/src/h2o/lib/handler/server_timing.c

Source (jump to first uncovered line)
/*
 * Copyright (c) 2018 Fastly, Ichito Nagata
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */
#include <assert.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include "h2o.h"

struct st_server_timing_filter_t {
    h2o_filter_t super;
    unsigned enforce : 1;
};

static void on_setup_ostream(h2o_filter_t *_self, h2o_req_t *req, h2o_ostream_t **slot)
{
    struct st_server_timing_filter_t *self = (struct st_server_timing_filter_t *)_self;

    /* indicate the protocol handler to emit server timing header (basic and proxy properties) */
    req->send_server_timing = H2O_SEND_SERVER_TIMING_BASIC | H2O_SEND_SERVER_TIMING_PROXY;

    /* force chunked encoding for HTTP/1.1 if enforce flag is set */
    if (0x101 <= req->version && req->version < 0x200 && self->enforce)
        req->res.content_length = SIZE_MAX;

    h2o_setup_next_ostream(req, slot);
}

void h2o_server_timing_register(h2o_pathconf_t *pathconf, int enforce)
{
    struct st_server_timing_filter_t *self = (struct st_server_timing_filter_t *)h2o_create_filter(pathconf, sizeof(*self));
    self->super.on_setup_ostream = on_setup_ostream;
    self->enforce = enforce;
}

Coverage Report

Created: 2025-07-12 06:34

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (c) 2018 Fastly, Ichito Nagata
3		*
4		* Permission is hereby granted, free of charge, to any person obtaining a copy
5		* of this software and associated documentation files (the "Software"), to
6		* deal in the Software without restriction, including without limitation the
7		* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
8		* sell copies of the Software, and to permit persons to whom the Software is
9		* furnished to do so, subject to the following conditions:
10		*
11		* The above copyright notice and this permission notice shall be included in
12		* all copies or substantial portions of the Software.
13		*
14		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16		* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17		* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18		* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19		* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
20		* IN THE SOFTWARE.
21		*/
22		#include <assert.h>
23		#include <inttypes.h>
24		#include <stdio.h>
25		#include <stdlib.h>
26		#include "h2o.h"
27
28		struct st_server_timing_filter_t {
29		h2o_filter_t super;
30		unsigned enforce : 1;
31		};
32
33		static void on_setup_ostream(h2o_filter_t _self, h2o_req_t req, h2o_ostream_t **slot)
34	0	{
35	0	struct st_server_timing_filter_t self = (struct st_server_timing_filter_t )_self;
36
37		/* indicate the protocol handler to emit server timing header (basic and proxy properties) */
38	0	req->send_server_timing = H2O_SEND_SERVER_TIMING_BASIC \| H2O_SEND_SERVER_TIMING_PROXY;
39
40		/* force chunked encoding for HTTP/1.1 if enforce flag is set */
41	0	if (0x101 <= req->version && req->version < 0x200 && self->enforce)
42	0	req->res.content_length = SIZE_MAX;
43
44	0	h2o_setup_next_ostream(req, slot);
45	0	}
46
47		void h2o_server_timing_register(h2o_pathconf_t *pathconf, int enforce)
48	0	{
49	0	struct st_server_timing_filter_t self = (struct st_server_timing_filter_t )h2o_create_filter(pathconf, sizeof(*self));
50	0	self->super.on_setup_ostream = on_setup_ostream;
51	0	self->enforce = enforce;
52	0	}