Socket/Protocols/INet/MulticastSocketProtocol.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Stefan Bund <g0dil@berlios.de>
   7 //
   8 // This program 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.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 /** \file
  24     \brief MulticastSocketProtocol non-inline non-template implementation */
  25
  26 #include "MulticastSocketProtocol.hh"
  27 //#include "MulticastSocketProtocol.ih"
  28
  29 // Custom includes
  30 #include <sys/socket.h>
  31 #include <netinet/in.h>
  32 #include <net/if.h> // for if_nametoindex
  33
  34 //#include "MulticastSocketProtocol.mpp"
  35 #define prefix_
  36 ///////////////////////////////cc.p////////////////////////////////////////
  37
  38 ///////////////////////////////////////////////////////////////////////////
  39 // senf::MulticastSocketProtocol
  40
  41 prefix_ void senf::MulticastSocketProtocol::broadcastEnabled(bool v)
  42     const
  43 {
  44     int ivalue (v);
  45     if (::setsockopt(fd(), SOL_SOCKET, SO_BROADCAST, &ivalue, sizeof(ivalue)) < 0)
  46         throw SystemException("::setsockopt(SO_BROADCAST)");
  47 }
  48
  49 prefix_ bool senf::MulticastSocketProtocol::broadcastEnabled()
  50     const
  51 {
  52     int value (0);
  53     ::socklen_t len (sizeof(value));
  54     if (::getsockopt(fd(), SOL_SOCKET, SO_BROADCAST, &value, &len) < 0)
  55         throw SystemException("::getsockopt(SO_BROADCAST)");
  56     return value;
  57 }
  58
  59 prefix_ bool senf::MulticastSocketProtocol::mcLoop()
  60     const
  61 {
  62     int value (0);
  63     socklen_t len (sizeof(value));
  64     if (::getsockopt(fd(),SOL_IP,IP_MULTICAST_LOOP,&value,&len) < 0)
  65         throw SystemException();
  66     return value;
  67 }
  68
  69 prefix_ void senf::MulticastSocketProtocol::mcLoop(bool value)
  70     const
  71 {
  72     int ivalue (value);
  73     if (::setsockopt(fd(),SOL_IP,IP_MULTICAST_LOOP,&ivalue,sizeof(ivalue)) < 0)
  74         throw SystemException();
  75 }
  76
  77 prefix_ void senf::MulticastSocketProtocol::mcIface(std::string const & iface)
  78     const
  79 {
  80     struct ip_mreqn mreqn;
  81     ::memset(&mreqn,sizeof(mreqn),0);
  82     if (!iface.empty()) {
  83         mreqn.imr_ifindex = if_nametoindex(iface.c_str());
  84         if (mreqn.imr_ifindex == 0)
  85             throw SystemException(EINVAL);
  86     }
  87     if (::setsockopt(fd(),SOL_IP,IP_MULTICAST_IF,&mreqn,sizeof(mreqn)) < 0)
  88         throw SystemException();
  89 }
  90
  91 prefix_ unsigned senf::MulticastSocketProtocol::mcTTL()
  92     const
  93 {
  94     int value (0);
  95     socklen_t len (sizeof(value));
  96     if (::getsockopt(fd(),SOL_IP,IP_MULTICAST_TTL,&value,&len) < 0)
  97         throw SystemException();
  98     return value;
  99 }
 100
 101 prefix_ void senf::MulticastSocketProtocol::mcTTL(unsigned value)
 102     const
 103 {
 104     if (::setsockopt(fd(),SOL_IP,IP_MULTICAST_TTL,&value,sizeof(value)) < 0)
 105         throw SystemException();
 106 }
 107
 108 ///////////////////////////////////////////////////////////////////////////
 109 // senf::INet4MulticastSocketProtocol
 110
 111 prefix_ void senf::INet4MulticastSocketProtocol::mcAddMembership(INet4Address const & mcAddr)
 112     const
 113 {
 114     struct ip_mreqn mreqn;
 115     mreqn.imr_multiaddr.s_addr = mcAddr.inaddr();
 116     mreqn.imr_address.s_addr = htons(INADDR_ANY);
 117     mreqn.imr_ifindex = 0;
 118     if (::setsockopt(fd(),SOL_IP,IP_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0)
 119         throw SystemException("::setsockopt(IP_ADD_MEMBERSHIP");
 120 }
 121
 122 prefix_ void senf::INet4MulticastSocketProtocol::mcAddMembership(INet4Address const & mcAddr,
 123                                                            INet4Address const & localAddr)
 124     const
 125 {
 126     struct ip_mreqn mreqn;
 127     mreqn.imr_multiaddr.s_addr = mcAddr.inaddr();
 128     mreqn.imr_address.s_addr = localAddr.inaddr();
 129     mreqn.imr_ifindex = 0;
 130     if (::setsockopt(fd(),SOL_IP,IP_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0)
 131         throw SystemException("::setsockopt(IP_ADD_MEMBERSHIP");
 132 }
 133
 134 prefix_ void senf::INet4MulticastSocketProtocol::mcAddMembership(INet4Address const & mcAddr,
 135                                                            std::string const & iface)
 136     const
 137 {
 138     struct ip_mreqn mreqn;
 139     mreqn.imr_multiaddr.s_addr = mcAddr.inaddr();
 140     mreqn.imr_address.s_addr = htons(INADDR_ANY);
 141     mreqn.imr_ifindex = if_nametoindex(iface.c_str());
