oshi.software.os.unix.aix.AixOperatingSystem Maven / Gradle / Ivy
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/*
* Copyright 2020-2022 The OSHI Project Contributors
* SPDX-License-Identifier: MIT
*/
package oshi.software.os.unix.aix;
import static oshi.software.os.OSProcess.State.INVALID;
import static oshi.software.os.OSService.State.RUNNING;
import static oshi.software.os.OSService.State.STOPPED;
import static oshi.util.Memoizer.defaultExpiration;
import static oshi.util.Memoizer.memoize;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import com.sun.jna.Native;
import com.sun.jna.platform.unix.aix.Perfstat.perfstat_partition_config_t;
import com.sun.jna.platform.unix.aix.Perfstat.perfstat_process_t;
import oshi.annotation.concurrent.ThreadSafe;
import oshi.driver.unix.aix.Uptime;
import oshi.driver.unix.aix.Who;
import oshi.driver.unix.aix.perfstat.PerfstatConfig;
import oshi.driver.unix.aix.perfstat.PerfstatProcess;
import oshi.jna.platform.unix.AixLibc;
import oshi.software.common.AbstractOperatingSystem;
import oshi.software.os.FileSystem;
import oshi.software.os.InternetProtocolStats;
import oshi.software.os.NetworkParams;
import oshi.software.os.OSProcess;
import oshi.software.os.OSService;
import oshi.software.os.OSThread;
import oshi.util.ExecutingCommand;
import oshi.util.ParseUtil;
import oshi.util.Util;
import oshi.util.tuples.Pair;
/**
* AIX (Advanced Interactive eXecutive) is a series of proprietary Unix operating systems developed and sold by IBM for
* several of its computer platforms.
*/
@ThreadSafe
public class AixOperatingSystem extends AbstractOperatingSystem {
private final Supplier config = memoize(PerfstatConfig::queryConfig);
private final Supplier procCpu = memoize(PerfstatProcess::queryProcesses,
defaultExpiration());
private static final long BOOTTIME = querySystemBootTimeMillis() / 1000L;
@Override
public String queryManufacturer() {
return "IBM";
}
@Override
public Pair queryFamilyVersionInfo() {
perfstat_partition_config_t cfg = config.get();
String systemName = System.getProperty("os.name");
String archName = System.getProperty("os.arch");
String versionNumber = System.getProperty("os.version");
if (Util.isBlank(versionNumber)) {
versionNumber = ExecutingCommand.getFirstAnswer("oslevel");
}
String releaseNumber = Native.toString(cfg.OSBuild);
if (Util.isBlank(releaseNumber)) {
releaseNumber = ExecutingCommand.getFirstAnswer("oslevel -s");
} else {
// strip leading date
int idx = releaseNumber.lastIndexOf(' ');
if (idx > 0 && idx < releaseNumber.length()) {
releaseNumber = releaseNumber.substring(idx + 1);
}
}
return new Pair<>(systemName, new OSVersionInfo(versionNumber, archName, releaseNumber));
}
@Override
protected int queryBitness(int jvmBitness) {
if (jvmBitness == 64) {
return 64;
}
// 9th bit of conf is 64-bit kernel
return (config.get().conf & 0x0080_0000) > 0 ? 64 : 32;
}
@Override
public FileSystem getFileSystem() {
return new AixFileSystem();
}
@Override
public InternetProtocolStats getInternetProtocolStats() {
return new AixInternetProtocolStats();
}
@Override
public List queryAllProcesses() {
return getProcessListFromProcfs(-1);
}
@Override
public List queryChildProcesses(int parentPid) {
List allProcs = queryAllProcesses();
Set descendantPids = getChildrenOrDescendants(allProcs, parentPid, false);
return allProcs.stream().filter(p -> descendantPids.contains(p.getProcessID())).collect(Collectors.toList());
}
@Override
public List queryDescendantProcesses(int parentPid) {
List allProcs = queryAllProcesses();
Set descendantPids = getChildrenOrDescendants(allProcs, parentPid, true);
