2 * nghttp2 - HTTP/2 C Library
4 * Copyright (c) 2012 Tatsuhiro Tsujikawa
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 #include "shrpx_connection_handler.h"
29 #endif // HAVE_UNISTD_H
30 #include <sys/types.h>
37 #include "shrpx_client_handler.h"
38 #include "shrpx_tls.h"
39 #include "shrpx_worker.h"
40 #include "shrpx_config.h"
41 #include "shrpx_http2_session.h"
42 #include "shrpx_connect_blocker.h"
43 #include "shrpx_downstream_connection.h"
44 #include "shrpx_accept_handler.h"
45 #include "shrpx_memcached_dispatcher.h"
46 #include "shrpx_signal.h"
47 #include "shrpx_log.h"
51 using namespace nghttp2;
56 void acceptor_disable_cb(struct ev_loop *loop, ev_timer *w, int revent) {
57 auto h = static_cast<ConnectionHandler *>(w->data);
59 // If we are in graceful shutdown period, we must not enable
61 if (h->get_graceful_shutdown()) {
70 void ocsp_cb(struct ev_loop *loop, ev_timer *w, int revent) {
71 auto h = static_cast<ConnectionHandler *>(w->data);
73 // If we are in graceful shutdown period, we won't do ocsp query.
74 if (h->get_graceful_shutdown()) {
78 LOG(NOTICE) << "Start ocsp update";
80 h->proceed_next_cert_ocsp();
85 void ocsp_read_cb(struct ev_loop *loop, ev_io *w, int revent) {
86 auto h = static_cast<ConnectionHandler *>(w->data);
93 void ocsp_chld_cb(struct ev_loop *loop, ev_child *w, int revent) {
94 auto h = static_cast<ConnectionHandler *>(w->data);
96 h->handle_ocsp_complete();
101 void thread_join_async_cb(struct ev_loop *loop, ev_async *w, int revent) {
107 void serial_event_async_cb(struct ev_loop *loop, ev_async *w, int revent) {
108 auto h = static_cast<ConnectionHandler *>(w->data);
110 h->handle_serial_event();
114 ConnectionHandler::ConnectionHandler(struct ev_loop *loop, std::mt19937 &gen)
116 single_worker_(nullptr),
118 #ifdef HAVE_NEVERBLEED
120 #endif // HAVE_NEVERBLEED
121 tls_ticket_key_memcached_get_retry_count_(0),
122 tls_ticket_key_memcached_fail_count_(0),
123 worker_round_robin_cnt_(get_config()->api.enabled ? 1 : 0),
124 graceful_shutdown_(false),
125 enable_acceptor_on_ocsp_completion_(false) {
126 ev_timer_init(&disable_acceptor_timer_, acceptor_disable_cb, 0., 0.);
127 disable_acceptor_timer_.data = this;
129 ev_timer_init(&ocsp_timer_, ocsp_cb, 0., 0.);
130 ocsp_timer_.data = this;
132 ev_io_init(&ocsp_.rev, ocsp_read_cb, -1, EV_READ);
133 ocsp_.rev.data = this;
135 ev_async_init(&thread_join_asyncev_, thread_join_async_cb);
137 ev_async_init(&serial_event_asyncev_, serial_event_async_cb);
138 serial_event_asyncev_.data = this;
140 ev_async_start(loop_, &serial_event_asyncev_);
142 ev_child_init(&ocsp_.chldev, ocsp_chld_cb, 0, 0);
143 ocsp_.chldev.data = this;
151 ConnectionHandler::~ConnectionHandler() {
152 ev_child_stop(loop_, &ocsp_.chldev);
