Added RawPDU class. Removed payload member from TCP and UDP. They're not represented by RawPDUs.

src/rawpdu.cpp

@@ -0,0 +1,40 @@
+/*
+ * libtins is a net packet wrapper library for crafting and 
+ * interpreting sniffed packets.
+ * 
+ * Copyright (C) 2011 Nasel
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <cassert>
+#include <cstring>
+#include "rawpdu.h"
+#include <iostream>
+
+
+Tins::RawPDU::RawPDU(uint8_t *payload, uint32_t size) : PDU(255), _payload(payload), _payload_size(size) {
+    
+}
+
+uint32_t Tins::RawPDU::header_size() const {
+    return _payload_size;
+}
+
+void Tins::RawPDU::write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *) {
+    assert(total_sz >= _payload_size);
+    std::memcpy(buffer, _payload, _payload_size);
+}
+