/** wlan_support.ex.c				**//****************************************//*      Copyright (c) 1987 - 1998		*//*            by MIL 3, Inc.           	*//*       (A Delaware Corporation)      	*//*    3400 International Drive, N.W.   	*//*       Washington, D.C., U.S.A.      	*//*       All Rights Reserved.          	*//****************************************//** Include directives.							**/#include <opnet.h>#include <string.h>#include "wlan_support.h"/*  Variables defined for Pooled Memeory allocation.        */static Boolean          pk_dhstruct_pmo_defined = OPC_FALSE; static Pmohandle        wlan_pk_dhstruct_pmh;static Boolean          pk_chstruct_pmo_defined = OPC_FALSE; static Pmohandle        wlan_pk_chstruct_pmh;/* Macro definition for string handling.                            */#define PKPRINT_STRING_INSERT(str, contents, list)                              \	{                                                                           \	str = (char*) op_prg_mem_alloc ((strlen (contents) + 1) * sizeof (char));   \	strcpy (str, contents);                                                     \	op_prg_list_insert (list, str, OPC_LISTPOS_TAIL);                           \	}WlanT_Data_Header_Fields*wlan_mac_pk_dhstruct_create ()    {    WlanT_Data_Header_Fields*          pk_dhstruct_ptr;        /**  Allocate memory for packet field structure and initialize   **/    /**  all components of the data structure. "Pooled" memory is    **/    /**  used to allocate wlan packet fields data structure          **/    /**  allocation block since they are frequently created          **/    /**  and destroyed.                                              **/    FIN (wlan_mac_pk_dhstruct_create ());    /*  If the pooled memory object has not yet been defined, do    */    /*  so now, prior to allocation.                                */    if (pk_dhstruct_pmo_defined == OPC_FALSE)        {        /* Prevent redundant definition.                    */        pk_dhstruct_pmo_defined = OPC_TRUE;        wlan_pk_dhstruct_pmh = op_prg_pmo_define ("wlan packet Data headers fields", sizeof (WlanT_Data_Header_Fields), 1);		/* Initialize the print procedure for the structures.       */		op_pk_format_print_proc_set ("wlan_mac", "Wlan Header", wlan_mac_pk_data_header_pkprint);		        }    pk_dhstruct_ptr = (WlanT_Data_Header_Fields *) op_prg_pmo_alloc (wlan_pk_dhstruct_pmh); 	if (pk_dhstruct_ptr == OPC_NIL)		 {		 op_sim_end ("Error in wlan support code:",					 "Unable to allocate memory for wlan packet fields.",					 OPC_NIL, OPC_NIL);		 } 	 pk_dhstruct_ptr->more_frag = 0; 	 pk_dhstruct_ptr->retry = 0; 	 pk_dhstruct_ptr->order = 0;	 pk_dhstruct_ptr->tods = 0;	 pk_dhstruct_ptr->fromds = 0;	 pk_dhstruct_ptr->duration = 0;			/* Duration for which the channel is contended 					*/	 pk_dhstruct_ptr->address1 = 0; 		/* Destination Address of the final recipient(s) of the frame.	*/	 pk_dhstruct_ptr->address2 = 0; 		/* Source Address from where the frame is originated.			*/	 pk_dhstruct_ptr->address3 = 0; 		/* Receiver Address that identifies the immediated receipient	*/	                                        /* station(s) address.											*/	 pk_dhstruct_ptr->fragment_number = 0;	/* Sequence control field which contains fragment number		*/	 pk_dhstruct_ptr->sequence_number = 0; 	/* Sequence contorl field which contains sequence number		*/	 pk_dhstruct_ptr->address4 = 0; 		/* Transmitter Address of the station that has last transmitted	*/                                        	/* the frame.													*/	     	 FRET (pk_dhstruct_ptr);    }     WlanT_Control_Header_Fields* wlan_mac_pk_chstruct_create ()     {     WlanT_Control_Header_Fields*          pk_chstruct_ptr;          /**  Allocate memory for packet field structure and initialize   **/     /**  all components of the data structure. "Pooled" memory is    **/     /**  used to allocate wlan packet fields data structure          **/     /**  allocation block since they are frequently created          **/     /**  and destroyed.                                              **/     FIN (wlan_mac_pk_chstruct_create ());      /*  If the pooled memory object has not yet been defined, do    */     /*  so now, prior to allocation.                                */     if (pk_chstruct_pmo_defined == OPC_FALSE)         {         /* Prevent redundant definition.                    */         pk_chstruct_pmo_defined = OPC_TRUE;          wlan_pk_chstruct_pmh = op_prg_pmo_define ("wlan packet control header fields", sizeof (WlanT_Control_Header_Fields), 1); 		/* Initialize the print procedure for the structures.       */		op_pk_format_print_proc_set ("wlan_control", "Wlan Header", wlan_mac_pk_control_header_pkprint);		         }      pk_chstruct_ptr = (WlanT_Control_Header_Fields *) op_prg_pmo_alloc (wlan_pk_chstruct_pmh);  	if (pk_chstruct_ptr == OPC_NIL) 		 { 		 op_sim_end ("Error in wlan support code:", 					 "Unable to allocate memory for wlan packet fields.", 					 OPC_NIL, OPC_NIL); 		 }      /*  Initialize all fields of the packet fields data structure   */ 	 pk_chstruct_ptr->more_frag = 0; 	 pk_chstruct_ptr->retry = 0; 	 pk_chstruct_ptr->order = 0;	 pk_chstruct_ptr->tods = 0;	 pk_chstruct_ptr->fromds = 0;	 pk_chstruct_ptr->duration = 0;		/* Duration for which the channel is contended 					*/	 pk_chstruct_ptr->rx_addr = 0; 		/* Destination Address of the final recipient(s) of the frame.	*/	 pk_chstruct_ptr->tx_addr = 0; 		/* Source Address from where the frame is originated.			