153 ev_async_stop(loop_, &serial_event_asyncev_);
154 ev_async_stop(loop_, &thread_join_asyncev_);
155 ev_io_stop(loop_, &ocsp_.rev);
156 ev_timer_stop(loop_, &ocsp_timer_);
157 ev_timer_stop(loop_, &disable_acceptor_timer_);
159 for (auto ssl_ctx : all_ssl_ctx_) {
161 static_cast<tls::TLSContextData *>(SSL_CTX_get_app_data(ssl_ctx));
163 SSL_CTX_free(ssl_ctx);
166 // Free workers before destroying ev_loop
169 for (auto loop : worker_loops_) {
170 ev_loop_destroy(loop);
174 void ConnectionHandler::set_ticket_keys_to_worker(
175 const std::shared_ptr<TicketKeys> &ticket_keys) {
176 for (auto &worker : workers_) {
177 worker->set_ticket_keys(ticket_keys);
181 void ConnectionHandler::worker_reopen_log_files() {
184 wev.type = WorkerEventType::REOPEN_LOG;
186 for (auto &worker : workers_) {
191 void ConnectionHandler::worker_replace_downstream(
192 std::shared_ptr<DownstreamConfig> downstreamconf) {
195 wev.type = WorkerEventType::REPLACE_DOWNSTREAM;
196 wev.downstreamconf = std::move(downstreamconf);
198 for (auto &worker : workers_) {
203 int ConnectionHandler::create_single_worker() {
204 cert_tree_ = tls::create_cert_lookup_tree();
205 auto sv_ssl_ctx = tls::setup_server_ssl_context(
206 all_ssl_ctx_, indexed_ssl_ctx_, cert_tree_.get()
207 #ifdef HAVE_NEVERBLEED
210 #endif // HAVE_NEVERBLEED
212 auto cl_ssl_ctx = tls::setup_downstream_client_ssl_context(
213 #ifdef HAVE_NEVERBLEED
215 #endif // HAVE_NEVERBLEED
219 all_ssl_ctx_.push_back(cl_ssl_ctx);
222 auto config = get_config();
223 auto &tlsconf = config->tls;
225 SSL_CTX *session_cache_ssl_ctx = nullptr;
227 auto &memcachedconf = config->tls.session_cache.memcached;
228 if (memcachedconf.tls) {
229 session_cache_ssl_ctx = tls::create_ssl_client_context(
230 #ifdef HAVE_NEVERBLEED
232 #endif // HAVE_NEVERBLEED
233 tlsconf.cacert, memcachedconf.cert_file,
234 memcachedconf.private_key_file, nullptr);
235 all_ssl_ctx_.push_back(session_cache_ssl_ctx);
239 single_worker_ = std::make_unique<Worker>(
240 loop_, sv_ssl_ctx, cl_ssl_ctx, session_cache_ssl_ctx, cert_tree_.get(),
241 ticket_keys_, this, config->conn.downstream);
243 if (single_worker_->create_mruby_context() != 0) {
251 int ConnectionHandler::create_worker_thread(size_t num) {
253 assert(workers_.size() == 0);
255 cert_tree_ = tls::create_cert_lookup_tree();
256 auto sv_ssl_ctx = tls::setup_server_ssl_context(
257 all_ssl_ctx_, indexed_ssl_ctx_, cert_tree_.get()
258 # ifdef HAVE_NEVERBLEED
261 # endif // HAVE_NEVERBLEED
263 auto cl_ssl_ctx = tls::setup_downstream_client_ssl_context(
264 # ifdef HAVE_NEVERBLEED
266 # endif // HAVE_NEVERBLEED
270 all_ssl_ctx_.push_back(cl_ssl_ctx);
273 auto config = get_config();
274 auto &tlsconf = config->tls;
275 auto &apiconf = config->api;
277 // We have dedicated worker for API request processing.
