/* * GloMoSim is COPYRIGHTED software.  Release 2.02 of GloMoSim is available  * at no cost to educational users only. * * Commercial use of this software requires a separate license.  No cost, * evaluation licenses are available for such purposes; please contact * info@scalable-networks.com * * By obtaining copies of this and any other files that comprise GloMoSim2.02, * you, the Licensee, agree to abide by the following conditions and * understandings with respect to the copyrighted software: * * 1.Permission to use, copy, and modify this software and its documentation *   for education and non-commercial research purposes only is hereby granted *   to Licensee, provided that the copyright notice, the original author's *   names and unit identification, and this permission notice appear on all *   such copies, and that no charge be made for such copies. Any entity *   desiring permission to use this software for any commercial or *   non-educational research purposes should contact:  * *   Professor Rajive Bagrodia  *   University of California, Los Angeles  *   Department of Computer Science  *   Box 951596  *   3532 Boelter Hall  *   Los Angeles, CA 90095-1596  *   rajive@cs.ucla.edu * * 2.NO REPRESENTATIONS ARE MADE ABOUT THE SUITABILITY OF THE SOFTWARE FOR ANY *   PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY. * * 3.Neither the software developers, the Parallel Computing Lab, UCLA, or any *   affiliate of the UC system shall be liable for any damages suffered by *   Licensee from the use of this software. */// Use the latest version of Parsec if this line causes a compiler error./* * $Id: maca.h,v 1.13 2000/10/20 16:55:59 jmartin Exp $ */#ifndef _MACA_H_#define _MACA_H_#include "main.h"#include "message.h"#include "fileio.h"#include "mac.h"#define MACA_EXTRA_DELAY 100/* This vacation only applies to broadcasted packets. */#define MACA_VACATION   100#define MACA_BO_MIN     (20 * MICRO_SECOND)#define MACA_BO_MAX     (16 * MACA_BO_MIN)typedef enum{    MACA_RTS,    MACA_CTS,    MACA_UNICAST,    MACA_BROADCAST} MacaFrameType;typedef enum{    MACA_S_PASSIVE,    MACA_S_RTS,    MACA_S_BACKOFF,    MACA_S_REMOTE,    MACA_S_XMIT,    MACA_S_YIELD,    MACA_S_IN_XMITING_RTS,    MACA_S_IN_XMITING_CTS,    MACA_S_IN_XMITING_UNICAST,    MACA_S_IN_XMITING_BROADCAST} MacaStateType;#define MACA_TIMER_SWITCH       0x1     /* bit 0000 0001 is used for ON/OFF*/ #define MACA_TIMER_ON           0x1#define MACA_TIMER_OFF          0x0#define MACA_TIMER_TYPE 0xE     /* bit 0000 1110 is used for Timer type */#define MACA_T_RTS      0x0     /* bit 0000 0000 */#define MACA_T_BACKOFF  0x2     /* bit 0000 0010 */#define MACA_T_XMIT     0x4     /* bit 0000 0100 */#define MACA_T_REMOTE   0x6     /* bit 0000 0110 */#define MACA_T_YIELD    0x8     /* bit 0000 1000 */#define MACA_T_UNDEFINED 0xE    /* bit 0000 1110 */ typedef struct _maca_timer {    int            seq;    unsigned char   flag;} MacaTimer;typedef struct maca_header_str {    NODE_ADDR sourceAddr;    NODE_ADDR destAddr;    int payloadSize;    int frameType;  /* RTS, CTS, MAC_DATA */    int priority;} MacaHeader;typedef struct glomo_mac_maca_str {    GlomoMac* myGlomoMac;    int state;             int BOmin;          /* minimum backoff */    int BOmax;          /* maximum backoff */    int BOtimes;        /* how many times has it backed off? */    MacaTimer timer;    int payloadSizeExpected;    int pktsToSend;    int pktsLostOverflow;    int pktsSentUnicast;    int pktsSentBroadcast;    int pktsGotUnicast;    int pktsGotBroadcast;    int RtsPacketSent;    int CtsPacketSent;    int RtsPacketGot;    int CtsPacketGot;    int NoisyPacketGot;    NetworkQueueingPriorityType currentPriority;} GlomoMacMaca;/* * FUNCTION    MacMacaLayer. * PURPOSE     Models the behaviour of the MAC layer with the MACA protocol *             on receiving the message enclosed in msg. * * Parameters: *     node:     node which received the message. *     msg:      message received by the layer. */void MacMacaLayer(   GlomoNode *node, int InterfaceIndex, Message *msg);/* * FUNCTION    MacMacaInit. * PURPOSE     Initialization function for Maca protocol of MAC layer. * * Parameters: *     node:      node being initialized. *     nodeInput: structure containing contents of input file. */void MacMacaInit(   GlomoNode *node, int interfaceIndex, const GlomoNodeInput *nodeInput);/* * FUNCTION    MacMacaFinalize. * PURPOSE     Called at the end of simulation to collect the results of *             the simulation of MACA protocol of the MAC Layer. * * Parameter: *     node:     node for which results are to be collected. */void MacMacaFinalize(GlomoNode *node, int interfaceIndex);/* * FUNCTION    MacMacaNetworkLayerHasPacketToSend. * PURPOSE     For notifying MACA that a new packet at the network layer *             is ready to be sent. */void MacMacaNetworkLayerHasPacketToSend(GlomoNode* node, GlomoMacMaca* maca);void MacMacaReceivePacketFromRadio(    GlomoNode* node, GlomoMacMaca* maca, Message* msg);        void MacMacaReceiveRadioStatusChangeNotification(   GlomoNode* node,   GlomoMacMaca* maca,   RadioStatusType oldRadioStatus,   RadioStatusType newRadioStatus);#endif