X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Socket%2FProtocols%2FINet%2FMulticastSocketProtocol.cc;h=e37108f943388aa049f9d9a24e6dbd74e5cb36e4;hb=a1fdb7bb122f0b05be809a922d4b7ef5e125fa67;hp=535dc2fc760cadc20e16bb98bcf6f7946b8fa868;hpb=275e7f8a473a1b04516f2db9ba7cbb81e7fa53b7;p=senf.git diff --git a/Socket/Protocols/INet/MulticastSocketProtocol.cc b/Socket/Protocols/INet/MulticastSocketProtocol.cc index 535dc2f..e37108f 100644 --- a/Socket/Protocols/INet/MulticastSocketProtocol.cc +++ b/Socket/Protocols/INet/MulticastSocketProtocol.cc @@ -79,7 +79,7 @@ prefix_ void senf::MulticastSocketProtocol::mcIface(std::string const & iface) const { struct ip_mreqn mreqn; - ::memset(&mreqn,sizeof(mreqn),0); + ::memset(&mreqn, 0, sizeof(mreqn)); if (!iface.empty()) { mreqn.imr_ifindex = if_nametoindex(iface.c_str()); if (mreqn.imr_ifindex == 0) @@ -121,7 +121,7 @@ prefix_ void senf::INet4MulticastSocketProtocol::mcAddMembership(INet4Address co } prefix_ void senf::INet4MulticastSocketProtocol::mcAddMembership(INet4Address const & mcAddr, - INet4Address const & localAddr) + INet4Address const & localAddr) const { struct ip_mreqn mreqn; @@ -133,7 +133,7 @@ prefix_ void senf::INet4MulticastSocketProtocol::mcAddMembership(INet4Address co } prefix_ void senf::INet4MulticastSocketProtocol::mcAddMembership(INet4Address const & mcAddr, - std::string const & iface) + std::string const & iface) const { struct ip_mreqn mreqn; @@ -158,7 +158,7 @@ prefix_ void senf::INet4MulticastSocketProtocol::mcDropMembership(INet4Address c } prefix_ void senf::INet4MulticastSocketProtocol::mcDropMembership(INet4Address const & mcAddr, - INet4Address const & localAddr) + INet4Address const & localAddr) const { struct ip_mreqn mreqn; @@ -170,7 +170,7 @@ prefix_ void senf::INet4MulticastSocketProtocol::mcDropMembership(INet4Address c } prefix_ void senf::INet4MulticastSocketProtocol::mcDropMembership(INet4Address const & mcAddr, - std::string const & iface) + std::string const & iface) const { struct ip_mreqn mreqn; @@ -183,60 +183,196 @@ prefix_ void senf::INet4MulticastSocketProtocol::mcDropMembership(INet4Address c SENF_THROW_SYSTEM_EXCEPTION(""); } +namespace { + void mc4SSMSourceRequest(int operation, int fd, senf::INet4Address const & group, + senf::INet4Address const & source, std::string const & iface) + { + struct group_source_req req; + ::memset(&req, 0, sizeof(req)); + req.gsr_interface = if_nametoindex(iface.c_str()); + if (req.gsr_interface == 0) + throw senf::SystemException("::if_nametoindex()", ENOENT SENF_EXC_DEBUGINFO); + req.gsr_group.ss_family = AF_INET; + reinterpret_cast(req.gsr_group).sin_addr.s_addr = group.inaddr(); + req.gsr_source.ss_family = AF_INET; + reinterpret_cast(req.gsr_source).sin_addr.s_addr = source.inaddr(); + if (::setsockopt(fd, SOL_IP, MCAST_JOIN_SOURCE_GROUP, &req, sizeof(req)) < 0) + SENF_THROW_SYSTEM_EXCEPTION("::setsockopt()"); + } +} + +prefix_ void senf::INet4MulticastSocketProtocol::mcJoinSSMSource(INet4Address const & group, + INet4Address const & source, + std::string const & iface) + const +{ + mc4SSMSourceRequest(MCAST_JOIN_SOURCE_GROUP, fd(), group, source, iface); +} + +prefix_ void senf::INet4MulticastSocketProtocol::mcLeaveSSMSource(INet4Address const & group, + INet4Address const & source, + std::string const & iface) + const +{ + mc4SSMSourceRequest(MCAST_LEAVE_SOURCE_GROUP, fd(), group, source, iface); +} + /////////////////////////////////////////////////////////////////////////// // senf::INet6MulticastSocketProtocol