278 if (apiconf.enabled) {
282 SSL_CTX *session_cache_ssl_ctx = nullptr;
284 auto &memcachedconf = config->tls.session_cache.memcached;
286 if (memcachedconf.tls) {
287 session_cache_ssl_ctx = tls::create_ssl_client_context(
288 # ifdef HAVE_NEVERBLEED
290 # endif // HAVE_NEVERBLEED
291 tlsconf.cacert, memcachedconf.cert_file,
292 memcachedconf.private_key_file, nullptr);
293 all_ssl_ctx_.push_back(session_cache_ssl_ctx);
297 for (size_t i = 0; i < num; ++i) {
298 auto loop = ev_loop_new(config->ev_loop_flags);
300 auto worker = std::make_unique<Worker>(
301 loop, sv_ssl_ctx, cl_ssl_ctx, session_cache_ssl_ctx, cert_tree_.get(),
302 ticket_keys_, this, config->conn.downstream);
304 if (worker->create_mruby_context() != 0) {
307 # endif // HAVE_MRUBY
309 workers_.push_back(std::move(worker));
310 worker_loops_.push_back(loop);
312 LLOG(NOTICE, this) << "Created worker thread #" << workers_.size() - 1;
315 for (auto &worker : workers_) {
324 void ConnectionHandler::join_worker() {
328 if (LOG_ENABLED(INFO)) {
329 LLOG(INFO, this) << "Waiting for worker thread to join: n="
333 for (auto &worker : workers_) {
335 if (LOG_ENABLED(INFO)) {
336 LLOG(INFO, this) << "Thread #" << n << " joined";
343 void ConnectionHandler::graceful_shutdown_worker() {
344 if (single_worker_) {
349 wev.type = WorkerEventType::GRACEFUL_SHUTDOWN;
351 if (LOG_ENABLED(INFO)) {
352 LLOG(INFO, this) << "Sending graceful shutdown signal to worker";
355 for (auto &worker : workers_) {
360 ev_async_start(loop_, &thread_join_asyncev_);
362 thread_join_fut_ = std::async(std::launch::async, [this]() {
363 (void)reopen_log_files(get_config()->logging);
365 ev_async_send(get_loop(), &thread_join_asyncev_);
371 int ConnectionHandler::handle_connection(int fd, sockaddr *addr, int addrlen,
372 const UpstreamAddr *faddr) {
373 if (LOG_ENABLED(INFO)) {
374 LLOG(INFO, this) << "Accepted connection from "
375 << util::numeric_name(addr, addrlen) << ", fd=" << fd;
378 auto config = get_config();
380 if (single_worker_) {
381 auto &upstreamconf = config->conn.upstream;
382 if (single_worker_->get_worker_stat()->num_connections >=
383 upstreamconf.worker_connections) {
385 if (LOG_ENABLED(INFO)) {
386 LLOG(INFO, this) << "Too many connections >="
387 << upstreamconf.worker_connections;
395 tls::accept_connection(single_worker_.get(), fd, addr, addrlen, faddr);
397 LLOG(ERROR, this) << "ClientHandler creation failed";
408 if (faddr->alt_mode == UpstreamAltMode::API) {
409 worker = workers_[0].get();
411 if (LOG_ENABLED(INFO)) {
412 LOG(INFO) << "Dispatch connection to API worker #0";
415 worker = workers_[worker_round_robin_cnt_].get();
417 if (LOG_ENABLED(INFO)) {
418 LOG(INFO) << "Dispatch connection to worker #" << worker_round_robin_cnt_;
421 if (++worker_round_robin_cnt_ == workers_.size()) {
422 auto &apiconf = config->api;
424 if (apiconf.enabled) {
425 worker_round_robin_cnt_ = 1;
427 worker_round_robin_cnt_ = 0;
433 wev.type = WorkerEventType::NEW_CONNECTION;
435 memcpy(&wev.client_addr, addr, addrlen);
436 wev.client_addrlen = addrlen;
444 struct ev_loop *ConnectionHandler::get_loop() const {
448 Worker *ConnectionHandler::get_single_worker() const {
449 return single_worker_.get();
452 void ConnectionHandler::add_acceptor(std::unique_ptr<AcceptHandler> h) {
453 acceptors_.push_back(std::move(h));
