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Unified Diff: src/nist/model/nist-lte-rlc-am-header.h

Issue 326890043: Public Safety Communication modeling tools based on ns-3
Patch Set: Created 6 years, 8 months ago
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Index: src/nist/model/nist-lte-rlc-am-header.h
===================================================================
new file mode 100644
--- /dev/null
+++ b/src/nist/model/nist-lte-rlc-am-header.h
@@ -0,0 +1,169 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 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: Manuel Requena <manuel.requena@cttc.es>
+ */
+
+#ifndef NIST_LTE_RLC_AM_HEADER_H
+#define NIST_LTE_RLC_AM_HEADER_H
+
+#include "ns3/header.h"
+#include "ns3/nist-lte-rlc-sequence-number.h"
+
+#include <list>
+
+namespace ns3 {
+
+/**
+ * \ingroup lte
+ * \brief The packet header for the AM Radio Link Control (RLC) protocol packets
+ *
+ * This class has fields corresponding to those in an RLC header as well as
+ * methods for serialization to and deserialization from a byte buffer.
+ * It follows 3GPP TS 36.322 Radio Link Control (RLC) protocol specification.
+ */
+class NistLteRlcAmHeader : public Header
+{
+public:
+
+ /**
+ * \brief Constructor
+ *
+ * Creates a null header
+ */
+ NistLteRlcAmHeader ();
+ ~NistLteRlcAmHeader ();
+
+ void SetDataPdu (void);
+ void SetControlPdu (uint8_t controlPduType);
+ bool IsDataPdu (void) const;
+ bool IsControlPdu (void) const;
+
+ typedef enum {
+ CONTROL_PDU = 0,
+ DATA_PDU = 1
+ } DataControlPdu_t;
+
+ typedef enum {
+ STATUS_PDU = 000,
+ } ControPduType_t;
+
+ //
+ // DATA PDU
+ //
+
+ void SetSequenceNumber (NistSequenceNumber10 sequenceNumber);
+ NistSequenceNumber10 GetSequenceNumber () const;
+
+ void SetFramingInfo (uint8_t framingInfo);
+ uint8_t GetFramingInfo () const;
+
+ typedef enum {
+ FIRST_BYTE = 0x00,
+ NO_FIRST_BYTE = 0x02
+ } FramingInfoFirstByte_t;
+
+ typedef enum {
+ LAST_BYTE = 0x00,
+ NO_LAST_BYTE = 0x01
+ } FramingInfoLastByte_t;
+
+ void PushExtensionBit (uint8_t extensionBit);
+ void PushLengthIndicator (uint16_t lengthIndicator);
+
+ uint8_t PopExtensionBit (void);
+ uint16_t PopLengthIndicator (void);
+
+ typedef enum {
+ DATA_FIELD_FOLLOWS = 0,
+ E_LI_FIELDS_FOLLOWS = 1
+ } ExtensionBit_t;
+
+ void SetResegmentationFlag (uint8_t resegFlag);
+ uint8_t GetResegmentationFlag () const;
+
+ typedef enum {
+ PDU = 0,
+ SEGMENT = 1
+ } ResegmentationFlag_t;
+
+ void SetPollingBit (uint8_t pollingBit);
+ uint8_t GetPollingBit () const;
+
+ typedef enum {
+ STATUS_REPORT_NOT_REQUESTED = 0,
+ STATUS_REPORT_IS_REQUESTED = 1
+ } PollingBit_t;
+
+ void SetLastSegmentFlag (uint8_t lsf);
+ uint8_t GetLastSegmentFlag () const;
+
+ typedef enum {
+ NO_LAST_PDU_SEGMENT = 0,
+ LAST_PDU_SEGMENT = 1
+ } LastSegmentFlag_t;
+
+ void SetSegmentOffset (uint16_t segmentOffset);
+ uint16_t GetSegmentOffset () const;
+ uint16_t GetLastOffset () const;
+
+ //
+ // CONTROL PDU
+ //
+
+ void SetAckSn (NistSequenceNumber10 ackSn);
+ NistSequenceNumber10 GetAckSn () const;
+
+
+ static TypeId GetTypeId (void);
+ virtual TypeId GetInstanceTypeId (void) const;
+ virtual void Print (std::ostream &os) const;
+ virtual uint32_t GetSerializedSize (void) const;
+ virtual void Serialize (Buffer::Iterator start) const;
+ virtual uint32_t Deserialize (Buffer::Iterator start);
+
+private:
+ uint16_t m_headerLength;
+ uint8_t m_dataControlBit;
+
+ // Data PDU fields
+ uint8_t m_resegmentationFlag;
+ uint8_t m_pollingBit;
+ uint8_t m_framingInfo; // 2 bits
+ NistSequenceNumber10 m_sequenceNumber;
+ uint8_t m_lastSegmentFlag;
+ uint16_t m_segmentOffset;
+ uint16_t m_lastOffset;
+
+ std::list <uint8_t> m_extensionBits; // Includes extensionBit of the fixed part
+ std::list <uint16_t> m_lengthIndicators;
+
+ // Control PDU fields
+ uint8_t m_controlPduType;
+
+ // NistStatus PDU fields
+ NistSequenceNumber10 m_ackSn;
+ NistSequenceNumber10 m_nackSn;
+
+ std::list <uint8_t> m_extensionBits1; // Includes E1 after ACK_SN
+ std::list <uint8_t> m_extensionBits2;
+
+};
+
+}; // namespace ns3
+
+#endif // NIST_LTE_RLC_AM_HEADER_H
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