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Request body: optimized handling of small chunks.

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If there is a previous buffer, copy small chunks into it instead of
allocating additional buffer.
This commit is contained in:
Maxim Dounin 2020-08-06 05:02:57 +03:00
parent 150cbb017b
commit 130a5e7126
1 changed files with 25 additions and 0 deletions
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25
src/http/ngx_http_request_body.c
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@ -1027,6 +1027,8 @@ ngx_http_request_body_chunked_filter(ngx_http_request_t *r, ngx_chain_t *in)
for (cl = in; cl; cl = cl->next) {
b = NULL;
for ( ;; ) {
ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0,
@ -1061,6 +1063,29 @@ ngx_http_request_body_chunked_filter(ngx_http_request_t *r, ngx_chain_t *in)
return NGX_HTTP_REQUEST_ENTITY_TOO_LARGE;
}
if (b
&& rb->chunked->size <= 128
&& cl->buf->last - cl->buf->pos >= rb->chunked->size)
{
r->headers_in.content_length_n += rb->chunked->size;
if (rb->chunked->size < 8) {
while (rb->chunked->size) {
*b->last++ = *cl->buf->pos++;
rb->chunked->size--;
}
} else {
ngx_memmove(b->last, cl->buf->pos, rb->chunked->size);
b->last += rb->chunked->size;
cl->buf->pos += rb->chunked->size;
rb->chunked->size = 0;
}
continue;
}
tl = ngx_chain_get_free_buf(r->pool, &rb->free);
if (tl == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;