456 void ConnectionHandler::delete_acceptor() { acceptors_.clear(); }
458 void ConnectionHandler::enable_acceptor() {
459 for (auto &a : acceptors_) {
464 void ConnectionHandler::disable_acceptor() {
465 for (auto &a : acceptors_) {
470 void ConnectionHandler::sleep_acceptor(ev_tstamp t) {
471 if (t == 0. || ev_is_active(&disable_acceptor_timer_)) {
477 ev_timer_set(&disable_acceptor_timer_, t, 0.);
478 ev_timer_start(loop_, &disable_acceptor_timer_);
481 void ConnectionHandler::accept_pending_connection() {
482 for (auto &a : acceptors_) {
483 a->accept_connection();
487 void ConnectionHandler::set_ticket_keys(
488 std::shared_ptr<TicketKeys> ticket_keys) {
489 ticket_keys_ = std::move(ticket_keys);
490 if (single_worker_) {
491 single_worker_->set_ticket_keys(ticket_keys_);
495 const std::shared_ptr<TicketKeys> &ConnectionHandler::get_ticket_keys() const {
499 void ConnectionHandler::set_graceful_shutdown(bool f) {
500 graceful_shutdown_ = f;
501 if (single_worker_) {
502 single_worker_->set_graceful_shutdown(f);
506 bool ConnectionHandler::get_graceful_shutdown() const {
507 return graceful_shutdown_;
510 void ConnectionHandler::cancel_ocsp_update() {
511 enable_acceptor_on_ocsp_completion_ = false;
512 ev_timer_stop(loop_, &ocsp_timer_);
514 if (ocsp_.proc.pid == 0) {
520 rv = kill(ocsp_.proc.pid, SIGTERM);
523 LOG(ERROR) << "Could not send signal to OCSP query process: errno="
527 while ((rv = waitpid(ocsp_.proc.pid, nullptr, 0)) == -1 && errno == EINTR)
531 LOG(ERROR) << "Error occurred while we were waiting for the completion of "
532 "OCSP query process: errno="
537 // inspired by h2o_read_command function from h2o project:
538 // https://github.com/h2o/h2o
539 int ConnectionHandler::start_ocsp_update(const char *cert_file) {
542 if (LOG_ENABLED(INFO)) {
543 LOG(INFO) << "Start ocsp update for " << cert_file;
546 assert(!ev_is_active(&ocsp_.rev));
547 assert(!ev_is_active(&ocsp_.chldev));
549 char *const argv[] = {
551 get_config()->tls.ocsp.fetch_ocsp_response_file.c_str()),
552 const_cast<char *>(cert_file), nullptr};
555 rv = exec_read_command(proc, argv);
562 ev_io_set(&ocsp_.rev, ocsp_.proc.rfd, EV_READ);
563 ev_io_start(loop_, &ocsp_.rev);
565 ev_child_set(&ocsp_.chldev, ocsp_.proc.pid, 0);
566 ev_child_start(loop_, &ocsp_.chldev);
571 void ConnectionHandler::read_ocsp_chunk() {
572 std::array<uint8_t, 4_k> buf;
575 while ((n = read(ocsp_.proc.rfd, buf.data(), buf.size())) == -1 &&
580 if (errno == EAGAIN || errno == EWOULDBLOCK) {
584 LOG(WARN) << "Reading from ocsp query command failed: errno=" << error;
594 std::copy_n(std::begin(buf), n, std::back_inserter(ocsp_.resp));
597 ev_io_stop(loop_, &ocsp_.rev);
600 void ConnectionHandler::handle_ocsp_complete() {
601 ev_io_stop(loop_, &ocsp_.rev);
602 ev_child_stop(loop_, &ocsp_.chldev);
604 assert(ocsp_.next < all_ssl_ctx_.size());
606 auto ssl_ctx = all_ssl_ctx_[ocsp_.next];
608 static_cast<tls::TLSContextData *>(SSL_CTX_get_app_data(ssl_ctx));
610 auto rstatus = ocsp_.chldev.rstatus;
611 auto status = WEXITSTATUS(rstatus);
612 if (ocsp_.error || !WIFEXITED(rstatus) || status != 0) {
613 LOG(WARN) << "ocsp query command for " << tls_ctx_data->cert_file
614 << " failed: error=" << ocsp_.error << ", rstatus=" << log::hex
615 << rstatus << log::dec << ", status=" << status;
