Fix Build-Depends in debian/control
[senf.git] / Socket / Protocols / Raw / PacketSocketHandle.cc
index d0f8e5a..f24e0b1 100644 (file)
@@ -1,9 +1,9 @@
 // $Id$
 //
 // Copyright (C) 2006
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
-//     Stefan Bund <stefan.bund@fokus.fraunhofer.de>
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+//     Stefan Bund <g0dil@berlios.de>
 //
 // This program is free software; you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -21,7 +21,7 @@
 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 /** \file
-    \brief PacketProtocol and PacketSocketHandle non-inline non-template implementation
+    \brief PacketSocketProtocol and PacketSocketHandle non-inline non-template implementation
  */
 
 #include "PacketSocketHandle.hh"
@@ -40,7 +40,7 @@
 #define prefix_
 ///////////////////////////////cc.p////////////////////////////////////////
 
-prefix_ void senf::PacketProtocol::init_client(SocketType type, int protocol)
+prefix_ void senf::PacketSocketProtocol::init_client(SocketType type, int protocol)
     const
 {
     int socktype = SOCK_RAW;
@@ -50,28 +50,22 @@ prefix_ void senf::PacketProtocol::init_client(SocketType type, int protocol)
         protocol = ETH_P_ALL;
     int sock = ::socket(PF_PACKET, socktype, htons(protocol));
     if (sock < 0)
-        throwErrno();
+        SENF_THROW_SYSTEM_EXCEPTION("::socket(...) failed.");
     fd(sock);
 }
 
-prefix_ std::auto_ptr<senf::SocketProtocol> senf::PacketProtocol::clone()
-    const
-{
-    return std::auto_ptr<SocketProtocol>(new PacketProtocol());
-}
-
-prefix_ unsigned senf::PacketProtocol::available()
+prefix_ unsigned senf::PacketSocketProtocol::available()
     const
 {
     if (! fh().readable())
         return 0;
     ssize_t l = ::recv(fd(),0,0,MSG_PEEK | MSG_TRUNC);
     if (l < 0)
-        throwErrno();
+        SENF_THROW_SYSTEM_EXCEPTION("::recv(socket_fd) failed.");
     return l;
 }
 
-prefix_ bool senf::PacketProtocol::eof()
+prefix_ bool senf::PacketSocketProtocol::eof()
     const
 {
     return false;
@@ -82,32 +76,47 @@ namespace {
     void do_mc(int fd, std::string const & interface, senf::MACAddress address, bool add)
     {
         struct packet_mreq mreq;
+        ::memset(&mreq, 0, sizeof(mreq));
         mreq.mr_ifindex = ::if_nametoindex(interface.c_str());
         if (mreq.mr_ifindex == 0)
-            senf::throwErrno(EINVAL);
+            throw senf::SystemException(EINVAL);
         mreq.mr_type = PACKET_MR_MULTICAST;
         mreq.mr_alen = 6;
         std::copy(address.begin(), address.end(), &mreq.mr_address[0]);
         if (::setsockopt(fd, SOL_PACKET,
-                         add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
-                         &mreq, sizeof(mreq)) < 0)
-            senf::throwErrno();
+                        add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
+                        &mreq, sizeof(mreq)) < 0)
+            throw senf::SystemException();
     }
-
 }
 
-prefix_ void senf::PacketProtocol::mcAdd(std::string const & interface,
+prefix_ void senf::PacketSocketProtocol::mcAdd(std::string const & interface,
                                          MACAddress const & address)
     const
 {
-    do_mc(fd(),interface,address,true);
+    do_mc(fd(), interface, address, true);
 }
 
-prefix_ void senf::PacketProtocol::mcDrop(std::string const & interface,
+prefix_ void senf::PacketSocketProtocol::mcDrop(std::string const & interface,
                                           MACAddress const & address)
     const
 {
-    do_mc(fd(),interface,address,false);
+    do_mc(fd(), interface, address, false);
+}
+
+prefix_ void senf::PacketSocketProtocol::promisc(std::string const & interface, bool mode)
+    const
+{
+    struct packet_mreq mreq;
+    ::memset(&mreq, 0, sizeof(mreq));
+    mreq.mr_ifindex = ::if_nametoindex(interface.c_str());
+    if (mreq.mr_ifindex == 0)
+        throw senf::SystemException(EINVAL);
+    mreq.mr_type = PACKET_MR_PROMISC;
+    if (::setsockopt(fd(), SOL_PACKET,
+                     mode ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
+                     &mreq, sizeof(mreq)) < 0)
+        throw senf::SystemException();
 }
 
 ///////////////////////////////cc.e////////////////////////////////////////