1 /* 2 * $Id: udp_trsp.h 1048 2008-07-15 18:48:07Z sayer $ 3 * 4 * Copyright (C) 2007 Raphael Coeffic 5 * 6 * This file is part of SEMS, a free SIP media server. 7 * 8 * SEMS is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. This program is released under 12 * the GPL with the additional exemption that compiling, linking, 13 * and/or using OpenSSL is allowed. 14 * 15 * For a license to use the SEMS software under conditions 16 * other than those described here, or to purchase support for this 17 * software, please contact iptel.org by e-mail at the following addresses: 18 * info@iptel.org 19 * 20 * SEMS is distributed in the hope that it will be useful, 21 * but WITHOUT ANY WARRANTY; without even the implied warranty of 22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 23 * GNU General Public License for more details. 24 * 25 * You should have received a copy of the GNU General Public License 26 * along with this program; if not, write to the Free Software 27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 28 */ 29 #ifndef _udp_trsp_h_ 30 #define _udp_trsp_h_ 31 32 #include "transport.h" 33 34 /** 35 * Maximum message length for UDP 36 * not including terminating '\0' 37 */ 38 #define MAX_UDP_MSGLEN 65535 39 40 #include <sys/socket.h> 41 42 #include <string> 43 using std::string; 44 45 class udp_trsp_socket: public trsp_socket 46 { 47 int sendto(const sockaddr_storage* sa, const char* msg, const int msg_len); 48 int sendmsg(const sockaddr_storage* sa, const char* msg, const int msg_len); 49 50 public: 51 udp_trsp_socket(unsigned short if_num, unsigned int opts, 52 unsigned int sys_if_idx = 0) trsp_socket(if_num,opts,sys_if_idx)53 : trsp_socket(if_num,opts,sys_if_idx) {} 54 ~udp_trsp_socket()55 ~udp_trsp_socket() {} 56 57 /** 58 * Binds the transport socket to an address 59 * @return -1 if error(s) occured. 60 */ 61 virtual int bind(const string& address, unsigned short port); 62 get_transport()63 const char* get_transport() const 64 { return "udp"; } 65 66 int set_recvbuf_size(int rcvbuf_size); 67 68 /** 69 * Sends a message. 70 * @return -1 if error(s) occured. 71 */ 72 int send(const sockaddr_storage* sa, const char* msg, 73 const int msg_len, unsigned int flags); 74 }; 75 76 class udp_trsp: public transport 77 { 78 protected: 79 /** @see AmThread */ 80 void run(); 81 /** @see AmThread */ 82 void on_stop(); 83 84 public: 85 /** @see transport */ 86 udp_trsp(udp_trsp_socket* sock); 87 ~udp_trsp(); 88 }; 89 90 #endif 91 92 /** EMACS ** 93 * Local variables: 94 * mode: c++ 95 * c-basic-offset: 4 96 * End: 97 */ 98