oshi.software.os.unix.openbsd.OpenBsdFileSystem Maven / Gradle / Ivy
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/*
* Copyright 2021-2022 The OSHI Project Contributors
* SPDX-License-Identifier: MIT
*/
package oshi.software.os.unix.openbsd;
import java.io.File;
import java.nio.file.PathMatcher;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import oshi.annotation.concurrent.ThreadSafe;
import oshi.software.common.AbstractFileSystem;
import oshi.software.os.OSFileStore;
import oshi.util.ExecutingCommand;
import oshi.util.FileSystemUtil;
import oshi.util.ParseUtil;
import oshi.util.platform.unix.openbsd.OpenBsdSysctlUtil;
/**
* The FreeBSD File System contains {@link oshi.software.os.OSFileStore}s which are a storage pool, device, partition,
* volume, concrete file system or other implementation specific means of file storage.
*/
@ThreadSafe
public class OpenBsdFileSystem extends AbstractFileSystem {
public static final String OSHI_OPENBSD_FS_PATH_EXCLUDES = "oshi.os.openbsd.filesystem.path.excludes";
public static final String OSHI_OPENBSD_FS_PATH_INCLUDES = "oshi.os.openbsd.filesystem.path.includes";
public static final String OSHI_OPENBSD_FS_VOLUME_EXCLUDES = "oshi.os.openbsd.filesystem.volume.excludes";
public static final String OSHI_OPENBSD_FS_VOLUME_INCLUDES = "oshi.os.openbsd.filesystem.volume.includes";
private static final List FS_PATH_EXCLUDES = FileSystemUtil
.loadAndParseFileSystemConfig(OSHI_OPENBSD_FS_PATH_EXCLUDES);
private static final List FS_PATH_INCLUDES = FileSystemUtil
.loadAndParseFileSystemConfig(OSHI_OPENBSD_FS_PATH_INCLUDES);
private static final List FS_VOLUME_EXCLUDES = FileSystemUtil
.loadAndParseFileSystemConfig(OSHI_OPENBSD_FS_VOLUME_EXCLUDES);
private static final List FS_VOLUME_INCLUDES = FileSystemUtil
.loadAndParseFileSystemConfig(OSHI_OPENBSD_FS_VOLUME_INCLUDES);
@Override
public List getFileStores(boolean localOnly) {
return getFileStoreMatching(null, localOnly);
}
// Called by OpenBsdOSFileStore
static List getFileStoreMatching(String nameToMatch) {
return getFileStoreMatching(nameToMatch, false);
}
private static List getFileStoreMatching(String nameToMatch, boolean localOnly) {
List fsList = new ArrayList<>();
// Get inode usage data
Map inodeFreeMap = new HashMap<>();
Map inodeUsedlMap = new HashMap<>();
String command = "df -i" + (localOnly ? " -l" : "");
for (String line : ExecutingCommand.runNative(command)) {
/*- Sample Output:
$ df -i
Filesystem 512-blocks Used Avail Capacity iused ifree %iused Mounted on
/dev/wd0a 2149212 908676 1133076 45% 8355 147163 5% /
/dev/wd0e 4050876 36 3848300 0% 10 285108 0% /home
/dev/wd0d 6082908 3343172 2435592 58% 27813 386905 7% /usr
*/
if (line.startsWith("/")) {
String[] split = ParseUtil.whitespaces.split(line);
if (split.length > 6) {
inodeUsedlMap.put(split[0], ParseUtil.parseLongOrDefault(split[5], 0L));
inodeFreeMap.put(split[0], ParseUtil.parseLongOrDefault(split[6], 0L));
}
}
}
// Get mount table
for (String fs : ExecutingCommand.runNative("mount -v")) { // NOSONAR squid:S135
/*-
Sample Output:
/dev/wd0a (d1c342b6965d372c.a) on / type ffs (rw, local, ctime=Sun Jan 3 18:03:00 2021)
/dev/wd0e (d1c342b6965d372c.e) on /home type ffs (rw, local, nodevl, nosuid, ctime=Sun Jan 3 18:02:56 2021)
/dev/wd0d (d1c342b6965d372c.d) on /usr type ffs (rw, local, nodev, wxallowed, ctime=Sun Jan 3 18:02:56 2021)
*/
String[] split = ParseUtil.whitespaces.split(fs, 7);
if (split.length == 7) {
// 1st field is volume name [0-index] + partition letter
// 2nd field is disklabel UUID (DUID) + partition letter after the dot
// 4th field is mount point
// 6rd field is fs type
// 7th field is options
String volume = split[0];
String uuid = split[1];
String path = split[3];
String type = split[5];
String options = split[6];
// Skip non-local drives if requested, and exclude pseudo file systems
if ((localOnly && NETWORK_FS_TYPES.contains(type)) || !path.equals("/")
&& (PSEUDO_FS_TYPES.contains(type) || FileSystemUtil.isFileStoreExcluded(path, volume,
FS_PATH_INCLUDES, FS_PATH_EXCLUDES, FS_VOLUME_INCLUDES, FS_VOLUME_EXCLUDES))) {
continue;
}
String name = path.substring(path.lastIndexOf('/') + 1);
// Special case for /, pull last element of volume instead
if (name.isEmpty()) {
name = volume.substring(volume.lastIndexOf('/') + 1);
}
if (nameToMatch != null && !nameToMatch.equals(name)) {
continue;
}
File f = new File(path);
long totalSpace = f.getTotalSpace();
long usableSpace = f.getUsableSpace();
long freeSpace = f.getFreeSpace();
String description;
if (volume.startsWith("/dev") || path.equals("/")) {
description = "Local Disk";
} else if (volume.equals("tmpfs")) {
// dynamic size in memory FS
description = "Ram Disk (dynamic)";
} else if (volume.equals("mfs")) {
// fixed size in memory FS
description = "Ram Disk (fixed)";
} else if (NETWORK_FS_TYPES.contains(type)) {
description = "Network Disk";
} else {
description = "Mount Point";
}
fsList.add(new OpenBsdOSFileStore(name, volume, name, path, options, uuid, "", description, type,
freeSpace, usableSpace, totalSpace, inodeFreeMap.getOrDefault(volume, 0L),
inodeUsedlMap.getOrDefault(volume, 0L) + inodeFreeMap.getOrDefault(volume, 0L)));
}
}
return fsList;
}
@Override
public long getOpenFileDescriptors() {
return OpenBsdSysctlUtil.sysctl("kern.nfiles", 0);
}
@Override
public long getMaxFileDescriptors() {
return OpenBsdSysctlUtil.sysctl("kern.maxfiles", 0);
}
@Override
public long getMaxFileDescriptorsPerProcess() {
return OpenBsdSysctlUtil.sysctl("kern.maxfilesperproc", 0);
}
}