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Added r->limit_rate_after.

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As of now, it allows to better control bandwidth limiting from additional
modules.  It is also expected to be used to add variables support to
the limit_rate_after directive.
This commit is contained in:
Maxim Dounin 2013-05-11 18:49:42 +04:00
parent 9cff79927a
commit c3dea40b45
2 changed files with 9 additions and 4 deletions
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1
src/http/ngx_http_request.h
View File

@ -420,6 +420,7 @@ struct ngx_http_request_s {
#endif
size_t limit_rate;
size_t limit_rate_after;
/* used to learn the Apache compatible response length without a header */
size_t header_size;

12
src/http/ngx_http_write_filter_module.c
View File

@ -207,8 +207,12 @@ ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *in)
}
if (r->limit_rate) {
if (r->limit_rate_after == 0) {
r->limit_rate_after = clcf->limit_rate_after;
}
limit = (off_t) r->limit_rate * (ngx_time() - r->start_sec + 1)
- (c->sent - clcf->limit_rate_after);
- (c->sent - r->limit_rate_after);
if (limit <= 0) {
c->write->delayed = 1;
@ -249,14 +253,14 @@ ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *in)
nsent = c->sent;
if (clcf->limit_rate_after) {
if (r->limit_rate_after) {
sent -= clcf->limit_rate_after;
sent -= r->limit_rate_after;
if (sent < 0) {
sent = 0;
}
nsent -= clcf->limit_rate_after;
nsent -= r->limit_rate_after;
if (nsent < 0) {
nsent = 0;
}