617 proceed_next_cert_ocsp();
621 if (LOG_ENABLED(INFO)) {
622 LOG(INFO) << "ocsp update for " << tls_ctx_data->cert_file
623 << " finished successfully";
626 auto config = get_config();
627 auto &tlsconf = config->tls;
629 if (tlsconf.ocsp.no_verify ||
630 tls::verify_ocsp_response(ssl_ctx, ocsp_.resp.data(),
631 ocsp_.resp.size()) == 0) {
632 #ifndef OPENSSL_IS_BORINGSSL
633 # ifdef HAVE_ATOMIC_STD_SHARED_PTR
634 std::atomic_store_explicit(
635 &tls_ctx_data->ocsp_data,
636 std::make_shared<std::vector<uint8_t>>(std::move(ocsp_.resp)),
637 std::memory_order_release);
638 # else // !HAVE_ATOMIC_STD_SHARED_PTR
639 std::lock_guard<std::mutex> g(tls_ctx_data->mu);
640 tls_ctx_data->ocsp_data =
641 std::make_shared<std::vector<uint8_t>>(std::move(ocsp_.resp));
642 # endif // !HAVE_ATOMIC_STD_SHARED_PTR
643 #else // OPENSSL_IS_BORINGSSL
644 SSL_CTX_set_ocsp_response(ssl_ctx, ocsp_.resp.data(), ocsp_.resp.size());
645 #endif // OPENSSL_IS_BORINGSSL
649 proceed_next_cert_ocsp();
652 void ConnectionHandler::reset_ocsp() {
653 if (ocsp_.proc.rfd != -1) {
654 close(ocsp_.proc.rfd);
660 ocsp_.resp = std::vector<uint8_t>();
663 void ConnectionHandler::proceed_next_cert_ocsp() {
666 if (ocsp_.next == all_ssl_ctx_.size()) {
668 // We have updated all ocsp response, and schedule next update.
669 ev_timer_set(&ocsp_timer_, get_config()->tls.ocsp.update_interval, 0.);
670 ev_timer_start(loop_, &ocsp_timer_);
672 if (enable_acceptor_on_ocsp_completion_) {
673 enable_acceptor_on_ocsp_completion_ = false;
680 auto ssl_ctx = all_ssl_ctx_[ocsp_.next];
682 static_cast<tls::TLSContextData *>(SSL_CTX_get_app_data(ssl_ctx));
684 // client SSL_CTX is also included in all_ssl_ctx_, but has no
691 auto cert_file = tls_ctx_data->cert_file;
693 if (start_ocsp_update(cert_file) != 0) {
702 void ConnectionHandler::set_tls_ticket_key_memcached_dispatcher(
703 std::unique_ptr<MemcachedDispatcher> dispatcher) {
704 tls_ticket_key_memcached_dispatcher_ = std::move(dispatcher);
707 MemcachedDispatcher *
708 ConnectionHandler::get_tls_ticket_key_memcached_dispatcher() const {
709 return tls_ticket_key_memcached_dispatcher_.get();
712 // Use the similar backoff algorithm described in
713 // https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md
715 constexpr size_t MAX_BACKOFF_EXP = 10;
716 constexpr auto MULTIPLIER = 3.2;
717 constexpr auto JITTER = 0.2;
720 void ConnectionHandler::on_tls_ticket_key_network_error(ev_timer *w) {
721 if (++tls_ticket_key_memcached_get_retry_count_ >=
722 get_config()->tls.ticket.memcached.max_retry) {
723 LOG(WARN) << "Memcached: tls ticket get retry all failed "
724 << tls_ticket_key_memcached_get_retry_count_ << " times.";
726 on_tls_ticket_key_not_found(w);
730 auto base_backoff = util::int_pow(
732 std::min(MAX_BACKOFF_EXP, tls_ticket_key_memcached_get_retry_count_));
733 auto dist = std::uniform_real_distribution<>(-JITTER * base_backoff,
734 JITTER * base_backoff);
736 auto backoff = base_backoff + dist(gen_);
739 << "Memcached: tls ticket get failed due to network error, retrying in "
740 << backoff << " seconds";
742 ev_timer_set(w, backoff, 0.);
743 ev_timer_start(loop_, w);
746 void ConnectionHandler::on_tls_ticket_key_not_found(ev_timer *w) {
747 tls_ticket_key_memcached_get_retry_count_ = 0;
749 if (++tls_ticket_key_memcached_fail_count_ >=
