| | varnish-cache/bin/varnishd/http2/cache_http2_session.c |
| 0 |
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/*- |
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* Copyright (c) 2016 Varnish Software AS |
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* All rights reserved. |
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* |
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* Author: Poul-Henning Kamp <phk@phk.freebsd.dk> |
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* |
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* SPDX-License-Identifier: BSD-2-Clause |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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*/ |
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|
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#include "config.h" |
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|
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#include "cache/cache_varnishd.h" |
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|
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#include <stdio.h> |
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|
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#include "cache/cache_transport.h" |
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#include "http2/cache_http2.h" |
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|
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#include "vend.h" |
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#include "vtcp.h" |
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6000 |
|
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static const char h2_resp_101[] = |
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"HTTP/1.1 101 Switching Protocols\r\n" |
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"Connection: Upgrade\r\n" |
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"Upgrade: h2c\r\n" |
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"\r\n"; |
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|
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static const char H2_prism[24] = { |
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0x50, 0x52, 0x49, 0x20, 0x2a, 0x20, 0x48, 0x54, |
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0x54, 0x50, 0x2f, 0x32, 0x2e, 0x30, 0x0d, 0x0a, |
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0x0d, 0x0a, 0x53, 0x4d, 0x0d, 0x0a, 0x0d, 0x0a |
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6000 |
}; |
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|
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static size_t |
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6000 |
h2_enc_settings(const struct h2_settings *h2s, uint8_t *buf, ssize_t n) |
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{ |
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6000 |
uint8_t *p = buf; |
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|
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#define H2_SETTING(U,l,v,d,...) \ |
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if (h2s->l != d) { \ |
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n -= 6; \ |
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assert(n >= 0); \ |
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6000 |
vbe16enc(p, v); \ |
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p += 2; \ |
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vbe32enc(p, h2s->l); \ |
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p += 4; \ |
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} |
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#include "tbl/h2_settings.h" |
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return (p - buf); |
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} |
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|
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static const struct h2_settings H2_proto_settings = { |
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6000 |
#define H2_SETTING(U,l,v,d,...) . l = d, |
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#include "tbl/h2_settings.h" |
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}; |
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|
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static void |
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6160 |
h2_local_settings(struct h2_settings *h2s) |
