1
2
3
4
5 package oshi.hardware.platform.linux;
6
7 import static oshi.util.Memoizer.memoize;
8
9 import java.time.format.DateTimeFormatter;
10 import java.time.format.DateTimeParseException;
11 import java.util.List;
12 import java.util.Locale;
13 import java.util.function.Supplier;
14
15 import oshi.annotation.concurrent.Immutable;
16 import oshi.driver.linux.Dmidecode;
17 import oshi.driver.linux.Sysfs;
18 import oshi.hardware.common.AbstractFirmware;
19 import oshi.util.Constants;
20 import oshi.util.ExecutingCommand;
21 import oshi.util.ParseUtil;
22 import oshi.util.tuples.Pair;
23
24
25
26
27 @Immutable
28 final class LinuxFirmware extends AbstractFirmware {
29
30 private static final DateTimeFormatter VCGEN_FORMATTER = DateTimeFormatter.ofPattern("MMM d uuuu HH:mm:ss",
31 Locale.ENGLISH);
32
33 private final Supplier<String> manufacturer = memoize(this::queryManufacturer);
34
35 private final Supplier<String> description = memoize(this::queryDescription);
36
37 private final Supplier<String> version = memoize(this::queryVersion);
38
39 private final Supplier<String> releaseDate = memoize(this::queryReleaseDate);
40
41 private final Supplier<String> name = memoize(this::queryName);
42
43 private final Supplier<VcGenCmdStrings> vcGenCmd = memoize(LinuxFirmware::queryVcGenCmd);
44
45 private final Supplier<Pair<String, String>> biosNameRev = memoize(Dmidecode::queryBiosNameRev);
46
47 @Override
48 public String getManufacturer() {
49 return manufacturer.get();
50 }
51
52 @Override
53 public String getDescription() {
54 return description.get();
55 }
56
57 @Override
58 public String getVersion() {
59 return version.get();
60 }
61
62 @Override
63 public String getReleaseDate() {
64 return releaseDate.get();
65 }
66
67 @Override
68 public String getName() {
69 return name.get();
70 }
71
72 private String queryManufacturer() {
73 String result = null;
74 if ((result = Sysfs.queryBiosVendor()) == null && (result = vcGenCmd.get().manufacturer) == null) {
75 return Constants.UNKNOWN;
76 }
77 return result;
78 }
79
80 private String queryDescription() {
81 String result = null;
82 if ((result = Sysfs.queryBiosDescription()) == null && (result = vcGenCmd.get().description) == null) {
83 return Constants.UNKNOWN;
84 }
85 return result;
86 }
87
88 private String queryVersion() {
89 String result = null;
90 if ((result = Sysfs.queryBiosVersion(this.biosNameRev.get().getB())) == null
91 && (result = vcGenCmd.get().version) == null) {
92 return Constants.UNKNOWN;
93 }
94 return result;
95 }
96
97 private String queryReleaseDate() {
98 String result = null;
99 if ((result = Sysfs.queryBiosReleaseDate()) == null && (result = vcGenCmd.get().releaseDate) == null) {
100 return Constants.UNKNOWN;
101 }
102 return result;
103 }
104
105 private String queryName() {
106 String result = null;
107 if ((result = biosNameRev.get().getA()) == null && (result = vcGenCmd.get().name) == null) {
108 return Constants.UNKNOWN;
109 }
110 return result;
111 }
112
113 private static VcGenCmdStrings queryVcGenCmd() {
114 String vcReleaseDate = null;
115 String vcManufacturer = null;
116 String vcVersion = null;
117
118 List<String> vcgencmd = ExecutingCommand.runNative("vcgencmd version");
119 if (vcgencmd.size() >= 3) {
120
121 try {
122 vcReleaseDate = DateTimeFormatter.ISO_LOCAL_DATE.format(VCGEN_FORMATTER.parse(vcgencmd.get(0)));
123 } catch (DateTimeParseException e) {
124 vcReleaseDate = Constants.UNKNOWN;
125 }
126
127 String[] copyright = ParseUtil.whitespaces.split(vcgencmd.get(1));
128 vcManufacturer = copyright[copyright.length - 1];
129
130 vcVersion = vcgencmd.get(2).replace("version ", "");
131 return new VcGenCmdStrings(vcReleaseDate, vcManufacturer, vcVersion, "RPi", "Bootloader");
132 }
133 return new VcGenCmdStrings(null, null, null, null, null);
134 }
135
136 private static final class VcGenCmdStrings {
137 private final String releaseDate;
138 private final String manufacturer;
139 private final String version;
140 private final String name;
141 private final String description;
142
143 private VcGenCmdStrings(String releaseDate, String manufacturer, String version, String name,
144 String description) {
145 this.releaseDate = releaseDate;
146 this.manufacturer = manufacturer;
147 this.version = version;
148 this.name = name;
149 this.description = description;
150 }
151 }
152 }