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ethermaker

Maven Central Maven Central (snapshot) Codecov Java Version

com.io7m.ethermaker

JVM Platform Status
OpenJDK (Temurin) Current Linux Build (OpenJDK (Temurin) Current, Linux)
OpenJDK (Temurin) LTS Linux Build (OpenJDK (Temurin) LTS, Linux)
OpenJDK (Temurin) Current Windows Build (OpenJDK (Temurin) Current, Windows)
OpenJDK (Temurin) LTS Windows Build (OpenJDK (Temurin) LTS, Windows)

ethermaker

The ethermaker package implements a set of tools and APIs for generating MAC addresses.

Features

  • Generates MAC addresses.
  • Describes MAC addresses.
  • Written in pure Java 21 for safety and portability.
  • High coverage test suite (100%, minus an unreachable private constructor).
  • OSGi-ready
  • JPMS-ready
  • ISC license.

Usage

Usage: ethermaker [options] [command] [command options]

  Options:
    --verbose
      Set the minimum logging verbosity level.
      Default: info
      Possible Values: [trace, debug, info, warn, error]

  Use the "help" command to examine specific commands:

    $ ethermaker help help.

  Command-line arguments can be placed one per line into a file, and the file
  can be referenced using the @ symbol:

    $ echo help > file.txt
    $ echo help >> file.txt
    $ ethermaker @file.txt

  Commands:
    describe     Describe MAC addresses
    generate     Generate MAC addresses
    help         Show detailed help messages for commands.
    version      Show the application version.

  Documentation:
    https://www.io7m.com/software/ethermaker/

To generate a set of ten random unicast MAC addresses:

$ ethermaker generate --count 10
68:cb:e4:d4:2d:94
22:c5:8c:99:22:15
8a:2c:2b:cd:71:98
5e:6e:8b:da:a3:00
dc:ab:be:0b:5f:14
d0:24:40:33:53:db
0a:2f:4e:20:eb:11
8c:95:69:ac:42:d2
32:9c:da:f3:a6:c8
f4:de:7f:4d:4e:5b

To generate a set of ten random MAC addresses under the organization C419D1:

$ ethermaker generate --count 10 --organization C419D1
c4:19:d1:39:d9:e3
c4:19:d1:f7:80:95
c4:19:d1:f8:d0:73
c4:19:d1:ef:b6:16
c4:19:d1:1e:60:db
c4:19:d1:25:91:23
c4:19:d1:7f:59:d1
c4:19:d1:60:30:0d
c4:19:d1:3e:78:eb
c4:19:d1:a5:f1:cb

To describe a set of MAC addresses:

$ ethermaker generate --count 10 --organization C419D1 | ethermaker describe
Address: c4:19:d1:83:97:9b, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:8f:84:77, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:50:af:bb, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:4a:f2:1e, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:97:30:58, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:d9:d7:a3, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:53:d2:98, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:ee:f3:d2, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:43:c0:41, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:e3:53:89, Multicast: false, Broadcast: false, Local: false