mcproxy/mcproxy/include/proxy/igmp_sender.hpp

00001 /*
00002  * This file is part of mcproxy.
00003  *
00004  * mcproxy is free software; you can redistribute it and/or modify
00005  * it under the terms of the GNU Lesser General Public License as published by
00006  * the Free Software Foundation; either version 3 of the License, or (at your
00007  * option) any later version.
00008  *
00009  * mcproxy is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
00011  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
00012  * License for more details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public License
00015  * along with mcproxy; see the file COPYING.LESSER.
00016  *
00017  * written by Sebastian Woelke, in cooperation with:
00018  * INET group, Hamburg University of Applied Sciences,
00019  * Website: http://mcproxy.realmv6.org/
00020  */
00021
00027 #ifndef IGMP_SENDER_HPP
00028 #define IGMP_SENDER_HPP
00029 
00030 #include "include/proxy/sender.hpp"
00031
00035 class igmp_sender : public sender{
00036 private:
00037      enum msg_type { //for intern type handling
00038           GENERAL_QUERY, GROUP_SPECIFIC_QUERY
00039      };
00040
00041      bool create_mc_query(msg_type type, unsigned char* buf,const addr_storage* g_addr=NULL);
00042      int get_msg_min_size();
00043      bool choose_if(int if_index);
00044 public:
00048     igmp_sender();
00049
00050     bool init(int addr_family, int version);
00051
00052     bool send_general_query(int if_index);
00053     bool send_group_specific_query(int if_index, const addr_storage& g_addr);
00054     bool send_report(int if_index, const addr_storage& g_addr);
00055     bool send_leave(int if_index, const addr_storage& g_addr);
00056 };
00057
00058 #endif // IGMP_SENDER_HPP
00059