Reg: global variable in vcl

[Geoff Simmons]

On 5/17/19 16:29, Nils Goroll wrote:
> 
> * with respect to global variables and types:
> 
>   On 17/05/2019 13:09, Geoff Simmons wrote:
>   > VMOD var supports global variables for the STRING, INT and REAL types,
> 
>   not that I would be aware, to my knowledge the var vmod only supports
>   STRING for global variables.

Yeah I think you're right. I was confused by what the docs for VMOD var
say, IMO this could use some better clarity:

-----8<-----
It supports strings, integers and real numbers. There are methods to get
and set each data type.

Global variables have a lifespan that extends across requests and
VCLs, for as long as the vmod is loaded.

The remaining functions have PRIV_TASK lifespan ...
-----8<-----

The first sentence lists STRING, INT and REAL, and then further down
there's a contrast to the "remaining functions" with task scope. Since
the paragraph in the middle says something about global variables, I
thought it meant that there is support for global variables of those
three types.

If I'm reading the .vcc file correctly:

- VMOD var supports six types, not just those three (STRING, INT, REAL,
IP, DURATION and BACKEND).

- It supports task scope for all six types.

- It also supports global scope for STRING.


Best,
Geoff
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