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{ |
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6160 |
*h2s = H2_proto_settings; |
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#define H2_SETTINGS_PARAM_ONLY |
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#define H2_SETTING(U, l, ...) \ |
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6000 |
h2s->l = cache_param->h2_##l; |
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#include "tbl/h2_settings.h" |
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#undef H2_SETTINGS_PARAM_ONLY |
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h2s->max_header_list_size = cache_param->http_req_size; |
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} |
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|
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void |
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10450 |
H2S_Lock_VSLb(const struct h2_sess *h2, enum VSL_tag_e tag, const char *fmt, ...) |
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{ |
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va_list ap; |
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10450 |
int held = 0; |
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6000 |
|
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10450 |
AN(h2); |
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|
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10450 |
if (VSL_tag_is_masked(tag)) |
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0 |
return; |
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|
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10450 |
if (h2->highest_stream > 0) { |
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9450 |
held = 1; |
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9450 |
Lck_Lock(&h2->sess->mtx); |
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9450 |
} |
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6000 |
|
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10450 |
va_start(ap, fmt); |
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10450 |
VSLbv(h2->vsl, tag, fmt, ap); |
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10450 |
va_end(ap); |
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|
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10450 |
if (held) |
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9450 |
Lck_Unlock(&h2->sess->mtx); |
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10450 |
} |
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|
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/********************************************************************** |
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6000 |
* The h2_sess struct needs many of the same things as a request, |
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* WS, VSL, HTC &c, but rather than implement all that stuff over, we |
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* grab an actual struct req, and mirror the relevant fields into |
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* struct h2_sess. |
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*/ |
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|
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static struct h2_sess * |
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6160 |
h2_init_sess(struct sess *sp, |
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struct h2_sess *h2s, struct req *srq, struct h2h_decode *decode) |
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{ |
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6000 |
uintptr_t *up; |
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struct h2_sess *h2; |
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|
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/* proto_priv session attribute will always have been set up by H1 |
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* before reaching here. */ |
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6160 |
AZ(SES_Get_proto_priv(sp, &up)); |
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6160 |
assert(*up == 0); |
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|
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6160 |
if (srq == NULL) |
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280 |
srq = Req_New(sp, NULL); |
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6160 |
AN(srq); |
