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HTTP/2: improved handling of END_STREAM in a separate DATA frame.

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The save body filter saves the request body to disk once the buffer is full.
Yet in HTTP/2 this might happen even if there is no need to save anything
to disk, notably when content length is known and the END_STREAM flag is
sent in a separate empty DATA frame.  Workaround is to provide additional
byte in the buffer, so saving the request body won't be triggered.

This fixes unexpected request body disk buffering in HTTP/2 observed after
the previous change when content length is known and the END_STREAM flag
is sent in a separate empty DATA frame.
This commit is contained in:
Maxim Dounin 2021-08-29 22:20:38 +03:00
parent 78d9a3af91
commit 9f90d11cf5
1 changed files with 3 additions and 0 deletions
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3
src/http/v2/ngx_http_v2.c
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@ -4034,6 +4034,9 @@ ngx_http_v2_read_request_body(ngx_http_request_t *r)
if (len < 0 || len > (off_t) clcf->client_body_buffer_size) {
len = clcf->client_body_buffer_size;
} else {
len++;
}
if (r->request_body_no_buffering && !stream->in_closed) {