From da4a77ff094a0dc74414ec1de2cac08e8b7b60f4 Mon Sep 17 00:00:00 2001 From: haller Date: Thu, 17 Nov 2005 11:10:17 +0000 Subject: Importation brut du code récupérable de robert --- i/marvin/src/socket/address.cc | 93 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 i/marvin/src/socket/address.cc (limited to 'i/marvin/src/socket/address.cc') diff --git a/i/marvin/src/socket/address.cc b/i/marvin/src/socket/address.cc new file mode 100644 index 0000000..4567e2e --- /dev/null +++ b/i/marvin/src/socket/address.cc @@ -0,0 +1,93 @@ +// address.cc +// robert - programme du robot 2005. {{{ +// +// Copyright (C) 2005 Dufour Jérémy +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +// Contact : +// Web: %WEB% +// Email: +// }}} +#include "address.hh" + +#include +#include + +/// Constructeur par défaut. +Address::Address (void) + : port_ (0) +{ + resolv (); +} + +/// Constructeur avec le port (serveur) +Address::Address (const int port) + : port_ (port) +{ + resolv (); +} +/// Constructeur avec hôte et port. +Address::Address (const std::string &host, const int port) + : host_ (host), port_ (port) +{ + resolv (); +} + +/// Constructeur à partir de la strcuture d'adresse. +Address::Address (const sockaddr *sa, socklen_t sl) +{ + // On vérifie que c'est vraiment un struct sockaddr_in + if (sl != sizeof (sockaddr_in)) + throw std::invalid_argument ("Invalide Adresse"); + sa_ = * reinterpret_cast (sa); +} + +/// Résolution de la structure d'adresse depuis l'hôte/port +void +Address::resolv (void) +{ + // Cas du serveur, pas d'hôte + if (host_.empty ()) + sa_.sin_addr.s_addr = htonl (INADDR_ANY); + else + { + // Convertion de l'hôte en structure adresse + if (!inet_pton (AF_INET, host_.c_str (), &sa_.sin_addr)) + { + hostent *host_info = gethostbyname (host_.c_str ()); + if (!host_info) + throw std::runtime_error (host_ + " : Hôte inconnue"); + } + } + sa_.sin_family = AF_INET; + // Convertion pour le passage sur le réseau + sa_.sin_port = htons (port_); +} + +/// Résolution de l'hôte/port depuis la structure d'adresse +void +Address::unresolv (void) +{ + hostent *host_info; + // Recherche de l'hôte + host_info = gethostbyaddr (reinterpret_cast (&(sa_.sin_addr)), sizeof sa_.sin_addr, AF_INET); + if (!host_info) + host_ = inet_ntoa (sa_.sin_addr); + else + host_ = host_info->h_name; + // Recherche du port + port_ = ntohs (sa_.sin_port); +} -- cgit v1.2.3