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6160 |
h2 = h2s; |
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6160 |
AN(h2); |
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6160 |
INIT_OBJ(h2, H2_SESS_MAGIC); |
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6160 |
h2->srq = srq; |
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6160 |
h2->htc = srq->htc; |
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6160 |
h2->ws = srq->ws; |
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6160 |
h2->vsl = srq->vsl; |
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6160 |
VSL_Flush(h2->vsl, 0); |
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6160 |
h2->vsl->wid = sp->vxid; |
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6160 |
h2->htc->rfd = &sp->fd; |
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6160 |
h2->sess = sp; |
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6160 |
h2->rxthr = pthread_self(); |
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6160 |
PTOK(pthread_cond_init(h2->winupd_cond, NULL)); |
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6160 |
VTAILQ_INIT(&h2->streams); |
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6160 |
VTAILQ_INIT(&h2->txqueue); |
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6160 |
h2_local_settings(&h2->local_settings); |
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6160 |
h2->remote_settings = H2_proto_settings; |
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6160 |
h2->decode = decode; |
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|
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6160 |
h2->rapid_reset = cache_param->h2_rapid_reset; |
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6160 |
h2->rapid_reset_limit = cache_param->h2_rapid_reset_limit; |
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6160 |
h2->rapid_reset_period = cache_param->h2_rapid_reset_period; |
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|
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6160 |
h2->rst_budget = h2->rapid_reset_limit; |
| 160 |
6160 |
h2->last_rst = sp->t_open; |
| 161 |
6160 |
AZ(isnan(h2->last_rst)); |
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|
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6160 |
AZ(VHT_Init(h2->dectbl, h2->local_settings.header_table_size)); |
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|
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6160 |
*up = (uintptr_t)h2; |
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|
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6160 |
return (h2); |
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} |
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|
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static void |
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6113 |
h2_del_sess(struct worker *wrk, struct h2_sess *h2, stream_close_t reason) |
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{ |
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struct sess *sp; |
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struct req *req; |
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|
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6113 |
CHECK_OBJ_NOTNULL(h2, H2_SESS_MAGIC); |
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6113 |
AZ(h2->refcnt); |
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6113 |
assert(VTAILQ_EMPTY(&h2->streams)); |
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6113 |
AN(reason); |
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|
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6113 |
VHT_Fini(h2->dectbl); |
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6113 |
PTOK(pthread_cond_destroy(h2->winupd_cond)); |
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6113 |
TAKE_OBJ_NOTNULL(req, &h2->srq, REQ_MAGIC); |
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6113 |
assert(!WS_IsReserved(req->ws)); |
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6113 |
sp = h2->sess; |
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6113 |
Req_Cleanup(sp, wrk, req); |
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6113 |
Req_Release(req); |
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6113 |
SES_Delete(sp, reason, NAN); |
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6113 |
} |
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|