prefix_ void senf::INet6MulticastSocketProtocol::mcAddMembership(INet6Address const & mcAddr) const { - struct ipv6_mreq mreqn; - std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr); - mreqn.ipv6mr_interface = 0; - if (::setsockopt(fd(),SOL_IPV6,IPV6_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) - SENF_THROW_SYSTEM_EXCEPTION("::setsockopt(IPV6_ADD_MEMBERSHIP"); + if (mcAddr.inet4Mapped()) { + struct ip_mreqn mreqn; + mreqn.imr_multiaddr.s_addr = mcAddr.inet4address().inaddr(); + mreqn.imr_address.s_addr = htons(INADDR_ANY); + mreqn.imr_ifindex = 0; + if (::setsockopt(fd(),SOL_IP,IP_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) + SENF_THROW_SYSTEM_EXCEPTION("::setsockopt(IP_ADD_MEMBERSHIP)"); + } + else { + struct ipv6_mreq mreqn; + std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr); + mreqn.ipv6mr_interface = 0; + if (::setsockopt(fd(),SOL_IPV6,IPV6_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) + SENF_THROW_SYSTEM_EXCEPTION("::setsockopt(IPV6_ADD_MEMBERSHIP"); + } } prefix_ void senf::INet6MulticastSocketProtocol::mcAddMembership(INet6Address const & mcAddr, - std::string const & iface) + std::string const & iface) + const { - struct ipv6_mreq mreqn; - std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr); - mreqn.ipv6mr_interface = if_nametoindex(iface.c_str()); - if (mreqn.ipv6mr_interface == 0) - throw SystemException("::if_nametoindex()",ENOENT SENF_EXC_DEBUGINFO); - if (::setsockopt(fd(),SOL_IPV6,IPV6_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) - SENF_THROW_SYSTEM_EXCEPTION("::setsockopt(IPV6_ADD_MEMBERSHIP"); + if (mcAddr.inet4Mapped()) { + struct ip_mreqn mreqn; + mreqn.imr_multiaddr.s_addr = mcAddr.inet4address().inaddr(); + mreqn.imr_address.s_addr = htons(INADDR_ANY); + mreqn.imr_ifindex = if_nametoindex(iface.c_str()); + if (mreqn.imr_ifindex == 0) + throw SystemException("::if_nametoindex()",ENOENT SENF_EXC_DEBUGINFO); + if (::setsockopt(fd(),SOL_IP,IP_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) + SENF_THROW_SYSTEM_EXCEPTION("::setsockopt(IP_ADD_MEMBERSHIP"); + } + else { + struct ipv6_mreq mreqn; + std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr); + mreqn.ipv6mr_interface = if_nametoindex(iface.c_str()); + if (mreqn.ipv6mr_interface == 0) + throw SystemException("::if_nametoindex()",ENOENT SENF_EXC_DEBUGINFO); + if (::setsockopt(fd(),SOL_IPV6,IPV6_ADD_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) + SENF_THROW_SYSTEM_EXCEPTION("::setsockopt(IPV6_ADD_MEMBERSHIP"); + } } prefix_ void senf::INet6MulticastSocketProtocol::mcDropMembership(INet6Address const & mcAddr) const { - struct ipv6_mreq mreqn; - std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr); - mreqn.ipv6mr_interface = 0; - if (::setsockopt(fd(),SOL_IPV6,IPV6_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) - SENF_THROW_SYSTEM_EXCEPTION(""); + if (mcAddr.inet4Mapped()) { + struct ip_mreqn mreqn; + mreqn.imr_multiaddr.s_addr = mcAddr.inet4address().inaddr(); + mreqn.imr_address.s_addr = htons(INADDR_ANY); + mreqn.imr_ifindex = 0; + if (::setsockopt(fd(),SOL_IP,IP_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) + SENF_THROW_SYSTEM_EXCEPTION(""); + } + else { + struct ipv6_mreq mreqn; + std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr); + mreqn.ipv6mr_interface = 0; + if (::setsockopt(fd(),SOL_IPV6,IPV6_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) + SENF_THROW_SYSTEM_EXCEPTION(""); + } } prefix_ void senf::INet6MulticastSocketProtocol::mcDropMembership(INet6Address const & mcAddr, - std::string const & iface) + std::string const & iface) const { - struct ipv6_mreq mreqn; - std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr); - mreqn.ipv6mr_interface = if_nametoindex(iface.c_str()); - if (mreqn.ipv6mr_interface == 0) - throw SystemException("::if_nametoindex()",ENOENT SENF_EXC_DEBUGINFO); - if (::setsockopt(fd(),SOL_IPV6,IPV6_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) - SENF_THROW_SYSTEM_EXCEPTION(""); + if (mcAddr.inet4Mapped()) { + struct ip_mreqn mreqn; + mreqn.imr_multiaddr.s_addr = mcAddr.inet4address().inaddr(); + mreqn.imr_address.s_addr = htons(INADDR_ANY); + mreqn.imr_ifindex = if_nametoindex(iface.c_str()); + if (mreqn.imr_ifindex == 0) + throw SystemException("::if_nametoindex()",ENOENT SENF_EXC_DEBUGINFO); + if (::setsockopt(fd(),SOL_IP,IP_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) + SENF_THROW_SYSTEM_EXCEPTION(""); + } + else { + struct ipv6_mreq mreqn; + std::copy(mcAddr.begin(), mcAddr.end(), mreqn.ipv6mr_multiaddr.s6_addr); + mreqn.ipv6mr_interface = if_nametoindex(iface.c_str()); + if (mreqn.ipv6mr_interface == 0) + throw SystemException("::if_nametoindex()",ENOENT SENF_EXC_DEBUGINFO); + if (::setsockopt(fd(),SOL_IPV6,IPV6_DROP_MEMBERSHIP,&mreqn,sizeof(mreqn)) < 0) + SENF_THROW_SYSTEM_EXCEPTION(""); + } +} + +namespace { + + void mc6SSMSourceRequest(int operation, int fd, senf::INet6Address const & group, + senf::INet6Address const & source, int ifacei) + { + struct group_source_req req; + ::memset(&req, 0, sizeof(req)); + req.gsr_interface = ifacei; + req.gsr_group.ss_family = AF_INET6; + std::copy(group.begin(), group.end(), + reinterpret_cast(req.gsr_group).sin6_addr.s6_addr); + req.gsr_source.ss_family = AF_INET6; + std::copy(source.begin(), source.end(), + reinterpret_cast(req.gsr_source).sin6_addr.s6_addr); + if (::setsockopt(fd, SOL_IPV6, MCAST_JOIN_SOURCE_GROUP, &req, sizeof(req)) < 0) + SENF_THROW_SYSTEM_EXCEPTION("::setsockopt()"); + } + + void mc6SSMSourceRequest(int operation, int fd, senf::INet6Address const & group, + senf::INet6Address const & source, std::string const & iface) + { + int ifacei (0); + if (! iface.empty()) { + ifacei = if_nametoindex(iface.c_str()); + if (ifacei == 0) + throw senf::SystemException("::if_nametoindex()", ENOENT SENF_EXC_DEBUGINFO); + } + mc6SSMSourceRequest(operation, fd, group, source, ifacei); + } + +} + +prefix_ void senf::INet6MulticastSocketProtocol::mcJoinSSMSource(INet6Address const & group, + INet6Address const & source, + std::string const & iface) + const +{ + mc6SSMSourceRequest(MCAST_JOIN_SOURCE_GROUP, fd(), group, source, iface); +} + +prefix_ void senf::INet6MulticastSocketProtocol::mcJoinSSMSource(INet6Address const & group, + INet6Address const & source, + int ifacei) + const +{ + mc6SSMSourceRequest(MCAST_JOIN_SOURCE_GROUP, fd(), group, source, ifacei); } +prefix_ void senf::INet6MulticastSocketProtocol::mcLeaveSSMSource(INet6Address const & group, + INet6Address const & source, + std::string const & iface) + const +{ + mc6SSMSourceRequest(MCAST_LEAVE_SOURCE_GROUP, fd(), group, source, iface); +} + + ///////////////////////////////cc.e//////////////////////////////////////// #undef prefix_ //#include "MulticastSocketProtocol.mpp" - + // Local Variables: // mode: c++ // fill-column: 100