oshi.software.os.linux.LinuxHardwareAbstractionLayer Maven / Gradle / Ivy
package oshi.software.os.linux;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import oshi.hardware.HardwareAbstractionLayer;
import oshi.hardware.Memory;
import oshi.hardware.PowerSource;
import oshi.hardware.Processor;
import oshi.software.os.linux.proc.CentralProcessor;
import oshi.software.os.linux.proc.GlobalMemory;
import oshi.software.os.linux.proc.LinuxPowerSource;
import oshi.util.FileUtil;
/**
* @author alessandro[at]perucchi[dot]org
*/
public class LinuxHardwareAbstractionLayer implements HardwareAbstractionLayer {
private static final String SEPARATOR = "\\s+:\\s";
private Processor[] _processors = null;
private Memory _memory = null;
public Memory getMemory() {
if (_memory == null) {
_memory = new GlobalMemory();
}
return _memory;
}
public Processor[] getProcessors() {
if (_processors == null) {
List processors = new ArrayList();
List cpuInfo = null;
try {
cpuInfo = FileUtil.readFile("/proc/cpuinfo");
} catch (IOException e) {
System.err.println("Problem with: /proc/cpuinfo");
System.err.println(e.getMessage());
return null;
}
CentralProcessor cpu = null;
for (String toBeAnalyzed : cpuInfo) {
if (toBeAnalyzed.equals("")) {
if (cpu != null) {
processors.add(cpu);
}
cpu = null;
continue;
}
if (cpu == null) {
cpu = new CentralProcessor();
}
if (toBeAnalyzed.startsWith("model name\t")) {
cpu.setName(toBeAnalyzed.split(SEPARATOR)[1]);
continue;
}
if (toBeAnalyzed.startsWith("flags\t")) {
String[] flags = toBeAnalyzed.split(SEPARATOR)[1]
.split(" ");
boolean found = false;
for (String flag : flags) {
if (flag.equalsIgnoreCase("LM")) {
found = true;
break;
}
}
cpu.setCpu64(found);
continue;
}
if (toBeAnalyzed.startsWith("cpu family\t")) {
cpu.setFamily(toBeAnalyzed.split(SEPARATOR)[1]);
continue;
}
if (toBeAnalyzed.startsWith("model\t")) {
cpu.setModel(toBeAnalyzed.split(SEPARATOR)[1]);
continue;
}
if (toBeAnalyzed.startsWith("stepping\t")) {
cpu.setStepping(toBeAnalyzed.split(SEPARATOR)[1]);
continue;
}
if (toBeAnalyzed.startsWith("vendor_id")) {
cpu.setVendor(toBeAnalyzed.split(SEPARATOR)[1]);
continue;
}
}
if (cpu != null) {
processors.add(cpu);
}
_processors = processors.toArray(new Processor[0]);
}
return _processors;
}
public PowerSource[] getPowerSources() {
return LinuxPowerSource.getPowerSources();
}
}