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/**********************************************************************/ |
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|
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enum htc_status_e v_matchproto_(htc_complete_f) |
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384189 |
H2_prism_complete(struct http_conn *htc) |
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{ |
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size_t sz; |
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|
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384189 |
CHECK_OBJ_NOTNULL(htc, HTTP_CONN_MAGIC); |
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384189 |
sz = sizeof(H2_prism); |
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384189 |
if (htc->rxbuf_b + sz > htc->rxbuf_e) |
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8260 |
sz = htc->rxbuf_e - htc->rxbuf_b; |
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384189 |
if (memcmp(htc->rxbuf_b, H2_prism, sz)) |
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359789 |
return (HTC_S_JUNK); |
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24400 |
return (sz == sizeof(H2_prism) ? HTC_S_COMPLETE : HTC_S_MORE); |
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384189 |
} |
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|
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|
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/********************************************************************** |
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* Deal with the base64url (NB: ...url!) encoded SETTINGS in the H1 req |
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* of a H2C upgrade. |
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*/ |
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|
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static int |
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280 |
h2_b64url_settings(struct h2_sess *h2, struct req *req) |
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{ |
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const char *p, *q; |
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uint8_t u[6], *up; |
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unsigned x; |
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int i, n; |
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static const char s[] = |
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
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"abcdefghijklmnopqrstuvwxyz" |
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"0123456789" |
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"-_="; |
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|
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/* |
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* If there is trouble with this, we could reject the upgrade |
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* but putting this on the H1 side is just plain wrong... |
| 229 |
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*/ |
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280 |
if (!http_GetHdr(req->http, H_HTTP2_Settings, &p)) |
| 231 |
40 |
return (-1); |
| 232 |
240 |
AN(p); |
| 233 |
240 |
VSLb(req->vsl, SLT_Debug, "H2CS %s", p); |
| 234 |
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|
| 235 |
240 |
n = 0; |
| 236 |
240 |
x = 0; |
| 237 |
240 |
up = u; |
| 238 |
3440 |
for (;*p; p++) { |
| 239 |
3240 |
q = strchr(s, *p); |
| 240 |
3240 |
if (q == NULL) |
| 241 |
40 |
return (-1); |
| 242 |
3200 |
i = q - s; |
| 243 |
3200 |
assert(i >= 0 && i <= 64); |
| 244 |
3200 |
x <<= 6; |
| 245 |
3200 |
x |= i; |
| 246 |
3200 |
n += 6; |
| 247 |
3200 |
if (n < 8) |
| 248 |
800 |
continue; |
| 249 |
2400 |
*up++ = (uint8_t)(x >> (n - 8)); |
| 250 |
2400 |
n -= 8; |
| 251 |
2400 |
if (up == u + sizeof u) { |
| 252 |
400 |
AZ(n); |
| 253 |
400 |
if (h2_set_setting(h2, (void*)u)) |
| 254 |
0 |
return (-1); |
| 255 |
400 |
up = u; |
| 256 |
400 |
} |
| 257 |
2400 |
} |
| 258 |
200 |
if (up != u) |
| 259 |
0 |
return (-1); |
| 260 |
200 |
return (0); |
| 261 |
280 |
} |
| 262 |
|
|
| 263 |
|
|
| 264 |
|
/**********************************************************************/ |
| 265 |
|
|
| 266 |
|
static int |
| 267 |
80 |
h2_ou_rel(struct worker *wrk, struct req *req) |
| 268 |
|
{ |
| 269 |
80 |
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC); |
| 270 |
80 |
