libevent
event2/listener.h
00001 /*
00002  * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
00003  * Copyright (c) 2007-2011 Niels Provos and Nick Mathewson
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. The name of the author may not be used to endorse or promote products
00014  *    derived from this software without specific prior written permission.
00015  *
00016  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00017  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00018  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00019  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00020  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00021  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00022  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00023  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00024  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00025  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00026  */
00027 #ifndef _EVENT2_LISTENER_H_
00028 #define _EVENT2_LISTENER_H_
00029 
00030 #ifdef __cplusplus
00031 extern "C" {
00032 #endif
00033 
00034 #include <event2/event.h>
00035 
00036 struct sockaddr;
00037 struct evconnlistener;
00038 
00048 typedef void (*evconnlistener_cb)(struct evconnlistener *, evutil_socket_t, struct sockaddr *, int socklen, void *);
00049 
00056 typedef void (*evconnlistener_errorcb)(struct evconnlistener *, void *);
00057 
00060 #define LEV_OPT_LEAVE_SOCKETS_BLOCKING  (1u<<0)
00061 
00063 #define LEV_OPT_CLOSE_ON_FREE           (1u<<1)
00064 
00065 #define LEV_OPT_CLOSE_ON_EXEC           (1u<<2)
00066 
00068 #define LEV_OPT_REUSEABLE               (1u<<3)
00069 
00071 #define LEV_OPT_THREADSAFE              (1u<<4)
00072 
00090 struct evconnlistener *evconnlistener_new(struct event_base *base,
00091     evconnlistener_cb cb, void *ptr, unsigned flags, int backlog,
00092     evutil_socket_t fd);
00108 struct evconnlistener *evconnlistener_new_bind(struct event_base *base,
00109     evconnlistener_cb cb, void *ptr, unsigned flags, int backlog,
00110     const struct sockaddr *sa, int socklen);
00114 void evconnlistener_free(struct evconnlistener *lev);
00118 int evconnlistener_enable(struct evconnlistener *lev);
00122 int evconnlistener_disable(struct evconnlistener *lev);
00123 
00125 struct event_base *evconnlistener_get_base(struct evconnlistener *lev);
00126 
00128 evutil_socket_t evconnlistener_get_fd(struct evconnlistener *lev);
00129 
00132 void evconnlistener_set_cb(struct evconnlistener *lev,
00133     evconnlistener_cb cb, void *arg);
00134 
00136 void evconnlistener_set_error_cb(struct evconnlistener *lev,
00137     evconnlistener_errorcb errorcb);
00138 
00139 #ifdef __cplusplus
00140 }
00141 #endif
00142 
00143 #endif
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