oshi.hardware.platform.linux.LinuxFirmware Maven / Gradle / Ivy
/**
* Oshi (https://github.com/dblock/oshi)
*
* Copyright (c) 2010 - 2016 The Oshi Project Team
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Maintainers:
* dblock[at]dblock[dot]org
* widdis[at]gmail[dot]com
* enrico.bianchi[at]gmail[dot]com
*
* Contributors:
* https://github.com/dblock/oshi/graphs/contributors
*/
package oshi.hardware.platform.linux;
import oshi.hardware.common.AbstractFirmware;
import oshi.util.ExecutingCommand;
import oshi.util.FileUtil;
import oshi.util.FormatUtil;
/**
* Firmware data obtained by sysfs
*
* @author SchiTho1 [at] Securiton AG
* @author widdis [at] gmail [dot] com
*/
final class LinuxFirmware extends AbstractFirmware {
private static final long serialVersionUID = 1L;
// Note: /sys/class/dmi/id symlinks here, but /sys/devices/* is the
// official/approved path for sysfs information
private static final String SYSFS_SERIAL_PATH = "/sys/devices/virtual/dmi/id/";
LinuxFirmware() {
init();
}
private void init() {
// $ sudo dmidecode -t bios
// # dmidecode 2.11
// SMBIOS 2.4 present.
//
// Handle 0x0000, DMI type 0, 24 bytes
// BIOS Information
// Vendor: Phoenix Technologies LTD
// Version: 6.00
// Release Date: 07/02/2015
// Address: 0xEA5E0
// Runtime Size: 88608 bytes
// ROM Size: 64 kB
// Characteristics:
// ISA is supported
// PCI is supported
// PC Card (PCMCIA) is supported
// PNP is supported
// APM is supported
// BIOS is upgradeable
// BIOS shadowing is allowed
// ESCD support is available
// Boot from CD is supported
// Selectable boot is supported
// EDD is supported
// Print screen service is supported (int 5h)
// 8042 keyboard services are supported (int 9h)
// Serial services are supported (int 14h)
// Printer services are supported (int 17h)
// CGA/mono video services are supported (int 10h)
// ACPI is supported
// Smart battery is supported
// BIOS boot specification is supported
// Function key-initiated network boot is supported
// Targeted content distribution is supported
// BIOS Revision: 4.6
// Firmware Revision: 0.0
// $ ls /sys/devices/virtual/dmi/id/
// bios_date board_vendor chassis_version product_version
// bios_vendor board_version modalias subsystem
// bios_version chassis_asset_tag power sys_vendor
// board_asset_tag chassis_serial product_name uevent
// board_name chassis_type product_serial
// board_serial chassis_vendor product_uuid
final String biosVendor = FileUtil.getStringFromFile(SYSFS_SERIAL_PATH + "bios_vendor");
if (biosVendor != null && !biosVendor.trim().isEmpty()) {
setManufacturer(biosVendor.trim());
}
final String modalias = FileUtil.getStringFromFile(SYSFS_SERIAL_PATH + "modalias");
if (modalias != null && !modalias.trim().isEmpty()) {
setDescription(modalias.trim());
}
final String biosVersion = FileUtil.getStringFromFile(SYSFS_SERIAL_PATH + "bios_version");
if (biosVersion != null && !biosVersion.trim().isEmpty()) {
final String marker = "Bios Revision:";
String biosRevision = null;
// Requires root, may not return anything
for (final String checkLine : ExecutingCommand.runNative("dmidecode -t bios")) {
if (checkLine.contains(marker)) {
biosRevision = checkLine.split(marker)[1].trim();
break;
}
}
if (biosRevision != null && !biosRevision.trim().isEmpty()) {
setVersion(biosVersion.trim() + " (revision " + biosRevision + ")");
} else {
setVersion(biosVersion.trim());
}
}
final String biosDate = FileUtil.getStringFromFile(SYSFS_SERIAL_PATH + "bios_date");
if (biosDate != null && !biosDate.trim().isEmpty()) {
setReleaseDate(FormatUtil.formatStringDate(biosDate.trim()));
}
// name --> not set
}
}