CHECK_OBJ_NOTNULL(req, REQ_MAGIC); |
| 271 |
80 |
AZ(req->vcl); |
| 272 |
80 |
Req_AcctLogCharge(wrk->stats, req); |
| 273 |
80 |
Req_Release(req); |
| 274 |
80 |
return (0); |
| 275 |
|
} |
| 276 |
|
|
| 277 |
|
static int |
| 278 |
280 |
h2_ou_session(struct worker *wrk, struct h2_sess *h2, |
| 279 |
|
struct req *req) |
| 280 |
|
{ |
| 281 |
|
ssize_t sz; |
| 282 |
|
enum htc_status_e hs; |
| 283 |
|
struct h2_req *r2; |
| 284 |
|
|
| 285 |
280 |
if (h2_b64url_settings(h2, req)) { |
| 286 |
80 |
VSLb(h2->vsl, SLT_Debug, "H2: Bad HTTP-Settings"); |
| 287 |
80 |
return (h2_ou_rel(wrk, req)); |
| 288 |
|
} |
| 289 |
|
|
| 290 |
200 |
sz = write(h2->sess->fd, h2_resp_101, strlen(h2_resp_101)); |
| 291 |
200 |
VTCP_Assert(sz); |
| 292 |
200 |
if (sz != strlen(h2_resp_101)) { |
| 293 |
0 |
VSLb(h2->vsl, SLT_Debug, "H2: Upgrade: Error writing 101" |
| 294 |
0 |
" response: %s\n", VAS_errtxt(errno)); |
| 295 |
0 |
return (h2_ou_rel(wrk, req)); |
| 296 |
|
} |
| 297 |
|
|
| 298 |
200 |
http_Unset(req->http, H_Upgrade); |
| 299 |
200 |
http_Unset(req->http, H_HTTP2_Settings); |
| 300 |
|
|
| 301 |
|
/* Steal pipelined read-ahead, if any */ |
| 302 |
200 |
h2->htc->pipeline_b = req->htc->pipeline_b; |
| 303 |
200 |
h2->htc->pipeline_e = req->htc->pipeline_e; |
| 304 |
200 |
req->htc->pipeline_b = NULL; |
| 305 |
200 |
req->htc->pipeline_e = NULL; |
| 306 |
|
/* XXX: This call may assert on buffer overflow if the pipelined |
| 307 |
|
data exceeds the available space in the ws workspace. What to |
| 308 |
|
do about the overflowing data is an open issue. */ |
| 309 |
200 |
HTC_RxInit(h2->htc, h2->ws); |
| 310 |
|
|
| 311 |
|
/* Start req thread */ |
| 312 |
200 |
r2 = h2_new_req(h2, 1, req); |
| 313 |
200 |
AZ(h2->highest_stream); |
| 314 |
200 |
h2->highest_stream = r2->stream; |
| 315 |
200 |
req->transport = &HTTP2_transport; |
| 316 |
200 |
assert(req->req_step == R_STP_TRANSPORT); |
| 317 |
200 |
req->task->func = h2_do_req; |
| 318 |
200 |
req->task->priv = req; |
| 319 |
200 |
r2->scheduled = 1; |
| 320 |
200 |
r2->state = H2_S_CLOS_REM; // rfc7540,l,489,491 |
| 321 |
200 |
req->err_code = 0; |
| 322 |
200 |
http_SetH(req->http, HTTP_HDR_PROTO, "HTTP/2.0"); |
| 323 |
|
|
| 324 |
|
/* Wait for PRISM response */ |
| 325 |
400 |
hs = HTC_RxStuff(h2->htc, H2_prism_complete, |
| 326 |
200 |
NULL, NULL, NAN, h2->sess->t_idle + cache_param->timeout_idle, NAN, |
| 327 |
|
sizeof H2_prism); |
| 328 |
200 |
if (hs != HTC_S_COMPLETE) { |
| 329 |
40 |
VSLb(h2->vsl, SLT_Debug, "H2: No/Bad OU PRISM (hs=%d)", hs); |
| 330 |
40 |
r2->scheduled = 0; |
| 331 |
40 |
h2_del_req(wrk, r2); |
| 332 |
40 |
return (0); |
| 333 |
|
} |
| 334 |
160 |
if (Pool_Task(wrk->pool, req->task, TASK_QUEUE_REQ)) { |
| 335 |
40 |
r2->scheduled = 0; |
| 336 |
40 |
h2_del_req(wrk, r2); |
| 337 |
40 |
VSLb(h2->vsl, SLT_Debug, "H2: No Worker-threads"); |
| 338 |
40 |
return (0); |
| 339 |
|
} |
| 340 |
120 |
return (1); |
| 341 |
280 |
} |
| 342 |
|
|
| 343 |
|
/********************************************************************** |
| 344 |
|
*/ |
| 345 |
|
|
| 346 |
|
#define H2_PU_MARKER 1 |
| 347 |
|
#define H2_OU_MARKER 2 |
| 348 |
|
|
| 349 |
|
void |
| 350 |
5880 |
H2_PU_Sess(struct worker *wrk, struct sess *sp, struct req *req) |
| 351 |
|
{ |
| 352 |
5880 |
VSL(SLT_Debug, sp->vxid, "H2 Prior Knowledge Upgrade"); |
| 353 |
5880 |
req->err_code = H2_PU_MARKER; |
| 354 |
5880 |
SES_SetTransport(wrk, sp, req, &HTTP2_transport); |
| 355 |
5880 |
} |
| 356 |
|
|
| 357 |
|
void |
| 358 |
280 |
H2_OU_Sess(struct worker *wrk, struct sess *sp, struct req *req) |
| 359 |
|
{ |
| 360 |
280 |
VSL(SLT_Debug, sp->vxid, "H2 Optimistic Upgrade"); |
| 361 |
280 |
req->err_code = H2_OU_MARKER; |
| 362 |
280 |
SES_SetTransport(wrk, sp, req, &HTTP2_transport); |
| 363 |
280 |
} |
| 364 |
|
|
| 365 |
|
static void v_matchproto_(task_func_t) |
| 366 |
6160 |
h2_new_session(struct worker *wrk, void *arg) |
| 367 |
|
{ |
| 368 |
|
struct req *req; |
| 369 |
|
struct sess *sp; |
| 370 |
|
struct h2_sess h2s; |
| 371 |
|
struct h2_sess *h2; |
| 372 |
|
struct h2_req *r2, *r22; |
| 373 |
|
int again; |
| 374 |
|
uint8_t settings[48]; |
| 375 |
|
struct h2h_decode decode; |
| 376 |
|
size_t l; |
| 377 |
|
|
| 378 |
6160 |
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC); |
| 379 |
6160 |
CAST_OBJ_NOTNULL(req, arg, REQ_MAGIC); |
| 380 |
6160 |
sp = req->sp; |
| 381 |
6160 |
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC); |
| 382 |
|
|
| 383 |
6160 |
