n")) {
String line = s.toLowerCase(Locale.US);
if (dmiFlag) {
if (line.contains(target)) {
String key = target + ":";
int indx = line.indexOf(key) + key.length();
if (line.contains(key) && indx < line.length()) {
return line.substring(indx).trim();
}
String[] ss = line.split(":");
return ss[ss.length-1];
}
} else if (line.contains(dmiType)) {
dmiFlag = true;
}
}
return "";
}
private String getLinuxClockRate() {
String contents = getFileContent("/proc/cpuinfo");
String token = "cpu MHz";
for (String line : contents.split("\n")) {
if (line.contains(token)) {
String[] key = line.split(":", 2);
if (key.length > 1) {
return key[1].trim();
}
}
}
return "";
}
private String getLinuxCpuName() {
String contents = getFileContent("/proc/cpuinfo");
String token = "model name";
for (String line : contents.split("\n")) {
if (line.contains(token)) {
String[] key = line.split(":", 2);
if (key.length > 1) {
return key[1].trim();
}
}
}
return "";
}
private String getLinuxVirtCpus() {
Set set = new HashSet();
String contents = getFileContent("/proc/cpuinfo");
String token = "processor";
for (String line : contents.split("\n")) {
if (line.contains(token)) {
String[] key = line.split(":", 2);
if (key.length > 1) {
set.add(key[1].trim());
}
}
}
return "" + set.size();
}
private String getLinuxCores() {
Set set = new HashSet();
String contents = getFileContent("/proc/cpuinfo");
String token = "core id";
for (String line : contents.split("\n")) {
if (line.contains(token)) {
String[] key = line.split(":", 2);
if (key.length > 1) {
set.add(key[1].trim());
}
}
}
if (set.size() == 0) {
return "1";
}
return "" + set.size();
}
private String getLinuxPhysMem() {
String contents = getFileContent("/proc/meminfo");
for (String line : contents.split("\n")) {
if (line.contains("MemTotal")) {
String[] total = line.split(":", 2);
if (total.length > 1) {
String[] mem = total[1].trim().split(" ");
if (mem.length >= 1) {
return mem[0].trim();
} else {
return total[1].trim();
}
}
}
}
return "0";
}
private String getLinuxSockets() {
Set physIdSet = new HashSet();
Set procSet = new HashSet();
String contents = getFileContent("/proc/cpuinfo");
String physIdToken = "physical id";
String procToken = "processor";
for (String line : contents.split("\n")) {
if (line.contains(physIdToken)) {
String[] key = line.split(":", 2);
if (key.length > 1) {
physIdSet.add(key[1].trim());
}
}
if (line.contains(procToken)) {
String[] key = line.split(":", 2);
if (key.length > 1) {
procSet.add(key[1].trim());
}
}
}
if (physIdSet.size() != 0) {
return "" + physIdSet.size();
}
return "" + procSet.size();
}
}