*/	     FRET (pk_chstruct_ptr);     }     WlanT_Data_Header_Fields*wlan_mac_pk_dhstruct_copy (WlanT_Data_Header_Fields* pk_dh_ptr)    {    WlanT_Data_Header_Fields*  copy_pk_dh_ptr;     /**  Copy the packet field structure.    **/    FIN (wlan_mac_pk_dhstruct_copy (pk_dh_ptr));     /*  Allocate memeory for packet field structure and */    /*  copy it.                                        */    copy_pk_dh_ptr = (WlanT_Data_Header_Fields *) op_prg_pmo_alloc (wlan_pk_dhstruct_pmh); 	if (copy_pk_dh_ptr == OPC_NIL)		 {		 op_sim_end ("Error in wlan support code:",					 "Unable to allocate memory for copying wlan packet fields.",					 OPC_NIL, OPC_NIL);		 } 	/* Copy frame control fields*/    op_prg_mem_copy (pk_dh_ptr, copy_pk_dh_ptr, sizeof(WlanT_Data_Header_Fields));     FRET (copy_pk_dh_ptr);    }  WlanT_Control_Header_Fields* wlan_mac_pk_chstruct_copy (WlanT_Control_Header_Fields* pk_ch_ptr)     {     WlanT_Control_Header_Fields*  copy_pk_ch_ptr;       /**  Copy the packet field structure.    **/     FIN (wlan_mac_pk_chstruct_copy (pk_ch_ptr));       /*  Allocate memeory for packet field structure and */     /*  copy it.                                        */     copy_pk_ch_ptr = (WlanT_Control_Header_Fields *) op_prg_pmo_alloc (wlan_pk_chstruct_pmh);  	if (copy_pk_ch_ptr == OPC_NIL) 		 { 		 op_sim_end ("Error in wlan support code:", 					 "Unable to allocate memory for copying wlan packet fields.", 					 OPC_NIL, OPC_NIL); 		 } 	/* Copy sequence control fields				*/     op_prg_mem_copy (pk_ch_ptr, copy_pk_ch_ptr, sizeof(WlanT_Control_Header_Fields));       FRET (copy_pk_ch_ptr);     }   voidwlan_mac_pk_dhstruct_destroy (WlanT_Data_Header_Fields* pk_dhstruct_ptr)    {    /**  Deallocate the packet structure memory.     **/    FIN (wlan_mac_pk_dhstruct_destroy (pk_dhstruct_ptr));     	/* Destroy frame control field structure         */    op_prg_mem_free (pk_dhstruct_ptr);        FOUT;    }  void wlan_mac_pk_chstruct_destroy (WlanT_Control_Header_Fields* pk_chstruct_ptr)     {     /*  Deallocate the packet structure memory.     */     FIN (wlan_mac_pk_chstruct_destroy (pk_chstruct_ptr)); 	 	/* Destroy frame control field structure         */         op_prg_mem_free (pk_chstruct_ptr);          FOUT;     } 							 voidwlan_mac_pk_data_header_pkprint (void* structure_ptr, PrgT_List* output_list)	{	char		temp_str[128];	char*		alloc_str;	WlanT_Data_Header_Fields* pk_dh_ptr;	/** Called as part of a packet print, this procedure will	**/	/** place the contents of the "fields" structure into a		**/	/** printed list.											**/	FIN (wlan_mac_pk_data_header_pkprint (structure_ptr, output_list));    pk_dh_ptr = (WlanT_Data_Header_Fields *) structure_ptr;	sprintf(temp_str, "      more_frag           int         %-16d(1)", pk_dh_ptr->more_frag);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      retry               int         %-16d(1)", pk_dh_ptr->retry);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      order               int         %-16d(1)", pk_dh_ptr->order);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      tods               int         %-16d(1)", pk_dh_ptr->tods);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      fromds               int         %-16d(1)", pk_dh_ptr->fromds);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      duration            double         %-16.6f(16)", pk_dh_ptr->duration);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      address1            int         %-16d(48)", pk_dh_ptr->address1);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      address2            int       %-16d(48)", pk_dh_ptr->address2);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      address3            int       %-16d(48)", pk_dh_ptr->address3);		PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      fragment_number     int       %-16d(32)", pk_dh_ptr->fragment_number);		PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      sequence_number     int       %-16d(96)", pk_dh_ptr->sequence_number);		PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      address4            int       %-16d(48)", pk_dh_ptr->address4);		PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)					FOUT;	}voidwlan_mac_pk_control_header_pkprint (void* structure_ptr, PrgT_List* output_list)	{	char		temp_str[128];	char*		alloc_str;	WlanT_Control_Header_Fields* pk_ch_ptr;	/** Called as part of a packet print, this procedure will	**/	/** place the contents of the "fields" structure into a		**/	/** printed list.											**/	FIN (wlan_mac_pk_control_header_pkprint (structure_ptr, output_list));	pk_ch_ptr = (WlanT_Control_Header_Fields* ) structure_ptr;	sprintf(temp_str, "      more_frag           int         %-16d(1)", pk_ch_ptr->more_frag);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      retry               int         %-16d(1)", pk_ch_ptr->retry);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      order               int         %-16d(1)", pk_ch_ptr->order);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      duration            double         %-16.6f(16)", pk_ch_ptr->duration);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "     rx_addr              int         %-16d(48)", pk_ch_ptr->rx_addr);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)	sprintf(temp_str, "      tx_addr             int       %-16d(48)", pk_ch_ptr->tx_addr);	PKPRINT_STRING_INSERT (alloc_str, temp_str, output_list)			FOUT;	}