aodv_app_manager.pr.c

利用opnet对AODV过程进行编码

/* Process model C form file: aodv_app_manager.pr.c */
/* Portions of this file copyright 1992-2000 by OPNET Technologies, Inc. */



/* This variable carries the header into the object file */
static const char aodv_app_manager_pr_c [] = "MIL_3_Tfile_Hdr_ 70B 30A opnet 7 3B545F74 3B545F74 1 manet.antd.nist.gov guemari 0 0 none none 0 0 none 0 0 0 0 0 0                                                                                                                                                                                                                                                                                                                                                                                                            ";
#include <string.h>



/* OPNET system definitions */
#include <opnet.h>

#if defined (__cplusplus)
extern "C" {
#endif
FSM_EXT_DECS
#if defined (__cplusplus)
} /* end of 'extern "C"' */
#endif


/* Header Block */

#define TX_OUT_STRM 0
#define SRC_IN_STRM 0
#define RX_IN_STRM 1
#define RX_OUT_STRM 1

/* packet types definition */
#define DATA_PACKET_TYPE 5
#define REQUEST_PACKET_TYPE 7
#define REPLY_PACKET_TYPE 11
#define ERROR_PACKET_TYPE 13

/* transition macro */
#define SRC_ARVL ( op_intrpt_type () == OPC_INTRPT_STRM && op_intrpt_strm() == SRC_IN_STRM)
#define RCV_ARVL ( op_intrpt_type () == OPC_INTRPT_STRM && op_intrpt_strm() == RX_IN_STRM)

/* interlocutor values */
#define NONE -2
#define RANDOM -1
/* Global variable */
int num_nodes;

/* End of Header Block */


#if !defined (VOSD_NO_FIN)
#undef	BIN
#undef	BOUT
#define	BIN		FIN_LOCAL_FIELD(last_line_passed) = __LINE__ - _block_origin;
#define	BOUT	BIN
#define	BINIT	FIN_LOCAL_FIELD(last_line_passed) = 0; _block_origin = __LINE__;
#else
#define	BINIT
#endif /* #if !defined (VOSD_NO_FIN) */



/* State variable definitions */
typedef struct
	{
	/* Internal state tracking for FSM */
	FSM_SYS_STATE
	/* State Variables */
	int	                    		DEBUG;
	int	                    		node_addr;
	int	                    		node_id;
	int	                    		INTERLOCUTOR;
	int	                    		GRAT_RATIO;
	Distribution *	         		grat_dist;
	Distribution *	         		address_dist;
	} aodv_app_manager_state;

#define pr_state_ptr            		((aodv_app_manager_state*) SimI_Mod_State_Ptr)
#define DEBUG                   		pr_state_ptr->DEBUG
#define node_addr               		pr_state_ptr->node_addr
#define node_id                 		pr_state_ptr->node_id
#define INTERLOCUTOR            		pr_state_ptr->INTERLOCUTOR
#define GRAT_RATIO              		pr_state_ptr->GRAT_RATIO
#define grat_dist               		pr_state_ptr->grat_dist
#define address_dist            		pr_state_ptr->address_dist

/* This macro definition will define a local variable called	*/
/* "op_sv_ptr" in each function containing a FIN statement.	*/
/* This variable points to the state variable data structure,	*/
/* and can be used from a C debugger to display their values.	*/
#undef FIN_PREAMBLE
#define FIN_PREAMBLE	aodv_app_manager_state *op_sv_ptr = pr_state_ptr;


/* No Function Block */

enum { _block_origin = __LINE__ };

#if defined (__cplusplus)
extern "C" {
#endif
	void aodv_app_manager (void);
	Compcode aodv_app_manager_init (void **);
	void aodv_app_manager_diag (void);
	void aodv_app_manager_terminate (void);
	void aodv_app_manager_svar (void *, const char *, char **);
#if defined (__cplusplus)
} /* end of 'extern "C"' */
#endif




/* Process model interrupt handling procedure */


void
aodv_app_manager (void)
	{
	int _block_origin = 0;
	FIN (aodv_app_manager ());
	if (1)
		{
		/* Packet reception */
		int pk_type;
		/* Packet Transmission */
		Packet *pkptr;
		int dest,grat_outcome, g_flag;
		
		


		FSM_ENTER (aodv_app_manager)

