--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/lte/model/lte-asn1-header.h Thu Nov 29 17:18:51 2012 +0100
@@ -0,0 +1,139 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2012 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Lluis Parcerisa <lparcerisa@cttc.cat>
+ */
+
+#ifndef ASN1_HEADER_H
+#define ASN1_HEADER_H
+
+#include "ns3/header.h"
+
+#include <bitset>
+#include <string>
+
+#include "ns3/lte-rrc-sap.h"
+
+namespace ns3 {
+
+/**
+ * This class has the purpose to encode Information Elements according
+ * to ASN.1 syntax, as defined in ITU-T X-691.
+ * IMPORTANT: The encoding is done following the UNALIGNED variant.
+ */
+class Asn1Header : public Header
+{
+public:
+ Asn1Header ();
+ virtual ~Asn1Header ();
+
+ static TypeId GetTypeId (void);
+ virtual TypeId GetInstanceTypeId (void) const;
+ uint32_t GetSerializedSize (void) const;
+ void Serialize (Buffer::Iterator bIterator) const;
+
+ // Pure virtual methods, implemented in child classes
+ virtual void PreSerialize (void) const = 0;
+ virtual uint32_t Deserialize (Buffer::Iterator bIterator) = 0;
+ virtual void Print (std::ostream &os) const = 0;
+
+protected:
+ mutable uint8_t m_serializationPendingBits;
+ mutable uint8_t m_numSerializationPendingBits;
+ mutable bool m_isDataSerialized;
+ mutable Buffer m_serializationResult;
+
+ // Function to write in m_serializationResult, after resizing its size
+ void WriteOctet (uint8_t octet) const;
+
+ // Serialization functions
+ void SerializeBoolean (bool value) const;
+ void SerializeInteger (int n, int nmin, int nmax) const;
+ void SerializeOctetstring (std::string s) const;
+ void SerializeSequenceOf (int numElems, int nMax, int nMin) const;
+ void SerializeChoice (int numOptions, int selectedOption) const;
+ void SerializeEnum (int numElems, int selectedElem) const;
+ void SerializeNull () const;
+ void FinalizeSerialization () const;
+
+ template <int N>
+ void SerializeBitset (std::bitset<N> data) const;
+
+ template <int N>
+ void SerializeSequence (std::bitset<N> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+ void SerializeSequence (std::bitset<0> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+ void SerializeSequence (std::bitset<1> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+ void SerializeSequence (std::bitset<2> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+ void SerializeSequence (std::bitset<3> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+ void SerializeSequence (std::bitset<4> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+ void SerializeSequence (std::bitset<5> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+ void SerializeSequence (std::bitset<6> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+ void SerializeSequence (std::bitset<9> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+ void SerializeSequence (std::bitset<10> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+ void SerializeSequence (std::bitset<11> optionalOrDefaultMask, bool isExtensionMarkerPresent) const;
+
+ template <int N>
+ void SerializeBitstring (std::bitset<N> bitstring) const;
+ void SerializeBitstring (std::bitset<1> bitstring) const;
+ void SerializeBitstring (std::bitset<8> bitstring) const;
+ void SerializeBitstring (std::bitset<10> bitstring) const;
+ void SerializeBitstring (std::bitset<16> bitstring) const;
+ void SerializeBitstring (std::bitset<27> bitstring) const;
+ void SerializeBitstring (std::bitset<28> bitstring) const;
+ void SerializeBitstring (std::bitset<32> bitstring) const;
+
+ // Deserialization functions
+ template <int N>
+ Buffer::Iterator DeserializeBitset (std::bitset<N> *data, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeBitset (std::bitset<8> *data, Buffer::Iterator bIterator);
+
+ Buffer::Iterator DeserializeBoolean (bool *value, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeInteger (int *n, int nmin, int nmax, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeChoice (int numOptions, int *selectedOption, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeEnum (int numElems, int *selectedElem, Buffer::Iterator bIterator);
+
+ template <int N>
+ Buffer::Iterator DeserializeSequence (std::bitset<N> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequence (std::bitset<0> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequence (std::bitset<1> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequence (std::bitset<2> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequence (std::bitset<3> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequence (std::bitset<4> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequence (std::bitset<5> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequence (std::bitset<6> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequence (std::bitset<9> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequence (std::bitset<10> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequence (std::bitset<11> *optionalOrDefaultMask, bool isExtensionMarkerPresent, Buffer::Iterator bIterator);
+
+ template <int N>
+ Buffer::Iterator DeserializeBitstring (std::bitset<N> *bitstring, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeBitstring (std::bitset<1> *bitstring, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeBitstring (std::bitset<8> *bitstring, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeBitstring (std::bitset<10> *bitstring, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeBitstring (std::bitset<16> *bitstring, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeBitstring (std::bitset<27> *bitstring, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeBitstring (std::bitset<28> *bitstring, Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeBitstring (std::bitset<32> *bitstring, Buffer::Iterator bIterator);
+
+ Buffer::Iterator DeserializeNull (Buffer::Iterator bIterator);
+ Buffer::Iterator DeserializeSequenceOf (int *numElems, int nMax, int nMin, Buffer::Iterator bIterator);
+};
+
+} // namespace ns3
+
+#endif // EPC_ASN1_HEADER_H
+