return allProcs.stream().filter(p -> descendantPids.contains(p.getProcessID())).collect(Collectors.toList());
}
@Override
public OSProcess getProcess(int pid) {
List procs = getProcessListFromProcfs(pid);
if (procs.isEmpty()) {
return null;
}
return procs.get(0);
}
private List getProcessListFromProcfs(int pid) {
List procs = new ArrayList<>();
// Fetch user/system times from perfstat
perfstat_process_t[] perfstat = procCpu.get();
Map> cpuMap = new HashMap<>();
for (perfstat_process_t stat : perfstat) {
int statpid = (int) stat.pid;
if (pid < 0 || statpid == pid) {
cpuMap.put(statpid, new Pair<>((long) stat.ucpu_time, (long) stat.scpu_time));
}
}
// Keys of this map are pids
for (Entry> entry : cpuMap.entrySet()) {
OSProcess proc = new AixOSProcess(entry.getKey(), entry.getValue(), procCpu, this);
if (proc.getState() != INVALID) {
procs.add(proc);
}
}
return procs;
}
@Override
public int getProcessId() {
return AixLibc.INSTANCE.getpid();
}
@Override
public int getProcessCount() {
return procCpu.get().length;
}
@Override
public int getThreadId() {
return AixLibc.INSTANCE.thread_self();
}
@Override
public OSThread getCurrentThread() {
OSProcess proc = getCurrentProcess();
final int tid = getThreadId();
return proc.getThreadDetails().stream().filter(t -> t.getThreadId() == tid).findFirst()
.orElse(new AixOSThread(proc.getProcessID(), tid));
}
@Override
public int getThreadCount() {
long tc = 0L;
for (perfstat_process_t proc : procCpu.get()) {
tc += proc.num_threads;
}
return (int) tc;
}
@Override
public long getSystemUptime() {
return System.currentTimeMillis() / 1000L - BOOTTIME;
}
@Override
public long getSystemBootTime() {
return BOOTTIME;
}
private static long querySystemBootTimeMillis() {
long bootTime = Who.queryBootTime();
if (bootTime >= 1000L) {
return bootTime;
}
return System.currentTimeMillis() - Uptime.queryUpTime();
}
@Override
public NetworkParams getNetworkParams() {
return new AixNetworkParams();
}
@Override
public List getServices() {
List services = new ArrayList<>();
// Get system services from lssrc command
/*-
Output:
Subsystem Group PID Status
platform_agent 2949214 active
cimsys 2490590 active
snmpd tcpip 2883698 active
syslogd ras 2359466 active
sendmail mail 3145828 active
portmap portmap 2818188 active
inetd tcpip 2752656 active
lpd spooler inoperative
...
*/
List systemServicesInfoList = ExecutingCommand.runNative("lssrc -a");
if (systemServicesInfoList.size() > 1) {
systemServicesInfoList.remove(0); // remove header
for (String systemService : systemServicesInfoList) {
String[] serviceSplit = ParseUtil.whitespaces.split(systemService.trim());
if (systemService.contains("active")) {
if (serviceSplit.length == 4) {
services.add(new OSService(serviceSplit[0], ParseUtil.parseIntOrDefault(serviceSplit[2], 0),
RUNNING));
} else if (serviceSplit.length == 3) {
services.add(new OSService(serviceSplit[0], ParseUtil.parseIntOrDefault(serviceSplit[1], 0),
RUNNING));
}
} else if (systemService.contains("inoperative")) {
services.add(new OSService(serviceSplit[0], 0, STOPPED));
}
}
}
// Get installed services from /etc/rc.d/init.d
File dir = new File("/etc/rc.d/init.d");
File[] listFiles;
if (dir.exists() && dir.isDirectory() && (listFiles = dir.listFiles()) != null) {
for (File file : listFiles) {
String installedService = ExecutingCommand.getFirstAnswer(file.getAbsolutePath() + " status");
// Apache httpd daemon is running with PID 3997858.
if (installedService.contains("running")) {
services.add(new OSService(file.getName(), ParseUtil.parseLastInt(installedService, 0), RUNNING));
} else {
services.add(new OSService(file.getName(), 0, STOPPED));
}
}
}
return services;
}
}