00001 /**************************************************************** 00002 * Vidalia is distributed under the following license: 00003 * 00004 * Copyright (C) 2006, Matt Edman, Justin Hipple 00005 * 00006 * This program is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU General Public License 00008 * as published by the Free Software Foundation; either version 2 00009 * of the License, or (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 ****************************************************************/ 00021 00022 /** 00023 * \file net.h 00024 * \version $Id: net.h 1238 2006-09-25 17:50:57Z edmanm $ 00025 * \brief Common network I/O and utility functions 00026 */ 00027 00028 #ifndef _NET_H 00029 #define _NET_H 00030 00031 #include <QHostAddress> 00032 00033 /** Returns the local machine's IP address. */ 00034 QHostAddress net_local_address(); 00035 00036 /** Returns true if the given address is a private IP. */ 00037 bool net_is_private_address(QHostAddress addr); 00038 00039 /** Returns true if the given IP address is a valid IPv4 address. */ 00040 bool net_is_valid_ip(QString ip); 00041 00042 /** Tries to determine this machine's external IP. */ 00043 bool net_get_public_ip(QString &ip); 00044 00045 /** Attempts a connection to <b>host</b> on <b>port</b>. Returns true if the 00046 * connection was successful, or false if the connection attempt failed. */ 00047 bool net_test_connect(QHostAddress host, quint16 port, int timeout = 250); 00048 00049 #endif 00050