103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
/*
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* uhub - A tiny ADC p2p connection hub
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* Copyright (C) 2007-2014, Jan Vidar Krey
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#ifndef HAVE_UHUB_NETWORK_BACKEND_H
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#define HAVE_UHUB_NETWORK_BACKEND_H
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struct net_backend;
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struct net_backend_common;
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struct net_backend_handler;
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struct net_cleanup_handler;
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struct net_connection;
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typedef void (*net_connection_cb)(struct net_connection*, int event, void* ptr);
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typedef struct net_backend* (*net_backend_init_t)(struct net_backend_handler* handler, struct net_backend_common* common);
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typedef int (*net_backend_poll)(struct net_backend*, int ms);
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typedef void (*net_backend_proc)(struct net_backend*, int res);
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typedef void (*net_backend_destroy)(struct net_backend*);
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typedef struct net_connection* (*net_con_backend_create)(struct net_backend*);
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typedef void (*net_con_backend_init)(struct net_backend*, struct net_connection*, int sd, net_connection_cb callback, const void* ptr);
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typedef void (*net_con_backend_add)(struct net_backend*, struct net_connection*, int mask);
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typedef void (*net_con_backend_mod)(struct net_backend*, struct net_connection*, int mask);
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typedef void (*net_con_backend_del)(struct net_backend*,struct net_connection*);
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typedef const char* (*net_con_backend_name)();
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struct net_backend_handler
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{
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net_con_backend_name backend_name;
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net_backend_poll backend_poll;
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net_backend_proc backend_process;
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net_backend_destroy backend_shutdown;
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net_con_backend_create con_create;
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net_con_backend_init con_init;
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net_con_backend_add con_add;
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net_con_backend_mod con_mod;
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net_con_backend_del con_del;
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};
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struct net_backend_common
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{
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size_t num; /* number of connections monitored by the backend */
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size_t max; /* max number of connections that can be monitored */
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};
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/**
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* Initialize the network backend.
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* Returns 1 on success, or 0 on failure.
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*/
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extern int net_backend_init();
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/**
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* Shutdown the network connection backend.
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*/
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extern void net_backend_shutdown();
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/**
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* Process the network backend.
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*/
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extern int net_backend_process();
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/**
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* Update the event mask.
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*
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* @param con Connection handle.
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* @param events Event mask (NET_EVENT_*)
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*/
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extern void net_backend_update(struct net_connection* con, int events);
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/**
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* Get the current time.
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*/
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time_t net_get_time();
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extern struct timeout_queue* net_backend_get_timeout_queue();
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struct net_cleanup_handler* net_cleanup_initialize(size_t max);
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void net_cleanup_shutdown(struct net_cleanup_handler* handler);
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void net_cleanup_delayed_free(struct net_cleanup_handler* handler, struct net_connection* con);
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void net_cleanup_process(struct net_cleanup_handler* handler);
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#endif /* HAVE_UHUB_NETWORK_BACKEND_H */
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