Overview

MidiAssistant is a simple MIDI over ethernet solution for all platforms. It's utilize OSC protocol to communicate between peers. It uses JavaOSC library (http://www.illposed.com/software/javaosc.html).
My motivation is to developing this project that there is no open source solution for MIDI communications over ethernet for different platforms. 
(There are some expensive software solution)

You can run via command line, the parameters following:

java -jar MidiAssistant-<version>.jar

Parameters: 

       list                       List all MIDI port
       name                       Set the name of this host
       remote <host> <port>       The remote host and port where the MIDI messages
                                  is transfered
       ping <milisec>             Ping the remotehost host periodicaly
       midiin <midi port index>   The MIDI port listen in for messages 
       listen <port>              Set a server where the remote clients sends MIDI messages
       midiout <midi port index>  MIDI port where the messages from remote host
                                  is transfered
Examples:

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List all available MIDI port:
-----------------------------

>java -jar MidiAssistant-0.1-SNAPSHOT.jar list

MIDI ports: 

Mandolane MIDI SPI for OS X 10.5 or later Version 4.00
0  IN     FireWire Audiophile <MIn:0>, M-Audio, Version 4.00, Midi IN port:0
1     OUT FireWire Audiophile <MOut:0>, M-Audio, Version 4.00, Midi OUT port:0
2  IN     FireWire Audiophile, M-Audio, Unknown version, FireWire Audiophile
3     OUT FireWire Audiophile, M-Audio, Unknown version, FireWire Audiophile
4  IN OUT Real Time Sequencer, Sun Microsystems, Version 1.0, Software sequencer
5     OUT Java Sound Synthesizer, Sun Microsystems, Version 1.0, Software wavetable synthesizer and receiver
To terminate program press ENTER

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Listen UDP 11000 port for incoming MIDI messages and send them to MIDI Port 1 and 3
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>java -jar MidiAssistant-0.1-SNAPSHOT.jar listen 11000 midiout 1 midiout 3

OSC listener is running on: 11000
Mandolane MIDI SPI for OS X 10.5 or later Version 4.00
To terminate program press ENTER


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Listen UDP 11000 port for incoming MIDI messages and send them to MIDI Port 1 and 3
and sending all MIDI messages from 0 to remote host (in this example the localhost itself) 
and testing connection
-----------------------------------------------------------------------------------
>java -jar MidiAssistant-0.1-SNAPSHOT.jar listen 11000 midiout 1 midiout 3 remote localhost 11000 midiin 0 ping 10000

 OSC listener is running on: 11000
Mandolane MIDI SPI for OS X 10.5 or later Version 4.00
[START] Connection PollingThread for: noname:62384
 PING
To terminate program press ENTER
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