		FSM_BLOCK_SWITCH
			{
			/*---------------------------------------------------------*/
			/** state (init) enter executives **/
			FSM_STATE_ENTER_FORCED_NOLABEL (0, "init", "aodv_app_manager () [init enter execs]")
				{
				/* Load network parameters */
				node_id = op_topo_parent (op_id_self());
				op_ima_obj_attr_get(node_id,"wlan_mac.station_address",&node_addr);
				op_ima_obj_attr_get(op_id_self(),"Interlocutor",&INTERLOCUTOR);
				op_ima_obj_attr_get(node_id,"DEBUG",&DEBUG);
				op_ima_obj_attr_get(op_id_self(),"GRAT_RATIO",&GRAT_RATIO);
				num_nodes = op_topo_object_count (OPC_OBJTYPE_NDMOB);  
				address_dist = op_dist_load ("uniform_int", 0, (num_nodes-1));
				grat_dist = op_dist_load ("uniform_int", 0,99);
				
				
				}


			/** state (init) exit executives **/
			FSM_STATE_EXIT_FORCED (0, "init", "aodv_app_manager () [init exit execs]")
				{
				}


			/** state (init) transition processing **/
			FSM_TRANSIT_FORCE (1, state1_enter_exec, ;, "default", "", "init", "idle")
				/*---------------------------------------------------------*/



			/** state (idle) enter executives **/
			FSM_STATE_ENTER_UNFORCED (1, state1_enter_exec, "idle", "aodv_app_manager () [idle enter execs]")
				{
				
				}


			/** blocking after enter executives of unforced state. **/
			FSM_EXIT (3,aodv_app_manager)


			/** state (idle) exit executives **/
			FSM_STATE_EXIT_UNFORCED (1, "idle", "aodv_app_manager () [idle exit execs]")
				{
				}


			/** state (idle) transition processing **/
			FSM_INIT_COND (RCV_ARVL)
			FSM_TEST_COND (SRC_ARVL)
			FSM_DFLT_COND
			FSM_TEST_LOGIC ("idle")

			FSM_TRANSIT_SWITCH
				{
				FSM_CASE_TRANSIT (0, 2, state2_enter_exec, ;, "RCV_ARVL", "", "idle", "rx")
				FSM_CASE_TRANSIT (1, 3, state3_enter_exec, ;, "SRC_ARVL", "", "idle", "tx")
				FSM_CASE_TRANSIT (2, 1, state1_enter_exec, ;, "default", "", "idle", "idle")
				}
				/*---------------------------------------------------------*/



			/** state (rx) enter executives **/
			FSM_STATE_ENTER_FORCED (2, state2_enter_exec, "rx", "aodv_app_manager () [rx enter execs]")
				{
				// Read packet from upcoming stream
				pkptr = op_pk_get (RX_IN_STRM);
				
				// Eventually count the number of received packets 
				// Hand over the packet to the upper layer
				op_pk_nfd_get(pkptr, "Type", &pk_type);
					if (pk_type == DATA_PACKET_TYPE)
						{
						if(DEBUG> 3) printf("<node %d @ app manager>: a data packet has been forwarded to the app_sink.\n", node_addr);
						op_pk_send (pkptr, RX_OUT_STRM);
						}
					
				}


			/** state (rx) exit executives **/
			FSM_STATE_EXIT_FORCED (2, "rx", "aodv_app_manager () [rx exit execs]")
				{
				}


			/** state (rx) transition processing **/
			FSM_TRANSIT_FORCE (1, state1_enter_exec, ;, "default", "", "rx", "idle")
				/*---------------------------------------------------------*/



			/** state (tx) enter executives **/
			FSM_STATE_ENTER_FORCED (3, state3_enter_exec, "tx", "aodv_app_manager () [tx enter execs]")
				{
				if(INTERLOCUTOR != NONE) 
					{
					if(DEBUG> 4) printf("<node %d @ app manager>: a new data packet has been generated.\n", node_addr);
					pkptr = op_pk_get (SRC_IN_STRM);
					if(INTERLOCUTOR != RANDOM)
						{
						// node is in mono-interlocutor mode
						// the value of Interlocutor must be a
						// valid node address
						dest = INTERLOCUTOR;
						}
					else
						{
						// compute randomly a dest and set DEST field 
						dest = (int)op_dist_outcome (address_dist);
						while (node_addr == dest)
							{
							address_dist = op_dist_load ("uniform_int", 0, (num_nodes-1));
							dest = (int)op_dist_outcome (address_dist);
							}
						}	
					if(DEBUG> 4) printf("	Destination is %d\n", dest);
					
					// determine whether GRATUITOUS request or not 
					g_flag =0;
					grat_outcome = (int) op_dist_outcome (grat_dist);
					if(grat_outcome < GRAT_RATIO)
							g_flag = 1;
				
					// format the packet fields 
					op_pk_nfd_set(pkptr,"SRC",node_addr);
					op_pk_nfd_set(pkptr,"DEST", dest);
					op_pk_nfd_set(pkptr,"G", g_flag);
					
