104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
/*
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* nghttp2 - HTTP/2 C 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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#ifndef SHRPX_CONNECTION_HANDLER_H
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#define SHRPX_CONNECTION_HANDLER_H
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#include "shrpx.h"
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <memory>
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#include <vector>
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#include <openssl/ssl.h>
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#include <ev.h>
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#include "shrpx_downstream_connection_pool.h"
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namespace shrpx {
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class Http2Session;
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class ConnectBlocker;
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class AcceptHandler;
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class Worker;
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struct WorkerStat;
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struct TicketKeys;
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// TODO should be renamed as ConnectionHandler
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class ConnectionHandler {
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public:
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ConnectionHandler(struct ev_loop *loop);
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~ConnectionHandler();
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int handle_connection(int fd, sockaddr *addr, int addrlen);
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// Creates Worker object for single threaded configuration.
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void create_single_worker();
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// Creates |num| Worker objects for multi threaded configuration.
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// The |num| must be strictly more than 1.
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void create_worker_thread(size_t num);
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void worker_reopen_log_files();
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void worker_renew_ticket_keys(const std::shared_ptr<TicketKeys> &ticket_keys);
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void set_ticket_keys(std::shared_ptr<TicketKeys> ticket_keys);
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const std::shared_ptr<TicketKeys> &get_ticket_keys() const;
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struct ev_loop *get_loop() const;
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Worker *get_single_worker() const;
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void set_acceptor(std::unique_ptr<AcceptHandler> h);
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AcceptHandler *get_acceptor() const;
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void set_acceptor6(std::unique_ptr<AcceptHandler> h);
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AcceptHandler *get_acceptor6() const;
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void enable_acceptor();
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void disable_acceptor();
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void disable_acceptor_temporary(ev_tstamp t);
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void accept_pending_connection();
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void graceful_shutdown_worker();
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void set_graceful_shutdown(bool f);
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bool get_graceful_shutdown() const;
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void join_worker();
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private:
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// Worker instances when multi threaded mode (-nN, N >= 2) is used.
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std::vector<std::unique_ptr<Worker>> workers_;
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// Worker instance used when single threaded mode (-n1) is used.
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// Otherwise, nullptr and workers_ has instances of Worker instead.
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std::unique_ptr<Worker> single_worker_;
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// Current TLS session ticket keys. Note that TLS connection does
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// not refer to this field directly. They use TicketKeys object in
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// Worker object.
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std::shared_ptr<TicketKeys> ticket_keys_;
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struct ev_loop *loop_;
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// acceptor for IPv4 address or UNIX domain socket.
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std::unique_ptr<AcceptHandler> acceptor_;
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// acceptor for IPv6 address
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std::unique_ptr<AcceptHandler> acceptor6_;
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ev_timer disable_acceptor_timer_;
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unsigned int worker_round_robin_cnt_;
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bool graceful_shutdown_;
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};
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} // namespace shrpx
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#endif // SHRPX_CONNECTION_HANDLER_H
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