750 get_config()->tls.ticket.memcached.max_fail) {
751 LOG(WARN) << "Memcached: could not get tls ticket; disable tls ticket";
753 tls_ticket_key_memcached_fail_count_ = 0;
755 set_ticket_keys(nullptr);
756 set_ticket_keys_to_worker(nullptr);
759 LOG(WARN) << "Memcached: tls ticket get failed, schedule next";
760 schedule_next_tls_ticket_key_memcached_get(w);
763 void ConnectionHandler::on_tls_ticket_key_get_success(
764 const std::shared_ptr<TicketKeys> &ticket_keys, ev_timer *w) {
765 LOG(NOTICE) << "Memcached: tls ticket get success";
767 tls_ticket_key_memcached_get_retry_count_ = 0;
768 tls_ticket_key_memcached_fail_count_ = 0;
770 schedule_next_tls_ticket_key_memcached_get(w);
772 if (!ticket_keys || ticket_keys->keys.empty()) {
773 LOG(WARN) << "Memcached: tls ticket keys are empty; tls ticket disabled";
774 set_ticket_keys(nullptr);
775 set_ticket_keys_to_worker(nullptr);
779 if (LOG_ENABLED(INFO)) {
780 LOG(INFO) << "ticket keys get done";
781 LOG(INFO) << 0 << " enc+dec: "
782 << util::format_hex(ticket_keys->keys[0].data.name);
783 for (size_t i = 1; i < ticket_keys->keys.size(); ++i) {
784 auto &key = ticket_keys->keys[i];
785 LOG(INFO) << i << " dec: " << util::format_hex(key.data.name);
789 set_ticket_keys(ticket_keys);
790 set_ticket_keys_to_worker(ticket_keys);
793 void ConnectionHandler::schedule_next_tls_ticket_key_memcached_get(
795 ev_timer_set(w, get_config()->tls.ticket.memcached.interval, 0.);
796 ev_timer_start(loop_, w);
799 SSL_CTX *ConnectionHandler::create_tls_ticket_key_memcached_ssl_ctx() {
800 auto config = get_config();
801 auto &tlsconf = config->tls;
802 auto &memcachedconf = config->tls.ticket.memcached;
804 auto ssl_ctx = tls::create_ssl_client_context(
805 #ifdef HAVE_NEVERBLEED
807 #endif // HAVE_NEVERBLEED
808 tlsconf.cacert, memcachedconf.cert_file, memcachedconf.private_key_file,
811 all_ssl_ctx_.push_back(ssl_ctx);
816 #ifdef HAVE_NEVERBLEED
817 void ConnectionHandler::set_neverbleed(neverbleed_t *nb) { nb_ = nb; }
818 #endif // HAVE_NEVERBLEED
820 void ConnectionHandler::handle_serial_event() {
821 std::vector<SerialEvent> q;
823 std::lock_guard<std::mutex> g(serial_event_mu_);
824 q.swap(serial_events_);
827 for (auto &sev : q) {
829 case SerialEventType::REPLACE_DOWNSTREAM:
830 // Mmake sure that none of worker uses
831 // get_config()->conn.downstream
832 mod_config()->conn.downstream = sev.downstreamconf;
834 if (single_worker_) {
835 single_worker_->replace_downstream_config(sev.downstreamconf);
840 worker_replace_downstream(sev.downstreamconf);
849 void ConnectionHandler::send_replace_downstream(
850 const std::shared_ptr<DownstreamConfig> &downstreamconf) {
852 SerialEvent(SerialEventType::REPLACE_DOWNSTREAM, downstreamconf));
855 void ConnectionHandler::send_serial_event(SerialEvent ev) {
857 std::lock_guard<std::mutex> g(serial_event_mu_);
859 serial_events_.push_back(std::move(ev));
862 ev_async_send(loop_, &serial_event_asyncev_);
865 SSL_CTX *ConnectionHandler::get_ssl_ctx(size_t idx) const {
866 return all_ssl_ctx_[idx];
869 const std::vector<SSL_CTX *> &
870 ConnectionHandler::get_indexed_ssl_ctx(size_t idx) const {
871 return indexed_ssl_ctx_[idx];
874 void ConnectionHandler::set_enable_acceptor_on_ocsp_completion(bool f) {
875 enable_acceptor_on_ocsp_completion_ = f;