4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
6 // Stefan Bund <stefan.bund@fokus.fraunhofer.de>
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.
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.
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.
24 \brief PacketProtocol and PacketSocketHandle non-inline non-template implementation
27 #include "PacketSocketHandle.hh"
28 //#include "PacketSocketHandle.ih"
31 #include <sys/types.h>
32 #include <sys/socket.h>
33 #include <netpacket/packet.h>
34 #include <net/ethernet.h>
35 #include <netinet/in.h>
39 //#include "PacketSocketHandle.mpp"
41 ///////////////////////////////cc.p////////////////////////////////////////
43 prefix_ void senf::PacketProtocol::init_client(SocketType type, int protocol)
46 int socktype = SOCK_RAW;
47 if (type == DatagramSocket)
48 socktype = SOCK_DGRAM;
51 int sock = ::socket(PF_PACKET, socktype, htons(protocol));
53 throw SystemException(errno);
57 prefix_ std::auto_ptr<senf::SocketProtocol> senf::PacketProtocol::clone()
60 return std::auto_ptr<SocketProtocol>(new PacketProtocol());
63 prefix_ unsigned senf::PacketProtocol::available()
66 if (! body().readable())
68 ssize_t l = ::recv(body().fd(),0,0,MSG_PEEK | MSG_TRUNC);
70 throw SystemException(errno);
74 prefix_ bool senf::PacketProtocol::eof()
82 void do_mc(int fd, std::string interface, senf::MACAddress address, bool add)
84 struct packet_mreq mreq;
85 mreq.mr_ifindex = ::if_nametoindex(interface.c_str());
86 if (mreq.mr_ifindex == 0)
87 throw senf::SystemException(EINVAL);
88 mreq.mr_type = PACKET_MR_MULTICAST;
90 std::copy(address.begin(), address.end(), &mreq.mr_address[0]);
91 if (::setsockopt(fd, SOL_PACKET,
92 add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
93 &mreq, sizeof(mreq)) < 0)
94 throw senf::SystemException(errno);
99 prefix_ void senf::PacketProtocol::mcAdd(std::string const & interface,
100 MACAddress const & address)
103 do_mc(body().fd(),interface,address,true);
106 prefix_ void senf::PacketProtocol::mcDrop(std::string const & interface,
107 MACAddress const & address)
110 do_mc(body().fd(),interface,address,false);
113 ///////////////////////////////cc.e////////////////////////////////////////
115 //#include "PacketSocketHandle.mpp"
121 // c-file-style: "senf"
122 // indent-tabs-mode: nil
123 // ispell-local-dictionary: "american"
124 // compile-command: "scons -u test"
125 // comment-column: 40