model.rar_802.15.7_802.15.7协议_underwater acoustic_可见光_可见光通信

/* * lifi-mac-pib-attributes.h * * Created on: 2014年3月30日 * Author: will */ #ifndef LIFI_MAC_PIB_ATTRIBUTES_H_ #define LIFI_MAC_PIB_ATTRIBUTES_H_ #include <map> #include "ns3/core-module.h" #include "lifi-pib-attributes.h" #include "lifi-mac-general.h" //#include "lifi-mac-coord-impl.h" //#include "lifi-mac-dev-impl.h" namespace ns3 { /** * This is the base class of medium access control entity of both coordinator and * device. */ class LifiMacPibAttribute : public LifiPIBAttribute { friend class LifiMacImpl; friend class LifiMacCoordImpl; friend class LifiMacDevImpl; friend class LifiChannelScanHandler; friend class LifiAssocHandler; friend class LifiDevAssocHandler; friend class LifiTrxHandler; friend class LifiCoordTrxHandler; friend class LifiDevTrxHandler; friend class LifiTransactionHandler; public: LifiMacPibAttribute(); virtual ~LifiMacPibAttribute(); void* GetAttributes (MacPIBAttributeId id) { std::map<uint8_t, void*>::iterator it = m_attributes.find((uint8_t)id); NS_ASSERT (it != m_attributes.end()); return it->second; } void SetAttributes (MacPIBAttributeId id, void* value); void Reset (); private: /** * The maximum number of optical clocks to wait for an acknowledgment frame to * arrive following a transmitted data frame. This value is dependent on the * supported PHY, which determines both the selected logical channel. The calculated * value is the time to commence transmitting the ACK plus the length of the ACK frame. * The commencement time is described in 5.1.7.4.2. */ uint32_t macAckWaitDuration; /** * Indication of whether the device is associated to the VPAN through the coordinator. * A value of TRUE indicates the device has associated through the coordinator. Otherwise, * the value is set to FALSE. */ bool macAssociatedVPANCoord; /** * Indication of whether a coordinator is currently allowing association. A value of TRUE * indicates that association is permitted. */ bool macAssociationPermit; /** * Indication of whether a device automatically sends a data request command if its address * is listed in the beacon frame. A value of TRUE indicates that the data request command * is automatically sent. This attribute also affects the generation of the * MLME-BEACON-NOTIFY.indication primitive (see 6.3.3.1.1). */ bool macAutoRequest; /** * Specification of how often the coordinator transmits its beacon. If BO= 15, the coordinator * will not transmit a periodic beacon. Refer to 5.1.1.1 for an explanation of the relationship * between the beacon order and the beacon interval. Range:0–15 */ uint32_t macBeaconOrder; /** * The contents of the beacon payload. */ Buffer macBeaconPayload; /** * The length, in octets, of the beacon payload.Range:0 –aMaxBeaconPayloadLength */ uint32_t macBeaconPayloadLength; /** * The time that the device transmitted its last beacon frame, in symbol periods. The * measurement shall be taken at the same symbol boundary within every transmitted * beacon frame, the location of which is implementation specific. This is a 24-bit value, * and the precision of this value shall be a minimum of 20 bits, with the lowest four bits * being the least significant. Range:0x000000–0xffffff */ uint32_t macBeaconTxTime; /** * The sequence number added to the transmitted beacon frame. */ uint8_t macBSN; /* * The 64-bit address of the coordinator through which the device is associated. * */ Mac64Address macCoordExtendedAddress; /** * The 16-bit short address assigned to the coordinator through which the device is * associated. A value of 0xfffe indicates that the coordinator is only using its * 64-bit extended address. A value of 0xffff indicates that this value is unknown. * Range:0x0000–0xffff */ Mac16Address macCoordShortAddress; /** * The sequence number added to the transmitted data or MAC command frame. */ uint32_t macDSN; /** * TRUE if the coordinator is to accept GTS requests. FALSE otherwise. */ bool macGTSPermit; /** * A timer initiated when the link recovery procedure is triggered. If the timer expires * while the device has not received any fast link recovery response (FLR RSP) signal since * the fast link recovery procedure is triggered, the device assumes that the link is broken * and cannot be recovered. The range for macLinkTimeOut is defined in terms of the number * of superframes.Range:0-255 */ uint32_t macLinkTimeOut; /** * The maximum value of the backoff exponent, BE, in the unslotted random access algorithm. * Refer to 5.1.1.3 for a detailed explanation of the backoff exponent.Range:3–15 */ uint32_t macMaxBE; /** * The maximum number of backoffs the unslotted random access algorithm will attempt before * declaring a channel access failure.Range:0-5 */ uint32_t macMaxCSMABackoffs; /** * The maximum number of retries allowed after a transmission failure.Range:0–7 */ uint32_t macMaxFrameRetries; /** * The maximum number of optical clocks in a beacon-enabled VPAN, or in a non-beacon-enabled * VPAN, to wait either for a frame intended as a response to a data request frame or for a * broadcast frame following a beacon with the frame pending subfield set to one. This attribute, * which shall only be set by the next higher layer, is dependent upon macMinBE, macMaxBE, * macMaxCSMABackoffs and the number of optical clocks per octet. Refer to 6.4.2 for the formula * relating the attributes.Range:Refer to Equation (2) */ uint32_t macMaxFrameTotalWaitTime; /** * The minimum value of the backoff exponent (BE) in the unslotted random access algorithm. Refer * to 5.1.1.3 for a detailed explanation of the backoff exponent. Range: 0–macMaxBE */ uint32_t macMinBE; /** * The minimum number of optical clocks forming a LIFS period.Range:As defined in Table 77 in * 8.3.4 */ uint32_t macMinLIFSPeriod; /** * The minimum number of optical clocks forming a SIFS period. Range: As defined in Table 77 in * 8.3.4 */ uint32_t macMinSIFSPeriod; /** * Maximum number of times not receiving ACKs to trigger fast link recovery procedure. Range: 0–15 */ uint32_t macNumAcks; /** * The maximum time, in multiples of aBaseSuperframeDuration, a device shall wait for a response * command frame to be available following a request command frame. */ uint32_t macResponseWaitTime; /** * Indication of whether the MAC sublayer is to enable its receiver during idle periods. For a * beacon-enabled VPAN, this attribute is relevant only during the CAP of the incoming superframe. * For a non-beacon-enabled VPAN, this attribute is relevant at all times. */ bool macRxOnWhenIdle; /** * The 16-bit address that the device uses to communicate in the VPAN. If the device is the coordinator, * this value shall be chosen before a VPAN is started. Otherwise, the address is allocated by a coordinator * during association. A value of 0xfffe indicates that the device has associated but has not been * allocated an address. A value of 0xffff indicates that the device does not have a short address. * Range: 0x0000–0xffff */ uint16_t macShortAddress; /** * The length of the active portion of the outgoing superframe, including the beacon frame. If superframe * order, SO, = 15, the superframe will not be active following the beacon. Refer to 5.1.1.1 for * an explanation of the relationship between the superframe order and the superframe duration. * Range: 0–15 */ uint32_t macSuperframeOrder; /** * The location of the time stamp after the end of the preamble in optical clocks. */ unsigned char macTimeStampOffset; /** * Indication of whether the MAC sublayer supports the optional time stamping feature for * incoming and outgoing data frames. */ bool macTimestampSupported; /** * The maximum time (in unit periods) that a transaction is