Plugging decoder scripts into Wireshark

[Mark Dawson <Mark.Dawson () imc-chicago com>]

We have protocols that we receive from various exchanges (e.g., NASDAQ, CME, etc.) that are encoded in different ways 
to transport market feeds to financial firms.

We capture this data for analysis with tcpdump and analyze it with Wireshark.  However, to decode the actual packet 
data, we have decoder tools we run against the it to get the actual market data (e.g., 300 shares of IBM sold@$85.32).

Do any of you know if it's possible to plug into Wireshark a decoder script, possibly written in Perl/Python/C, that 
will decode the packet data and display in a screen?  If we could do this, we can provide our decoder scripts to people 
not as technically savvy so they wouldn't have to tinker with our individual decoder scripts, but could just go through 
a familiar Wireshark screen and search through the data.

Is this possible?
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