 142     if (mreqn.imr_ifindex == 0)
 143         throw SystemException("::if_nametoindex()",ENOENT);
 144     if (::setsockopt(fd(),SOL_IP,IP_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0)
 145         throw SystemException("::setsockopt(IP_ADD_MEMBERSHIP");
 146 }
 147
 148 prefix_ void senf::INet4MulticastSocketProtocol::mcDropMembership(INet4Address const & mcAddr)
 149     const
 150 {
 151     struct ip_mreqn mreqn;
 152     mreqn.imr_multiaddr.s_addr = mcAddr.inaddr();
 153     mreqn.imr_address.s_addr = htons(INADDR_ANY);
 154     mreqn.imr_ifindex = 0;
 155     if (::setsockopt(fd(),SOL_IP,IP_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0)
 156         throw SystemException();
 157 }
 158
 159 prefix_ void senf::INet4MulticastSocketProtocol::mcDropMembership(INet4Address const & mcAddr,
 160                                                             INet4Address const & localAddr)
 161     const
 162 {
 163     struct ip_mreqn mreqn;
 164     mreqn.imr_multiaddr.s_addr = mcAddr.inaddr();
 165     mreqn.imr_address.s_addr = localAddr.inaddr();
 166     mreqn.imr_ifindex = 0;
 167     if (::setsockopt(fd(),SOL_IP,IP_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0)
 168         throw SystemException();
 169 }
 170
 171 prefix_ void senf::INet4MulticastSocketProtocol::mcDropMembership(INet4Address const & mcAddr,
 172                                                             std::string const & iface)
 173     const
 174 {
 175     struct ip_mreqn mreqn;
 176     mreqn.imr_multiaddr.s_addr = mcAddr.inaddr();
 177     mreqn.imr_address.s_addr = htons(INADDR_ANY);
 178     mreqn.imr_ifindex = if_nametoindex(iface.c_str());
 179     if (mreqn.imr_ifindex == 0)
 180         throw SystemException("::if_nametoindex()",ENOENT);
 181     if (::setsockopt(fd(),SOL_IP,IP_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0)
 182         throw SystemException();
 183 }
 184
 185 ///////////////////////////////////////////////////////////////////////////
 186 // senf::INet6MulticastSocketProtocol
 187
 188 prefix_ void senf::INet6MulticastSocketProtocol::mcAddMembership(INet6Address const & mcAddr)
 189     const
 190 {
 191     struct ipv6_mreq mreqn;
 192     std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr);
 193     mreqn.ipv6mr_interface = 0;
 194     if (::setsockopt(fd(),SOL_IP,IPV6_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0)
 195         throw SystemException("::setsockopt(IPV6_ADD_MEMBERSHIP");
 196 }
 197
 198 prefix_ void senf::INet6MulticastSocketProtocol::mcAddMembership(INet6Address const & mcAddr,
 199                                                            std::string const & iface)
 200 {
 201     struct ipv6_mreq mreqn;
 202     std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr);
 203     mreqn.ipv6mr_interface = if_nametoindex(iface.c_str());
 204     if (mreqn.ipv6mr_interface == 0)
 205         throw SystemException("::if_nametoindex()",ENOENT);
 206     if (::setsockopt(fd(),SOL_IP,IPV6_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0)
 207         throw SystemException("::setsockopt(IPV6_ADD_MEMBERSHIP");
 208 }
 209
 210 prefix_ void senf::INet6MulticastSocketProtocol::mcDropMembership(INet6Address const & mcAddr)
 211     const
 212 {
 213     struct ipv6_mreq mreqn;
 214     std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr);
 215     mreqn.ipv6mr_interface = 0;
 216     if (::setsockopt(fd(),SOL_IP,IPV6_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0)
 217         throw SystemException();
 218 }
 219
 220 prefix_ void
 221 senf::INet6MulticastSocketProtocol::mcDropMembership(INet6Address const & mcAddr,
 222                                                std::string const & iface)
 223     const
 224 {
 225     struct ipv6_mreq mreqn;
 226     std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr);
 227     mreqn.ipv6mr_interface = if_nametoindex(iface.c_str());
 228     if (mreqn.ipv6mr_interface == 0)
 229         throw SystemException("::if_nametoindex()",ENOENT);
 230     if (::setsockopt(fd(),SOL_IP,IPV6_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0)
 231         throw SystemException();
 232 }
 233
 234 ///////////////////////////////cc.e////////////////////////////////////////
 235 #undef prefix_
 236 //#include "MulticastSocketProtocol.mpp"
 237
 238 \f
 239 // Local Variables:
 240 // mode: c++
 241 // fill-column: 100
 242 // comment-column: 40
 243 // c-file-style: "senf"
 244 // indent-tabs-mode: nil
 245 // ispell-local-dictionary: "american"
 246 // compile-command: "scons -u test"
 247 // End: