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Sharing common state between filters #149
Description
Hello Wanglers
If I had to share some common state between filters in the Pipeline what is the recommended way to do this? Say, the first filter unwraps a network packet which contains header with information about the entire connection duration that can be shared between different filters, how do I extract this information/header in one filter and populate a map or something that can be used by other filters.
thanks
Activity
graphcareful commentedon Aug 21, 2019
Yes I would like to know the same thing. In more then one place in the documentation the following is stated:
When events are called, a Context* object is passed to the Handler - this means state can be stored in the context object, and a single instantiation of any individual Handler can be used for the entire program., however a concrete example is never shown.