134 lines
4.0 KiB
C++
134 lines
4.0 KiB
C++
/*
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* Spdylay - SPDY Library
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*
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* Copyright (c) 2012 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "shrpx_listen_handler.h"
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#include <unistd.h>
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#include <pthread.h>
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#include <cerrno>
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#include <event2/bufferevent_ssl.h>
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#include "shrpx_client_handler.h"
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#include "shrpx_thread_event_receiver.h"
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#include "shrpx_ssl.h"
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#include "shrpx_worker.h"
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#include "shrpx_config.h"
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#include "shrpx_spdy_session.h"
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namespace shrpx {
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ListenHandler::ListenHandler(event_base *evbase, SSL_CTX *sv_ssl_ctx,
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SSL_CTX *cl_ssl_ctx)
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: evbase_(evbase),
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sv_ssl_ctx_(sv_ssl_ctx),
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cl_ssl_ctx_(cl_ssl_ctx),
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worker_round_robin_cnt_(0),
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workers_(0),
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num_worker_(0),
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spdy_(0)
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{}
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ListenHandler::~ListenHandler()
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{}
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void ListenHandler::create_worker_thread(size_t num)
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{
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workers_ = new WorkerInfo[num];
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num_worker_ = 0;
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for(size_t i = 0; i < num; ++i) {
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int rv;
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pthread_t thread;
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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WorkerInfo *info = &workers_[num_worker_];
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rv = socketpair(AF_UNIX, SOCK_STREAM, 0, info->sv);
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if(rv == -1) {
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LLOG(ERROR, this) << "socketpair() failed: errno=" << errno;
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continue;
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}
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info->sv_ssl_ctx = sv_ssl_ctx_;
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info->cl_ssl_ctx = cl_ssl_ctx_;
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rv = pthread_create(&thread, &attr, start_threaded_worker, info);
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if(rv != 0) {
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LLOG(ERROR, this) << "pthread_create() failed: errno=" << rv;
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for(size_t j = 0; j < 2; ++j) {
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close(info->sv[j]);
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}
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continue;
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}
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bufferevent *bev = bufferevent_socket_new(evbase_, info->sv[0],
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BEV_OPT_DEFER_CALLBACKS);
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info->bev = bev;
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if(LOG_ENABLED(INFO)) {
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LLOG(INFO, this) << "Created thread #" << num_worker_;
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}
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++num_worker_;
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}
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}
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int ListenHandler::accept_connection(evutil_socket_t fd,
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sockaddr *addr, int addrlen)
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{
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if(LOG_ENABLED(INFO)) {
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LLOG(INFO, this) << "Accepted connection. fd=" << fd;
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}
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if(num_worker_ == 0) {
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ClientHandler* client = ssl::accept_connection(evbase_, sv_ssl_ctx_,
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fd, addr, addrlen);
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client->set_spdy_session(spdy_);
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} else {
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size_t idx = worker_round_robin_cnt_ % num_worker_;
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++worker_round_robin_cnt_;
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WorkerEvent wev;
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memset(&wev, 0, sizeof(wev));
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wev.client_fd = fd;
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memcpy(&wev.client_addr, addr, addrlen);
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wev.client_addrlen = addrlen;
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evbuffer *output = bufferevent_get_output(workers_[idx].bev);
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if(evbuffer_add(output, &wev, sizeof(wev)) != 0) {
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LLOG(FATAL, this) << "evbuffer_add() failed";
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return -1;
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}
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}
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return 0;
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}
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event_base* ListenHandler::get_evbase() const
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{
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return evbase_;
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}
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int ListenHandler::create_spdy_session()
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{
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int rv;
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spdy_ = new SpdySession(evbase_, cl_ssl_ctx_);
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rv = spdy_->init_notification();
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return rv;
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}
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} // namespace shrpx
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