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[mod_fastcgi] decode chunked is cold code path 

decode chunked from FastCGI backend is cold code path
This commit is contained in:
Glenn Strauss 2020-10-11 08:29:35 -04:00
parent dc51e9d61c
commit 8abbf621d1
1 changed files with 11 additions and 4 deletions
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15
src/mod_fastcgi.c
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@ -382,12 +382,11 @@ static void fastcgi_get_packet_body(buffer * const b, handler_ctx * const hctx,
buffer_string_set_length(b, blen + packet->len - packet->padding);
}
__attribute_cold__
__attribute_noinline__
static int
mod_fastcgi_chunk_decode_transfer_cqlen (request_st * const r, chunkqueue * const src, const unsigned int len)
{
if (!r->resp_decode_chunked)
return http_chunk_transfer_cqlen(r, src, len);
if (0 == len) return 0;
/* specialized for mod_fastcgi to decode chunked encoding;
@ -407,6 +406,14 @@ mod_fastcgi_chunk_decode_transfer_cqlen (request_st * const r, chunkqueue * cons
return 0;
}
static int
mod_fastcgi_transfer_cqlen (request_st * const r, chunkqueue * const src, const unsigned int len)
{
return (!r->resp_decode_chunked)
? http_chunk_transfer_cqlen(r, src, len)
: mod_fastcgi_chunk_decode_transfer_cqlen(r, src, len);
}
static handler_t fcgi_recv_parse(request_st * const r, struct http_response_opts_t *opts, buffer *b, size_t n) {
handler_ctx *hctx = (handler_ctx *)opts->pdata;
int fin = 0;
@ -469,7 +476,7 @@ static handler_t fcgi_recv_parse(request_st * const r, struct http_response_opts
hctx->send_content_body = 0;
}
} else if (hctx->send_content_body) {
if (0 != mod_fastcgi_chunk_decode_transfer_cqlen(r, hctx->rb, packet.len - packet.padding)) {
if (0 != mod_fastcgi_transfer_cqlen(r, hctx->rb, packet.len - packet.padding)) {
/* error writing to tempfile;
* truncate response or send 500 if nothing sent yet */
fin = 1;