oshi.software.os.unix.freebsd.FreeBsdFileSystem Maven / Gradle / Ivy
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/*
* Copyright 2016-2022 The OSHI Project Contributors
* SPDX-License-Identifier: MIT
*/
package oshi.software.os.unix.freebsd;
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.software.os.linux.LinuxOSFileStore;
import oshi.util.ExecutingCommand;
import oshi.util.FileSystemUtil;
import oshi.util.ParseUtil;
import oshi.util.platform.unix.freebsd.BsdSysctlUtil;
/**
* 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 final class FreeBsdFileSystem extends AbstractFileSystem {
public static final String OSHI_FREEBSD_FS_PATH_EXCLUDES = "oshi.os.freebsd.filesystem.path.excludes";
public static final String OSHI_FREEBSD_FS_PATH_INCLUDES = "oshi.os.freebsd.filesystem.path.includes";
public static final String OSHI_FREEBSD_FS_VOLUME_EXCLUDES = "oshi.os.freebsd.filesystem.volume.excludes";
public static final String OSHI_FREEBSD_FS_VOLUME_INCLUDES = "oshi.os.freebsd.filesystem.volume.includes";
private static final List FS_PATH_EXCLUDES = FileSystemUtil
.loadAndParseFileSystemConfig(OSHI_FREEBSD_FS_PATH_EXCLUDES);
private static final List FS_PATH_INCLUDES = FileSystemUtil
.loadAndParseFileSystemConfig(OSHI_FREEBSD_FS_PATH_INCLUDES);
private static final List FS_VOLUME_EXCLUDES = FileSystemUtil
.loadAndParseFileSystemConfig(OSHI_FREEBSD_FS_VOLUME_EXCLUDES);
private static final List FS_VOLUME_INCLUDES = FileSystemUtil
.loadAndParseFileSystemConfig(OSHI_FREEBSD_FS_VOLUME_INCLUDES);
@Override
public List getFileStores(boolean localOnly) {
// TODO map mount point to UUID?
// is /etc/fstab useful for this?
Map uuidMap = new HashMap<>();
// Now grab dmssg output
String device = "";
for (String line : ExecutingCommand.runNative("geom part list")) {
if (line.contains("Name: ")) {
device = line.substring(line.lastIndexOf(' ') + 1);
}
// If we aren't working with a current partition, continue
if (device.isEmpty()) {
continue;
}
line = line.trim();
if (line.startsWith("rawuuid:")) {
uuidMap.put(device, line.substring(line.lastIndexOf(' ') + 1));
device = "";
}
}
List fsList = new ArrayList<>();
// Get inode usage data
Map inodeFreeMap = new HashMap<>();
Map inodeTotalMap = new HashMap<>();
for (String line : ExecutingCommand.runNative("df -i")) {
/*- Sample Output:
Filesystem 1K-blocks Used Avail Capacity iused ifree %iused Mounted on
/dev/twed0s1a 2026030 584112 1279836 31% 2751 279871 1% /
*/
if (line.startsWith("/")) {
String[] split = ParseUtil.whitespaces.split(line);
if (split.length > 7) {
inodeFreeMap.put(split[0], ParseUtil.parseLongOrDefault(split[6], 0L));
// total is used + free
inodeTotalMap.put(split[0],
inodeFreeMap.get(split[0]) + ParseUtil.parseLongOrDefault(split[5], 0L));
}
}
}
// Get mount table
for (String fs : ExecutingCommand.runNative("mount -p")) {
String[] split = ParseUtil.whitespaces.split(fs);
if (split.length < 5) {
continue;
}
// 1st field is volume name
// 2nd field is mount point
// 3rd field is fs type
// 4th field is options
// other fields ignored
String volume = split[0];
String path = split[1];
String type = split[2];
String options = split[3];
// 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);
}
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")) {
description = "Ram Disk";
} else if (NETWORK_FS_TYPES.contains(type)) {
description = "Network Disk";
} else {
description = "Mount Point";
}
// Match UUID
String uuid = uuidMap.getOrDefault(name, "");
fsList.add(new LinuxOSFileStore(name, volume, name, path, options, uuid, "", description, type, freeSpace,
usableSpace, totalSpace, inodeFreeMap.containsKey(path) ? inodeFreeMap.get(path) : 0L,
inodeTotalMap.containsKey(path) ? inodeTotalMap.get(path) : 0L));
}
return fsList;
}
@Override
public long getOpenFileDescriptors() {
return BsdSysctlUtil.sysctl("kern.openfiles", 0);
}
@Override
public long getMaxFileDescriptors() {
return BsdSysctlUtil.sysctl("kern.maxfiles", 0);
}
@Override
public long getMaxFileDescriptorsPerProcess() {
// On FreeBsd there is no process specific system-wide limit, so the general limit is returned
return getMaxFileDescriptors();
}
}