On 28 Apr 2006, at 16:04, David Bovill wrote:
Got a couple of questions about caching with the "load" command...
1) Is the stack / file cahed in memory or on disk -- looks like
it is in a local array in the libURL stack right?
In a libUrl array as you suspect.
2) If so the cache is lost when Rev quits - ie libURL closes?
That's right.
3) Does "load" work for all http related data access? "put" /
"get" but also "go" in the case of stack?
All of those, but it doesn't work for movie references. I'd guess it
also doesn't work for image references either.
Finally if I want a semi-permanent disk based "cache" - I guess I
should trap something using a front script? What would be the best
way to do this? Trap "getUrl"?, passing it if the url is not in the
disk based cache?
I'd be wary of trapping geturl. This is a handler inside libUrl that
gets called directly by the engine, and it contains some irregular
syntax.
Why not just have your own set of handlers for getting urls. Crude
example:
function myGetUrl pUrl
if isInCache(pUrl) then
return getfromCache(pUrl)
else
get url pUrl
if the result is empty then
putInCache pUrl, it
else
## error message, etc.
end if
end myGetUrl
Sorry, no space for the isInCache, getFromCache, putInCache
handlers. :-)
Cheers
Dave
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