[OpenCALEA] Recent updates

[Norman Brandinger]

There have been some interesting updates to the OpenCALEA software base.

It should be noted that the software is under heavy development and is 
not ready for a "load and go" installation.

1. The packet capture routine (tap) can now call T1.IAS and/or T1.678 
LAES routines to BER encode the captured packet.
2. Tap can then send the BER encoded packet (along with a control 
header) to the OpenCALEA delivery function (df_collection).
2a. Tap currently sends two "ROUTE ADD" control messages to 
df_collector.  These messages instruct df_collector to open connections 
to the LEA collector (lea_collector in our case).
3. The df_collector looks at the control header and routes the BER 
encoded data to the appropriate LEA.

Actually, LEA for our testing purposes is the old lea_collector that has 
been modified to "sink" data to files.

The ASN.1 routines included in the OpenCALEA distribution contain 
"converter-sample" programs.  These programs have been used to validate 
that the BER encoded data that tap is sending matches the data that the 
lea_collector recorded to its files.

During the development of these recent changes, I've been more focused 
on getting a T1.IAS/T1.678 encoded packet sent to the lea_collector than 
writing pretty code. I'm in the process of cleaning up and hardening 
what "mechanically" works.

Regards,
Norm


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