nun mach' ich erst einmal Urlaub....

[senf.git] / Packets / MPEGDVBBundle / SNDUPacket.cc

diff --git a/Packets/MPEGDVBBundle/SNDUPacket.cc b/Packets/MPEGDVBBundle/SNDUPacket.cc
index 2e52a84..582a2d4 100644 (file)
--- a/Packets/MPEGDVBBundle/SNDUPacket.cc
+++ b/Packets/MPEGDVBBundle/SNDUPacket.cc
@@ -1,9 +1,9 @@
-// $Id: DSMCCSection.cc 350 2007-07-25 08:26:41Z g0dil $
+// $Id$
 //
 // Copyright (C) 2007
 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
-//     Stefan Bund <stefan.bund@fokus.fraunhofer.de>
+//     Thorsten Horstmann <thorsten.horstmann@fokus.fraunhofer.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
@@ -28,6 +28,9 @@
 
 // Custom includes
 #include <iomanip>
+#include "Utils/hexdump.hh"
+#include "Packets/DefaultBundle/EthernetPacket.hh"
+
 
 #define prefix_
 ///////////////////////////////cc.p////////////////////////////////////////
@@ -47,9 +50,61 @@ prefix_ senf::PacketParserBase::size_type senf::Parse_SNDUPacket::bytes()
         return 2 + 2 + 4 + 6;  // + 6 Byte NPA destination address
 }
 
+prefix_ boost::uint32_t senf::Parse_SNDUPacket::calcCrc()
+    const
+{
+    return std::for_each(
+            data().begin(), 
+            boost::prior(data().end(), 4), 
+            ule_crc32() ).checksum();
+}
+
+//prefix_ senf::SNDUPacketType::registry_key_t senf::SNDUPacketType::nextPacketKey(packet p)
+//{
+//    return p->type(); 
+//}
+
+prefix_ void senf::SNDUPacketType::init(packet p)
+{
+    p->init();
+}
+
+prefix_ senf::PacketInterpreterBase::factory_t senf::SNDUPacketType::nextPacketType(packet p)
+{
+    if (p.data().size() < 8)
+        return no_factory();
+    PkReg_Entry const * e;
+    if (p->type() < 1536)
+        e = PacketRegistry<senf::ULEExtHeaderTypes>::lookup( p->type(), nothrow );
+    else
+        e = PacketRegistry<senf::EtherTypes>::lookup( p->type(), nothrow );
+    return e ? e->factory() : no_factory();
+}
+
+prefix_ senf::PacketInterpreterBase::optional_range 
+senf::SNDUPacketType::nextPacketRange(packet p) 
+{
+    if (p.data().size() < 8)
+        return no_range();
+    
+    size_type sz = 2 + 2;  // D-Bit + 15 bits length + 16 bits type field
+    if (! p->d_bit() )
+        sz += 6;  // + 6 Byte NPA destination address
+    return range(
+            boost::next(p.data().begin(), sz),
+            boost::prior(p.data().end(), 4));  // - 32 bits crc
+}
+
 prefix_ void senf::SNDUPacketType::dump(packet p, std::ostream & os)
 {
-    os << "SNDUPacket:\n";
+    os << "SNDUPacket:\n"
+       << std::dec
+       << "  d_bit: " << p->d_bit() << "\n"
+       << "  length: " << unsigned(p->length()) << "\n"
+       << std::hex
+       << "  type: 0x" << unsigned(p->type()) << "\n"
+       << std::dec
+       << "  crc: " << unsigned(p->crc()) << "\n";
 }
 
 prefix_ senf::PacketParserBase::size_type senf::SNDUPacketType::initSize()