-// Copyright (C) 2007
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
+// $Id$
+//
+// Copyright (C) 2007
+// 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
///////////////////////////////////////////////////////////////////////////
// senf::PacketParserBase
+// public members
+
prefix_ senf::PacketParserBase::data_iterator senf::PacketParserBase::i()
const
{
return i_;
}
-prefix_ senf::PacketParserBase::state_type senf::PacketParserBase::state()
+// private members
+
+prefix_ senf::PacketParserBase::data_iterator senf::PacketParserBase::end()
const
{
- return data_;
+ return data_->end();
}
-prefix_ senf::PacketData & senf::PacketParserBase::data()
+// protected members
+
+prefix_ bool senf::PacketParserBase::check(size_type size)
const
{
- return * data_;
+ return size <= size_type(std::distance(i(),end()));
}
-prefix_ void senf::PacketParserBase::init()
- const
-{}
-
-////////////////////////////////////////
-// protected members
+prefix_ void senf::PacketParserBase::validate(size_type size)
+ const
+{
+ if (! check(size))
+ throw TruncatedPacketException();
+}
prefix_ senf::PacketParserBase::PacketParserBase(data_iterator i, state_type s)
: i_ (i), data_ (s)
validate(size);
}
-prefix_ bool senf::PacketParserBase::check(size_type size)
+// public members
+
+prefix_ senf::PacketParserBase::data_iterator senf::PacketParserBase::i(size_type offset)
+ const
{
- return size <= size_type(std::distance(i(),end()));
+ validate(offset);
+ return boost::next(i_, offset);
}
-prefix_ void senf::PacketParserBase::validate(size_type size)
+prefix_ senf::PacketParserBase::state_type senf::PacketParserBase::state()
+ const
{
- if (! check(size))
- throw TruncatedPacketException();
+ return data_;
}
-////////////////////////////////////////
-// private members
+prefix_ senf::PacketData & senf::PacketParserBase::data()
+ const
+{
+ return * data_;
+}
-prefix_ senf::PacketParserBase::data_iterator senf::PacketParserBase::end()
+prefix_ void senf::PacketParserBase::init()
+ const
+{}
+
+prefix_ void senf::PacketParserBase::defaultInit()
+ const
+{}
+
+prefix_ senf::Packet senf::PacketParserBase::packet()
+ const
{
- return data_->end();
+ // OUCH ... I hate this but for some awkward packet types, access to the packet
+ // from the parser is really needed (e.g. UDP when building the pseudo-header
+ // for calculating the checksum).
+ return Packet(PacketInterpreterBase::ptr(static_cast<PacketInterpreterBase*>(&data())));
}
///////////////////////////////cci.e///////////////////////////////////////