1 /* 2 * Copyright (c) 2015, 2021, Oracle and/or its affiliates. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License, version 2.0, 6 * as published by the Free Software Foundation. 7 * 8 * This program is also distributed with certain software (including 9 * but not limited to OpenSSL) that is licensed under separate terms, 10 * as designated in a particular file or component or in included license 11 * documentation. The authors of MySQL hereby grant you an additional 12 * permission to link the program and your derivative works with the 13 * separately licensed software that they have included with MySQL. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License, version 2.0, for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 23 * 02110-1301 USA 24 */ 25 26 #ifndef NGS_SOCKET_EVENTS_H_ 27 #define NGS_SOCKET_EVENTS_H_ 28 29 #include <vector> 30 #include "ngs/socket_events_interface.h" 31 32 struct event_base; 33 34 namespace ngs { 35 36 class Socket_events: public Socket_events_interface { 37 public: 38 #ifdef _WIN32 39 // mimick evutil_socket_t in libevent-2.x 40 typedef intptr_t socket_type; 41 #else 42 typedef int socket_type; 43 #endif 44 Socket_events(); 45 ~Socket_events(); 46 47 bool listen(Socket_interface::Shared_ptr s, ngs::function<void (Connection_acceptor_interface &)> callback); 48 49 void add_timer(const std::size_t delay_ms, ngs::function<bool ()> callback); 50 void loop(); 51 void break_loop(); 52 53 private: 54 static void timeout_call(socket_type sock, short which, void *arg); 55 static void socket_data_avaiable(socket_type sock, short which, void *arg); 56 57 struct Timer_data; 58 struct Socket_data; 59 struct event_base *m_evbase; 60 std::vector<Socket_data *> m_socket_events; 61 std::vector<Timer_data*> m_timer_events; 62 Mutex m_timers_mutex; 63 }; 64 65 } // namespace ngs 66 67 #endif // NGS_SOCKET_EVENTS_H_ 68