first prototype for the new Ethernet LLC/SNAP Packet

[senf.git] / Packets / DefaultBundle / EthernetPacket.cc

diff --git a/Packets/DefaultBundle/EthernetPacket.cc b/Packets/DefaultBundle/EthernetPacket.cc
index aef7dca..eced314 100644 (file)
--- a/Packets/DefaultBundle/EthernetPacket.cc
+++ b/Packets/DefaultBundle/EthernetPacket.cc
@@ -20,14 +20,15 @@
 // Free Software Foundation, Inc.,
 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-// Definition of non-inline non-template functions
+/** \file
+    \brief EthernetPacket non-inline non-template implementation */
 
 #include "EthernetPacket.hh"
 //#include "EthernetPacket.ih"
 
 // Custom includes
 #include <iomanip>
-#include <boost/format.hpp>
+#include <boost/io/ios_state.hpp>
 
 #define prefix_
 ///////////////////////////////cc.p////////////////////////////////////////
@@ -37,71 +38,84 @@ namespace {
         registerEthVLanPacket(0x8100);
 }
 
-prefix_ void senf::EthernetPacket::v_nextInterpreter()
-    const
+///////////////////////////////////////////////////////////////////////////
+// senf::EthernetPacketType
+
+prefix_ void senf::EthernetPacketType::dump(packet p, std::ostream & os)
 {
-    /** \todo Add LLC/SNAP support -> only use the registry
-        for type() values >=1536, otherwise expect an LLC header */
-    registerInterpreter(type(),begin()+bytes(),end());
+    boost::io::ios_all_saver ias(os);
+    if (p->type_length() <= 1500)
+        os << "Ethernet 802.3";
+    else if (p->type_length() >= 0x600)
+        os << "Ethernet II (DIX)";
+    else
+        os << "Ethernet 802.3 (bad ethertype >1500 and <1536)";
+    os << ": \n"
+       << "  destination : " << p->destination() << "\n"
+       << "  source      : " << p->source() << "\n"
+       << "  type/length : 0x" 
+       << std::hex << std::setw(4) << std::setfill('0') << p->type_length() << "\n";
 }
 
-namespace {
-
-    void dumpmac(std::ostream & os, senf::EthernetPacket::Parse_MAC mac)
-    {
-        for (unsigned i = 0; i < 6; ++i) {
-            if (i > 0)
-                os << ':';
-            os << std::hex << std::setw(2) << std::setfill('0')
-               << unsigned(mac[i]);
-        }
+prefix_ senf::PacketInterpreterBase::factory_t senf::EthernetPacketType::nextPacketType(packet p)
+{
+    if (p->type_length() >= 1536) {
+        PkReg_Entry const * e;
+        e = PacketRegistry<senf::EtherTypes>::lookup( p->type_length(), nothrow );
+        return e ? e->factory() : no_factory();
     }
-
+    if (p->type_length() <= 1500)
+        return EthLlcSnapPacket::factory();
+    return no_factory();
 }
 
-prefix_ void senf::EthernetPacket::v_dump(std::ostream & os)
-    const
+prefix_ void senf::EthernetPacketType::finalize(packet p)
 {
-    if (type() <= 1500)
-        os << "Ethernet 802.3";
-    else if (type() >= 0x600)
-        os << "Ethernet II (DIX)";
+    optional_registry_key_t k = key(p.next());
+    if (k)
+        p->type_length() << k;
     else
-        os << "Ethernet 802.3 (bad ethertype >1500 and <1536)";
-    os << ": \n"
-       << "  destination   : ";
-    dumpmac(os,destination());
-    os << "\n"
-       << "  source        : ";
-    dumpmac(os,source());
-    os << "\n"
-       << "  ethertype     : " << std::hex << std::setw(4) << std::setfill('0')
-       << unsigned(type()) << "\n" << std::dec;
+        if (p.next().is<EthLlcSnapPacket>())
+            p->type_length() << p.next().data().size();
+        else
+            p->type_length() << 0;
 }
 
-prefix_ void senf::EthernetPacket::v_finalize()
-{}
+prefix_ void senf::EthVLanPacketType::dump(packet p, std::ostream & os)
+{
+    boost::io::ios_all_saver ias(os);
+    os << "Ethernet 802.1q (VLAN):\n"
+       << "  priority      : " << p->priority() << "\n"
+       << "  cfi           : " << p->cfi() << "\n"
+       << "  vlan-ID       : " << p->vlanId() << "\n"
+       << "  ethertype     : 0x" 
+       << std::hex << std::setw(4) << std::setfill('0') << p->type() << "\n";
+}
 
-prefix_ void senf::EthVLanPacket::v_nextInterpreter()
-    const
+prefix_ void senf::EthVLanPacketType::finalize(packet p)
 {
-    /** \todo Add LLC/SNAP support (see above) */
-    registerInterpreter(type(),begin()+bytes(),end());
+    p->type() << key(p.next());
 }
 
-prefix_ void senf::EthVLanPacket::v_finalize()
-{}
+prefix_ void senf::EthLlcSnapPacketType::dump(packet p, std::ostream & os)
+{
+    boost::io::ios_all_saver ias(os);
+    os << "Ethernet LLC/SNAP"
+       << "  LLC\n"
+       << "    DSAP: " << p->dsap() << "\n"
+       << "    SSAP: " << p->ssap() << "\n"
+       << "  SNAP\n"
+       << "    ProtocolId: " << p->protocolId() << "\n"
+       << "    type      : 0x" 
+       << std::hex << std::setw(4) << std::setfill('0') << p->type() << "\n";
+}
 
-prefix_ void senf::EthVLanPacket::v_dump(std::ostream & os)
-    const
+prefix_ void senf::EthLlcSnapPacketType::finalize(packet p)
 {
-    os << "Ethernet 802.1q (VLAN):\n"
-       << "  priority      : " << priority() << "\n"
-       << "  cfi           : " << cfi() << "\n"
-       << "  vlan-ID       : " << vlanId() << "\n"
-       << "  ethertype     : " << boost::format("%04x") % type() << "\n";
+    p->type() << key(p.next());
 }
 
+
 ///////////////////////////////cc.e////////////////////////////////////////
 #undef prefix_