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()
80 prefix_ void senf::PacketProtocol::promisc(std::string interface, PromiscMode mode)
83 /** \bug There are some failures here ... need to investigate */
85 // The interface is really stupid: as far as i understand, it is possible to
86 // enable PROMISC and ALLMULTI seperately, however PROMISC is really a superset
87 // of ALLMULTI ... grmpf ... therefore we allways set/reset both to implement sane
90 struct packet_mreq mreq;
91 mreq.mr_ifindex = ::if_nametoindex(interface.c_str());
92 if (mreq.mr_ifindex == 0)
93 throw SystemException(EINVAL);
96 mreq.mr_type = PACKET_MR_PROMISC;
97 int command = mode == Promiscuous ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP;
98 if (::setsockopt(body().fd(),SOL_PACKET,command,&mreq,sizeof(mreq)) < 0)
99 throw SystemException(errno);
101 mreq.mr_type = PACKET_MR_ALLMULTI;
102 command = mode == AllMulticast ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP;
103 if (::setsockopt(body().fd(),SOL_PACKET,command,&mreq,sizeof(mreq)) < 0)
104 throw SystemException(errno);
107 prefix_ void senf::PacketProtocol::do_mc_i(std::string interface,
108 detail::LLAddressCopier const & copier, bool add)
111 struct packet_mreq mreq;
112 mreq.mr_ifindex = ::if_nametoindex(interface.c_str());
113 if (mreq.mr_ifindex == 0)
114 throw SystemException(EINVAL);
115 mreq.mr_type = PACKET_MR_MULTICAST;
116 mreq.mr_alen = copier(&mreq.mr_address[0]);
117 if (::setsockopt(body().fd(),SOL_PACKET,
118 add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
119 &mreq, sizeof(mreq)) < 0)
120 throw SystemException(errno);
123 ///////////////////////////////cc.e////////////////////////////////////////
125 //#include "PacketSocketHandle.mpp"
131 // c-file-style: "senf"
132 // indent-tabs-mode: nil
133 // ispell-local-dictionary: "american"