Storing information to show it in future packets

[Juan Jose Martin Carrascosa <juanjo () rti com>]

Hi everyone,

I wonder which would be the best way to store information gathered from
captured packets so I can show it in packets captured after.

To give some context... in the RTPS protocol, information about the Writers
of the data is provided in the discovery phase (Type of data,
configuration, etc.). This phase happens at the beginning of the
communication.

After that, when user data samples are sent they just contain the Writer
ID. I would like to know, with regards to performance, which is the best
way to store the data and retrieve it. For instance, any kind of hash
table? Ideally, I would store all the information in something like this:

struct WriterInfo {
    inner_struct writer_id; <<<<<<<<< key
    string my_info_string;
    string my_other_info_string;
    gint my_info_int;
...
};

I have already a prototype up and running but I think that this is far from
being the best approach.

Regards,
Juanjo Martin

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