if (wrk->wpriv->vcl) |
| 384 |
978 |
VCL_Rel(&wrk->wpriv->vcl); |
| 385 |
|
|
| 386 |
6160 |
assert(req->transport == &HTTP2_transport); |
| 387 |
|
|
| 388 |
6160 |
assert (req->err_code == H2_PU_MARKER || req->err_code == H2_OU_MARKER); |
| 389 |
|
|
| 390 |
12320 |
h2 = h2_init_sess(sp, &h2s, |
| 391 |
6160 |
req->err_code == H2_PU_MARKER ? req : NULL, &decode); |
| 392 |
6160 |
h2->req0 = h2_new_req(h2, 0, NULL); |
| 393 |
6160 |
AZ(h2->htc->priv); |
| 394 |
6160 |
h2->htc->priv = h2; |
| 395 |
|
|
| 396 |
6160 |
AZ(wrk->vsl); |
| 397 |
6160 |
wrk->vsl = h2->vsl; |
| 398 |
|
|
| 399 |
6160 |
if (req->err_code == H2_OU_MARKER && !h2_ou_session(wrk, h2, req)) { |
| 400 |
160 |
assert(h2->refcnt == 1); |
| 401 |
160 |
h2_del_req(wrk, h2->req0); |
| 402 |
160 |
h2_del_sess(wrk, h2, SC_RX_JUNK); |
| 403 |
160 |
wrk->vsl = NULL; |
| 404 |
160 |
return; |
| 405 |
|
} |
| 406 |
6000 |
assert(HTC_S_COMPLETE == H2_prism_complete(h2->htc)); |
| 407 |
6000 |
HTC_RxPipeline(h2->htc, h2->htc->rxbuf_b + sizeof(H2_prism)); |
| 408 |
6000 |
HTC_RxInit(h2->htc, h2->ws); |
| 409 |
6000 |
AN(WS_Reservation(h2->ws)); |
| 410 |
6000 |
VSLb(h2->vsl, SLT_Debug, "H2: Got pu PRISM"); |
| 411 |
|
|
| 412 |
6000 |
THR_SetRequest(h2->srq); |
| 413 |
6000 |
AN(WS_Reservation(h2->ws)); |
| 414 |
|
|
| 415 |
6000 |
l = h2_enc_settings(&h2->local_settings, settings, sizeof (settings)); |
| 416 |
6000 |
AN(WS_Reservation(h2->ws)); |
| 417 |
6000 |
H2_Send_Get(wrk, h2, h2->req0); |
| 418 |
6000 |
AN(WS_Reservation(h2->ws)); |
| 419 |
12000 |
H2_Send_Frame(wrk, h2, |
| 420 |
6000 |
H2_F_SETTINGS, H2FF_NONE, l, 0, settings); |
| 421 |
6000 |
AN(WS_Reservation(h2->ws)); |
| 422 |
6000 |
H2_Send_Rel(h2, h2->req0); |
| 423 |
6000 |
AN(WS_Reservation(h2->ws)); |
| 424 |
|
|
| 425 |
|
/* and off we go... */ |
| 426 |
6000 |
h2->cond = &wrk->cond; |
| 427 |
|
|
| 428 |
43704 |
while (h2_rxframe(wrk, h2)) { |
| 429 |
37704 |
HTC_RxInit(h2->htc, h2->ws); |
| 430 |
37704 |
if (WS_Overflowed(h2->ws)) { |
| 431 |
0 |
H2S_Lock_VSLb(h2, SLT_SessError, "H2: Empty Rx Workspace"); |
| 432 |
0 |
h2->error = H2CE_INTERNAL_ERROR; |
| 433 |
0 |
break; |
| 434 |
|
} |
| 435 |
37704 |
AN(WS_Reservation(h2->ws)); |
| 436 |
|
} |
| 437 |
|
|
| 438 |
6000 |
assert(!WS_IsReserved(h2->ws)); |
| 439 |
6000 |
AN(h2->error); |
| 440 |
|
|
| 441 |
|
/* Delete all idle streams */ |
| 442 |
6000 |
Lck_Lock(&h2->sess->mtx); |
| 443 |
6000 |
VSLb(h2->vsl, SLT_Debug, "H2 CLEANUP %s", h2->error->name); |
| 444 |
16464 |
VTAILQ_FOREACH(r2, &h2->streams, list) { |
| 445 |
10464 |
if (r2->error == 0) |
| 446 |
9861 |
r2->error = h2->error; |
| 447 |
10464 |
if (r2->cond != NULL) |
| 448 |
167 |
PTOK(pthread_cond_signal(r2->cond)); |
| 449 |
10464 |
} |
| 450 |
6000 |
PTOK(pthread_cond_broadcast(h2->winupd_cond)); |
| 451 |
6000 |
Lck_Unlock(&h2->sess->mtx); |
| 452 |
10633 |
while (1) { |
| 453 |
10633 |
again = 0; |
| 454 |
27609 |
VTAILQ_FOREACH_SAFE(r2, &h2->streams, list, r22) { |
| 455 |
16976 |
if (r2 != h2->req0) { |
| 456 |
6390 |
h2_kill_req(wrk, h2, r2, h2->error); |
| 457 |
6390 |
again++; |
| 458 |
6390 |
} |
| 459 |
16976 |
} |
| 460 |
10633 |
if (!again) |
| 461 |
6000 |
break; |
| 462 |
4633 |
Lck_Lock(&h2->sess->mtx); |
| 463 |
11152 |
VTAILQ_FOREACH(r2, &h2->streams, list) |
| 464 |
13038 |
VSLb(h2->vsl, SLT_Debug, "ST %u %d", |
| 465 |
6519 |
r2->stream, r2->state); |
| 466 |
4633 |
(void)Lck_CondWaitTimeout(h2->cond, &h2->sess->mtx, .1); |
| 467 |
4633 |
Lck_Unlock(&h2->sess->mtx); |
| 468 |
|
} |
| 469 |
6000 |
h2->cond = NULL; |
| 470 |
6000 |
assert(h2->refcnt == 1); |
| 471 |
6000 |
h2_del_req(wrk, h2->req0); |
| 472 |
6000 |
h2_del_sess(wrk, h2, h2->error->reason); |
| 473 |
6000 |
wrk->vsl = NULL; |
| 474 |
6160 |
} |
| 475 |
|
|
| 476 |
|
static int v_matchproto_(vtr_poll_f) |
| 477 |
18757 |
h2_poll(struct req *req) |
| 478 |
|
{ |
| 479 |
|
struct h2_req *r2; |
| 480 |
|
|
| 481 |
18757 |
CHECK_OBJ_NOTNULL(req, REQ_MAGIC); |
| 482 |
18757 |
CAST_OBJ_NOTNULL(r2, req->transport_priv, H2_REQ_MAGIC); |
| 483 |
18757 |
return (r2->error ? -1 : 1); |
| 484 |
|
} |
| 485 |
|
|
| 486 |
|
struct transport HTTP2_transport = { |
| 487 |
|
.name = "HTTP/2", |
| 488 |
|
.magic = TRANSPORT_MAGIC, |
| 489 |
|
.deliver = h2_deliver, |
| 490 |
|
.minimal_response = h2_minimal_response, |
| 491 |
|
.new_session = h2_new_session, |
| 492 |
|
.req_body = h2_req_body, |
| 493 |
|
.req_fail = h2_req_fail, |
| 494 |
|
.sess_panic = h2_sess_panic, |
| 495 |
|
.poll = h2_poll, |
| 496 |
|
}; |