| Benny Prijono | b681a2f | 2007-03-25 18:44:51 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C)2003-2007 Benny Prijono <benny@prijono.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #ifndef __PJ_IP_ROUTE_H__ |
| 20 | #define __PJ_IP_ROUTE_H__ |
| 21 | |
| 22 | /** |
| 23 | * @file ip_helper.h |
| 24 | * @brief IP helper API |
| 25 | */ |
| 26 | |
| 27 | #include <pj/sock.h> |
| 28 | |
| 29 | PJ_BEGIN_DECL |
| 30 | |
| 31 | /** |
| 32 | * @defgroup pj_ip_helper IP Interface and Routing Helper |
| 33 | * @ingroup PJ_IO |
| 34 | * @{ |
| 35 | * |
| 36 | * This module provides functions to query local host's IP interface and |
| 37 | * routing table. |
| 38 | */ |
| 39 | |
| 40 | /** |
| 41 | * This structure describes IP routing entry. |
| 42 | */ |
| 43 | typedef union pj_ip_route_entry |
| 44 | { |
| 45 | /** IP routing entry for IP version 4 routing */ |
| 46 | struct |
| 47 | { |
| 48 | pj_in_addr if_addr; /**< Local interface IP address. */ |
| 49 | pj_in_addr dst_addr; /**< Destination IP address. */ |
| 50 | pj_in_addr mask; /**< Destination mask. */ |
| 51 | } ipv4; |
| 52 | } pj_ip_route_entry; |
| 53 | |
| 54 | |
| 55 | /** |
| 56 | * Enumerate the local IP interface currently active in the host. |
| 57 | * |
| 58 | * @param count On input, specify the number of entries. On output, |
| 59 | * it will be filled with the actual number of entries. |
| 60 | * @param ifs Array of IP addresses. |
| 61 | * |
| 62 | * @return PJ_SUCCESS on success, or the appropriate error code. |
| 63 | */ |
| 64 | PJ_DECL(pj_status_t) pj_enum_ip_interface(unsigned *count, |
| 65 | pj_in_addr ifs[]); |
| 66 | |
| 67 | |
| 68 | /** |
| 69 | * Enumerate the IP routing table for this host. |
| 70 | * |
| 71 | * @param count On input, specify the number of routes entries. On output, |
| 72 | * it will be filled with the actual number of route entries. |
| 73 | * @param routes Array of IP routing entries. |
| 74 | * |
| 75 | * @return PJ_SUCCESS on success, or the appropriate error code. |
| 76 | */ |
| 77 | PJ_DECL(pj_status_t) pj_enum_ip_route(unsigned *count, |
| 78 | pj_ip_route_entry routes[]); |
| 79 | |
| 80 | |
| 81 | |
| 82 | /** @} */ |
| 83 | |
| 84 | PJ_END_DECL |
| 85 | |
| 86 | |
| 87 | #endif /* __PJ_IP_ROUTE_H__ */ |
| 88 | |