I am working on output_filter
I have question about reading data. I am reading data with similar
technic like mod_dumpio,
but when testing with large pdf file, I have less data in apr_bucket_read
, then b->length indicates.
It seems some buffer size limit for reading exists.
how should I get all data out of b? any existing example ?
(I am not manipulating data in buckets at all, just forwarding them to
next filter).
for (b = APR_BRIGADE_FIRST(bb); b != APR_BRIGADE_SENTINEL(bb); b =
APR_BUCKET_NEXT(b)) {
apr_size_t bsize = b->length;
if (!(APR_BUCKET_IS_METADATA(b))) {
if (apr_bucket_read(b, &buf, &nbytes, APR_BLOCK_READ) == APR_SUCCESS) {
if (nbytes) {
do something with buf
}
}
}
}
printout of buckets:
(data-HEAP as b->length): 254 bytes
nbytes:254
(data-FILE): 11563137 bytes
length from nbytes:4194304
(data-FILE): 7368833 bytes
length from nbytes:4194304
(data-FILE): 3174529 bytes
length from nbytes:3174529
mod_ta: (metadata-EOS): 0 bytes
thanks,
Lyudmila
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