					// Send packet to lower layer
					op_pk_send (pkptr,TX_OUT_STRM);
					}	
				}


			/** state (tx) exit executives **/
			FSM_STATE_EXIT_FORCED (3, "tx", "aodv_app_manager () [tx exit execs]")
				{
				}


			/** state (tx) transition processing **/
			FSM_TRANSIT_FORCE (1, state1_enter_exec, ;, "default", "", "tx", "idle")
				/*---------------------------------------------------------*/



			}


		FSM_EXIT (0,aodv_app_manager)
		}
	}

#if defined (__cplusplus)
	extern "C" { 
#endif
	extern VosT_Fun_Status Vos_Catmem_Register (const char * , int , VosT_Void_Null_Proc, VosT_Address *);
	extern VosT_Address Vos_Catmem_Alloc (VosT_Address, size_t);
	extern VosT_Fun_Status Vos_Catmem_Dealloc (VosT_Address);
#if defined (__cplusplus)
	}
#endif


Compcode
aodv_app_manager_init (void ** gen_state_pptr)
	{
	int _block_origin = 0;
	static VosT_Address	obtype = OPC_NIL;

	FIN (aodv_app_manager_init (gen_state_pptr))

	if (obtype == OPC_NIL)
		{
		/* Initialize memory management */
		if (Vos_Catmem_Register ("proc state vars (aodv_app_manager)",
			sizeof (aodv_app_manager_state), Vos_Vnop, &obtype) == VOSC_FAILURE)
			{
			FRET (OPC_COMPCODE_FAILURE)
			}
		}

	*gen_state_pptr = Vos_Catmem_Alloc (obtype, 1);
	if (*gen_state_pptr == OPC_NIL)
		{
		FRET (OPC_COMPCODE_FAILURE)
		}
	else
		{
		/* Initialize FSM handling */
		((aodv_app_manager_state *)(*gen_state_pptr))->current_block = 0;

		FRET (OPC_COMPCODE_SUCCESS)
		}
	}



void
aodv_app_manager_diag (void)
	{
	/* No Diagnostic Block */
	}




void
aodv_app_manager_terminate (void)
	{
	int _block_origin = __LINE__;

	FIN (aodv_app_manager_terminate (void))

	if (1)
		{
		/* Packet reception */
		int pk_type;
		/* Packet Transmission */
		Packet *pkptr;
		int dest,grat_outcome, g_flag;
		
		

		/* No Termination Block */

		}
	Vos_Catmem_Dealloc (pr_state_ptr);

	FOUT;
	}


/* Undefine shortcuts to state variables to avoid */
/* syntax error in direct access to fields of */
/* local variable prs_ptr in aodv_app_manager_svar function. */
#undef DEBUG
#undef node_addr
#undef node_id
#undef INTERLOCUTOR
#undef GRAT_RATIO
#undef grat_dist
#undef address_dist



void
aodv_app_manager_svar (void * gen_ptr, const char * var_name, char ** var_p_ptr)
	{
	aodv_app_manager_state		*prs_ptr;

	FIN (aodv_app_manager_svar (gen_ptr, var_name, var_p_ptr))

	if (var_name == OPC_NIL)
		{
		*var_p_ptr = (char *)OPC_NIL;
		FOUT;
		}
	prs_ptr = (aodv_app_manager_state *)gen_ptr;

	if (strcmp ("DEBUG" , var_name) == 0)
		{
		*var_p_ptr = (char *) (&prs_ptr->DEBUG);
		FOUT;
		}
	if (strcmp ("node_addr" , var_name) == 0)
		{
		*var_p_ptr = (char *) (&prs_ptr->node_addr);
		FOUT;
		}
	if (strcmp ("node_id" , var_name) == 0)
		{
		*var_p_ptr = (char *) (&prs_ptr->node_id);
		FOUT;
		}
	if (strcmp ("INTERLOCUTOR" , var_name) == 0)
		{
		*var_p_ptr = (char *) (&prs_ptr->INTERLOCUTOR);
		FOUT;
		}
	if (strcmp ("GRAT_RATIO" , var_name) == 0)
		{
		*var_p_ptr = (char *) (&prs_ptr->GRAT_RATIO);
		FOUT;
		}
	if (strcmp ("grat_dist" , var_name) == 0)
		{
		*var_p_ptr = (char *) (&prs_ptr->grat_dist);
		FOUT;
		}
	if (strcmp ("address_dist" , var_name) == 0)
		{
		*var_p_ptr = (char *) (&prs_ptr->address_dist);
		FOUT;
		}
	*var_p_ptr = (char *)OPC_NIL;

	FOUT;
	}