Baptiste Assmann | 5d4e4f7 | 2015-04-13 23:08:16 +0200 | [diff] [blame] | 1 | /* |
| 2 | * include/types/proto_udp.h |
| 3 | * This file provides structures and types for UDP protocol. |
| 4 | * |
| 5 | * Copyright (C) 2014 Baptiste Assmann <bedis9@gmail.com> |
| 6 | * |
| 7 | * This library is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation, version 2.1 |
| 10 | * exclusively. |
| 11 | * |
| 12 | * This library is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with this library; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #ifndef _TYPES_PROTO_UDP_H |
| 23 | #define _TYPES_PROTO_UDP_H |
| 24 | |
| 25 | #include <arpa/inet.h> |
| 26 | |
| 27 | /* |
| 28 | * datagram related structure |
| 29 | */ |
| 30 | struct dgram_conn { |
| 31 | const struct dgram_data_cb *data; /* data layer callbacks. Must be set before */ |
| 32 | void *owner; /* pointer to upper layer's entity */ |
| 33 | union { /* definitions which depend on connection type */ |
| 34 | struct { /*** information used by socket-based dgram ***/ |
| 35 | int fd; /* file descriptor */ |
| 36 | } sock; |
| 37 | } t; |
| 38 | struct { |
| 39 | struct sockaddr_storage from; /* client address, or address to spoof when connecting to the server */ |
| 40 | struct sockaddr_storage to; /* address reached by the client, or address to connect to */ |
| 41 | } addr; /* addresses of the remote side, client for producer and server for consumer */ |
| 42 | }; |
| 43 | |
| 44 | /* |
| 45 | * datagram callback structure |
| 46 | */ |
| 47 | struct dgram_data_cb { |
| 48 | void (*recv)(struct dgram_conn *dgram); /* recv callback */ |
| 49 | void (*send)(struct dgram_conn *dgram); /* send callback */ |
| 50 | }; |
| 51 | |
| 52 | #endif /* _TYPES_PROTO_UDP_H */ |